Sample app update (#11)

* Added conditional for adding sample apps

* Add Wordpress with SQL app

* updated yaml files with --- between sections

deploy_sample_apps.yml

@@ -4,4 +4,4 @@
   become: yes
   become_method: sudo
   roles:
-    - sample_apps
+    - { role: sample_apps, when: deploy_sample_apps }

group_vars/all

@@ -33,3 +33,5 @@ run_bgp_tasks: false
 bgp_router_ip: 172.16.1.1
 bgp_router_as: 65000
 bgp_myas: 65001
+
+deploy_sample_apps: true

roles/sample_apps/tasks/PHPGuestbook.yml

@@ -1,4 +1,7 @@
 ---
+- name: Remove app if exists
+  shell: if [ -e /tmp/guestbook.yaml ]; then kubectl --kubeconfig /etc/kubernetes/admin.conf delete -f /tmp/guestbook.yaml; else echo "Existing file not found"; fi
+
 - name: Copy Guestbook YAML to host
   template:
     src: guestbook.yaml

roles/sample_apps/tasks/WordPressSQL.yml

@@ -0,0 +1,18 @@
+---
+- name: Remove app if exists
+  shell: if [ -e /tmp/wordpresssql.yaml ]; then kubectl --kubeconfig /etc/kubernetes/admin.conf delete -f /tmp/wordpresssql.yaml; else echo "Existing file not found"; fi
+
+- name: Copy WordPressSQL YAML to host
+  template:
+    src: wordpresssql.yaml
+    dest: /tmp/wordpresssql.yaml
+
+- name: Create SQL Secret
+  command: "kubectl --kubeconfig /etc/kubernetes/admin.conf {{ item }}"
+  with_items:
+    - "delete secret mysql-pass"
+    - "create secret generic mysql-pass --from-literal=password=YOUR_PASSWORD"
+
+- name: Deploying Wordpress SQL
+  command: "kubectl --kubeconfig /etc/kubernetes/admin.conf apply -f /tmp/wordpresssql.yaml"
+

roles/sample_apps/tasks/main.yml

@@ -1 +1,2 @@
-- import_tasks: PHPGuestbook.yml
+- import_tasks: PHPGuestbook.yml
+- import_tasks: WordPressSQL.yml

roles/sample_apps/templates/guestbook.yaml

@@ -34,6 +34,7 @@ spec:
           # value: env
         ports:
         - containerPort: 80
+---
 apiVersion: v1
 kind: Service
 metadata:
@@ -52,6 +53,7 @@ spec:
   selector:
     app: guestbook
     tier: frontend
+---
 apiVersion: apps/v1 # for versions before 1.9.0 use apps/v1beta2
 kind: Deployment
 metadata:
@@ -79,6 +81,7 @@ spec:
             memory: 100Mi
         ports:
         - containerPort: 6379
+---
 apiVersion: v1
 kind: Service
 metadata:
@@ -95,6 +98,7 @@ spec:
     app: redis
     role: master
     tier: backend
+---
 apiVersion: apps/v1 # for versions before 1.9.0 use apps/v1beta2
 kind: Deployment
 metadata:
@@ -133,6 +137,7 @@ spec:
           # value: env
         ports:
         - containerPort: 6379
+---
 apiVersion: v1
 kind: Service
 metadata:

roles/sample_apps/templates/wordpresssql.yaml

@@ -0,0 +1,163 @@
+kind: PersistentVolume
+apiVersion: v1
+metadata:
+  name: wp-pv-volume1
+  labels:
+    app: wordpress
+    type: local
+spec:
+  capacity:
+    storage: 2Gi
+  accessModes:
+    - ReadWriteOnce
+  hostPath:
+    path: "/tmp/wordpress-data1"
+---
+kind: PersistentVolume
+apiVersion: v1
+metadata:
+  name: wp-pv-volume2
+  labels:
+    app: wordpress
+    type: local
+spec:
+  capacity:
+    storage: 2Gi
+  accessModes:
+    - ReadWriteOnce
+  hostPath:
+    path: "/tmp/wordpress-data2"
+---
+apiVersion: v1
+kind: Service
+metadata:
+  name: wordpress-mysql
+  labels:
+    app: wordpress
+spec:
+  ports:
+    - port: 3306
+  selector:
+    app: wordpress
+    tier: mysql
+  clusterIP: None
+---
+apiVersion: v1
+kind: PersistentVolumeClaim
+metadata:
+  name: mysql-pv-claim
+  labels:
+    app: wordpress
+spec:
+  accessModes:
+    - ReadWriteOnce
+  resources:
+    requests:
+      storage: 2Gi
+---
+apiVersion: apps/v1 # for versions before 1.9.0 use apps/v1beta2
+kind: Deployment
+metadata:
+  name: wordpress-mysql
+  labels:
+    app: wordpress
+spec:
+  selector:
+    matchLabels:
+      app: wordpress
+      tier: mysql
+  strategy:
+    type: Recreate
+  template:
+    metadata:
+      labels:
+        app: wordpress
+        tier: mysql
+    spec:
+      containers:
+      - image: mysql:5.6
+        name: mysql
+        env:
+        - name: MYSQL_ROOT_PASSWORD
+          valueFrom:
+            secretKeyRef:
+              name: mysql-pass
+              key: password
+        ports:
+        - containerPort: 3306
+          name: mysql
+        volumeMounts:
+        - name: mysql-persistent-storage
+          mountPath: /var/lib/mysql
+      volumes:
+      - name: mysql-persistent-storage
+        persistentVolumeClaim:
+          claimName: mysql-pv-claim
+---
+apiVersion: v1
+kind: Service
+metadata:
+  name: wordpress
+  labels:
+    app: wordpress
+spec:
+  ports:
+    - port: 80
+  selector:
+    app: wordpress
+    tier: frontend
+  type: LoadBalancer
+---
+apiVersion: v1
+kind: PersistentVolumeClaim
+metadata:
+  name: wp-pv-claim
+  labels:
+    app: wordpress
+spec:
+  accessModes:
+    - ReadWriteOnce
+  resources:
+    requests:
+      storage: 2Gi
+---
+apiVersion: apps/v1 # for versions before 1.9.0 use apps/v1beta2
+kind: Deployment
+metadata:
+  name: wordpress
+  labels:
+    app: wordpress
+spec:
+  selector:
+    matchLabels:
+      app: wordpress
+      tier: frontend
+  strategy:
+    type: Recreate
+  template:
+    metadata:
+      labels:
+        app: wordpress
+        tier: frontend
+    spec:
+      containers:
+      - image: wordpress:4.8-apache
+        name: wordpress
+        env:
+        - name: WORDPRESS_DB_HOST
+          value: wordpress-mysql
+        - name: WORDPRESS_DB_PASSWORD
+          valueFrom:
+            secretKeyRef:
+              name: mysql-pass
+              key: password
+        ports:
+        - containerPort: 80
+          name: wordpress
+        volumeMounts:
+        - name: wordpress-persistent-storage
+          mountPath: /var/www/html
+      volumes:
+      - name: wordpress-persistent-storage
+        persistentVolumeClaim:
+          claimName: wp-pv-claim