105 lines
3.3 KiB
Python
Executable File
105 lines
3.3 KiB
Python
Executable File
#!/usr/bin/env python
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# Copyright 2023 Google LLC
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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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'Manages metric descriptors for the DR metrics.'
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import collections
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import json
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import logging
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import urllib.parse
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import click
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import google.auth
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from google.auth.transport.requests import AuthorizedSession
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Descriptor = collections.namedtuple('Descriptor', 'name labels is_bool r_type',
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defaults=[True, 'global'])
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HTTPRequest = collections.namedtuple(
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'HTTPRequest', 'url data headers', defaults=[{}, {
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'content-type': 'application/json; charset=UTF-8'
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}])
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class Error(Exception):
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pass
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BASE = 'custom.googleapis.com/quota'
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HTTP = AuthorizedSession(google.auth.default()[0])
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def descriptors_get(project):
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base = urllib.parse.quote_plus(BASE)
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url = (f'https://content-monitoring.googleapis.com/v3/projects/{project}/'
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'metricDescriptors?filter=metric.type%20%3D%20starts_with'
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f'(%22{base}%22)')
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return HTTPRequest(url)
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def descriptor_delete(project, type):
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url = (f'https://monitoring.googleapis.com/v3/projects/{project}/'
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f'metricDescriptors/{type}')
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return HTTPRequest(url)
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def fetch(request, delete=False):
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'Minimal HTTP client interface for API calls.'
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# try
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logging.debug(f'fetch {"POST" if request.data else "GET"} {request.url}')
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try:
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if delete:
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response = HTTP.delete(request.url, headers=request.headers)
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elif not request.data:
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response = HTTP.get(request.url, headers=request.headers)
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else:
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response = HTTP.post(request.url, headers=request.headers,
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data=json.dumps(request.data))
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except google.auth.exceptions.RefreshError as e:
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raise SystemExit(e.args[0])
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if response.status_code != 200:
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logging.critical(
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f'response code {response.status_code} for URL {request.url}')
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logging.critical(response.content)
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logging.debug(request.data)
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raise Error('API error')
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return json.loads(response.content)
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@click.command()
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@click.argument('project')
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@click.option('--delete', default=False, is_flag=True,
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help='Delete descriptors.')
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@click.option('--dry-run', default=False, is_flag=True,
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help='Show but to not perform actions.')
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def main(project, delete=False, dry_run=False):
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'Program entry point.'
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logging.basicConfig(level=logging.INFO)
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logging.info(f'getting descriptors for "{BASE}"')
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response = fetch(descriptors_get(project))
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existing = [d['type'] for d in response.get('metricDescriptors', [])]
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logging.info(f'{len(existing)} descriptors')
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if delete:
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for name in existing:
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logging.info(f'deleting descriptor {name}')
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if not dry_run:
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try:
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fetch(descriptor_delete(project, name), delete=True)
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except Error:
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logging.critical(f'error deleting descriptor {name}')
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if __name__ == '__main__':
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main()
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