e786c69b15
This change adds the cinder storage pools data to the influx metric collection system as a plugin. Change-Id: I632b53aa09d69c6df28b86988629242a26ab9b50 Signed-off-by: Kevin Carter <kevin.carter@rackspace.com>
86 lines
2.8 KiB
Python
86 lines
2.8 KiB
Python
#!/usr/bin/env python
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# Copyright 2016, Intel US, Inc.
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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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#
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# This script calls the cinder API and gathers the volume group capacity
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# information and outputs to Influx Protocol Line format
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from openstack import connection as os_conn
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OS_AUTH_ARGS = {
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'auth_url': '{{ keystone_service_internalurl }}',
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'project_name': '{{ keystone_admin_tenant_name }}',
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'user_domain_name': '{{ openrc_os_domain_name }}',
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'project_domain_name': '{{ openrc_os_domain_name }}',
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'username': '{{ keystone_admin_user_name }}',
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'password': '{{ keystone_auth_admin_password }}',
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}
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OS_CONNECTION = {'conn': None}
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def _connect():
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if OS_CONNECTION['conn']:
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return OS_CONNECTION['conn']
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else:
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OS_CONNECTION['conn'] = os_conn.Connection(**OS_AUTH_ARGS)
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return OS_CONNECTION['conn']
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def main():
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pool_data = dict()
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conn = _connect()
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url = conn.block_store.session.get_endpoint(
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interface='internal',
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service_type='volume'
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)
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block_store_data_raw = conn.block_store.session.get(
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url + '/scheduler-stats/get_pools?detail=True'
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)
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block_store_data = block_store_data_raw.json()
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total_capacity_gb = 0
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free_capacity_gb = 0
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for item in block_store_data.get('pools', []):
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name = item.get('name')
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if name:
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cap = item['capabilities']
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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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pool_name = cap.get('pool_name')
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if pool_name in pool_data:
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pool = pool_data[pool_name]
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else:
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pool = pool_data[pool_name] = dict()
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pool[name] = 100 * _free_capacity_gb / _total_capacity_gb
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free_capacity_gb += _free_capacity_gb
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total_capacity_gb += _total_capacity_gb
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finalized_data = dict()
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for key, value in pool_data.items():
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data = finalized_data['cinder,pool=%s' % key] = list()
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for k, v in value.items():
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data.append('%s=%s' % (k.replace(' ', '_'), v))
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for key, value in finalized_data.items():
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print('%s %s' % (key, ','.join(value)))
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tup = 100 * free_capacity_gb / total_capacity_gb
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totals = 'cinder_totals cinder_total_percent_used=%s' % tup
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print(totals)
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if __name__ == '__main__':
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main()
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