Add scalable cluster kubernetes support

installer/kubernetes/tasks/main.yml

@@ -96,6 +96,12 @@
     path: "{{ kubernetes_base_path }}"
     state: directory
 
+- name: Template Kubernetes AWX etcd2
+  template:
+    src: etcd.yml.j2
+    dest: "{{ kubernetes_base_path }}/etcd.yml"
+    mode: '0600'
+
 - name: Template Kubernetes AWX Config
   template:
     src: configmap.yml.j2
@@ -108,6 +114,9 @@
     dest: "{{ kubernetes_base_path }}/deployment.yml"
     mode: '0600'
 
+- name: Apply etcd deployment
+  shell: "kubectl apply -f {{ kubernetes_base_path }}/etcd.yml"
+  
 - name: Apply Configmap
   shell: "kubectl apply -f {{ kubernetes_base_path }}/configmap.yml"
 

installer/kubernetes/templates/configmap.yml.j2

@@ -13,6 +13,8 @@ data:
     # Container environments don't like chroots
     AWX_PROOT_ENABLED = False
     
+    AWX_AUTO_DEPROVISION_INSTANCES = True
+
     #Autoprovisioning should replace this
     CLUSTER_HOST_ID = socket.gethostname()
     SYSTEM_UUID = '00000000-0000-0000-0000-000000000000'

installer/kubernetes/templates/deployment.yml.j2

@@ -41,18 +41,42 @@ spec:
             - name: AWX_ADMIN_PASSWORD
               value: {{ default_admin_password|default('password') }}
         - name: awx-rabbit
-          image: rabbitmq:3
+          image: ansible/awx_rabbitmq:latest
+          imagePullPolicy: Always
           env:
+            # For consupmption by rabbitmq-env.conf
+            - name: MY_POD_IP
+              valueFrom:
+                fieldRef:
+                  fieldPath: status.podIP
+            - name: RABBITMQ_USE_LONGNAME
+              value: "true"
+            - name: ERLANG_COOKIE
+              value: "test"
             - name: RABBITMQ_ERLANG_COOKIE
-              value: secretb
+              value: "secretb"
             - name: RABBITMQ_NODENAME
-              value: rabbitmq
+              value: "rabbit@$(MY_POD_IP)"
+            - name: AUTOCLUSTER_TYPE
+              value: "etcd"
+            - name: AUTOCLUSTER_DELAY
+              value: "60"
+            - name: ETCD_HOST
+              value: "etcd"
+            - name: AUTOCLUSTER_CLEANUP
+              value: "true"
+            - name: CLEANUP_WARN_ONLY
+              value: "false"
+            - name: CLEANUP_INTERVAL
+              value: "30"
             - name: RABBITMQ_DEFAULT_USER
               value: awx
             - name: RABBITMQ_DEFAULT_PASS
               value: abcdefg
             - name: RABBITMQ_DEFAULT_VHOST
               value: awx
+            - name: RABBITMQ_CONFIG_FILE
+              value: /etc/rabbitmq/rabbitmq
         - name: awx-memcached
           image: memcached
       volumes:

installer/kubernetes/templates/etcd.yml.j2

@@ -0,0 +1,44 @@
+---
+apiVersion: extensions/v1beta1
+kind: Deployment
+metadata:
+  name: etcd
+  namespace: {{ awx_kubernetes_project }}
+spec:
+  replicas: 1
+  template:
+    metadata:
+      labels:
+        name: awx-etcd2
+        service: etcd
+    spec:
+      containers:
+        - name: etcd
+          image: elcolio/etcd:latest
+          ports:
+            - containerPort: 4001
+          volumeMounts:
+            - mountPath: /data
+              name: datadir
+      volumes:
+        - name: datadir
+          emptyDir: {}
+---
+apiVersion: v1
+kind: Service
+metadata:
+  annotations:
+  labels:
+    name: awx-etcd
+  name: etcd
+  namespace: {{ awx_kubernetes_project }}
+spec:
+  ports:
+    - name: etcd
+      port: 4001
+      protocol: TCP
+      targetPort: 4001
+  selector:
+    name: awx-etcd2
+  sessionAffinity: None
+  type: ClusterIP