From 260b39ebf299e2dd126bc26945126824bc1f3bdb Mon Sep 17 00:00:00 2001
From: "Joshua M. Boniface" <joshua@boniface.me>
Date: Sat, 7 Nov 2020 14:45:24 -0500
Subject: [PATCH] Lint: E302 expected 2 blank lines, found X

---
 api-daemon/pvcapid/benchmark.py               |   6 +
 api-daemon/pvcapid/flaskapi.py                |  62 ++++++++
 api-daemon/pvcapid/helper.py                  |  66 ++++++++
 api-daemon/pvcapid/models.py                  |  11 ++
 api-daemon/pvcapid/ova.py                     |   6 +
 api-daemon/pvcapid/provisioner.py             |  37 +++++
 client-cli/cli_lib/ansiprint.py               |  16 ++
 client-cli/cli_lib/ceph.py                    |  57 +++++--
 client-cli/cli_lib/cluster.py                 |   4 +
 client-cli/cli_lib/common.py                  |   5 +
 client-cli/cli_lib/network.py                 |  20 +++
 client-cli/cli_lib/node.py                    |   7 +
 client-cli/cli_lib/provisioner.py             |  39 +++++
 client-cli/cli_lib/vm.py                      |  13 ++
 client-cli/cli_lib/zkhandler.py               |   7 +
 client-cli/pvc.py                             | 144 ++++++++++++++++++
 daemon-common/ceph.py                         |  59 +++++--
 daemon-common/cluster.py                      |   3 +
 daemon-common/common.py                       |  23 +++
 daemon-common/network.py                      |  23 +++
 daemon-common/node.py                         |   7 +
 daemon-common/vm.py                           |  24 +++
 daemon-common/zkhandler.py                    |  10 ++
 node-daemon/pvcnoded/CephInstance.py          |   7 +
 node-daemon/pvcnoded/DNSAggregatorInstance.py |   3 +
 node-daemon/pvcnoded/Daemon.py                |  13 ++
 node-daemon/pvcnoded/MetadataAPIInstance.py   |   1 +
 node-daemon/pvcnoded/NodeInstance.py          |   1 +
 .../pvcnoded/VMConsoleWatcherInstance.py      |   1 +
 node-daemon/pvcnoded/VMInstance.py            |   3 +
 node-daemon/pvcnoded/VXNetworkInstance.py     |   1 +
 node-daemon/pvcnoded/common.py                |  12 ++
 .../pvcnoded/dnsmasq-zookeeper-leases.py      |   9 ++
 node-daemon/pvcnoded/fencing.py               |   4 +
 node-daemon/pvcnoded/log.py                   |   1 +
 node-daemon/pvcnoded/zkhandler.py             |   8 +
 36 files changed, 694 insertions(+), 19 deletions(-)

diff --git a/api-daemon/pvcapid/benchmark.py b/api-daemon/pvcapid/benchmark.py
index 0a5b28d8..f822e99e 100755
--- a/api-daemon/pvcapid/benchmark.py
+++ b/api-daemon/pvcapid/benchmark.py
@@ -30,6 +30,7 @@ import daemon_lib.ceph as pvc_ceph
 
 config = None  # Set in this namespace by flaskapi
 
+
 def strtobool(stringv):
     if stringv is None:
         return False
@@ -40,6 +41,7 @@ def strtobool(stringv):
     except Exception:
         return False
 
+
 #
 # Exceptions (used by Celery tasks)
 #
@@ -66,6 +68,7 @@ class BenchmarkError(Exception):
 # Common functions
 #
 
+
 # Database connections
 def open_database(config):
     conn = psycopg2.connect(
@@ -78,12 +81,14 @@ def open_database(config):
     cur = conn.cursor(cursor_factory=psycopg2.extras.RealDictCursor)
     return conn, cur
 
+
 def close_database(conn, cur, failed=False):
     if not failed:
         conn.commit()
     cur.close()
     conn.close()
 
+
 def list_benchmarks(job=None):
     if job is not None:
         query = "SELECT * FROM {} WHERE job = %s;".format('storage_benchmarks')
@@ -109,6 +114,7 @@ def list_benchmarks(job=None):
     else:
         return {'message': 'No benchmark found.'}, 404
 
+
 def run_benchmark(self, pool):
     # Runtime imports
     import time
diff --git a/api-daemon/pvcapid/flaskapi.py b/api-daemon/pvcapid/flaskapi.py
index ad4c4cc5..41df23de 100755
--- a/api-daemon/pvcapid/flaskapi.py
+++ b/api-daemon/pvcapid/flaskapi.py
@@ -38,6 +38,7 @@ from flask_sqlalchemy import SQLAlchemy
 
 API_VERSION = 1.0
 
+
 def strtobool(stringv):
     if stringv is None:
         return False
@@ -137,6 +138,7 @@ app.register_blueprint(blueprint)
 celery = Celery(app.name, broker=app.config['CELERY_BROKER_URL'])
 celery.conf.update(app.config)
 
+
 #
 # Custom decorators
 #
@@ -168,6 +170,7 @@ class RequestParser(object):
             return function(*args, **kwargs)
         return wrapped_function
 
+
 # Authentication decorator function
 def Authenticator(function):
     @wraps(function)
@@ -196,6 +199,7 @@ def Authenticator(function):
 def create_vm(self, vm_name, profile_name, define_vm=True, start_vm=True, script_run_args=[]):
     return api_provisioner.create_vm(self, vm_name, profile_name, define_vm=define_vm, start_vm=start_vm, script_run_args=script_run_args)
 
+
 @celery.task(bind=True)
 def run_benchmark(self, pool):
     return api_benchmark.run_benchmark(self, pool)
@@ -230,6 +234,7 @@ class API_Root(Resource):
 
 api.add_resource(API_Root, '/')
 
+
 # /doc - NOTE: Until flask_swagger is packaged for Debian this must be disabled
 # class API_Doc(Resource):
 #     def get(self):
@@ -251,6 +256,7 @@ api.add_resource(API_Root, '/')
 #
 # api.add_resource(API_Doc, '/doc')
 
+
 # /login
 class API_Login(Resource):
     def post(self):
@@ -294,6 +300,7 @@ class API_Login(Resource):
 
 api.add_resource(API_Login, '/login')
 
+
 # /logout
 class API_Logout(Resource):
     def post(self):
@@ -320,6 +327,7 @@ class API_Logout(Resource):
 
 api.add_resource(API_Logout, '/logout')
 
+
 # /initialize
 class API_Initialize(Resource):
     @Authenticator
@@ -351,6 +359,7 @@ class API_Initialize(Resource):
 
 api.add_resource(API_Initialize, '/initialize')
 
+
 # /status
 class API_Status(Resource):
     @Authenticator
@@ -588,6 +597,7 @@ class API_Node_Root(Resource):
 
 api.add_resource(API_Node_Root, '/node')
 
+
 # /node/<node>
 class API_Node_Element(Resource):
     @Authenticator
@@ -613,6 +623,7 @@ class API_Node_Element(Resource):
 
 api.add_resource(API_Node_Element, '/node/<node>')
 
+
 # /node/<node>/daemon-state
 class API_Node_DaemonState(Resource):
     @Authenticator
@@ -646,6 +657,7 @@ class API_Node_DaemonState(Resource):
 
 api.add_resource(API_Node_DaemonState, '/node/<node>/daemon-state')
 
+
 # /node/<node>/coordinator-state
 class API_Node_CoordinatorState(Resource):
     @Authenticator
@@ -716,6 +728,7 @@ class API_Node_CoordinatorState(Resource):
 
 api.add_resource(API_Node_CoordinatorState, '/node/<node>/coordinator-state')
 
+
 # /node/<node>/domain-state
 class API_Node_DomainState(Resource):
     @Authenticator
@@ -1128,6 +1141,7 @@ class API_VM_Root(Resource):
 
 api.add_resource(API_VM_Root, '/vm')
 
+
 # /vm/<vm>
 class API_VM_Element(Resource):
     @Authenticator
@@ -1310,6 +1324,7 @@ class API_VM_Element(Resource):
 
 api.add_resource(API_VM_Element, '/vm/<vm>')
 
+
 # /vm/<vm>/meta
 class API_VM_Metadata(Resource):
     @Authenticator
@@ -1425,6 +1440,7 @@ class API_VM_Metadata(Resource):
 
 api.add_resource(API_VM_Metadata, '/vm/<vm>/meta')
 
+
 # /vm/<vm</state
 class API_VM_State(Resource):
     @Authenticator
@@ -1512,6 +1528,7 @@ class API_VM_State(Resource):
 
 api.add_resource(API_VM_State, '/vm/<vm>/state')
 
+
 # /vm/<vm>/node
 class API_VM_Node(Resource):
     @Authenticator
@@ -1614,6 +1631,7 @@ class API_VM_Node(Resource):
 
 api.add_resource(API_VM_Node, '/vm/<vm>/node')
 
+
 # /vm/<vm>/locks
 class API_VM_Locks(Resource):
     @Authenticator
@@ -1640,6 +1658,7 @@ class API_VM_Locks(Resource):
 
 api.add_resource(API_VM_Locks, '/vm/<vm>/locks')
 
+
 # /vm/<vm</console
 class API_VM_Console(Resource):
     @RequestParser([
@@ -1885,6 +1904,7 @@ class API_Network_Root(Resource):
 
 api.add_resource(API_Network_Root, '/network')
 
+
 # /network/<vni>
 class API_Network_Element(Resource):
     @Authenticator
@@ -2133,6 +2153,7 @@ class API_Network_Element(Resource):
 
 api.add_resource(API_Network_Element, '/network/<vni>')
 
+
 # /network/<vni>/lease
 class API_Network_Lease_Root(Resource):
     @RequestParser([
@@ -2254,6 +2275,7 @@ class API_Network_Lease_Root(Resource):
 
 api.add_resource(API_Network_Lease_Root, '/network/<vni>/lease')
 
+
 # /network/<vni>/lease/{mac}
 class API_Network_Lease_Element(Resource):
     @Authenticator
@@ -2382,6 +2404,7 @@ class API_Network_Lease_Element(Resource):
 
 api.add_resource(API_Network_Lease_Element, '/network/<vni>/lease/<mac>')
 
+
 # /network/<vni>/acl
 class API_Network_ACL_Root(Resource):
     @RequestParser([
@@ -2506,6 +2529,7 @@ class API_Network_ACL_Root(Resource):
 
 api.add_resource(API_Network_ACL_Root, '/network/<vni>/acl')
 
+
 # /network/<vni>/acl/<description>
 class API_Network_ACL_Element(Resource):
     @Authenticator
@@ -2633,6 +2657,7 @@ class API_Storage_Root(Resource):
 
 api.add_resource(API_Storage_Root, '/storage')
 
+
 # /storage/ceph
 class API_Storage_Ceph_Root(Resource):
     @Authenticator
@@ -2642,6 +2667,7 @@ class API_Storage_Ceph_Root(Resource):
 
 api.add_resource(API_Storage_Ceph_Root, '/storage/ceph')
 
+
 # /storage/ceph/status
 class API_Storage_Ceph_Status(Resource):
     @Authenticator
@@ -2672,6 +2698,7 @@ class API_Storage_Ceph_Status(Resource):
 
 api.add_resource(API_Storage_Ceph_Status, '/storage/ceph/status')
 
+
 # /storage/ceph/utilization
 class API_Storage_Ceph_Utilization(Resource):
     @Authenticator
@@ -2702,6 +2729,7 @@ class API_Storage_Ceph_Utilization(Resource):
 
 api.add_resource(API_Storage_Ceph_Utilization, '/storage/ceph/utilization')
 
+
 # /storage/ceph/benchmark
 class API_Storage_Ceph_Benchmark(Resource):
     @RequestParser([
@@ -2862,6 +2890,7 @@ class API_Storage_Ceph_Benchmark(Resource):
 
 api.add_resource(API_Storage_Ceph_Benchmark, '/storage/ceph/benchmark')
 
+
 # /storage/ceph/option
 class API_Storage_Ceph_Option(Resource):
     @RequestParser([
@@ -2910,6 +2939,7 @@ class API_Storage_Ceph_Option(Resource):
 
 api.add_resource(API_Storage_Ceph_Option, '/storage/ceph/option')
 
+
 # /storage/ceph/osd
 class API_Storage_Ceph_OSD_Root(Resource):
     @RequestParser([
@@ -3055,6 +3085,7 @@ class API_Storage_Ceph_OSD_Root(Resource):
 
 api.add_resource(API_Storage_Ceph_OSD_Root, '/storage/ceph/osd')
 
+
 # /storage/ceph/osd/<osdid>
 class API_Storage_Ceph_OSD_Element(Resource):
     @Authenticator
@@ -3116,6 +3147,7 @@ class API_Storage_Ceph_OSD_Element(Resource):
 
 api.add_resource(API_Storage_Ceph_OSD_Element, '/storage/ceph/osd/<osdid>')
 
+
 # /storage/ceph/osd/<osdid>/state
 class API_Storage_Ceph_OSD_State(Resource):
     @Authenticator
@@ -3175,6 +3207,7 @@ class API_Storage_Ceph_OSD_State(Resource):
 
 api.add_resource(API_Storage_Ceph_OSD_State, '/storage/ceph/osd/<osdid>/state')
 
+
 # /storage/ceph/pool
 class API_Storage_Ceph_Pool_Root(Resource):
     @RequestParser([
@@ -3307,6 +3340,7 @@ class API_Storage_Ceph_Pool_Root(Resource):
 
 api.add_resource(API_Storage_Ceph_Pool_Root, '/storage/ceph/pool')
 
+
 # /storage/ceph/pool/<pool>
 class API_Storage_Ceph_Pool_Element(Resource):
     @Authenticator
@@ -3418,6 +3452,7 @@ class API_Storage_Ceph_Pool_Element(Resource):
 
 api.add_resource(API_Storage_Ceph_Pool_Element, '/storage/ceph/pool/<pool>')
 
+
 # /storage/ceph/volume
 class API_Storage_Ceph_Volume_Root(Resource):
     @RequestParser([
@@ -3569,6 +3604,7 @@ class API_Storage_Ceph_Volume_Root(Resource):
 
 api.add_resource(API_Storage_Ceph_Volume_Root, '/storage/ceph/volume')
 
+
 # /storage/ceph/volume/<pool>/<volume>
 class API_Storage_Ceph_Volume_Element(Resource):
     @Authenticator
@@ -3718,6 +3754,7 @@ class API_Storage_Ceph_Volume_Element(Resource):
 
 api.add_resource(API_Storage_Ceph_Volume_Element, '/storage/ceph/volume/<pool>/<volume>')
 
+
 # /storage/ceph/volume/<pool>/<volume>/clone
 class API_Storage_Ceph_Volume_Element_Clone(Resource):
     @RequestParser([
@@ -3762,6 +3799,7 @@ class API_Storage_Ceph_Volume_Element_Clone(Resource):
 
 api.add_resource(API_Storage_Ceph_Volume_Element_Clone, '/storage/ceph/volume/<pool>/<volume>/clone')
 
+
 # /storage/ceph/volume/<pool>/<volume>/upload
 class API_Storage_Ceph_Volume_Element_Upload(Resource):
     @RequestParser([
@@ -3815,6 +3853,7 @@ class API_Storage_Ceph_Volume_Element_Upload(Resource):
 
 api.add_resource(API_Storage_Ceph_Volume_Element_Upload, '/storage/ceph/volume/<pool>/<volume>/upload')
 
+
 # /storage/ceph/snapshot
 class API_Storage_Ceph_Snapshot_Root(Resource):
     @RequestParser([
@@ -3922,6 +3961,7 @@ class API_Storage_Ceph_Snapshot_Root(Resource):
 
 api.add_resource(API_Storage_Ceph_Snapshot_Root, '/storage/ceph/snapshot')
 
+
 # /storage/ceph/snapshot/<pool>/<volume>/<snapshot>
 class API_Storage_Ceph_Snapshot_Element(Resource):
     @Authenticator
@@ -4081,6 +4121,7 @@ class API_Provisioner_Root(Resource):
 
 api.add_resource(API_Provisioner_Root, '/provisioner')
 
+
 # /provisioner/template
 class API_Provisioner_Template_Root(Resource):
     @RequestParser([
@@ -4129,6 +4170,7 @@ class API_Provisioner_Template_Root(Resource):
 
 api.add_resource(API_Provisioner_Template_Root, '/provisioner/template')
 
+
 # /provisioner/template/system
 class API_Provisioner_Template_System_Root(Resource):
     @RequestParser([
@@ -4320,6 +4362,7 @@ class API_Provisioner_Template_System_Root(Resource):
 
 api.add_resource(API_Provisioner_Template_System_Root, '/provisioner/template/system')
 
+
 # /provisioner/template/system/<template>
 class API_Provisioner_Template_System_Element(Resource):
     @Authenticator
@@ -4565,6 +4608,7 @@ class API_Provisioner_Template_System_Element(Resource):
 
 api.add_resource(API_Provisioner_Template_System_Element, '/provisioner/template/system/<template>')
 
+
 # /provisioner/template/network
 class API_Provisioner_Template_Network_Root(Resource):
     @RequestParser([
@@ -4668,6 +4712,7 @@ class API_Provisioner_Template_Network_Root(Resource):
 
 api.add_resource(API_Provisioner_Template_Network_Root, '/provisioner/template/network')
 
+
 # /provisioner/template/network/<template>
 class API_Provisioner_Template_Network_Element(Resource):
     @Authenticator
@@ -4752,6 +4797,7 @@ class API_Provisioner_Template_Network_Element(Resource):
 
 api.add_resource(API_Provisioner_Template_Network_Element, '/provisioner/template/network/<template>')
 
+
 # /provisioner/template/network/<template>/net
 class API_Provisioner_Template_Network_Net_Root(Resource):
     @Authenticator
@@ -4819,6 +4865,7 @@ class API_Provisioner_Template_Network_Net_Root(Resource):
 
 api.add_resource(API_Provisioner_Template_Network_Net_Root, '/provisioner/template/network/<template>/net')
 
+
 # /provisioner/template/network/<template>/net/<vni>
 class API_Provisioner_Template_Network_Net_Element(Resource):
     @Authenticator
@@ -4899,6 +4946,7 @@ class API_Provisioner_Template_Network_Net_Element(Resource):
 
 api.add_resource(API_Provisioner_Template_Network_Net_Element, '/provisioner/template/network/<template>/net/<vni>')
 
+
 # /provisioner/template/storage
 class API_Provisioner_Template_Storage_Root(Resource):
     @RequestParser([
@@ -5009,6 +5057,7 @@ class API_Provisioner_Template_Storage_Root(Resource):
 
 api.add_resource(API_Provisioner_Template_Storage_Root, '/provisioner/template/storage')
 
+
 # /provisioner/template/storage/<template>
 class API_Provisioner_Template_Storage_Element(Resource):
     @Authenticator
@@ -5083,6 +5132,7 @@ class API_Provisioner_Template_Storage_Element(Resource):
 
 api.add_resource(API_Provisioner_Template_Storage_Element, '/provisioner/template/storage/<template>')
 
+
 # /provisioner/template/storage/<template>/disk
 class API_Provisioner_Template_Storage_Disk_Root(Resource):
     @RequestParser([
@@ -5195,6 +5245,7 @@ class API_Provisioner_Template_Storage_Disk_Root(Resource):
 
 api.add_resource(API_Provisioner_Template_Storage_Disk_Root, '/provisioner/template/storage/<template>/disk')
 
+
 # /provisioner/template/storage/<template>/disk/<disk_id>
 class API_Provisioner_Template_Storage_Disk_Element(Resource):
     @Authenticator
@@ -5321,6 +5372,7 @@ class API_Provisioner_Template_Storage_Disk_Element(Resource):
 
 api.add_resource(API_Provisioner_Template_Storage_Disk_Element, '/provisioner/template/storage/<template>/disk/<disk_id>')
 
+
 # /provisioner/userdata
 class API_Provisioner_Userdata_Root(Resource):
     @RequestParser([
@@ -5407,6 +5459,7 @@ class API_Provisioner_Userdata_Root(Resource):
 
 api.add_resource(API_Provisioner_Userdata_Root, '/provisioner/userdata')
 
+
 # /provisioner/userdata/<userdata>
 class API_Provisioner_Userdata_Element(Resource):
     @Authenticator
@@ -5524,6 +5577,7 @@ class API_Provisioner_Userdata_Element(Resource):
 
 api.add_resource(API_Provisioner_Userdata_Element, '/provisioner/userdata/<userdata>')
 
+
 # /provisioner/script
 class API_Provisioner_Script_Root(Resource):
     @RequestParser([
@@ -5610,6 +5664,7 @@ class API_Provisioner_Script_Root(Resource):
 
 api.add_resource(API_Provisioner_Script_Root, '/provisioner/script')
 
+
 # /provisioner/script/<script>
 class API_Provisioner_Script_Element(Resource):
     @Authenticator
@@ -5727,6 +5782,7 @@ class API_Provisioner_Script_Element(Resource):
 
 api.add_resource(API_Provisioner_Script_Element, '/provisioner/script/<script>')
 
+
 # /provisioner/profile
 class API_Provisioner_OVA_Root(Resource):
     @RequestParser([
@@ -5840,6 +5896,7 @@ class API_Provisioner_OVA_Root(Resource):
 
 api.add_resource(API_Provisioner_OVA_Root, '/provisioner/ova')
 
+
 # /provisioner/ova/<ova>
 class API_Provisioner_OVA_Element(Resource):
     @Authenticator
@@ -5933,6 +5990,7 @@ class API_Provisioner_OVA_Element(Resource):
 
 api.add_resource(API_Provisioner_OVA_Element, '/provisioner/ova/<ova>')
 
+
 # /provisioner/profile
 class API_Provisioner_Profile_Root(Resource):
     @RequestParser([
@@ -6087,6 +6145,7 @@ class API_Provisioner_Profile_Root(Resource):
 
 api.add_resource(API_Provisioner_Profile_Root, '/provisioner/profile')
 
