804 lines
32 KiB
Python
804 lines
32 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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from collections import deque
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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):
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"""
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Gather information about a VM from the Libvirt XML configuration in the Zookeper database
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and return a dict() containing it.
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"""
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domain_state = zkhandler.readdata(zk_conn, '/domains/{}/state'.format(uuid))
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domain_node = zkhandler.readdata(zk_conn, '/domains/{}/node'.format(uuid))
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domain_lastnode = zkhandler.readdata(zk_conn, '/domains/{}/lastnode'.format(uuid))
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domain_failedreason = zkhandler.readdata(zk_conn, '/domains/{}/failedreason'.format(uuid))
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if domain_lastnode == '':
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domain_lastnode = 'N/A'
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parsed_xml = common.getDomainXML(zk_conn, uuid)
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domain_uuid, domain_name, domain_description, domain_memory, domain_vcpu, domain_vcputopo = common.getDomainMainDetails(parsed_xml)
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domain_networks = common.getDomainNetworks(parsed_xml)
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domain_type, domain_arch, domain_machine, domain_console, domain_emulator = common.getDomainExtraDetails(parsed_xml)
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domain_features = common.getDomainCPUFeatures(parsed_xml)
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domain_disks = common.getDomainDisks(parsed_xml)
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domain_controllers = common.getDomainControllers(parsed_xml)
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if domain_lastnode != '':
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domain_migrated = 'from {}'.format(domain_lastnode)
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else:
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domain_migrated = 'no'
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domain_information = {
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'name': domain_name,
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'uuid': domain_uuid,
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'state': domain_state,
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'node': domain_node,
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'last_node': domain_lastnode,
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'migrated': domain_migrated,
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'failed_reason': domain_failedreason,
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'description': domain_description,
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'memory': domain_memory,
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'vcpu': domain_vcpu,
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'vcpu_topology': domain_vcputopo,
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'networks': domain_networks,
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'type': domain_type,
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'arch': domain_arch,
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'machine': domain_machine,
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'console': domain_console,
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'emulator': domain_emulator,
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'features': domain_features,
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'disks': domain_disks,
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'controllers': domain_controllers
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}
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return domain_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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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/{}/consolelog'.format(dom_uuid): '',
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'/domains/{}/xml'.format(dom_uuid): config_data
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})
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return True, 'Added new VM with Name "{}" and UUID "{}" to database.'.format(dom_name, dom_uuid)
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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 not dom_uuid:
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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 not dom_uuid:
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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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return True, vm_xml
