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pvc/client-api/pvc-api.py

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#!/usr/bin/env python3
# api.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 yaml
import os
import gevent.pywsgi
import api_lib.pvcapi as pvcapi
api = flask.Flask(__name__)
api.config['DEBUG'] = True
# Parse the configuration file
try:
pvc_config_file = os.environ['PVC_CONFIG_FILE']
except:
print('Error: The "PVC_CONFIG_FILE" environment variable must be set before starting pvc-api.')
exit(1)
# Read in the config
try:
with open(pvc_config_file, 'r') as cfgfile:
o_config = yaml.load(cfgfile)
except Exception as e:
print('ERROR: Failed to parse configuration file: {}'.format(e))
exit(1)
try:
# Create the config object
config = {
'zookeeper_uri': o_config['pvc']['zookeeper']['uri'],
'listen_address': o_config['pvc']['api']['listen_address'],
'listen_port': int(o_config['pvc']['api']['listen_port']),
'authentication_key': o_config['pvc']['api']['authentication']['key']
}
# Set the config object in the pvcapi namespace
pvcapi.config = config
except Exception as e:
print('ERROR: {}.'.format(e))
exit(1)
def authenticator(function):
def authenticate(*args, **kwargs):
request_values = flask.request.values
if config['authentication_key']:
if 'key' in request_values:
if request_values['key'] == config['authentication_key']:
return function(*args, **kwargs)
else:
return flask.jsonify({"message":"Authentication required"}), 401
else:
return flask.jsonify({"message":"Authentication required"}), 401
else:
return function(*args, **kwargs)
authenticate.__name__ = function.__name__
return authenticate
@api.route('/api/v1', methods=['GET'])
@authenticator
def api_root():
return flask.jsonify({"message":"PVC API version 1"}), 209
#
# Node endpoints
#
@api.route('/api/v1/node', methods=['GET'])
@authenticator
def api_node():
"""
Return a list of nodes with limit LIMIT.
"""
# Get name limit
if 'limit' in flask.request.values:
limit = flask.request.values['limit']
else:
limit = None
return pvcapi.node_list(limit)
@api.route('/api/v1/node/<node>', methods=['GET'])
@authenticator
def api_node_info(node):
"""
Return information about node NODE.
"""
# Same as specifying /node?limit=NODE
return pvcapi.node_list(node)
@api.route('/api/v1/node/<node>/secondary', methods=['POST'])
@authenticator
def api_node_secondary(node):
"""
Take NODE out of primary router mode.
"""
return pvcapi.node_secondary(node)
@api.route('/api/v1/node/<node>/primary', methods=['POST'])
@authenticator
def api_node_primary(node):
"""
Set NODE to primary router mode.
"""
return pvcapi.node_primary(node)
@api.route('/api/v1/node/<node>/flush', methods=['POST'])
@authenticator
def api_node_flush(node):
"""
Flush NODE of running VMs.
"""
return pvcapi.node_flush(node)
@api.route('/api/v1/node/<node>/unflush', methods=['POST'])
@api.route('/api/v1/node/<node>/ready', methods=['POST'])
@authenticator
def api_node_ready(node):
"""
Restore NODE to active service.
"""
return pvcapi.node_ready(node)
#
# VM endpoints
#
@api.route('/api/v1/vm', methods=['GET'])
@authenticator
def api_vm():
"""
Return a list of VMs with limit LIMIT.
"""
# Get node limit
if 'node' in flask.request.values:
node = flask.request.values['node']
else:
node = None
# Get state limit
if 'state' in flask.request.values:
state = flask.request.values['state']
else:
state = None
# Get name limit
if 'limit' in flask.request.values:
limit = flask.request.values['limit']
else:
limit = None
return pvcapi.vm_list(node, state, limit)
@api.route('/api/v1/vm/<vm>', methods=['GET'])
@authenticator
def api_vm_info(vm):
"""
Get information about a virtual machine named VM.
"""
# Same as specifying /vm?limit=VM
return pvcapi.vm_list(None, None, vm, is_fuzzy=False)
# TODO: #22
#@api.route('/api/v1/vm/<vm>/add', methods=['POST'])
#@authenticator
#def api_vm_add(vm):
# """
# Add a virtual machine named VM.
# """
# return pvcapi.vm_add()
@api.route('/api/v1/vm/<vm>/define', methods=['POST'])
@authenticator
def api_vm_define(vm):
"""
Define a virtual machine named VM from Libvirt XML.