+
 # /provisioner/profile/<profile>
 class API_Provisioner_Profile_Element(Resource):
     @Authenticator
@@ -6291,6 +6350,7 @@ class API_Provisioner_Profile_Element(Resource):
 
 api.add_resource(API_Provisioner_Profile_Element, '/provisioner/profile/<profile>')
 
+
 # /provisioner/create
 class API_Provisioner_Create_Root(Resource):
     @RequestParser([
@@ -6375,6 +6435,7 @@ class API_Provisioner_Create_Root(Resource):
 
 api.add_resource(API_Provisioner_Create_Root, '/provisioner/create')
 
+
 # /provisioner/status
 class API_Provisioner_Status_Root(Resource):
     @Authenticator
@@ -6411,6 +6472,7 @@ class API_Provisioner_Status_Root(Resource):
 
 api.add_resource(API_Provisioner_Status_Root, '/provisioner/status')
 
+
 # /provisioner/status/<task_id>
 class API_Provisioner_Status_Element(Resource):
     @Authenticator
diff --git a/api-daemon/pvcapid/helper.py b/api-daemon/pvcapid/helper.py
index 91fe9553..84d33c87 100755
--- a/api-daemon/pvcapid/helper.py
+++ b/api-daemon/pvcapid/helper.py
@@ -36,6 +36,7 @@ import daemon_lib.ceph as pvc_ceph
 
 config = None  # Set in this namespace by flaskapi
 
+
 def strtobool(stringv):
     if stringv is None:
         return False
@@ -46,6 +47,7 @@ def strtobool(stringv):
     except Exception:
         return False
 
+
 #
 # Initialization function
 #
@@ -83,6 +85,7 @@ def initialize_cluster():
 
     return True
 
+
 #
 # Cluster functions
 #
@@ -96,6 +99,7 @@ def cluster_status():
 
     return retdata, 200
 
+
 def cluster_maintenance(maint_state='false'):
     """
     Set the cluster in or out of maintenance state
@@ -114,6 +118,7 @@ def cluster_maintenance(maint_state='false'):
 
     return retdata, retcode
 
+
 #
 # Node functions
 #
@@ -145,6 +150,7 @@ def node_list(limit=None, daemon_state=None, coordinator_state=None, domain_stat
 
     return retdata, retcode
 
+
 def node_daemon_state(node):
     """
     Return the daemon state of node NODE.
@@ -173,6 +179,7 @@ def node_daemon_state(node):
 
     return retdata, retcode
 
+
 def node_coordinator_state(node):
     """
     Return the coordinator state of node NODE.
@@ -201,6 +208,7 @@ def node_coordinator_state(node):
 
     return retdata, retcode
 
+
 def node_domain_state(node):
     """
     Return the domain state of node NODE.
@@ -226,6 +234,7 @@ def node_domain_state(node):
 
     return retdata, retcode
 
+
 def node_secondary(node):
     """
     Take NODE out of primary router mode.
@@ -244,6 +253,7 @@ def node_secondary(node):
     }
     return output, retcode
 
+
 def node_primary(node):
     """
     Set NODE to primary router mode.
@@ -262,6 +272,7 @@ def node_primary(node):
     }
     return output, retcode
 
+
 def node_flush(node, wait):
     """
     Flush NODE of running VMs.
@@ -280,6 +291,7 @@ def node_flush(node, wait):
     }
     return output, retcode
 
+
 def node_ready(node, wait):
     """
     Restore NODE to active service.
@@ -298,6 +310,7 @@ def node_ready(node, wait):
     }
     return output, retcode
 
+
 #
 # VM functions
 #
@@ -311,6 +324,7 @@ def vm_is_migrated(vm):
 
     return retdata
 
+
 def vm_state(vm):
     """
     Return the state of virtual machine VM.
@@ -343,6 +357,7 @@ def vm_state(vm):
 
     return retdata, retcode
 
+
 def vm_node(vm):
     """
     Return the current node of virtual machine VM.
@@ -376,6 +391,7 @@ def vm_node(vm):
 
     return retdata, retcode
 
+
 def vm_console(vm, lines=None):
     """
     Return the current console log for VM.
@@ -404,6 +420,7 @@ def vm_console(vm, lines=None):
 
     return retdata, retcode
 
+
 def vm_list(node=None, state=None, limit=None, is_fuzzy=True):
     """
     Return a list of VMs with limit LIMIT.
@@ -432,6 +449,7 @@ def vm_list(node=None, state=None, limit=None, is_fuzzy=True):
 
     return retdata, retcode
 
+
 def vm_define(xml, node, limit, selector, autostart, migration_method):
     """
     Define a VM from Libvirt XML in the PVC cluster.
@@ -457,6 +475,7 @@ def vm_define(xml, node, limit, selector, autostart, migration_method):
     }
     return output, retcode
 
+
 def get_vm_meta(vm):
     """
     Get metadata of a VM.
@@ -492,6 +511,7 @@ def get_vm_meta(vm):
 
     return retdata, retcode
 
+
 def update_vm_meta(vm, limit, selector, autostart, provisioner_profile, migration_method):
     """
     Update metadata of a VM.
@@ -515,6 +535,7 @@ def update_vm_meta(vm, limit, selector, autostart, provisioner_profile, migratio
     }
     return output, retcode
 
+
 def vm_modify(name, restart, xml):
     """
     Modify a VM Libvirt XML in the PVC cluster.
@@ -539,6 +560,7 @@ def vm_modify(name, restart, xml):
     }
     return output, retcode
 
+
 def vm_undefine(name):
     """
     Undefine a VM from the PVC cluster.
@@ -557,6 +579,7 @@ def vm_undefine(name):
     }
     return output, retcode
 
+
 def vm_remove(name):
     """
     Remove a VM from the PVC cluster.
@@ -575,6 +598,7 @@ def vm_remove(name):
     }
     return output, retcode
 
+
 def vm_start(name):
     """
     Start a VM in the PVC cluster.
@@ -593,6 +617,7 @@ def vm_start(name):
     }
     return output, retcode
 
+
 def vm_restart(name, wait):
     """
     Restart a VM in the PVC cluster.
@@ -611,6 +636,7 @@ def vm_restart(name, wait):
     }
     return output, retcode
 
+
 def vm_shutdown(name, wait):
     """
     Shutdown a VM in the PVC cluster.
@@ -629,6 +655,7 @@ def vm_shutdown(name, wait):
     }
     return output, retcode
 
+
 def vm_stop(name):
     """
     Forcibly stop a VM in the PVC cluster.
@@ -647,6 +674,7 @@ def vm_stop(name):
     }
     return output, retcode
 
+
 def vm_disable(name):
     """
     Disable a (stopped) VM in the PVC cluster.
@@ -665,6 +693,7 @@ def vm_disable(name):
     }
     return output, retcode
 
+
 def vm_move(name, node, wait, force_live):
     """
     Move a VM to another node.
@@ -683,6 +712,7 @@ def vm_move(name, node, wait, force_live):
     }
     return output, retcode
 
+
 def vm_migrate(name, node, flag_force, wait, force_live):
     """
     Temporarily migrate a VM to another node.
@@ -701,6 +731,7 @@ def vm_migrate(name, node, flag_force, wait, force_live):
     }
     return output, retcode
 
+
 def vm_unmigrate(name, wait, force_live):
     """
     Unmigrate a migrated VM.
@@ -719,6 +750,7 @@ def vm_unmigrate(name, wait, force_live):
     }
     return output, retcode
 
+
 def vm_flush_locks(vm):
     """
     Flush locks of a (stopped) VM.
@@ -748,6 +780,7 @@ def vm_flush_locks(vm):
     }
     return output, retcode
 
+
 #
 # Network functions
 #
@@ -779,6 +812,7 @@ def net_list(limit=None, is_fuzzy=True):
 
     return retdata, retcode
 
+
 def net_add(vni, description, nettype, domain, name_servers,
             ip4_network, ip4_gateway, ip6_network, ip6_gateway,
             dhcp4_flag, dhcp4_start, dhcp4_end):
@@ -803,6 +837,7 @@ def net_add(vni, description, nettype, domain, name_servers,
     }
     return output, retcode
 
+
 def net_modify(vni, description, domain, name_servers,
                ip4_network, ip4_gateway,
                ip6_network, ip6_gateway,
@@ -828,6 +863,7 @@ def net_modify(vni, description, domain, name_servers,
     }
     return output, retcode
 
+
 def net_remove(network):
     """
     Remove a virtual client network from the PVC cluster.
@@ -846,6 +882,7 @@ def net_remove(network):
     }
     return output, retcode
 
+
 def net_dhcp_list(network, limit=None, static=False):
     """
     Return a list of DHCP leases in network NETWORK with limit LIMIT.
@@ -870,6 +907,7 @@ def net_dhcp_list(network, limit=None, static=False):
 
     return retdata, retcode
 
+
 def net_dhcp_add(network, ipaddress, macaddress, hostname):
     """
     Add a static DHCP lease to a virtual client network.
@@ -888,6 +926,7 @@ def net_dhcp_add(network, ipaddress, macaddress, hostname):
     }
     return output, retcode
 
+
 def net_dhcp_remove(network, macaddress):
     """
     Remove a static DHCP lease from a virtual client network.
@@ -906,6 +945,7 @@ def net_dhcp_remove(network, macaddress):
     }
     return output, retcode
 
+
 def net_acl_list(network, limit=None, direction=None, is_fuzzy=True):
     """
     Return a list of network ACLs in network NETWORK with limit LIMIT.
@@ -934,6 +974,7 @@ def net_acl_list(network, limit=None, direction=None, is_fuzzy=True):
 
     return retdata, retcode
 
+
 def net_acl_add(network, direction, description, rule, order):
     """
     Add an ACL to a virtual client network.
@@ -952,6 +993,7 @@ def net_acl_add(network, direction, description, rule, order):
     }
     return output, retcode
 
+
 def net_acl_remove(network, description):
     """
     Remove an ACL from a virtual client network.
@@ -970,6 +1012,7 @@ def net_acl_remove(network, description):
     }
     return output, retcode
 
+
 #
 # Ceph functions
 #
@@ -988,6 +1031,7 @@ def ceph_status():
 
     return retdata, retcode
 
+
 def ceph_util():
     """
     Get the current Ceph cluster utilization.
@@ -1003,6 +1047,7 @@ def ceph_util():
 
     return retdata, retcode
 
+
 def ceph_osd_list(limit=None):
     """
     Get the list of OSDs in the Ceph storage cluster.
@@ -1027,6 +1072,7 @@ def ceph_osd_list(limit=None):
 
     return retdata, retcode
 
+
 def ceph_osd_state(osd):
     zk_conn = pvc_common.startZKConnection(config['coordinators'])
     retflag, retdata = pvc_ceph.get_list_osd(zk_conn, osd)
@@ -1051,6 +1097,7 @@ def ceph_osd_state(osd):
 
     return {"id": osd, "in": in_state, "up": up_state}, retcode
 
+
 def ceph_osd_add(node, device, weight):
     """
     Add a Ceph OSD to the PVC Ceph storage cluster.
@@ -1069,6 +1116,7 @@ def ceph_osd_add(node, device, weight):
     }
     return output, retcode
 
+
 def ceph_osd_remove(osd_id):
     """
     Remove a Ceph OSD from the PVC Ceph storage cluster.
@@ -1087,6 +1135,7 @@ def ceph_osd_remove(osd_id):
     }
     return output, retcode
 
+
 def ceph_osd_in(osd_id):
     """
     Set in a Ceph OSD in the PVC Ceph storage cluster.
@@ -1105,6 +1154,7 @@ def ceph_osd_in(osd_id):
     }
     return output, retcode
 
+
 def ceph_osd_out(osd_id):
     """
     Set out a Ceph OSD in the PVC Ceph storage cluster.
@@ -1123,6 +1173,7 @@ def ceph_osd_out(osd_id):
     }
     return output, retcode
 
+
 def ceph_osd_set(option):
     """
     Set options on a Ceph OSD in the PVC Ceph storage cluster.
@@ -1141,6 +1192,7 @@ def ceph_osd_set(option):
     }
     return output, retcode
 
+
 def ceph_osd_unset(option):
     """
     Unset options on a Ceph OSD in the PVC Ceph storage cluster.
@@ -1159,6 +1211,7 @@ def ceph_osd_unset(option):
     }
     return output, retcode
 
+
 def ceph_pool_list(limit=None, is_fuzzy=True):
     """
     Get the list of RBD pools in the Ceph storage cluster.
@@ -1187,6 +1240,7 @@ def ceph_pool_list(limit=None, is_fuzzy=True):
 
     return retdata, retcode
 
+
 def ceph_pool_add(name, pgs, replcfg):
     """
     Add a Ceph RBD pool to the PVC Ceph storage cluster.
@@ -1205,6 +1259,7 @@ def ceph_pool_add(name, pgs, replcfg):
     }
     return output, retcode
 
+
 def ceph_pool_remove(name):
     """
     Remove a Ceph RBD pool to the PVC Ceph storage cluster.
@@ -1223,6 +1278,7 @@ def ceph_pool_remove(name):
     }
     return output, retcode
 
+
 def ceph_volume_list(pool=None, limit=None, is_fuzzy=True):
     """
     Get the list of RBD volumes in the Ceph storage cluster.
@@ -1251,6 +1307,7 @@ def ceph_volume_list(pool=None, limit=None, is_fuzzy=True):
 
     return retdata, retcode
 
+
 def ceph_volume_add(pool, name, size):
     """
     Add a Ceph RBD volume to the PVC Ceph storage cluster.
@@ -1269,6 +1326,7 @@ def ceph_volume_add(pool, name, size):
     }
     return output, retcode
 
+
 def ceph_volume_clone(pool, name, source_volume):
     """
     Clone a Ceph RBD volume to a new volume on the PVC Ceph storage cluster.
@@ -1287,6 +1345,7 @@ def ceph_volume_clone(pool, name, source_volume):
     }
     return output, retcode
 
+
 def ceph_volume_resize(pool, name, size):
     """
     Resize an existing Ceph RBD volume in the PVC Ceph storage cluster.
@@ -1305,6 +1364,7 @@ def ceph_volume_resize(pool, name, size):
     }
     return output, retcode
 
+
 def ceph_volume_rename(pool, name, new_name):
     """
     Rename a Ceph RBD volume in the PVC Ceph storage cluster.
@@ -1323,6 +1383,7 @@ def ceph_volume_rename(pool, name, new_name):
     }
     return output, retcode
 
+
 def ceph_volume_remove(pool, name):
     """
     Remove a Ceph RBD volume to the PVC Ceph storage cluster.
@@ -1341,6 +1402,7 @@ def ceph_volume_remove(pool, name):
     }
     return output, retcode
 
+
 def ceph_volume_upload(pool, volume, img_type):
     """
     Upload a raw file via HTTP post to a PVC Ceph volume
@@ -1491,6 +1553,7 @@ def ceph_volume_upload(pool, volume, img_type):
         cleanup_maps_and_volumes()
         return output, retcode
 
+
 def ceph_volume_snapshot_list(pool=None, volume=None, limit=None, is_fuzzy=True):
     """
     Get the list of RBD volume snapshots in the Ceph storage cluster.
@@ -1519,6 +1582,7 @@ def ceph_volume_snapshot_list(pool=None, volume=None, limit=None, is_fuzzy=True)
 
     return retdata, retcode
 
+
 def ceph_volume_snapshot_add(pool, volume, name):
     """
     Add a Ceph RBD volume snapshot to the PVC Ceph storage cluster.
@@ -1537,6 +1601,7 @@ def ceph_volume_snapshot_add(pool, volume, name):
     }
     return output, retcode
 
+
 def ceph_volume_snapshot_rename(pool, volume, name, new_name):
     """
     Rename a Ceph RBD volume snapshot in the PVC Ceph storage cluster.
@@ -1555,6 +1620,7 @@ def ceph_volume_snapshot_rename(pool, volume, name, new_name):
     }
     return output, retcode
 
+
 def ceph_volume_snapshot_remove(pool, volume, name):
     """
     Remove a Ceph RBD volume snapshot from the PVC Ceph storage cluster.
diff --git a/api-daemon/pvcapid/models.py b/api-daemon/pvcapid/models.py
index f9f77344..e8af3efa 100755
--- a/api-daemon/pvcapid/models.py
+++ b/api-daemon/pvcapid/models.py
@@ -22,6 +22,7 @@
 
 from pvcapid.flaskapi import db
 
+
 class DBSystemTemplate(db.Model):
     __tablename__ = 'system_template'
 
@@ -54,6 +55,7 @@ class DBSystemTemplate(db.Model):
     def __repr__(self):
         return '<id {}>'.format(self.id)
 
+
 class DBNetworkTemplate(db.Model):
     __tablename__ = 'network_template'
 
@@ -70,6 +72,7 @@ class DBNetworkTemplate(db.Model):
     def __repr__(self):
         return '<id {}>'.format(self.id)
 
+
 class DBNetworkElement(db.Model):
     __tablename__ = 'network'
 
@@ -84,6 +87,7 @@ class DBNetworkElement(db.Model):
     def __repr__(self):
         return '<id {}>'.format(self.id)
 
+
 class DBStorageTemplate(db.Model):
     __tablename__ = 'storage_template'
 
@@ -98,6 +102,7 @@ class DBStorageTemplate(db.Model):
     def __repr__(self):
         return '<id {}>'.format(self.id)
 
+
 class DBStorageElement(db.Model):
     __tablename__ = 'storage'
 
@@ -124,6 +129,7 @@ class DBStorageElement(db.Model):
     def __repr__(self):
         return '<id {}>'.format(self.id)
 
+
 class DBUserdata(db.Model):
     __tablename__ = 'userdata'
 
@@ -138,6 +144,7 @@ class DBUserdata(db.Model):
     def __repr__(self):
         return '<id {}>'.format(self.id)
 
+
 class DBScript(db.Model):
     __tablename__ = 'script'
 
@@ -152,6 +159,7 @@ class DBScript(db.Model):
     def __repr__(self):
         return '<id {}>'.format(self.id)
 
+
 class DBOva(db.Model):
     __tablename__ = 'ova'
 
@@ -166,6 +174,7 @@ class DBOva(db.Model):
     def __repr__(self):
         return '<id {}>'.format(self.id)
 
+
 class DBOvaVolume(db.Model):
     __tablename__ = 'ova_volume'
 
@@ -188,6 +197,7 @@ class DBOvaVolume(db.Model):
     def __repr__(self):
         return '<id {}>'.format(self.id)
 
+
 class DBProfile(db.Model):
     __tablename__ = 'profile'
 
@@ -216,6 +226,7 @@ class DBProfile(db.Model):
     def __repr__(self):
         return '<id {}>'.format(self.id)
 
+
 class DBStorageBenchmarks(db.Model):
     __tablename__ = 'storage_benchmarks'
 
diff --git a/api-daemon/pvcapid/ova.py b/api-daemon/pvcapid/ova.py
index 941899b4..7616b5d5 100755
--- a/api-daemon/pvcapid/ova.py
+++ b/api-daemon/pvcapid/ova.py
@@ -38,6 +38,7 @@ import pvcapid.provisioner as provisioner
 
 config = None  # Set in this namespace by flaskapi
 
+
 #
 # Common functions
 #
@@ -54,12 +55,14 @@ def open_database(config):
     cur = conn.cursor(cursor_factory=psycopg2.extras.RealDictCursor)
     return conn, cur
 
+
 def close_database(conn, cur, failed=False):
     if not failed:
         conn.commit()
     cur.close()
     conn.close()
 
+
 #
 # OVA functions
 #
@@ -107,6 +110,7 @@ def list_ova(limit, is_fuzzy=True):
     else:
         return {'message': 'No OVAs found.'}, 404
 
+
 def delete_ova(name):
     ova_data, retcode = list_ova(name, is_fuzzy=False)
     if retcode != 200:
@@ -156,6 +160,7 @@ def delete_ova(name):
     close_database(conn, cur)
     return retmsg, retcode
 
+
 def upload_ova(pool, name, ova_size):
     ova_archive = None
 
@@ -407,6 +412,7 @@ def upload_ova(pool, name, ova_size):
     retcode = 200
     return output, retcode
 
+
 #
 # OVF parser
 #
diff --git a/api-daemon/pvcapid/provisioner.py b/api-daemon/pvcapid/provisioner.py
index 0e79ee8b..6a80b7ff 100755
--- a/api-daemon/pvcapid/provisioner.py
+++ b/api-daemon/pvcapid/provisioner.py
@@ -39,6 +39,7 @@ from pvcapid.ova import list_ova
 
 config = None  # Set in this namespace by flaskapi
 
+
 def strtobool(stringv):
     if stringv is None:
         return False
@@ -49,6 +50,7 @@ def strtobool(stringv):
     except Exception:
         return False
 
+
 #
 # Exceptions (used by Celery tasks)
 #
@@ -58,18 +60,21 @@ class ValidationError(Exception):
     """
     pass
 
+
 class ClusterError(Exception):
     """
     An exception that results from the PVC cluster being out of alignment with the action.
     """
     pass
 
+
 class ProvisioningError(Exception):
     """
     An exception that results from a failure of a provisioning command.
     """
     pass
 
+
 #
 # Common functions
 #
@@ -86,12 +91,14 @@ def open_database(config):
     cur = conn.cursor(cursor_factory=psycopg2.extras.RealDictCursor)
     return conn, cur
 
+
 def close_database(conn, cur, failed=False):
     if not failed:
         conn.commit()
     cur.close()
     conn.close()
 
+
 #
 # Template List functions
 #
@@ -143,6 +150,7 @@ def list_template(limit, table, is_fuzzy=True):
 
     return data
 
+
 def list_template_system(limit, is_fuzzy=True):
     """
     Obtain a list of system templates.
@@ -153,6 +161,7 @@ def list_template_system(limit, is_fuzzy=True):
     else:
         return {'message': 'No system templates found.'}, 404
 
+
 def list_template_network(limit, is_fuzzy=True):
     """
     Obtain a list of network templates.
@@ -163,6 +172,7 @@ def list_template_network(limit, is_fuzzy=True):
     else:
         return {'message': 'No network templates found.'}, 404
 
+
 def list_template_network_vnis(name):
     """
     Obtain a list of network template VNIs.
@@ -174,6 +184,7 @@ def list_template_network_vnis(name):
     else:
         return {'message': 'No network template networks found.'}, 404
 
