[bn] Adding example/job files in bn version

content/bn/examples/application/job/cronjob.yaml

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+apiVersion: batch/v1
+kind: CronJob
+metadata:
+  name: hello
+spec:
+  schedule: "* * * * *"
+  jobTemplate:
+    spec:
+      template:
+        spec:
+          containers:
+          - name: hello
+            image: busybox:1.28
+            imagePullPolicy: IfNotPresent
+            command:
+            - /bin/sh
+            - -c
+            - date; echo Hello from the Kubernetes cluster
+          restartPolicy: OnFailure

content/bn/examples/application/job/indexed-job-vol.yaml

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+apiVersion: batch/v1
+kind: Job
+metadata:
+  name: 'indexed-job'
+spec:
+  completions: 5
+  parallelism: 3
+  completionMode: Indexed
+  template:
+    spec:
+      restartPolicy: Never
+      containers:
+      - name: 'worker'
+        image: 'docker.io/library/busybox'
+        command:
+        - "rev"
+        - "/input/data.txt"
+        volumeMounts:
+        - mountPath: /input
+          name: input
+      volumes:
+      - name: input
+        downwardAPI:
+          items:
+          - path: "data.txt"
+            fieldRef:
+              fieldPath: metadata.annotations['batch.kubernetes.io/job-completion-index']

content/bn/examples/application/job/indexed-job.yaml

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+apiVersion: batch/v1
+kind: Job
+metadata:
+  name: 'indexed-job'
+spec:
+  completions: 5
+  parallelism: 3
+  completionMode: Indexed
+  template:
+    spec:
+      restartPolicy: Never
+      initContainers:
+      - name: 'input'
+        image: 'docker.io/library/bash'
+        command:
+        - "bash"
+        - "-c"
+        - |
+          items=(foo bar baz qux xyz)
+          echo ${items[$JOB_COMPLETION_INDEX]} > /input/data.txt
+        volumeMounts:
+        - mountPath: /input
+          name: input
+      containers:
+      - name: 'worker'
+        image: 'docker.io/library/busybox'
+        command:
+        - "rev"
+        - "/input/data.txt"
+        volumeMounts:
+        - mountPath: /input
+          name: input
+      volumes:
+      - name: input
+        emptyDir: {}

content/bn/examples/application/job/job-sidecar.yaml

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+apiVersion: batch/v1
+kind: Job
+metadata:
+  name: myjob
+spec:
+  template:
+    spec:
+      containers:
+        - name: myjob
+          image: alpine:latest
+          command: ['sh', '-c', 'echo "logging" > /opt/logs.txt']
+          volumeMounts:
+            - name: data
+              mountPath: /opt
+      initContainers:
+        - name: logshipper
+          image: alpine:latest
+          restartPolicy: Always
+          command: ['sh', '-c', 'tail -F /opt/logs.txt']
+          volumeMounts:
+            - name: data
+              mountPath: /opt
+      restartPolicy: Never
+      volumes:
+        - name: data
+          emptyDir: {}

content/bn/examples/application/job/job-tmpl.yaml

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+apiVersion: batch/v1
+kind: Job
+metadata:
+  name: process-item-$ITEM
+  labels:
+    jobgroup: jobexample
+spec:
+  template:
+    metadata:
+      name: jobexample
+      labels:
+        jobgroup: jobexample
+    spec:
+      containers:
+      - name: c
+        image: busybox:1.28
+        command: ["sh", "-c", "echo Processing item $ITEM && sleep 5"]
+      restartPolicy: Never