Petit stack

examples/016_tasks_handlers/hosts

@@ -0,0 +1,11 @@
+[control]
+192.168.11.10
+
+[database]
+192.168.11.20
+
+[loadbalancer]
+192.168.11.30
+
+[webserver]
+192.168.11.40

examples/016_tasks_handlers/loadbalancer.yml

@@ -4,8 +4,8 @@
   tasks:
     - name: install tools
       apt: name={{item}} state=present update_cache=yes
-      with_items:
-        - python-httplib2
+      loop:
+        - python3-httplib2
 
     - name: install nginx
       apt: name=nginx state=present update_cache=yes

examples/016_tasks_handlers/playbooks/hostname.yml

@@ -1,5 +1,11 @@
 ---
   - hosts: all
     tasks:
-      - name: get server hostname
+      - name: Ping to servers
+        ping:
+      - name: Get hostname
         command: hostname
+        register: hostname
+      - name: Show hostname with message
+        debug:
+          msg: "The hostname of this server is {{ hostname.stdout }}"

examples/016_tasks_handlers/playbooks/stack_status.yml

@@ -30,38 +30,38 @@
   tasks:
     - name: verify end-to-end index response
       uri: url=http://{{item}} return_content=yes
-      with_items: groups.loadbalancer
+      loop: groups.loadbalancer
       register: lb_index
 
     - fail: msg="index failed to return content"
       when: "'Hello, from sunny' not in item.content"
-      with_items: "{{lb_index.results}}"
+      loop: "{{lb_index.results}}"
 
     - name: verify end-to-end db response
       uri: url=http://{{item}}/db return_content=yes
-      with_items: groups.loadbalancer
+      loop: groups.loadbalancer
       register: lb_db
 
     - fail: msg="db failed to return content"
       when: "'Database Connected from' not in item.content"
-      with_items: "{{lb_db.results}}"
+      loop: "{{lb_db.results}}"
 
 - hosts: loadbalancer
   tasks:
     - name: verify backend index response
       uri: url=http://{{item}} return_content=yes
-      with_items: groups.webserver
+      loop: groups.webserver
       register: app_index
 
     - fail: msg="index failed to return content"
       when: "'Hello, from sunny {{item.item}}!' not in item.content"
-      with_items: "{{app_index.results}}"
+      loop: "{{app_index.results}}"
 
     - name: verify backend db response
       uri: url=http://{{item}}/db return_content=yes
-      with_items: groups.webserver
+      loop: groups.webserver
       register: app_db
 
     - fail: msg="db failed to return content"
       when: "'Database Connected from {{item.item}}!' not in item.content"
-      with_items: "{{app_db.results}}"
+      loop: "{{app_db.results}}"

examples/016_tasks_handlers/roles/apache2/handlers/main.yml

@@ -1,2 +1,4 @@
 ---
 # handlers file for apache2
+- name: restart apache2
+  service: name=apache2 state=restarted

examples/016_tasks_handlers/roles/apache2/tasks/main.yml

@@ -1,2 +1,37 @@
 ---
 # tasks file for apache2
+- name: install web components
+  apt: name={{item}} state=present update_cache=yes
+  loop:
+    - apache2
+    - libapache2-mod-wsgi
+    - python3-pip
+    - python3-virtualenv
+    - python3-mysqldb
+
+- name: ensure apache2 started
+  service: name=apache2 state=started enabled=yes
+
+- name: ensure mod_wsgi enabled
+  apache2_module: state=present name=wsgi
+  notify: restart apache2
+
+- name: copy demo app source
+  copy: src=demo/app/ dest=/var/www/demo mode=0755
+  notify: restart apache2
+
+- name: copy apache virtual host config
+  copy: src=demo/demo.conf dest=/etc/apache2/sites-available mode=0755
+  notify: restart apache2
+
+- name: setup python virtualenv
+  pip: requirements=/var/www/demo/requirements.txt virtualenv=/var/www/demo/.venv
+  notify: restart apache2
+
+- name: de-activate default apache site
+  file: path=/etc/apache2/sites-enabled/000-default.conf state=absent
+  notify: restart apache2
+
+- name: activate demo apache site
+  file: src=/etc/apache2/sites-available/demo.conf dest=/etc/apache2/sites-enabled/demo.conf state=link
+  notify: restart apache2

examples/016_tasks_handlers/roles/control/tasks/main.yml

@@ -1,6 +1,6 @@
 ---
 - name: install tools
   apt: name={{item}} state=present update_cache=yes
-  with_items:
+  loop:
     - curl
-    - python-httplib2
+    - python3-httplib2

examples/016_tasks_handlers/site.yml

@@ -0,0 +1,10 @@
+---
+- import_playbook: playbooks/hostname.yml
+- import_playbook: database.yml
+- import_playbook: webserver.yml
+- import_playbook: loadbalancer.yml
+- import_playbook: control.yml
+- import_playbook: playbooks/stack_status.yml
+- import_playbook: playbooks/stack_restart.yml
+- import_playbook: playbooks/stack_status.yml
+  

examples/016_tasks_handlers/webserver.yml

@@ -1,43 +1,8 @@
 ---
 - hosts: webserver
   become: true
-  tasks:
-    - name: install web components
-      apt: name={{item}} state=present update_cache=yes
-      with_items:
-        - apache2
-        - libapache2-mod-wsgi
-        - python-pip
-        - python-virtualenv
-        - python-mysqldb
+  roles:
+    - apache2
 
-    - name: ensure apache2 started
-      service: name=apache2 state=started enabled=yes
 
-    - name: ensure mod_wsgi enabled
-      apache2_module: state=present name=wsgi
-      notify: restart apache2
 
-    - name: copy demo app source
-      copy: src=demo/app/ dest=/var/www/demo mode=0755
-      notify: restart apache2
-
-    - name: copy apache virtual host config
-      copy: src=demo/demo.conf dest=/etc/apache2/sites-available mode=0755
-      notify: restart apache2
-
-    - name: setup python virtualenv
-      pip: requirements=/var/www/demo/requirements.txt virtualenv=/var/www/demo/.venv
-      notify: restart apache2
-
-    - name: de-activate default apache site
-      file: path=/etc/apache2/sites-enabled/000-default.conf state=absent
-      notify: restart apache2
-
-    - name: activate demo apache site
-      file: src=/etc/apache2/sites-available/demo.conf dest=/etc/apache2/sites-enabled/demo.conf state=link
-      notify: restart apache2
-
-  handlers:
-    - name: restart apache2
-      service: name=apache2 state=restarted