1560 lines
42 KiB
Python
Executable File
1560 lines
42 KiB
Python
Executable File
#!/usr/bin/env python3
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# helper.py - PVC HTTP API helper functions
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# Part of the Parallel Virtual Cluster (PVC) system
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#
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# Copyright (C) 2018-2020 Joshua M. Boniface <joshua@boniface.me>
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <https://www.gnu.org/licenses/>.
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#
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###############################################################################
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import flask
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import json
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import lxml.etree as etree
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from distutils.util import strtobool as dustrtobool
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import daemon_lib.common as pvc_common
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import daemon_lib.cluster as pvc_cluster
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import daemon_lib.node as pvc_node
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import daemon_lib.vm as pvc_vm
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import daemon_lib.network as pvc_network
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import daemon_lib.ceph as pvc_ceph
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def strtobool(stringv):
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if stringv is None:
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return False
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if isinstance(stringv, bool):
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return bool(stringv)
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try:
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return bool(dustrtobool(stringv))
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except:
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return False
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#
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# Initialization function
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#
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def initialize_cluster():
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# Open a Zookeeper connection
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zk_conn = pvc_common.startZKConnection(config['coordinators'])
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# Abort if we've initialized the cluster before
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if zk_conn.exists('/primary_node'):
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return False
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# Create the root keys
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transaction = zk_conn.transaction()
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transaction.create('/primary_node', 'none'.encode('ascii'))
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transaction.create('/upstream_ip', 'none'.encode('ascii'))
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transaction.create('/maintenance', 'False'.encode('ascii'))
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transaction.create('/nodes', ''.encode('ascii'))
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transaction.create('/domains', ''.encode('ascii'))
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transaction.create('/networks', ''.encode('ascii'))
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transaction.create('/ceph', ''.encode('ascii'))
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transaction.create('/ceph/osds', ''.encode('ascii'))
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transaction.create('/ceph/pools', ''.encode('ascii'))
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transaction.create('/ceph/volumes', ''.encode('ascii'))
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transaction.create('/ceph/snapshots', ''.encode('ascii'))
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transaction.create('/cmd', ''.encode('ascii'))
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transaction.create('/cmd/domains', ''.encode('ascii'))
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transaction.create('/cmd/ceph', ''.encode('ascii'))
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transaction.create('/locks', ''.encode('ascii'))
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transaction.create('/locks/flush_lock', ''.encode('ascii'))
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transaction.create('/locks/primary_node', ''.encode('ascii'))
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transaction.commit()
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# Close the Zookeeper connection
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pvc_common.stopZKConnection(zk_conn)
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return True
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#
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# Cluster functions
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#
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def cluster_status():
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"""
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Get the overall status of the PVC cluster
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"""
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zk_conn = pvc_common.startZKConnection(config['coordinators'])
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retflag, retdata = pvc_cluster.get_info(zk_conn)
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pvc_common.stopZKConnection(zk_conn)
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return retdata, 200
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def cluster_maintenance(maint_state='false'):
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"""
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Set the cluster in or out of maintenance state
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"""
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zk_conn = pvc_common.startZKConnection(config['coordinators'])
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retflag, retdata = pvc_cluster.set_maintenance(zk_conn, maint_state)
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pvc_common.stopZKConnection(zk_conn)
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retdata = {
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'message': retdata
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}
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if retflag:
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retcode = 200
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else:
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retcode = 400
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return retdata, retcode
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#
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# Node functions
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#
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def node_list(limit=None, is_fuzzy=True):
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"""
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Return a list of nodes with limit LIMIT.
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"""
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zk_conn = pvc_common.startZKConnection(config['coordinators'])
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retflag, retdata = pvc_node.get_list(zk_conn, limit, is_fuzzy=is_fuzzy)
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pvc_common.stopZKConnection(zk_conn)
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if retflag:
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if retdata:
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retcode = 200
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else:
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retcode = 404
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retdata = {
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'message': 'Node not found.'
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}
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else:
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retcode = 400
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retdata = {
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'message': retdata
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}
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# If this is a single element, strip it out of the list
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if isinstance(retdata, list) and len(retdata) == 1:
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retdata = retdata[0]
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return retdata, retcode
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def node_daemon_state(node):
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"""
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Return the daemon state of node NODE.
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"""
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zk_conn = pvc_common.startZKConnection(config['coordinators'])
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retflag, retdata = pvc_node.get_list(zk_conn, node, is_fuzzy=False)
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pvc_common.stopZKConnection(zk_conn)
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if retflag:
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if retdata:
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retcode = 200
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retdata = {
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'name': node,
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'daemon_state': retdata[0]['daemon_state']
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}
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else:
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retcode = 404
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retdata = {
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'message': 'Node not found.'
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}
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else:
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retcode = 400
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retdata = {
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'message': retdata
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}
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return retdata, retcode
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def node_coordinator_state(node):
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"""
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Return the coordinator state of node NODE.
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"""
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zk_conn = pvc_common.startZKConnection(config['coordinators'])
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retflag, retdata = pvc_node.get_list(zk_conn, node, is_fuzzy=False)
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pvc_common.stopZKConnection(zk_conn)
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if retflag:
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if retdata:
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retcode = 200
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retdata = {
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'name': node,
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'coordinator_state': retdata[0]['coordinator_state']
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}
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else:
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retcode = 404
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retdata = {
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'message': 'Node not found.'
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}
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else:
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retcode = 400
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retdata = {
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'message': retdata
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}
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return retdata, retcode
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def node_domain_state(node):
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"""
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Return the domain state of node NODE.
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"""
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zk_conn = pvc_common.startZKConnection(config['coordinators'])
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retflag, retdata = pvc_node.get_list(zk_conn, node, is_fuzzy=False)
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pvc_common.stopZKConnection(zk_conn)
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if retflag:
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if retdata:
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retcode = 200
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retdata = {
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'name': node,
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'domain_state': retdata[0]['domain_state']
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}
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else:
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retcode = 404
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retdata = {
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'message': 'Node not found.'
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}
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else:
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retcode = 400
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return retdata, retcode
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def node_secondary(node):
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"""
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Take NODE out of primary router mode.
