3bfaf79732
This adds support for showing which host aggregates a hypervisor is member of, if any. It supports hypervisors with or without nova cells. Closes-bug: #1470875 Change-Id: I0cfe4f15fa8f8ba0be3295b79cd438998893114c
120 lines
4.2 KiB
Python
120 lines
4.2 KiB
Python
# Copyright 2013 OpenStack, LLC.
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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 logging
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import re
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import six
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from cliff import lister
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from cliff import show
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from openstackclient.common import utils
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class ListHypervisor(lister.Lister):
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"""List hypervisors"""
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log = logging.getLogger(__name__ + ".ListHypervisor")
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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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return parser
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def take_action(self, parsed_args):
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self.log.debug("take_action(%s)", 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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)
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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(show.ShowOne):
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"""Display hypervisor details"""
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log = logging.getLogger(__name__ + ".ShowHypervisor")
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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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return parser
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def take_action(self, parsed_args):
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self.log.debug("take_action(%s)", 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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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, load average: 0.33, 0.36, 0.34
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m = re.match("(.+)\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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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(six.iteritems(hypervisor)))
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