container: add copypath mounts for copying whole directories to mount in container

roles/container/meta/argument_specs.yml

@@ -118,6 +118,10 @@ argument_specs:
             description: "Name of template without .j2 extension. Will be templated at /opt/<service>[/suffix]/mounts/<template> and mounted inside the container."
             type: str
             required: false
+          copypath:
+            description: "Name of file or directory to copy. Will be deployed from files/<copypath> to /opt/<service>[/suffix]/mounts/<copypath> and mounted inside the container."
+            type: str
+            required: false
       reverse_proxy_type:
         description: "Defines which kind of reverse proxy to configure for the container. Traefik support is experimental."
         type: str

roles/container/tasks/init.yml

@@ -39,6 +39,7 @@
 - name: Set assistive variables
   set_fact:
     template_mounts_needed: "{{ docker_mounts | selectattr('template', 'defined') | list | length > 0 }}"
+    copypath_mounts_needed: "{{ docker_mounts | selectattr('copypath', 'defined') | list | length > 0 }}"
     volumes_needed: "{{ docker_mounts | selectattr('name', 'defined') | list | length > 0 or docker_database != 'none' }}"
     dockerfile_needed: "{{ dockerfile | length > 0 }}"
     db_config_mounts_needed: "{{ docker_mariadb_config | length > 0 }}"
@@ -48,8 +49,8 @@
     named_volumes_needed: "{{ volumes_needed and docker_volume_type == 'named' }}"
 - name: Set even more assistive variables
   set_fact:
-    create_opt_directory: "{{ dockerfile_needed or docker_host_user or bind_volumes_needed or template_mounts_needed or db_config_mounts_needed }}"
-    create_mounts_directory: "{{ bind_volumes_needed or template_mounts_needed or db_config_mounts_needed }}"
+    create_opt_directory: "{{ dockerfile_needed or docker_host_user or bind_volumes_needed or template_mounts_needed or copypath_mounts_needed or db_config_mounts_needed }}"
+    create_mounts_directory: "{{ bind_volumes_needed or template_mounts_needed or copypath_mounts_needed or db_config_mounts_needed }}"
 
 - name: Set docker service full name
   set_fact:

roles/container/tasks/volumes.yml

@@ -35,6 +35,19 @@
       when: item.template is defined
       loop: "{{ docker_mounts }}"
 
+    - name: Copy docker copypath mounts for {{ docker_service_name }}
+      copy:
+        src: "files/{{ item.copypath }}"
+        dest: "{{ docker_mounts_dir }}/"
+      when: item.copypath is defined
+      loop: "{{ docker_mounts }}"
+      notify: Restart container {{ docker_service_name }}
+    - name: Set docker_volume_definition for copypath mounts
+      set_fact:
+        docker_volume_definition: "{{ docker_volume_definition + [{'source': docker_mounts_dir + '/' + item.copypath, 'target': item.path, 'type': 'bind', 'read_only': true}] }}"
+      when: item.copypath is defined
+      loop: "{{ docker_mounts }}"
+
 - name: Set docker_volume_definition for named volumes
   set_fact:
     docker_volume_definition: "{{ docker_volume_definition + [{'source': docker_service_name + '_' + item.name, 'target': item.path, 'type': 'volume'}] }}"