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"""
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zk_conn = pvc_common.startZKConnection(config['coordinators'])
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retflag, retdata = pvc_node.secondary_node(zk_conn, node)
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pvc_common.stopZKConnection(zk_conn)
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if retflag:
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retcode = 200
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else:
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retcode = 400
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output = {
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'message': retdata.replace('\"', '\'')
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}
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return output, retcode
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def node_primary(node):
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"""
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Set NODE to primary router mode.
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"""
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zk_conn = pvc_common.startZKConnection(config['coordinators'])
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retflag, retdata = pvc_node.primary_node(zk_conn, node)
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pvc_common.stopZKConnection(zk_conn)
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if retflag:
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retcode = 200
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else:
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retcode = 400
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output = {
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'message': retdata.replace('\"', '\'')
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}
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return output, retcode
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def node_flush(node, wait):
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"""
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Flush NODE of running VMs.
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"""
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zk_conn = pvc_common.startZKConnection(config['coordinators'])
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retflag, retdata = pvc_node.flush_node(zk_conn, node, wait)
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pvc_common.stopZKConnection(zk_conn)
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if retflag:
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retcode = 200
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else:
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retcode = 400
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output = {
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'message': retdata.replace('\"', '\'')
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}
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return output, retcode
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def node_ready(node, wait):
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"""
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Restore NODE to active service.
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"""
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zk_conn = pvc_common.startZKConnection(config['coordinators'])
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retflag, retdata = pvc_node.ready_node(zk_conn, node, wait)
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pvc_common.stopZKConnection(zk_conn)
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if retflag:
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retcode = 200
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else:
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retcode = 400
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output = {
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'message': retdata.replace('\"', '\'')
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}
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return output, retcode
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#
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# VM functions
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#
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def vm_is_migrated(vm):
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"""
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Determine if a VM is migrated or not
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"""
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zk_conn = pvc_common.startZKConnection(config['coordinators'])
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retdata = pvc_vm.is_migrated(zk_conn, vm)
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pvc_common.stopZKConnection(zk_conn)
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return retdata
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def vm_state(vm):
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"""
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Return the state of virtual machine VM.
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"""
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zk_conn = pvc_common.startZKConnection(config['coordinators'])
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retflag, retdata = pvc_vm.get_list(zk_conn, None, None, vm, is_fuzzy=False)
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pvc_common.stopZKConnection(zk_conn)
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# If this is a single element, strip it out of the list
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if isinstance(retdata, list) and len(retdata) == 1:
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retdata = retdata[0]
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if retflag:
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if retdata:
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retcode = 200
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retdata = {
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'name': vm,
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'state': retdata['state']
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}
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else:
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retcode = 404
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retdata = {
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'message': 'VM not found.'
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}
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else:
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retcode = 400
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retdata = {
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'message': retdata
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}
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return retdata, retcode
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def vm_node(vm):
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"""
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Return the current node of virtual machine VM.
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"""
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zk_conn = pvc_common.startZKConnection(config['coordinators'])
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retflag, retdata = pvc_vm.get_list(zk_conn, None, None, vm, is_fuzzy=False)
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pvc_common.stopZKConnection(zk_conn)
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# If this is a single element, strip it out of the list
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if isinstance(retdata, list) and len(retdata) == 1:
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retdata = retdata[0]
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if retflag:
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if retdata:
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retcode = 200
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retdata = {
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'name': vm,
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'node': retdata['node'],
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'last_node': retdata['last_node']
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}
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else:
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retcode = 404
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retdata = {
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'message': 'VM not found.'
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}
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else:
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retcode = 400
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retdata = {
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'message': retdata
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}
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return retdata, retcode
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def vm_console(vm, lines=None):
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"""
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Return the current console log for VM.
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"""
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# Default to 10 lines of log if not set
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try:
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lines = int(lines)
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except TypeError:
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lines = 10
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zk_conn = pvc_common.startZKConnection(config['coordinators'])
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retflag, retdata = pvc_vm.get_console_log(zk_conn, vm, lines)
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pvc_common.stopZKConnection(zk_conn)
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if retflag:
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retcode = 200
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retdata = {
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'name': vm,
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'data': retdata
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}
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else:
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retcode = 400
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retdata = {
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'message': retdata
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}
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return retdata, retcode
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def vm_list(node=None, state=None, limit=None, is_fuzzy=True):
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"""
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Return a list of VMs with limit LIMIT.
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"""
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zk_conn = pvc_common.startZKConnection(config['coordinators'])
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retflag, retdata = pvc_vm.get_list(zk_conn, node, state, limit, is_fuzzy)
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pvc_common.stopZKConnection(zk_conn)
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# If this is a single element, strip it out of the list
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if isinstance(retdata, list) and len(retdata) == 1:
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retdata = retdata[0]
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if retflag:
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if retdata:
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retcode = 200
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else:
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retcode = 404
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retdata = {
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'message': 'VM not found.'
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}
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else:
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retcode = 400
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retdata = {
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'message': retdata
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}
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return retdata, retcode
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def vm_define(xml, node, limit, selector, autostart):
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"""
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Define a VM from Libvirt XML in the PVC cluster.
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"""
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# Verify our XML is sensible
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try:
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xml_data = etree.fromstring(xml)
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new_cfg = etree.tostring(xml_data, pretty_print=True).decode('utf8')
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except Exception as e:
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return { 'message': 'XML is malformed or incorrect: {}'.format(e) }, 400
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zk_conn = pvc_common.startZKConnection(config['coordinators'])
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retflag, retdata = pvc_vm.define_vm(zk_conn, new_cfg, node, limit, selector, autostart, profile=None)
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pvc_common.stopZKConnection(zk_conn)
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if retflag:
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retcode = 200
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else:
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retcode = 400
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output = {
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'message': retdata.replace('\"', '\'')
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}
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return output, retcode
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def get_vm_meta(vm):
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"""
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Get metadata of a VM.
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"""
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zk_conn = pvc_common.startZKConnection(config['coordinators'])
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retflag, retdata = pvc_vm.get_list(zk_conn, None, None, vm, is_fuzzy=False)
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pvc_common.stopZKConnection(zk_conn)
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# If this is a single element, strip it out of the list
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if isinstance(retdata, list) and len(retdata) == 1:
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retdata = retdata[0]
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if retflag:
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if retdata:
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retcode = 200
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retdata = {
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'name': vm,
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'node_limit': retdata['node_limit'],
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'node_selector': retdata['node_selector'],
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'node_autostart': retdata['node_autostart']
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}
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else:
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retcode = 404
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retdata = {
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'message': 'VM not found.'
