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Generate silence url for prom alertmanager alerts

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This commit is contained in:
Abel Luck 2024-07-18 16:44:20 +02:00
parent 63b351771a
commit 301c3220f5
2 changed files with 8 additions and 0 deletions
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6
ops_bot/alertmanager.py
View file

@ -29,7 +29,9 @@ def prometheus_alert_to_markdown(
ignore_labels = ["grafana_folder"] ignore_labels = ["grafana_folder"]
logging.debug(f"alertmanager payload: {alert_data}") logging.debug(f"alertmanager payload: {alert_data}")
externalURL = alert_data.get("externalURL")
for alert in alert_data["alerts"]: for alert in alert_data["alerts"]:
alertname = alert["labels"]["alertname"]
title = alert["labels"]["alertname"] title = alert["labels"]["alertname"]
summary = alert["annotations"].get("summary") summary = alert["annotations"].get("summary")
description = alert["annotations"].get("description") description = alert["annotations"].get("description")
@ -70,6 +72,10 @@ def prometheus_alert_to_markdown(
dashboardURL = alert.get("dashboardURL") dashboardURL = alert.get("dashboardURL")
silenceURL = alert.get("silenceURL") silenceURL = alert.get("silenceURL")
actions = [] actions = []
if not silenceURL and externalURL:
silence_filter = f"alertname%3D%22{alertname}%22"
silence_filter = "{" + silence_filter + "}"
silenceURL = f"{externalURL}/#/silences/new?filter={silence_filter}"
if silenceURL: if silenceURL:
actions.append(f"[🔕 Mute]({silenceURL})") actions.append(f"[🔕 Mute]({silenceURL})")
if runbookURL: if runbookURL:

2
tests/test_alertmanager.py
View file

@ -69,4 +69,6 @@ def test_alertmanager():
and "webserver.example.com" in formatted and "webserver.example.com" in formatted
and "Instance webserver.example.com down" in formatted and "Instance webserver.example.com down" in formatted
and "critical" in formatted and "critical" in formatted
and "https://alert.example/#/silences/new?filter={alertname%3D%22InstanceDown%22}"
in formatted
) )