kubernetes-in-action-2nd-edition/Chapter11/pods.quote-with-hostname-subdomain.yaml at master · luksa/kubernetes-in-action-2nd-edition · GitHub

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# nslookup quote1-hostname.quote-headless
apiVersion: v1
kind: Pod
metadata:
  name: quote1-with-hostname
  labels:
    app: quote
    rel: stable
spec:
  hostname: quote1-hostname
  subdomain: quote-headless
  volumes:
  - name: shared
    emptyDir: {}
  initContainers:
  - name: index-creator
    image: busybox
    command:
    - sh
    - -c
    - echo "This is the quote service running in pod $HOSTNAME on node $NODE_NAME" > /html/index.html
    env:
    - name: NODE_NAME
      valueFrom:
        fieldRef:
          fieldPath: spec.nodeName
    volumeMounts:
    - name: shared
      mountPath: /html
  containers:
  - name: quote-writer
    image: luksa/quote-writer:0.1
    imagePullPolicy: IfNotPresent
    volumeMounts:
    - name: shared
      mountPath: /var/local/output
  - name: nginx
    image: nginx:alpine
    volumeMounts:
    - name: shared
      mountPath: /usr/share/nginx/html
      readOnly: true
    ports:
    - name: http
      containerPort: 80
---
# nslookup quote2-hostname.quote-headless
apiVersion: v1
kind: Pod
metadata:
  name: quote2-with-subdomain
  labels:
    app: quote
    rel: stable
spec:
  subdomain: quote-headless
  volumes:
  - name: shared
    emptyDir: {}
  initContainers:
  - name: index-creator
    image: busybox
    command:
    - sh
    - -c
    - echo "This is the quote service running in pod $HOSTNAME on node $NODE_NAME" > /html/index.html
    env:
    - name: NODE_NAME
      valueFrom:
        fieldRef:
          fieldPath: spec.nodeName
    volumeMounts:
    - name: shared
      mountPath: /html
  containers:
  - name: quote-writer
    image: luksa/quote-writer:0.1
    imagePullPolicy: IfNotPresent
    volumeMounts:
    - name: shared
      mountPath: /var/local/output
  - name: nginx
    image: nginx:alpine
    volumeMounts:
    - name: shared
      mountPath: /usr/share/nginx/html
      readOnly: true
    ports:
    - name: http
      containerPort: 80
---
# nslookup quote3-hostname.quote-headless
apiVersion: v1
kind: Pod
metadata:
  name: quote3-with-hostname-subdomain
  labels:
    app: quote
    rel: stable
spec:
  hostname: quote3-hostname
  subdomain: quote-headless
  volumes:
  - name: shared
    emptyDir: {}
  initContainers:
  - name: index-creator
    image: busybox
    command:
    - sh
    - -c
    - echo "This is the quote service running in pod $HOSTNAME on node $NODE_NAME" > /html/index.html
    env:
    - name: NODE_NAME
      valueFrom:
        fieldRef:
          fieldPath: spec.nodeName
    volumeMounts:
    - name: shared
      mountPath: /html
  containers:
  - name: quote-writer
    image: luksa/quote-writer:0.1
    imagePullPolicy: IfNotPresent
    volumeMounts:
    - name: shared
      mountPath: /var/local/output
  - name: nginx
    image: nginx:alpine
    volumeMounts:
    - name: shared
      mountPath: /usr/share/nginx/html
      readOnly: true
    ports:
    - name: http
      containerPort: 80