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openfoam_project/openfoam/run/grafana.py

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2022-01-26 17:54:27 +01:00
from datetime import timedelta
from datetime import datetime
import logging
import urllib.request
import urllib.parse
import json
log = logging.getLogger('grafana')
class Silencer():
def __init__(self, url, apikey):
self._url = url
self._apikey = apikey
def silence_alert(self):
with urllib.request.urlopen(
urllib.request.Request(
urllib.parse.urljoin(
self._url,
'api/alertmanager/grafana/api/v2/silences',
),
headers={
'Authorization':
f'Bearer {self._apikey}',
},
),
data=bytes(json.dumps({
"comment": "Openfoam run",
"createdBy": "Python OpenFoam run",
"endsAt": (datetime.utcnow() \
+ timedelta(days=1)).isoformat(),
"matchers": [
{
"isEqual": True,
"isRegex": False,
"name": "alertname",
"value": "CPU Usage"
}
],
"startsAt": datetime.utcnow().isoformat()
}), 'utf-8')) as api_req:
api_res = api_req.read()
self._alertid = json.loads(api_res)['id']
log.info(f'Grafana alerts silenced (id: {self._alertid})')
def unsilence_alert(self):
input()
with urllib.request.urlopen(
urllib.request.Request(
urllib.parse.urljoin(
self._url,
'api/alertmanager/grafana/api/v2/silence/'
f'{self._alertid}',
),
headers={
'Authorization':
f'Bearer {self._apikey}',
},
method='DELETE')):
log.info(f'Grafana silence (id: {self._alertid}) deleted')