+
 def list_template_storage(limit, is_fuzzy=True):
     """
     Obtain a list of storage templates.
@@ -184,6 +195,7 @@ def list_template_storage(limit, is_fuzzy=True):
     else:
         return {'message': 'No storage templates found.'}, 404
 
+
 def list_template_storage_disks(name):
     """
     Obtain a list of storage template disks.
@@ -195,6 +207,7 @@ def list_template_storage_disks(name):
     else:
         return {'message': 'No storage template disks found.'}, 404
 
+
 def template_list(limit):
     system_templates, code = list_template_system(limit)
     if code != 200:
@@ -208,6 +221,7 @@ def template_list(limit):
 
     return {"system_templates": system_templates, "network_templates": network_templates, "storage_templates": storage_templates}
 
+
 #
 # Template Create functions
 #
@@ -231,6 +245,7 @@ def create_template_system(name, vcpu_count, vram_mb, serial=False, vnc=False, v
     close_database(conn, cur)
     return retmsg, retcode
 
+
 def create_template_network(name, mac_template=None):
     if list_template_network(name, is_fuzzy=False)[-1] != 404:
         retmsg = {'message': 'The network template "{}" already exists.'.format(name)}
@@ -250,6 +265,7 @@ def create_template_network(name, mac_template=None):
     close_database(conn, cur)
     return retmsg, retcode
 
+
 def create_template_network_element(name, vni):
     if list_template_network(name, is_fuzzy=False)[-1] != 200:
         retmsg = {'message': 'The network template "{}" does not exist.'.format(name)}
@@ -285,6 +301,7 @@ def create_template_network_element(name, vni):
     close_database(conn, cur)
     return retmsg, retcode
 
+
 def create_template_storage(name):
     if list_template_storage(name, is_fuzzy=False)[-1] != 404:
         retmsg = {'message': 'The storage template "{}" already exists.'.format(name)}
@@ -304,6 +321,7 @@ def create_template_storage(name):
     close_database(conn, cur)
     return retmsg, retcode
 
+
 def create_template_storage_element(name, disk_id, pool, source_volume=None, disk_size_gb=None, filesystem=None, filesystem_args=[], mountpoint=None):
     if list_template_storage(name, is_fuzzy=False)[-1] != 200:
         retmsg = {'message': 'The storage template "{}" does not exist.'.format(name)}
@@ -353,6 +371,7 @@ def create_template_storage_element(name, disk_id, pool, source_volume=None, dis
     close_database(conn, cur)
     return retmsg, retcode
 
+
 #
 # Template Modify functions
 #
@@ -434,6 +453,7 @@ def modify_template_system(name, vcpu_count=None, vram_mb=None, serial=None, vnc
     close_database(conn, cur)
     return retmsg, retcode
 
+
 #
 # Template Delete functions
 #
@@ -456,6 +476,7 @@ def delete_template_system(name):
     close_database(conn, cur)
     return retmsg, retcode
 
+
 def delete_template_network(name):
     if list_template_network(name, is_fuzzy=False)[-1] != 200:
         retmsg = {'message': 'The network template "{}" does not exist.'.format(name)}
@@ -482,6 +503,7 @@ def delete_template_network(name):
     close_database(conn, cur)
     return retmsg, retcode
 
+
 def delete_template_network_element(name, vni):
     if list_template_network(name, is_fuzzy=False)[-1] != 200:
         retmsg = {'message': 'The network template "{}" does not exist.'.format(name)}
@@ -515,6 +537,7 @@ def delete_template_network_element(name, vni):
     close_database(conn, cur)
     return retmsg, retcode
 
+
 def delete_template_storage(name):
     if list_template_storage(name, is_fuzzy=False)[-1] != 200:
         retmsg = {'message': 'The storage template "{}" does not exist.'.format(name)}
@@ -541,6 +564,7 @@ def delete_template_storage(name):
     close_database(conn, cur)
     return retmsg, retcode
 
+
 def delete_template_storage_element(name, disk_id):
     if list_template_storage(name, is_fuzzy=False)[-1] != 200:
         retmsg = {'message': 'The storage template "{}" does not exist.'.format(name)}
@@ -574,6 +598,7 @@ def delete_template_storage_element(name, disk_id):
     close_database(conn, cur)
     return retmsg, retcode
 
+
 #
 # Userdata functions
 #
@@ -605,6 +630,7 @@ def list_userdata(limit, is_fuzzy=True):
     else:
         return {'message': 'No userdata documents found.'}, 404
 
+
 def create_userdata(name, userdata):
     if list_userdata(name, is_fuzzy=False)[-1] != 404:
         retmsg = {'message': 'The userdata document "{}" already exists.'.format(name)}
@@ -624,6 +650,7 @@ def create_userdata(name, userdata):
     close_database(conn, cur)
     return retmsg, retcode
 
+
 def update_userdata(name, userdata):
     if list_userdata(name, is_fuzzy=False)[-1] != 200:
         retmsg = {'message': 'The userdata "{}" does not exist.'.format(name)}
@@ -646,6 +673,7 @@ def update_userdata(name, userdata):
     close_database(conn, cur)
     return retmsg, retcode
 
+
 def delete_userdata(name):
     if list_userdata(name, is_fuzzy=False)[-1] != 200:
         retmsg = {'message': 'The userdata "{}" does not exist.'.format(name)}
@@ -665,6 +693,7 @@ def delete_userdata(name):
     close_database(conn, cur)
     return retmsg, retcode
 
+
 #
 # Script functions
 #
@@ -696,6 +725,7 @@ def list_script(limit, is_fuzzy=True):
     else:
         return {'message': 'No scripts found.'}, 404
 
+
 def create_script(name, script):
     if list_script(name, is_fuzzy=False)[-1] != 404:
         retmsg = {'message': 'The script "{}" already exists.'.format(name)}
@@ -715,6 +745,7 @@ def create_script(name, script):
     close_database(conn, cur)
     return retmsg, retcode
 
+
 def update_script(name, script):
     if list_script(name, is_fuzzy=False)[-1] != 200:
         retmsg = {'message': 'The script "{}" does not exist.'.format(name)}
@@ -737,6 +768,7 @@ def update_script(name, script):
     close_database(conn, cur)
     return retmsg, retcode
 
+
 def delete_script(name):
     if list_script(name, is_fuzzy=False)[-1] != 200:
         retmsg = {'message': 'The script "{}" does not exist.'.format(name)}
@@ -756,6 +788,7 @@ def delete_script(name):
     close_database(conn, cur)
     return retmsg, retcode
 
+
 #
 # Profile functions
 #
@@ -807,6 +840,7 @@ def list_profile(limit, is_fuzzy=True):
     else:
         return {'message': 'No profiles found.'}, 404
 
+
 def create_profile(name, profile_type, system_template, network_template, storage_template, userdata=None, script=None, ova=None, arguments=None):
     if list_profile(name, is_fuzzy=False)[-1] != 404:
         retmsg = {'message': 'The profile "{}" already exists.'.format(name)}
@@ -896,6 +930,7 @@ def create_profile(name, profile_type, system_template, network_template, storag
     close_database(conn, cur)
     return retmsg, retcode
 
+
 def modify_profile(name, profile_type, system_template, network_template, storage_template, userdata, script, ova, arguments=None):
     if list_profile(name, is_fuzzy=False)[-1] != 200:
         retmsg = {'message': 'The profile "{}" does not exist.'.format(name)}
@@ -1004,6 +1039,7 @@ def modify_profile(name, profile_type, system_template, network_template, storag
     close_database(conn, cur)
     return retmsg, retcode
 
+
 def delete_profile(name):
     if list_profile(name, is_fuzzy=False)[-1] != 200:
         retmsg = {'message': 'The profile "{}" does not exist.'.format(name)}
@@ -1023,6 +1059,7 @@ def delete_profile(name):
     close_database(conn, cur)
     return retmsg, retcode
 
+
 #
 # Main VM provisioning function - executed by the Celery worker
 #
diff --git a/client-cli/cli_lib/ansiprint.py b/client-cli/cli_lib/ansiprint.py
index b0da568c..6af4ad5b 100644
--- a/client-cli/cli_lib/ansiprint.py
+++ b/client-cli/cli_lib/ansiprint.py
@@ -22,24 +22,40 @@
 
 import datetime
 
+
 # ANSII colours for output
 def red():
     return '\033[91m'
+
+
 def blue():
     return '\033[94m'
+
+
 def cyan():
     return '\033[96m'
+
+
 def green():
     return '\033[92m'
+
+
 def yellow():
     return '\033[93m'
+
+
 def purple():
     return '\033[95m'
+
+
 def bold():
     return '\033[1m'
+
+
 def end():
     return '\033[0m'
 
+
 # Print function
 def echo(message, prefix, state):
     # Get the date
diff --git a/client-cli/cli_lib/ceph.py b/client-cli/cli_lib/ceph.py
index 0e8eae8e..69081212 100644
--- a/client-cli/cli_lib/ceph.py
+++ b/client-cli/cli_lib/ceph.py
@@ -32,7 +32,7 @@ from cli_lib.common import UploadProgressBar, call_api
 # Supplemental functions
 #
 
-# Format byte sizes to/from human-readable units
+# Matrix of human-to-byte values
 byte_unit_matrix = {
     'B': 1,
     'K': 1024,
@@ -41,6 +41,19 @@ byte_unit_matrix = {
     'T': 1024*1024*1024*1024,
     'P': 1024*1024*1024*1024*1024
 }
+
+# Matrix of human-to-metric values
+ops_unit_matrix = {
+    '': 1,
+    'K': 1000,
+    'M': 1000*1000,
+    'G': 1000*1000*1000,
+    'T': 1000*1000*1000*1000,
+    'P': 1000*1000*1000*1000*1000
+}
+
+
+# Format byte sizes to/from human-readable units
 def format_bytes_tohuman(databytes):
     datahuman = ''
     for unit in sorted(byte_unit_matrix, key=byte_unit_matrix.get, reverse=True):
@@ -55,6 +68,7 @@ def format_bytes_tohuman(databytes):
 
     return datahuman
 
+
 def format_bytes_fromhuman(datahuman):
     # Trim off human-readable character
     dataunit = datahuman[-1]
@@ -64,14 +78,6 @@ def format_bytes_fromhuman(datahuman):
 
 
 # Format ops sizes to/from human-readable units
-ops_unit_matrix = {
-    '': 1,
-    'K': 1000,
-    'M': 1000*1000,
-    'G': 1000*1000*1000,
-    'T': 1000*1000*1000*1000,
-    'P': 1000*1000*1000*1000*1000
-}
 def format_ops_tohuman(dataops):
     datahuman = ''
     for unit in sorted(ops_unit_matrix, key=ops_unit_matrix.get, reverse=True):
@@ -86,6 +92,7 @@ def format_ops_tohuman(dataops):
 
     return datahuman
 
+
 def format_ops_fromhuman(datahuman):
     # Trim off human-readable character
     dataunit = datahuman[-1]
@@ -93,10 +100,12 @@ def format_ops_fromhuman(datahuman):
     dataops = datasize * ops_unit_matrix[dataunit]
     return '{}'.format(dataops)
 
+
 def format_pct_tohuman(datapct):
     datahuman = "{0:.1f}".format(float(datapct * 100.0))
     return datahuman
 
+
 #
 # Status functions
 #
@@ -115,6 +124,7 @@ def ceph_status(config):
     else:
         return False, response.json().get('message', '')
 
+
 def ceph_util(config):
     """
     Get utilization of the Ceph cluster
@@ -130,6 +140,7 @@ def ceph_util(config):
     else:
         return False, response.json().get('message', '')
 
+
 def format_raw_output(status_data):
     ainformation = list()
     ainformation.append('{bold}Ceph cluster {stype} (primary node {end}{blue}{primary}{end}{bold}){end}\n'.format(bold=ansiprint.bold(), end=ansiprint.end(), blue=ansiprint.blue(), stype=status_data['type'], primary=status_data['primary_node']))
@@ -138,6 +149,7 @@ def format_raw_output(status_data):
 
     return '\n'.join(ainformation)
 
+
 #
 # OSD functions
 #
@@ -156,6 +168,7 @@ def ceph_osd_info(config, osd):
     else:
         return False, response.json().get('message', '')
 
+
 def ceph_osd_list(config, limit):
     """
     Get list information about Ceph OSDs (limited by {limit})
@@ -175,6 +188,7 @@ def ceph_osd_list(config, limit):
     else:
         return False, response.json().get('message', '')
 
+
 def ceph_osd_add(config, node, device, weight):
     """
     Add new Ceph OSD
@@ -197,6 +211,7 @@ def ceph_osd_add(config, node, device, weight):
 
     return retstatus, response.json().get('message', '')
 
+
 def ceph_osd_remove(config, osdid):
     """
     Remove Ceph OSD
@@ -217,6 +232,7 @@ def ceph_osd_remove(config, osdid):
 
     return retstatus, response.json().get('message', '')
 
+
 def ceph_osd_state(config, osdid, state):
     """
     Set state of Ceph OSD
@@ -237,6 +253,7 @@ def ceph_osd_state(config, osdid, state):
 
     return retstatus, response.json().get('message', '')
 
+
 def ceph_osd_option(config, option, action):
     """
     Set cluster option of Ceph OSDs
@@ -258,6 +275,7 @@ def ceph_osd_option(config, option, action):
 
     return retstatus, response.json().get('message', '')
 
+
 def getOutputColoursOSD(osd_information):
     # Set the UP status
     if osd_information['stats']['up'] == 1:
@@ -277,6 +295,7 @@ def getOutputColoursOSD(osd_information):
 
     return osd_up_flag, osd_up_colour, osd_in_flag, osd_in_colour
 
+
 def format_list_osd(osd_list):
     # Handle empty list
     if not osd_list:
@@ -542,6 +561,7 @@ def ceph_pool_info(config, pool):
     else:
         return False, response.json().get('message', '')
 
+
 def ceph_pool_list(config, limit):
     """
     Get list information about Ceph OSDs (limited by {limit})
@@ -561,6 +581,7 @@ def ceph_pool_list(config, limit):
     else:
         return False, response.json().get('message', '')
 
+
 def ceph_pool_add(config, pool, pgs, replcfg):
     """
     Add new Ceph OSD
@@ -583,6 +604,7 @@ def ceph_pool_add(config, pool, pgs, replcfg):
 
     return retstatus, response.json().get('message', '')
 
+
 def ceph_pool_remove(config, pool):
     """
     Remove Ceph OSD
@@ -603,6 +625,7 @@ def ceph_pool_remove(config, pool):
 
     return retstatus, response.json().get('message', '')
 
+
 def format_list_pool(pool_list):
     # Handle empty list
     if not pool_list:
@@ -820,6 +843,7 @@ def ceph_volume_info(config, pool, volume):
     else:
         return False, response.json().get('message', '')
 
+
 def ceph_volume_list(config, limit, pool):
     """
     Get list information about Ceph volumes (limited by {limit} and by {pool})
@@ -841,6 +865,7 @@ def ceph_volume_list(config, limit, pool):
     else:
         return False, response.json().get('message', '')
 
+
 def ceph_volume_add(config, pool, volume, size):
     """
     Add new Ceph volume
@@ -863,6 +888,7 @@ def ceph_volume_add(config, pool, volume, size):
 
     return retstatus, response.json().get('message', '')
 
+
 def ceph_volume_upload(config, pool, volume, image_format, image_file):
     """
     Upload a disk image to a Ceph volume
@@ -898,6 +924,7 @@ def ceph_volume_upload(config, pool, volume, image_format, image_file):
 
     return retstatus, response.json().get('message', '')
 
+
 def ceph_volume_remove(config, pool, volume):
     """
     Remove Ceph volume
@@ -915,6 +942,7 @@ def ceph_volume_remove(config, pool, volume):
 
     return retstatus, response.json().get('message', '')
 
+
 def ceph_volume_modify(config, pool, volume, new_name=None, new_size=None):
     """
     Modify Ceph volume
@@ -939,6 +967,7 @@ def ceph_volume_modify(config, pool, volume, new_name=None, new_size=None):
 
     return retstatus, response.json().get('message', '')
 
+
 def ceph_volume_clone(config, pool, volume, new_volume):
     """
     Clone Ceph volume
@@ -959,6 +988,7 @@ def ceph_volume_clone(config, pool, volume, new_volume):
 
     return retstatus, response.json().get('message', '')
 
+
 def format_list_volume(volume_list):
     # Handle empty list
     if not volume_list:
@@ -1092,6 +1122,7 @@ def ceph_snapshot_info(config, pool, volume, snapshot):
     else:
         return False, response.json().get('message', '')
 
+
 def ceph_snapshot_list(config, limit, volume, pool):
     """
     Get list information about Ceph snapshots (limited by {limit}, by {pool}, or by {volume})
@@ -1115,6 +1146,7 @@ def ceph_snapshot_list(config, limit, volume, pool):
     else:
         return False, response.json().get('message', '')
 
+
 def ceph_snapshot_add(config, pool, volume, snapshot):
     """
     Add new Ceph snapshot
@@ -1137,6 +1169,7 @@ def ceph_snapshot_add(config, pool, volume, snapshot):
 
     return retstatus, response.json().get('message', '')
 
+
 def ceph_snapshot_remove(config, pool, volume, snapshot):
     """
     Remove Ceph snapshot
@@ -1154,6 +1187,7 @@ def ceph_snapshot_remove(config, pool, volume, snapshot):
 
     return retstatus, response.json().get('message', '')
 
+
 def ceph_snapshot_modify(config, pool, volume, snapshot, new_name=None):
     """
     Modify Ceph snapshot
@@ -1176,6 +1210,7 @@ def ceph_snapshot_modify(config, pool, volume, snapshot, new_name=None):
 
     return retstatus, response.json().get('message', '')
 
+
 def format_list_snapshot(snapshot_list):
     # Handle empty list
     if not snapshot_list:
@@ -1249,6 +1284,7 @@ def format_list_snapshot(snapshot_list):
 
     return '\n'.join(sorted(snapshot_list_output))
 
+
 #
 # Benchmark functions
 #
@@ -1274,6 +1310,7 @@ def ceph_benchmark_run(config, pool):
 
     return retvalue, retdata
 
+
 def ceph_benchmark_list(config, job):
     """
     View results of one or more previous benchmark runs
@@ -1300,6 +1337,7 @@ def ceph_benchmark_list(config, job):
 
     return retvalue, retdata
 
+
 def format_list_benchmark(config, benchmark_information):
     benchmark_list_output = []
 
@@ -1420,6 +1458,7 @@ def format_list_benchmark(config, benchmark_information):
 
     return '\n'.join(benchmark_list_output)
 
+
 def format_info_benchmark(config, benchmark_information):
     if benchmark_information[0]['benchmark_result'] == "Running":
         return "Benchmark test is still running."
diff --git a/client-cli/cli_lib/cluster.py b/client-cli/cli_lib/cluster.py
index 54d4459d..3b9faabe 100644
--- a/client-cli/cli_lib/cluster.py
+++ b/client-cli/cli_lib/cluster.py
@@ -25,6 +25,7 @@ import json
 import cli_lib.ansiprint as ansiprint
 from cli_lib.common import call_api
 
+
 def initialize(config):
     """
     Initialize the PVC cluster
@@ -42,6 +43,7 @@ def initialize(config):
 
     return retstatus, response.json().get('message', '')
 
+
 def maintenance_mode(config, state):
     """
     Enable or disable PVC cluster maintenance mode
@@ -62,6 +64,7 @@ def maintenance_mode(config, state):
 
     return retstatus, response.json().get('message', '')
 
+
 def get_info(config):
     """
     Get status of the PVC cluster
@@ -77,6 +80,7 @@ def get_info(config):
     else:
         return False, response.json().get('message', '')
 
+
 def format_info(cluster_information, oformat):
     if oformat == 'json':
         return json.dumps(cluster_information)
diff --git a/client-cli/cli_lib/common.py b/client-cli/cli_lib/common.py
index a40d3f0d..81de60a0 100644
--- a/client-cli/cli_lib/common.py
+++ b/client-cli/cli_lib/common.py
@@ -27,6 +27,7 @@ import requests
 import click
 from urllib3 import disable_warnings
 
+
 def format_bytes(size_bytes):
     byte_unit_matrix = {
         'B': 1,
@@ -44,6 +45,7 @@ def format_bytes(size_bytes):
             break
     return human_bytes
 
+
 def format_metric(integer):
     integer_unit_matrix = {
         '': 1,
@@ -61,6 +63,7 @@ def format_metric(integer):
             break
     return human_integer
 
+
 class UploadProgressBar(object):
     def __init__(self, filename, end_message='', end_nl=True):
         file_size = os.path.getsize(filename)
@@ -103,6 +106,7 @@ class UploadProgressBar(object):
             if self.end_message:
                 click.echo(self.end_message + self.end_suffix, nl=self.end_nl)
 
+
 class ErrorResponse(requests.Response):
     def __init__(self, json_data, status_code):
         self.json_data = json_data
@@ -111,6 +115,7 @@ class ErrorResponse(requests.Response):
     def json(self):
         return self.json_data
 
+
 def call_api(config, operation, request_uri, headers={}, params=None, data=None, files=None):
     # Craft the URI
     uri = '{}://{}{}{}'.format(
diff --git a/client-cli/cli_lib/network.py b/client-cli/cli_lib/network.py
index c6014e41..b4462fd5 100644
--- a/client-cli/cli_lib/network.py
+++ b/client-cli/cli_lib/network.py
@@ -24,6 +24,7 @@ import re
 import cli_lib.ansiprint as ansiprint
 from cli_lib.common import call_api
 
+
 def isValidMAC(macaddr):
     allowed = re.compile(r"""
                          (
@@ -37,6 +38,7 @@ def isValidMAC(macaddr):
     else:
         return False
 
+
 def isValidIP(ipaddr):
     ip4_blocks = str(ipaddr).split(".")
     if len(ip4_blocks) == 4:
@@ -50,6 +52,7 @@ def isValidIP(ipaddr):
         return True
     return False
 
+
 #
 # Primary functions
 #
@@ -68,6 +71,7 @@ def net_info(config, net):
     else:
         return False, response.json().get('message', '')
 
