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pvc/client-api/pvcapi.py

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#!/usr/bin/env python3
# pvcapi.py - PVC HTTP API interface
# Part of the Parallel Virtual Cluster (PVC) system
#
# Copyright (C) 2018 Joshua M. Boniface <joshua@boniface.me>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <https://www.gnu.org/licenses/>.
#
###############################################################################
import flask
import json
import client_lib.common as pvc_common
import client_lib.node as pvc_node
import client_lib.vm as pvc_vm
import client_lib.network as pvc_network
import client_lib.ceph as pvc_ceph
zk_host = "hv1:2181,hv2:2181,hv3:2181"
pvcapi = flask.Flask(__name__)
pvcapi.config["DEBUG"] = True
@pvcapi.route('/api/v1', methods=['GET'])
def api_root():
return "PVC API version 1", 209
#
# Node endpoints
#
@pvcapi.route('/api/v1/node', methods=['GET'])
def api_node():
"""
Manage the state of a node in the PVC cluster.
"""
return "Manage the state of a node in the PVC cluster.\n", 209
@pvcapi.route('/api/v1/node/secondary', methods=['POST'])
def api_node_secondary():
"""
Take NODE out of primary router mode.
"""
# Get node
if 'node' in flask.request.args:
node = flask.request.args['node']
else:
return "Error: No node provided. Please specify a node.\n", 510
zk_conn = pvc_common.startZKConnection(zk_host)
retflag, retmsg = pvc_node.secondary_node(zk_conn, node)
if retflag:
retcode = 200
else:
retcode = 510
pvc_common.stopZKConnection(zk_conn)
output = {
'message': retmsg,
}
return flask.jsonify(output), retcode
@pvcapi.route('/api/v1/node/primary', methods=['POST'])
def api_node_primary():
"""
Set NODE to primary router mode.
"""
# Get node
if 'node' in flask.request.args:
node = flask.request.args['node']
else:
return "Error: No node provided. Please specify a node.\n", 510
zk_conn = pvc_common.startZKConnection(zk_host)
retflag, retmsg = pvc_node.primary_node(zk_conn, node)
if retflag:
retcode = 200
else:
retcode = 510
pvc_common.stopZKConnection(zk_conn)
output = {
'message': retmsg,
}
return flask.jsonify(output), retcode
@pvcapi.route('/api/v1/node/flush', methods=['POST'])
def api_node_flush():
"""
Flush NODE of running VMs.
"""
# Get node
if 'node' in flask.request.args:
node = flask.request.args['node']
else:
return "Error: No node provided. Please specify a node.\n", 510
zk_conn = pvc_common.startZKConnection(zk_host)
retflag, retmsg = pvc_node.flush_node(zk_conn, node, False)
if retflag:
retcode = 200
else:
retcode = 510
pvc_common.stopZKConnection(zk_conn)
output = {
'message': retmsg,
}
return flask.jsonify(output), retcode
@pvcapi.route('/api/v1/node/unflush', methods=['POST'])
@pvcapi.route('/api/v1/node/ready', methods=['POST'])
def api_node_ready():
"""
Restore NODE to active service.
"""
# Get node
if 'node' in flask.request.args:
node = flask.request.args['node']
else:
return "Error: No node provided. Please specify a node.\n", 510
zk_conn = pvc_common.startZKConnection(zk_host)
retflag, retmsg = pvc_node.ready_node(zk_conn, node)
if retflag:
retcode = 200
else:
retcode = 510
pvc_common.stopZKConnection(zk_conn)
output = {
'message': retmsg,
}
return flask.jsonify(output), retcode
@pvcapi.route('/api/v1/node/list', methods=['GET'])
def api_node_list():
"""
Return a list of nodes with limit LIMIT.
