707 lines
27 KiB
Python
707 lines
27 KiB
Python
#!/usr/bin/env python3
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# vm.py - PVC client function library, VM fuctions
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# Part of the Parallel Virtual Cluster (PVC) system
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#
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# Copyright (C) 2018 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 os
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import socket
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import time
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import uuid
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import re
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import subprocess
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import difflib
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import colorama
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import click
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import lxml.objectify
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import configparser
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import kazoo.client
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import client_lib.ansiprint as ansiprint
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import client_lib.zkhandler as zkhandler
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import client_lib.common as common
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#
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# XML information parsing functions
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#
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def getInformationFromXML(zk_conn, uuid, long_output):
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# Obtain the contents of the XML from Zookeeper
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try:
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dstate = zkhandler.readdata(zk_conn, '/domains/{}/state'.format(uuid))
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dnode = zkhandler.readdata(zk_conn, '/domains/{}/node'.format(uuid))
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dlastnode = zkhandler.readdata(zk_conn, '/domains/{}/lastnode'.format(uuid))
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except:
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return None
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if dlastnode == '':
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dlastnode = 'N/A'
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parsed_xml = common.getDomainXML(zk_conn, uuid)
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duuid, dname, ddescription, dmemory, dvcpu, dvcputopo = common.getDomainMainDetails(parsed_xml)
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dnets = common.getDomainNetworks(parsed_xml)
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if long_output == True:
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dtype, darch, dmachine, dconsole, demulator = common.getDomainExtraDetails(parsed_xml)
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dfeatures = common.getDomainCPUFeatures(parsed_xml)
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ddisks = common.getDomainDisks(parsed_xml)
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dcontrollers = common.getDomainControllers(parsed_xml)
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# Format a nice output; do this line-by-line then concat the elements at the end
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ainformation = []
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ainformation.append('{}Virtual machine information:{}'.format(ansiprint.bold(), ansiprint.end()))
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ainformation.append('')
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# Basic information
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ainformation.append('{}UUID:{} {}'.format(ansiprint.purple(), ansiprint.end(), duuid))
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ainformation.append('{}Name:{} {}'.format(ansiprint.purple(), ansiprint.end(), dname))
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ainformation.append('{}Description:{} {}'.format(ansiprint.purple(), ansiprint.end(), ddescription))
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ainformation.append('{}Memory (M):{} {}'.format(ansiprint.purple(), ansiprint.end(), dmemory))
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ainformation.append('{}vCPUs:{} {}'.format(ansiprint.purple(), ansiprint.end(), dvcpu))
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ainformation.append('{}Topology (S/C/T):{} {}'.format(ansiprint.purple(), ansiprint.end(), dvcputopo))
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if long_output == True:
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# Virtualization information
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ainformation.append('')
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ainformation.append('{}Emulator:{} {}'.format(ansiprint.purple(), ansiprint.end(), demulator))
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ainformation.append('{}Type:{} {}'.format(ansiprint.purple(), ansiprint.end(), dtype))
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ainformation.append('{}Arch:{} {}'.format(ansiprint.purple(), ansiprint.end(), darch))
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ainformation.append('{}Machine:{} {}'.format(ansiprint.purple(), ansiprint.end(), dmachine))
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ainformation.append('{}Features:{} {}'.format(ansiprint.purple(), ansiprint.end(), ' '.join(dfeatures)))
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# PVC cluster information
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ainformation.append('')
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dstate_colour = {
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'start': ansiprint.green(),
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'restart': ansiprint.yellow(),
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'shutdown': ansiprint.yellow(),
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'stop': ansiprint.red(),
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'failed': ansiprint.red(),
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'migrate': ansiprint.blue(),
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'unmigrate': ansiprint.blue()
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}
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ainformation.append('{}State:{} {}{}{}'.format(ansiprint.purple(), ansiprint.end(), dstate_colour[dstate], dstate, ansiprint.end()))
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ainformation.append('{}Current Node:{} {}'.format(ansiprint.purple(), ansiprint.end(), dnode))
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ainformation.append('{}Previous Node:{} {}'.format(ansiprint.purple(), ansiprint.end(), dlastnode))
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# Network list
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net_list = []
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for net in dnets:
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# Split out just the numerical (VNI) part of the brXXXX name
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net_vnis = re.findall(r'\d+', net['source'])
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if net_vnis:
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net_vni = net_vnis[0]
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else:
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net_vni = re.sub('br', '', net['source'])
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net_exists = zkhandler.exists(zk_conn, '/networks/{}'.format(net_vni))
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if not net_exists and net_vni != 'cluster':
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net_list.append(ansiprint.red() + net_vni + ansiprint.end() + ' [invalid]')
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else:
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net_list.append(net_vni)
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ainformation.append('')
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ainformation.append('{}Networks:{} {}'.format(ansiprint.purple(), ansiprint.end(), ', '.join(net_list)))
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if long_output == True:
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# Disk list
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ainformation.append('')
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name_length = 0
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for disk in ddisks:
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_name_length = len(disk['name']) + 1
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if _name_length > name_length:
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name_length = _name_length
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ainformation.append('{0}Disks:{1} {2}ID Type {3: <{width}} Dev Bus{4}'.format(ansiprint.purple(), ansiprint.end(), ansiprint.bold(), 'Name', ansiprint.end(), width=name_length))
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for disk in ddisks:
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ainformation.append(' {0: <3} {1: <5} {2: <{width}} {3: <4} {4: <5}'.format(ddisks.index(disk), disk['type'], disk['name'], disk['dev'], disk['bus'], width=name_length))
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ainformation.append('')
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ainformation.append('{}Interfaces:{} {}ID Type Source Model MAC{}'.format(ansiprint.purple(), ansiprint.end(), ansiprint.bold(), ansiprint.end()))
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for net in dnets:
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ainformation.append(' {0: <3} {1: <8} {2: <10} {3: <8} {4}'.format(dnets.index(net), net['type'], net['source'], net['model'], net['mac']))
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# Controller list
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ainformation.append('')
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ainformation.append('{}Controllers:{} {}ID Type Model{}'.format(ansiprint.purple(), ansiprint.end(), ansiprint.bold(), ansiprint.end()))
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for controller in dcontrollers:
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ainformation.append(' {0: <3} {1: <14} {2: <8}'.format(dcontrollers.index(controller), controller['type'], controller['model']))
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# Join it all together
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information = '\n'.join(ainformation)
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return information
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#
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# Cluster search functions
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#
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def getClusterDomainList(zk_conn):
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# Get a list of UUIDs by listing the children of /domains
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uuid_list = zkhandler.listchildren(zk_conn, '/domains')
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name_list = []
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# For each UUID, get the corresponding name from the data
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for uuid in uuid_list:
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name_list.append(zkhandler.readdata(zk_conn, '/domains/%s' % uuid))
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return uuid_list, name_list
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def searchClusterByUUID(zk_conn, uuid):
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try:
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# Get the lists
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uuid_list, name_list = getClusterDomainList(zk_conn)
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# We're looking for UUID, so find that element ID
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index = uuid_list.index(uuid)
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# Get the name_list element at that index
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name = name_list[index]
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except ValueError:
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# We didn't find anything
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return None
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return name
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def searchClusterByName(zk_conn, name):
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try:
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# Get the lists
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uuid_list, name_list = getClusterDomainList(zk_conn)
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# We're looking for name, so find that element ID
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index = name_list.index(name)
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# Get the uuid_list element at that index
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uuid = uuid_list[index]
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except ValueError:
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# We didn't find anything
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return None
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return uuid
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def getDomainUUID(zk_conn, domain):
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# Validate and obtain alternate passed value
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if common.validateUUID(domain):
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dom_name = searchClusterByUUID(zk_conn, domain)
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dom_uuid = searchClusterByName(zk_conn, dom_name)
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else:
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dom_uuid = searchClusterByName(zk_conn, domain)
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dom_name = searchClusterByUUID(zk_conn, dom_uuid)
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return dom_uuid
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def getDomainName(zk_conn, domain):
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# Validate and obtain alternate passed value
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if common.validateUUID(domain):
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dom_name = searchClusterByUUID(zk_conn, domain)
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dom_uuid = searchClusterByName(zk_conn, dom_name)
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else:
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dom_uuid = searchClusterByName(zk_conn, domain)
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dom_name = searchClusterByUUID(zk_conn, dom_uuid)
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return dom_name
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#
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# Direct functions
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#
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def define_vm(zk_conn, config_data, target_node, selector):
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# Parse the XML data
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parsed_xml = lxml.objectify.fromstring(config_data)
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dom_uuid = parsed_xml.uuid.text
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dom_name = parsed_xml.name.text