+
 def net_list(config, limit):
     """
     Get list information about networks (limited by {limit})
@@ -87,6 +91,7 @@ def net_list(config, limit):
     else:
         return False, response.json().get('message', '')
 
+
 def net_add(config, vni, description, nettype, domain, name_servers, ip4_network, ip4_gateway, ip6_network, ip6_gateway, dhcp4_flag, dhcp4_start, dhcp4_end):
     """
     Add new network
@@ -118,6 +123,7 @@ def net_add(config, vni, description, nettype, domain, name_servers, ip4_network
 
     return retstatus, response.json().get('message', '')
 
+
 def net_modify(config, net, description, domain, name_servers, ip4_network, ip4_gateway, ip6_network, ip6_gateway, dhcp4_flag, dhcp4_start, dhcp4_end):
     """
     Modify a network
@@ -157,6 +163,7 @@ def net_modify(config, net, description, domain, name_servers, ip4_network, ip4_
 
     return retstatus, response.json().get('message', '')
 
+
 def net_remove(config, net):
     """
     Remove a network
@@ -174,6 +181,7 @@ def net_remove(config, net):
 
     return retstatus, response.json().get('message', '')
 
+
 #
 # DHCP lease functions
 #
@@ -192,6 +200,7 @@ def net_dhcp_info(config, net, mac):
     else:
         return False, response.json().get('message', '')
 
+
 def net_dhcp_list(config, net, limit, only_static=False):
     """
     Get list information about leases (limited by {limit})
@@ -216,6 +225,7 @@ def net_dhcp_list(config, net, limit, only_static=False):
     else:
         return False, response.json().get('message', '')
 
+
 def net_dhcp_add(config, net, ipaddr, macaddr, hostname):
     """
     Add new network DHCP lease
@@ -238,6 +248,7 @@ def net_dhcp_add(config, net, ipaddr, macaddr, hostname):
 
     return retstatus, response.json().get('message', '')
 
+
 def net_dhcp_remove(config, net, mac):
     """
     Remove a network DHCP lease
@@ -255,6 +266,7 @@ def net_dhcp_remove(config, net, mac):
 
     return retstatus, response.json().get('message', '')
 
+
 #
 # ACL functions
 #
@@ -273,6 +285,7 @@ def net_acl_info(config, net, description):
     else:
         return False, response.json().get('message', '')
 
+
 def net_acl_list(config, net, limit, direction):
     """
     Get list information about ACLs (limited by {limit})
@@ -294,6 +307,7 @@ def net_acl_list(config, net, limit, direction):
     else:
         return False, response.json().get('message', '')
 
+
 def net_acl_add(config, net, direction, description, rule, order):
     """
     Add new network acl
@@ -318,7 +332,9 @@ def net_acl_add(config, net, direction, description, rule, order):
 
     return retstatus, response.json().get('message', '')
 
+
 def net_acl_remove(config, net, description):
+
     """
     Remove a network ACL
 
@@ -360,6 +376,7 @@ def getOutputColours(network_information):
 
     return v6_flag_colour, v4_flag_colour, dhcp6_flag_colour, dhcp4_flag_colour
 
+
 def format_info(config, network_information, long_output):
     if not network_information:
         return "No network found"
@@ -418,6 +435,7 @@ def format_info(config, network_information, long_output):
     # Join it all together
     return '\n'.join(ainformation)
 
+
 def format_list(config, network_list):
     if not network_list:
         return "No network found"
@@ -534,6 +552,7 @@ def format_list(config, network_list):
 
     return '\n'.join(sorted(network_list_output))
 
+
 def format_list_dhcp(dhcp_lease_list):
     dhcp_lease_list_output = []
 
@@ -598,6 +617,7 @@ def format_list_dhcp(dhcp_lease_list):
 
     return '\n'.join(sorted(dhcp_lease_list_output))
 
+
 def format_list_acl(acl_list):
     # Handle when we get an empty entry
     if not acl_list:
diff --git a/client-cli/cli_lib/node.py b/client-cli/cli_lib/node.py
index 0623e7d7..56ffc4cc 100644
--- a/client-cli/cli_lib/node.py
+++ b/client-cli/cli_lib/node.py
@@ -23,6 +23,7 @@
 import cli_lib.ansiprint as ansiprint
 from cli_lib.common import call_api
 
+
 #
 # Primary functions
 #
@@ -46,6 +47,7 @@ def node_coordinator_state(config, node, action):
 
     return retstatus, response.json().get('message', '')
 
+
 def node_domain_state(config, node, action, wait):
     """
     Set node domain state state (flush/ready)
@@ -67,6 +69,7 @@ def node_domain_state(config, node, action, wait):
 
     return retstatus, response.json().get('message', '')
 
+
 def node_info(config, node):
     """
     Get information about node
@@ -82,6 +85,7 @@ def node_info(config, node):
     else:
         return False, response.json().get('message', '')
 
+
 def node_list(config, limit, target_daemon_state, target_coordinator_state, target_domain_state):
     """
     Get list information about nodes (limited by {limit})
@@ -107,6 +111,7 @@ def node_list(config, limit, target_daemon_state, target_coordinator_state, targ
     else:
         return False, response.json().get('message', '')
 
+
 #
 # Output display functions
 #
@@ -148,6 +153,7 @@ def getOutputColours(node_information):
 
     return daemon_state_colour, coordinator_state_colour, domain_state_colour, mem_allocated_colour, mem_provisioned_colour
 
+
 def format_info(node_information, long_output):
     daemon_state_colour, coordinator_state_colour, domain_state_colour, mem_allocated_colour, mem_provisioned_colour = getOutputColours(node_information)
 
@@ -178,6 +184,7 @@ def format_info(node_information, long_output):
     ainformation.append('')
     return '\n'.join(ainformation)
 
+
 def format_list(node_list, raw):
     # Handle single-element lists
     if not isinstance(node_list, list):
diff --git a/client-cli/cli_lib/provisioner.py b/client-cli/cli_lib/provisioner.py
index dea4f56a..2a24777a 100644
--- a/client-cli/cli_lib/provisioner.py
+++ b/client-cli/cli_lib/provisioner.py
@@ -27,6 +27,7 @@ from requests_toolbelt.multipart.encoder import MultipartEncoder, MultipartEncod
 import cli_lib.ansiprint as ansiprint
 from cli_lib.common import UploadProgressBar, call_api
 
+
 #
 # Primary functions
 #
@@ -45,6 +46,7 @@ def template_info(config, template, template_type):
     else:
         return False, response.json().get('message', '')
 
+
 def template_list(config, limit, template_type=None):
     """
     Get list information about templates (limited by {limit})
@@ -67,6 +69,7 @@ def template_list(config, limit, template_type=None):
     else:
         return False, response.json().get('message', '')
 
+
 def template_add(config, params, template_type=None):
     """
     Add a new template of {template_type} with {params}
@@ -84,6 +87,7 @@ def template_add(config, params, template_type=None):
 
     return retvalue, response.json().get('message', '')
 
+
 def template_modify(config, params, name, template_type):
     """
     Modify an existing template of {template_type} with {params}
@@ -101,6 +105,7 @@ def template_modify(config, params, name, template_type):
 
     return retvalue, response.json().get('message', '')
 
+
 def template_remove(config, name, template_type):
     """
     Remove template {name} of {template_type}
@@ -118,6 +123,7 @@ def template_remove(config, name, template_type):
 
     return retvalue, response.json().get('message', '')
 
+
 def template_element_add(config, name, element_id, params, element_type=None, template_type=None):
     """
     Add a new template element of {element_type} with {params} to template {name} of {template_type}
@@ -135,6 +141,7 @@ def template_element_add(config, name, element_id, params, element_type=None, te
 
     return retvalue, response.json().get('message', '')
 
+
 def template_element_remove(config, name, element_id, element_type=None, template_type=None):
     """
     Remove template element {element_id} of {element_type} from template {name} of {template_type}
@@ -152,6 +159,7 @@ def template_element_remove(config, name, element_id, element_type=None, templat
 
     return retvalue, response.json().get('message', '')
 
+
 def userdata_info(config, userdata):
     """
     Get information about userdata
@@ -167,6 +175,7 @@ def userdata_info(config, userdata):
     else:
         return False, response.json().get('message', '')
 
+
 def userdata_list(config, limit):
     """
     Get list information about userdatas (limited by {limit})
@@ -186,6 +195,7 @@ def userdata_list(config, limit):
     else:
         return False, response.json().get('message', '')
 
+
 def userdata_show(config, name):
     """
     Get information about userdata name
@@ -201,6 +211,7 @@ def userdata_show(config, name):
     else:
         return False, response.json().get('message', '')
 
+
 def userdata_add(config, params):
     """
     Add a new userdata with {params}
@@ -227,6 +238,7 @@ def userdata_add(config, params):
 
     return retvalue, response.json().get('message', '')
 
+
 def userdata_modify(config, name, params):
     """
     Modify userdata {name} with {params}
@@ -252,6 +264,7 @@ def userdata_modify(config, name, params):
 
     return retvalue, response.json().get('message', '')
 
+
 def userdata_remove(config, name):
     """
     Remove userdata {name}
@@ -269,6 +282,7 @@ def userdata_remove(config, name):
 
     return retvalue, response.json().get('message', '')
 
+
 def script_info(config, script):
     """
     Get information about script
@@ -284,6 +298,7 @@ def script_info(config, script):
     else:
         return False, response.json().get('message', '')
 
+
 def script_list(config, limit):
     """
     Get list information about scripts (limited by {limit})
@@ -303,6 +318,7 @@ def script_list(config, limit):
     else:
         return False, response.json().get('message', '')
 
+
 def script_show(config, name):
     """
     Get information about script name
@@ -318,6 +334,7 @@ def script_show(config, name):
     else:
         return False, response.json().get('message', '')
 
+
 def script_add(config, params):
     """
     Add a new script with {params}
@@ -344,6 +361,7 @@ def script_add(config, params):
 
     return retvalue, response.json().get('message', '')
 
+
 def script_modify(config, name, params):
     """
     Modify script {name} with {params}
@@ -369,6 +387,7 @@ def script_modify(config, name, params):
 
     return retvalue, response.json().get('message', '')
 
+
 def script_remove(config, name):
     """
     Remove script {name}
@@ -386,6 +405,7 @@ def script_remove(config, name):
 
     return retvalue, response.json().get('message', '')
 
+
 def ova_info(config, name):
     """
     Get information about OVA image {name}
@@ -401,6 +421,7 @@ def ova_info(config, name):
     else:
         return False, response.json().get('message', '')
 
+
 def ova_list(config, limit):
     """
     Get list information about OVA images (limited by {limit})
@@ -420,6 +441,7 @@ def ova_list(config, limit):
     else:
         return False, response.json().get('message', '')
 
+
 def ova_upload(config, name, ova_file, params):
     """
     Upload an OVA image to the cluster
@@ -452,6 +474,7 @@ def ova_upload(config, name, ova_file, params):
 
     return retstatus, response.json().get('message', '')
 
+
 def ova_remove(config, name):
     """
     Remove OVA image {name}
@@ -469,6 +492,7 @@ def ova_remove(config, name):
 
     return retvalue, response.json().get('message', '')
 
+
 def profile_info(config, profile):
     """
     Get information about profile
@@ -484,6 +508,7 @@ def profile_info(config, profile):
     else:
         return False, response.json().get('message', '')
 
+
 def profile_list(config, limit):
     """
     Get list information about profiles (limited by {limit})
@@ -503,6 +528,7 @@ def profile_list(config, limit):
     else:
         return False, response.json().get('message', '')
 
+
 def profile_add(config, params):
     """
     Add a new profile with {params}
@@ -520,6 +546,7 @@ def profile_add(config, params):
 
     return retvalue, response.json().get('message', '')
 
+
 def profile_modify(config, name, params):
     """
     Modify profile {name} with {params}
@@ -537,6 +564,7 @@ def profile_modify(config, name, params):
 
     return retvalue, response.json().get('message', '')
 
+
 def profile_remove(config, name):
     """
     Remove profile {name}
@@ -554,6 +582,7 @@ def profile_remove(config, name):
 
     return retvalue, response.json().get('message', '')
 
+
 def vm_create(config, name, profile, wait_flag, define_flag, start_flag, script_args):
     """
     Create a new VM named {name} with profile {profile}
@@ -584,6 +613,7 @@ def vm_create(config, name, profile, wait_flag, define_flag, start_flag, script_
 
     return retvalue, retdata
 
+
 def task_status(config, task_id=None, is_watching=False):
     """
     Get information about provisioner job {task_id} or all tasks if None
@@ -658,6 +688,7 @@ def task_status(config, task_id=None, is_watching=False):
 
     return retvalue, retdata
 
+
 #
 # Format functions
 #
@@ -700,6 +731,7 @@ def format_list_template(template_data, template_type=None):
 
     return '\n'.join(ainformation)
 
+
 def format_list_template_system(template_data):
     if isinstance(template_data, dict):
         template_data = [template_data]
@@ -848,6 +880,7 @@ Meta: {template_node_limit: <{template_node_limit_length}} \
 
     return True, ''
 
+
 def format_list_template_network(template_template):
     if isinstance(template_template, dict):
         template_template = [template_template]
@@ -922,6 +955,7 @@ def format_list_template_network(template_template):
 
     return '\n'.join([template_list_output_header] + template_list_output)
 
+
 def format_list_template_storage(template_template):
     if isinstance(template_template, dict):
         template_template = [template_template]
@@ -1057,6 +1091,7 @@ def format_list_template_storage(template_template):
 
     return '\n'.join([template_list_output_header] + template_list_output)
 
+
 def format_list_userdata(userdata_data, lines=None):
     if isinstance(userdata_data, dict):
         userdata_data = [userdata_data]
@@ -1131,6 +1166,7 @@ def format_list_userdata(userdata_data, lines=None):
 
     return '\n'.join([userdata_list_output_header] + userdata_list_output)
 
+
 def format_list_script(script_data, lines=None):
     if isinstance(script_data, dict):
         script_data = [script_data]
@@ -1205,6 +1241,7 @@ def format_list_script(script_data, lines=None):
 
     return '\n'.join([script_list_output_header] + script_list_output)
 
+
 def format_list_ova(ova_data):
     if isinstance(ova_data, dict):
         ova_data = [ova_data]
@@ -1318,6 +1355,7 @@ def format_list_ova(ova_data):
 
     return '\n'.join([ova_list_output_header] + ova_list_output)
 
+
 def format_list_profile(profile_data):
     if isinstance(profile_data, dict):
         profile_data = [profile_data]
@@ -1442,6 +1480,7 @@ Data: {profile_userdata: <{profile_userdata_length}} \
 
     return '\n'.join([profile_list_output_header] + profile_list_output)
 
+
 def format_list_task(task_data):
     task_list_output = []
 
diff --git a/client-cli/cli_lib/vm.py b/client-cli/cli_lib/vm.py
index f08492aa..95683daa 100644
--- a/client-cli/cli_lib/vm.py
+++ b/client-cli/cli_lib/vm.py
@@ -26,6 +26,7 @@ import re
 import cli_lib.ansiprint as ansiprint
 from cli_lib.common import call_api, format_bytes, format_metric
 
+
 #
 # Primary functions
 #
@@ -53,6 +54,7 @@ def vm_info(config, vm):
     else:
         return False, response.json().get('message', '')
 
+
 def vm_list(config, limit, target_node, target_state):
     """
     Get list information about VMs (limited by {limit}, {target_node}, or {target_state})
@@ -76,6 +78,7 @@ def vm_list(config, limit, target_node, target_state):
     else:
         return False, response.json().get('message', '')
 
+
 def vm_define(config, xml, node, node_limit, node_selector, node_autostart, migration_method):
     """
     Define a new VM on the cluster
@@ -103,6 +106,7 @@ def vm_define(config, xml, node, node_limit, node_selector, node_autostart, migr
 
     return retstatus, response.json().get('message', '')
 
+
 def vm_modify(config, vm, xml, restart):
     """
     Modify the configuration of VM
@@ -126,6 +130,7 @@ def vm_modify(config, vm, xml, restart):
 
     return retstatus, response.json().get('message', '')
 
+
 def vm_metadata(config, vm, node_limit, node_selector, node_autostart, migration_method, provisioner_profile):
     """
     Modify PVC metadata of a VM
@@ -162,6 +167,7 @@ def vm_metadata(config, vm, node_limit, node_selector, node_autostart, migration
 
     return retstatus, response.json().get('message', '')
 
+
 def vm_remove(config, vm, delete_disks=False):
     """
     Remove a VM
@@ -182,6 +188,7 @@ def vm_remove(config, vm, delete_disks=False):
 
     return retstatus, response.json().get('message', '')
 
+
 def vm_state(config, vm, target_state, wait=False):
     """
     Modify the current state of VM
@@ -203,6 +210,7 @@ def vm_state(config, vm, target_state, wait=False):
 
     return retstatus, response.json().get('message', '')
 
+
 def vm_node(config, vm, target_node, action, force=False, wait=False, force_live=False):
     """
     Modify the current node of VM via {action}
@@ -227,6 +235,7 @@ def vm_node(config, vm, target_node, action, force=False, wait=False, force_live
 
     return retstatus, response.json().get('message', '')
 
+
 def vm_locks(config, vm):
     """
     Flush RBD locks of (stopped) VM
@@ -244,6 +253,7 @@ def vm_locks(config, vm):
 
     return retstatus, response.json().get('message', '')
 
+
 def view_console_log(config, vm, lines=100):
     """
     Return console log lines from the API (and display them in a pager in the main CLI)
@@ -268,6 +278,7 @@ def view_console_log(config, vm, lines=100):
 
     return True, loglines
 
+
 def follow_console_log(config, vm, lines=10):
     """
     Return and follow console log lines from the API
@@ -323,6 +334,7 @@ def follow_console_log(config, vm, lines=10):
 
     return True, ''
 
+
 #
 # Output display functions
 #
@@ -478,6 +490,7 @@ def format_info(config, domain_information, long_output):
     ainformation.append('')
     return '\n'.join(ainformation)
 
+
 def format_list(config, vm_list, raw):
     # Handle single-element lists
     if not isinstance(vm_list, list):
diff --git a/client-cli/cli_lib/zkhandler.py b/client-cli/cli_lib/zkhandler.py
index 6c307432..2cb24b59 100644
--- a/client-cli/cli_lib/zkhandler.py
+++ b/client-cli/cli_lib/zkhandler.py
@@ -22,6 +22,7 @@
 
 import uuid
 
+
 # Exists function
 def exists(zk_conn, key):
     stat = zk_conn.exists(key)
@@ -30,21 +31,25 @@ def exists(zk_conn, key):
     else:
         return False
 
+
 # Child list function
 def listchildren(zk_conn, key):
     children = zk_conn.get_children(key)
     return children
 
+
 # Delete key function
 def deletekey(zk_conn, key, recursive=True):
     zk_conn.delete(key, recursive=recursive)
 
+
 # Data read function
 def readdata(zk_conn, key):
     data_raw = zk_conn.get(key)
     data = data_raw[0].decode('utf8')
     return data
 
+
 # Data write function
 def writedata(zk_conn, kv):
     # Start up a transaction
@@ -83,12 +88,14 @@ def writedata(zk_conn, kv):
     except Exception:
         return False
 
+
 # Write lock function
 def writelock(zk_conn, key):
     lock_id = str(uuid.uuid1())
     lock = zk_conn.WriteLock('{}'.format(key), lock_id)
     return lock
 
+
 # Read lock function
 def readlock(zk_conn, key):
     lock_id = str(uuid.uuid1())
diff --git a/client-cli/pvc.py b/client-cli/pvc.py
index 8c972881..1b580a6e 100755
--- a/client-cli/pvc.py
+++ b/client-cli/pvc.py
@@ -50,6 +50,7 @@ default_store_data = {
     'cfgfile': '/etc/pvc/pvcapid.yaml'  # pvc/api/listen_address, pvc/api/listen_port
 }
 
+
 #
 # Data store handling functions
 #
@@ -69,6 +70,7 @@ def read_from_yaml(cfgfile):
         api_key = 'N/A'
     return host, port, scheme, api_key
 
+
 def get_config(store_data, cluster=None):
     # This is generally static
     prefix = '/api/v1'
@@ -110,12 +112,14 @@ def get_config(store_data, cluster=None):
 
     return config
 
+
 def get_store(store_path):
     store_file = '{}/pvc-cli.json'.format(store_path)
     with open(store_file, 'r') as fh:
         store_data = json.loads(fh.read())
     return store_data
 
+
 def update_store(store_path, store_data):
     store_file = '{}/pvc-cli.json'.format(store_path)
     if not os.path.exists(store_file):
@@ -145,6 +149,7 @@ if not os.path.isfile(store_path + '/pvc-cli.json'):
 
 CONTEXT_SETTINGS = dict(help_option_names=['-h', '--help'], max_content_width=120)
 
+
 def cleanup(retcode, retmsg):
     if retcode is True:
         if retmsg != '':
@@ -155,6 +160,7 @@ def cleanup(retcode, retmsg):
             click.echo(retmsg)
         exit(1)
 
+
 ###############################################################################
 # pvc cluster
 ###############################################################################
@@ -165,6 +171,7 @@ def cli_cluster():
     """
     pass
 
+
 ###############################################################################
 # pvc cluster add
 ###############################################################################
@@ -210,6 +217,7 @@ def cluster_add(address, port, ssl, name, api_key):
     update_store(store_path, existing_config)
     click.echo('Added new cluster "{}" at host "{}" to local database'.format(name, address))
 
+
 ###############################################################################
 # pvc cluster remove
 ###############################################################################
@@ -232,6 +240,7 @@ def cluster_remove(name):
     update_store(store_path, existing_config)
     click.echo('Removed cluster "{}" from local database'.format(name))
 
+
 ###############################################################################
 # pvc cluster list
 ###############################################################################
@@ -338,6 +347,7 @@ def cluster_list():
             )
         )
 
+
 # Validate that the cluster is set for a given command
 def cluster_req(function):
     @wraps(function)
@@ -357,6 +367,8 @@ def cli_node():
     """
     Manage the state of a node in the PVC cluster.
     """
+    pass
+
 
