container: reorganize volume directory creation

roles/container/tasks/init.yml

@@ -8,12 +8,25 @@
     final_docker_volumes: "{{ docker_volumes }}"
     container_image: ''
 
+- name: Set assistive variables
+  set_fact:
+    template_mounts_needed: "{{ docker_mounts | selectattr('template', 'defined') | list | length > 0 }}"
+    volumes_needed: "{{ docker_mounts | selectattr('name', 'defined') | list | length > 0 }}"
+    dockerfile_needed: "{{ dockerfile is defined and dockerfile | length > 0 }}"
+- name: Set more assistive variables
+  set_fact:
+    bind_volumes_needed: "{{ volumes_needed and docker_volume_type == 'bind' }}"
+    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 }}"
+    create_mounts_directory: "{{ bind_volumes_needed or template_mounts_needed }}"
+
 - name: Set docker service full name
   set_fact:
     docker_service_name: "{{ docker_service }}_{{ docker_service_suffix }}"
   when: docker_service_suffix is defined
 
-
 - name: Warn about docker_volumes legacy format
   debug:
     msg: "docker_volumes is deprecated. This support may be removed after december 2022. Use docker_mounts instead!"

roles/container/tasks/main.yml

@@ -46,7 +46,7 @@
     path: "/opt/{{ docker_service }}"
     state: directory
     mode: 0755
-  when: (dockerfile is defined and dockerfile | length > 0) or docker_host_user or docker_volume_type == 'bind'
+  when: create_opt_directory
 
 - name: Container image
   import_tasks: image.yml
@@ -55,6 +55,25 @@
   include_tasks: host_user.yml
   when: docker_host_user
 
+- name: Create suffix directory
+  when: create_opt_directory and docker_service_suffix is defined
+  block:
+    - name: Create directory /opt/{{ docker_service + '/' + docker_service_suffix }}
+      file:
+        path: "/opt/{{ docker_service }}/{{ docker_service_suffix }}"
+        state: directory
+        owner: "{{ user.uid | default(omit) }}"
+        group: "{{ user.group | default(omit) }}"
+        mode: 0755
+    - name: Set container_workdir variable
+      set_fact:
+        container_workdir: /opt/{{ docker_service }}/{{ docker_service_suffix }}
+
+- name: Set container_workdir variable
+  set_fact:
+    container_workdir: /opt/{{ docker_service }}
+  when: docker_service_suffix is not defined
+
 - name: Container volumes
   import_tasks: volumes.yml
 

roles/container/tasks/volumes.yml

@@ -1,27 +1,11 @@
 ---
 
 - name: Create directories and put files in them
-  when:
+  when: create_mounts_directory
-    - docker_mounts | length > 0
-    - (docker_volume_type == 'bind' and docker_mounts | selectattr('name', 'defined') | list | length > 0) or (docker_mounts | selectattr('template', 'defined') | list | length > 0)
   block:
-    - name: Create directory /opt/{{ docker_service + '/' + docker_service_suffix }}
-      file:
-        path: "/opt/{{ docker_service }}/{{ docker_service_suffix }}"
-        state: directory
-        owner: "{{ user.uid | default(omit) }}"
-        group: "{{ user.group | default(omit) }}"
-        mode: 0755
-      when: docker_service_suffix is defined
-
     - name: Set docker_mounts_dir
       set_fact:
-        docker_mounts_dir: "/opt/{{ docker_service }}/{{ docker_service_suffix }}/mounts"
+        docker_mounts_dir: "{{ container_workdir }}/mounts"
-      when: docker_service_suffix is defined
-    - name: Set docker_mounts_dir
-      set_fact:
-        docker_mounts_dir: "/opt/{{ docker_service }}/mounts"
-      when: docker_service_suffix is not defined
  
     - name: Create directory {{ docker_mounts_dir }}
       file: