Grypse opened a new pull request, #357:
URL: https://github.com/apache/flink-kubernetes-operator/pull/357
## What is the purpose of the change
This pull request make an improvement for standalone mode to use StatefulSet
instead of Deployment to deploy JM and TM to support mount a
dynamically-created PersistentVolumeClaim.
## Brief change log
- Use StatefulSet to instead of Deployment to depoly JM and TM
- Introduce StandaloneKubernetesJobManagerSpecification to encapsulate JM
specification info
- Add volumeClaimTemplates for JobManagerSpec and TaskManagerSpec
- Add JOB_MANAGER_PVC_TEMPLATE and TASK_MANAGER_PVC_TEMPLATE ConfigOption
to set jobmanager and taskmanager pvc template file separately.
- Modify obersving logical for JM and TM StatefulSet.
- Add statefulset rbac.
- Modify docs/content/docs/custom-resource/reference.md to describe
volumeClaimTemplates settings.
- Add standalone cluster example with pvc settings.
## Verifying this change
This change is already covered by existing tests, such as .
- Modified Fabric8FlinkStandaloneKubeClientTest to adapt StatefulSet
creating test.
- Modified KubernetesStandaloneClusterDescriptorTest to adapt StatefulSet
to test standalone cluster deploying
- Modified StandaloneFlinkServiceTest to adapt StatefulSet to test
StandaloneFlinkService to deploy standalone cluster.
- Modified StandaloneKubernetesJobManagerFactoryTest to adapt StatefulSet
to test jobmanager spec.
- Modified StandaloneKubernetesTaskManagerFactoryTest to adapt StatefulSet
to test taskmanager spec
This change added tests and can be verified as follows:
- Added TestUtils.buildStandaloneSessionCluster() and
TestUtils.buildStandaloneApplicationCluster() for standalone cluster tests.
- Added SessionObserverTest.observeStandaloneSessionCluster to verify
standalone session cluster observing logical
## Does this pull request potentially affect one of the following parts:
- Dependencies (does it add or upgrade a dependency): ( no)
- The public API, i.e., is any changes to the `CustomResourceDescriptors`:
(yes )
- Core observer or reconciler logic that is regularly executed: (yes )
## Documentation
- Does this pull request introduce a new feature? (yes )
- If yes, how is the feature documented? (docs )
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