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def undefine_vm(zk_conn, domain, is_cli=False):
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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 not dom_uuid:
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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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if is_cli:
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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 1 second to allow state to flow to all nodes
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if is_cli:
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click.echo('Waiting for cluster to update.')
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time.sleep(2)
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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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if is_cli:
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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(2)
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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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if is_cli:
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click.echo('Undefining VM "{}".'.format(dom_uuid))
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zkhandler.deletekey(zk_conn, '/domains/{}'.format(dom_uuid))
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except:
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pass
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return True, 'Removed VM "{}" from the cluster.'.format(dom_uuid)
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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 not dom_uuid:
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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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zkhandler.writedata(zk_conn, {'/domains/{}/state'.format(dom_uuid): 'start'})
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return True, 'Starting VM "{}".'.format(dom_uuid)
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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 not dom_uuid:
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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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zkhandler.writedata(zk_conn, {'/domains/{}/state'.format(dom_uuid): 'restart'})
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return True, 'Restarting VM "{}".'.format(dom_uuid)
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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 not dom_uuid:
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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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zkhandler.writedata(zk_conn, {'/domains/{}/state'.format(dom_uuid): 'shutdown'})
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return True, 'Shutting down VM "{}".'.format(dom_uuid)
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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 not dom_uuid:
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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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# Set the VM to start
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zkhandler.writedata(zk_conn, {'/domains/{}/state'.format(dom_uuid): 'stop'})
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return True, 'Forcibly stopping VM "{}".'.format(dom_uuid)
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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 not dom_uuid:
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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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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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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, 'Permanently migrating VM "{}" to node "{}".'.format(dom_uuid, target_node)
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def migrate_vm(zk_conn, domain, target_node, selector, force_migrate, is_cli=False):
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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 not dom_uuid:
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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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if is_cli:
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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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return False, ''
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else:
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return False, 'ERROR: VM "{}" has been previously migrated.'.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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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): current_node
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})
