[FLINK-30577] OpenShift FlinkSessionJob artifact write error on non-default namespaces

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: kubernetes-operator-1.3.0
• Fix Version/s: kubernetes-operator-1.4.0
• Component/s: Kubernetes Operator
• Labels: pull-request-available
• Assignee: Tony Garrard
• Reporter: James Busche
• Created: 05/Jan/23 20:45
• Updated: 30/Jan/23 09:06
• Resolved: 30/Jan/23 09:06

Description

tagarr has pointed out an issue with using the /opt/flink/artifacts filesystem on OpenShift in non-default namespaces. The OpenShift permissions don't allow write to /opt.
```
org.apache.flink.util.FlinkRuntimeException: Failed to create the dir: /opt/flink/artifacts/jim/basic-session-deployment-only-example/basic-session-job-only-example
```
A few ways to solve the problem are:
1. Remove the comment on line 34 here in flink-conf.yaml and change it to: /tmp/flink/artifacts

2. Append this after line 143 here in values.yaml:
kubernetes.operator.user.artifacts.base.dir: /tmp/flink/artifacts

3. Changing it in line 142 of KubernetesOperatorConfigOptions.java like this:
.defaultValue("/tmp/flink/artifacts")
and then rebuilding the operator image.

Issue Links

• links to: GitHub Pull Request #510