"""
# Get limit
if 'limit' in flask.request.args:
limit = flask.request.args['limit']
else:
limit = None
zk_conn = pvc_common.startZKConnection(zk_host)
retflag, retdata = pvc_node.get_list(zk_conn, limit)
if retflag:
retcode = 200
else:
retcode = 510
pvc_common.stopZKConnection(zk_conn)
return flask.jsonify(retdata), retcode
#
# VM endpoints
#
@pvcapi.route('/api/v1/vm', methods=['GET'])
def api_vm():
"""
Manage the state of a VM in the PVC cluster.
"""
return "Manage the state of a VM in the PVC cluster.\n", 209
@pvcapi.route('/api/v1/vm/add', methods=['POST'])
def api_vm_add():
"""
Add a VM to the PVC cluster.
"""
pass
@pvcapi.route('/api/v1/vm/define', methods=['POST'])
def api_vm_define():
"""
Define a VM from Libvirt XML in the PVC cluster.
"""
pass
@pvcapi.route('/api/v1/vm/modify', methods=['POST'])
def api_vm_modify():
"""
Modify a VM Libvirt XML in the PVC cluster.
"""
pass
@pvcapi.route('/api/v1/vm/undefine', methods=['POST'])
def api_vm_undefine():
"""
Undefine a VM from the PVC cluster.
"""
pass
@pvcapi.route('/api/v1/vm/dump', methods=['GET'])
def api_vm_dump():
"""
Dump a VM Libvirt XML configuration.
"""
pass
@pvcapi.route('/api/v1/vm/start', methods=['POST'])
def api_vm_start():
"""
Start a VM in the PVC cluster.
"""
pass
@pvcapi.route('/api/v1/vm/restart', methods=['POST'])
def api_vm_restart():
"""
Restart a VM in the PVC cluster.
"""
pass
@pvcapi.route('/api/v1/vm/shutdown', methods=['POST'])
def api_vm_shutdown():
"""
Shutdown a VM in the PVC cluster.
"""
pass
@pvcapi.route('/api/v1/vm/stop', methods=['POST'])
def api_vm_stop():
"""
Forcibly stop a VM in the PVC cluster.
"""
pass
@pvcapi.route('/api/v1/vm/move', methods=['POST'])
def api_vm_move():
"""
Move a VM to another node.
"""
pass
@pvcapi.route('/api/v1/vm/migrate', methods=['POST'])
def api_vm_migrate():
"""
Temporarily migrate a VM to another node.
"""
pass
@pvcapi.route('/api/v1/vm/unmigrate', methods=['POST'])
def api_vm_unmigrate():
"""
Unmigrate a migrated VM.
"""
pass
@pvcapi.route('/api/v1/vm/list', methods=['GET'])
def api_vm_list():
"""
Return a list of VMs with limit LIMIT.
"""
# Get node limit
if 'node' in flask.request.args:
node = flask.request.args['node']
else:
node = None
# Get state limit
if 'state' in flask.request.args:
state = flask.request.args['state']
else:
state = None
# Get name limit
if 'limit' in flask.request.args:
limit = flask.request.args['limit']
else:
limit = None
zk_conn = pvc_common.startZKConnection(zk_host)
retflag, retdata = pvc_vm.get_list(zk_conn, node, state, limit)
if retflag:
retcode = 200
else:
retcode = 510
pvc_common.stopZKConnection(zk_conn)
return flask.jsonify(retdata), retcode
#
# Network endpoints
#
@pvcapi.route('/api/v1/network', methods=['GET'])
def api_net():
"""
Manage the state of a client network in the PVC cluster.
"""
return "Manage the state of a VM in the PVC cluster.\n", 209
@pvcapi.route('/api/v1/network/add', methods=['POST'])
def api_net_add():
"""
Add a virtual client network to the PVC cluster.
"""
pass
@pvcapi.route('/api/v1/network/modify', methods=['POST'])
def api_net_modify():
"""
Modify a virtual client network in the PVC cluster.
"""
pass
@pvcapi.route('/api/v1/network/remove', methods=['POST'])
def api_net_remove():
"""
Remove a virtual client network from the PVC cluster.