"""
# Get XML data
if 'xml' in flask.request.values:
libvirt_xml = flask.request.values['xml']
else:
return flask.jsonify({"message":"ERROR: A Libvirt XML document must be specified."}), 520
# Get node name
if 'node' in flask.request.values:
node = flask.request.values['node']
else:
node = None
# Get target selector
if 'selector' in flask.request.values:
selector = flask.request.values['selector']
else:
selector = None
return pvcapi.vm_define(vm, libvirt_xml, node, selector)
@api.route('/api/v1/vm/<vm>/modify', methods=['POST'])
@authenticator
def api_vm_modify(vm):
"""
Modify an existing virtual machine named VM from Libvirt XML.
"""
# Get XML from the POST body
libvirt_xml = flask.request.data
# Get node name
if 'flag_restart' in flask.request.values:
flag_restart = flask.request.values['flag_restart']
else:
flag_restart = None
return pvcapi.vm_modify(vm, flag_restart, libvirt_xml)
@api.route('/api/v1/vm/<vm>/undefine', methods=['POST'])
@authenticator
def api_vm_undefine(vm):
"""
Undefine a virtual machine named VM.
"""
return pvcapi.vm_undefine(vm)
@api.route('/api/v1/vm/<vm>/remove', methods=['POST'])
@authenticator
def api_vm_remove(vm):
"""
Remove a virtual machine named VM including all disks.
"""
return pvcapi.vm_remove(vm)
@api.route('/api/v1/vm/<vm>/dump', methods=['GET'])
@authenticator
def api_vm_dump(vm):
"""
Dump the Libvirt XML configuration of a virtual machine named VM.
"""
return pvcapi.vm_dump(vm)
@api.route('/api/v1/vm/<vm>/start', methods=['POST'])
@authenticator
def api_vm_start(vm):
"""
Start a virtual machine named VM.
"""
return pvcapi.vm_start(vm)
@api.route('/api/v1/vm/<vm>/restart', methods=['POST'])
@authenticator
def api_vm_restart(vm):
"""
Restart a virtual machine named VM.
"""
return pvcapi.vm_restart(vm)
@api.route('/api/v1/vm/<vm>/shutdown', methods=['POST'])
@authenticator
def api_vm_shutdown(vm):
"""
Shutdown a virtual machine named VM.
"""
return pvcapi.vm_shutdown(vm)
@api.route('/api/v1/vm/<vm>/stop', methods=['POST'])
@authenticator
def api_vm_stop(vm):
"""
Forcibly stop a virtual machine named VM.
"""
return pvcapi.vm_stop(vm)
@api.route('/api/v1/vm/<vm>/move', methods=['POST'])
@authenticator
def api_vm_move(vm):
"""
Move a virtual machine named VM to another node.
"""
# Get node name
if 'node' in flask.request.values:
node = flask.request.values['node']
else:
node = None
# Get target selector
if 'selector' in flask.request.values:
selector = flask.request.values['selector']
else:
selector = None
return pvcapi.vm_move(vm, node, selector)
@api.route('/api/v1/vm/<vm>/migrate', methods=['POST'])
@authenticator
def api_vm_migrate(vm):
"""
Temporarily migrate a virtual machine named VM to another node.
"""
# Get node name
if 'node' in flask.request.values:
node = flask.request.values['node']
else:
node = None
# Get target selector
if 'selector' in flask.request.values:
selector = flask.request.values['selector']
else:
selector = None
# Get target selector
if 'flag_force' in flask.request.values:
flag_force = True
else:
flag_force = False
return pvcapi.vm_migrate(vm, node, selector, flag_force)
@api.route('/api/v1/vm/<vm>/unmigrate', methods=['POST'])
@authenticator
def api_vm_unmigrate(vm):
"""
Unmigrate a migrated virtual machine named VM.
"""
return pvcapi.vm_move(vm)
#
# Network endpoints
#
@api.route('/api/v1/network', methods=['GET'])
@authenticator
def api_net():
"""
Return a list of virtual client networks with limit LIMIT.
"""
# Get name limit
if 'limit' in flask.request.values:
limit = flask.request.values['limit']
else:
limit = None
return pvcapi.net_list(limit)
@api.route('/api/v1/network/<network>', methods=['GET'])
@authenticator
def api_net_info(network):
"""
Get information about a virtual client network with description NETWORK.
"""
# Same as specifying /network?limit=NETWORK
return pvcapi.net_list(network)
@api.route('/api/v1/network/<network>/add', methods=['POST'])
@authenticator
def api_net_add(network):
"""
Add a virtual client network with description NETWORK.
"""
# Get network VNI
if 'vni' in flask.request.values:
vni = flask.request.values['vni']
else:
return flask.jsonify({"message":"ERROR: A VNI must be specified for the virtual network."}), 520
# Get network type
if 'nettype' in flask.request.values:
nettype = flask.request.values['nettype']
if not 'managed' in nettype and not 'bridged' in nettype:
return flask.jsonify({"message":"ERROR: A valid nettype must be specified: 'managed' or 'bridged'."}), 520
else:
return flask.jsonify({"message":"ERROR: A nettype must be specified for the virtual network."}), 520
# Get network domain
if 'domain' in flask.request.values:
domain = flask.request.values['domain']
else:
domain = None
# Get ipv4 network
if 'ip4_network' in flask.request.values:
ip4_network = flask.request.values['ip4_network']
else:
ip4_network = None
# Get ipv4 gateway
if 'ip4_gateway' in flask.request.values:
ip4_gateway = flask.request.values['ip4_gateway']
else:
ip4_gateway = None
# Get ipv6 network
if 'ip6_network' in flask.request.values:
ip6_network = flask.request.values['ip6_network']
else:
ip6_network = None
# Get ipv6 gateway
if 'ip6_gateway' in flask.request.values:
ip6_gateway = flask.request.values['ip6_gateway']
else:
ip6_gateway = None
# Get ipv4 DHCP flag
if 'flag_dhcp4' in flask.request.values:
dhcp4_flag = True
else:
dhcp4_flag = False
# Get ipv4 DHCP start
if 'dhcp4_start' in flask.request.values:
dhcp4_start = flask.request.values['dhcp4_start']
else:
dhcp4_start = None
# Get ipv4 DHCP end
if 'dhcp4_end' in flask.request.values:
dhcp4_end = flask.request.values['dhcp4_end']
else:
dhcp4_end = None
return pvcapi.net_add(vni, network, nettype, domain,
ip4_network, ip4_gateway, ip6_network, ip6_gateway,
dhcp4_flag, dhcp4_start, dhcp4_end)
@api.route('/api/v1/network/<network>/modify', methods=['POST'])
@authenticator
def api_net_modify(network):
"""
Modify a virtual client network with description NETWORK.
"""
# Get network VNI
if 'vni' in flask.request.values:
vni = flask.request.values['vni']
else:
vni = None
# Get network type
if 'nettype' in flask.request.values:
nettype = flask.request.values['nettype']
else:
vni = None
# Get network domain
if 'domain' in flask.request.values:
domain = flask.request.values['domain']
else:
domain = None
# Get ipv4 network
if 'ip4_network' in flask.request.values:
ip4_network = flask.request.values['ip4_network']
else:
ip4_network = None
# Get ipv4 gateway
if 'ip4_gateway' in flask.request.values:
ip4_gateway = flask.request.values['ip4_gateway']
else:
ip4_gateway = None
# Get ipv6 network
if 'ip6_network' in flask.request.values:
ip6_network = flask.request.values['ip6_network']
else:
ip6_network = None
# Get ipv6 gateway
if 'ip6_gateway' in flask.request.values:
ip6_gateway = flask.request.values['ip6_gateway']
else:
ip6_gateway = None
# Get ipv4 DHCP flag
if 'flag_dhcp4' in flask.request.values:
dhcp4_flag = True
else:
dhcp4_flag = False
# Get ipv4 DHCP start
if 'dhcp4_start' in flask.request.values:
dhcp4_start = flask.request.values['dhcp4_start']
else:
dhcp4_start = None
# Get ipv4 DHCP end
if 'dhcp4_end' in flask.request.values:
dhcp4_end = flask.request.values['dhcp4_end']
else:
dhcp4_end = None
return pvcapi.net_modify(vni, network, nettype, domain,
ip4_network, ip4_gateway, ip6_network, ip6_gateway,
dhcp4_flag, dhcp4_start, dhcp4_end)
@api.route('/api/v1/network/<network>/remove', methods=['POST'])
@authenticator
def api_net_remove(network):
"""
Remove a virtual client network with description NETWORK.
"""
return pvcapi.net_remove(network)
@api.route('/api/v1/network/<network>/dhcp', methods=['GET'])
@authenticator
def api_net_dhcp(network):
"""
Return a list of DHCP leases in virtual client network with description NETWORK with limit LIMIT.
