Enable apache2 status and collect with metricbeat

Change-Id: I9e03af7ab438fde01ffa571acfebb6d340e5fb78

elk_metrics_6x/installMetricbeat.yml

@@ -89,6 +89,31 @@
         rabbitmq_enabled: "{{ rabbitmq.stat.exists | bool }}"
         uwsgi_enabled: "{{ uwsgi.stat.exists | bool }}"
 
+    - name: Drop apache2 stats site config
+      template:
+        src: apache-status.conf.j2
+        dest: /etc/apache2/sites-available/apache-status.conf
+      when: apache_enabled
+
+    - name: Enable apache2 stats site
+      file:
+        src: /etc/apache2/sites-available/apache-status.conf
+        dest: /etc/apache2/sites-enabled/apache-status.conf
+        state: link
+      when: apache_enabled
+
+    - name: Ensure apache2 stats mode is enabled
+      apache2_module:
+        name: status
+        state: present
+      when: apache_enabled
+
+    - name: Reload apache2
+      service:
+        name: apache2
+        state: reloaded
+      when: apache_enabled
+
   post_tasks:
     - name: Drop metricbeat conf file
       template:

elk_metrics_6x/templates/apache-status.conf.j2

@@ -0,0 +1,7 @@
+Listen 127.0.1.1:80
+
+<VirtualHost 127.0.1.1:80>
+  <Location "/server-status">
+    SetHandler server-status
+  </Location>
+</VirtualHost>

elk_metrics_6x/templates/metricbeat.yml.j2

@@ -125,7 +125,7 @@ metricbeat.modules:
   period: 30s
 #
 #  # Apache hosts
-  hosts: ["http://127.0.0.1"]
+  hosts: ["http://{{ ansible_hostname }}"]
 #
 #  # Path to server status. Default server-status
 #  #server_status_path: "server-status"