 ###############################################################################
 # pvc node secondary
@@ -402,6 +414,7 @@ def node_secondary(node, wait):
                     time.sleep(0.5)
         cleanup(retcode, retmsg)
 
+
 ###############################################################################
 # pvc node primary
 ###############################################################################
@@ -446,6 +459,7 @@ def node_primary(node, wait):
                     time.sleep(0.5)
         cleanup(retcode, retmsg)
 
+
 ###############################################################################
 # pvc node flush
 ###############################################################################
@@ -466,6 +480,7 @@ def node_flush(node, wait):
     retcode, retmsg = pvc_node.node_domain_state(config, node, 'flush', wait)
     cleanup(retcode, retmsg)
 
+
 ###############################################################################
 # pvc node ready/unflush
 ###############################################################################
@@ -486,6 +501,7 @@ def node_ready(node, wait):
     retcode, retmsg = pvc_node.node_domain_state(config, node, 'ready', wait)
     cleanup(retcode, retmsg)
 
+
 @click.command(name='unflush', short_help='Restore node to service.')
 @click.argument(
     'node', default=myhostname
@@ -502,6 +518,7 @@ def node_unflush(node, wait):
     retcode, retmsg = pvc_node.node_domain_state(config, node, 'ready', wait)
     cleanup(retcode, retmsg)
 
+
 ###############################################################################
 # pvc node info
 ###############################################################################
@@ -524,6 +541,7 @@ def node_info(node, long_output):
         retdata = pvc_node.format_info(retdata, long_output)
     cleanup(retcode, retdata)
 
+
 ###############################################################################
 # pvc node list
 ###############################################################################
@@ -561,6 +579,7 @@ def node_list(limit, target_daemon_state, target_coordinator_state, target_domai
             retdata = ""
     cleanup(retcode, retdata)
 
+
 ###############################################################################
 # pvc vm
 ###############################################################################
@@ -569,6 +588,8 @@ def cli_vm():
     """
     Manage the state of a virtual machine in the PVC cluster.
     """
+    pass
+
 
 ###############################################################################
 # pvc vm define
@@ -619,6 +640,7 @@ def vm_define(vmconfig, target_node, node_limit, node_selector, node_autostart,
     retcode, retmsg = pvc_vm.vm_define(config, new_cfg, target_node, node_limit, node_selector, node_autostart, migration_method)
     cleanup(retcode, retmsg)
 
+
 ###############################################################################
 # pvc vm meta
 ###############################################################################
@@ -660,6 +682,7 @@ def vm_meta(domain, node_limit, node_selector, node_autostart, migration_method,
     retcode, retmsg = pvc_vm.vm_metadata(config, domain, node_limit, node_selector, node_autostart, migration_method, provisioner_profile)
     cleanup(retcode, retmsg)
 
+
 ###############################################################################
 # pvc vm modify
 ###############################################################################
@@ -748,6 +771,7 @@ def vm_modify(domain, cfgfile, editor, restart):
     retcode, retmsg = pvc_vm.vm_modify(config, domain, new_cfg, restart)
     cleanup(retcode, retmsg)
 
+
 ###############################################################################
 # pvc vm undefine
 ###############################################################################
@@ -774,6 +798,7 @@ def vm_undefine(domain, confirm_flag):
     retcode, retmsg = pvc_vm.vm_remove(config, domain, delete_disks=False)
     cleanup(retcode, retmsg)
 
+
 ###############################################################################
 # pvc vm remove
 ###############################################################################
@@ -800,6 +825,7 @@ def vm_remove(domain, confirm_flag):
     retcode, retmsg = pvc_vm.vm_remove(config, domain, delete_disks=True)
     cleanup(retcode, retmsg)
 
+
 ###############################################################################
 # pvc vm start
 ###############################################################################
@@ -816,6 +842,7 @@ def vm_start(domain):
     retcode, retmsg = pvc_vm.vm_state(config, domain, 'start')
     cleanup(retcode, retmsg)
 
+
 ###############################################################################
 # pvc vm restart
 ###############################################################################
@@ -836,6 +863,7 @@ def vm_restart(domain, wait):
     retcode, retmsg = pvc_vm.vm_state(config, domain, 'restart', wait=wait)
     cleanup(retcode, retmsg)
 
+
 ###############################################################################
 # pvc vm shutdown
 ###############################################################################
@@ -856,6 +884,7 @@ def vm_shutdown(domain, wait):
     retcode, retmsg = pvc_vm.vm_state(config, domain, 'shutdown', wait=wait)
     cleanup(retcode, retmsg)
 
+
 ###############################################################################
 # pvc vm stop
 ###############################################################################
@@ -872,6 +901,7 @@ def vm_stop(domain):
     retcode, retmsg = pvc_vm.vm_state(config, domain, 'stop')
     cleanup(retcode, retmsg)
 
+
 ###############################################################################
 # pvc vm disable
 ###############################################################################
@@ -890,6 +920,7 @@ def vm_disable(domain):
     retcode, retmsg = pvc_vm.vm_state(config, domain, 'disable')
     cleanup(retcode, retmsg)
 
+
 ###############################################################################
 # pvc vm move
 ###############################################################################
@@ -918,6 +949,7 @@ def vm_move(domain, target_node, wait, force_live):
     retcode, retmsg = pvc_vm.vm_node(config, domain, target_node, 'move', force=False, wait=wait, force_live=force_live)
     cleanup(retcode, retmsg)
 
+
 ###############################################################################
 # pvc vm migrate
 ###############################################################################
@@ -950,6 +982,7 @@ def vm_migrate(domain, target_node, force_migrate, wait, force_live):
     retcode, retmsg = pvc_vm.vm_node(config, domain, target_node, 'migrate', force=force_migrate, wait=wait, force_live=force_live)
     cleanup(retcode, retmsg)
 
+
 ###############################################################################
 # pvc vm unmigrate
 ###############################################################################
@@ -974,6 +1007,7 @@ def vm_unmigrate(domain, wait, force_live):
     retcode, retmsg = pvc_vm.vm_node(config, domain, None, 'unmigrate', force=False, wait=wait, force_live=force_live)
     cleanup(retcode, retmsg)
 
+
 ###############################################################################
 # pvc vm flush-locks
 ###############################################################################
@@ -990,6 +1024,7 @@ def vm_flush_locks(domain):
     retcode, retmsg = pvc_vm.vm_locks(config, domain)
     cleanup(retcode, retmsg)
 
+
 ###############################################################################
 # pvc vm log
 ###############################################################################
@@ -1026,6 +1061,7 @@ def vm_log(domain, lines, follow):
         retmsg = ''
     cleanup(retcode, retmsg)
 
+
 ###############################################################################
 # pvc vm info
 ###############################################################################
@@ -1048,6 +1084,7 @@ def vm_info(domain, long_output):
         retdata = pvc_vm.format_info(config, retdata, long_output)
     cleanup(retcode, retdata)
 
+
 ###############################################################################
 # pvc vm dump
 ###############################################################################
@@ -1071,6 +1108,7 @@ def vm_dump(domain):
     current_vm_cfgfile = etree.tostring(xml_data, pretty_print=True).decode('utf8')
     click.echo(current_vm_cfgfile.strip())
 
+
 ###############################################################################
 # pvc vm list
 ###############################################################################
@@ -1106,6 +1144,7 @@ def vm_list(target_node, target_state, limit, raw):
             retdata = ""
     cleanup(retcode, retdata)
 
+
 ###############################################################################
 # pvc network
 ###############################################################################
@@ -1114,6 +1153,8 @@ def cli_network():
     """
     Manage the state of a VXLAN network in the PVC cluster.
     """
+    pass
+
 
 ###############################################################################
 # pvc network add
@@ -1200,6 +1241,7 @@ def net_add(vni, description, nettype, domain, ip_network, ip_gateway, ip6_netwo
     retcode, retmsg = pvc_network.net_add(config, vni, description, nettype, domain, name_servers, ip_network, ip_gateway, ip6_network, ip6_gateway, dhcp_flag, dhcp_start, dhcp_end)
     cleanup(retcode, retmsg)
 
+
 ###############################################################################
 # pvc network modify
 ###############################################################################
@@ -1270,6 +1312,7 @@ def net_modify(vni, description, domain, name_servers, ip6_network, ip6_gateway,
     retcode, retmsg = pvc_network.net_modify(config, vni, description, domain, name_servers, ip4_network, ip4_gateway, ip6_network, ip6_gateway, dhcp_flag, dhcp_start, dhcp_end)
     cleanup(retcode, retmsg)
 
+
 ###############################################################################
 # pvc network remove
 ###############################################################################
@@ -1299,6 +1342,7 @@ def net_remove(net, confirm_flag):
     retcode, retmsg = pvc_network.net_remove(config, net)
     cleanup(retcode, retmsg)
 
+
 ###############################################################################
 # pvc network info
 ###############################################################################
@@ -1321,6 +1365,7 @@ def net_info(vni, long_output):
         retdata = pvc_network.format_info(config, retdata, long_output)
     cleanup(retcode, retdata)
 
+
 ###############################################################################
 # pvc network list
 ###############################################################################
@@ -1339,6 +1384,7 @@ def net_list(limit):
         retdata = pvc_network.format_list(config, retdata)
     cleanup(retcode, retdata)
 
+
 ###############################################################################
 # pvc network dhcp
 ###############################################################################
@@ -1347,6 +1393,8 @@ def net_dhcp():
     """
     Manage host IPv4 DHCP leases of a VXLAN network in the PVC cluster.
     """
+    pass
+
 
 ###############################################################################
 # pvc network dhcp add
@@ -1373,6 +1421,7 @@ def net_dhcp_add(net, ipaddr, macaddr, hostname):
     retcode, retmsg = pvc_network.net_dhcp_add(config, net, ipaddr, macaddr, hostname)
     cleanup(retcode, retmsg)
 
+
 ###############################################################################
 # pvc network dhcp remove
 ###############################################################################
@@ -1402,6 +1451,7 @@ def net_dhcp_remove(net, macaddr, confirm_flag):
     retcode, retmsg = pvc_network.net_dhcp_remove(config, net, macaddr)
     cleanup(retcode, retmsg)
 
+
 ###############################################################################
 # pvc network dhcp list
 ###############################################################################
@@ -1427,6 +1477,7 @@ def net_dhcp_list(net, limit, only_static):
         retdata = pvc_network.format_list_dhcp(retdata)
     cleanup(retcode, retdata)
 
+
 ###############################################################################
 # pvc network acl
 ###############################################################################
@@ -1435,6 +1486,8 @@ def net_acl():
     """
     Manage firewall ACLs of a VXLAN network in the PVC cluster.
     """
+    pass
+
 
 ###############################################################################
 # pvc network acl add
@@ -1487,6 +1540,7 @@ def net_acl_add(net, direction, description, rule, order):
     retcode, retmsg = pvc_network.net_acl_add(config, net, direction, description, rule, order)
     cleanup(retcode, retmsg)
 
+
 ###############################################################################
 # pvc network acl remove
 ###############################################################################
@@ -1550,6 +1604,7 @@ def net_acl_list(net, limit, direction):
         retdata = pvc_network.format_list_acl(retdata)
     cleanup(retcode, retdata)
 
+
 ###############################################################################
 # pvc storage
 ###############################################################################
@@ -1563,6 +1618,8 @@ def cli_storage():
     """
     Manage the storage of the PVC cluster.
     """
+    pass
+
 
 ###############################################################################
 # pvc storage status
@@ -1579,6 +1636,7 @@ def ceph_status():
         retdata = pvc_ceph.format_raw_output(retdata)
     cleanup(retcode, retdata)
 
+
 ###############################################################################
 # pvc storage util
 ###############################################################################
@@ -1594,6 +1652,7 @@ def ceph_util():
         retdata = pvc_ceph.format_raw_output(retdata)
     cleanup(retcode, retdata)
 
+
 ###############################################################################
 # pvc storage benchmark
 ###############################################################################
@@ -1603,6 +1662,8 @@ def ceph_benchmark():
     """
     Run or view benchmarks of the storage cluster.
     """
+    pass
+
 
 ###############################################################################
 # pvc storage benchmark run
@@ -1624,6 +1685,7 @@ def ceph_benchmark_run(pool):
     retcode, retmsg = pvc_ceph.ceph_benchmark_run(config, pool)
     cleanup(retcode, retmsg)
 
+
 ###############################################################################
 # pvc storage benchmark info
 ###############################################################################
@@ -1642,6 +1704,7 @@ def ceph_benchmark_info(job):
         retdata = pvc_ceph.format_info_benchmark(config, retdata)
     cleanup(retcode, retdata)
 
+
 ###############################################################################
 # pvc storage benchmark list
 ###############################################################################
@@ -1660,6 +1723,7 @@ def ceph_benchmark_list(job):
         retdata = pvc_ceph.format_list_benchmark(config, retdata)
     cleanup(retcode, retdata)
 
+
 ###############################################################################
 # pvc storage osd
 ###############################################################################
@@ -1668,6 +1732,8 @@ def ceph_osd():
     """
     Manage the Ceph OSDs of the PVC cluster.
     """
+    pass
+
 
 ###############################################################################
 # pvc storage osd add
@@ -1703,6 +1769,7 @@ def ceph_osd_add(node, device, weight, confirm_flag):
     retcode, retmsg = pvc_ceph.ceph_osd_add(config, node, device, weight)
     cleanup(retcode, retmsg)
 
+
 ###############################################################################
 # pvc storage osd remove
 ###############################################################################
@@ -1731,6 +1798,7 @@ def ceph_osd_remove(osdid, confirm_flag):
     retcode, retmsg = pvc_ceph.ceph_osd_remove(config, osdid)
     cleanup(retcode, retmsg)
 
+
 ###############################################################################
 # pvc storage osd in
 ###############################################################################
@@ -1747,6 +1815,7 @@ def ceph_osd_in(osdid):
     retcode, retmsg = pvc_ceph.ceph_osd_state(config, osdid, 'in')
     cleanup(retcode, retmsg)
 
+
 ###############################################################################
 # pvc storage osd out
 ###############################################################################
@@ -1763,6 +1832,7 @@ def ceph_osd_out(osdid):
     retcode, retmsg = pvc_ceph.ceph_osd_state(config, osdid, 'out')
     cleanup(retcode, retmsg)
 
+
 ###############################################################################
 # pvc storage osd set
 ###############################################################################
@@ -1783,6 +1853,7 @@ def ceph_osd_set(osd_property):
     retcode, retmsg = pvc_ceph.ceph_osd_option(config, osd_property, 'set')
     cleanup(retcode, retmsg)
 
+
 ###############################################################################
 # pvc storage osd unset
 ###############################################################################
@@ -1803,6 +1874,7 @@ def ceph_osd_unset(osd_property):
     retcode, retmsg = pvc_ceph.ceph_osd_option(config, osd_property, 'unset')
     cleanup(retcode, retmsg)
 
+
 ###############################################################################
 # pvc storage osd list
 ###############################################################################
@@ -1821,6 +1893,7 @@ def ceph_osd_list(limit):
         retdata = pvc_ceph.format_list_osd(retdata)
     cleanup(retcode, retdata)
 
+
 ###############################################################################
 # pvc storage pool
 ###############################################################################
@@ -1829,6 +1902,8 @@ def ceph_pool():
     """
     Manage the Ceph RBD pools of the PVC cluster.
     """
+    pass
+
 
 ###############################################################################
 # pvc storage pool add
@@ -1858,6 +1933,7 @@ def ceph_pool_add(name, pgs, replcfg):
     retcode, retmsg = pvc_ceph.ceph_pool_add(config, name, pgs, replcfg)
     cleanup(retcode, retmsg)
 
+
 ###############################################################################
 # pvc storage pool remove
 ###############################################################################
@@ -1886,6 +1962,7 @@ def ceph_pool_remove(name, confirm_flag):
     retcode, retmsg = pvc_ceph.ceph_pool_remove(config, name)
     cleanup(retcode, retmsg)
 
+
 ###############################################################################
 # pvc storage pool list
 ###############################################################################
@@ -1904,6 +1981,7 @@ def ceph_pool_list(limit):
         retdata = pvc_ceph.format_list_pool(retdata)
     cleanup(retcode, retdata)
 
+
 ###############################################################################
 # pvc storage volume
 ###############################################################################
@@ -1912,6 +1990,8 @@ def ceph_volume():
     """
     Manage the Ceph RBD volumes of the PVC cluster.
     """
+    pass
+
 
 ###############################################################################
 # pvc storage volume add
@@ -1935,6 +2015,7 @@ def ceph_volume_add(pool, name, size):
     retcode, retmsg = pvc_ceph.ceph_volume_add(config, pool, name, size)
     cleanup(retcode, retmsg)
 
+
 ###############################################################################
 # pvc storage volume upload
 ###############################################################################
@@ -1970,6 +2051,7 @@ def ceph_volume_upload(pool, name, image_format, image_file):
     retcode, retmsg = pvc_ceph.ceph_volume_upload(config, pool, name, image_format, image_file)
     cleanup(retcode, retmsg)
 
+
 ###############################################################################
 # pvc storage volume remove
 ###############################################################################
@@ -2001,6 +2083,7 @@ def ceph_volume_remove(pool, name, confirm_flag):
     retcode, retmsg = pvc_ceph.ceph_volume_remove(config, pool, name)
     cleanup(retcode, retmsg)
 
+
 ###############################################################################
 # pvc storage volume resize
 ###############################################################################
@@ -2022,6 +2105,7 @@ def ceph_volume_resize(pool, name, size):
     retcode, retmsg = pvc_ceph.ceph_volume_modify(config, pool, name, new_size=size)
     cleanup(retcode, retmsg)
 
+
 ###############################################################################
 # pvc storage volume rename
 ###############################################################################
@@ -2043,6 +2127,7 @@ def ceph_volume_rename(pool, name, new_name):
     retcode, retmsg = pvc_ceph.ceph_volume_modify(config, pool, name, new_name=new_name)
     cleanup(retcode, retmsg)
 
+
 ###############################################################################
 # pvc storage volume clone
 ###############################################################################
@@ -2064,6 +2149,7 @@ def ceph_volume_clone(pool, name, new_name):
     retcode, retmsg = pvc_ceph.ceph_volume_clone(config, pool, name, new_name)
     cleanup(retcode, retmsg)
 
+
 ###############################################################################
 # pvc storage volume list
 ###############################################################################
@@ -2087,6 +2173,7 @@ def ceph_volume_list(limit, pool):
         retdata = pvc_ceph.format_list_volume(retdata)
     cleanup(retcode, retdata)
 
+
 ###############################################################################
 # pvc storage volume snapshot
 ###############################################################################
@@ -2095,6 +2182,8 @@ def ceph_volume_snapshot():
     """
     Manage the Ceph RBD volume snapshots of the PVC cluster.
     """
+    pass
+
 
 ###############################################################################
 # pvc storage volume snapshot add
@@ -2118,6 +2207,7 @@ def ceph_volume_snapshot_add(pool, volume, name):
     retcode, retmsg = pvc_ceph.ceph_snapshot_add(config, pool, volume, name)
     cleanup(retcode, retmsg)
 
+
 ###############################################################################
 # pvc storage volume snapshot rename
 ###############################################################################
@@ -2142,6 +2232,7 @@ def ceph_volume_snapshot_rename(pool, volume, name, new_name):
     retcode, retmsg = pvc_ceph.ceph_snapshot_modify(config, pool, volume, name, new_name=new_name)
     cleanup(retcode, retmsg)
 
+
 ###############################################################################
 # pvc storage volume snapshot remove
 ###############################################################################
@@ -2176,6 +2267,7 @@ def ceph_volume_snapshot_remove(pool, volume, name, confirm_flag):
     retcode, retmsg = pvc_ceph.ceph_snapshot_remove(config, pool, volume, name)
     cleanup(retcode, retmsg)
 
+
 ###############################################################################
 # pvc storage volume snapshot list
 ###############################################################################
@@ -2213,6 +2305,8 @@ def cli_provisioner():
     """
     Manage the PVC provisioner.
     """
+    pass
+
 
 ###############################################################################
 # pvc provisioner template
@@ -2222,6 +2316,7 @@ def provisioner_template():
     """
     Manage the PVC provisioner template system.
     """
+    pass
 
 
 ###############################################################################
@@ -2241,6 +2336,7 @@ def provisioner_template_list(limit):
         retdata = pvc_provisioner.format_list_template(retdata)
     cleanup(retcode, retdata)
 
+
 ###############################################################################
 # pvc provisioner template system
 ###############################################################################
@@ -2249,6 +2345,8 @@ def provisioner_template_system():
     """
     Manage the PVC provisioner system templates.
     """
+    pass
+
 
 ###############################################################################
 # pvc provisioner template system list
@@ -2267,6 +2365,7 @@ def provisioner_template_system_list(limit):
         retdata = pvc_provisioner.format_list_template(retdata, template_type='system')
     cleanup(retcode, retdata)
 
+
 ###############################################################################
 # pvc provisioner template system add
 ###############################################################################
@@ -2346,6 +2445,7 @@ def provisioner_template_system_add(name, vcpus, vram, serial, vnc, vnc_bind, no
     retcode, retdata = pvc_provisioner.template_add(config, params, template_type='system')
     cleanup(retcode, retdata)
 
+
 ###############################################################################
 # pvc provisioner template system modify
 ###############################################################################
@@ -2416,6 +2516,7 @@ def provisioner_template_system_modify(name, vcpus, vram, serial, vnc, vnc_bind,
     retcode, retdata = pvc_provisioner.template_modify(config, params, name, template_type='system')
     cleanup(retcode, retdata)
 
+
 ###############################################################################
 # pvc provisioner template system remove
 ###############################################################################
@@ -2451,6 +2552,8 @@ def provisioner_template_network():
     """
     Manage the PVC provisioner network templates.
     """
+    pass
+
 
 ###############################################################################
 # pvc provisioner template network list
@@ -2469,6 +2572,7 @@ def provisioner_template_network_list(limit):
         retdata = pvc_provisioner.format_list_template(retdata, template_type='network')
     cleanup(retcode, retdata)
 
