server/nextcloud: Add extract_app_list helper script

roles/server/nextcloud/defaults/main.yml

@@ -13,6 +13,7 @@ nextcloud_release_remote_signature: "{{ nextcloud_release_remote }}.asc"
 user_directory: "{{ global_webservers_directory }}/{{ domain }}"
 nextcloud_installation_directory: "{{ user_directory }}/nextcloud" # directory name of inside downloaded tar zip
 nextcloud_data_directory: "{{ user_directory }}/data"
+scripts_directory: "{{ user_directory }}/scripts"
 
 nextcloud_keyring: "{{ user_directory }}/nextcloud.gpg"
 nextcloud_release_file: "{{ user_directory }}/nextcloud.tar.bz2"

roles/server/nextcloud/tasks/main.yml

@@ -91,6 +91,24 @@
   tags:
     - nextcloud_config
 
+- name: Create scripts directories
+  file:
+    state: directory
+    path: "{{ scripts_directory }}"
+    owner: "{{ system_user }}"
+    group: "{{ system_user }}"
+    mode: "u=rwx,g=rx,o="
+
+- name: Install helper scripts
+  template:
+    src: "scripts/{{ item }}"
+    dest: "{{ scripts_directory }}/{{ item }}"
+    owner: "{{ system_user }}"
+    group: "{{ system_user }}"
+    mode: "u=rwx,g=rx,o="
+  loop:
+    - extract_app_list.py
+
 - name: Install Nextcloud apps
   become_user: "{{ system_user }}"
   command: >-

roles/server/nextcloud/templates/scripts/extract_app_list.py

@@ -0,0 +1,33 @@
+#!/usr/bin/env python3
+
+import getpass
+import subprocess
+import json
+import sys
+
+NC_USER = """{{ system_user }}"""
+NC_INSTALL_DIR = """{{ nextcloud_installation_directory }}"""
+
+if __name__ == "__main__":
+    args_list = [
+        "/usr/bin/env",
+        "php",
+        "occ",
+        "app:list",
+        "--output=json"
+    ]
+    if getpass.getuser() != NC_USER:
+        args_list = [
+            "sudo",
+            "-u", NC_USER,
+        ] + args_list
+    try:
+        proc = subprocess.run(args_list, capture_output=True, check=True, cwd=NC_INSTALL_DIR, text=True)
+    except subprocess.CalledProcessError as e:
+        print(e.stderr, file=sys.stderr)
+        raise e
+    apps_nc = json.loads(proc.stdout)
+    for name, apps in reversed(sorted(apps_nc.items())):
+        print(f"{name}_apps_list:")
+        for app_name in apps:
+            print(f"  - {app_name}")