59 lines
1.8 KiB
Python
59 lines
1.8 KiB
Python
# Copyright 2023 - NetCracker Technology Corp.
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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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import prometheus_client
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from prometheus_client import Gauge
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from oslo_log import log as logging
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LOG = logging.getLogger(__name__)
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_GRAPH = {}
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def format_to_prometheus(metrics_list):
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for metric in metrics_list:
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metric_tags = metric['tags']
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metric_name = metric_tags.get('name')
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if not metric_name:
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LOG.error('Unable to parse metric')
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continue
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metric_labels = metric_tags.get('labels')
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metric_fields = metric['fields']
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metric_value = metric_fields['value']
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metric_label_values = {
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label: metric_fields[label]
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for label in metric_labels if label != 'namespace'
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}
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if 'namespace' in metric_labels:
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metric_label_values['namespace'] = metric_tags.get('namespace')
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if not _GRAPH.get(metric_name):
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_GRAPH[metric_name] = Gauge(
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metric_name,
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metric_tags.get('description'),
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metric_labels
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)
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_GRAPH[metric_name].labels(**metric_label_values).set(metric_value)
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res = []
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for key in _GRAPH:
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res.append(prometheus_client.generate_latest(_GRAPH[key]))
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return res
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