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}
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else:
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retcode = 400
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retdata = {
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'message': retdata
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}
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return retdata, retcode
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def update_vm_meta(vm, limit, selector, autostart, provisioner_profile):
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"""
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Update metadata of a VM.
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"""
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zk_conn = pvc_common.startZKConnection(config['coordinators'])
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if autostart is not None:
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try:
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autostart = bool(strtobool(autostart))
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except:
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autostart = False
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retflag, retdata = pvc_vm.modify_vm_metadata(zk_conn, vm, limit, selector, autostart, provisioner_profile)
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pvc_common.stopZKConnection(zk_conn)
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if retflag:
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retcode = 200
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else:
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retcode = 400
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output = {
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'message': retdata.replace('\"', '\'')
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}
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return output, retcode
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def vm_modify(name, restart, xml):
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"""
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Modify a VM Libvirt XML in the PVC cluster.
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"""
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# Verify our XML is sensible
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try:
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xml_data = etree.fromstring(xml)
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new_cfg = etree.tostring(xml_data, pretty_print=True).decode('utf8')
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except Exception as e:
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return { 'message': 'XML is malformed or incorrect: {}'.format(e) }, 400
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zk_conn = pvc_common.startZKConnection(config['coordinators'])
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retflag, retdata = pvc_vm.modify_vm(zk_conn, name, restart, new_cfg)
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pvc_common.stopZKConnection(zk_conn)
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if retflag:
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retcode = 200
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else:
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retcode = 400
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output = {
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'message': retdata.replace('\"', '\'')
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}
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return output, retcode
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def vm_undefine(name):
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"""
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Undefine a VM from the PVC cluster.
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"""
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zk_conn = pvc_common.startZKConnection(config['coordinators'])
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retflag, retdata = pvc_vm.undefine_vm(zk_conn, name)
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pvc_common.stopZKConnection(zk_conn)
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if retflag:
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retcode = 200
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else:
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retcode = 400
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output = {
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'message': retdata.replace('\"', '\'')
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}
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return output, retcode
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def vm_remove(name):
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"""
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Remove a VM from the PVC cluster.
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"""
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zk_conn = pvc_common.startZKConnection(config['coordinators'])
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retflag, retdata = pvc_vm.remove_vm(zk_conn, name)
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pvc_common.stopZKConnection(zk_conn)
|
|
|
|
if retflag:
|
|
retcode = 200
|
|
else:
|
|
retcode = 400
|
|
|
|
output = {
|
|
'message': retdata.replace('\"', '\'')
|
|
}
|
|
return output, retcode
|
|
|
|
def vm_start(name):
|
|
"""
|
|
Start a VM in the PVC cluster.
|
|
"""
|
|
zk_conn = pvc_common.startZKConnection(config['coordinators'])
|
|
retflag, retdata = pvc_vm.start_vm(zk_conn, name)
|
|
pvc_common.stopZKConnection(zk_conn)
|
|
|
|
if retflag:
|
|
retcode = 200
|
|
else:
|
|
retcode = 400
|
|
|
|
output = {
|
|
'message': retdata.replace('\"', '\'')
|
|
}
|
|
return output, retcode
|
|
|
|
def vm_restart(name, wait):
|
|
"""
|
|
Restart a VM in the PVC cluster.
|
|
"""
|
|
zk_conn = pvc_common.startZKConnection(config['coordinators'])
|
|
retflag, retdata = pvc_vm.restart_vm(zk_conn, name, wait)
|
|
pvc_common.stopZKConnection(zk_conn)
|
|
|
|
if retflag:
|
|
retcode = 200
|
|
else:
|
|
retcode = 400
|
|
|
|
output = {
|
|
'message': retdata.replace('\"', '\'')
|
|
}
|
|
return output, retcode
|
|
|
|
def vm_shutdown(name, wait):
|
|
"""
|
|
Shutdown a VM in the PVC cluster.
|
|
"""
|
|
zk_conn = pvc_common.startZKConnection(config['coordinators'])
|
|
retflag, retdata = pvc_vm.shutdown_vm(zk_conn, name, wait)
|
|
pvc_common.stopZKConnection(zk_conn)
|
|
|
|
if retflag:
|
|
retcode = 200
|
|
else:
|
|
retcode = 400
|
|
|
|
output = {
|
|
'message': retdata.replace('\"', '\'')
|
|
}
|
|
return output, retcode
|
|
|
|
def vm_stop(name):
|
|
"""
|
|
Forcibly stop a VM in the PVC cluster.
|
|
"""
|
|
zk_conn = pvc_common.startZKConnection(config['coordinators'])
|
|
retflag, retdata = pvc_vm.stop_vm(zk_conn, name)
|
|
pvc_common.stopZKConnection(zk_conn)
|
|
|
|
if retflag:
|
|
retcode = 200
|
|
else:
|
|
retcode = 400
|
|
|
|
output = {
|
|
'message': retdata.replace('\"', '\'')
|
|
}
|
|
return output, retcode
|
|
|
|
def vm_disable(name):
|
|
"""
|
|
Disable a (stopped) VM in the PVC cluster.
|
|
"""
|
|
zk_conn = pvc_common.startZKConnection(config['coordinators'])
|
|
retflag, retdata = pvc_vm.disable_vm(zk_conn, name)
|
|
pvc_common.stopZKConnection(zk_conn)
|
|
|
|
if retflag:
|
|
retcode = 200
|
|
else:
|
|
retcode = 400
|
|
|
|
output = {
|
|
'message': retdata.replace('\"', '\'')
|
|
}
|
|
return output, retcode
|
|
|
|
def vm_move(name, node, wait, force_live):
|
|
"""
|
|
Move a VM to another node.
