gyfora opened a new pull request, #302:
URL: https://github.com/apache/flink-kubernetes-operator/pull/302
Clean up and formalize operator metric scopes:
- `system`: Operator level metrics
- `namespace`: Resource Namespace level metrics (belonging to one of the
watched namespaces)
- `resource` : Resource level metrics
Before:
```
hostname.k8soperator.default.flink-kubernetes-operator.Status.JVM.Memory.Mapped.MemoryUsed:
0
hostname.k8soperator.default.flink-kubernetes-operator.resourcens.default.FlinkDeployment.DEPLOYING.Count:
0
```
After:
```
hostname.k8soperator.default.flink-kubernetes-operator.system.Status.JVM.Memory.Mapped.MemoryUsed:
0
hostname.k8soperator.default.flink-kubernetes-operator.namespace.default.FlinkDeployment.DEPLOYING.Count:
0
```
One given metric called `Metric` in the 3 scopes:
```
<prefix>.system.Metric
<prefix>.namespace.resourceNs.Metric
<prefix>.resource.resoureNs.resourceName.Metric
```
As an addition based on this work, this PR also includes a minimalistic
integration with the JOSDK built in metrics:
sample output
```
hostname.k8soperator.default.flink-kubernetes-operator.resource.default.basic-example.JOSDK.Reconciliation.finished.Count:
4
hostname.k8soperator.default.flink-kubernetes-operator.resource.default.basic-example.JOSDK.Reconciliation.started.Count:
4
hostname.k8soperator.default.flink-kubernetes-operator.resource.default.basic-example.JOSDK.Resource.Event.Count:
5
hostname.k8soperator.default.flink-kubernetes-operator.resource.default.basic-example.JOSDK.Resource.Event.ADDED.Count:
2
hostname.k8soperator.default.flink-kubernetes-operator.resource.default.basic-example.JOSDK.Resource.Event.DELETED.Count:
1
hostname.k8soperator.default.flink-kubernetes-operator.resource.default.basic-example.JOSDK.Resource.Event.UPDATED.Count:
2
```
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