Major refactor to separate out and standardize libraries
This commit is contained in:
607
client-common/client_lib/vm.py
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607
client-common/client_lib/vm.py
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#!/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 tempfile
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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.ansiiprint as ansiiprint
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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 = zk_conn.get('/domains/{}/state'.format(uuid))[0].decode('ascii')
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dhypervisor = zk_conn.get('/domains/{}/hypervisor'.format(uuid))[0].decode('ascii')
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dlasthypervisor = zk_conn.get('/domains/{}/lasthypervisor'.format(uuid))[0].decode('ascii')
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except:
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return None
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if dlasthypervisor == '':
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dlasthypervisor = 'N/A'
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try:
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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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except AttributeError:
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click.echo('Error: Domain {} does not exist.'.format(domain))
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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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dnets = common.getDomainNetworks(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(ansiiprint.bold(), ansiiprint.end()))
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ainformation.append('')
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# Basic information
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ainformation.append('{}UUID:{} {}'.format(ansiiprint.purple(), ansiiprint.end(), duuid))
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ainformation.append('{}Name:{} {}'.format(ansiiprint.purple(), ansiiprint.end(), dname))
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ainformation.append('{}Description:{} {}'.format(ansiiprint.purple(), ansiiprint.end(), ddescription))
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ainformation.append('{}Memory (MiB):{} {}'.format(ansiiprint.purple(), ansiiprint.end(), dmemory))
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ainformation.append('{}vCPUs:{} {}'.format(ansiiprint.purple(), ansiiprint.end(), dvcpu))
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ainformation.append('{}Topology (S/C/T):{} {}'.format(ansiiprint.purple(), ansiiprint.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(ansiiprint.purple(), ansiiprint.end(), demulator))
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ainformation.append('{}Type:{} {}'.format(ansiiprint.purple(), ansiiprint.end(), dtype))
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ainformation.append('{}Arch:{} {}'.format(ansiiprint.purple(), ansiiprint.end(), darch))
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ainformation.append('{}Machine:{} {}'.format(ansiiprint.purple(), ansiiprint.end(), dmachine))
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ainformation.append('{}Features:{} {}'.format(ansiiprint.purple(), ansiiprint.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': ansiiprint.green(),
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'restart': ansiiprint.yellow(),
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'shutdown': ansiiprint.yellow(),
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'stop': ansiiprint.red(),
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'failed': ansiiprint.red(),
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'migrate': ansiiprint.blue(),
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'unmigrate': ansiiprint.blue()
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}
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ainformation.append('{}State:{} {}{}{}'.format(ansiiprint.purple(), ansiiprint.end(), dstate_colour[dstate], dstate, ansiiprint.end()))
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ainformation.append('{}Active Hypervisor:{} {}'.format(ansiiprint.purple(), ansiiprint.end(), dhypervisor))
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ainformation.append('{}Last Hypervisor:{} {}'.format(ansiiprint.purple(), ansiiprint.end(), dlasthypervisor))
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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(ansiiprint.purple(), ansiiprint.end(), ansiiprint.bold(), 'Name', ansiiprint.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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# Network list
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ainformation.append('')
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ainformation.append('{}Interfaces:{} {}ID Type Source Model MAC{}'.format(ansiiprint.purple(), ansiiprint.end(), ansiiprint.bold(), ansiiprint.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(ansiiprint.purple(), ansiiprint.end(), ansiiprint.bold(), ansiiprint.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 = zk_conn.get_children('/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(zk_conn.get('/domains/%s' % uuid)[0].decode('ascii'))
