Bug 1539382
| Summary: | The metrics_cassandra_pvc was changed when redeploy metrics | ||
|---|---|---|---|
| Product: | OpenShift Container Platform | Reporter: | Anping Li <anli> |
| Component: | Cluster Version Operator | Assignee: | ewolinet |
| Status: | CLOSED ERRATA | QA Contact: | Junqi Zhao <juzhao> |
| Severity: | high | Docs Contact: | |
| Priority: | high | ||
| Version: | 3.9.0 | CC: | aos-bugs, jokerman, juzhao, mmccomas, mwringe |
| Target Milestone: | --- | ||
| Target Release: | 3.9.0 | ||
| Hardware: | Unspecified | ||
| OS: | Unspecified | ||
| Whiteboard: | |||
| Fixed In Version: | Doc Type: | Bug Fix | |
| Doc Text: |
Cause: The default cassandra pvc prefix would default to the pv volume name.
Consequence: New pvcs were created when upgrading from older metrics installs.
Fix: We no longer change the prefix based on other variables.
Result: New pvcs are not created when upgrading from an older install.
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Story Points: | --- |
| Clone Of: | Environment: | ||
| Last Closed: | 2018-03-28 14:23:55 UTC | Type: | Bug |
| Regression: | --- | Mount Type: | --- |
| Documentation: | --- | CRM: | |
| Verified Versions: | Category: | --- | |
| oVirt Team: | --- | RHEL 7.3 requirements from Atomic Host: | |
| Cloudforms Team: | --- | Target Upstream Version: | |
| Embargoed: | |||
The default openshift_metrics_cassandra_pvc_prefix is metrics-cassandra now. But there is another defect BZ 1540851 was found ansible version ansible-3.9.0-0.34 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, 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-2018:0489 |
Description of problem: When redeploy metrics by re-run the metrics playbooks. The pvc name are changed from metrics-cassandra-1 to metrics-1. It may caused by the default value in openshift_facts/defaults/main.yml:openshift_metrics_storage_volume_name: 'metrics' openshift_facts/defaults/main.yml:openshift_metrics_storage_volume_name: 'metrics' openshift_metrics/defaults/main.yaml:openshift_metrics_cassandra_pvc_prefix: "{{ openshift_metrics_storage_volume_name | default('metrics-cassandra') }}" Version-Release number of the following components: openshift-ansible-3.9.0-0.31 How reproducible: always Steps to Reproduce: 1. Deploy Metrics with openshift-ansible-3.7.x 2. Redeploy metrics with openshift-ansible-3.9.0-0.31 3. Check the pvc used by cassandra pod # oc get pods hawkular-cassandra-1-jwn9b -o json |grep -A 1 persistentVolumeClaim "persistentVolumeClaim": { "claimName": "metrics-1" Actual results: hawkular-cassandra pod changed the pvc from metrics-cassandra-1 to metrics-1. [root@host-172-16-120-58 ~]# oc get pvc NAME STATUS VOLUME CAPACITY ACCESS MODES STORAGECLASS AGE metrics-1 Bound pvc-97d96125-0281-11e8-b8ae-fa163ee52e00 10Gi RWO standard 2d metrics-cassandra-1 Bound pvc-76a33773-0227-11e8-8e50-fa163ee52e00 10Gi RWO standard 2d Expected results: hawkular-cassandra pod should use the the prior metrics-cassandra-1 Additional info: