Add glusterfs role

Vagrantfile

@@ -1,22 +1,26 @@
 VAGRANTFILE_API_VERSION = "2"
  Vagrant.configure(VAGRANTFILE_API_VERSION) do |config|
   config.vm.box = "ubuntu/jammy64"
-  config.vm.define "web1" do |master|
-    master.vm.hostname = "web1"
-    master.vm.network "forwarded_port", guest: 80, host: 8080
-    master.vm.network "private_network", ip: "192.168.56.2"
-  end
-  config.vm.define "web2" do |master|
-    master.vm.hostname = "web2"
-    master.vm.network "forwarded_port", guest: 80, host: 8081
-    master.vm.network "private_network", ip: "192.168.56.3"
-  end
   config.vm.provider "virtualbox" do |v|
     v.memory = 1024
     v.cpus = 2
   end
-  config.vm.provision "ansible" do |ansible|
+  N = 3
+  (1..N).each do |machine_id|
+    config.vm.define "web#{machine_id}" do |machine|
+      machine.vm.hostname = "web#{machine_id}"
+      machine.vm.network "forwarded_port", guest: 80, host: "808#{machine_id+1}"
+      machine.vm.network "private_network", ip: "192.168.56.#{machine_id+1}"
+      # Only execute once the Ansible provisioner,
+      # when all the machines are up and ready.
+      if machine_id == N
+        machine.vm.provision :ansible do |ansible|
+          # Disable default limit to connect to all the machines
+          ansible.limit = "all"
 	  ansible.playbook = "ansible/playbook.yaml"
 	  ansible.vault_password_file = "vault_pass"
         end
+      end
+    end
+  end
 end

ansible/playbook.yaml

@@ -11,8 +11,36 @@
       db_user: wp
     php:
       version: 8.1
+    gluster:
+      brick_dir: /srv/data/wordpress
+      mount_dir: /var/www/html/wordpress
+      vol_name: wordpress_vol
+      dir_owner: wordpress
+      dir_group: www-data
+      cluster:
+        - 192.168.56.2
+        - 192.168.56.3
+        - 192.168.56.4
+  pre_tasks:
+    - debug: var=ansible_all_ipv4_addresses[1]
+    # we need gluster on all servers to configure peering
+    - name: Install gluster
+      ansible.builtin.apt:
+        update_cache: true
+        cache_valid_time: 3600
+        name:
+          - glusterfs-server
+      become: true
+
+    - name: start service
+      ansible.builtin.service:
+        name: glusterd
+        state: started
+        enabled: true
+      become: true
   roles:
     - nginx
     - mysql
     - php
+    - glusterfs
     - wordpress

ansible/roles/glusterfs/tasks/main.yaml

@@ -0,0 +1,52 @@
+---
+- name: Create brick dir
+  ansible.builtin.file:
+    path: "{{ gluster.brick_dir }}"
+    state: directory
+  become: true
+
+- name: Create volume
+  gluster.gluster.gluster_volume:
+    state: present
+    name: "{{ gluster.vol_name }}"
+    bricks: "{{ gluster.brick_dir }}"
+    cluster: "{{ gluster.cluster }}"
+    force: true
+  run_once: true
+  become: true
+
+- name: Start volume
+  gluster.gluster.gluster_volume:
+    state: started
+    name: "{{ gluster.vol_name }}"
+  run_once: true
+  become: true
+
+- name: Mount volume
+  mount:
+    name: "{{ gluster.mount_dir }}"
+    src: "{{ ansible_all_ipv4_addresses[1] }}:/{{ gluster.vol_name }}"
+    fstype: glusterfs
+    opts: "defaults,_netdev"
+    state: mounted
+  become: true
+
+- name: Add group
+  ansible.builtin.group:
+    name: "{{ gluster.dir_owner }}"
+  become: true
+
+- name: Add user
+  ansible.builtin.user:
+    name: "{{ gluster.dir_owner }}"
+    group: "{{ gluster.dir_group }}"
+  become: true
+
+- name: Change ownership
+  file:
+    path: "{{ gluster.mount_dir }}"
+    owner: "{{ gluster.dir_owner }}"
+    group: "{{ gluster.dir_group }}"
+    state: directory
+    mode: "0755"
+  become: true

ansible/roles/php/handlers/main.yaml

@@ -3,3 +3,5 @@
   service:
     name: php{{ php.version }}-fpm
     state: restarted
+    enabled: true
+  become: true

ansible/roles/wordpress/tasks/main.yaml

@@ -3,12 +3,14 @@
   ansible.builtin.get_url:
     url: https://de.wordpress.org/latest-de_DE.tar.gz
     dest: /tmp/wordpress.tar.gz
+  run_once: true
 
 - name: Extract wordpress
   ansible.builtin.unarchive:
     src: /tmp/wordpress.tar.gz
     dest: "{{ wordpress.dir | dirname }}"
     remote_src: true
+  run_once: true
   become: true
 
 - name: Add wordpress group
@@ -26,14 +28,5 @@
   ansible.builtin.template:
     src: "wp-config.php.j2"
     dest: "{{ wordpress.dir }}/wp-config.php"
+  run_once: true
   become: true
-
-- name: Change ownership of wordpress installation
-  ansible.builtin.file:
-    path: "{{ wordpress.dir }}"
-    owner: wordpress
-    group: www-data
-    state: directory
-    recurse: true
-  become: true
-