add borgbackup-viewer community container

Signed-off-by: Simon L. <szaimen@e.mail.de>

community-containers/borgbackup-viewer/borgbackup-viewer.json

@@ -0,0 +1,70 @@
+{
+    "aio_services_v1": [
+        {
+            "container_name": "nextcloud-aio-borgbackup-viewer",
+            "image_tag": "v1",
+            "display_name": "Borg Backup Viewer",
+            "documentation": "https://github.com/nextcloud/all-in-one/tree/main/community-containers/borgbackup-viewer",
+            "image": "szaimen/aio-borgbackup-viewer",
+            "internal_port": "5801",
+            "ports": [
+                {
+                  "ip_binding": "",
+                  "port_number": "5801",
+                  "protocol": "tcp"
+                }
+            ],
+            "environment": [
+                "BORG_HOST_ID=nextcloud-aio-borgbackup-viewer",
+                "WEB_AUTHENTICATION_USERNAME=nextcloud",
+                "WEB_AUTHENTICATION_PASSWORD=%BORGBACKUP_VIEWER_PASSWORD%",
+                "WEB_LISTENING_PORT=5801",
+                "BORG_PASSPHRASE=%BORGBACKUP_PASSWORD%",
+                "BORG_REPO=/mnt/borgbackup/borg"
+            ],
+            "secrets": [
+                "BORGBACKUP_VIEWER_PASSWORD",
+                "BORGBACKUP_PASSWORD"
+            ],
+            "volumes": [
+            {
+                "source": "nextcloud_aio_backup_cache",
+                "destination": "/root",
+                "writeable": true
+            },
+            {
+                "source": "%NEXTCLOUD_DATADIR%",
+                "destination": "/nextcloud_aio_volumes/nextcloud_aio_nextcloud_data",
+                "writeable": true
+            },
+            {
+                "source": "nextcloud_aio_mastercontainer",
+                "destination": "/nextcloud_aio_volumes/nextcloud_aio_mastercontainer",
+                "writeable": true
+            },
+            {
+                "source": "%BORGBACKUP_HOST_LOCATION%",
+                "destination": "/mnt/borgbackup",
+                "writeable": true
+            },
+            {
+                "source": "nextcloud_aio_elasticsearch",
+                "destination": "/nextcloud_aio_volumes/nextcloud_aio_elasticsearch",
+                "writeable": true
+            },
+            {
+                "source": "nextcloud_aio_redis",
+                "destination": "/mnt/redis",
+                "writeable": true
+            }
+            ],
+            "devices": [
+                "/dev/fuse"
+            ],
+            "cap_add": [
+                "SYS_ADMIN"
+            ],
+            "apparmor_unconfined": true
+        }
+    ]
+}

community-containers/borgbackup-viewer/readme.md

@@ -0,0 +1,17 @@
+## Borgbackup Viewer
+This container allows to view the local borg repository in a web session. It also allows you to restore files and folders from the backup by using desktop programs in a web browser.
+
+### Notes
+- After adding and starting the container, you need to visit `https://ip.address.of.this.server:5801` in order to log in with the user `nextcloud` and the password that you can retrieve when running `sudo docker inspect nextcloud-aio-borgbackup-viewer | grep WEB_AUTHENTICATION_PASSWORD`. (It uses a self-signed certificate, so you need to accept the warning).
+- Then, you should see a terminal. There type in `borg mount /mnt/borgbackup/borg /tmp/borg` to mount the backup archive at `/tmp/borg` inside the container. Afterwards type in `nautilus /tmp/borg` which will show a file explorer and allows you to see all the files. You can then copy files and folders back to their initial mountpoints inside `/nextcloud_aio_volumes/`, `/host_mounts/` and `/docker_volumes/`. ⚠️ Be very carefully while doing that as can break your instance!
+- After you are done with the operation, click on the terminal in the background and press `[CTRL]+[c]` multiple times to close any open application. Then run `umount /tmp/borg` to unmount the mountpoint correctly.
+- You can also delete specific archives by running `borg list`,  delete a specific archive e.g. via `borg delete --stats --progress "::20220223_174237-nextcloud-aio"` and compact the archives via `borg compact`. After doing so, make sure to update the backup archives list in the AIO interface! You can do so by clicking on the `Check backup integrity` button or `Create backup` button.
+- ⚠️ After you are done doing your operations, remove the container for better security again from the stack: https://github.com/nextcloud/all-in-one/tree/main/community-containers#how-to-remove-containers-from-aios-stack
+- See https://github.com/nextcloud/all-in-one/tree/main/community-containers#community-containers how to add it to the AIO stack
+
+### Repository
+https://github.com/szaimen/aio-borgbackup-viewer
+
+### Maintainer
+https://github.com/szaimen
+

php/src/Docker/DockerActionManager.php

@@ -541,19 +541,23 @@ readonly class DockerActionManager {
         $mounts = [];
 
