Fix Ansible installation, add uninstall playbook

ansible/lemmy.yml

@@ -29,12 +29,15 @@
       - { path: '/lemmy/' }
       - { path: '/lemmy/volumes/' }
 
-  - name:  add all template files
-    template: src={{item.src}} dest={{item.dest}}
+  - block:
+    - name:  add template files
+      template: src={{item.src}} dest={{item.dest}} mode={{item.mode}}
       with_items:
-      - { src: '../docker/prod/docker-compose.yml', dest: '/lemmy/docker-compose.yml' }
-      - { src: 'templates/config.hjson', dest: '/lemmy/lemmy.hjson' }
-      - { src: 'templates/nginx.conf', dest: '/etc/nginx/sites-enabled/lemmy.conf' }
+        - { src: 'templates/docker-compose.yml', dest: '/lemmy/docker-compose.yml', mode: '0600' }
+        - { src: 'templates/nginx.conf', dest: '/etc/nginx/sites-enabled/lemmy.conf', mode: '0644' }
+
+    - name:  add config file (only during initial setup)
+      template: src='templates/config.hjson' dest='/lemmy/lemmy.hjson' mode='0600' force='no' owner='1000' group='1000'
     vars:
       postgres_password: "{{ lookup('password', 'passwords/{{ inventory_hostname }}/postgres chars=ascii_letters,digits') }}"
       jwt_password: "{{ lookup('password', 'passwords/{{ inventory_hostname }}/jwt chars=ascii_letters,digits') }}"

ansible/templates/docker-compose.yml

@@ -0,0 +1,35 @@
+version: '3.3'
+
+services:
+  lemmy:
+    image: dessalines/lemmy:v0.6.5
+    ports:
+      - "127.0.0.1:8536:8536"
+    restart: always
+    volumes:
+      - ./lemmy.hjson:/config/config.hjson:ro
+    depends_on:
+      - lemmy_db
+      - lemmy_pictshare
+
+  lemmy_db:
+    image: postgres:12-alpine
+    environment:
+      - POSTGRES_USER=lemmy
+      - POSTGRES_PASSWORD={{ postgres_password }}
+      - POSTGRES_DB=lemmy
+    volumes:
+      - lemmy_db:/var/lib/postgresql/data
+    restart: always
+
+  lemmy_pictshare:
+    image: shtripok/pictshare:latest
+    ports:
+      - "127.0.0.1:8537:80"
+    volumes:
+      - lemmy_pictshare:/usr/share/nginx/html/data
+    restart: always
+
+volumes:
+  lemmy_db:
+  lemmy_pictshare:

ansible/uninstall.yml

@@ -0,0 +1,48 @@
+---
+- hosts: all
+
+  vars_prompt:
+
+    - name: confirm_uninstall
+      prompt: "Do you really want to uninstall Lemmy? This will delete all data and can not be reverted [yes/no]"
+      private: no
+
+    - name: delete_certs
+      prompt: "Delete certificates? Select 'no' if you want to reinstall Lemmy [yes/no]"
+      private: no
+
+  tasks:
+  - name: end play if no confirmation was given
+    debug:
+      msg: "Uninstall cancelled, doing nothing"
+    when: not confirm_uninstall|bool
+
+  - meta: end_play
+    when: not confirm_uninstall|bool
+
+  - name: stop docker-compose
+    docker_compose:
+      project_src: /lemmy/
+      state: absent
+
+  - name: delete data
+    file: path={{item.path}} state=absent
+    with_items:
+      - { path: '/lemmy/' }
+      - { path: '/etc/nginx/sites-enabled/lemmy.conf' }
+
+  - name: Remove a volume
+    docker_volume: name={{item.name}} state=absent
+    with_items:
+      - { name: 'lemmy_lemmy_db' }
+      - { name: 'lemmy_lemmy_pictshare' }
+
+  - name: delete entire ecloud folder
+    file: path='/mnt/repo-base/' state=absent
+    when: delete_certs|bool
+
+  - name: remove certbot cronjob
+    cron:
+      name=certbot-renew-lemmy
+      state=absent
+