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return True, 'Migrating VM "{}" to node "{}".'.format(dom_uuid, target_node)
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def unmigrate_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 not dom_uuid:
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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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# If the current state isn't start, preserve it; we're not doing live migration
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target_state = current_state
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else:
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target_state = 'migrate'
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target_node = zkhandler.readdata(zk_conn, '/domains/{}/lastnode'.format(dom_uuid))
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if target_node == '':
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common.stopZKConnection(zk_conn)
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return False, 'ERROR: VM "{}" has not been previously migrated.'.format(dom_uuid)
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zkhandler.writedata(zk_conn, {
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'/domains/{}/state'.format(dom_uuid): target_state,
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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, 'Unmigrating VM "{}" back to node "{}".'.format(dom_uuid, target_node)
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def get_console_log(zk_conn, domain, lines=1000):
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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 not dom_uuid:
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return False, 'ERROR: Could not find VM "{}" in the cluster!'.format(domain)
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# Get the data from ZK
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console_log = zkhandler.readdata(zk_conn, '/domains/{}/consolelog'.format(dom_uuid))
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# Shrink the log buffer to length lines
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shrunk_log = console_log.split('\n')[-lines:]
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loglines = '\n'.join(shrunk_log)
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# Show it in the pager (less)
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try:
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pager = subprocess.Popen(['less', '-R'], stdin=subprocess.PIPE)
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pager.communicate(input=loglines.encode('utf8'))
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except FileNotFoundError:
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return False, 'ERROR: The "less" pager is required to view console logs.'
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return True, ''
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def follow_console_log(zk_conn, domain, lines=10):
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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 not dom_uuid:
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return False, 'ERROR: Could not find VM "{}" in the cluster!'.format(domain)
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# Get the initial data from ZK
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console_log = zkhandler.readdata(zk_conn, '/domains/{}/consolelog'.format(dom_uuid))
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# Shrink the log buffer to length lines
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shrunk_log = console_log.split('\n')[-lines:]
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loglines = '\n'.join(shrunk_log)
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# Print the initial data and begin following
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print(loglines, end='')
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while True:
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# Grab the next line set
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new_console_log = zkhandler.readdata(zk_conn, '/domains/{}/consolelog'.format(dom_uuid))
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# Split the new and old log strings into constitutent lines
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old_console_loglines = console_log.split('\n')
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new_console_loglines = new_console_log.split('\n')
|
|
# Set the console log to the new log value for the next iteration
|
|
console_log = new_console_log
|
|
# Remove the lines from the old log until we hit the first line of the new log; this
|
|
# ensures that the old log is a string that we can remove from the new log entirely
|
|
for index, line in enumerate(old_console_loglines, start=0):
|
|
if line == new_console_loglines[0]:
|
|
del old_console_loglines[0:index]
|
|
break
|
|
# Rejoin the log lines into strings
|
|
old_console_log = '\n'.join(old_console_loglines)
|
|
new_console_log = '\n'.join(new_console_loglines)