+
 ###############################################################################
 # pvc provisioner template network add
 ###############################################################################
@@ -2519,6 +2623,7 @@ def provisioner_template_network_add(name, mac_template):
     retcode, retdata = pvc_provisioner.template_add(config, params, template_type='network')
     cleanup(retcode, retdata)
 
+
 ###############################################################################
 # pvc provisioner template network remove
 ###############################################################################
@@ -2545,6 +2650,7 @@ def provisioner_template_network_remove(name, confirm_flag):
     retcode, retdata = pvc_provisioner.template_remove(config, name, template_type='network')
     cleanup(retcode, retdata)
 
+
 ###############################################################################
 # pvc provisioner template network vni
 ###############################################################################
@@ -2553,6 +2659,8 @@ def provisioner_template_network_vni():
     """
     Manage the network VNIs in PVC provisioner network templates.
     """
+    pass
+
 
 ###############################################################################
 # pvc provisioner template network vni add
@@ -2576,6 +2684,7 @@ def provisioner_template_network_vni_add(name, vni):
     retcode, retdata = pvc_provisioner.template_element_add(config, name, vni, params, element_type='net', template_type='network')
     cleanup(retcode, retdata)
 
+
 ###############################################################################
 # pvc provisioner template network vni remove
 ###############################################################################
@@ -2614,6 +2723,8 @@ def provisioner_template_storage():
     """
     Manage the PVC provisioner storage templates.
     """
+    pass
+
 
 ###############################################################################
 # pvc provisioner template storage list
@@ -2632,6 +2743,7 @@ def provisioner_template_storage_list(limit):
         retdata = pvc_provisioner.format_list_template(retdata, template_type='storage')
     cleanup(retcode, retdata)
 
+
 ###############################################################################
 # pvc provisioner template storage add
 ###############################################################################
@@ -2650,6 +2762,7 @@ def provisioner_template_storage_add(name):
     retcode, retdata = pvc_provisioner.template_add(config, params, template_type='storage')
     cleanup(retcode, retdata)
 
+
 ###############################################################################
 # pvc provisioner template storage remove
 ###############################################################################
@@ -2676,6 +2789,7 @@ def provisioner_template_storage_remove(name, confirm_flag):
     retcode, retdata = pvc_provisioner.template_remove(config, name, template_type='storage')
     cleanup(retcode, retdata)
 
+
 ###############################################################################
 # pvc provisioner template storage disk
 ###############################################################################
@@ -2684,6 +2798,8 @@ def provisioner_template_storage_disk():
     """
     Manage the disks in PVC provisioner storage templates.
     """
+    pass
+
 
 ###############################################################################
 # pvc provisioner template storage disk add
@@ -2760,6 +2876,7 @@ def provisioner_template_storage_disk_add(name, disk, pool, source_volume, size,
     retcode, retdata = pvc_provisioner.template_element_add(config, name, disk, params, element_type='disk', template_type='storage')
     cleanup(retcode, retdata)
 
+
 ###############################################################################
 # pvc provisioner template storage disk remove
 ###############################################################################
@@ -2800,6 +2917,8 @@ def provisioner_userdata():
     """
     Manage userdata documents in the PVC provisioner.
     """
+    pass
+
 
 ###############################################################################
 # pvc provisioner userdata list
@@ -2827,6 +2946,7 @@ def provisioner_userdata_list(limit, full):
         retdata = pvc_provisioner.format_list_userdata(retdata, lines)
     cleanup(retcode, retdata)
 
+
 ###############################################################################
 # pvc provisioner userdata show
 ###############################################################################
@@ -2842,6 +2962,7 @@ def provisioner_userdata_show(name):
     retcode, retdata = pvc_provisioner.userdata_show(config, name)
     cleanup(retcode, retdata)
 
+
 ###############################################################################
 # pvc provisioner userdata add
 ###############################################################################
@@ -2874,6 +2995,7 @@ def provisioner_userdata_add(name, filename):
     retcode, retmsg = pvc_provisioner.userdata_add(config, params)
     cleanup(retcode, retmsg)
 
+
 ###############################################################################
 # pvc provisioner userdata modify
 ###############################################################################
@@ -2949,6 +3071,7 @@ def provisioner_userdata_modify(name, filename, editor):
     retcode, retmsg = pvc_provisioner.userdata_modify(config, name, params)
     cleanup(retcode, retmsg)
 
+
 ###############################################################################
 # pvc provisioner userdata remove
 ###############################################################################
@@ -2984,6 +3107,8 @@ def provisioner_script():
     """
     Manage scripts in the PVC provisioner.
     """
+    pass
+
 
 ###############################################################################
 # pvc provisioner script list
@@ -3011,6 +3136,7 @@ def provisioner_script_list(limit, full):
         retdata = pvc_provisioner.format_list_script(retdata, lines)
     cleanup(retcode, retdata)
 
+
 ###############################################################################
 # pvc provisioner script show
 ###############################################################################
@@ -3026,6 +3152,7 @@ def provisioner_script_show(name):
     retcode, retdata = pvc_provisioner.script_show(config, name)
     cleanup(retcode, retdata)
 
+
 ###############################################################################
 # pvc provisioner script add
 ###############################################################################
@@ -3053,6 +3180,7 @@ def provisioner_script_add(name, filename):
     retcode, retmsg = pvc_provisioner.script_add(config, params)
     cleanup(retcode, retmsg)
 
+
 ###############################################################################
 # pvc provisioner script modify
 ###############################################################################
@@ -3122,6 +3250,7 @@ def provisioner_script_modify(name, filename, editor):
     retcode, retmsg = pvc_provisioner.script_modify(config, name, params)
     cleanup(retcode, retmsg)
 
+
 ###############################################################################
 # pvc provisioner script remove
 ###############################################################################
@@ -3157,6 +3286,8 @@ def provisioner_ova():
     """
     Manage ovas in the PVC provisioner.
     """
+    pass
+
 
 ###############################################################################
 # pvc provisioner ova list
@@ -3175,6 +3306,7 @@ def provisioner_ova_list(limit):
         retdata = pvc_provisioner.format_list_ova(retdata)
     cleanup(retcode, retdata)
 
+
 ###############################################################################
 # pvc provisioner ova upload
 ###############################################################################
@@ -3214,6 +3346,7 @@ def provisioner_ova_upload(name, filename, pool):
     retcode, retdata = pvc_provisioner.ova_upload(config, name, filename, params)
     cleanup(retcode, retdata)
 
+
 ###############################################################################
 # pvc provisioner ova remove
 ###############################################################################
@@ -3249,6 +3382,8 @@ def provisioner_profile():
     """
     Manage profiles in the PVC provisioner.
     """
+    pass
+
 
 ###############################################################################
 # pvc provisioner profile list
@@ -3267,6 +3402,7 @@ def provisioner_profile_list(limit):
         retdata = pvc_provisioner.format_list_profile(retdata)
     cleanup(retcode, retdata)
 
+
 ###############################################################################
 # pvc provisioner profile add
 ###############################################################################
@@ -3328,6 +3464,7 @@ def provisioner_profile_add(name, profile_type, system_template, network_templat
     retcode, retdata = pvc_provisioner.profile_add(config, params)
     cleanup(retcode, retdata)
 
+
 ###############################################################################
 # pvc provisioner profile modify
 ###############################################################################
@@ -3394,6 +3531,7 @@ def provisioner_profile_modify(name, system_template, network_template, storage_
     retcode, retdata = pvc_provisioner.profile_modify(config, name, params)
     cleanup(retcode, retdata)
 
+
 ###############################################################################
 # pvc provisioner profile remove
 ###############################################################################
@@ -3520,6 +3658,7 @@ def provisioner_create(name, profile, wait_flag, define_flag, start_flag, script
 
     cleanup(retcode, retdata)
 
+
 ###############################################################################
 # pvc provisioner status
 ###############################################################################
@@ -3546,6 +3685,8 @@ def cli_maintenance():
     """
     Manage the maintenance mode of the PVC cluster.
     """
+    pass
+
 
 ###############################################################################
 # pvc maintenance on
@@ -3559,6 +3700,7 @@ def maintenance_on():
     retcode, retdata = pvc_cluster.maintenance_mode(config, 'true')
     cleanup(retcode, retdata)
 
+
 ###############################################################################
 # pvc maintenance off
 ###############################################################################
@@ -3592,6 +3734,7 @@ def status_cluster(oformat):
         retdata = pvc_cluster.format_info(retdata, oformat)
     cleanup(retcode, retdata)
 
+
 ###############################################################################
 # pvc init
 ###############################################################################
@@ -3619,6 +3762,7 @@ def init_cluster(confirm_flag):
     retcode, retmsg = pvc_cluster.initialize(config)
     cleanup(retcode, retmsg)
 
+
 ###############################################################################
 # pvc
 ###############################################################################
diff --git a/daemon-common/ceph.py b/daemon-common/ceph.py
index 94db6d37..74b7ccfb 100644
--- a/daemon-common/ceph.py
+++ b/daemon-common/ceph.py
@@ -31,6 +31,7 @@ import daemon_lib.ansiprint as ansiprint
 import daemon_lib.zkhandler as zkhandler
 import daemon_lib.common as common
 
+
 #
 # Supplemental functions
 #
@@ -42,6 +43,7 @@ def verifyOSD(zk_conn, osd_id):
     else:
         return False
 
+
 # Verify Pool is valid in cluster
 def verifyPool(zk_conn, name):
     if zkhandler.exists(zk_conn, '/ceph/pools/{}'.format(name)):
@@ -49,6 +51,7 @@ def verifyPool(zk_conn, name):
     else:
         return False
 
+
 # Verify Volume is valid in cluster
 def verifyVolume(zk_conn, pool, name):
     if zkhandler.exists(zk_conn, '/ceph/volumes/{}/{}'.format(pool, name)):
@@ -56,6 +59,7 @@ def verifyVolume(zk_conn, pool, name):
     else:
         return False
 
+
 # Verify Snapshot is valid in cluster
 def verifySnapshot(zk_conn, pool, volume, name):
     if zkhandler.exists(zk_conn, '/ceph/snapshots/{}/{}/{}'.format(pool, volume, name)):
@@ -63,6 +67,7 @@ def verifySnapshot(zk_conn, pool, volume, name):
     else:
         return False
 
+
 # Verify OSD path is valid in cluster
 def verifyOSDBlock(zk_conn, node, device):
     for osd in zkhandler.listchildren(zk_conn, '/ceph/osds'):
@@ -73,7 +78,7 @@ def verifyOSDBlock(zk_conn, node, device):
     return None
 
 
-# Format byte sizes to/from human-readable units
+# Matrix of human-to-byte values
 byte_unit_matrix = {
     'B': 1,
     'K': 1024,
@@ -82,6 +87,19 @@ byte_unit_matrix = {
     'T': 1024*1024*1024*1024,
     'P': 1024*1024*1024*1024*1024
 }
+
+# Matrix of human-to-metric values
+ops_unit_matrix = {
+    '': 1,
+    'K': 1000,
+    'M': 1000*1000,
+    'G': 1000*1000*1000,
+    'T': 1000*1000*1000*1000,
+    'P': 1000*1000*1000*1000*1000
+}
+
+
+# Format byte sizes to/from human-readable units
 def format_bytes_tohuman(databytes):
     datahuman = ''
     for unit in sorted(byte_unit_matrix, key=byte_unit_matrix.get, reverse=True):
@@ -96,6 +114,7 @@ def format_bytes_tohuman(databytes):
 
     return datahuman
 
+
 def format_bytes_fromhuman(datahuman):
     # Trim off human-readable character
     dataunit = str(datahuman)[-1]
@@ -108,14 +127,6 @@ def format_bytes_fromhuman(datahuman):
 
 
 # Format ops sizes to/from human-readable units
-ops_unit_matrix = {
-    '': 1,
-    'K': 1000,
-    'M': 1000*1000,
-    'G': 1000*1000*1000,
-    'T': 1000*1000*1000*1000,
-    'P': 1000*1000*1000*1000*1000
-}
 def format_ops_tohuman(dataops):
     datahuman = ''
     for unit in sorted(ops_unit_matrix, key=ops_unit_matrix.get, reverse=True):
@@ -130,6 +141,7 @@ def format_ops_tohuman(dataops):
 
     return datahuman
 
+
 def format_ops_fromhuman(datahuman):
     # Trim off human-readable character
     dataunit = datahuman[-1]
@@ -137,10 +149,12 @@ def format_ops_fromhuman(datahuman):
     dataops = datasize * ops_unit_matrix[dataunit]
     return '{}'.format(dataops)
 
+
 def format_pct_tohuman(datapct):
     datahuman = "{0:.1f}".format(float(datapct * 100.0))
     return datahuman
 
+
 #
 # Status functions
 #
@@ -156,6 +170,7 @@ def get_status(zk_conn):
     }
     return True, status_data
 
+
 def get_util(zk_conn):
     primary_node = zkhandler.readdata(zk_conn, '/primary_node')
     ceph_df = zkhandler.readdata(zk_conn, '/ceph/util').rstrip()
@@ -177,6 +192,7 @@ def getClusterOSDList(zk_conn):
     osd_list = zkhandler.listchildren(zk_conn, '/ceph/osds')
     return osd_list
 
+
 def getOSDInformation(zk_conn, osd_id):
     # Parse the stats data
     osd_stats_raw = zkhandler.readdata(zk_conn, '/ceph/osds/{}/stats'.format(osd_id))
@@ -188,6 +204,7 @@ def getOSDInformation(zk_conn, osd_id):
     }
     return osd_information
 
+
 def getOutputColoursOSD(osd_information):
     # Set the UP status
     if osd_information['stats']['up'] == 1:
@@ -207,6 +224,7 @@ def getOutputColoursOSD(osd_information):
 
     return osd_up_flag, osd_up_colour, osd_in_flag, osd_in_colour
 
+
 # OSD addition and removal uses the /cmd/ceph pipe
 # These actions must occur on the specific node they reference
 def add_osd(zk_conn, node, device, weight):
@@ -247,6 +265,7 @@ def add_osd(zk_conn, node, device, weight):
 
     return success, message
 
+
 def remove_osd(zk_conn, osd_id):
     if not verifyOSD(zk_conn, osd_id):
         return False, 'ERROR: No OSD with ID "{}" is present in the cluster.'.format(osd_id)
@@ -279,6 +298,7 @@ def remove_osd(zk_conn, osd_id):
 
     return success, message
 
+
 def in_osd(zk_conn, osd_id):
     if not verifyOSD(zk_conn, osd_id):
         return False, 'ERROR: No OSD with ID "{}" is present in the cluster.'.format(osd_id)
@@ -289,6 +309,7 @@ def in_osd(zk_conn, osd_id):
 
     return True, 'Set OSD {} online.'.format(osd_id)
 
+
 def out_osd(zk_conn, osd_id):
     if not verifyOSD(zk_conn, osd_id):
         return False, 'ERROR: No OSD with ID "{}" is present in the cluster.'.format(osd_id)
@@ -299,6 +320,7 @@ def out_osd(zk_conn, osd_id):
 
     return True, 'Set OSD {} offline.'.format(osd_id)
 
+
 def set_osd(zk_conn, option):
     retcode, stdout, stderr = common.run_os_command('ceph osd set {}'.format(option))
     if retcode:
@@ -306,6 +328,7 @@ def set_osd(zk_conn, option):
 
     return True, 'Set OSD property "{}".'.format(option)
 
+
 def unset_osd(zk_conn, option):
     retcode, stdout, stderr = common.run_os_command('ceph osd unset {}'.format(option))
     if retcode:
@@ -313,6 +336,7 @@ def unset_osd(zk_conn, option):
 
     return True, 'Unset OSD property "{}".'.format(option)
 
+
 def get_list_osd(zk_conn, limit, is_fuzzy=True):
     osd_list = []
     full_osd_list = zkhandler.listchildren(zk_conn, '/ceph/osds')
@@ -351,6 +375,7 @@ def getPoolInformation(zk_conn, pool):
     }
     return pool_information
 
+
 def add_pool(zk_conn, name, pgs, replcfg):
     # Prepare the copies/mincopies variables
     try:
@@ -393,6 +418,7 @@ def add_pool(zk_conn, name, pgs, replcfg):
 
     return True, 'Created RBD pool "{}" with {} PGs'.format(name, pgs)
 
+
 def remove_pool(zk_conn, name):
     if not verifyPool(zk_conn, name):
         return False, 'ERROR: No pool with name "{}" is present in the cluster.'.format(name)
@@ -413,6 +439,7 @@ def remove_pool(zk_conn, name):
 
     return True, 'Removed RBD pool "{}" and all volumes.'.format(name)
 
+
 def get_list_pool(zk_conn, limit, is_fuzzy=True):
     pool_list = []
     full_pool_list = zkhandler.listchildren(zk_conn, '/ceph/pools')
@@ -450,6 +477,7 @@ def getCephVolumes(zk_conn, pool):
 
     return volume_list
 
+
 def getVolumeInformation(zk_conn, pool, volume):
     # Parse the stats data
     volume_stats_raw = zkhandler.readdata(zk_conn, '/ceph/volumes/{}/{}/stats'.format(pool, volume))
@@ -464,6 +492,7 @@ def getVolumeInformation(zk_conn, pool, volume):
     }
     return volume_information
 
+
 def add_volume(zk_conn, pool, name, size):
     # 1. Create the volume
     retcode, stdout, stderr = common.run_os_command('rbd create --size {} --image-feature layering,exclusive-lock {}/{}'.format(size, pool, name))
@@ -483,6 +512,7 @@ def add_volume(zk_conn, pool, name, size):
 
     return True, 'Created RBD volume "{}/{}" ({}).'.format(pool, name, size)
 
+
 def clone_volume(zk_conn, pool, name_src, name_new):
     if not verifyVolume(zk_conn, pool, name_src):
         return False, 'ERROR: No volume with name "{}" is present in pool "{}".'.format(name_src, pool)
@@ -505,6 +535,7 @@ def clone_volume(zk_conn, pool, name_src, name_new):
 
     return True, 'Cloned RBD volume "{}" to "{}" in pool "{}"'.format(name_src, name_new, pool)
 
+
 def resize_volume(zk_conn, pool, name, size):
     if not verifyVolume(zk_conn, pool, name):
         return False, 'ERROR: No volume with name "{}" is present in pool "{}".'.format(name, pool)
@@ -551,6 +582,7 @@ def resize_volume(zk_conn, pool, name, size):
 
     return True, 'Resized RBD volume "{}" to size "{}" in pool "{}".'.format(name, size, pool)
 
+
 def rename_volume(zk_conn, pool, name, new_name):
     if not verifyVolume(zk_conn, pool, name):
         return False, 'ERROR: No volume with name "{}" is present in pool "{}".'.format(name, pool)
@@ -577,6 +609,7 @@ def rename_volume(zk_conn, pool, name, new_name):
 
     return True, 'Renamed RBD volume "{}" to "{}" in pool "{}".'.format(name, new_name, pool)
 
+
 def remove_volume(zk_conn, pool, name):
     if not verifyVolume(zk_conn, pool, name):
         return False, 'ERROR: No volume with name "{}" is present in pool "{}".'.format(name, pool)
@@ -596,6 +629,7 @@ def remove_volume(zk_conn, pool, name):
 
     return True, 'Removed RBD volume "{}" in pool "{}".'.format(name, pool)
 
+
 def map_volume(zk_conn, pool, name):
     if not verifyVolume(zk_conn, pool, name):
         return False, 'ERROR: No volume with name "{}" is present in pool "{}".'.format(name, pool)
@@ -614,6 +648,7 @@ def map_volume(zk_conn, pool, name):
 
     return True, mapped_volume
 
+
 def unmap_volume(zk_conn, pool, name):
     if not verifyVolume(zk_conn, pool, name):
         return False, 'ERROR: No volume with name "{}" is present in pool "{}".'.format(name, pool)
@@ -631,6 +666,7 @@ def unmap_volume(zk_conn, pool, name):
 
     return True, 'Unmapped RBD volume at "{}".'.format(mapped_volume)
 
+
 def get_list_volume(zk_conn, pool, limit, is_fuzzy=True):
     volume_list = []
     if pool and not verifyPool(zk_conn, pool):
@@ -665,7 +701,6 @@ def get_list_volume(zk_conn, pool, limit, is_fuzzy=True):
 #
 # Snapshot functions
 #
-
 def getCephSnapshots(zk_conn, pool, volume):
     snapshot_list = list()
     volume_list = list()
@@ -683,6 +718,7 @@ def getCephSnapshots(zk_conn, pool, volume):
 
     return snapshot_list
 
+
 def add_snapshot(zk_conn, pool, volume, name):
     if not verifyVolume(zk_conn, pool, volume):
         return False, 'ERROR: No volume with name "{}" is present in pool "{}".'.format(volume, pool)
@@ -700,6 +736,7 @@ def add_snapshot(zk_conn, pool, volume, name):
 
     return True, 'Created RBD snapshot "{}" of volume "{}" in pool "{}".'.format(name, volume, pool)
 
+
 def rename_snapshot(zk_conn, pool, volume, name, new_name):
     if not verifyVolume(zk_conn, pool, volume):
         return False, 'ERROR: No volume with name "{}" is present in pool "{}".'.format(volume, pool)
@@ -718,6 +755,7 @@ def rename_snapshot(zk_conn, pool, volume, name, new_name):
 
     return True, 'Renamed RBD snapshot "{}" to "{}" for volume "{}" in pool "{}".'.format(name, new_name, volume, pool)
 
+
 def remove_snapshot(zk_conn, pool, volume, name):
     if not verifyVolume(zk_conn, pool, volume):
         return False, 'ERROR: No volume with name "{}" is present in pool "{}".'.format(volume, pool)
@@ -734,6 +772,7 @@ def remove_snapshot(zk_conn, pool, volume, name):
 
     return True, 'Removed RBD snapshot "{}" of volume "{}" in pool "{}".'.format(name, volume, pool)
 
