Description of problem:
There is no PDB for alertmanager, but at the same time there are multiple events about `prometheus-user-workload` PDB being created.
Version-Release number of selected component (if applicable): 4.8
Steps to Reproduce:
1. Start a cluster
2. Check events in openshift-user-workload-monitoring namespace
3. Check PDBs in openshift-monitoring namespace
There are events about `prometheus-user-workload` PDB and no alertmanager PDB
There are no events about `prometheus-user-workload` PDB and there is an alertmanager PDB
Slack thread: https://coreos.slack.com/archives/C0VMT03S5/p1622558281233500
waiting for the fix merged to payload
Test with payload 4.8.0-0.nightly-2021-06-02-025513
PDB alertmanager-main exists and no event about prometheus-user-workload
$ oc get pdb -n openshift-monitoring
NAME MIN AVAILABLE MAX UNAVAILABLE ALLOWED DISRUPTIONS AGE
alertmanager-main N/A 1 1 27m
prometheus-adapter 1 N/A 1 25m
prometheus-k8s 1 N/A 1 25m
$ oc get event |grep poddisruptionbudget/prometheus-user-workload
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.
For information on the advisory (Moderate: OpenShift Container Platform 4.8.2 bug fix and security update), and where to find the updated
files, follow the link below.
If the solution does not work for you, open a new bug report.