fix: simplify alert manager configuration to only require receivers
Description
Fixes the default Alert Manager config to make it simpler to set up a receiver and disables notifications for info alerts.
Without these, it's possible to flood an inbox with nothing really being wrong in the cluster.
Supporting information
https://tasks.opencraft.com/browse/SE-5475
Testing instructions
- The changes have been deployed to the grove-stage-digitalocean repo. They can be viewed by going to the alert manager page https://alert-manager.staging.do.opencraft.hosting/#/status.
- Emails have been sent to the ops@ mailing list. Verify that they have been sent from
grove-stage-digitalocean--- via Ops
.
Checklist
If any of the items below is not applicable, do not remove them, but put a check in it.
-
All providers include the new feature/change -
All affected providers can provision new clusters -
Unit tests are added/updated -
Documentation is added/updated -
The TOOLS_CONTAINER_IMAGE_VERSION
in ci_vars.yml is updated -
The grove-template repository is updated
Additional context
Once approved, I'll add the settings to the CI/CD. The settings differ from what would be production settings in that the repeat_interval
is 8h instead of 1m.
Edited by Keith Grootboom