"""
pass
@pvcapi.route('/api/v1/network/list', methods=['GET'])
def api_net_list():
"""
Return a list of client networks with limit LIMIT.
"""
# Get name limit
if 'limit' in flask.request.args:
limit = flask.request.args['limit']
else:
limit = None
zk_conn = pvc_common.startZKConnection(zk_host)
retflag, retdata = pvc_network.get_list(zk_conn, limit)
if retflag:
retcode = 200
else:
retcode = 510
pvc_common.stopZKConnection(zk_conn)
return flask.jsonify(retdata), retcode
@pvcapi.route('/api/v1/network/dhcp', methods=['GET'])
def api_net_dhcp():
"""
Manage the state of a client network DHCP in the PVC cluster.
"""
return "Manage the state of a VM in the PVC cluster.\n", 209
@pvcapi.route('/api/v1/network/dhcp/list', methods=['GET'])
def api_net_dhcp_list():
"""
Return a list of DHCP leases in network NETWORK with limit LIMIT.
"""
# Get network
if 'network' in flask.request.args:
network = flask.request.args['network']
else:
return "Error: No network provided. Please specify a network.\n", 510
# Get name limit
if 'limit' in flask.request.args:
limit = flask.request.args['limit']
else:
limit = None
zk_conn = pvc_common.startZKConnection(zk_host)
retflag, retdata = pvc_network.get_list_dhcp(zk_conn, network, limit, False)
if retflag:
retcode = 200
else:
retcode = 510
pvc_common.stopZKConnection(zk_conn)
return flask.jsonify(retdata), retcode
@pvcapi.route('/api/v1/network/dhcp/static', methods=['GET'])
def api_net_dhcp_static():
"""
Manage the state of a client network static DHCP lease in the PVC cluster.
"""
return "Manage the state of a VM in the PVC cluster.\n", 209
@pvcapi.route('/api/v1/network/dhcp/static/add', methods=['POST'])
def api_net_dhcp_static_add():
"""
Add a static DHCP lease to a virtual client network.
"""
pass
@pvcapi.route('/api/v1/network/dhcp/static/remove', methods=['POST'])
def api_net_dhcp_static_remove():
"""
Remove a static DHCP lease from a virtual client network.
"""
pass
@pvcapi.route('/api/v1/network/dhcp/static/list', methods=['GET'])
def api_net_dhcp_static_list():
"""
Return a list of static DHCP leases in network NETWORK with limit LIMIT.
"""
# Get network
if 'network' in flask.request.args:
network = flask.request.args['network']
else:
return "Error: No network provided. Please specify a network.\n", 510
# Get name limit
if 'limit' in flask.request.args:
limit = flask.request.args['limit']
else:
limit = None
zk_conn = pvc_common.startZKConnection(zk_host)
retflag, retdata = pvc_network.get_list_dhcp(zk_conn, network, limit, True)
if retflag:
retcode = 200
else:
retcode = 510
pvc_common.stopZKConnection(zk_conn)
return flask.jsonify(retdata), retcode
@pvcapi.route('/api/v1/network/acl', methods=['GET'])
def api_net_acl():
"""
Manage the state of a client network ACL in the PVC cluster.
"""
return "Manage the state of a VM in the PVC cluster.\n", 209
@pvcapi.route('/api/v1/network/acl/add', methods=['POST'])
def api_net_acl_add():
"""
Add an ACL to a virtual client network.
"""
pass
@pvcapi.route('/api/v1/network/acl/remove', methods=['POST'])
def api_net_acl_remove():
"""
Remove an ACL from a virtual client network.
"""
pass
@pvcapi.route('/api/v1/network/acl/list', methods=['GET'])
def api_net_acl_list():
"""
Return a list of network ACLs in network NETWORK with limit LIMIT.
