Merge pull request 'Add dokuwiki setup' (!37) from dokuwiki into master

Reviewed-on: https://gitea.n39.eu/Netz39_Admin/netz39-infra-ansible/pulls/37

tau.yml

@@ -8,6 +8,10 @@
     docker_registry_port: 5000 # this is the reg standard port
     docker_registry_domain: "docker.n39.eu"
 
+    dokuwiki_domain: "wiki.netz39.de"
+    dokuwiki_port: 9005
+    dokuwiki_image: "docker.io/bitnami/dokuwiki:20200729"
+
   roles:
     - role: docker_setup
     - role: apache
@@ -35,6 +39,8 @@
             deploy_challenge_hook: "/bin/systemctl restart apache2"
           - name: "{{ docker_registry_domain }}"
             deploy_challenge_hook: "/bin/systemctl restart apache2"
+          - name: "{{ dokuwiki_domain }}"
+            deploy_challenge_hook: "/bin/systemctl restart apache2"
 
     - name: Setup proxy site testredmine.netz39.de
       include_role:
@@ -105,3 +111,41 @@
       vars:
         site_name: "{{ docker_registry_domain }}"
         proxy_port: "{{ docker_registry_port }}"
+
+
+    - name: Check if Dokuwiki data dir exists
+      ansible.builtin.stat:
+        path: "/srv/docker/dokuwiki"
+      register: dokuwiki_dir
+    - name: Fail if Dokuwiki data dir does not exist
+      ansible.builtin.fail:
+        msg: "Dokuwiki data dir is missing, please restore from the backup!"
+      when: not dokuwiki_dir.stat.exists
+
+    - name: Set correct user for Dokuwiki data
+      ansible.builtin.file:
+        path: "/srv/docker/dokuwiki"
+        owner: "1001"  # According to container config
+        recurse: yes
+
+    - name: Setup Dokuwiki Container
+      docker_container:
+        name: dokuwiki
+        image: "{{ dokuwiki_image }}"
+        pull: true
+        state: started
+        restart_policy: unless-stopped
+        detach: yes
+        ports:
+        - 127.0.0.1:{{ dokuwiki_port }}:{{ 8080 }}
+        # env: No env here, because we copy the data
+        # and the container will never be created from scratch.
+        volumes:
+        - "/srv/docker/dokuwiki:/bitnami/dokuwiki:rw"
+
+    - name: Setup proxy site for Dokuwiki
+      include_role:
+        name: setup-http-site-proxy
+      vars:
+        site_name: "{{ dokuwiki_domain }}"
+        proxy_port: "{{ dokuwiki_port }}"