"""
# Get name limit
if 'limit' in flask.request.values:
limit = flask.request.values['limit']
else:
limit = None
# Get static-only flag
if 'flag_static' in flask.request.values:
flag_static = True
else:
flag_static = False
return pvcapi.net_dhcp_list(network, limit. flag_static)
@api.route('/api/v1/network/<network>/dhcp/<lease>', methods=['GET'])
@authenticator
def api_net_dhcp_info(network, lease):
"""
Get information about a DHCP lease for MAC address LEASE in virtual client network with description NETWORK.
"""
# Same as specifying /network?limit=NETWORK
return pvcapi.net_dhcp_list(network, lease, False)
@api.route('/api/v1/network/<network>/dhcp/<lease>/add', methods=['POST'])
@authenticator
def api_net_dhcp_add(network, lease):
"""
Add a static DHCP lease for MAC address LEASE to virtual client network with description NETWORK.
"""
# Get lease ipaddress
if 'ipaddress' in flask.request.values:
ipaddress = flask.request.values['ipaddress']
else:
return flask.jsonify({"message":"ERROR: An IP address must be specified for the lease."}), 520
# Get lease hostname
if 'hostname' in flask.request.values:
hostname = flask.request.values['hostname']
else:
hostname = None
return pvcapi.net_dhcp_add(network, ipaddress, lease, hostname)
@api.route('/api/v1/network/<network>/dhcp/<lease>/remove', methods=['POST'])
@authenticator
def api_net_dhcp_remove(network, lease):
"""
Remove a static DHCP lease for MAC address LEASE from virtual client network with description NETWORK.
"""
return pvcapi.net_dhcp_remove(network, lease)
@api.route('/api/v1/network/<network>/acl', methods=['GET'])
@authenticator
def api_net_acl(network):
"""
Return a list of network ACLs in network NETWORK with limit LIMIT.
"""
# Get name limit
if 'limit' in flask.request.values:
limit = flask.request.values['limit']
else:
limit = None
# Get direction limit
if 'direction' in flask.request.values:
direction = flask.request.values['direction']
if not 'in' in direction and not 'out' in direction:
return flash.jsonify({"message":"ERROR: Direction must be either 'in' or 'out'; for both, do not specify a direction."}), 510
else:
direction = None
return pvcapi.net_acl_list(network, limit, direction)
@api.route('/api/v1/network/<network>/acl/<acl>', methods=['GET'])
@authenticator
def api_net_acl_info(network, acl):
"""
Get information about a network access control entry with description ACL in virtual client network with description NETWORK.
"""
# Same as specifying /network?limit=NETWORK
return pvcapi.net_acl_list(network, acl, None)
@api.route('/api/v1/network/<network>/acl/<acl>/add', methods=['POST'])
@authenticator
def api_net_acl_add(network, acl):
"""
Add an access control list with description ACL to virtual client network with description NETWORK.
"""
# Get rule direction
if 'direction' in flask.request.values:
direction = flask.request.values['limit']
if not 'in' in direction and not 'out' in direction:
return flask.jsonify({"message":"ERROR: Direction must be either 'in' or 'out'."}), 510
else:
return flask.jsonify({"message":"ERROR: A direction must be specified for the ACL."}), 510
# Get rule data
if 'rule' in flask.request.values:
rule = flask.request.values['rule']
else:
return flask.jsonify({"message":"ERROR: A valid NFT rule line must be specified for the ACL."}), 510
# Get order value
if 'order' in flask.request.values:
order = flask.request.values['order']
else:
order = None
return pvcapi.net_acl_add(network, direction, acl, rule, order)
@api.route('/api/v1/network/<network>/acl/<acl>/remove', methods=['POST'])
@authenticator
def api_net_acl_remove(network, acl):
"""
Remove an access control list with description ACL from virtual client network with description NETWORK.
"""
# Get rule direction
if 'direction' in flask.request.values:
direction = flask.request.values['limit']
if not 'in' in direction and not 'out' in direction:
return flask.jsonify({"message":"ERROR: Direction must be either 'in' or 'out'."}), 510
else:
return flask.jsonify({"message":"ERROR: A direction must be specified for the ACL."}), 510
return pvcapi.net_acl_remove(network, direction, acl)
#
# Ceph endpoints
#
@api.route('/api/v1/ceph', methods=['GET'])
@authenticator
def api_ceph():
"""
Get the current Ceph cluster status.
