72 lines
2.3 KiB
Python
72 lines
2.3 KiB
Python
# Copyright 2017, Kevin Carter <kevin@cloudnull.com>
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain 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,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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"""Get nova used ram."""
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import collections
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import click
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from monitorstack import utils
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from monitorstack.cli import pass_context
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from monitorstack.utils import os_utils as ost
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DOC = """Get nova used ram."""
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COMMAND_NAME = 'os_vm_used_ram'
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@click.command(COMMAND_NAME, short_help=DOC)
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@click.option('--config-file',
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help='OpenStack configuration file',
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default='openstack.ini')
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@pass_context
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def cli(ctx, config_file):
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"""Get nova used ram."""
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setattr(cli, '__doc__', DOC)
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output = {
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'measurement_name': COMMAND_NAME,
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'meta': {
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'used': 'ram'
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},
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'variables': {}
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}
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used_collection = collections.Counter()
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nova_config = utils.read_config(config_file=config_file)['nova']
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_ost = ost.OpenStack(os_auth_args=nova_config)
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try:
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flavors = _ost.get_flavors()
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variables = output['variables']
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for used in _ost.get_consumer_usage():
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flavor = flavors[used['flavor']['id']]
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project_name = _ost.get_project_name(project_id=used['project_id'])
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used_collection[project_name] += int(flavor['ram'])
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flavor_id = used['flavor']['id']
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output['meta'][flavor_id] = True
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flavor_name = _ost.get_flavor_name(flavor_id=flavor_id)
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output['meta'][flavor_name] = True
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variables.update(used_collection)
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except Exception as exp:
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output['exit_code'] = 1
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output['message'] = '{} failed -- {}'.format(
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COMMAND_NAME,
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utils.log_exception(exp=exp)
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)
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else:
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output['exit_code'] = 0
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output['message'] = '{} is ok'.format(COMMAND_NAME)
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finally:
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return output
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