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click.echo('Adding new VM with Name "{}" and UUID "{}" to database.'.format(dom_name, dom_uuid))
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if target_node == None:
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target_node = common.findTargetNode(zk_conn, selector, dom_uuid)
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# Verify node is valid
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common.verifyNode(zk_conn, target_node)
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# Add the new domain to Zookeeper
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zkhandler.writedata(zk_conn, {
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'/domains/{}'.format(dom_uuid): dom_name,
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'/domains/{}/state'.format(dom_uuid): 'stop',
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'/domains/{}/node'.format(dom_uuid): target_node,
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'/domains/{}/lastnode'.format(dom_uuid): '',
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'/domains/{}/failedreason'.format(dom_uuid): '',
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'/domains/{}/xml'.format(dom_uuid): config_data
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})
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return True, ''
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def modify_vm(zk_conn, domain, restart, new_vm_config):
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dom_uuid = getDomainUUID(zk_conn, domain)
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if dom_uuid == None:
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return False, 'ERROR: Could not find VM "{}" in the cluster!'.format(domain)
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dom_name = getDomainName(zk_conn, domain)
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# Add the modified config to Zookeeper
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zk_data = {
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'/domains/{}'.format(dom_uuid): dom_name,
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'/domains/{}/xml'.format(dom_uuid): new_vm_config
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}
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if restart == True:
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zk_data.update({'/domains/{}/state'.format(dom_uuid): 'restart'})
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zkhandler.writedata(zk_conn, zk_data)
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return True, ''
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def dump_vm(zk_conn, domain):
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dom_uuid = getDomainUUID(zk_conn, domain)
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if dom_uuid == None:
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return False, 'ERROR: Could not find VM "{}" in the cluster!'.format(domain)
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# Gram the domain XML and dump it to stdout
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vm_xml = zkhandler.readdata(zk_conn, '/domains/{}/xml'.format(dom_uuid))
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click.echo(vm_xml)
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return True, ''
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def undefine_vm(zk_conn, domain):
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# Validate and obtain alternate passed value
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dom_uuid = getDomainUUID(zk_conn, domain)
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if dom_uuid == None:
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common.stopZKConnection(zk_conn)
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return False, 'ERROR: Could not find VM "{}" in the cluster!'.format(domain)
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# Shut down the VM
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try:
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current_vm_state = zkhandler.readdata(zk_conn, '/domains/{}/state'.format(dom_uuid))
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if current_vm_state != 'stop':
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click.echo('Forcibly stopping VM "{}".'.format(dom_uuid))
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# Set the domain into stop mode
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zkhandler.writedata(zk_conn, {'/domains/{}/state'.format(dom_uuid): 'stop'})
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# Wait for 3 seconds to allow state to flow to all nodes
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click.echo('Waiting for cluster to update.')
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time.sleep(1)
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except:
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pass
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# Gracefully terminate the class instances
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try:
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click.echo('Deleting VM "{}" from nodes.'.format(dom_uuid))
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zkhandler.writedata(zk_conn, {'/domains/{}/state'.format(dom_uuid): 'delete'})
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time.sleep(5)
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except:
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pass
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# Delete the configurations
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try:
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click.echo('Undefining VM "{}".'.format(dom_uuid))
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zkhandler.deletekey(zk_conn, '/domains/{}')
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except:
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pass
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return True, ''
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def start_vm(zk_conn, domain):
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# Validate and obtain alternate passed value
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dom_uuid = getDomainUUID(zk_conn, domain)
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if dom_uuid == None:
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common.stopZKConnection(zk_conn)
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return False, 'ERROR: Could not find VM "{}" in the cluster!'.format(domain)
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# Set the VM to start
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click.echo('Starting VM "{}".'.format(dom_uuid))
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zkhandler.writedata(zk_conn, {'/domains/{}/state'.format(dom_uuid): 'start'})
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return True, ''
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def restart_vm(zk_conn, domain):
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# Validate and obtain alternate passed value
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dom_uuid = getDomainUUID(zk_conn, domain)
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if dom_uuid == None:
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common.stopZKConnection(zk_conn)
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return False, 'ERROR: Could not find VM "{}" in the cluster!'.format(domain)
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# Get state and verify we're OK to proceed
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current_state = zkhandler.readdata(zk_conn, '/domains/{}/state'.format(dom_uuid))
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if current_state != 'start':
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common.stopZKConnection(zk_conn)
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return False, 'ERROR: VM "{}" is not in "start" state!'.format(dom_uuid)