|
|
"""
|
|
zk_conn = pvc_common.startZKConnection(config['coordinators'])
|
|
retflag, retdata = pvc_vm.move_vm(zk_conn, name, node, wait, force_live)
|
|
pvc_common.stopZKConnection(zk_conn)
|
|
|
|
if retflag:
|
|
retcode = 200
|
|
else:
|
|
retcode = 400
|
|
|
|
output = {
|
|
'message': retdata.replace('\"', '\'')
|
|
}
|
|
return output, retcode
|
|
|
|
def vm_migrate(name, node, flag_force, wait, force_live):
|
|
"""
|
|
Temporarily migrate a VM to another node.
|
|
"""
|
|
zk_conn = pvc_common.startZKConnection(config['coordinators'])
|
|
retflag, retdata = pvc_vm.migrate_vm(zk_conn, name, node, flag_force, wait, force_live)
|
|
pvc_common.stopZKConnection(zk_conn)
|
|
|
|
if retflag:
|
|
retcode = 200
|
|
else:
|
|
retcode = 400
|
|
|
|
output = {
|
|
'message': retdata.replace('\"', '\'')
|
|
}
|
|
return output, retcode
|
|
|
|
def vm_unmigrate(name, wait, force_live):
|
|
"""
|
|
Unmigrate a migrated VM.
|
|
"""
|
|
zk_conn = pvc_common.startZKConnection(config['coordinators'])
|
|
retflag, retdata = pvc_vm.unmigrate_vm(zk_conn, name, wait, force_live)
|
|
pvc_common.stopZKConnection(zk_conn)
|
|
|
|
if retflag:
|
|
retcode = 200
|
|
else:
|
|
retcode = 400
|
|
|
|
output = {
|
|
'message': retdata.replace('\"', '\'')
|
|
}
|
|
return output, retcode
|
|
|
|
def vm_flush_locks(vm):
|
|
"""
|
|
Flush locks of a (stopped) VM.
|
|
"""
|
|
zk_conn = pvc_common.startZKConnection(config['coordinators'])
|
|
retflag, retdata = pvc_vm.get_list(zk_conn, None, None, vm, is_fuzzy=False)
|
|
pvc_common.stopZKConnection(zk_conn)
|
|
|
|
# If this is a single element, strip it out of the list
|
|
if isinstance(retdata, list) and len(retdata) == 1:
|
|
retdata = retdata[0]
|
|
|
|
if retdata['state'] not in ['stop', 'disable']:
|
|
return {"message":"VM must be stopped to flush locks"}, 400
|
|
|
|
zk_conn = pvc_common.startZKConnection(config['coordinators'])
|
|
retflag, retdata = pvc_vm.flush_locks(zk_conn, vm)
|
|
pvc_common.stopZKConnection(zk_conn)
|
|
|
|
if retflag:
|
|
retcode = 200
|
|
else:
|
|
retcode = 400
|
|
|
|
output = {
|
|
'message': retdata.replace('\"', '\'')
|
|
}
|
|
return output, retcode
|
|
|
|
#
|
|
# Network functions
|
|
#
|
|
def net_list(limit=None, is_fuzzy=True):
|
|
"""
|
|
Return a list of client networks with limit LIMIT.
|
|
"""
|
|
zk_conn = pvc_common.startZKConnection(config['coordinators'])
|
|
retflag, retdata = pvc_network.get_list(zk_conn, limit, is_fuzzy)
|
|
pvc_common.stopZKConnection(zk_conn)
|
|
|
|
# If this is a single element, strip it out of the list
|
|
if isinstance(retdata, list) and len(retdata) == 1:
|
|
retdata = retdata[0]
|
|
|
|
if retflag:
|
|
if retdata:
|
|
retcode = 200
|
|
else:
|
|
retcode = 404
|
|
retdata = {
|
|
'message': 'Network not found.'
|
|
}
|
|
else:
|
|
retcode = 400
|
|
retdata = {
|
|
'message': retdata
|
|
}
|
|
|
|
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):
|
|
"""
|
|
Add a virtual client network to the PVC cluster.
|
|
"""
|
|
if dhcp4_flag:
|
|
dhcp4_flag = bool(strtobool(dhcp4_flag))
|
|
zk_conn = pvc_common.startZKConnection(config['coordinators'])
|
|
retflag, retdata = pvc_network.add_network(zk_conn, vni, description, nettype, domain, name_servers,
|
|
ip4_network, ip4_gateway, ip6_network, ip6_gateway,
|
|
dhcp4_flag, dhcp4_start, dhcp4_end)
|
|
pvc_common.stopZKConnection(zk_conn)
|
|
|
|
if retflag:
|
|
retcode = 200
|
|
else:
|
|
retcode = 400
|
|
|
|
output = {
|
|
'message': retdata.replace('\"', '\'')
|
|
}
|
|
return output, retcode
|
|
|
|
def net_modify(vni, description, domain, name_servers,
|
|
ip4_network, ip4_gateway,
|
|
ip6_network, ip6_gateway,
|
|
dhcp4_flag, dhcp4_start, dhcp4_end):
|
|
"""
|
|
Modify a virtual client network in the PVC cluster.
|
|
"""
|
|
if dhcp4_flag is not None:
|
|
dhcp4_flag = bool(strtobool(dhcp4_flag))
|
|
zk_conn = pvc_common.startZKConnection(config['coordinators'])
|
|
retflag, retdata = pvc_network.modify_network(zk_conn, vni, description, domain, name_servers,
|
|
ip4_network, ip4_gateway, ip6_network, ip6_gateway,
|
|
dhcp4_flag, dhcp4_start, dhcp4_end)
|
|
pvc_common.stopZKConnection(zk_conn)
|
|
|
|
if retflag:
|
|
retcode = 200
|
|
else:
|
|
retcode = 400
|
|
|
|
output = {
|
|
'message': retdata.replace('\"', '\'')
|
|
}
|
|
return output, retcode
|
|
|
|
def net_remove(network):
|
|
"""
|
|
Remove a virtual client network from the PVC cluster.
|
|
"""
|
|
zk_conn = pvc_common.startZKConnection(config['coordinators'])
|
|
retflag, retdata = pvc_network.remove_network(zk_conn, network)
|
|
pvc_common.stopZKConnection(zk_conn)
|
|
|
|
if retflag:
|
|
retcode = 200
|
|
else:
|
|
retcode = 400
|
|
|
|
output = {
|
|
'message': retdata.replace('\"', '\'')
|
|
}
|
|
return output, retcode
|
|
|
|
def net_dhcp_list(network, limit=None, static=False):
|
|
"""
|
|
Return a list of DHCP leases in network NETWORK with limit LIMIT.