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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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#
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# Direct functions
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#
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def define_vm(zk_conn, config_data, target_hypervisor, selector):
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# Parse the XML data
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parsed_xml = lxml.objectify.fromstring(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_hypervisor == None:
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target_hypervisor = common.findTargetHypervisor(zk_conn, selector, dom_uuid)
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# Verify node is valid
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common.verifyNode(zk_conn, target_hypervisor)
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# Add the new domain to Zookeeper
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transaction = zk_conn.transaction()
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transaction.create('/domains/{}'.format(dom_uuid), dom_name.encode('ascii'))
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transaction.create('/domains/{}/state'.format(dom_uuid), 'stop'.encode('ascii'))
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transaction.create('/domains/{}/hypervisor'.format(dom_uuid), target_hypervisor.encode('ascii'))
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transaction.create('/domains/{}/lasthypervisor'.format(dom_uuid), ''.encode('ascii'))
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transaction.create('/domains/{}/failedreason'.format(dom_uuid), ''.encode('ascii'))
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transaction.create('/domains/{}/xml'.format(dom_uuid), data.encode('ascii'))
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results = transaction.commit()
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return True, ''
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def modify_vm(zk_conn, domain, restart):
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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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# Add the modified config to Zookeeper
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transaction = zk_conn.transaction()
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transaction.set_data('/domains/{}'.format(dom_uuid), dom_name.encode('ascii'))
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transaction.set_data('/domains/{}/xml'.format(dom_uuid), new_vm_config.encode('ascii'))
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if restart == True:
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transaction.set_data('/domains/{}/state'.format(dom_uuid), 'restart'.encode('ascii'))
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results = transaction.commit()
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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 = zk_conn.get('/domains/{}/state'.format(dom_uuid))[0].decode('ascii')
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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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transaction = zk_conn.transaction()
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transaction.set_data('/domains/{}/state'.format(dom_uuid), 'stop'.encode('ascii'))
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transaction.commit()
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# Wait for 3 seconds to allow state to flow to all hypervisors
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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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zk_conn.set('/domains/{}/state'.format(dom_uuid), 'delete'.encode('ascii'))
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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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transaction = zk_conn.transaction()
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transaction.delete('/domains/{}/state'.format(dom_uuid))
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transaction.delete('/domains/{}/hypervisor'.format(dom_uuid))
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transaction.delete('/domains/{}/lasthypervisor'.format(dom_uuid))
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transaction.delete('/domains/{}/failedreason'.format(dom_uuid))
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transaction.delete('/domains/{}/xml'.format(dom_uuid))
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transaction.delete('/domains/{}'.format(dom_uuid))
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transaction.commit()
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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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zk_conn.set('/domains/%s/state' % dom_uuid, 'start'.encode('ascii'))
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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 = zk_conn.get('/domains/{}/state'.format(dom_uuid))[0].decode('ascii')
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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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zk_conn.set('/domains/%s/state' % dom_uuid, 'restart'.encode('ascii'))
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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 = zk_conn.get('/domains/{}/state'.format(dom_uuid))[0].decode('ascii')