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# Set the VM to start
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click.echo('Restarting VM "{}".'.format(dom_uuid))
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zkhandler.writedata(zk_conn, {'/domains/{}/state'.format(dom_uuid): 'restart'})
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return True, ''
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def shutdown_vm(zk_conn, domain):
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# Validate and obtain alternate passed value
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dom_uuid = getDomainUUID(zk_conn, domain)
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if dom_uuid == None:
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return False, 'ERROR: Could not find VM "{}" in the cluster!'.format(domain)
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# Get state and verify we're OK to proceed
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current_state = zkhandler.readdata(zk_conn, '/domains/{}/state'.format(dom_uuid))
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if current_state != 'start':
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common.stopZKConnection(zk_conn)
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return False, 'ERROR: VM "{}" is not in "start" state!'.format(dom_uuid)
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# Set the VM to shutdown
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click.echo('Shutting down VM "{}".'.format(dom_uuid))
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zkhandler.writedata(zk_conn, {'/domains/{}/state'.format(dom_uuid): 'shutdown'})
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return True, ''
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def stop_vm(zk_conn, domain):
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# Validate and obtain alternate passed value
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dom_uuid = getDomainUUID(zk_conn, domain)
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if dom_uuid == None:
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common.stopZKConnection(zk_conn)
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return False, 'ERROR: Could not find VM "{}" in the cluster!'.format(domain)
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# Get state and verify we're OK to proceed
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current_state = zkhandler.readdata(zk_conn, '/domains/{}/state'.format(dom_uuid))
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if current_state != 'start':
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common.stopZKConnection(zk_conn)
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return False, 'ERROR: VM "{}" is not in "start" state!'.format(dom_uuid)
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# Set the VM to start
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click.echo('Forcibly stopping VM "{}".'.format(dom_uuid))
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zkhandler.writedata(zk_conn, {'/domains/{}/state'.format(dom_uuid): 'stop'})
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return True, ''
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def move_vm(zk_conn, domain, target_node, selector):
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# Validate and obtain alternate passed value
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dom_uuid = getDomainUUID(zk_conn, domain)
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if dom_uuid == None:
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common.stopZKConnection(zk_conn)
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return False, 'ERROR: Could not find VM "{}" in the cluster!'.format(domain)
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current_node = zkhandler.readdata(zk_conn, '/domains/{}/node'.format(dom_uuid))
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if target_node == None:
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target_node = common.findTargetNode(zk_conn, selector, dom_uuid)
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else:
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if target_node == current_node:
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common.stopZKConnection(zk_conn)
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return False, 'ERROR: VM "{}" is already running on node "{}".'.format(dom_uuid, current_node)
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# Verify node is valid
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common.verifyNode(zk_conn, target_node)
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current_vm_state = zkhandler.readdata(zk_conn, '/domains/{}/state'.format(dom_uuid))
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if current_vm_state == 'start':
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click.echo('Permanently migrating VM "{}" to node "{}".'.format(dom_uuid, target_node))
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zkhandler.writedata(zk_conn, {
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'/domains/{}/state'.format(dom_uuid): 'migrate',
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'/domains/{}/node'.format(dom_uuid): target_node,
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'/domains/{}/lastnode'.format(dom_uuid): ''
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})
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else:
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click.echo('Permanently moving VM "{}" to node "{}".'.format(dom_uuid, target_node))
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zkhandler.writedata(zk_conn, {
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'/domains/{}/node'.format(dom_uuid): target_node,
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'/domains/{}/lastnode'.format(dom_uuid): ''
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})
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return True, ''
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def migrate_vm(zk_conn, domain, target_node, selector, force_migrate):
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# Validate and obtain alternate passed value
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dom_uuid = getDomainUUID(zk_conn, domain)
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if dom_uuid == None:
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common.stopZKConnection(zk_conn)
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return False, 'ERROR: Could not find VM "{}" in the cluster!'.format(domain)
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# Get state and verify we're OK to proceed
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current_state = zkhandler.readdata(zk_conn, '/domains/{}/state'.format(dom_uuid))
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if current_state != 'start':
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target_state = 'start'
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else:
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target_state = 'migrate'
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current_node = zkhandler.readdata(zk_conn, '/domains/{}/node'.format(dom_uuid))
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last_node = zkhandler.readdata(zk_conn, '/domains/{}/lastnode'.format(dom_uuid))
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if last_node != '' and force_migrate != True:
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click.echo('ERROR: VM "{}" has been previously migrated.'.format(dom_uuid))
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click.echo('> Last node: {}'.format(last_node))
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click.echo('> Current node: {}'.format(current_node))
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click.echo('Run `vm unmigrate` to restore the VM to its previous node, or use `--force` to override this check.')