"""
return pvcapi.ceph_status()
@api.route('/api/v1/ceph/osd', methods=['GET'])
@authenticator
def api_ceph_osd():
"""
Get the list of OSDs in the Ceph storage cluster.
"""
# Get name limit
if 'limit' in flask.request.values:
limit = flask.request.values['limit']
else:
limit = None
return pvcapi.ceph_osd_list(limit)
@api.route('/api/v1/ceph/osd/set', methods=['POST'])
@authenticator
def api_ceph_osd_set():
"""
Set OSD option OPTION on the PVC Ceph storage cluster, e.g. 'noout' or 'noscrub'.
"""
# Get OSD option
if 'option' in flask.request.options:
option = flask.request.options['option']
else:
return flask.jsonify({"message":"ERROR: An OSD option must be specified."}), 510
return pvcapi.ceph_osd_set(option)
@api.route('/api/v1/ceph/osd/unset', methods=['POST'])
@authenticator
def api_ceph_osd_unset():
"""
Unset OSD option OPTION on the PVC Ceph storage cluster, e.g. 'noout' or 'noscrub'.
"""
# Get OSD option
if 'option' in flask.request.options:
option = flask.request.options['option']
else:
return flask.jsonify({"message":"ERROR: An OSD option must be specified."}), 510
return pvcapi.ceph_osd_unset(option)
@api.route('/api/v1/ceph/osd/<osd>', methods=['GET'])
@authenticator
def api_ceph_osd_info(osd):
"""
Get information about an OSD with ID OSD.
"""
# Same as specifying /osd?limit=OSD
return pvcapi.ceph_osd_list(osd)
@api.route('/api/v1/ceph/osd/<node>/add', methods=['POST'])
@authenticator
def api_ceph_osd_add(node):
"""
Add a Ceph OSD to node NODE.
"""
# Get OSD device
if 'device' in flask.request.devices:
device = flask.request.devices['device']
else:
return flask.jsonify({"message":"ERROR: A block device must be specified."}), 510
# Get OSD weight
if 'weight' in flask.request.weights:
weight = flask.request.weights['weight']
else:
return flask.jsonify({"message":"ERROR: An OSD weight must be specified."}), 510
return pvcapi.ceph_osd_add(node, device, weight)
@api.route('/api/v1/ceph/osd/<osd>/remove', methods=['POST'])
@authenticator
def api_ceph_osd_remove(osd):
"""
Remove a Ceph OSD with ID OSD.
"""
# Verify yes-i-really-mean-it flag
if not 'flag_yes_i_really_mean_it' in flask.request.values:
return flask.jsonify({"message":"ERROR: This command can have unintended consequences and should not be automated; if you're sure you know what you're doing, resend with the argument 'flag_yes_i_really_mean_it'."}), 599
return pvcapi.ceph_osd_remove(osd)
@api.route('/api/v1/ceph/osd/<osd>/in', methods=['POST'])
@authenticator
def api_ceph_osd_in(osd):
"""
Set in a Ceph OSD with ID OSD.
"""
return pvcapi.ceph_osd_in(osd)
@api.route('/api/v1/ceph/osd/<osd>/out', methods=['POST'])
@authenticator
def api_ceph_osd_out(osd):
"""
Set out a Ceph OSD with ID OSD.
"""
return pvcapi.ceph_osd_out(osd)
@api.route('/api/v1/ceph/pool', methods=['GET'])
@authenticator
def api_ceph_pool():
"""
Get the list of RBD pools in the Ceph storage cluster.
"""
# Get name limit
if 'limit' in flask.request.values:
limit = flask.request.values['limit']
else:
limit = None
return pvcapi.ceph_pool_list(limit)
@api.route('/api/v1/ceph/pool/<pool>', methods=['GET'])
@authenticator
def api_ceph_pool_info(pool):
"""
Get information about an RBD pool with name POOL.
"""
# Same as specifying /pool?limit=POOL
return pvcapi.ceph_pool_list(pool)
@api.route('/api/v1/ceph/pool/<pool>/add', methods=['POST'])
@authenticator
def api_ceph_pool_add(pool):
"""
Add a Ceph RBD pool with name POOL.
"""
# Get placement groups
if 'pgs' in flask.request.values:
pgs = flask.request.values['pgs']
else:
# We default to a very small number; DOCUMENT THIS
pgs = 128
return pvcapi.ceph_pool_add(pool, pgs)
@api.route('/api/v1/ceph/pool/<pool>/remove', methods=['POST'])
@authenticator
def api_ceph_pool_remove(pool):
"""
Remove a Ceph RBD pool with name POOL.