         // Special things for the backup container which should not be exposed in the containers.json
-        if ($container->GetIdentifier() === 'nextcloud-aio-borgbackup') {
+        if (str_starts_with($container->GetIdentifier(), 'nextcloud-aio-borgbackup')) {
             // Additional backup directories
             foreach ($this->getAllBackupVolumes() as $additionalBackupVolumes) {
                 if ($additionalBackupVolumes !== '') {
                     $mounts[] = ["Type" => "volume", "Source" => $additionalBackupVolumes, "Target" => "/nextcloud_aio_volumes/" . $additionalBackupVolumes, "ReadOnly" => false];
                 }
             }
+
+            // Make volumes read only in case of borgbackup container. The viewer makes them writeable
+            $isReadOnly = $container->GetIdentifier() === 'nextcloud-aio-borgbackup';
+
             foreach ($this->configurationManager->GetAdditionalBackupDirectoriesArray() as $additionalBackupDirectories) {
                 if ($additionalBackupDirectories !== '') {
                     if (!str_starts_with($additionalBackupDirectories, '/')) {
-                        $mounts[] = ["Type" => "volume", "Source" => $additionalBackupDirectories, "Target" => "/docker_volumes/" . $additionalBackupDirectories, "ReadOnly" => true];
+                        $mounts[] = ["Type" => "volume", "Source" => $additionalBackupDirectories, "Target" => "/docker_volumes/" . $additionalBackupDirectories, "ReadOnly" => $isReadOnly];
                     } else {
-                        $mounts[] = ["Type" => "bind", "Source" => $additionalBackupDirectories, "Target" => "/host_mounts" . $additionalBackupDirectories, "ReadOnly" => true, "BindOptions" => ["NonRecursive" => true]];
+                        $mounts[] = ["Type" => "bind", "Source" => $additionalBackupDirectories, "Target" => "/host_mounts" . $additionalBackupDirectories, "ReadOnly" => $isReadOnly, "BindOptions" => ["NonRecursive" => true]];
                     }
                 }
             }

php/templates/containers.twig

@@ -504,6 +504,9 @@
                                         {% endif %}
 
                                         {% if has_backup_run_once == true %}
+                                            <h3>Backup Viewer</h3>
+                                            <p>There is now a community container that allows to access your backups in a web session. See <a href="https://github.com/nextcloud/all-in-one/tree/main/community-containers/borgbackup-viewer"><strong>this documentation</strong></a>.</p>
+
                                             <h3>Backup check</h3>
                                             <p>Click on the button below to perform a backup integrity check. This is an option that verifies that your backup is intact. It shouldn't be needed in most situations.</p>
                                             <form method="POST" action="/api/docker/backup-check" class="xhr">

readme.md

@@ -493,6 +493,9 @@ In this example, it would mount `E:\your\backup\path` into the volume so for a d
 #### Pro-tip: Backup archives access
 You can open the BorgBackup archives on your host by following these steps:<br>
 (instructions for Ubuntu Desktop)
+
+Alternatively, there is now a community container that allows to access your backups in a web session: https://github.com/nextcloud/all-in-one/tree/main/community-containers/borgbackup-viewer.
+
 ```bash
 # Install borgbackup on the host
 sudo apt update && sudo apt install borgbackup
@@ -520,6 +523,9 @@ sudo umount /tmp/borg
 #### Delete backup archives manually
 You can delete BorgBackup archives on your host manually by following these steps:<br>
 (instructions for Debian based OS' like Ubuntu)
+
+Alternatively, there is now a community container that allows to access your backups in a web session: https://github.com/nextcloud/all-in-one/tree/main/community-containers/borgbackup-viewer.
+
 ```bash
 # Install borgbackup on the host
 sudo apt update && sudo apt install borgbackup