Implemented cleanup procedure for failed backups

roles/backups-consumer/handlers/main.yml

@@ -1,12 +1,11 @@
 - name: "reload pull-remote-backups service"
   systemd:
     name: pull-remote-backups.service
-    state: reloaded
     enabled: yes
     daemon_reload: yes
 - name: "restart pull-remote-backups timer"
   systemd:
     name: pull-remote-backups.timer
-    state: restarted
+    state: started
     enabled: yes
     daemon_reload: yes

roles/backups-consumer/meta/main.yml

@@ -2,3 +2,4 @@ dependencies:
   - git
   - systemd_notifier
   - backups-cleanup-timer
+  - docker-volume-backup-cleanup

roles/backups-consumer/templates/pull-remote-backups.service.j2

@@ -1,6 +1,6 @@
 [Unit]
 Description=pull remote backups
-OnFailure=systemd-notifier@%n.service
+OnFailure=systemd-notifier@%n.service docker-volume-backup-cleanup.service
 
 [Service]
 Type=oneshot

roles/docker-nextcloud/README.md

@@ -1,18 +1,21 @@
 # role docker-nextcloud
 
-## precondition
-
-Before executing cli commands the following variable needs to be set:
-
+## modify config
+Enter container:
 ```bash
-NEXTCLOUD_APPLICATION_DOCKER_CONTAINER=nextcloud-application-1
+  docker-compose exec -it application /bin/sh
+```
+
+Afterwards modify config:
+```bash
+apk add --no-cache nano && nano config/config.php
 ```
 
 ## update
 
 To update the nextcloud container execute the following commands on the server:
 ```bash
-  docker exec -it -u www-data $NEXTCLOUD_APPLICATION_DOCKER_CONTAINER /var/www/html/occ maintenance:mode --on &&
+  docker-compose exec -it -u www-data application /var/www/html/occ maintenance:mode --on &&
   export COMPOSE_HTTP_TIMEOUT=600 &&
   export DOCKER_CLIENT_TIMEOUT=600 &&
   docker-compose down
@@ -27,27 +30,27 @@ Wait for the update to finish.
 You can verify that the update is finished by checking the following logs:
 
 ```bash
-docker logs $NEXTCLOUD_APPLICATION_DOCKER_CONTAINER
+docker-compose logs application
 ```
 
 and
 
 ```bash
-docker exec -it $NEXTCLOUD_APPLICATION_DOCKER_CONTAINER top
+docker-compose exec -it application top
 ```
 
 If nextcloud stays in the maintenance mode after the update try the following:
 
 ```bash
-  docker exec -it -u www-data $NEXTCLOUD_APPLICATION_DOCKER_CONTAINER /var/www/html/occ maintenance:mode --on
-  docker exec -it -u www-data $NEXTCLOUD_APPLICATION_DOCKER_CONTAINER /var/www/html/occ upgrade
-  docker exec -it -u www-data $NEXTCLOUD_APPLICATION_DOCKER_CONTAINER /var/www/html/occ maintenance:mode --off
+  docker-compose exec -it -u www-data application /var/www/html/occ maintenance:mode --on
+  docker-compose exec -it -u www-data application /var/www/html/occ upgrade
+  docker-compose exec -it -u www-data application /var/www/html/occ maintenance:mode --off
 ```
 
 If the update process fails execute
 
