GraphQL/httpd-test.yaml at main · dyapas/GraphQL · GitHub

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#####################################################################
# PVC: RWX (ReadWriteMany)
#####################################################################
apiVersion: v1
kind: PersistentVolumeClaim
metadata:
  name: html-rwx-pvc
spec:
  accessModes:
    - ReadWriteMany
  resources:
    requests:
      storage: 1Gi
  storageClassName: ocs-storagecluster-cephfs
---
#####################################################################
# PVC: RWO (ReadWriteOnce)
#####################################################################
apiVersion: v1
kind: PersistentVolumeClaim
metadata:
  name: html-rwo-pvc
spec:
  accessModes:
    - ReadWriteOnce
  resources:
    requests:
      storage: 1Gi
  storageClassName: ocs-storagecluster-rbd
---
#####################################################################
# CONFIGMAP: HTML Template + File Write Script
#####################################################################
apiVersion: v1
kind: ConfigMap
metadata:
  name: html-template-and-scripts
data:
  index.html.template: |
    <html>
      <head><title>Storage Migration Test App</title></head>
      <body>
        <h1>Storage Migration Test App</h1>
        <p><b>Pod Name:</b> $POD_NAME</p>
        <p><b>Pod IP:</b> $POD_IP</p>
        <p><b>Hostname:</b> $HOSTNAME</p>
        <p><b>Node Name:</b> $NODE_NAME</p>
        <p><b>Storage Mode:</b> PVC mounted at /opt/app-root/src/html</p>
        <hr>
        <p>Test files generated under: <b>/opt/app-root/src/html/test-data</b></p>
      </body>
    </html>

  write_test_files.sh: |
    #!/bin/sh
    HTML_DIR=/opt/app-root/src/html
    mkdir -p $HTML_DIR/test-data

    # Initial unique file per pod
    FILE="$HTML_DIR/test-data/file-$POD_NAME.txt"
    echo "Pod: $POD_NAME" > $FILE
    echo "Hostname: $HOSTNAME" >> $FILE
    echo "Pod IP: $POD_IP" >> $FILE
    echo "Node: $NODE_NAME" >> $FILE
    date >> $FILE
    chmod 664 $FILE

    # Generate HTML with env vars substituted
    envsubst < $HTML_DIR/index.html.template > $HTML_DIR/index.html

    # Periodic file generation loop (every 30 seconds)
    while true; do
      NEWFILE="$HTML_DIR/test-data/file-$POD_NAME-$(date +%s).txt"
      echo "Periodic file from pod $POD_NAME at $(date)" > $NEWFILE
      chmod 664 $NEWFILE
      sleep 30
    done
---
#####################################################################
# DEPLOYMENT (change replicas + claimName for RWX/RWO testing)
#####################################################################
apiVersion: apps/v1
kind: Deployment
metadata:
  name: storage-migration-test-app
spec:
  replicas: 3       # For RWX → 3+, For RWO → 1
  selector:
    matchLabels:
      app: storage-migration-test-app
  template:
    metadata:
      labels:
        app: storage-migration-test-app
    spec:
      containers:
      - name: python-app
        image: your-python-app-image:latest
        ports:
        - containerPort: 8080
        env:
          - name: POD_NAME
            valueFrom:
              fieldRef:
                fieldPath: metadata.name
          - name: POD_IP
            valueFrom:
              fieldRef:
                fieldPath: status.podIP
          - name: HOSTNAME
            valueFrom:
              fieldRef:
                fieldPath: metadata.name
          - name: NODE_NAME
            valueFrom:
              fieldRef:
                fieldPath: spec.nodeName
        command: ["/bin/sh", "-c"]
        args:
          - chmod +x /tmp/write_test_files.sh && /tmp/write_test_files.sh & exec python app.py
        volumeMounts:
          - name: html
            mountPath: /opt/app-root/src/html
          - name: html-config
            mountPath: /opt/app-root/src/html/index.html.template
            subPath: index.html.template
          - name: html-config
            mountPath: /tmp/write_test_files.sh
            subPath: write_test_files.sh

      volumes:
        - name: html
          persistentVolumeClaim:
            # RWX → html-rwx-pvc
            # RWO → html-rwo-pvc
            claimName: html-rwx-pvc

        - name: html-config
          configMap:
            name: html-template-and-scripts
---
#####################################################################
# SERVICE
#####################################################################
apiVersion: v1
kind: Service
metadata:
  name: storage-migration-test-service
spec:
  selector:
    app: storage-migration-test-app
  ports:
    - protocol: TCP
      port: 8080
      targetPort: 8080
---
#####################################################################
# ROUTE
#####################################################################
apiVersion: route.openshift.io/v1
kind: Route
metadata:
  name: storage-migration-test-route
spec:
  to:
    kind: Service
    name: storage-migration-test-service
  port:
    targetPort: 8080