Become PHP version agnostic by getting the fact in an earlier role

This introduces a dependency for system_fixes but to prevent unwanted
linkage this is left up to the user.

Author: vmcj

provision-contest/ansible/roles/domserver/tasks/main.yml

@@ -40,15 +40,15 @@
 
 - name: set PHP timezone for FPM
   lineinfile:
-    dest: /etc/php/7.4/fpm/php.ini
+    dest: "/etc/php/{{ php_version.stdout }}/fpm/php.ini"
     state: present
     regexp: 'date\.timezone\s*='
     line: 'date.timezone = {{ TIMEZONE }}'
 
 - name: enable PHP modules
   command: phpenmod {{ item }}
   args:
-    creates: /etc/php/7.4/fpm/conf.d/20-{{ item }}.ini
+    creates: "/etc/php/{{ php_version.stdout }}/fpm/conf.d/20-{{ item }}.ini"
   loop:
     - zip
     - intl
@@ -86,15 +86,15 @@
 
 - name: symlink domjudge FPM conf
   file:
-    path: /etc/php/7.4/fpm/pool.d/domjudge.conf
+    path: "/etc/php/{{ php_version.stdout }}/fpm/pool.d/domjudge.conf"
     src: "{{ DJ_DIR }}/etc/domjudge-fpm.conf"
     state: link
     force: true
   notify: restart PHP FPM
 
 - name: set PHP settings
   lineinfile:
-    dest: /etc/php/7.4/fpm/pool.d/domjudge.conf
+    dest: "/etc/php/{{ php_version.stdout }}/fpm/pool.d/domjudge.conf"
     regexp: "{{ item.regexp }}"
     line: "{{ item.key }} = {{ item.value }}"
   loop:

provision-contest/ansible/roles/system_fixes/tasks/main.yml

@@ -1,13 +1,18 @@
 ---
 # These tasks perform miscellaneous fixes to the base system.
 
+- name: Check installed PHP version
+  command: php -r 'echo PHP_MAJOR_VERSION.".".PHP_MINOR_VERSION;'
+  register: php_version
+  changed_when: false
+
 - name: set timezone
   timezone:
     name: "{{ TIMEZONE }}"
 
 - name: set PHP timezone for CLI
   lineinfile:
-    dest: /etc/php/7.4/cli/php.ini
+    dest: "/etc/php/{{ php_version.stdout }}/cli/php.ini"
     state: present
     regexp: 'date\.timezone\s*='
     line: 'date.timezone = {{ TIMEZONE }}'