"""
# Verify yes-i-really-mean-it flag
if not 'flag_yes_i_really_mean_it' in flask.request.values:
return flask.jsonify({"message":"ERROR: This command can have unintended consequences and should not be automated; if you're sure you know what you're doing, resend with the argument 'flag_yes_i_really_mean_it'."}), 599
return pvcapi.ceph_pool_remove(pool)
@api.route('/api/v1/ceph/volume', methods=['GET'])
@authenticator
def api_ceph_volume():
"""
Get the list of RBD volumes in the Ceph storage cluster.
"""
# Get pool limit
if 'pool' in flask.request.values:
pool = flask.request.values['pool']
else:
pool = None
# Get name limit
if 'limit' in flask.request.values:
limit = flask.request.values['limit']
else:
limit = None
return pvcapi.ceph_volume_list(pool, limit)
@api.route('/api/v1/ceph/volume/<pool>/<volume>', methods=['GET'])
@authenticator
def api_ceph_volume_info(pool, volume):
"""
Get information about an RBD volume with name VOLUME in RBD pool with name POOL.
"""
# Same as specifying /volume?limit=VOLUME
return pvcapi.ceph_osd_list(pool, osd)
@api.route('/api/v1/ceph/volume/<pool>/<volume>/add', methods=['POST'])
@authenticator
def api_ceph_volume_add(pool, volume):
"""
Add a Ceph RBD volume with name VOLUME to RBD pool with name POOL.
"""
# Get volume size
if 'size' in flask.request.values:
size = flask.request.values['size']
else:
return flask.jsonify({"message":"ERROR: A volume size in bytes (or with an M/G/T suffix) must be specified."}), 510
return pvcapi.ceph_volume_add(pool, volume, size)
@api.route('/api/v1/ceph/volume/<pool>/<volume>/remove', methods=['POST'])
@authenticator
def api_ceph_volume_remove(pool, volume):
"""
Remove a Ceph RBD volume with name VOLUME from RBD pool with name POOL.
"""
return pvcapi.ceph_volume_remove(pool, volume)
@api.route('/api/v1/ceph/volume/snapshot', methods=['GET'])
@authenticator
def api_ceph_volume_snapshot():
"""
Get the list of RBD volume snapshots in the Ceph storage cluster.
"""
# Get pool limit
if 'pool' in flask.request.values:
pool = flask.request.values['pool']
else:
pool = None
# Get volume limit
if 'volume' in flask.request.values:
volume = flask.request.values['volume']
else:
volume = None
# Get name limit
if 'limit' in flask.request.values:
limit = flask.request.values['limit']
else:
limit = None
return pvcapi.ceph_volume_snapshot_list(pool, volume, limit)
@api.route('/api/v1/ceph/volume/snapshot/<pool>/<volume>/<snapshot>', methods=['GET'])
@authenticator
def api_ceph_volume_snapshot_info(pool, volume, snapshot):
"""
Get information about a snapshot with name SNAPSHOT of RBD volume with name VOLUME in RBD pool with name POOL.
"""
# Same as specifying /snapshot?limit=VOLUME
return pvcapi.ceph_snapshot_list(pool, volume, snapshot)
@api.route('/api/v1/ceph/volume/snapshot/<pool>/<volume>/<snapshot>/add', methods=['POST'])
@authenticator
def api_ceph_volume_snapshot_add(pool, volume, snapshot):
"""
Add a Ceph RBD volume snapshot with name SNAPSHOT of RBD volume with name VOLUME in RBD pool with name POOL.
"""
return pvcapi.ceph_volume_snapshot_add(pool, volume, snapshot)
@api.route('/api/v1/ceph/volume/snapshot/<pool>/<volume>/<snapshot>/remove', methods=['POST'])
@authenticator
def api_ceph_volume_snapshot_remove(pool, volume, snapshot):
"""
Remove a Ceph RBD volume snapshot with name SNAPSHOT from RBD volume with name VOLUME in RBD pool with name POOL.
"""
return pvcapi.ceph_volume_snapshot_remove(pool, volume, snapshot)
#
# Entrypoint
#
http_server = gevent.pywsgi.WSGIServer((config['listen_address'], config['listen_port']), api)
http_server.serve_forever()
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