|
|
"""
|
|
zk_conn = pvc_common.startZKConnection(config['coordinators'])
|
|
retflag, retdata = pvc_network.get_list_dhcp(zk_conn, network, limit, static)
|
|
pvc_common.stopZKConnection(zk_conn)
|
|
|
|
if retflag:
|
|
if retdata:
|
|
retcode = 200
|
|
else:
|
|
retcode = 404
|
|
retdata = {
|
|
'message': 'Lease not found.'
|
|
}
|
|
else:
|
|
retcode = 400
|
|
retdata = {
|
|
'message': retdata
|
|
}
|
|
|
|
return retdata, retcode
|
|
|
|
def net_dhcp_add(network, ipaddress, macaddress, hostname):
|
|
"""
|
|
Add a static DHCP lease to a virtual client network.
|
|
"""
|
|
zk_conn = pvc_common.startZKConnection(config['coordinators'])
|
|
retflag, retdata = pvc_network.add_dhcp_reservation(zk_conn, network, ipaddress, macaddress, hostname)
|
|
pvc_common.stopZKConnection(zk_conn)
|
|
|
|
if retflag:
|
|
retcode = 200
|
|
else:
|
|
retcode = 400
|
|
|
|
output = {
|
|
'message': retdata.replace('\"', '\'')
|
|
}
|
|
return output, retcode
|
|
|
|
def net_dhcp_remove(network, macaddress):
|
|
"""
|
|
Remove a static DHCP lease from a virtual client network.
|
|
"""
|
|
zk_conn = pvc_common.startZKConnection(config['coordinators'])
|
|
retflag, retdata = pvc_network.remove_dhcp_reservation(zk_conn, network, macaddress)
|
|
pvc_common.stopZKConnection(zk_conn)
|
|
|
|
if retflag:
|
|
retcode = 200
|
|
else:
|
|
retcode = 400
|
|
|
|
output = {
|
|
'message': retdata.replace('\"', '\'')
|
|
}
|
|
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.
|
|
"""
|
|
zk_conn = pvc_common.startZKConnection(config['coordinators'])
|
|
retflag, retdata = pvc_network.get_list_acl(zk_conn, network, limit, direction, is_fuzzy=True)
|
|
pvc_common.stopZKConnection(zk_conn)
|
|
|
|
if retflag:
|
|
if retdata:
|
|
retcode = 200
|
|
else:
|
|
retcode = 404
|
|
retdata = {
|
|
'message': 'ACL not found.'
|
|
}
|
|
else:
|
|
retcode = 400
|
|
retdata = {
|
|
'message': retdata
|
|
}
|
|
|
|
# If this is a single element, strip it out of the list
|
|
if isinstance(retdata, list) and len(retdata) == 1:
|
|
retdata = retdata[0]
|
|
|
|
return retdata, retcode
|
|
|
|
def net_acl_add(network, direction, description, rule, order):
|
|
"""
|
|
Add an ACL to a virtual client network.
|
|
"""
|
|
zk_conn = pvc_common.startZKConnection(config['coordinators'])
|
|
retflag, retdata = pvc_network.add_acl(zk_conn, network, direction, description, rule, order)
|
|
pvc_common.stopZKConnection(zk_conn)
|
|
|
|
if retflag:
|
|
retcode = 200
|
|
else:
|
|
retcode = 400
|
|
|
|
output = {
|
|
'message': retdata.replace('\"', '\'')
|
|
}
|
|
return output, retcode
|
|
|
|
def net_acl_remove(network, description):
|
|
"""
|
|
Remove an ACL from a virtual client network.
|
|
"""
|
|
zk_conn = pvc_common.startZKConnection(config['coordinators'])
|
|
retflag, retdata = pvc_network.remove_acl(zk_conn, network, description)
|
|
pvc_common.stopZKConnection(zk_conn)
|
|
|
|
if retflag:
|
|
retcode = 200
|
|
else:
|
|
retcode = 400
|
|
|
|
output = {
|
|
'message': retdata.replace('\"', '\'')
|
|
}
|
|
return output, retcode
|
|
|
|
#
|
|
# Ceph functions
|
|
#
|
|
def ceph_status():
|
|
"""
|
|
Get the current Ceph cluster status.
|
|
"""
|
|
zk_conn = pvc_common.startZKConnection(config['coordinators'])
|
|
retflag, retdata = pvc_ceph.get_status(zk_conn)
|
|
pvc_common.stopZKConnection(zk_conn)
|
|
|
|
if retflag:
|
|
retcode = 200
|
|
else:
|
|
retcode = 400
|
|
|
|
return retdata, retcode
|
|
|
|
def ceph_radosdf():
|
|
"""
|
|
Get the current Ceph cluster utilization.
|
|
"""
|
|
zk_conn = pvc_common.startZKConnection(config['coordinators'])
|
|
retflag, retdata = pvc_ceph.get_radosdf(zk_conn)
|
|
pvc_common.stopZKConnection(zk_conn)
|
|
|
|
if retflag:
|
|
retcode = 200
|
|
else:
|
|
retcode = 400
|
|
|
|
return retdata, retcode
|
|
|
|
def ceph_osd_list(limit=None):
|
|
"""
|
|
Get the list of OSDs in the Ceph storage cluster.
|
|
"""
|
|
zk_conn = pvc_common.startZKConnection(config['coordinators'])
|
|
retflag, retdata = pvc_ceph.get_list_osd(zk_conn, limit)
|
|
pvc_common.stopZKConnection(zk_conn)
|
|
|
|
if retflag:
|
|
if retdata:
|
|
retcode = 200
|
|
else:
|
|
retcode = 404
|
|
retdata = {
|
|
'message': 'OSD not found.'
|
|
}
|
|
else:
|
|
retcode = 400
|
|
retdata = {
|
|
'message': retdata
|
|
}
|
|
|
|
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)
|
|
pvc_common.stopZKConnection(zk_conn)
|
|
|
|
if retflag:
|
|
if retdata:
|
|
retcode = 200
|
|
else:
|
|
retcode = 404
|
|
retdata = {
|
|
'message': 'OSD not found.'
