Hawkular metrics pods fail or unready due to incorrect image version

Issue

Hawkular-cassandra and hawkular-metrics pod shows either status Running, Error or CrashLoopBackOff and is unready. This can happen in one cluster, or simultaneously in a few different OpenShift clusters as seen below:

[root@server1 ~]# oc get pod
NAME                            READY     STATUS             RESTARTS   AGE
hawkular-cassandra-1-cwg6p      0/1       CrashLoopBackOff   33         2h
hawkular-metrics-k78t7          0/1       Running            865        5d
hawkular-metrics-schema-tw6kh   0/1       Completed          0          11d
heapster-tbkt9                  0/1       Running            867        5d

[root@server2 ~]# oc get pod
NAME                            READY     STATUS             RESTARTS   AGE
hawkular-cassandra-1-82gpn      0/1       CrashLoopBackOff   928        12d
hawkular-metrics-cqgr5          0/1       Running            526        12d
hawkular-metrics-schema-7kw4z   0/1       Completed          0          12d
heapster-lpsfm                  0/1       Running            523        12d

[root@server3 ~]# oc get pod
NAME                            READY     STATUS      RESTARTS   AGE
hawkular-cassandra-1-gtjzr      0/1       Error       927        14d
hawkular-metrics-schema-5zjs6   0/1       Completed   0          14d
hawkular-metrics-sprtv          0/1       Running     532        14d
heapster-vhh6g                  0/1       Running     523        14d

Pod logs may show permissions errors:

sed: cannot rename /opt/apache-cassandra/conf/sed6b3JJH: Operation not permitted
sed: cannot rename /opt/apache-cassandra/conf/sedIBVSPF: Operation not permitted
sed: cannot rename /opt/apache-cassandra/conf/sedQyRWxG: Operation not permitted
sed: cannot rename /opt/apache-cassandra/conf/sedtayTwJ: Operation not permitted
sed: cannot rename /opt/apache-cassandra/conf/sedWAzVmK: Operation not permitted
sed: cannot rename /opt/apache-cassandra/conf/sedun6iVJ: Operation not permitted
sed: cannot rename /opt/apache-cassandra/conf/sed0lEnoI: Operation not permitted
sed: cannot rename /opt/apache-cassandra/conf/sed4LogeJ: Operation not permitted
sed: cannot rename /opt/apache-cassandra/conf/sedfEYpVI: Operation not permitted

Pod logs show a schema error:

2019-06-20 02:04:55,466 INFO  [org.hawkular.metrics.api.jaxrs.util.SchemaVersionChecker] (metricsservice-lifecycle-thread) Trying again in 10000 ms
2019-06-20 02:05:05,470 INFO  [org.hawkular.metrics.api.jaxrs.util.SchemaVersionChecker] (metricsservice-lifecycle-thread) Version check failed: Keyspace hawkular_metrics does not exist