From ab3db12fca48c92dd473f915ce79f3f0752c3d50 Mon Sep 17 00:00:00 2001
From: Simeon Keske <git@n0emis.eu>
Date: Thu, 19 Nov 2020 23:25:23 +0100
Subject: [PATCH] implement upgrade

---
 defaults/main.yml |  1 +
 tasks/main.yml    | 60 +++++++++++++++++++++++++++--------------------
 2 files changed, 36 insertions(+), 25 deletions(-)

diff --git a/defaults/main.yml b/defaults/main.yml
index f69600f..80bafbe 100644
--- a/defaults/main.yml
+++ b/defaults/main.yml
@@ -18,6 +18,7 @@ nextcloud_datadir: "/var/www/nextcloud/data"
 # nextcloud_db_password
 # nextcloud_admin_password
 
+nextcloud_config: []
 # nextcloud_config:
 #   - key: foobar
 #     value: baz
diff --git a/tasks/main.yml b/tasks/main.yml
index 34559a3..70eb08c 100644
--- a/tasks/main.yml
+++ b/tasks/main.yml
@@ -7,39 +7,25 @@
     group: "{{ nextcloud_group }}"
   loop:
     - "{{ nextcloud_directory }}"
-    - "{{ nextcloud_directory }}/nextcloud-{{ nextcloud_version }}"
+    - "{{ nextcloud_install_directory }}"
     - "{{ nextcloud_datadir }}"
 
-- name: Download Nextcloud release
-  get_url:
-    url: "{{ nextcloud_download }}"
-    dest: "{{ nextcloud_directory }}/nextcloud-{{ nextcloud_version }}.tar.bz2"
-    owner: "{{ nextcloud_user }}"
-    group: "{{ nextcloud_group }}"
+- name: Get current installed nextcloud version
+  stat:
+    path: "{{ nextcloud_directory }}/current"
+  register: nc_current
 
-- name: Extract the nextcloud release
+- name: Download and extract the nextcloud release
   become: yes
   become_user: "{{ nextcloud_user }}"
   unarchive:
-    src: "{{ nextcloud_directory }}/nextcloud-{{ nextcloud_version }}.tar.bz2"
+    src: "{{ nextcloud_download }}"
     dest: "{{ nextcloud_install_directory }}"
     remote_src: yes
     extra_opts:
       - "--strip-components=1"
+  when: not nc_current.stat.lnk_target is defined or nc_current.stat.lnk_target != nextcloud_install_directory
 
-# TODO: Detect older installed releases
-# TODO: copy old nextcloud config
-
-# TODO: only run if not newly installed and when nc should be updated
-- name: Put nextcloud into maintenance mode
-  become: yes
-  become_user: "{{ nextcloud_user }}"
-  command: "php occ maintenance:mode --on"
-  args:
-    chdir: "{{ nextcloud_directory }}/current"
-  ignore_errors: yes
-
-# TODO: only run if newly installed, then remove ignore_error
 - name: Generate nextcloud config file
   become: yes
   become_user: "{{ nextcloud_user }}"
@@ -56,8 +42,14 @@
   args:
     chdir: "{{ nextcloud_install_directory }}"
     creates: "{{ nextcloud_install_directory }}/config/config.php"
-  ignore_errors: yes
-  register: setup_nc
+  when: not nc_current.stat.lnk_target is defined
+
+- name: Copy old nextcloud config
+  copy:
+    src: "{{ nextcloud_directory }}/current/config/config.php"
+    dest: "{{ nextcloud_install_directory }}/config/config.php"
+    remote_src: yes
+  when: not nc_current.stat.lnk_target is defined or nc_current.stat.lnk_target != nextcloud_install_directory
 
 - name: Configure nextcloud
   become: yes
@@ -67,7 +59,16 @@
     chdir: "{{ nextcloud_install_directory }}"
   loop: "{{ nextcloud_config }}"
 
-# TODO: run update command
+# TODO: install apps
+
+- name: Put nextcloud into maintenance mode
+  become: yes
+  become_user: "{{ nextcloud_user }}"
+  command: "php occ maintenance:mode --on"
+  args:
+    chdir: "{{ nextcloud_directory }}/current"
+  ignore_errors: yes
+  when: nc_current.stat.lnk_target is defined and nc_current.stat.lnk_target != nextcloud_install_directory
 
 - name: Symlink current nextcloud version
   become: yes
@@ -79,6 +80,15 @@
     group: "{{ nextcloud_group }}"
     state: link
 
+- name: Put nextcloud into maintenance mode
+  become: yes
+  become_user: "{{ nextcloud_user }}"
+  command: "php occ upgrade --no-interaction"
+  args:
+    chdir: "{{ nextcloud_directory }}/current"
+  ignore_errors: yes
+  when: nc_current.stat.lnk_target is defined and nc_current.stat.lnk_target != nextcloud_install_directory
+
 - name: Take nextcloud out of maintenance mode
   become: yes
   become_user: "{{ nextcloud_user }}"