"""
# Get network
if 'network' in flask.request.args:
network = flask.request.args['network']
else:
return "Error: No network provided. Please specify a network.\n", 510
# Get name limit
if 'limit' in flask.request.args:
limit = flask.request.args['limit']
else:
limit = None
# Get direction limit
if 'direction' in flask.request.args:
direction = flask.request.args['direction']
if not 'in' in direction or not 'out' in direction:
return "Error: Direction must be either 'in' or 'out'.\n", 510
else:
direction = None
zk_conn = pvc_common.startZKConnection(zk_host)
retflag, retdata = pvc_network.get_list_acl(zk_conn, network, limit, direction)
if retflag:
retcode = 200
else:
retcode = 510
pvc_common.stopZKConnection(zk_conn)
return flask.jsonify(retdata), retcode
#
# Ceph endpoints
#
@pvcapi.route('/api/v1/ceph', methods=['GET'])
def api_ceph():
"""
Manage the state of the Ceph storage cluster.
"""
return "Manage the state of the Ceph storage cluster.\n", 209
@pvcapi.route('/api/v1/ceph/status', methods=['GET'])
def api_ceph_status():
"""
Get the current Ceph cluster status.
"""
zk_conn = pvc_common.startZKConnection(zk_host)
retflag, retdata = pvc_ceph.get_status(zk_conn)
if retflag:
retcode = 200
else:
retcode = 510
pvc_common.stopZKConnection(zk_conn)
return flask.jsonify(retdata), retcode
@pvcapi.route('/api/v1/ceph/osd', methods=['GET'])
def api_ceph_osd():
"""
Manage the state of OSDs in the Ceph storage cluster.
"""
return "Manage the state of OSDs in the Ceph storage cluster.\n", 209
@pvcapi.route('/api/v1/ceph/osd/add', methods=['POST'])
def api_ceph_osd_add():
"""
Add a Ceph OSD to the PVC Ceph storage cluster.
"""
pass
@pvcapi.route('/api/v1/ceph/osd/remove', methods=['POST'])
def api_ceph_osd_remove():
"""
Remove a Ceph OSD from the PVC Ceph storage cluster.
"""
pass
@pvcapi.route('/api/v1/ceph/osd/in', methods=['POST'])
def api_ceph_osd_in():
"""
Set in a Ceph OSD in the PVC Ceph storage cluster.
"""
pass
@pvcapi.route('/api/v1/ceph/osd/out', methods=['POST'])
def api_ceph_osd_out():
"""
Set out a Ceph OSD in the PVC Ceph storage cluster.
"""
pass
@pvcapi.route('/api/v1/ceph/osd/set', methods=['POST'])
def api_ceph_osd_set():
"""
Set options on a Ceph OSD in the PVC Ceph storage cluster.
"""
pass
@pvcapi.route('/api/v1/ceph/osd/unset', methods=['POST'])
def api_ceph_osd_unset():
"""
Unset options on a Ceph OSD in the PVC Ceph storage cluster.
"""
pass
@pvcapi.route('/api/v1/ceph/osd/list', methods=['GET'])
def api_ceph_osd_list():
"""
Get the list of OSDs in the Ceph storage cluster.
"""
# Get name limit
if 'limit' in flask.request.args:
limit = flask.request.args['limit']
else:
limit = None
zk_conn = pvc_common.startZKConnection(zk_host)
retflag, retdata = pvc_ceph.get_list_osd(zk_conn, limit)
if retflag:
retcode = 200
else:
retcode = 510
pvc_common.stopZKConnection(zk_conn)
return flask.jsonify(retdata), retcode
@pvcapi.route('/api/v1/ceph/pool', methods=['GET'])
def api_ceph_pool():
"""
Manage the state of RBD pools in the Ceph storage cluster.
"""
return "Manage the state of RBD pools in the Ceph storage cluster.\n", 209
@pvcapi.route('/api/v1/ceph/pool/add', methods=['POST'])
def api_ceph_pool_add():
"""
Add a Ceph RBD pool to the PVC Ceph storage cluster.