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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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zk_conn.set('/domains/%s/state' % dom_uuid, 'shutdown'.encode('ascii'))
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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 = zk_conn.get('/domains/{}/state'.format(dom_uuid))[0].decode('ascii')
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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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zk_conn.set('/domains/%s/state' % dom_uuid, 'stop'.encode('ascii'))
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return True, ''
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def move_vm(zk_conn, domain, target_hypervisor, 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_hypervisor = zk_conn.get('/domains/{}/hypervisor'.format(dom_uuid))[0].decode('ascii')
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if target_hypervisor == None:
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target_hypervisor = common.findTargetHypervisor(zk_conn, selector, dom_uuid)
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else:
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if target_hypervisor == current_hypervisor:
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common.stopZKConnection(zk_conn)
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return False, 'ERROR: VM "{}" is already running on hypervisor "{}".'.format(dom_uuid, current_hypervisor)
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# Verify node is valid
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common.verifyNode(zk_conn, target_hypervisor)
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current_vm_state = zk_conn.get('/domains/{}/state'.format(dom_uuid))[0].decode('ascii')
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if current_vm_state == 'start':
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click.echo('Permanently migrating VM "{}" to hypervisor "{}".'.format(dom_uuid, target_hypervisor))
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transaction = zk_conn.transaction()
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transaction.set_data('/domains/{}/state'.format(dom_uuid), 'migrate'.encode('ascii'))
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transaction.set_data('/domains/{}/hypervisor'.format(dom_uuid), target_hypervisor.encode('ascii'))
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transaction.set_data('/domains/{}/lasthypervisor'.format(dom_uuid), ''.encode('ascii'))
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transaction.commit()
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else:
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click.echo('Permanently moving VM "{}" to hypervisor "{}".'.format(dom_uuid, target_hypervisor))
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transaction = zk_conn.transaction()
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transaction.set_data('/domains/{}/hypervisor'.format(dom_uuid), target_hypervisor.encode('ascii'))
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transaction.set_data('/domains/{}/lasthypervisor'.format(dom_uuid), ''.encode('ascii'))
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transaction.commit()
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return True, ''
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def migrate_vm(zk_conn, domain, target_hypervisor, 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 = zk_conn.get('/domains/{}/state'.format(dom_uuid))[0].decode('ascii')
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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_hypervisor = zk_conn.get('/domains/{}/hypervisor'.format(dom_uuid))[0].decode('ascii')
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last_hypervisor = zk_conn.get('/domains/{}/lasthypervisor'.format(dom_uuid))[0].decode('ascii')
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if last_hypervisor != '' 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 hypervisor: {}'.format(last_hypervisor))
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click.echo('> Current hypervisor: {}'.format(current_hypervisor))
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click.echo('Run `vm unmigrate` to restore the VM to its previous hypervisor, 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_hypervisor == None:
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target_hypervisor = findTargetHypervisor(zk_conn, selector, dom_uuid)
|
||||
else:
|
||||
if target_hypervisor == current_hypervisor:
|
||||
common.stopZKConnection(zk_conn)
|
||||
return False, 'ERROR: VM "{}" is already running on hypervisor "{}".'.format(dom_uuid, current_hypervisor)
|
||||
|
||||
# Verify node is valid
|
||||
common.verifyNode(zk_conn, target_hypervisor)
|
||||
|
||||
click.echo('Migrating VM "{}" to hypervisor "{}".'.format(dom_uuid, target_hypervisor))
|
||||
transaction = zk_conn.transaction()
|
||||
transaction.set_data('/domains/{}/state'.format(dom_uuid), target_state.encode('ascii'))
|
||||
transaction.set_data('/domains/{}/hypervisor'.format(dom_uuid), target_hypervisor.encode('ascii'))
|
||||
transaction.set_data('/domains/{}/lasthypervisor'.format(dom_uuid), current_hypervisor.encode('ascii'))
|
||||
transaction.commit()
|
||||
|
||||
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 = zk_conn.get('/domains/{}/state'.format(dom_uuid))[0].decode('ascii')
|
||||
if current_state != 'start':
