129 lines
4.5 KiB
Python
129 lines
4.5 KiB
Python
# Copyright 2012-2013 OpenStack Foundation
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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#
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"""Hypervisor action implementations"""
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import re
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from novaclient import exceptions as nova_exceptions
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from osc_lib.command import command
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from osc_lib import utils
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from openstackclient.i18n import _
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class ListHypervisor(command.Lister):
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_description = _("List hypervisors")
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def get_parser(self, prog_name):
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parser = super(ListHypervisor, self).get_parser(prog_name)
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parser.add_argument(
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"--matching",
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metavar="<hostname>",
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help=_("Filter hypervisors using <hostname> substring")
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)
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parser.add_argument(
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'--long',
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action='store_true',
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help=_("List additional fields in output")
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)
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return parser
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def take_action(self, parsed_args):
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compute_client = self.app.client_manager.compute
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columns = (
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"ID",
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"Hypervisor Hostname",
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"Hypervisor Type",
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"Host IP",
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"State"
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)
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if parsed_args.long:
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columns += ("vCPUs Used", "vCPUs", "Memory MB Used", "Memory MB")
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if parsed_args.matching:
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data = compute_client.hypervisors.search(parsed_args.matching)
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else:
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data = compute_client.hypervisors.list()
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return (columns,
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(utils.get_item_properties(
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s, columns,
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) for s in data))
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class ShowHypervisor(command.ShowOne):
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_description = _("Display hypervisor details")
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def get_parser(self, prog_name):
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parser = super(ShowHypervisor, self).get_parser(prog_name)
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parser.add_argument(
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"hypervisor",
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metavar="<hypervisor>",
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help=_("Hypervisor to display (name or ID)")
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)
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return parser
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def take_action(self, parsed_args):
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compute_client = self.app.client_manager.compute
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hypervisor = utils.find_resource(compute_client.hypervisors,
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parsed_args.hypervisor)._info.copy()
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aggregates = compute_client.aggregates.list()
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hypervisor["aggregates"] = list()
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if aggregates:
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# Hypervisors in nova cells are prefixed by "<cell>@"
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if "@" in hypervisor['service']['host']:
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cell, service_host = hypervisor['service']['host'].split('@',
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1)
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else:
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cell = None
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service_host = hypervisor['service']['host']
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if cell:
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# The host aggregates are also prefixed by "<cell>@"
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member_of = [aggregate.name
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for aggregate in aggregates
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if cell in aggregate.name and
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service_host in aggregate.hosts]
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else:
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member_of = [aggregate.name
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for aggregate in aggregates
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if service_host in aggregate.hosts]
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hypervisor["aggregates"] = member_of
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try:
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uptime = compute_client.hypervisors.uptime(hypervisor['id'])._info
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# Extract data from uptime value
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# format: 0 up 0, 0 users, load average: 0, 0, 0
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# example: 17:37:14 up 2:33, 3 users,
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# load average: 0.33, 0.36, 0.34
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m = re.match(
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r"\s*(.+)\sup\s+(.+),\s+(.+)\susers?,\s+load average:\s(.+)",
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uptime['uptime'])
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if m:
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hypervisor["host_time"] = m.group(1)
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hypervisor["uptime"] = m.group(2)
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hypervisor["users"] = m.group(3)
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hypervisor["load_average"] = m.group(4)
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except nova_exceptions.HTTPNotImplemented:
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pass
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hypervisor["service_id"] = hypervisor["service"]["id"]
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hypervisor["service_host"] = hypervisor["service"]["host"]
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del hypervisor["service"]
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return zip(*sorted(hypervisor.items()))
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