Bug 1957646

Summary: thanos-ruler pods failed to start up for "cannot unmarshal DNS message"
Product: OpenShift Container Platform Reporter: OpenShift BugZilla Robot <openshift-bugzilla-robot>
Component: MonitoringAssignee: Simon Pasquier <spasquie>
Status: CLOSED ERRATA QA Contact: Junqi Zhao <juzhao>
Severity: high Docs Contact:
Priority: high    
Version: 4.8CC: alegrand, anpicker, aos-bugs, erooth, kakkoyun, lcosic, pkrupa, spasquie, wking
Target Milestone: ---Keywords: Regression
Target Release: 4.7.z   
Hardware: Unspecified   
OS: Unspecified   
Whiteboard:
Fixed In Version: Doc Type: No Doc Update
Doc Text:
Story Points: ---
Clone Of:
: 1961158 (view as bug list) Environment:
Last Closed: 2021-05-19 15:17:15 UTC Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:
Bug Depends On: 1953518    
Bug Blocks: 1961158    

Comment 3 Junqi Zhao 2021-05-07 08:29:32 UTC 
issue is fixed with 4.7.0-0.nightly-2021-05-07-004616
# oc -n openshift-user-workload-monitoring get po --show-labels
NAME                                  READY   STATUS    RESTARTS   AGE    LABELS
prometheus-operator-8d4d69888-fc8k9   2/2     Running   0          3m8s   app.kubernetes.io/component=controller,app.kubernetes.io/name=prometheus-operator,app.kubernetes.io/version=v0.44.1,pod-template-hash=8d4d69888
prometheus-user-workload-0            5/5     Running   1          3m4s   app=prometheus,controller-revision-hash=prometheus-user-workload-99c9d5494,operator.prometheus.io/name=user-workload,operator.prometheus.io/shard=0,prometheus=user-workload,statefulset.kubernetes.io/pod-name=prometheus-user-workload-0
prometheus-user-workload-1            5/5     Running   1          3m4s   app=prometheus,controller-revision-hash=prometheus-user-workload-99c9d5494,operator.prometheus.io/name=user-workload,operator.prometheus.io/shard=0,prometheus=user-workload,statefulset.kubernetes.io/pod-name=prometheus-user-workload-1
thanos-ruler-user-workload-0          3/3     Running   0          3m1s   app=thanos-ruler,controller-revision-hash=thanos-ruler-user-workload-7bbdf8c4,statefulset.kubernetes.io/pod-name=thanos-ruler-user-workload-0,thanos-ruler=user-workload
thanos-ruler-user-workload-1          3/3     Running   0          3m1s   app=thanos-ruler,controller-revision-hash=thanos-ruler-user-workload-7bbdf8c4,statefulset.kubernetes.io/pod-name=thanos-ruler-user-workload-1,thanos-ruler=user-workload
Comment 6 errata-xmlrpc 2021-05-19 15:17:15 UTC 
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 (OpenShift Container Platform 4.7.11 bug fix 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.

https://access.redhat.com/errata/RHBA-2021:1550