Implemented draft for auto database credentials change moodle

group_vars/all/09_ports.yml

@@ -46,7 +46,7 @@ ports:
       web-app-openproject: 8023
       gitlab: 8024
       web-app-akaunting: 8025
-      moodle: 8026
+      web-app-moodle: 8026
       taiga: 8027
       friendica: 8028
       web-app-port-ui: 8029

group_vars/all/10_networks.yml

@@ -46,7 +46,7 @@ defaults_networks:
       # Use one of the last container ips for dns resolving so that it isn't used
       dns: 192.168.102.29
       subnet: 192.168.102.16/28
-    moodle:
+    web-app-moodle:
       subnet: 192.168.102.32/28
     web-app-mybb:
       subnet: 192.168.102.48/28

roles/web-app-moodle/config/main.yml

@@ -1,5 +1,4 @@
 site_titel:           "Academy on {{primary_domain}}"
-version:              "4.5"                                 # Latest LTS - Necessary for OIDC
 features:
   matomo:             true
   css:                false
@@ -29,3 +28,11 @@ docker:
   services:
     database:
       enabled:        true
+    moodle:
+      version:        "4.5" # Latest LTS - Necessary for OIDC
+      image:          bitnami/moodle
+      name:           moodle
+  volumes:
+    data: 
+      name:           moodle_data
+  

roles/web-app-moodle/tasks/database.yml

@@ -0,0 +1,47 @@
+- name: Check if config.php exists
+  command: docker exec --user root {{ moodle_name }} test -f {{ moodle_config }}
+  register: config_file_exists
+  changed_when: false
+  failed_when: false
+
+- name: Backup config.php to host
+  when: config_file_exists.rc == 0
+  block:
+    - name: Create backup directory on host
+      ansible.builtin.file:
+        path: "/opt/docker/moodle/_backup"
+        state: directory
+        mode: "0755"
+
+    - name: Copy config.php from container to host
+      command: >
+        docker cp {{ moodle_name }}:{{ moodle_config }} /opt/docker/moodle/_backup/config.php.bak
+
+- name: Check if config.php exists
+  command: docker exec --user root {{ moodle_name }} test -f {{ moodle_config }}
+  register: config_file_exists
+  changed_when: false
+  failed_when: false
+
+- name: Patch Moodle config.php with updated DB credentials
+  when: config_file_exists.rc == 0
+  block:
+    - name: Update DB host
+      command: >
+        docker exec --user root {{ moodle_name }}
+        sed -i "s/^\$CFG->dbhost *= *.*/\$CFG->dbhost = '{{ database_host }}';/" {{ moodle_config }}
+
+    - name: Update DB name
+      command: >
+        docker exec --user root {{ moodle_name }}
+        sed -i "s/^\$CFG->dbname *= *.*/\$CFG->dbname = '{{ database_name }}';/" {{ moodle_config }}
+
+    - name: Update DB user
+      command: >
+        docker exec --user root {{ moodle_name }}
+        sed -i "s/^\$CFG->dbuser *= *.*/\$CFG->dbuser = '{{ database_username }}';/" {{ moodle_config }}
+
+    - name: Update DB password
+      command: >
+        docker exec --user root {{ moodle_name }}
+        sed -i "s/^\$CFG->dbpass *= *.*/\$CFG->dbpass = '{{ database_password }}';/" {{ moodle_config }}

roles/web-app-moodle/tasks/main.yml

@@ -3,6 +3,12 @@
   include_role: 
     name: cmp-db-docker-proxy
 
+- name: "Update database credentials"
+  include_tasks: database.yml 
+
+- name: flush docker service
+  meta: flush_handlers
+
 - name: Wait until the Moodle container is healthy
   shell: docker inspect --format '{% raw %}{{.State.Health.Status}}{% endraw %}' {{ container_name }}
   register: health_check

roles/web-app-moodle/templates/Dockerfile.j2

@@ -1,4 +1,4 @@
-FROM bitnami/moodle:{{ applications | get_app_conf(application_id, 'version', True) }}
+FROM {{ moodle_image }}:{{ moodle_version }}
 
 {% if applications | get_app_conf(application_id, 'features.oidc', False) %}
 RUN install_packages unzip curl jq \

roles/web-app-moodle/templates/docker-compose.yml.j2

@@ -19,7 +19,9 @@
 
 {% include 'roles/docker-compose/templates/volumes.yml.j2' %}
   code:
+    name: {{ moodle_volume_code }}
   data:
+    name: {{ moodle_volume_data }}
 
 {% include 'roles/docker-compose/templates/networks.yml.j2' %}
   

roles/web-app-moodle/vars/main.yml

@@ -1,11 +1,18 @@
 ---
-application_id:                 "moodle"
+application_id:                 "web-app-moodle"
 database_type:                  "mariadb"
-container_name:                 "{{ application_id }}"
 bitnami_code_link:              "/bitnami/moodle"
 bitnami_code_dir:               "/opt{{bitnami_code_link}}"
 bitnami_data_dir:               "/bitnami/moodledata"
 bitnami_oidc_plugin_dir:        "{{ bitnami_code_dir }}/auth/oidc"
 bitnami_user:                   "daemon"  
 bitnami_user_group:             "{{ bitnami_user }}:{{ bitnami_user }}"
-docker_compose_flush_handlers:  true
+
+docker_compose_flush_handlers:  false # Wait for env update
+
+moodle_config:                  "/bitnami/moodle/config.php"
+moodle_version:                 "{{ applications | get_app_conf(application_id, 'docker.services.moodle.version', True) }}"
+moodle_image:                   "{{ applications | get_app_conf(application_id, 'docker.services.moodle.image', True) }}"
+moodle_name:                    "{{ applications | get_app_conf(application_id, 'docker.services.moodle.name', True) }}"
+moodle_volume:                  "{{ applications | get_app_conf(application_id, 'docker.volumes.data', True) }}"
+moodle_code:                    "{{ applications | get_app_conf(application_id, 'docker.volumes.code', True) }}"