88 lines
3.0 KiB
Python
88 lines
3.0 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 block storage usage from the available pools."""
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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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DOC = """Get block storage usage from the available pools."""
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COMMAND_NAME = 'os_block_pools_usage'
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@click.command(COMMAND_NAME, short_help=DOC)
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@click.option('--config-file',
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help='MonitorStack 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 cores quotas."""
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setattr(cli, '__doc__', DOC)
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# Lower level import because we only want to load this module
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# when this plugin is called.
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from monitorstack.utils import os_utils as ost
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output = {
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'measurement_name': COMMAND_NAME,
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'meta': {
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'block_pools': 'usage'
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},
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'variables': {}
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}
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os_config = utils.read_config(
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config_file=config_file,
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no_config_fatal=False
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)
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service_config = os_config.get('cinder')
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cloud_config = os_config.get('cloud')
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if service_config:
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_ost = ost.OpenStack(os_auth_args=service_config)
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else:
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_ost = ost.OpenStack(os_auth_args=cloud_config)
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try:
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variables = output['variables']
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for item in _ost.get_volume_pool_stats():
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cap = item.capabilities
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pool_name = cap.get('volume_backend_name') or item.name
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if pool_name in output['meta']:
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continue
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else:
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output['meta'][pool_name] = True
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total_capacity_gb = float(cap.get('total_capacity_gb', 0))
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free_capacity_gb = float(cap.get('free_capacity_gb', 0))
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percent_used = 100 * (free_capacity_gb / total_capacity_gb)
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free_metric = '{}_free_capacity_gb'.format(pool_name)
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variables[free_metric] = free_capacity_gb
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total_metric = '{}_total_capacity_gb'.format(pool_name)
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variables[total_metric] = total_capacity_gb
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percent_metric = '{}_percent_used'.format(pool_name)
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variables[percent_metric] = percent_used
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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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