haproxy_lb_ha_kubernetes

[root@cent-gluster-workstation service-loadbalancer]# cat rc.yaml
apiVersion: v1
kind: ReplicationController
metadata:
  name: service-loadbalancer
  labels:
    app: service-loadbalancer
    version: v1
spec:
  replicas: 3
  selector:
    app: service-loadbalancer
    version: v1
  template:
    metadata:
      labels:
        app: service-loadbalancer
        version: v1
    spec:
      nodeSelector:
        role: loadbalancer
      containers:
      - image: gcr.io/google_containers/servicelb:0.4
        imagePullPolicy: Always
        livenessProbe:
          httpGet:
            path: /healthz
            port: 8081
            scheme: HTTP
          initialDelaySeconds: 30
          timeoutSeconds: 5
        name: haproxy
        ports:
        # All http services
        - containerPort: 80
          hostPort: 80
          protocol: TCP
        # nginx https
        - containerPort: 443
          hostPort: 8080
          protocol: TCP
        # haproxy stats
        - containerPort: 1936
          hostPort: 1936
          protocol: TCP
        resources: {}

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[root@cent-gluster-workstation service-loadbalancer]# kubectl get rc service-loadbalancer
NAME                   DESIRED   CURRENT   READY     AGE
service-loadbalancer   3         3         3         21h

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[root@cent-gluster-workstation service-loadbalancer]# kubectl describe rc service-loadbalancer
Name:           service-loadbalancer
Namespace:      default
Selector:       app=service-loadbalancer,version=v1
Labels:         app=service-loadbalancer
                version=v1
Annotations:    kubectl.kubernetes.io/last-applied-configuration={"apiVersion":"v1","kind":"ReplicationController","metadata":{"annotations":{},"labels":{"app":"service-loadbalancer","version":"v1"},"name":"service-l...
Replicas:       3 current / 3 desired
Pods Status:    3 Running / 0 Waiting / 0 Succeeded / 0 Failed
Pod Template:
  Labels:       app=service-loadbalancer
                version=v1
  Containers:
   haproxy:
    Image:      gcr.io/google_containers/servicelb:0.4
    Ports:      80/TCP, 443/TCP, 1936/TCP
    Args:
      --tcp-services=nginxsvc:443
    Liveness:           http-get http://:8081/healthz delay=30s timeout=5s period=10s #success=1 #failure=3
    Environment:        <none>
    Mounts:             <none>
  Volumes:              <none>
Events:
  FirstSeen     LastSeen        Count   From                    SubObjectPath   Type            Reason                  Message
  ---------     --------        -----   ----                    -------------   --------        ------                  -------
  8m            8m              1       replication-controller                  Normal          SuccessfulCreate        Created pod: service-loadbalancer-0v1tl
  8m            8m              1       replication-controller                  Normal          SuccessfulCreate        Created pod: service-loadbalancer-lcqr6

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[root@cent-gluster-workstation service-loadbalancer]# cat ~/gitlab-service.yaml
apiVersion: v1
kind: Service
metadata:
  creationTimestamp: null
  labels:
    io.kompose.service: gitlab
  name: gitlab
spec:
  type: LoadBalancer
  ports:
  - name: "443"
    port: 443
    targetPort: 443
  - name: "80"
    port: 80
    targetPort: 80
  - name: "10022"
    port: 10022
    targetPort: 22
  selector:
    io.kompose.service: gitlab
status:
  loadBalancer: {}

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