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common.stopZKConnection(zk_conn)
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return False, ''
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if target_node == None:
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target_node = common.findTargetNode(zk_conn, selector, dom_uuid)
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else:
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if target_node == current_node:
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common.stopZKConnection(zk_conn)
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return False, 'ERROR: VM "{}" is already running on node "{}".'.format(dom_uuid, current_node)
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# Verify node is valid
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common.verifyNode(zk_conn, target_node)
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click.echo('Migrating VM "{}" to node "{}".'.format(dom_uuid, target_node))
|
|
zkhandler.writedata(zk_conn, {
|
|
'/domains/{}/state'.format(dom_uuid): 'migrate',
|
|
'/domains/{}/node'.format(dom_uuid): target_node,
|
|
'/domains/{}/lastnode'.format(dom_uuid): current_node
|
|
})
|
|
|
|
return True, ''
|
|
|
|
def unmigrate_vm(zk_conn, domain):
|
|
# Validate and obtain alternate passed value
|
|
dom_uuid = getDomainUUID(zk_conn, domain)
|
|
if dom_uuid == None:
|
|
common.stopZKConnection(zk_conn)
|
|
return False, 'ERROR: Could not find VM "{}" in the cluster!'.format(domain)
|
|
|
|
# Get state and verify we're OK to proceed
|
|
current_state = zkhandler.readdata(zk_conn, '/domains/{}/state'.format(dom_uuid))
|
|
if current_state != 'start':
|
|
target_state = 'start'
|
|
else:
|
|
target_state = 'migrate'
|
|
|
|
target_node = zkhandler.readdata(zk_conn, '/domains/{}/lastnode'.format(dom_uuid))
|
|
|
|
if target_node == '':
|
|
common.stopZKConnection(zk_conn)
|
|
return False, 'ERROR: VM "{}" has not been previously migrated.'.format(dom_uuid)
|
|
|
|
click.echo('Unmigrating VM "{}" back to node "{}".'.format(dom_uuid, target_node))
|
|
zkhandler.writedata(zk_conn, {
|
|
'/domains/{}/state'.format(dom_uuid): target_state,
|
|
'/domains/{}/node'.format(dom_uuid): target_node,
|
|
'/domains/{}/lastnode'.format(dom_uuid): ''
|
|
})
|
|
|
|
return True, ''
|
|
|
|
def get_info(zk_conn, domain, long_output):
|
|
# Validate and obtain alternate passed value
|
|
dom_uuid = getDomainUUID(zk_conn, domain)
|
|
if dom_uuid == None:
|
|
common.stopZKConnection(zk_conn)
|
|
return False, 'ERROR: Could not find VM "{}" in the cluster!'.format(domain)
|
|
|
|
# Gather information from XML config and print it
|
|
information = getInformationFromXML(zk_conn, dom_uuid, long_output)
|
|
click.echo(information)
|
|
|
|
# Get a failure reason if applicable
|
|
failedreason = zkhandler.readdata(zk_conn, '/domains/{}/failedreason'.format(dom_uuid))
|
|
if failedreason != '':
|
|
click.echo('')
|
|
click.echo('{}Failure reason:{} {}'.format(ansiprint.purple(), ansiprint.end(), failedreason))
|
|
|
|
click.echo('')
|
|
|
|
return True, ''
|
|
|
|
def get_list(zk_conn, node, limit, raw):
|
|