|
|
}
|
|
else:
|
|
retcode = 400
|
|
retdata = {
|
|
'message': retdata
|
|
}
|
|
|
|
in_state = retdata[0]['stats']['in']
|
|
up_state = retdata[0]['stats']['up']
|
|
|
|
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.
|
|
"""
|
|
zk_conn = pvc_common.startZKConnection(config['coordinators'])
|
|
retflag, retdata = pvc_ceph.add_osd(zk_conn, node, device, weight)
|
|
pvc_common.stopZKConnection(zk_conn)
|
|
|
|
if retflag:
|
|
retcode = 200
|
|
else:
|
|
retcode = 400
|
|
|
|
output = {
|
|
'message': retdata.replace('\"', '\'')
|
|
}
|
|
return output, retcode
|
|
|
|
def ceph_osd_remove(osd_id):
|
|
"""
|
|
Remove a Ceph OSD from the PVC Ceph storage cluster.
|
|
"""
|
|
zk_conn = pvc_common.startZKConnection(config['coordinators'])
|
|
retflag, retdata = pvc_ceph.remove_osd(zk_conn, osd_id)
|
|
pvc_common.stopZKConnection(zk_conn)
|
|
|
|
if retflag:
|
|
retcode = 200
|
|
else:
|
|
retcode = 400
|
|
|
|
output = {
|
|
'message': retdata.replace('\"', '\'')
|
|
}
|
|
return output, retcode
|
|
|
|
def ceph_osd_in(osd_id):
|
|
"""
|
|
Set in a Ceph OSD in the PVC Ceph storage cluster.
|
|
"""
|
|
zk_conn = pvc_common.startZKConnection(config['coordinators'])
|
|
retflag, retdata = pvc_ceph.in_osd(zk_conn, osd_id)
|
|
pvc_common.stopZKConnection(zk_conn)
|
|
|
|
if retflag:
|
|
retcode = 200
|
|
else:
|
|
retcode = 400
|
|
|
|
output = {
|
|
'message': retdata.replace('\"', '\'')
|
|
}
|
|
return output, retcode
|
|
|
|
def ceph_osd_out(osd_id):
|
|
"""
|
|
Set out a Ceph OSD in the PVC Ceph storage cluster.
|
|
"""
|
|
zk_conn = pvc_common.startZKConnection(config['coordinators'])
|
|
retflag, retdata = pvc_ceph.out_osd(zk_conn, osd_id)
|
|
pvc_common.stopZKConnection(zk_conn)
|
|
|
|
if retflag:
|
|
retcode = 200
|
|
else:
|
|
retcode = 400
|
|
|
|
output = {
|
|
'message': retdata.replace('\"', '\'')
|
|
}
|
|
return output, retcode
|
|
|
|
def ceph_osd_set(option):
|
|
"""
|
|
Set options on a Ceph OSD in the PVC Ceph storage cluster.
|
|
"""
|
|
zk_conn = pvc_common.startZKConnection(config['coordinators'])
|
|
retflag, retdata = pvc_ceph.set_osd(zk_conn, option)
|
|
pvc_common.stopZKConnection(zk_conn)
|
|
|
|
if retflag:
|
|
retcode = 200
|
|
else:
|
|
retcode = 400
|
|
|
|
output = {
|
|
'message': retdata.replace('\"', '\'')
|
|
}
|
|
return output, retcode
|
|
|
|
def ceph_osd_unset(option):
|
|
"""
|
|
Unset options on a Ceph OSD in the PVC Ceph storage cluster.
|
|
"""
|
|
zk_conn = pvc_common.startZKConnection(config['coordinators'])
|
|
retflag, retdata = pvc_ceph.unset_osd(zk_conn, option)
|
|
pvc_common.stopZKConnection(zk_conn)
|
|
|
|
if retflag:
|
|
retcode = 200
|
|
else:
|
|
retcode = 400
|
|
|
|
output = {
|
|
'message': retdata.replace('\"', '\'')
|
|
}
|
|
return output, retcode
|
|
|
|
def ceph_pool_list(limit=None, is_fuzzy=True):
|
|
"""
|
|
Get the list of RBD pools in the Ceph storage cluster.
|
|
"""
|
|
zk_conn = pvc_common.startZKConnection(config['coordinators'])
|
|
retflag, retdata = pvc_ceph.get_list_pool(zk_conn, limit, is_fuzzy)
|
|
pvc_common.stopZKConnection(zk_conn)
|
|
|
|
# If this is a single element, strip it out of the list
|
|
if isinstance(retdata, list) and len(retdata) == 1:
|
|
retdata = retdata[0]
|
|
|
|
if retflag:
|
|
if retdata:
|
|
retcode = 200
|
|
else:
|
|
retcode = 404
|
|
retdata = {
|
|
'message': 'Pool not found.'
|
|
}
|
|
else:
|
|
retcode = 400
|
|
retdata = {
|
|
'message': retdata
|
|
}
|
|
|
|
return retdata, retcode
|
|
|
|
def ceph_pool_add(name, pgs, replcfg):
|
|
"""
|
|
Add a Ceph RBD pool to the PVC Ceph storage cluster.
|
|
"""
|
|
zk_conn = pvc_common.startZKConnection(config['coordinators'])
|
|
retflag, retdata = pvc_ceph.add_pool(zk_conn, name, pgs, replcfg)
|
|
pvc_common.stopZKConnection(zk_conn)
|
|
|
|
if retflag:
|
|
retcode = 200
|
|
else:
|
|
retcode = 400
|
|
|
|
output = {
|
|
'message': retdata
|
|
}
|
|
return output, retcode
|
|
|
|
def ceph_pool_remove(name):
|
|
"""
|
|
Remove a Ceph RBD pool to the PVC Ceph storage cluster.
|
|
"""
|
|
zk_conn = pvc_common.startZKConnection(config['coordinators'])
|
|
retflag, retdata = pvc_ceph.remove_pool(zk_conn, name)
|
|
pvc_common.stopZKConnection(zk_conn)
|
|
|
|
if retflag:
|
|
retcode = 200
|
|
else:
|
|
retcode = 400
|
|
|
|
output = {
|
|
'message': retdata.replace('\"', '\'')
|
|
}
|
|
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.
