Refactor: Provision calibre-web settings

Refactor calibre-web provisioning system. Now the app.db is copy to
/library/calibre-web/config folder.

roles/calibre-web/defaults/main.yml

@@ -5,17 +5,20 @@
 calibreweb_install: False
 calibreweb_enabled: False
 
-# calibre-web folder to store its data and configuration files.
-calibreweb_home: "{{ content_base }}/calibre-web"
-
 calibreweb_port: 8083
 calibreweb_url: /calibre-web
 calibreweb_path: "{{ iiab_base }}/calibre-web"
 calibreweb_exec_path: "{{ calibreweb_path }}/cps.py"
 
+# calibre-web folder to store its data files.
+calibreweb_home: "{{ content_base }}/calibre-web"
+# calibre-web folder to store configuration files.
+calibreweb_config: "{{ calibreweb_home }}/config"
+
 # Calibre-web setup will be provisioned with default administration account, metadata.db and
 # language. You could turn this to 'False' while reinstalling/upgrading calibre-web.
 calibreweb_provision: True
+calibreweb_settings_database: app.db
 calibreweb_database: metadata.db
 
 #calibre-web system user

roles/calibre-web/tasks/main.yml

@@ -8,6 +8,7 @@
   with_items:
     - "{{ calibreweb_home }}"
     - "{{ calibreweb_path }}"
+    - "{{ calibreweb_config }}"
 
 ## TODO: Calibre-web future release might get into pypi https://github.com/janeczku/calibre-web/issues/456
 - name: Download calibre-web github repository.
@@ -38,16 +39,31 @@
     - { src: 'cps.conf.j2', dest: "{{ calibreweb_home }}/cps.conf" , mode: '0644' }
 
 
-- name: Provision calibre-web with default administration account and database.
+- name: Provision calibre-web default metadata.
   copy:
-    src: roles/calibre-web/files/metadata.db
+    src: "{{ item }}"
-    dest: "{{ calibreweb_home }}/{{ calibreweb_database }}"
+    dest: "{{ calibreweb_home }}"
+    owner: "{{ calibreweb_user }}"
+    group: "{{ apache_user }}"
+    mode: 0644
+    backup: yes
+  with_items:
+    - roles/calibre-web/files/metadata.db
+    - roles/calibre-web/files/metadata_db_prefs_backup.json
+  when: calibreweb_provision
+
+- name: Provision calibre-web with default administration settings.
+  copy:
+    src: roles/calibre-web/files/app.db
+    dest: "{{ calibreweb_config }}/{{ calibreweb_settings_database }} "
     owner: "{{ calibreweb_user }}"
     group: "{{ apache_user }}"
     mode: 0644
     backup: yes
   when: calibreweb_provision
 
+
+
 - name: Ask systemd to reread unit files (daemon-reload).
   systemd:
     daemon_reload: yes

roles/calibre-web/templates/calibre-web.service.j2

@@ -3,9 +3,10 @@ Description=Calibre-Web
 [Service]
 Type=simple
 User={{ calibreweb_user }}
-EnvironmentFile={{ calibreweb_home }}/cps.conf
+#EnvironmentFile={{ calibreweb_home }}/cps.conf
-ExecStart=/usr/bin/python {{ calibreweb_exec_path }} $ARG1 $ARG2
+#WorkingDirectory={{ calibreweb_path }}
-WorkingDirectory={{ calibreweb_path }}
+ExecStart=/usr/bin/python {{ calibreweb_exec_path }} -p {{ calibreweb_home }}/{{ calibreweb_settings_database }}
+
 
 [Install]
 WantedBy=multi-user.target