Add dokuwiki role

For an Alpine Linux VM.

roles/dokuwiki/tasks/main.yml

@@ -0,0 +1,69 @@
+- name: Set dokuwiki version
+  set_fact:
+    dokuwiki_version: 2023-04-04a
+
+- name: Enable community package repo
+  lineinfile:
+    path: /etc/apk/repositories
+    regexp: '^# *(http.*/v[^/]*/community)'
+    line: '\1'
+    backrefs: yes
+  register: result
+
+- name: Update package cache
+  package:
+    update_cache: true
+  when: result.changed
+
+- name: Set up nginx
+  import_tasks: nginx.yml
+
+- name: Set up PHP
+  import_tasks: php.yml
+
+- name: Install packages
+  package:
+    name: php-openssl,php-session,php-xml
+
+- name: Get current dokuwiki version if any
+  lineinfile:
+    path: /srv/http/doku.fri.uni-lj.si/VERSION
+    search_string: '{{ dokuwiki_version }}'
+    state: absent
+  check_mode: true
+  changed_when: false
+  register: current_version
+
+- name: Install or upgrade dokuwiki
+  when: 'current_version.found|default(0) == 0'
+  block:
+  - name: Download dokuwiki tarball
+    get_url:
+      url: 'https://download.dokuwiki.org/src/dokuwiki/dokuwiki-{{ dokuwiki_version }}.tgz'
+      dest: /var/tmp/
+
+  - name: Unpack tarball
+    command: 'tar xvf dokuwiki-{{ dokuwiki_version }}.tgz'
+    args:
+      chdir: /var/tmp
+
+  - name: Copy dokuwiki files
+    copy:
+      dest: /srv/http/doku.fri.uni-lj.si/
+      src: '/var/tmp/dokuwiki-{{ dokuwiki_version }}/'
+      remote_src: true
+      owner: nginx
+      group: nginx
+
+- name: Copy user style overrides
+  copy:
+    dest: /srv/http/doku.fri.uni-lj.si/conf/
+    src: userstyle.css
+    owner: nginx
+    group: nginx
+
+- name: Create nginx site
+  template:
+    dest: /etc/nginx/http.d/doku.fri.uni-lj.si.conf
+    src: doku.fri.uni-lj.si.conf.j2
+  notify: reload nginx