+
 def get_list_snapshot(zk_conn, pool, volume, limit, is_fuzzy=True):
     snapshot_list = []
     if pool and not verifyPool(zk_conn, pool):
diff --git a/daemon-common/cluster.py b/daemon-common/cluster.py
index e2d02093..328fdb31 100644
--- a/daemon-common/cluster.py
+++ b/daemon-common/cluster.py
@@ -29,6 +29,7 @@ import daemon_lib.node as pvc_node
 import daemon_lib.network as pvc_network
 import daemon_lib.ceph as pvc_ceph
 
+
 def set_maintenance(zk_conn, maint_state):
     try:
         if maint_state == 'true':
@@ -40,6 +41,7 @@ def set_maintenance(zk_conn, maint_state):
     except Exception:
         return False, 'Failed to set cluster maintenance state'
 
+
 def getClusterInformation(zk_conn):
     # Get cluster maintenance state
     try:
@@ -246,6 +248,7 @@ def getClusterInformation(zk_conn):
 
     return cluster_information
 
+
 def get_info(zk_conn):
     # This is a thin wrapper function for naming purposes
     cluster_information = getClusterInformation(zk_conn)
diff --git a/daemon-common/common.py b/daemon-common/common.py
index df2fdd10..94df9507 100644
--- a/daemon-common/common.py
+++ b/daemon-common/common.py
@@ -36,6 +36,7 @@ import daemon_lib.zkhandler as zkhandler
 # Supplemental functions
 ###############################################################################
 
+
 #
 # Run a local OS command via shell
 #
@@ -64,6 +65,7 @@ def run_os_command(command_string, background=False, environment=None, timeout=N
         stderr = ''
     return retcode, stdout, stderr
 
+
 #
 # Validate a UUID
 #
@@ -74,6 +76,7 @@ def validateUUID(dom_uuid):
     except Exception:
         return False
 
+
 #
 # Connect and disconnect from Zookeeper
 #
@@ -89,10 +92,13 @@ def startZKConnection(zk_host):
         exit(1)
     return zk_conn
 
+
 def stopZKConnection(zk_conn):
     zk_conn.stop()
     zk_conn.close()
     return 0
+
+
 #
 # Parse a Domain XML object
 #
@@ -106,6 +112,7 @@ def getDomainXML(zk_conn, dom_uuid):
     parsed_xml = lxml.objectify.fromstring(xml)
     return parsed_xml
 
+
 #
 # Get the main details for a VM object from XML
 #
@@ -131,6 +138,7 @@ def getDomainMainDetails(parsed_xml):
 
     return duuid, dname, ddescription, dmemory, dvcpu, dvcputopo
 
+
 #
 # Get long-format details
 #
@@ -143,6 +151,7 @@ def getDomainExtraDetails(parsed_xml):
 
     return dtype, darch, dmachine, dconsole, demulator
 
+
 #
 # Get CPU features
 #
@@ -156,6 +165,7 @@ def getDomainCPUFeatures(parsed_xml):
 
     return dfeatures
 
+
 #
 # Get disk devices
 #
@@ -200,6 +210,7 @@ def getDomainDisks(parsed_xml, stats_data):
 
     return ddisks
 
+
 #
 # Get a list of disk devices
 #
@@ -211,6 +222,7 @@ def getDomainDiskList(zk_conn, dom_uuid):
 
     return disk_list
 
+
 #
 # Get domain information from XML
 #
@@ -308,6 +320,7 @@ def getInformationFromXML(zk_conn, uuid):
 
     return domain_information
 
+
 #
 # Get network devices
 #
@@ -362,6 +375,7 @@ def getDomainNetworks(parsed_xml, stats_data):
 
     return dnets
 
+
 #
 # Get controller devices
 #
@@ -379,6 +393,7 @@ def getDomainControllers(parsed_xml):
 
     return dcontrollers
 
+
 #
 # Verify node is valid in cluster
 #
@@ -388,6 +403,7 @@ def verifyNode(zk_conn, node):
     else:
         return False
 
+
 #
 # Get the primary coordinator node
 #
@@ -412,6 +428,7 @@ def getPrimaryNode(zk_conn):
 
     return primary_node
 
+
 #
 # Find a migration target
 #
@@ -443,6 +460,7 @@ def findTargetNode(zk_conn, dom_uuid):
     # Nothing was found
     return None
 
+
 # Get the list of valid target nodes
 def getNodes(zk_conn, node_limit, dom_uuid):
     valid_node_list = []
@@ -469,6 +487,7 @@ def getNodes(zk_conn, node_limit, dom_uuid):
 
     return valid_node_list
 
+
 # via free memory (relative to allocated memory)
 def findTargetNodeMem(zk_conn, node_limit, dom_uuid):
     most_provfree = 0
@@ -488,6 +507,7 @@ def findTargetNodeMem(zk_conn, node_limit, dom_uuid):
 
     return target_node
 
+
 # via load average
 def findTargetNodeLoad(zk_conn, node_limit, dom_uuid):
     least_load = 9999.0
@@ -503,6 +523,7 @@ def findTargetNodeLoad(zk_conn, node_limit, dom_uuid):
 
     return target_node
 
+
 # via total vCPUs
 def findTargetNodeVCPUs(zk_conn, node_limit, dom_uuid):
     least_vcpus = 9999
@@ -518,6 +539,7 @@ def findTargetNodeVCPUs(zk_conn, node_limit, dom_uuid):
 
     return target_node
 
+
 # via total VMs
 def findTargetNodeVMs(zk_conn, node_limit, dom_uuid):
     least_vms = 9999
@@ -533,6 +555,7 @@ def findTargetNodeVMs(zk_conn, node_limit, dom_uuid):
 
     return target_node
 
+
 # Connect to the primary host and run a command
 def runRemoteCommand(node, command, become=False):
     import paramiko
diff --git a/daemon-common/network.py b/daemon-common/network.py
index b6092446..ea75fa3f 100644
--- a/daemon-common/network.py
+++ b/daemon-common/network.py
@@ -26,6 +26,7 @@ from kazoo.exceptions import NoNodeError
 
 import daemon_lib.zkhandler as zkhandler
 
+
 #
 # Cluster search functions
 #
@@ -38,6 +39,7 @@ def getClusterNetworkList(zk_conn):
         description_list.append(zkhandler.readdata(zk_conn, '/networks/{}'.format(vni)))
     return vni_list, description_list
 
+
 def searchClusterByVNI(zk_conn, vni):
     try:
         # Get the lists
@@ -52,6 +54,7 @@ def searchClusterByVNI(zk_conn, vni):
 
     return description
 
+
 def searchClusterByDescription(zk_conn, description):
     try:
         # Get the lists
@@ -66,6 +69,7 @@ def searchClusterByDescription(zk_conn, description):
 
     return vni
 
+
 def getNetworkVNI(zk_conn, network):
     # Validate and obtain alternate passed value
     if network.isdigit():
@@ -77,6 +81,7 @@ def getNetworkVNI(zk_conn, network):
 
     return net_vni
 
+
 def getNetworkDescription(zk_conn, network):
     # Validate and obtain alternate passed value
     if network.isdigit():
@@ -88,16 +93,19 @@ def getNetworkDescription(zk_conn, network):
 
     return net_description
 
+
 def getNetworkDHCPLeases(zk_conn, vni):
     # Get a list of DHCP leases by listing the children of /networks/<vni>/dhcp4_leases
     dhcp4_leases = zkhandler.listchildren(zk_conn, '/networks/{}/dhcp4_leases'.format(vni))
     return sorted(dhcp4_leases)
 
+
 def getNetworkDHCPReservations(zk_conn, vni):
     # Get a list of DHCP reservations by listing the children of /networks/<vni>/dhcp4_reservations
     dhcp4_reservations = zkhandler.listchildren(zk_conn, '/networks/{}/dhcp4_reservations'.format(vni))
     return sorted(dhcp4_reservations)
 
+
 def getNetworkACLs(zk_conn, vni, _direction):
     # Get the (sorted) list of active ACLs
     if _direction == 'both':
@@ -119,6 +127,7 @@ def getNetworkACLs(zk_conn, vni, _direction):
 
     return full_acl_list
 
+
 def getNetworkInformation(zk_conn, vni):
     description = zkhandler.readdata(zk_conn, '/networks/{}'.format(vni))
     nettype = zkhandler.readdata(zk_conn, '/networks/{}/nettype'.format(vni))
@@ -155,6 +164,7 @@ def getNetworkInformation(zk_conn, vni):
     }
     return network_information
 
+
 def getDHCPLeaseInformation(zk_conn, vni, mac_address):
     # Check whether this is a dynamic or static lease
     try:
@@ -180,6 +190,7 @@ def getDHCPLeaseInformation(zk_conn, vni, mac_address):
     }
     return lease_information
 
+
 def getACLInformation(zk_conn, vni, direction, description):
     order = zkhandler.readdata(zk_conn, '/networks/{}/firewall_rules/{}/{}/order'.format(vni, direction, description))
     rule = zkhandler.readdata(zk_conn, '/networks/{}/firewall_rules/{}/{}/rule'.format(vni, direction, description))
@@ -193,6 +204,7 @@ def getACLInformation(zk_conn, vni, direction, description):
     }
     return acl_information
 
+
 def isValidMAC(macaddr):
     allowed = re.compile(r"""
                          (
@@ -206,6 +218,7 @@ def isValidMAC(macaddr):
     else:
         return False
 
+
 def isValidIP(ipaddr):
     ip4_blocks = str(ipaddr).split(".")
     if len(ip4_blocks) == 4:
@@ -219,6 +232,7 @@ def isValidIP(ipaddr):
         return True
     return False
 
+
 #
 # Direct functions
 #
@@ -272,6 +286,7 @@ def add_network(zk_conn, vni, description, nettype,
 
     return True, 'Network "{}" added successfully!'.format(description)
 
+
 def modify_network(zk_conn, vni, description=None, domain=None, name_servers=None,
                    ip4_network=None, ip4_gateway=None, ip6_network=None, ip6_gateway=None,
                    dhcp4_flag=None, dhcp4_start=None, dhcp4_end=None):
@@ -313,6 +328,7 @@ def modify_network(zk_conn, vni, description=None, domain=None, name_servers=Non
 
     return True, 'Network "{}" modified successfully!'.format(vni)
 
+
 def remove_network(zk_conn, network):
     # Validate and obtain alternate passed value
     vni = getNetworkVNI(zk_conn, network)
@@ -356,6 +372,7 @@ def add_dhcp_reservation(zk_conn, network, ipaddress, macaddress, hostname):
 
     return True, 'DHCP reservation "{}" added successfully!'.format(macaddress)
 
+
 def remove_dhcp_reservation(zk_conn, network, reservation):
     # Validate and obtain standard passed value
     net_vni = getNetworkVNI(zk_conn, network)
@@ -395,6 +412,7 @@ def remove_dhcp_reservation(zk_conn, network, reservation):
 
     return True, 'DHCP {} "{}" removed successfully!'.format(lease_type_human, match_description)
 
+
 def add_acl(zk_conn, network, direction, description, rule, order):
     # Validate and obtain standard passed value
     net_vni = getNetworkVNI(zk_conn, network)
@@ -458,6 +476,7 @@ def add_acl(zk_conn, network, direction, description, rule, order):
 
     return True, 'Firewall rule "{}" added successfully!'.format(description)
 
+
 def remove_acl(zk_conn, network, description):
     # Validate and obtain standard passed value
     net_vni = getNetworkVNI(zk_conn, network)
@@ -498,6 +517,7 @@ def remove_acl(zk_conn, network, description):
 
     return True, 'Firewall rule "{}" removed successfully!'.format(match_description)
 
+
 def get_info(zk_conn, network):
     # Validate and obtain alternate passed value
     net_vni = getNetworkVNI(zk_conn, network)
@@ -510,6 +530,7 @@ def get_info(zk_conn, network):
 
     return True, network_information
 
+
 def get_list(zk_conn, limit, is_fuzzy=True):
     net_list = []
     full_net_list = zkhandler.listchildren(zk_conn, '/networks')
@@ -532,6 +553,7 @@ def get_list(zk_conn, limit, is_fuzzy=True):
 
     return True, net_list
 
+
 def get_list_dhcp(zk_conn, network, limit, only_static=False, is_fuzzy=True):
     # Validate and obtain alternate passed value
     net_vni = getNetworkVNI(zk_conn, network)
@@ -574,6 +596,7 @@ def get_list_dhcp(zk_conn, network, limit, only_static=False, is_fuzzy=True):
 
     return True, dhcp_list
 
+
 def get_list_acl(zk_conn, network, limit, direction, is_fuzzy=True):
     # Validate and obtain alternate passed value
     net_vni = getNetworkVNI(zk_conn, network)
diff --git a/daemon-common/node.py b/daemon-common/node.py
index 9e61d37b..9c32b335 100644
--- a/daemon-common/node.py
+++ b/daemon-common/node.py
@@ -26,6 +26,7 @@ import re
 import daemon_lib.zkhandler as zkhandler
 import daemon_lib.common as common
 
+
 def getNodeInformation(zk_conn, node_name):
     """
     Gather information about a node from the Zookeeper database and return a dict() containing it.
@@ -75,6 +76,7 @@ def getNodeInformation(zk_conn, node_name):
     }
     return node_information
 
+
 #
 # Direct Functions
 #
@@ -105,6 +107,7 @@ def secondary_node(zk_conn, node):
 
     return True, retmsg
 
+
 def primary_node(zk_conn, node):
     # Verify node is valid
     if not common.verifyNode(zk_conn, node):
@@ -132,6 +135,7 @@ def primary_node(zk_conn, node):
 
     return True, retmsg
 
+
 def flush_node(zk_conn, node, wait=False):
     # Verify node is valid
     if not common.verifyNode(zk_conn, node):
@@ -151,6 +155,7 @@ def flush_node(zk_conn, node, wait=False):
 
     return True, retmsg
 
+
 def ready_node(zk_conn, node, wait=False):
     # Verify node is valid
     if not common.verifyNode(zk_conn, node):
@@ -170,6 +175,7 @@ def ready_node(zk_conn, node, wait=False):
 
     return True, retmsg
 
+
 def get_info(zk_conn, node):
     # Verify node is valid
     if not common.verifyNode(zk_conn, node):
@@ -182,6 +188,7 @@ def get_info(zk_conn, node):
 
     return True, node_information
 
+
 def get_list(zk_conn, limit, daemon_state=None, coordinator_state=None, domain_state=None, is_fuzzy=True):
     node_list = []
     full_node_list = zkhandler.listchildren(zk_conn, '/nodes')
diff --git a/daemon-common/vm.py b/daemon-common/vm.py
index 7af3d116..105b90c3 100644
--- a/daemon-common/vm.py
+++ b/daemon-common/vm.py
@@ -29,6 +29,7 @@ import daemon_lib.common as common
 
 import daemon_lib.ceph as ceph
 
+
 #
 # Cluster search functions
 #
@@ -41,6 +42,7 @@ def getClusterDomainList(zk_conn):
         name_list.append(zkhandler.readdata(zk_conn, '/domains/%s' % uuid))
     return uuid_list, name_list
 
+
 def searchClusterByUUID(zk_conn, uuid):
     try:
         # Get the lists
@@ -55,6 +57,7 @@ def searchClusterByUUID(zk_conn, uuid):
 
     return name
 
+
 def searchClusterByName(zk_conn, name):
     try:
         # Get the lists
@@ -69,6 +72,7 @@ def searchClusterByName(zk_conn, name):
 
     return uuid
 
+
 def getDomainUUID(zk_conn, domain):
     # Validate that VM exists in cluster
     if common.validateUUID(domain):
@@ -80,6 +84,7 @@ def getDomainUUID(zk_conn, domain):
 
     return dom_uuid
 
+
 def getDomainName(zk_conn, domain):
     # Validate that VM exists in cluster
     if common.validateUUID(domain):
@@ -91,6 +96,7 @@ def getDomainName(zk_conn, domain):
 
     return dom_name
 
+
 #
 # Direct functions
 #
@@ -106,6 +112,7 @@ def is_migrated(zk_conn, domain):
     else:
         return False
 
+
 def flush_locks(zk_conn, domain):
     # Validate that VM exists in cluster
     dom_uuid = getDomainUUID(zk_conn, domain)
@@ -145,6 +152,7 @@ def flush_locks(zk_conn, domain):
 
     return success, message
 
+
 def define_vm(zk_conn, config_data, target_node, node_limit, node_selector, node_autostart, migration_method=None, profile=None, initial_state='stop'):
     # Parse the XML data
     try:
@@ -204,6 +212,7 @@ def define_vm(zk_conn, config_data, target_node, node_limit, node_selector, node
 
     return True, 'Added new VM with Name "{}" and UUID "{}" to database.'.format(dom_name, dom_uuid)
 
+
 def modify_vm_metadata(zk_conn, domain, node_limit, node_selector, node_autostart, provisioner_profile, migration_method):
     dom_uuid = getDomainUUID(zk_conn, domain)
     if not dom_uuid:
@@ -236,6 +245,7 @@ def modify_vm_metadata(zk_conn, domain, node_limit, node_selector, node_autostar
 
     return True, 'Successfully modified PVC metadata of VM "{}".'.format(domain)
 
+
 def modify_vm(zk_conn, domain, restart, new_vm_config):
     dom_uuid = getDomainUUID(zk_conn, domain)
     if not dom_uuid:
@@ -277,6 +287,7 @@ def modify_vm(zk_conn, domain, restart, new_vm_config):
 
     return True, ''
 
+
 def dump_vm(zk_conn, domain):
     dom_uuid = getDomainUUID(zk_conn, domain)
     if not dom_uuid:
@@ -287,6 +298,7 @@ def dump_vm(zk_conn, domain):
 
     return True, vm_xml
 
+
 def undefine_vm(zk_conn, domain):
     # Validate that VM exists in cluster
     dom_uuid = getDomainUUID(zk_conn, domain)
@@ -314,6 +326,7 @@ def undefine_vm(zk_conn, domain):
 
     return True, 'Undefined VM "{}" from the cluster.'.format(domain)
 
+
 def remove_vm(zk_conn, domain):
     # Validate that VM exists in cluster
     dom_uuid = getDomainUUID(zk_conn, domain)
@@ -353,6 +366,7 @@ def remove_vm(zk_conn, domain):
 
     return True, 'Removed VM "{}" and disks from the cluster.'.format(domain)
 
+
 def start_vm(zk_conn, domain):
     # Validate that VM exists in cluster
     dom_uuid = getDomainUUID(zk_conn, domain)
@@ -367,6 +381,7 @@ def start_vm(zk_conn, domain):
 
     return True, 'Starting VM "{}".'.format(domain)
 
+
 def restart_vm(zk_conn, domain, wait=False):
     # Validate that VM exists in cluster
     dom_uuid = getDomainUUID(zk_conn, domain)
@@ -393,6 +408,7 @@ def restart_vm(zk_conn, domain, wait=False):
 
     return True, retmsg
 
+
 def shutdown_vm(zk_conn, domain, wait=False):
     # Validate that VM exists in cluster
     dom_uuid = getDomainUUID(zk_conn, domain)
@@ -419,6 +435,7 @@ def shutdown_vm(zk_conn, domain, wait=False):
 
     return True, retmsg
 
+
 def stop_vm(zk_conn, domain):
     # Validate that VM exists in cluster
     dom_uuid = getDomainUUID(zk_conn, domain)
@@ -433,6 +450,7 @@ def stop_vm(zk_conn, domain):
 
     return True, 'Forcibly stopping VM "{}".'.format(domain)
 
+
 def disable_vm(zk_conn, domain):
     # Validate that VM exists in cluster
     dom_uuid = getDomainUUID(zk_conn, domain)
@@ -452,6 +470,7 @@ def disable_vm(zk_conn, domain):
 
     return True, 'Marked VM "{}" as disable.'.format(domain)
 
+
 def move_vm(zk_conn, domain, target_node, wait=False, force_live=False):
     # Validate that VM exists in cluster
     dom_uuid = getDomainUUID(zk_conn, domain)
@@ -514,6 +533,7 @@ def move_vm(zk_conn, domain, target_node, wait=False, force_live=False):
 
     return True, retmsg
 
+
 def migrate_vm(zk_conn, domain, target_node, force_migrate, wait=False, force_live=False):
     # Validate that VM exists in cluster
     dom_uuid = getDomainUUID(zk_conn, domain)
@@ -579,6 +599,7 @@ def migrate_vm(zk_conn, domain, target_node, force_migrate, wait=False, force_li
 
     return True, retmsg
 
+
 def unmigrate_vm(zk_conn, domain, wait=False, force_live=False):
     # Validate that VM exists in cluster
     dom_uuid = getDomainUUID(zk_conn, domain)
@@ -619,6 +640,7 @@ def unmigrate_vm(zk_conn, domain, wait=False, force_live=False):
 
     return True, retmsg
 
+
 def get_console_log(zk_conn, domain, lines=1000):
     # Validate that VM exists in cluster
     dom_uuid = getDomainUUID(zk_conn, domain)
@@ -634,6 +656,7 @@ def get_console_log(zk_conn, domain, lines=1000):
 
     return True, loglines
 
+
 def get_info(zk_conn, domain):
     # Validate that VM exists in cluster
     dom_uuid = getDomainUUID(zk_conn, domain)
@@ -647,6 +670,7 @@ def get_info(zk_conn, domain):
 
     return True, domain_information
 
+
 def get_list(zk_conn, node, state, limit, is_fuzzy=True):
     if node:
         # Verify node is valid
diff --git a/daemon-common/zkhandler.py b/daemon-common/zkhandler.py
index cee921d6..761a3ab3 100644
--- a/daemon-common/zkhandler.py
+++ b/daemon-common/zkhandler.py
@@ -23,6 +23,7 @@
 import time
 import uuid
 
+
 # Exists function
 def exists(zk_conn, key):
     stat = zk_conn.exists(key)
@@ -31,15 +32,18 @@ def exists(zk_conn, key):
     else:
         return False
 
+
 # Child list function
 def listchildren(zk_conn, key):
     children = zk_conn.get_children(key)
     return children
 
+
 # Delete key function
 def deletekey(zk_conn, key, recursive=True):
     zk_conn.delete(key, recursive=recursive)
 