|
|
# Remove the old lines from the new log
|
|
diff_console_log = new_console_log.replace(old_console_log, "")
|
|
# If there's a difference, print it out
|
|
if diff_console_log != "":
|
|
print(diff_console_log, end='')
|
|
# Wait a second
|
|
time.sleep(1)
|
|
|
|
return True, ''
|
|
|
|
def get_info(zk_conn, domain):
|
|
# Validate and obtain alternate passed value
|
|
dom_uuid = getDomainUUID(zk_conn, domain)
|
|
if not dom_uuid:
|
|
common.stopZKConnection(zk_conn)
|
|
return False, 'ERROR: No VM named "{}" is present in the cluster.'.format(domain)
|
|
|
|
# Gather information from XML config and print it
|
|
domain_information = getInformationFromXML(zk_conn, dom_uuid)
|
|
if domain_information == None:
|
|
return False, 'ERROR: Could not get information about VM "{}".'.format(domain)
|
|
|
|
return True, domain_information
|
|
|
|
def get_list(zk_conn, node, state, limit):
|
|
if node != None:
|
|
# Verify node is valid
|
|
common.verifyNode(zk_conn, node)
|
|
|
|
if state != None:
|
|
valid_states = [ 'start', 'restart', 'shutdown', 'stop', 'failed', 'migrate', 'unmigrate' ]
|
|
if not state in valid_states:
|
|
return False, 'VM state "{}" is not valid.'.format(state)
|
|
|
|
full_vm_list = zkhandler.listchildren(zk_conn, '/domains')
|
|
vm_list = []
|
|
|
|
# Set our limit to a sensible regex
|
|
if limit != None:
|
|
try:
|
|
# Implcitly assume fuzzy limits
|
|
if re.match('\^.*', limit) == None:
|
|
limit = '.*' + limit
|
|
if re.match('.*\$', limit) == None:
|
|
limit = limit + '.*'
|
|
except Exception as e:
|
|
return False, 'Regex Error: {}'.format(e)
|
|
|
|
# If we're limited, remove other nodes' VMs
|
|
vm_node = {}
|
|
vm_state = {}
|
|
for vm in full_vm_list:
|
|
# Check we don't match the limit
|
|
name = zkhandler.readdata(zk_conn, '/domains/{}'.format(vm))
|
|
vm_node[vm] = zkhandler.readdata(zk_conn, '/domains/{}/node'.format(vm))
|
|
vm_state[vm] = zkhandler.readdata(zk_conn, '/domains/{}/state'.format(vm))
|
|
# Handle limiting
|
|
if limit != None:
|
|
try:
|
|
if re.match(limit, vm) != None:
|
|
if node == None and state == None:
|
|
vm_list.append(getInformationFromXML(zk_conn, vm))
|
|
else:
|
|
if vm_node[vm] == node or vm_state[vm] == state:
|
|
vm_list.append(getInformationFromXML(zk_conn, vm))
|
|
|
|
if re.match(limit, name) != None:
|
|
if node == None and state == None:
|
|
vm_list.append(getInformationFromXML(zk_conn, vm))
|
|
else:
|
|
if vm_node[vm] == node or vm_state[vm] == state:
|
|
vm_list.append(getInformationFromXML(zk_conn, vm))
|
|
except Exception as e:
|
|
return False, 'Regex Error: {}'.format(e)
|
|
else:
|
|
# Check node to avoid unneeded ZK calls
|
|
if node == None and state == None:
|
|
vm_list.append(getInformationFromXML(zk_conn, vm))
|
|
else:
|
|
if vm_node[vm] == node or vm_state[vm] == state:
|
|
vm_list.append(getInformationFromXML(zk_conn, vm))
|
|
|
|
return True, vm_list
|
|
|
|
#
|
|
# CLI-specific functions
|
|
#
|
|
def format_info(zk_conn, domain_information, long_output):
|
|
# Format a nice output; do this line-by-line then concat the elements at the end
|
|
ainformation = []
|
|
ainformation.append('{}Virtual machine information:{}'.format(ansiprint.bold(), ansiprint.end()))
|
|
ainformation.append('')
|
|
# Basic information
|
|
ainformation.append('{}UUID:{} {}'.format(ansiprint.purple(), ansiprint.end(), domain_information['uuid']))
|
|
ainformation.append('{}Name:{} {}'.format(ansiprint.purple(), ansiprint.end(), domain_information['name']))
|
|
ainformation.append('{}Description:{} {}'.format(ansiprint.purple(), ansiprint.end(), domain_information['description']))
|
|
ainformation.append('{}Memory (M):{} {}'.format(ansiprint.purple(), ansiprint.end(), domain_information['memory']))
|
|
ainformation.append('{}vCPUs:{} {}'.format(ansiprint.purple(), ansiprint.end(), domain_information['vcpu']))
|
|
ainformation.append('{}Topology (S/C/T):{} {}'.format(ansiprint.purple(), ansiprint.end(), domain_information['vcpu_topology']))
|
|
|
|
if long_output == True:
|
|
# Virtualization information
|
|
ainformation.append('')
|
|
ainformation.append('{}Emulator:{} {}'.format(ansiprint.purple(), ansiprint.end(), domain_information['emulator']))
|
|
ainformation.append('{}Type:{} {}'.format(ansiprint.purple(), ansiprint.end(), domain_information['type']))
|
|
ainformation.append('{}Arch:{} {}'.format(ansiprint.purple(), ansiprint.end(), domain_information['arch']))
|
|
ainformation.append('{}Machine:{} {}'.format(ansiprint.purple(), ansiprint.end(), domain_information['machine']))
|
|
ainformation.append('{}Features:{} {}'.format(ansiprint.purple(), ansiprint.end(), ' '.join(domain_information['features'])))
|
|
|
|
# PVC cluster information
|
|
ainformation.append('')
|
|
dstate_colour = {
|
|
'start': ansiprint.green(),
|
|
'restart': ansiprint.yellow(),
|
|
'shutdown': ansiprint.yellow(),
|
|
'stop': ansiprint.red(),
|
|
'failed': ansiprint.red(),
|
|
'migrate': ansiprint.blue(),
|
|
'unmigrate': ansiprint.blue()
|
|
}
|
|
ainformation.append('{}State:{} {}{}{}'.format(ansiprint.purple(), ansiprint.end(), dstate_colour[domain_information['state']], domain_information['state'], ansiprint.end()))
|
|
