58 lines
1.9 KiB
Python
58 lines
1.9 KiB
Python
# vim: tabstop=4 shiftwidth=4 softtabstop=4
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# Copyright (c) 2011 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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Handles all processes within the Guest VM, considering it as a Platform
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The :py:class:`GuestManager` class is a :py:class:`nova.manager.Manager` that
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handles RPC calls relating to Platform specific operations.
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**Related Flags**
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"""
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from reddwarf.common import utils
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from reddwarf.openstack.common import log as logging
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LOG = logging.getLogger(__name__)
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SERVICE_REGISTRY = {
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'mysql': 'reddwarf.guestagent.manager.mysql.Manager',
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'percona': 'reddwarf.guestagent.manager.mysql.Manager', }
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class Interrogator(object):
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def get_filesystem_volume_stats(self, fs_path):
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out, err = utils.execute_with_timeout(
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"stat",
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"-f",
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"-t",
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fs_path)
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if err:
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LOG.error(err)
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raise RuntimeError("Filesystem not found (%s) : %s"
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% (fs_path, err))
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stats = out.split()
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output = {'block_size': int(stats[4]),
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'total_blocks': int(stats[6]),
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'free_blocks': int(stats[7]),
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'total': int(stats[6]) * int(stats[4]),
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'free': int(stats[7]) * int(stats[4])}
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output['used'] = int(output['total']) - int(output['free'])
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return output
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