Cannot update the password of PMM via Secret

Percona Monitoring and Management (PMM) PMM 2.x
1

Description:

Currently, the helm chart of PMM is setting a password for Grafana via a Secret. Please see below code.

Once the PMM Server get started successfully, I changed the password in a Secret for Grafana, and I restarted the PMM Server Pod to apply it.

But seems the new password was not applied to Grafana as it still succeeded to login to Grafana with old password. :frowning:

Steps to Reproduce:

  1. Install the PMM Chart with some password.
  2. Once the PMM Server get started, change the Secret that contains a password with new password.
  3. Restart the PMM Server Pod to make it get a new password.
  4. Check if you can access the Grafana with new password.

Version:

v2.40.1

Logs:

There is no specific logs but you can see the issue with the above reproduction steps.

Expected Result:

The PMM Server POD should run with new password.

Actual Result:

The PMM Server POD is still using the old password so that I cannot access it with new password.

Additional Information:

Seems there is a related issue at the Grafana side: Changed Environment Variables do not get picked up in Grafana even though the `env` command has the updated values · Issue #49055 · grafana/grafana · GitHub