Configure MySQL on webnodes; forwarding /var/run/mysqld/mysqld.sock to caffeine:3306

roles/webnode/files/mysql-forwarding.conf

@@ -0,0 +1 @@
+d /var/run/mysqld 0755 root root -

roles/webnode/files/mysql-forwarding.service

@@ -0,0 +1,9 @@
+[Unit]
+Description=MySQL forwarding to caffeine
+After=networking.target
+
+[Service]
+ExecStart=/usr/bin/socat UNIX-LISTEN:/var/run/mysqld/mysqld.sock,fork,reuseaddr,unlink-early,user=nobody,group=nogroup,mode=777 TCP:caffeine:3306
+
+[Install]
+WantedBy=multi-user.target

roles/webnode/tasks/main.yml

@@ -3,7 +3,12 @@
 - name: Install packages
   package: name={{ item }} state=latest
   with_items:
+     # PHP5
      - php5-fpm
+     - php5-mysql
+
+     # MySQL
+     - socat
 
 #
 # Apache setup
@@ -21,6 +26,7 @@
   service:
      name: apache2
      state: restarted
+     enabled: yes
   when: apache_configuration.changed
 
 #
@@ -37,4 +43,33 @@
   service:
      name: php5-fpm
      state: restarted
+     enabled: yes
   when: fpm_configuration.changed
+
+#
+# MySQL setup
+#
+- name: Configure MySQL forwarding service
+  copy:
+     src: mysql-forwarding.service
+     dest: /etc/systemd/system/mysql-forwarding.service
+     backup: no
+  register: mysql_forwarding
+
+- name: Configure MySQL tmp file
+  copy:
+     src: mysql-forwarding.conf
+     dest: /etc/tmpfiles.d/mysql-forwarding.conf
+     backup: no
+  register: mysql_forwarding_tmpfile
+
+- name: Create tmpfiles for MySQL forwarding
+  command: systemd-tmpfiles --create
+  when: mysql_forwarding_tmpfile.changed
+
+- name: Enable MySQL forwarding service
+  service:
+     name: mysql-forwarding
+     state: restarted
+     enabled: yes
+  when: mysql_forwarding.changed or mysql_forwarding_tmpfile.changed