 ```bash
-  docker exec -it -u www-data $NEXTCLOUD_APPLICATION_DOCKER_CONTAINER /var/www/html/occ maintenance:repair
+  docker-compose exec -it -u www-data application /var/www/html/occ maintenance:repair
 ```
 
 and disable the not functioning apps.
@@ -56,7 +59,7 @@ and disable the not functioning apps.
 ```bash
 cd {{path_docker_compose_files}}nextcloud &&
 docker-compose down &&
-docker exec -i nextcloud_database_1 mysql -u nextcloud -pPASSWORT nextcloud < "/Backups/$(sha256sum /etc/machine-id | head -c 64)/docker-volume-backup/latest/nextcloud_database/sql/backup.sql" &&
+docker-compose exec -i database mysql -u nextcloud -pPASSWORT nextcloud < "/Backups/$(sha256sum /etc/machine-id | head -c 64)/docker-volume-backup/latest/nextcloud_database/sql/backup.sql" &&
 cd {{path_administrator_scripts}}docker-volume-backup &&
 bash ./docker-volume-recover.sh "nextcloud_data" "$(sha256sum /etc/machine-id | head -c 64)"
 ```
@@ -65,12 +68,12 @@ bash ./docker-volume-recover.sh "nextcloud_data" "$(sha256sum /etc/machine-id |
 ### database access
 To access the database execute
 ```bash
-  docker exec -it nextcloud_database_1 mysql -u nextcloud -D nextcloud -p
+  docker-compose exec -it database mysql -u nextcloud -D nextcloud -p
 ```
 
 ### recreate database with new volume:
 ```bash
-docker run --detach --name nextcloud_database_1 --env MYSQL_USER="nextcloud" --env MYSQL_PASSWORD=PASSWORD --env MYSQL_ROOT_PASSWORD=PASSWORD --env MYSQL_DATABASE="nextcloud" -v nextcloud_database:/var/lib/mysql
+docker-compose run --detach --name database --env MYSQL_USER="nextcloud" --env MYSQL_PASSWORD=PASSWORD --env MYSQL_ROOT_PASSWORD=PASSWORD --env MYSQL_DATABASE="nextcloud" -v nextcloud_database:/var/lib/mysql
 ```
 
 The process can be checked with:
@@ -84,7 +87,7 @@ show processlist;
 To use occ run:
 
 ```bash
-  docker exec -it -u www-data $NEXTCLOUD_APPLICATION_DOCKER_CONTAINER /var/www/html/occ
+  docker-compose exec -it -u www-data application /var/www/html/occ
 ```
 
 ## app relevant tables
@@ -94,14 +97,14 @@ To use occ run:
 ### initialize duplicates
 
 ```bash
-  sudo docker exec -it -u www-data $NEXTCLOUD_APPLICATION_DOCKER_CONTAINER /var/www/html/occ duplicates:find-all --output
+  docker-compose exec -it -u www-data application /var/www/html/occ duplicates:find-all --output
 ```
 
 ### unlock files
 ```bash
-  docker exec -it -u www-data $NEXTCLOUD_APPLICATION_DOCKER_CONTAINER /var/www/html/occ maintenance:mode --on
-  docker exec -it nextcloud_database_1 mysql -u nextcloud -pPASSWORD1234132 -D nextcloud -e "delete from oc_file_locks where 1"
-  docker exec -it -u www-data $NEXTCLOUD_APPLICATION_DOCKER_CONTAINER /var/www/html/occ maintenance:mode --off
+  docker-compose exec -it -u www-data application /var/www/html/occ maintenance:mode --on
+  docker-compose exec -it nextcloud_database_1 mysql -u nextcloud -pPASSWORD1234132 -D nextcloud -e "delete from oc_file_locks where 1"
+  docker-compose exec -it -u www-data application /var/www/html/occ maintenance:mode --off
 ```
 
 ## architecture
@@ -112,7 +115,7 @@ Until NC24 MariaDB version has to be used.
 ### 504 Gateway Timeout
 
