Introduce Nextcloud role and deploy Cloud on Chaosknoten

Co-authored-by: Max <max@mlem.cloud>

playbooks/roles/nextcloud/tasks/main.yaml

@@ -1,9 +1,58 @@
 ---
-- name: Nextcloud config
+- name: wait for existence of config directory
+  ansible.builtin.wait_for:
+    path: /ansible_docker_compose/nextcloud_var_www_html/config
+    state: present
   become: true
+
+- name: extra Nextcloud configuration
   ansible.builtin.copy:
-    content: "{{ nextcloud__config_php }}"
-    dest: "/data/docker/volumes/nextcloud/config/config.php"
+    content: "{{ nextcloud__extra_configuration }}"
+    dest: /ansible_docker_compose/nextcloud_var_www_html/config/ansible_nextcloud_extra_config.config.php
     mode: "0644"
     owner: www-data
     group: www-data
+  become: true
+
+- name: fail, if nextcloud__use_custom_new_user_skeleton is set, but nextcloud__custom_new_user_skeleton_directory isn't
+  ansible.builtin.fail:
+    msg: If you set nextcloud__use_custom_new_user_skeleton, you also need to set nextcloud__custom_new_user_skeleton_directory.
+  when: nextcloud__use_custom_new_user_skeleton and nextcloud__custom_new_user_skeleton_directory == ""
+
+- name: ensure custom new user skeleton
+  when: nextcloud__use_custom_new_user_skeleton
+  block:
+    - name: ensure `rsync` package is installed
+      ansible.builtin.apt:
+        name: rsync
+        state: present
+      become: true
+
+    - name: ensure custom new user skeleton directory
+      ansible.posix.synchronize:
+        src: "{{ nextcloud__custom_new_user_skeleton_directory }}"
+        dest: /ansible_docker_compose/custom_new_user_skeleton
+        delete: true
+        recursive: true
+        use_ssh_args: true
+      become: true
+
+    - name: ensure custom new user skeleton config
+      ansible.builtin.copy:
+        content: |
+          <?php
+          $CONFIG = array (
+              'skeletondirectory' => '/custom_new_user_skeleton'
+          );
+        dest: /ansible_docker_compose/nextcloud_var_www_html/config/ansible_nextcloud_custom_new_user_skeleton.config.php
+        mode: "0644"
+        owner: www-data
+        group: www-data
+      become: true
+
+- name: ensure absence of custom new user skeleton config
+  ansible.builtin.file:
+    path: /ansible_docker_compose/nextcloud_var_www_html/config/ansible_nextcloud_custom_new_user_skeleton.config.php
+    state: absent
+  become: true
+  when: not nextcloud__use_custom_new_user_skeleton