if node != None:
|
|
# Verify node is valid
|
|
common.verifyNode(zk_conn, node)
|
|
|
|
full_vm_list = zkhandler.listchildren(zk_conn, '/domains')
|
|
vm_list = []
|
|
vm_list_output = []
|
|
|
|
vm_node = {}
|
|
vm_state = {}
|
|
vm_migrated = {}
|
|
vm_uuid = {}
|
|
vm_name = {}
|
|
vm_description = {}
|
|
vm_memory = {}
|
|
vm_vcpu = {}
|
|
vm_nets = {}
|
|
|
|
# If we're limited, remove other nodes' VMs
|
|
for vm in full_vm_list:
|
|
|
|
# Check we don't match the limit
|
|
name = zkhandler.readdata(zk_conn, '/domains/{}'.format(vm))
|
|
vm_list_names.append(name)
|
|
if limit != None:
|
|
try:
|
|
# Implcitly assume fuzzy limits
|
|
if re.match('\^.*', limit) == None:
|
|
limit = '.*' + limit
|
|
if re.match('.*\$', limit) == None:
|
|
limit = limit + '.*'
|
|
|
|
if re.match(limit, vm) != None:
|
|
if node == None:
|
|
vm_list.append(vm)
|
|
else:
|
|
if vm_node[vm] == node:
|
|
vm_list.append(vm)
|
|
|
|
if re.match(limit, name) != None:
|
|
if node == None:
|
|
vm_list.append(vm)
|
|
else:
|
|
if vm_node[vm] == node:
|
|
vm_list.append(vm)
|
|
except Exception as e:
|
|
return False, 'Regex Error: {}'.format(e)
|
|
else:
|
|
# Check node to avoid unneeded ZK calls
|
|
if node == None:
|
|
vm_list.append(vm)
|
|
else:
|
|
if vm_node[vm] == node:
|
|
vm_list.append(vm)
|
|
|
|
if raw:
|
|
for vm in vm_list:
|
|
click.echo(vm_name[vm])
|
|
return True, ''
|
|
|
|
# Gather information for printing
|
|
for vm in vm_list:
|
|
vm_state[vm] = zkhandler.readdata(zk_conn, '/domains/{}/state'.format(vm))
|
|
vm_lastnode = zkhandler.readdata(zk_conn, '/domains/{}/lastnode'.format(vm))
|
|
if vm_lastnode != '':
|
|
vm_migrated[vm] = 'from {}'.format(vm_lastnode)
|
|
else:
|
|
vm_migrated[vm] = 'no'
|
|
|
|
try:
|
|
vm_xml = common.getDomainXML(zk_conn, vm)
|
|
vm_uuid[vm], vm_name[vm], vm_description[vm], vm_memory[vm], vm_vcpu[vm], vm_vcputopo = common.getDomainMainDetails(vm_xml)
|
|
dnets = common.getDomainNetworks(vm_xml)
|
|
vm_nets[vm] = []
|
|
for net in dnets:
|
|
# Split out just the numerical (VNI) part of the brXXXX name
|
|
net_vnis = re.findall(r'\d+', net['source'])
|
|
if net_vnis:
|
|
net_vni = net_vnis[0]
|
|
else:
|
|
net_vni = re.sub('br', '', net['source'])
|
|
vm_nets[vm].append(net_vni)
|
|
except AttributeError:
|
|
click.echo('Error: Domain {} does not exist.'.format(domain))
|
|
|
|
# Determine optimal column widths
|
|
# Dynamic columns: node_name, node, migrated
|
|
vm_name_length = 5
|
|
vm_uuid_length = 37
|
|
vm_state_length = 6
|
|
vm_nets_length = 9
|
|
vm_ram_length = 8
|
|
vm_vcpu_length = 6
|
|
vm_node_length = 8
|
|
vm_migrated_length = 10
|
|
for vm in vm_list:
|
|
# vm_name column
|
|
_vm_name_length = len(vm_name[vm]) + 1
|
|
if _vm_name_length > vm_name_length:
|
|
vm_name_length = _vm_name_length
|
|
# vm_state column
|
|
_vm_state_length = len(vm_state[vm]) + 1
|
|
if _vm_state_length > vm_state_length:
|
|
vm_state_length = _vm_state_length
|
|
# vm_nets column
|
|
_vm_nets_length = len(','.join(vm_nets[vm])) + 1
|
|
if _vm_nets_length > vm_nets_length:
|
|
vm_nets_length = _vm_nets_length
|
|
# vm_node column
|
|
_vm_node_length = len(vm_node[vm]) + 1
|
|
if _vm_node_length > vm_node_length:
