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#!/usr/bin/python3 |
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# Copyright 2016 Mirantis, Inc. |
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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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# |
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|
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import sys |
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import glob |
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import os |
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import json |
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|
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|
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def usage(): |
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h = """ |
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Format and sanitize Grafana dashboards |
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|
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Usage: {} <DIRECTORY|FILE> |
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The program will: |
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* Sort keys alphabetically. |
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* Remove sections: |
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templating.list[].current |
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templating.list[].options |
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* Override the time entry to {{"from": "now-1h","to": "now"}} |
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* Enable the sharedCrosshair tooltip |
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* Increment the version number |
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|
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WARNING: this script modifies directly the given file(s). |
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|
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If a DIRECTORY is provided, all files with suffix '.json' are modified. |
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""" |
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print(h.format(sys.argv[0])) |
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|
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if len(sys.argv) != 2: |
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usage() |
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sys.exit(1) |
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arg = sys.argv[1] |
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|
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if os.path.isdir(arg): |
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path = "{}/*.json".format(arg) |
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elif os.path.isfile(arg): |
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path = arg |
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else: |
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print("'{}' no such file or directory".format(arg)) |
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usage() |
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sys.exit(1) |
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|
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for f in glob.glob(path): |
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data = None |
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absf = os.path.abspath(f) |
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with open(absf) as out: |
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data = json.load(out) |
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for k, v in data.items(): |
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if k == 'annotations': |
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for anno in v.get('list', []): |
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anno['datasource'] = 'lma' |
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|
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if k == 'templating': |
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variables = v.get('list', []) |
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for o in variables: |
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if o['type'] == 'query': |
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o['options'] = [] |
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o['current'] = {} |
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o['refresh_on_load'] = True |
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data['time'] = {'from': 'now-1h', 'to': 'now'} |
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data['sharedCrosshair'] = True |
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data['refresh'] = '1m' |
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data['id'] = None |
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|
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if data.get('version', None): |
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data['version'] = data['version'] + 1 |
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else: |
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data['version'] = 1 |
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with open(absf, 'w') as out: |
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out.write(json.dumps(data, indent=2, sort_keys=True)) |
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