remove working copy
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#!/usr/bin/python2
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# by skvidal
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# ported by doteast to ansible 2.0
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# gplv2+
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# print out the ACTUAL freemem - not overcommitted value
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import sys
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from collections import namedtuple
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from ansible.parsing.dataloader import DataLoader
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from ansible.vars import VariableManager
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from ansible.inventory import Inventory
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from ansible.playbook.play import Play
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from ansible.executor.task_queue_manager import TaskQueueManager
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from ansible.plugins.callback import CallbackBase
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from optparse import OptionParser
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class OutputCallback(CallbackBase):
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def __init__(self, *args, **kwargs):
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super(OutputCallback, self).__init__(*args, **kwargs)
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self.unreachable = set()
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self.cpu_per_host = {}
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self.mem_per_host = {}
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self.mem_used_in_vm = {}
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self.cpu_used_in_vm = {}
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def v2_runner_on_unreachable(self, result):
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self.unreachable.add(result._host.get_name())
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def v2_runner_on_ok(self, result, *args, **kwargs):
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vhostname=result._host.get_name()
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if result._result['invocation']['module_args']['command'] == 'nodeinfo':
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self.cpu_per_host[vhostname]=int(result._result['cpus'])
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self.mem_per_host[vhostname]=int(result._result['phymemory'])
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if result._result['invocation']['module_args']['command'] == 'info':
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mem_used = 0
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cpu_used = 0
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for vm in result._result.keys():
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if vm not in ['invocation', 'changed', '_ansible_no_log']:
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if vm and type(result._result[vm]) == dict:
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mem_used += int(result._result[vm]['memory'])/1024
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cpu_used += int(result._result[vm]['nrVirtCpu'])
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self.mem_used_in_vm[vhostname]=mem_used
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self.cpu_used_in_vm[vhostname]=cpu_used
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parser = OptionParser(version = "1.0")
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parser.add_option('--host', default=[], action='append', help="hosts to act on, defaults to virthosts")
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parser.add_option('--hosts-from-file', default=None, dest="host_file", help="read list of hosts from this file")
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(opts, args) = parser.parse_args(sys.argv[1:])
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if not opts.host:
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hosts = ["virthosts"]
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else:
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hosts = ';'.join(opts.host)
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if not opts.host:
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hosts = ["virthosts"]
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else:
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hosts = ';'.join(opts.host)
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Options = namedtuple('Options', ['connection','module_path', 'forks', 'remote_user', 'private_key_file', 'ssh_common_args', 'ssh_extra_args', 'sftp_extra_args', 'scp_extra_args', 'become', 'become_method', 'become_user', 'verbosity', 'check', 'timeout'])
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# initialize needed objects
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variable_manager = VariableManager()
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loader = DataLoader()
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options = Options(connection='ssh', module_path=None, forks=25, remote_user=None, private_key_file=None, ssh_common_args=None, ssh_extra_args=None, sftp_extra_args=None, scp_extra_args=None, become=None, become_method=None, become_user=None, verbosity=None, check=False, timeout=10)
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# create inventory and pass to var manager
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if opts.host_file:
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inventory = Inventory(loader=loader, variable_manager=variable_manager, host_list=opts.host_file)
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else:
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inventory = Inventory(loader=loader, variable_manager=variable_manager)
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variable_manager.set_inventory(inventory)
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# create play with tasks
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play_source = dict(
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name = "vhost-info",
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hosts = hosts,
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gather_facts = 'no',
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tasks = [ dict(action=dict(module='virt', args=dict(command='nodeinfo'))), dict(action=dict(module='virt', args=dict(command='info'))) ]
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)
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play = Play().load(play_source, variable_manager=variable_manager, loader=loader)
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cb=OutputCallback()
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tqm = None
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try:
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tqm = TaskQueueManager(
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inventory=inventory,
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variable_manager=variable_manager,
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loader=loader,
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options=options,
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passwords=None,run_additional_callbacks=False,
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stdout_callback=cb,
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)
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result = tqm.run(play)
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finally:
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if tqm is not None:
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tqm.cleanup()
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for vhostname in sorted(cb.mem_per_host):
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freemem = cb.mem_per_host[vhostname] - cb.mem_used_in_vm[vhostname]
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freecpu = cb.cpu_per_host[vhostname] - cb.cpu_used_in_vm[vhostname]
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print '%s:\t%s/%s mem(unused/total)\t%s/%s cpus(unused/total)' % (
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vhostname, freemem, cb.mem_per_host[vhostname], freecpu, cb.cpu_per_host[vhostname])
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