Hi All,
Please could someone check that the expression Im using below will actually
show a missing SSL Cert ? I can't find a documented way of checking for a
missing cert only expiring etc:
- alert: Alerts on missing Cert
* expr:
absent(probe_ssl_earliest_cert_expiry{instance!="www.bulkblacklist.com
<http://www.bulkblacklist.com/>"})*
for: 10m
labels:
severity: warning
title: SSL Cert Could Not Be Found
annotations:
description: The SSL cert for {{$labels.instance}} could not be found.
Any help appreciated, the other two rules I have work:
Full Rule I have:
groups:
- name: hcs.ssl_expiry.alerts.rules
rules:
- alert: SSL Cert Expiring Soon
expr: probe_ssl_earliest_cert_expiry{instance!="www.bulkblacklist.com"}
- time() < 86400 * 30
for: 10m
labels:
severity: warning
title: SSL Cert Expiring Soon
annotations:
description: The SSL cert for {{$labels.instance}} will expire in the
next 30 days.
- alert: Alerts on missing Cert
expr: absent(probe_ssl_earliest_cert_expiry{instance!="
www.bulkblacklist.com"})
for: 10m
labels:
severity: warning
title: SSL Cert Could Not Be Found
annotations:
description: The SSL cert for {{$labels.instance}} could not be found.
- alert: SSL Cert Expiring in the next 10 days.
expr: probe_ssl_earliest_cert_expiry{instance!="www.bulkblacklist.com"}
- time() < 86400 * 10
for: 10m
labels:
severity: critical
title: SSL Cert Expiring in the next 10 days.
annotations:
description: The SSL cert for {{$labels.instance}} will expire in the
next 10 days.
Many Thanks
Andrew Lebbon
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