Kubernetes Ordinal Statefulset members

gistfile1.txt

apiVersion: v1
kind: Service
metadata:
  name: ordinal-test
  labels:
    name: ordinal-test
spec:
  clusterIP: None
  ports:
  - name: http-metrics
    port: 8080
    targetPort: http-metrics
    protocol: TCP
  selector:
    name: ordinal-test
---
apiVersion: apps/v1
kind: StatefulSet
metadata:
  name: ordinal-test
spec:
  serviceName: ordinal-test
  selector:
    matchLabels:
      name: ordinal-test
  replicas: 2
  template:
    metadata:
      labels:
        name: ordinal-test
    spec:
      containers:
      - name: alpine
        image: alpine
        command:
        - sh
        - -c
        - |
          while true
          do
          echo "length: ${REPLICAS}; index: ${POD_NAME#"ordinal-test-"}"
          sleep 1
          done
        env:
        - name: POD_NAME
          valueFrom:
            fieldRef:
              fieldPath: metadata.name
        - name: REPLICAS
          value: "2"