ainformation.append('{}Current Node:{} {}'.format(ansiprint.purple(), ansiprint.end(), domain_information['node']))
|
|
ainformation.append('{}Previous Node:{} {}'.format(ansiprint.purple(), ansiprint.end(), domain_information['last_node']))
|
|
|
|
# Get a failure reason if applicable
|
|
if domain_information['failed_reason'] != '':
|
|
click.echo('')
|
|
click.echo('{}Failure reason:{} {}'.format(ansiprint.purple(), ansiprint.end(), domain_information['failed_reason']))
|
|
|
|
# Network list
|
|
net_list = []
|
|
for net in domain_information['networks']:
|
|
# 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'])
|
|
net_exists = zkhandler.exists(zk_conn, '/networks/{}'.format(net_vni))
|
|
if not net_exists and net_vni != 'cluster':
|
|
net_list.append(ansiprint.red() + net_vni + ansiprint.end() + ' [invalid]')
|
|
else:
|
|
net_list.append(net_vni)
|
|
ainformation.append('')
|
|
ainformation.append('{}Networks:{} {}'.format(ansiprint.purple(), ansiprint.end(), ', '.join(net_list)))
|
|
|
|
if long_output == True:
|
|
# Disk list
|
|
ainformation.append('')
|
|
name_length = 0
|
|
for disk in domain_information['disks']:
|
|
_name_length = len(disk['name']) + 1
|
|
if _name_length > name_length:
|
|
name_length = _name_length
|
|
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))
|
|
for disk in domain_information['disks']:
|
|
ainformation.append(' {0: <3} {1: <5} {2: <{width}} {3: <4} {4: <5}'.format(domain_information['disks'].index(disk), disk['type'], disk['name'], disk['dev'], disk['bus'], width=name_length))
|
|
ainformation.append('')
|
|
ainformation.append('{}Interfaces:{} {}ID Type Source Model MAC{}'.format(ansiprint.purple(), ansiprint.end(), ansiprint.bold(), ansiprint.end()))
|
|
for net in domain_information['nets']:
|
|
ainformation.append(' {0: <3} {1: <8} {2: <10} {3: <8} {4}'.format(domain_information['nets'].index(net), net['type'], net['source'], net['model'], net['mac']))
|
|
# Controller list
|
|
ainformation.append('')
|
|
ainformation.append('{}Controllers:{} {}ID Type Model{}'.format(ansiprint.purple(), ansiprint.end(), ansiprint.bold(), ansiprint.end()))
|
|
for controller in domain_information['controllers']:
|
|
ainformation.append(' {0: <3} {1: <14} {2: <8}'.format(domain_information['controllers'].index(controller), controller['type'], controller['model']))
|
|
|
|
# Join it all together
|
|
information = '\n'.join(ainformation)
|
|
click.echo(information)
|
|
|
|
click.echo('')
|
|
|
|
def format_list(zk_conn, vm_list, raw):
|
|
# Handle raw mode since it just lists the names
|
|
if raw:
|
|
for vm in sorted(vm_name.values()):
|
|
click.echo(vm)
|
|
return True, ''
|
|
|
|
vm_list_output = []
|
|
|
|
# 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 domain_information in vm_list:
|
|
# Network list
|
|
net_list = []
|
|
for net in domain_information['networks']:
|
|
# 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'])
|
|
net_list.append(net_vni)
|
|
# vm_name column
|
|
_vm_name_length = len(domain_information['name']) + 1
|
|
if _vm_name_length > vm_name_length:
|
|
vm_name_length = _vm_name_length
|
|
# vm_state column
|
|
_vm_state_length = len(domain_information['state']) + 1
|
|
if _vm_state_length > vm_state_length:
|
|
vm_state_length = _vm_state_length
|
|
# vm_nets column
|
|
_vm_nets_length = len(','.join(net_list)) + 1
|
|
if _vm_nets_length > vm_nets_length:
|
|
vm_nets_length = _vm_nets_length
|
|
# vm_node column
|
|
_vm_node_length = len(domain_information['node']) + 1
|
|
if _vm_node_length > vm_node_length:
|
|
vm_node_length = _vm_node_length
|
|
# vm_migrated column
|
|
_vm_migrated_length = len(domain_information['migrated']) + 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 domain_information in vm_list:
|
|
if domain_information['state'] == 'start':
|
|
vm_state_colour = ansiprint.green()
|
|
elif domain_information['state'] == 'restart':
|
|
vm_state_colour = ansiprint.yellow()
|
|
elif domain_information['state'] == 'shutdown':
|
|
vm_state_colour = ansiprint.yellow()
|
|
elif domain_information['state'] == 'stop':
|
|
vm_state_colour = ansiprint.red()
|
|
elif domain_information['state'] == 'failed':
|
|
vm_state_colour = ansiprint.red()
|
|
else:
|
|
vm_state_colour = ansiprint.blue()
|
|
|
|
# Handle colouring for an invalid network config
|
|
net_list = []
|
|
for net in domain_information['networks']:
|
|
# 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'])
|
|
net_exists = zkhandler.exists(zk_conn, '/networks/{}'.format(net_vni))
|
|
if not net_exists and net_vni != 'cluster':
|
|
net_list.append(ansiprint.red() + net_vni + ansiprint.end())
|
|
else:
|
|
net_list.append(net_vni)
|
|
|
|
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='',
|
|
end_bold='',
|
|
vm_state_colour=vm_state_colour,
|
|
end_colour=ansiprint.end(),
|
|
vm_name=domain_information['name'],
|
|
vm_uuid=domain_information['uuid'],
|
|
vm_state=domain_information['state'],
|
|
vm_networks=','.join(net_list),
|
|
vm_memory=domain_information['memory'],
|
|
vm_vcpu=domain_information['vcpu'],
|
|
vm_node=domain_information['node'],
|
|
vm_migrated=domain_information['migrated']
|
|
)
|
|
)
|
|
|
|
click.echo('\n'.join(sorted(vm_list_output)))
|
|
|
|
return True, ''
|
|
|