Add Helm Operator for OpenJ9 JITServer

helm-operator/openj9-jitserver-operator/README.md

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+# JITServer Operator 
+
+## Installation and deployment
+
+### Requirements
+- `kubectl` installed
+- A running kubernetes cluster
+
+### Installation
+You can install the JITServer Operator into a Kubernetes cluster via `kubectl` commands.
+
+- Deploy the operator:
+
+  ```
+  kubectl apply -f deploy.yaml
+  ```
+
+- Verify the operator is running:
+
+  ```
+  kubectl get deployment -n jitserver-operator-system | grep jitserver-operator
+
+  jitserver-operator-controller-manager   1/1     1            1           11s
+  ```
+
+  ```
+  kubectl get pods -n jitserver-operator-system | grep jitserver-operator
+
+  jitserver-operator-controller-manager-7dc5df6d68-g62kr   2/2     Running   0          48s
+  ```
+
+- Deploy the Custom Resource:
+
+  ```
+  kubectl apply -f charts_v1alpha1_openj9jitserverchart.yaml
+  ```
+
+- Verify the Custom Resource is running:
+
+  ```
+  kubectl get deployment | grep openj9jitserverchart
+
+  openj9jitserverchart-sample-openj9-jitserver-chart   1/1     1            1           13s
+  ```
+
+  ```
+  kubectl get pods | grep openj9jitserverchart
+
+  openj9jitserverchart-sample-openj9-jitserver-chart-5d5696fcz626   1/1     Running   0          54s
+  ```
+
+- Issue a sample query to the Custom Resource:
+
+  ```
+  export POD_NAME=$(kubectl get pod --namespace default -o jsonpath="{..metadata.name}" | grep openj9jitserverchart-sample-openj9-jitserver-chart)
+  kubectl exec $POD_NAME -i -t -- java -version
+
+  openjdk version "1.8.0_322"
+  IBM Semeru Runtime Open Edition (build 1.8.0_322-b06)
+  Eclipse OpenJ9 VM (build openj9-0.30.0, JRE 1.8.0 Linux amd64-64-Bit Compressed References 20220128_306 (JIT enabled, AOT enabled)
+  OpenJ9   - 9dccbe076
+  OMR      - dac962a28
+  JCL      - c1d9a7af7c based on jdk8u322-b06)
+  ```
+
+### Uninstallation
+- Clean up the Custom Resource:
+  ```
+  kubectl delete -f charts_v1alpha1_openj9jitserverchart.yaml
+  ```
+
+- Delete the operator:
+  ```
+  kubectl delete -f deploy.yaml
+  ```
+

helm-operator/openj9-jitserver-operator/charts_v1alpha1_openj9jitserverchart.yaml

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+apiVersion: charts.rouagarw/v1alpha1
+kind: Openj9JitserverChart
+metadata:
+  name: openj9jitserverchart-sample
+spec:
+  # Default values copied from <project_dir>/helm-charts/openj9-jitserver-chart/values.yaml
+  affinity:
+    nodeAffinity:
+      requiredDuringSchedulingIgnoredDuringExecution:
+        nodeSelectorTerms:
+        - matchExpressions:
+          - key: beta.kubernetes.io/arch
+            operator: In
+            values:
+            - amd64
+            - ppc64le
+            - s390x
+  env:
+  - name: OPENJ9_JAVA_OPTIONS
+    value: ""
+  fullnameOverride: ""
+  image:
+    pullPolicy: IfNotPresent
+    repository: ibm-semeru-runtimes
+    tag: open-8u322-b06-jre
+  imagePullSecrets: []
+  nameOverride: ""
+  nodeSelector: {}
+  podSecurityContext: {}
+  replicaCount: 1
+  resources:
+    limits:
+      cpu: 2
+      memory: 4Gi
+    requests:
+      cpu: 1
+      memory: 512Mi
+  securityContext:
+    allowPrivilegeEscalation: false
+    capabilities:
+      drop:
+      - ALL
+    privileged: false
+    readOnlyRootFilesystem: false
+    runAsNonRoot: true
+    runAsUser: 1001
+  service:
+    port: 38400
+    sessionAffinity: ClientIP
+    type: ClusterIP
+  serviceAccount:
+    annotations: {}
+    create: true
+    name: null
+  tolerations: []
+