 ```bash
-  docker logs nextcloud_web_1 --tail 1000 | grep 504
+  docker-compose logs web --tail 1000 | grep 504
 ```
 
 #### See

roles/docker-nextcloud/templates/nextcloud.conf.j2

@@ -7,6 +7,9 @@ server
   # Remove X-Powered-By, which is an information leak
   fastcgi_hide_header X-Powered-By;
 
+  # Set X-Robots-Tag to noindex, nofollow on all responses
+  add_header X-Robots-Tag "noindex, nofollow";
+
   # set max upload size
   client_max_body_size 10G;
   client_body_buffer_size 400M;

roles/docker-nextcloud/templates/nginx.conf.j2

@@ -61,13 +61,13 @@ http {
         #pagespeed off;
 
         # HTTP response headers borrowed from Nextcloud `.htaccess`
-        add_header Referrer-Policy                      "no-referrer"   always;
-        add_header X-Content-Type-Options               "nosniff"       always;
-        add_header X-Download-Options                   "noopen"        always;
-        add_header X-Frame-Options                      "SAMEORIGIN"    always;
-        add_header X-Permitted-Cross-Domain-Policies    "none"          always;
-        add_header X-Robots-Tag                         "none"          always;
-        add_header X-XSS-Protection                     "1; mode=block" always;
+        add_header Referrer-Policy                      "no-referrer"           always;
+        add_header X-Content-Type-Options               "nosniff"               always;
+        add_header X-Download-Options                   "noopen"                always;
+        add_header X-Frame-Options                      "SAMEORIGIN"            always;
+        add_header X-Permitted-Cross-Domain-Policies    "none"                  always;
+        add_header X-Robots-Tag                         "noindex, nofollow"     always;
+        add_header X-XSS-Protection                     "1; mode=block"         always;
 
         # Remove X-Powered-By, which is an information leak
         fastcgi_hide_header X-Powered-By;

roles/docker-volume-backup-cleanup/README.md

@@ -0,0 +1,3 @@
+# Docker Volume Backup Cleanup
+This script cleans up failed docker backups.
+It uses https://github.com/kevinveenbirkenbach/docker-volume-backup-cleanup as base.

roles/docker-volume-backup-cleanup/handlers/main.yml

@@ -0,0 +1,5 @@
+- name: "reload docker-volume-backup-cleanup.service daemon"
+  systemd:
+    name: docker-volume-backup-cleanup.service
+    enabled: yes
+    daemon_reload: yes

roles/docker-volume-backup-cleanup/meta/main.yml

@@ -0,0 +1,3 @@
+dependencies:
+  - git
+  - systemd_notifier

roles/docker-volume-backup-cleanup/tasks/main.yml

@@ -0,0 +1,18 @@
+- name: pull docker-volume-backup-cleanup.git
+  git:
+    repo: "https://github.com/kevinveenbirkenbach/docker-volume-backup-cleanup.git"
+    dest: "{{docker_volume_backup_cleanup_folder}}"
+    update: yes
+  register: git_result
+  ignore_errors: true
+
+- name: Warn if repo is not reachable
+  debug:
+    msg: "Warning: Repository is not reachable."
+  when: git_result.failed
+
+- name: configure docker-volume-backup-cleanup.service
+  template: 
+    src: docker-volume-backup-cleanup.service.j2
+    dest: /etc/systemd/system/docker-volume-backup-cleanup.service
+  notify: reload docker-volume-backup-cleanup.service daemon

roles/docker-volume-backup-cleanup/templates/docker-volume-backup-cleanup.service.j2

@@ -0,0 +1,7 @@
+[Unit]
+Description=Cleans up failed docker volume backups
+OnFailure=systemd-notifier@%n.service
+
+[Service]
+Type=oneshot
+ExecStart=/bin/sh -c '/usr/bin/yes | /usr/bin/bash {{docker_volume_backup_cleanup_folder}}cleanup.sh {{docker_volume_backup_cleanup_machine_id}} {{docker_volume_backup_cleanup_trigger_directory}}'

roles/docker-volume-backup-cleanup/vars/main.yml

@@ -0,0 +1 @@
+docker_volume_backup_cleanup_folder: "{{path_administrator_scripts}}docker-volume-backup-cleanup/"

roles/docker-volume-backup/handlers/main.yml

@@ -1,12 +1,12 @@
 - name: "reload docker-volume-backup.service"
   systemd:
     name: docker-volume-backup.service
-    state: reloaded
     enabled: yes
     daemon_reload: yes
+
 - name: "restart docker-volume-backup.timer"
   systemd:
     name: docker-volume-backup.timer
-    state: restarted
+    state: started
     enabled: yes
     daemon_reload: yes

roles/docker-volume-backup/meta/main.yml

@@ -2,3 +2,4 @@ dependencies:
   - git
   - backups-provider
   - systemd_notifier
+  - docker-volume-backup-cleanup

roles/docker-volume-backup/templates/docker-volume-backup.service.j2

@@ -1,6 +1,6 @@
 [Unit]
 Description=docker volume backup
-OnFailure=systemd-notifier@%n.service
+OnFailure=systemd-notifier@%n.service docker-volume-backup-cleanup.service
 
 [Service]
 Type=oneshot