|
|
vm_node_length = _vm_node_length
|
|
# vm_migrated column
|
|
_vm_migrated_length = len(vm_migrated[vm]) + 1
|
|
if _vm_migrated_length > vm_migrated_length:
|
|
vm_migrated_length = _vm_migrated_length
|
|
|
|
# Format the string (header)
|
|
vm_list_output.append(
|
|
'{bold}{vm_name: <{vm_name_length}} {vm_uuid: <{vm_uuid_length}} \
|
|
{vm_state_colour}{vm_state: <{vm_state_length}}{end_colour} \
|
|
{vm_networks: <{vm_nets_length}} \
|
|
{vm_memory: <{vm_ram_length}} {vm_vcpu: <{vm_vcpu_length}} \
|
|
{vm_node: <{vm_node_length}} \
|
|
{vm_migrated: <{vm_migrated_length}}{end_bold}'.format(
|
|
vm_name_length=vm_name_length,
|
|
vm_uuid_length=vm_uuid_length,
|
|
vm_state_length=vm_state_length,
|
|
vm_nets_length=vm_nets_length,
|
|
vm_ram_length=vm_ram_length,
|
|
vm_vcpu_length=vm_vcpu_length,
|
|
vm_node_length=vm_node_length,
|
|
vm_migrated_length=vm_migrated_length,
|
|
bold=ansiprint.bold(),
|
|
end_bold=ansiprint.end(),
|
|
vm_state_colour='',
|
|
end_colour='',
|
|
vm_name='Name',
|
|
vm_uuid='UUID',
|
|
vm_state='State',
|
|
vm_networks='Networks',
|
|
vm_memory='RAM (M)',
|
|
vm_vcpu='vCPUs',
|
|
vm_node='Node',
|
|
vm_migrated='Migrated'
|
|
)
|
|
)
|
|
|
|
# Format the string (elements)
|
|
for vm in vm_list:
|
|
if vm_state[vm] == 'start':
|
|
vm_state_colour = ansiprint.green()
|
|
elif vm_state[vm] == 'restart':
|
|
vm_state_colour = ansiprint.yellow()
|
|
elif vm_state[vm] == 'shutdown':
|
|
vm_state_colour = ansiprint.yellow()
|
|
elif vm_state[vm] == 'stop':
|
|
vm_state_colour = ansiprint.red()
|
|
elif vm_state[vm] == 'failed':
|
|
vm_state_colour = ansiprint.red()
|
|
else:
|
|
vm_state_colour = ansiprint.blue()
|
|
|
|
# Handle colouring for an invalid network config
|
|
net_list = []
|
|
vm_nets_colour = ansiprint.end()
|
|
for net in vm_nets[vm]:
|
|
net_exists = zkhandler.exists(zk_conn, '/networks/{}'.format(net))
|
|
net_list.append(net)
|
|
if not net_exists and net != 'cluster':
|
|
vm_nets_colour = ansiprint.red()
|
|
vm_nets[vm] = ','.join(net_list)
|
|
|
|
vm_list_output.append(
|
|
'{bold}{vm_name: <{vm_name_length}} {vm_uuid: <{vm_uuid_length}} \
|
|
{vm_state_colour}{vm_state: <{vm_state_length}}{end_colour} \
|
|
{vm_nets_colour}{vm_networks: <{vm_nets_length}}{end_colour} \
|
|
{vm_memory: <{vm_ram_length}} {vm_vcpu: <{vm_vcpu_length}} \
|
|
{vm_node: <{vm_node_length}} \
|
|
{vm_migrated: <{vm_migrated_length}}{end_bold}'.format(
|
|
vm_name_length=vm_name_length,
|
|
vm_uuid_length=vm_uuid_length,
|
|
vm_state_length=vm_state_length,
|
|
vm_nets_length=vm_nets_length,
|
|
vm_ram_length=vm_ram_length,
|
|
vm_vcpu_length=vm_vcpu_length,
|
|
vm_node_length=vm_node_length,
|
|
vm_migrated_length=vm_migrated_length,
|
|
bold='',
|
|
end_bold='',
|
|
vm_state_colour=vm_state_colour,
|
|
vm_nets_colour=vm_nets_colour,
|
|
end_colour=ansiprint.end(),
|
|
vm_name=vm_name[vm],
|
|
vm_uuid=vm_uuid[vm],
|
|
vm_state=vm_state[vm],
|
|
vm_networks=vm_nets[vm],
|
|
vm_memory=vm_memory[vm],
|
|
vm_vcpu=vm_vcpu[vm],
|
|
vm_node=vm_node[vm],
|
|
vm_migrated=vm_migrated[vm]
|
|
)
|
|
)
|
|
|
|
click.echo('\n'.join(sorted(vm_list_output)))
|
|
|
|
return True, ''
|