|
||||
target_state = 'start'
|
||||
else:
|
||||
target_state = 'migrate'
|
||||
|
||||
target_hypervisor = zk_conn.get('/domains/{}/lasthypervisor'.format(dom_uuid))[0].decode('ascii')
|
||||
|
||||
if target_hypervisor == '':
|
||||
common.stopZKConnection(zk_conn)
|
||||
return False, 'ERROR: VM "{}" has not been previously migrated.'.format(dom_uuid)
|
||||
|
||||
click.echo('Unmigrating VM "{}" back to hypervisor "{}".'.format(dom_uuid, target_hypervisor))
|
||||
transaction = zk_conn.transaction()
|
||||
transaction.set_data('/domains/{}/state'.format(dom_uuid), target_state.encode('ascii'))
|
||||
transaction.set_data('/domains/{}/hypervisor'.format(dom_uuid), target_hypervisor.encode('ascii'))
|
||||
transaction.set_data('/domains/{}/lasthypervisor'.format(dom_uuid), ''.encode('ascii'))
|
||||
transaction.commit()
|
||||
|
||||
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 = zk_conn.get('/domains/{}/failedreason'.format(dom_uuid))[0].decode('ascii')
|
||||
if failedreason != '':
|
||||
click.echo('')
|
||||
click.echo('{}Failure reason:{} {}'.format(ansiiprint.purple(), ansiiprint.end(), failedreason))
|
||||
|
||||
click.echo('')
|
||||
|
||||
return True, ''
|
||||
|
||||
def get_list(zk_conn, hypervisor, limit):
|
||||
if hypervisor != None:
|
||||
# Verify node is valid
|
||||
common.verifyNode(zk_conn, hypervisor)
|
||||
|
||||
vm_list_raw = zk_conn.get_children('/domains')
|
||||
vm_list = []
|
||||
vm_list_output = []
|
||||
|
||||
vm_hypervisor = {}
|
||||
vm_state = {}
|
||||
vm_migrated = {}
|
||||
vm_uuid = {}
|
||||
vm_name = {}
|
||||
vm_description = {}
|
||||
vm_memory = {}
|
||||
vm_vcpu = {}
|
||||
|
||||
# If we're limited, remove other nodes' VMs
|
||||
for vm in vm_list_raw:
|
||||
# Check we don't match the limit
|
||||
name = zk_conn.get('/domains/{}'.format(vm))[0].decode('ascii')
|
||||
if limit != None:
|
||||
try:
|
||||
if re.match(limit, name) == None:
|
||||
continue
|
||||
except Exception as e:
|
||||
click.echo('Regex Error: {}'.format(e))
|
||||
exit(1)
|
||||
# Check hypervisor to avoid unneeded ZK calls
|
||||
vm_hypervisor[vm] = zk_conn.get('/domains/{}/hypervisor'.format(vm))[0].decode('ascii')
|
||||
if hypervisor == None:
|
||||
vm_list.append(vm)
|
||||
else:
|
||||
if vm_hypervisor[vm] == hypervisor:
|
||||
vm_list.append(vm)
|
||||
|
||||
# Gather information for printing
|
||||
for vm in vm_list:
|
||||
vm_state[vm] = zk_conn.get('/domains/{}/state'.format(vm))[0].decode('ascii')
|
||||
vm_lasthypervisor = zk_conn.get('/domains/{}/lasthypervisor'.format(vm))[0].decode('ascii')
|
||||
if vm_lasthypervisor != '':
|
||||
vm_migrated[vm] = 'from {}'.format(vm_lasthypervisor)
|
||||
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)
|
||||
except AttributeError:
|
||||
click.echo('Error: Domain {} does not exist.'.format(domain))
|
||||
|
||||
# Determine optimal column widths
|
||||
# Dynamic columns: node_name, hypervisor, migrated
|
||||
vm_name_length = 0
|
||||
vm_hypervisor_length = 0
|
||||
vm_migrated_length = 0
|
||||
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_hypervisor column
|
||||
_vm_hypervisor_length = len(vm_hypervisor[vm]) + 1
|
||||
if _vm_hypervisor_length > vm_hypervisor_length:
|
||||
vm_hypervisor_length = _vm_hypervisor_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_header = ansiiprint.bold() + 'Name UUID State RAM [MiB] vCPUs Hypervisor Migrated?' + ansiiprint.end()
|
||||
vm_list_output.append(
|
||||
'{bold}{vm_name: <{vm_name_length}} {vm_uuid: <37} \
|
||||
{vm_state_colour}{vm_state: <8}{end_colour} \
|
||||
{vm_memory: <10} {vm_vcpu: <6} \
|
||||
{vm_hypervisor: <{vm_hypervisor_length}} \
|
||||
{vm_migrated: <{vm_migrated_length}}{end_bold}'.format(
|
||||
vm_name_length=vm_name_length,
|
||||
vm_hypervisor_length=vm_hypervisor_length,
|
||||
vm_migrated_length=vm_migrated_length,
|
||||
bold=ansiiprint.bold(),
|
||||
end_bold=ansiiprint.end(),
|
||||
vm_state_colour='',
|
||||
end_colour='',
|
||||
vm_name='Name',
|
||||
vm_uuid='UUID',
|
||||
vm_state='State',
|
||||
vm_memory='RAM (MiB)',
|
||||
vm_vcpu='vCPUs',
|
||||
vm_hypervisor='Hypervisor',
|
||||
vm_migrated='Migrated'
|
||||
)
|
||||
)
|
||||
|
||||
# Format the string (elements)
|
||||
for vm in vm_list:
|
||||
if vm_state[vm] == 'start':
|
||||
vm_state_colour = ansiiprint.green()
|
||||
elif vm_state[vm] == 'restart':
|
||||
vm_state_colour = ansiiprint.yellow()
|
||||
elif vm_state[vm] == 'shutdown':
|
||||
vm_state_colour = ansiiprint.yellow()
|
||||
elif vm_state[vm] == 'stop':
|
||||
vm_state_colour = ansiiprint.red()
|
||||
elif vm_state[vm] == 'failed':
|
||||
vm_state_colour = ansiiprint.red()
|
||||
else:
|
||||
vm_state_colour = ansiiprint.blue()
|
||||
|
||||
vm_list_output.append(
|
||||
'{bold}{vm_name: <{vm_name_length}} {vm_uuid: <37} \
|
||||
{vm_state_colour}{vm_state: <8}{end_colour} \
|
||||
{vm_memory: <10} {vm_vcpu: <6} \
|
||||
{vm_hypervisor: <{vm_hypervisor_length}} \
|
||||
{vm_migrated: <{vm_migrated_length}}{end_bold}'.format(
|
||||
vm_name_length=vm_name_length,
|
||||
vm_hypervisor_length=vm_hypervisor_length,
|
||||
vm_migrated_length=vm_migrated_length,
|
||||
bold='',
|
||||
end_bold='',
|
||||
vm_state_colour=vm_state_colour,
|
||||
end_colour=ansiiprint.end(),
|
||||
vm_name=vm_name[vm],
|
||||
vm_uuid=vm_uuid[vm],
|
||||
vm_state=vm_state[vm],
|
||||
vm_memory=vm_memory[vm],
|
||||
vm_vcpu=vm_vcpu[vm],
|
||||
vm_hypervisor=vm_hypervisor[vm],
|
||||
vm_migrated=vm_migrated[vm]
|
||||
)
|
||||
)
|
||||
|
||||
click.echo('\n'.join(sorted(vm_list_output)))
|
||||
|
||||
return True, ''
|
||||
Reference in New Issue
Block a user