+
 # Rename key recursive function
 def rename_key_element(zk_conn, zk_transaction, source_key, destination_key):
     data_raw = zk_conn.get(source_key)
@@ -54,6 +58,7 @@ def rename_key_element(zk_conn, zk_transaction, source_key, destination_key):
 
     zk_transaction.delete(source_key)
 
+
 # Rename key function
 def renamekey(zk_conn, kv):
     # Start up a transaction
@@ -79,12 +84,14 @@ def renamekey(zk_conn, kv):
     except Exception:
         return False
 
+
 # Data read function
 def readdata(zk_conn, key):
     data_raw = zk_conn.get(key)
     data = data_raw[0].decode('utf8')
     return data
 
+
 # Data write function
 def writedata(zk_conn, kv):
     # Start up a transaction
@@ -123,6 +130,7 @@ def writedata(zk_conn, kv):
     except Exception:
         return False
 
+
 # Write lock function
 def writelock(zk_conn, key):
     count = 1
@@ -140,6 +148,7 @@ def writelock(zk_conn, key):
                 continue
     return lock
 
+
 # Read lock function
 def readlock(zk_conn, key):
     count = 1
@@ -157,6 +166,7 @@ def readlock(zk_conn, key):
                 continue
     return lock
 
+
 # Exclusive lock function
 def exclusivelock(zk_conn, key):
     count = 1
diff --git a/node-daemon/pvcnoded/CephInstance.py b/node-daemon/pvcnoded/CephInstance.py
index f27a1996..2314bf1e 100644
--- a/node-daemon/pvcnoded/CephInstance.py
+++ b/node-daemon/pvcnoded/CephInstance.py
@@ -27,6 +27,7 @@ import psutil
 import pvcnoded.zkhandler as zkhandler
 import pvcnoded.common as common
 
+
 class CephOSDInstance(object):
     def __init__(self, zk_conn, this_node, osd_id):
         self.zk_conn = zk_conn
@@ -66,6 +67,7 @@ class CephOSDInstance(object):
             if data and data != self.stats:
                 self.stats = json.loads(data)
 
+
 def add_osd(zk_conn, logger, node, device, weight):
     # We are ready to create a new OSD on this node
     logger.out('Creating new OSD disk on block device {}'.format(device), state='i')
@@ -188,6 +190,7 @@ def add_osd(zk_conn, logger, node, device, weight):
         logger.out('Failed to create new OSD disk: {}'.format(e), state='e')
         return False
 
+
 def remove_osd(zk_conn, logger, osd_id, osd_obj):
     logger.out('Removing OSD disk {}'.format(osd_id), state='i')
     try:
@@ -281,6 +284,7 @@ def remove_osd(zk_conn, logger, osd_id, osd_obj):
         logger.out('Failed to purge OSD disk with ID {}: {}'.format(osd_id, e), state='e')
         return False
 
+
 class CephPoolInstance(object):
     def __init__(self, zk_conn, this_node, name):
         self.zk_conn = zk_conn
@@ -319,6 +323,7 @@ class CephPoolInstance(object):
             if data and data != self.stats:
                 self.stats = json.loads(data)
 
+
 class CephVolumeInstance(object):
     def __init__(self, zk_conn, this_node, pool, name):
         self.zk_conn = zk_conn
@@ -342,6 +347,7 @@ class CephVolumeInstance(object):
             if data and data != self.stats:
                 self.stats = json.loads(data)
 
+
 class CephSnapshotInstance(object):
     def __init__(self, zk_conn, this_node, pool, volume, name):
         self.zk_conn = zk_conn
@@ -366,6 +372,7 @@ class CephSnapshotInstance(object):
             if data and data != self.stats:
                 self.stats = json.loads(data)
 
+
 # Primary command function
 # This command pipe is only used for OSD adds and removes
 def run_command(zk_conn, logger, this_node, data, d_osd):
diff --git a/node-daemon/pvcnoded/DNSAggregatorInstance.py b/node-daemon/pvcnoded/DNSAggregatorInstance.py
index 1ae3e77a..055b4c6b 100644
--- a/node-daemon/pvcnoded/DNSAggregatorInstance.py
+++ b/node-daemon/pvcnoded/DNSAggregatorInstance.py
@@ -29,6 +29,7 @@ from threading import Thread, Event
 
 import pvcnoded.common as common
 
+
 class DNSAggregatorInstance(object):
     # Initialization function
     def __init__(self, zk_conn, config, logger):
@@ -65,6 +66,7 @@ class DNSAggregatorInstance(object):
             del self.dns_networks[network]
             self.dns_axfr_daemon.update_networks(self.dns_networks)
 
+
 class PowerDNSInstance(object):
     # Initialization function
     def __init__(self, aggregator):
@@ -138,6 +140,7 @@ class PowerDNSInstance(object):
                 state='o'
             )
 
+
 class DNSNetworkInstance(object):
     # Initialization function
     def __init__(self, aggregator, network):
diff --git a/node-daemon/pvcnoded/Daemon.py b/node-daemon/pvcnoded/Daemon.py
index 793d7e74..d6b24f63 100644
--- a/node-daemon/pvcnoded/Daemon.py
+++ b/node-daemon/pvcnoded/Daemon.py
@@ -74,6 +74,7 @@ version = '0.9.1'
 # Daemon functions
 ###############################################################################
 
+
 # Create timer to update this node in Zookeeper
 def startKeepaliveTimer():
     # Create our timer object
@@ -85,6 +86,7 @@ def startKeepaliveTimer():
     node_keepalive()
     return update_timer
 
+
 def stopKeepaliveTimer():
     global update_timer
     try:
@@ -125,6 +127,7 @@ staticdata.append(subprocess.run(['uname', '-r'], stdout=subprocess.PIPE).stdout
 staticdata.append(subprocess.run(['uname', '-o'], stdout=subprocess.PIPE).stdout.decode('ascii').strip())
 staticdata.append(subprocess.run(['uname', '-m'], stdout=subprocess.PIPE).stdout.decode('ascii').strip())
 
+
 # Read and parse the config file
 def readConfig(pvcnoded_config_file, myhostname):
     print('Loading configuration from file "{}"'.format(pvcnoded_config_file))
@@ -512,6 +515,7 @@ except Exception as e:
     logger.out('ERROR: Failed to connect to Zookeeper cluster: {}'.format(e), state='e')
     exit(1)
 
+
 # Handle zookeeper failures
 def zk_listener(state):
     global zk_conn, update_timer
@@ -551,6 +555,7 @@ zk_conn.add_listener(zk_listener)
 # PHASE 5 - Gracefully handle termination
 ###############################################################################
 
+
 # Cleanup function
 def cleanup():
     global zk_conn, update_timer, d_domain
@@ -615,10 +620,12 @@ def cleanup():
     logger.out('Terminated pvc daemon', state='s')
     sys.exit(0)
 
+
 # Termination function
 def term(signum='', frame=''):
     cleanup()
 
+
 # Hangup (logrotate) function
 def hup(signum='', frame=''):
     if config['file_logging']:
@@ -796,6 +803,7 @@ else:
     dns_aggregator = None
     metadata_api = None
 
+
 # Node objects
 @zk_conn.ChildrenWatch('/nodes')
 def update_nodes(new_node_list):
@@ -824,6 +832,7 @@ def update_nodes(new_node_list):
 # Alias for our local node (passed to network and domain objects)
 this_node = d_node[myhostname]
 
+
 # Maintenance mode
 @zk_conn.DataWatch('/maintenance')
 def set_maintenance(_maintenance, stat, event=''):
@@ -833,6 +842,7 @@ def set_maintenance(_maintenance, stat, event=''):
     except Exception:
         maintenance = False
 
+
 # Primary node
 @zk_conn.DataWatch('/primary_node')
 def update_primary(new_primary, stat, event=''):
@@ -1023,6 +1033,7 @@ if enable_storage:
                 volume_list[pool] = new_volume_list
                 logger.out('{}Volume list [{pool}]:{} {plist}'.format(fmt_blue, fmt_end, pool=pool, plist=' '.join(volume_list[pool])), state='i')
 
+
 ###############################################################################
 # PHASE 9 - Run the daemon
 ###############################################################################
@@ -1311,6 +1322,7 @@ libvirt_vm_states = {
     7: "PMSUSPENDED"
 }
 
+
 # VM stats update function
 def collect_vm_stats(queue):
     if debug:
@@ -1454,6 +1466,7 @@ def collect_vm_stats(queue):
     if debug:
         logger.out("Thread finished", state='d', prefix='vm-thread')
 
+
 # Keepalive update function
 def node_keepalive():
     if debug:
diff --git a/node-daemon/pvcnoded/MetadataAPIInstance.py b/node-daemon/pvcnoded/MetadataAPIInstance.py
index 5601a57b..9f7de745 100644
--- a/node-daemon/pvcnoded/MetadataAPIInstance.py
+++ b/node-daemon/pvcnoded/MetadataAPIInstance.py
@@ -32,6 +32,7 @@ from psycopg2.extras import RealDictCursor
 import daemon_lib.vm as pvc_vm
 import daemon_lib.network as pvc_network
 
+
 class MetadataAPIInstance(object):
     mdapi = flask.Flask(__name__)
 
diff --git a/node-daemon/pvcnoded/NodeInstance.py b/node-daemon/pvcnoded/NodeInstance.py
index eb325229..882e7785 100644
--- a/node-daemon/pvcnoded/NodeInstance.py
+++ b/node-daemon/pvcnoded/NodeInstance.py
@@ -27,6 +27,7 @@ from threading import Thread
 import pvcnoded.zkhandler as zkhandler
 import pvcnoded.common as common
 
+
 class NodeInstance(object):
     # Initialization function
     def __init__(self, name, this_node, zk_conn, config, logger, d_node, d_network, d_domain, dns_aggregator, metadata_api):
diff --git a/node-daemon/pvcnoded/VMConsoleWatcherInstance.py b/node-daemon/pvcnoded/VMConsoleWatcherInstance.py
index 307231c4..1f7b3537 100644
--- a/node-daemon/pvcnoded/VMConsoleWatcherInstance.py
+++ b/node-daemon/pvcnoded/VMConsoleWatcherInstance.py
@@ -28,6 +28,7 @@ from collections import deque
 
 import pvcnoded.zkhandler as zkhandler
 
+
 class VMConsoleWatcherInstance(object):
     # Initialization function
     def __init__(self, domuuid, domname, zk_conn, config, logger, this_node):
diff --git a/node-daemon/pvcnoded/VMInstance.py b/node-daemon/pvcnoded/VMInstance.py
index 8b5c4c55..e1032f0e 100644
--- a/node-daemon/pvcnoded/VMInstance.py
+++ b/node-daemon/pvcnoded/VMInstance.py
@@ -34,6 +34,7 @@ import pvcnoded.VMConsoleWatcherInstance as VMConsoleWatcherInstance
 
 import daemon_lib.common as daemon_common
 
+
 def flush_locks(zk_conn, logger, dom_uuid):
     logger.out('Flushing RBD locks for VM "{}"'.format(dom_uuid), state='i')
     # Get the list of RBD images
@@ -64,6 +65,7 @@ def flush_locks(zk_conn, logger, dom_uuid):
 
     return True
 
+
 # Primary command function
 def run_command(zk_conn, logger, this_node, data):
     # Get the command and args
@@ -92,6 +94,7 @@ def run_command(zk_conn, logger, this_node, data):
                 # Wait 1 seconds before we free the lock, to ensure the client hits the lock
                 time.sleep(1)
 
+
 class VMInstance(object):
     # Initialization function
     def __init__(self, domuuid, zk_conn, config, logger, this_node):
diff --git a/node-daemon/pvcnoded/VXNetworkInstance.py b/node-daemon/pvcnoded/VXNetworkInstance.py
index 470ec5a3..437bfb4f 100644
--- a/node-daemon/pvcnoded/VXNetworkInstance.py
+++ b/node-daemon/pvcnoded/VXNetworkInstance.py
@@ -28,6 +28,7 @@ from textwrap import dedent
 import pvcnoded.zkhandler as zkhandler
 import pvcnoded.common as common
 
+
 class VXNetworkInstance(object):
     # Initialization function
     def __init__(self, vni, zk_conn, config, logger, this_node, dns_aggregator):
diff --git a/node-daemon/pvcnoded/common.py b/node-daemon/pvcnoded/common.py
index 4c78fd99..2d0fe634 100644
--- a/node-daemon/pvcnoded/common.py
+++ b/node-daemon/pvcnoded/common.py
@@ -28,6 +28,7 @@ from shlex import split as shlex_split
 
 import pvcnoded.zkhandler as zkhandler
 
+
 class OSDaemon(object):
     def __init__(self, command_string, environment, logfile):
         command = shlex_split(command_string)
@@ -55,10 +56,12 @@ class OSDaemon(object):
         }
         self.proc.send_signal(signal_map[sent_signal])
 
+
 def run_os_daemon(command_string, environment=None, logfile=None):
     daemon = OSDaemon(command_string, environment, logfile)
     return daemon
 
+
 # Run a oneshot command, optionally without blocking
 def run_os_command(command_string, background=False, environment=None, timeout=None):
     command = shlex_split(command_string)
@@ -100,6 +103,7 @@ def run_os_command(command_string, background=False, environment=None, timeout=N
             stderr = ''
         return retcode, stdout, stderr
 
+
 # Reload the firewall rules of the system
 def reload_firewall_rules(logger, rules_file):
     logger.out('Reloading firewall configuration', state='o')
@@ -107,6 +111,7 @@ def reload_firewall_rules(logger, rules_file):
     if retcode != 0:
         logger.out('Failed to reload configuration: {}'.format(stderr), state='e')
 
+
 # Create IP address
 def createIPAddress(ipaddr, cidrnetmask, dev):
     run_os_command(
@@ -123,6 +128,7 @@ def createIPAddress(ipaddr, cidrnetmask, dev):
         )
     )
 
+
 # Remove IP address
 def removeIPAddress(ipaddr, cidrnetmask, dev):
     run_os_command(
@@ -133,6 +139,7 @@ def removeIPAddress(ipaddr, cidrnetmask, dev):
         )
     )
 
+
 #
 # Find a migration target
 #
@@ -173,6 +180,7 @@ def findTargetNode(zk_conn, config, logger, dom_uuid):
     # Nothing was found
     return None
 
+
 # Get the list of valid target nodes
 def getNodes(zk_conn, node_limit, dom_uuid):
     valid_node_list = []
@@ -196,6 +204,7 @@ def getNodes(zk_conn, node_limit, dom_uuid):
 
     return valid_node_list
 
+
 # via free memory (relative to allocated memory)
 def findTargetNodeMem(zk_conn, config, logger, node_limit, dom_uuid):
     most_provfree = 0
@@ -222,6 +231,7 @@ def findTargetNodeMem(zk_conn, config, logger, node_limit, dom_uuid):
         logger.out('Selected node {}'.format(target_node), state='d', prefix='node-flush')
     return target_node
 
+
 # via load average
 def findTargetNodeLoad(zk_conn, config, logger, node_limit, dom_uuid):
     least_load = 9999.0
@@ -244,6 +254,7 @@ def findTargetNodeLoad(zk_conn, config, logger, node_limit, dom_uuid):
         logger.out('Selected node {}'.format(target_node), state='d', prefix='node-flush')
     return target_node
 
+
 # via total vCPUs
 def findTargetNodeVCPUs(zk_conn, config, logger, node_limit, dom_uuid):
     least_vcpus = 9999
@@ -266,6 +277,7 @@ def findTargetNodeVCPUs(zk_conn, config, logger, node_limit, dom_uuid):
         logger.out('Selected node {}'.format(target_node), state='d', prefix='node-flush')
     return target_node
 
+
 # via total VMs
 def findTargetNodeVMs(zk_conn, config, logger, node_limit, dom_uuid):
     least_vms = 9999
diff --git a/node-daemon/pvcnoded/dnsmasq-zookeeper-leases.py b/node-daemon/pvcnoded/dnsmasq-zookeeper-leases.py
index a9768333..166038bb 100755
--- a/node-daemon/pvcnoded/dnsmasq-zookeeper-leases.py
+++ b/node-daemon/pvcnoded/dnsmasq-zookeeper-leases.py
@@ -26,6 +26,7 @@ import kazoo.client
 import re
 import yaml
 
+
 #
 # Variables
 #
@@ -45,6 +46,7 @@ def get_zookeeper_key():
     zookeeper_key = '/networks/{}/dhcp4_leases'.format(network_vni)
     return zookeeper_key
 
+
 def get_lease_expiry():
     try:
         expiry = os.environ['DNSMASQ_LEASE_EXPIRES']
@@ -52,6 +54,7 @@ def get_lease_expiry():
         expiry = '0'
     return expiry
 
+
 def get_client_id():
     try:
         client_id = os.environ['DNSMASQ_CLIENT_ID']
@@ -59,6 +62,7 @@ def get_client_id():
         client_id = '*'
     return client_id
 
+
 def connect_zookeeper():
     # We expect the environ to contain the config file
     try:
@@ -83,9 +87,11 @@ def connect_zookeeper():
 
     return zk_conn
 
+
 def read_data(zk_conn, key):
     return zk_conn.get(key)[0].decode('ascii')
 
+
 def get_lease(zk_conn, zk_leases_key, macaddr):
     expiry = read_data(zk_conn, '{}/{}/expiry'.format(zk_leases_key, macaddr))
     ipaddr = read_data(zk_conn, '{}/{}/ipaddr'.format(zk_leases_key, macaddr))
@@ -93,6 +99,7 @@ def get_lease(zk_conn, zk_leases_key, macaddr):
     clientid = read_data(zk_conn, '{}/{}/clientid'.format(zk_leases_key, macaddr))
     return expiry, ipaddr, hostname, clientid
 
+
 #
 # Command Functions
 #
@@ -108,6 +115,7 @@ def read_lease_database(zk_conn, zk_leases_key):
     # Output list
     print('\n'.join(output_list))
 
+
 def add_lease(zk_conn, zk_leases_key, expiry, macaddr, ipaddr, hostname, clientid):
     if not hostname:
         hostname = ''
@@ -119,6 +127,7 @@ def add_lease(zk_conn, zk_leases_key, expiry, macaddr, ipaddr, hostname, clienti
     transaction.create('{}/{}/clientid'.format(zk_leases_key, macaddr), clientid.encode('ascii'))
     transaction.commit()
 
+
 def del_lease(zk_conn, zk_leases_key, macaddr, expiry):
     zk_conn.delete('{}/{}'.format(zk_leases_key, macaddr), recursive=True)
 
diff --git a/node-daemon/pvcnoded/fencing.py b/node-daemon/pvcnoded/fencing.py
index 58141342..a37f9273 100644
--- a/node-daemon/pvcnoded/fencing.py
+++ b/node-daemon/pvcnoded/fencing.py
@@ -26,6 +26,7 @@ import pvcnoded.zkhandler as zkhandler
 import pvcnoded.common as common
 import pvcnoded.VMInstance as VMInstance
 
+
 #
 # Fence thread entry function
 #
@@ -74,6 +75,7 @@ def fenceNode(node_name, zk_conn, config, logger):
     if not fence_status and config['failed_fence'] == 'migrate' and config['suicide_intervals'] != '0':
         migrateFromFencedNode(zk_conn, node_name, config, logger)
 
+
 # Migrate hosts away from a fenced node
 def migrateFromFencedNode(zk_conn, node_name, config, logger):
     logger.out('Migrating VMs from dead node "{}" to new hosts'.format(node_name), state='i')
@@ -111,6 +113,7 @@ def migrateFromFencedNode(zk_conn, node_name, config, logger):
     # Set node in flushed state for easy remigrating when it comes back
     zkhandler.writedata(zk_conn, {'/nodes/{}/domainstate'.format(node_name): 'flushed'})
 
+
 #
 # Perform an IPMI fence
 #
@@ -145,6 +148,7 @@ def rebootViaIPMI(ipmi_hostname, ipmi_user, ipmi_password, logger):
         print(ipmi_reset_stderr)
         return False
 
+
 #
 # Verify that IPMI connectivity to this host exists (used during node init)
 #
diff --git a/node-daemon/pvcnoded/log.py b/node-daemon/pvcnoded/log.py
index 9c57e95c..f91a9d0e 100644
--- a/node-daemon/pvcnoded/log.py
+++ b/node-daemon/pvcnoded/log.py
@@ -22,6 +22,7 @@
 
 import datetime
 
+
 class Logger(object):
     # Define a logger class for a daemon instance
     # Keeps record of where to log, and is passed messages which are
diff --git a/node-daemon/pvcnoded/zkhandler.py b/node-daemon/pvcnoded/zkhandler.py
index 93ba9aa5..961410e9 100644
--- a/node-daemon/pvcnoded/zkhandler.py
+++ b/node-daemon/pvcnoded/zkhandler.py
@@ -22,6 +22,7 @@
 
 import uuid
 
+
 # Child list function
 def listchildren(zk_conn, key):
     try:
@@ -30,6 +31,7 @@ def listchildren(zk_conn, key):
     except Exception:
         return None
 
+
 # Key deletion function
 def deletekey(zk_conn, key, recursive=True):
     try:
@@ -38,6 +40,7 @@ def deletekey(zk_conn, key, recursive=True):
     except Exception:
         return False
 
+
 # Data read function
 def readdata(zk_conn, key):
     try:
@@ -47,6 +50,7 @@ def readdata(zk_conn, key):
     except Exception:
         return None
 
+
 # Data write function
 def writedata(zk_conn, kv):
     # Commit the transaction
@@ -87,6 +91,7 @@ def writedata(zk_conn, kv):
     except Exception:
         return False
 
+
 # Key rename function
 def renamekey(zk_conn, kv):
     # This one is not transactional because, inexplicably, transactions don't
@@ -133,6 +138,7 @@ def renamekey(zk_conn, kv):
     except Exception:
         return False
 
+
 # Write lock function
 def writelock(zk_conn, key):
     count = 1
@@ -149,6 +155,7 @@ def writelock(zk_conn, key):
                 continue
     return lock
 
+
 # Read lock function
 def readlock(zk_conn, key):
     count = 1
@@ -165,6 +172,7 @@ def readlock(zk_conn, key):
                 continue
     return lock
 
+
 # Exclusive lock function
 def exclusivelock(zk_conn, key):
     count = 1