refactor(homarr): drop service_name var and rename db_dir to db

- homarr_service_name removed, replaced with fixed "homarr" string
- homarr_db_dir renamed to homarr_db (variable points to a file, not a dir)

roles/homarr/defaults/main.yml

@@ -8,11 +8,10 @@ docker_volume_base_dir: /srv/data
 
 # homarr-specific configuration
 homarr_base_path: /srv/data/homarr
-homarr_service_name: homarr
-homarr_docker_compose_dir: "{{ docker_compose_base_dir }}/{{ homarr_service_name }}"
-homarr_docker_volume_dir: "{{ docker_volume_base_dir }}/{{ homarr_service_name }}"
-homarr_appdata_dir: "{{ homarr_docker_volume_dir }}/{{ homarr_service_name }}/appdata"
-homarr_db_dir: "{{ homarr_appdata_dir }}/db/db.sqlite"
+homarr_docker_compose_dir: "{{ docker_compose_base_dir }}/homarr"
+homarr_docker_volume_dir: "{{ docker_volume_base_dir }}/homarr"
+homarr_appdata_dir: "{{ homarr_docker_volume_dir }}/homarr/appdata"
+homarr_db: "{{ homarr_appdata_dir }}/db/db.sqlite"
 
 # Service configuration
 homarr_domain: "homarr.local.test"

roles/homarr/tasks/main.yml

@@ -47,7 +47,7 @@
 
 - name: Check if database already exists
   ansible.builtin.stat:
-    path: "{{ homarr_db_dir }}"
+    path: "{{ homarr_db }}"
   register: db_exists
 
 # =====================================================================
@@ -71,14 +71,14 @@
 
 - name: Wait for database to be created by Homarr
   ansible.builtin.wait_for:
-    path: "{{ homarr_db_dir }}"
+    path: "{{ homarr_db }}"
     state: present
     timeout: 60
   when: not db_exists.stat.exists
 
 - name: Wait for database schema to be initialized
   ansible.builtin.command:
-    cmd: sqlite3 "{{ homarr_db_dir }}" "SELECT name FROM sqlite_master WHERE type='table' AND name='board';"
+    cmd: sqlite3 "{{ homarr_db }}" "SELECT name FROM sqlite_master WHERE type='table' AND name='board';"
   register: schema_check
   until: schema_check.stdout == "board"
   retries: 30
@@ -112,14 +112,14 @@
 
 - name: Check if local admin user exists
   ansible.builtin.command:
-    cmd: sqlite3 "{{ homarr_db_dir }}" "SELECT id FROM user WHERE id='user-local-admin';"
+    cmd: sqlite3 "{{ homarr_db }}" "SELECT id FROM user WHERE id='user-local-admin';"
   register: admin_exists
   changed_when: false
   failed_when: false
 
 - name: Seed Homarr database
   ansible.builtin.shell: |
-    sqlite3 "{{ homarr_db_dir }}" << 'SEEDSQL'
+    sqlite3 "{{ homarr_db }}" << 'SEEDSQL'
     BEGIN TRANSACTION;
 
     -- SERVER SETTINGS