|
|
"""
|
|
zk_conn = pvc_common.startZKConnection(config['coordinators'])
|
|
retflag, retdata = pvc_ceph.get_list_volume(zk_conn, pool, limit, is_fuzzy)
|
|
pvc_common.stopZKConnection(zk_conn)
|
|
|
|
# If this is a single element, strip it out of the list
|
|
if isinstance(retdata, list) and len(retdata) == 1:
|
|
retdata = retdata[0]
|
|
|
|
if retflag:
|
|
if retdata:
|
|
retcode = 200
|
|
else:
|
|
retcode = 404
|
|
retdata = {
|
|
'message': 'Volume not found.'
|
|
}
|
|
else:
|
|
retcode = 400
|
|
retdata = {
|
|
'message': retdata
|
|
}
|
|
|
|
return retdata, retcode
|
|
|
|
def ceph_volume_add(pool, name, size):
|
|
"""
|
|
Add a Ceph RBD volume to the PVC Ceph storage cluster.
|
|
"""
|
|
zk_conn = pvc_common.startZKConnection(config['coordinators'])
|
|
retflag, retdata = pvc_ceph.add_volume(zk_conn, pool, name, size)
|
|
pvc_common.stopZKConnection(zk_conn)
|
|
|
|
if retflag:
|
|
retcode = 200
|
|
else:
|
|
retcode = 400
|
|
|
|
output = {
|
|
'message': retdata.replace('\"', '\'')
|
|
}
|
|
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.
|
|
"""
|
|
zk_conn = pvc_common.startZKConnection(config['coordinators'])
|
|
retflag, retdata = pvc_ceph.clone_volume(zk_conn, pool, source_volume, name)
|
|
pvc_common.stopZKConnection(zk_conn)
|
|
|
|
if retflag:
|
|
retcode = 200
|
|
else:
|
|
retcode = 400
|
|
|
|
output = {
|
|
'message': retdata.replace('\"', '\'')
|
|
}
|
|
return output, retcode
|
|
|
|
def ceph_volume_resize(pool, name, size):
|
|
"""
|
|
Resize an existing Ceph RBD volume in the PVC Ceph storage cluster.
|
|
"""
|
|
zk_conn = pvc_common.startZKConnection(config['coordinators'])
|
|
retflag, retdata = pvc_ceph.resize_volume(zk_conn, pool, name, size)
|
|
pvc_common.stopZKConnection(zk_conn)
|
|
|
|
if retflag:
|
|
retcode = 200
|
|
else:
|
|
retcode = 400
|
|
|
|
output = {
|
|
'message': retdata.replace('\"', '\'')
|
|
}
|
|
return output, retcode
|
|
|
|
def ceph_volume_rename(pool, name, new_name):
|
|
"""
|
|
Rename a Ceph RBD volume in the PVC Ceph storage cluster.
|
|
"""
|
|
zk_conn = pvc_common.startZKConnection(config['coordinators'])
|
|
retflag, retdata = pvc_ceph.rename_volume(zk_conn, pool, name, new_name)
|
|
pvc_common.stopZKConnection(zk_conn)
|
|
|
|
if retflag:
|
|
retcode = 200
|
|
else:
|
|
retcode = 400
|
|
|
|
output = {
|
|
'message': retdata.replace('\"', '\'')
|
|
}
|
|
return output, retcode
|
|
|
|
def ceph_volume_remove(pool, name):
|
|
"""
|
|
Remove a Ceph RBD volume to the PVC Ceph storage cluster.
|
|
"""
|
|
zk_conn = pvc_common.startZKConnection(config['coordinators'])
|
|
retflag, retdata = pvc_ceph.remove_volume(zk_conn, pool, name)
|
|
pvc_common.stopZKConnection(zk_conn)
|
|
|
|
if retflag:
|
|
retcode = 200
|
|
else:
|
|
retcode = 400
|
|
|
|
output = {
|
|
'message': retdata.replace('\"', '\'')
|
|
}
|
|
return output, retcode
|
|
|
|
def ceph_volume_upload(pool, volume, data, img_type):
|
|
"""
|
|
Upload a raw file via HTTP post to a PVC Ceph volume
|
|
"""
|
|
# Determine the image conversion options
|
|
if img_type not in ['raw', 'vmdk', 'qcow2', 'qed', 'vdi', 'vpc']:
|
|
output = {
|
|
"message": "Image type '{}' is not valid.".format(img_type)
|
|
}
|
|
retcode = 400
|
|
return output, retcode
|
|
|
|
# Get the size of the target block device
|
|
zk_conn = pvc_common.startZKConnection(config['coordinators'])
|
|
retcode, retdata = pvc_ceph.get_list_volume(zk_conn, pool, volume, is_fuzzy=False)
|
|
pvc_common.stopZKConnection(zk_conn)
|
|
# If there's no target, return failure
|
|
if not retcode or len(retdata) < 1:
|
|
output = {
|
|
"message": "Target volume '{}' does not exist in pool '{}'.".format(volume, pool)
|
|
}
|
|
retcode = 400
|
|
return output, retcode
|
|
dev_size = retdata[0]['stats']['size']
|
|
|
|
def cleanup_maps_and_volumes():
|
|
zk_conn = pvc_common.startZKConnection(config['coordinators'])
|
|
# Unmap the target blockdev
|
|
retflag, retdata = pvc_ceph.unmap_volume(zk_conn, pool, volume)
|
|
# Unmap the temporary blockdev
|
|
retflag, retdata = pvc_ceph.unmap_volume(zk_conn, pool, "{}_tmp".format(volume))
|
|
# Remove the temporary blockdev
|
|
retflag, retdata = pvc_ceph.remove_volume(zk_conn, pool, "{}_tmp".format(volume))
|
|
pvc_common.stopZKConnection(zk_conn)
|
|
|
|
# Create a temporary block device to store non-raw images
|
|
if img_type == 'raw':
|
|
# Map the target blockdev
|
|
zk_conn = pvc_common.startZKConnection(config['coordinators'])
|
|
retflag, retdata = pvc_ceph.map_volume(zk_conn, pool, volume)
|
|
pvc_common.stopZKConnection(zk_conn)
|
|
if not retflag:
|
|
output = {
|
|
'message': retdata.replace('\"', '\'')
|
|
}
|
|
retcode = 400
|
|
cleanup_maps_and_volumes()
|
|
return output, retcode
|
|
dest_blockdev = retdata
|
|
|
|
# Save the data to the blockdev directly
|
|
try:
|
|
data.save(dest_blockdev)
|
|
except:
|
|
output = {
|
|
'message': "Failed to write image file to volume."
