kimai: Add argspec, sane defaults, upgrade if requested, fixes

roles/kimai/tasks/main.yaml

@@ -1,33 +1,33 @@
 ---
-
 - name: Clone kimai git repo
   ansible.builtin.git:
     repo: "https://github.com/kevinpapst/kimai2.git"
     dest: "{{ kimai_installdir }}"
     version: main
+    update: "{{ kimai_upgrade }}"
 
 - name: Install kimai dependencies using composer
   community.general.composer:
     working_dir: "{{ kimai_installdir }}"
     composer_executable: "{{ composer_path | default(omit) }}"
-    executable: "{{ kimai_php_executable | default(omit) }}"
+    executable: "{{ kimai_php_executable }}"
 
 - name: Configure kimai database
   ansible.builtin.lineinfile:
     path: "{{ kimai_installdir }}/.env"
     regexp: "^DATABASE_URL=.*$"
     line: "\
-      DATABASE_URL=mysql://{{ kimai_db_user | default(kimai_db) }}:{{ kimai_db_pw }}\
+      DATABASE_URL=mysql://{{ kimai_db_user }}:{{ kimai_db_pw }}\
       @{{ kimai_db_host | default('localhost') }}:3306/{{ kimai_db }}\
-      ?charset=utf8&serverVersion={{ kimai_db_server }}"
+      ?charset=utf8&serverVersion={{ kimai_db_server_version }}"
 
 - name: Run kimai install script
-  ansible.builtin.command: "{{ kimai_php_executable + ' ' if kimai_php_executable is defined else '' }}bin/console kimai:install -n"
+  ansible.builtin.command: "{{ kimai_php_executable ~ ' ' }}bin/console kimai:install -n"
   args:
     chdir: "{{ kimai_installdir }}"
   register: kimai_install
   changed_when: "'[OK] Already at the latest version' not in kimai_install.stdout"
-  failed_when: "'[OK] Congratulations! Successfully installed Kimai' not in kimai_install.stdout"
+  failed_when: "'[OK] Successfully installed Kimai' not in kimai_install.stdout"
 
 - name: Add symlink to kimai public in webroot
   ansible.builtin.file: