85d591b1d8
Adds an admin API call to retrieve the compute node statistics for an entire nova instance. Counts up all hypervisors and sums all their values (vcpus, vcpus_used, etc.). Change-Id: I0a3df235282089f1313d08ae5b89dadbd1db9840
72 lines
2.1 KiB
Python
72 lines
2.1 KiB
Python
# Copyright 2012 OpenStack LLC.
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# All Rights Reserved.
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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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Hypervisors interface (1.1 extension).
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"""
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import urllib
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from novaclient import base
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class Hypervisor(base.Resource):
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def __repr__(self):
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return "<Hypervisor: %s>" % self.id
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class HypervisorManager(base.Manager):
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resource_class = Hypervisor
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def list(self, detailed=True):
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"""
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Get a list of hypervisors.
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"""
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detail = ""
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if detailed:
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detail = "/detail"
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return self._list('/os-hypervisors%s' % detail, 'hypervisors')
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def search(self, hypervisor_match, servers=False):
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"""
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Get a list of matching hypervisors.
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:param servers: If True, server information is also retrieved.
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"""
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target = 'servers' if servers else 'search'
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url = ('/os-hypervisors/%s/%s' %
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(urllib.quote(hypervisor_match, safe=''), target))
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return self._list(url, 'hypervisors')
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def get(self, hypervisor):
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"""
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Get a specific hypervisor.
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"""
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return self._get("/os-hypervisors/%s" % base.getid(hypervisor),
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"hypervisor")
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def uptime(self, hypervisor):
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"""
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Get the uptime for a specific hypervisor.
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"""
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return self._get("/os-hypervisors/%s/uptime" % base.getid(hypervisor),
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"hypervisor")
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def statistics(self):
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"""
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Get hypervisor statistics over all compute nodes.
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"""
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return self._get("/os-hypervisors/statistics", "hypervisor_statistics")
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