|
|
}
|
|
retcode = 400
|
|
cleanup_maps_and_volumes()
|
|
return output, retcode
|
|
|
|
output = {
|
|
'message': "Wrote uploaded file to volume '{}' in pool '{}'.".format(volume, pool)
|
|
}
|
|
retcode = 200
|
|
cleanup_maps_and_volumes()
|
|
return output, retcode
|
|
|
|
# Write the image directly to the blockdev
|
|
else:
|
|
# Create a temporary blockdev
|
|
zk_conn = pvc_common.startZKConnection(config['coordinators'])
|
|
retflag, retdata = pvc_ceph.add_volume(zk_conn, pool, "{}_tmp".format(volume), dev_size)
|
|
pvc_common.stopZKConnection(zk_conn)
|
|
if not retflag:
|
|
output = {
|
|
'message': retdata.replace('\"', '\'')
|
|
}
|
|
retcode = 400
|
|
cleanup_maps_and_volumes()
|
|
return output, retcode
|
|
|
|
# Map the temporary target blockdev
|
|
zk_conn = pvc_common.startZKConnection(config['coordinators'])
|
|
retflag, retdata = pvc_ceph.map_volume(zk_conn, pool, "{}_tmp".format(volume))
|
|
pvc_common.stopZKConnection(zk_conn)
|
|
if not retflag:
|
|
output = {
|
|
'message': retdata.replace('\"', '\'')
|
|
}
|
|
retcode = 400
|
|
cleanup_maps_and_volumes()
|
|
return output, retcode
|
|
temp_blockdev = retdata
|
|
|
|
# Map the target blockdev
|
|
zk_conn = pvc_common.startZKConnection(config['coordinators'])
|
|
retflag, retdata = pvc_ceph.map_volume(zk_conn, pool, volume)
|
|
pvc_common.stopZKConnection(zk_conn)
|
|
if not retflag:
|
|
output = {
|
|
'message': retdata.replace('\"', '\'')
|
|
}
|
|
retcode = 400
|
|
cleanup_maps_and_volumes()
|
|
return output, retcode
|
|
dest_blockdev = retdata
|
|
|
|
# Save the data to the temporary blockdev directly
|
|
try:
|
|
data.save(temp_blockdev)
|
|
except:
|
|
output = {
|
|
'message': "Failed to write image file to temporary volume."
|
|
}
|
|
retcode = 400
|
|
cleanup_maps_and_volumes()
|
|
return output, retcode
|
|
|
|
# Convert from the temporary to destination format on the blockdevs
|
|
retcode, stdout, stderr = pvc_common.run_os_command(
|
|
'qemu-img convert -C -f {} -O raw {} {}'.format(img_type, temp_blockdev, dest_blockdev)
|
|
)
|
|
if retcode:
|
|
output = {
|
|
'message': "Failed to convert image format from '{}' to 'raw': {}".format(img_type, stderr)
|
|
}
|
|
retcode = 400
|
|
cleanup_maps_and_volumes()
|
|
return output, retcode
|
|
|
|
output = {
|
|
'message': "Converted and wrote uploaded file to volume '{}' in pool '{}'.".format(volume, pool)
|
|
}
|
|
retcode = 200
|
|
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.
|
|
"""
|
|
zk_conn = pvc_common.startZKConnection(config['coordinators'])
|
|
retflag, retdata = pvc_ceph.get_list_snapshot(zk_conn, pool, volume, limit, is_fuzzy)
|
|
pvc_common.stopZKConnection(zk_conn)
|
|
|
|
# If this is a single element, strip it out of the list
|
|
if isinstance(retdata, list) and len(retdata) == 1:
|
|
retdata = retdata[0]
|
|
|
|
if retflag:
|
|
if retdata:
|
|
retcode = 200
|
|
else:
|
|
retcode = 404
|
|
retdata = {
|
|
'message': 'Volume snapshot not found.'
|
|
}
|
|
else:
|
|
retcode = 400
|
|
retdata = {
|
|
'message': retdata
|
|
}
|
|
|
|
return retdata, retcode
|
|
|
|
def ceph_volume_snapshot_add(pool, volume, name):
|
|
"""
|
|
Add a Ceph RBD volume snapshot to the PVC Ceph storage cluster.
|
|
"""
|
|
zk_conn = pvc_common.startZKConnection(config['coordinators'])
|
|
retflag, retdata = pvc_ceph.add_snapshot(zk_conn, pool, volume, name)
|
|
pvc_common.stopZKConnection(zk_conn)
|
|
|
|
if retflag:
|
|
retcode = 200
|
|
else:
|
|
retcode = 400
|
|
|
|
output = {
|
|
'message': retdata.replace('\"', '\'')
|
|
}
|
|
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.
|
|
"""
|
|
zk_conn = pvc_common.startZKConnection(config['coordinators'])
|
|
retflag, retdata = pvc_ceph.rename_snapshot(zk_conn, pool, volume, name, new_name)
|
|
pvc_common.stopZKConnection(zk_conn)
|
|
|
|
if retflag:
|
|
retcode = 200
|
|
else:
|
|
retcode = 400
|
|
|
|
output = {
|
|
'message': retdata.replace('\"', '\'')
|
|
}
|
|
return output, retcode
|
|
|
|
def ceph_volume_snapshot_remove(pool, volume, name):
|
|
"""
|
|
Remove a Ceph RBD volume snapshot from the PVC Ceph storage cluster.
|
|
"""
|
|
zk_conn = pvc_common.startZKConnection(config['coordinators'])
|
|
retflag, retdata = pvc_ceph.remove_snapshot(zk_conn, pool, volume, name)
|
|
pvc_common.stopZKConnection(zk_conn)
|
|
|
|
if retflag:
|
|
retcode = 200
|
|
else:
|
|
retcode = 400
|
|
|
|
output = {
|
|
'message': retdata.replace('\"', '\'')
|
|
}
|
|
return output, retcode
|
|
|