"""
pass
@pvcapi.route('/api/v1/ceph/pool/remove', methods=['POST'])
def api_ceph_pool_remove():
"""
Remove a Ceph RBD pool to the PVC Ceph storage cluster.
"""
pass
@pvcapi.route('/api/v1/ceph/pool/list', methods=['GET'])
def api_ceph_pool_list():
"""
Get the list of RBD pools in the Ceph storage cluster.
"""
# Get name limit
if 'limit' in flask.request.args:
limit = flask.request.args['limit']
else:
limit = None
zk_conn = pvc_common.startZKConnection(zk_host)
retflag, retdata = pvc_ceph.get_list_pool(zk_conn, limit)
if retflag:
retcode = 200
else:
retcode = 510
pvc_common.stopZKConnection(zk_conn)
return flask.jsonify(retdata), retcode
@pvcapi.route('/api/v1/ceph/volume', methods=['GET'])
def api_ceph_volume():
"""
Manage the state of RBD volumes in the Ceph storage cluster.
"""
return "Manage the state of RBD volumes in the Ceph storage cluster.\n", 209
@pvcapi.route('/api/v1/ceph/volume/add', methods=['POST'])
def api_ceph_volume_add():
"""
Add a Ceph RBD volume to the PVC Ceph storage cluster.
"""
pass
@pvcapi.route('/api/v1/ceph/volume/remove', methods=['POST'])
def api_ceph_volume_remove():
"""
Remove a Ceph RBD volume to the PVC Ceph storage cluster.
"""
pass
@pvcapi.route('/api/v1/ceph/volume/list', methods=['GET'])
def api_ceph_volume_list():
"""
Get the list of RBD volumes in the Ceph storage cluster.
"""
# Get name limit
if 'limit' in flask.request.args:
limit = flask.request.args['limit']
else:
limit = None
# Get pool limit
if 'pool' in flask.request.args:
pool = flask.request.args['pool']
else:
pool = 'all'
zk_conn = pvc_common.startZKConnection(zk_host)
retflag, retdata = pvc_ceph.get_list_volume(zk_conn, pool, limit)
if retflag:
retcode = 200
else:
retcode = 510
pvc_common.stopZKConnection(zk_conn)
return flask.jsonify(retdata), retcode
@pvcapi.route('/api/v1/ceph/volume/snapshot', methods=['GET'])
def api_ceph_volume_snapshot():
"""
Manage the state of RBD volume snapshots in the Ceph storage cluster.
"""
return "Manage the state of RBD volume snapshots in the Ceph storage cluster.\n", 209
@pvcapi.route('/api/v1/ceph/volume/snapshot/add', methods=['POST'])
def api_ceph_volume_snapshot_add():
"""
Add a Ceph RBD volume snapshot to the PVC Ceph storage cluster.
"""
pass
@pvcapi.route('/api/v1/ceph/volume/snapshot/remove', methods=['POST'])
def api_ceph_volume_snapshot_remove():
"""
Remove a Ceph RBD volume snapshot to the PVC Ceph storage cluster.
"""
pass
@pvcapi.route('/api/v1/ceph/volume/snapshot/list', methods=['GET'])
def api_ceph_volume_snapshot_list():
"""
Get the list of RBD volume snapshots in the Ceph storage cluster.
"""
# Get name limit
if 'limit' in flask.request.args:
limit = flask.request.args['limit']
else:
limit = None
# Get volume limit
if 'volume' in flask.request.args:
volume = flask.request.args['volume']
else:
volume = 'all'
# Get pool limit
if 'pool' in flask.request.args:
pool = flask.request.args['pool']
else:
pool = 'all'
zk_conn = pvc_common.startZKConnection(zk_host)
retflag, retdata = pvc_ceph.get_list_snapshot(zk_conn, pool, volume, limit)
if retflag:
retcode = 200
else:
retcode = 510
pvc_common.stopZKConnection(zk_conn)
return flask.jsonify(retdata), retcode
#
# Entrypoint
#
pvcapi.run()
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