Hetzner support

README.md

@@ -1,6 +1,6 @@
 # Borg backup role
 This role installs Borg backup on borgbackup\_servers and clients. The role contains a wrapper-script 'borg-backup' to ease the usage on the client. Supported options include borg-backup info | init | list | backup | mount. Automysqlbackup will run as pre-backup command if it's installed.
-The role supports both self hosted and rsync.net as Borg server.
+The role supports both self hosted and offsite backup-storage such as rsync.net and hetzner storage box as Borg server.
 
 It's possible to configure append-only repositories to secure the backups against deletion from the client.
 
@@ -29,6 +29,13 @@ borgbackup_servers:
     home: ""
     pool: repos
     options: "--remote-path=borg1"
+  - fqdn: username.your-storagebox.de
+    user: username
+    type: hetzner
+    home: ""
+    pool: repos
+    options: ""
+
 
 borgbackup_retention:
   hourly: 12

tasks/borg-client.yml

@@ -37,12 +37,12 @@
   when: item.type == 'normal'
   with_items: "{{ borgbackup_servers }}"
 
-# rsync.net has no python, so we can only use raw to manage ssh keys - workaround with local tmp file
-- name: client | get rsync.net authorized_keys file
-  raw: scp {{ item.user }}@{{ item.fqdn }}:.ssh/authorized_keys /tmp/rsync.net-{{ item.fqdn }}-authkeys
+# rsync.net and hetzner have no python, so we can only use raw to manage ssh keys - workaround with local tmp file
+- name: client | get authorized_keys file
+  raw: scp {{ item.user }}@{{ item.fqdn }}:.ssh/authorized_keys /tmp/authkeys-{{ item.type }}-{{ item.fqdn }}-authkeys
   delegate_to: localhost
   become: no
-  when: item.type == 'rsync.net'
+  when: item.type in ['rsync.net','hetzner']
   with_items: "{{ borgbackup_servers }}"
   changed_when: false
 
@@ -51,7 +51,7 @@
     user: "{{ ansible_user_id }}"
     key: "{{ sshkey.stdout }}"
     key_options: 'command="cd {{ item.pool }}/{{ inventory_hostname }};/usr/local/bin/borg1 serve {% if borgbackup_appendonly %}--append-only {% endif %} --restrict-to-path {{ item.pool }}/{{ inventory_hostname }}",no-port-forwarding,no-X11-forwarding,no-pty,no-agent-forwarding,no-user-rc'
-    path: "/tmp/rsync.net-{{ item.fqdn }}-authkeys"
+    path: "/tmp/authkeys-{{ item.type }}-{{ item.fqdn }}-authkeys"
     manage_dir: no
   delegate_to: localhost
   become: no
@@ -59,16 +59,28 @@
   with_items: "{{ borgbackup_servers }}"
   register: authkeys
 
-- name: client | upload local authorized_keys to rsync.net
-  raw: scp /tmp/rsync.net-{{ item.fqdn }}-authkeys {{ item.user }}@{{ item.fqdn }}:.ssh/authorized_keys
+- name: client | modify local hetzner authorized_keys
+  authorized_key:
+    user: "{{ ansible_user_id }}"
+    key: "{{ sshkey.stdout }}"
+    path: "/tmp/authkeys-{{ item.type }}-{{ item.fqdn }}-authkeys"
+    manage_dir: no
   delegate_to: localhost
   become: no
-  when: item.type == 'rsync.net' and authkeys.changed
+  when: item.type == 'hetzner'
+  with_items: "{{ borgbackup_servers }}"
+  register: authkeys
+
+- name: client | upload local authorized_keys to rsync.net / hetzner
+  raw: scp /tmp/authkeys-{{ item.type }}-{{ item.fqdn }}-authkeys {{ item.user }}@{{ item.fqdn }}:.ssh/authorized_keys
+  delegate_to: localhost
+  become: no
+  when: item.type in ['rsync.net','hetzner'] and authkeys.changed
   with_items: "{{ borgbackup_servers }}"
 
 - name: client | remove tmp authorized_keys files
   file:
-    path: /tmp/rsync.net-{{ item.fqdn }}-authkeys
+    path: /tmp/authkeys-{{ item.type }}-{{ item.fqdn }}-authkeys
     state: absent
   delegate_to: localhost
   become: no

templates/borg-backup.sh.j2

@@ -15,7 +15,7 @@ if [ "$1" = "info" ]
   then
     if [ -z "$2" ]; then printf "run $0 with list and use the backup-tag to request information\n"; exit 1; fi
 {% for b in borgbackup_servers %}
-    REPOSITORY={{ b.user }}@{{ b.fqdn }}:{{ b.home }}{{ b.pool }}/{{ inventory_hostname }}
+    REPOSITORY={% if b.type == 'hetzner' %}ssh://{% endif %}{{ b.user }}@{{ b.fqdn }}:{% if b.type == 'hetzner' %}23/./{% endif %}{{ b.home }}{{ b.pool }}/{{ inventory_hostname }}
     /usr/local/bin/borg info $REPOSITORY::$2 {{ b.options }}
 {% endfor %}
     exit 0
@@ -27,7 +27,7 @@ if [ "$1" = "mount" ]
     if [ -z "$3" ]; then printf "Select the backup to mount\n"; exit 1; fi
     if [ -z "$4" ]; then printf "Select the path to mount the backup on\n"; exit 1; fi
 {% for b in borgbackup_servers %}
-    REPOSITORY={{ b.user }}@{{ b.fqdn }}:{{ b.home }}{{ b.pool }}/{{ inventory_hostname }}
+    REPOSITORY={% if b.type == 'hetzner' %}ssh://{% endif %}{{ b.user }}@{{ b.fqdn }}:{% if b.type == 'hetzner' %}23/./{% endif %}{{ b.home }}{{ b.pool }}/{{ inventory_hostname }}
     /usr/local/bin/borg mount $REPOSITORY::$3 $4 {{ b.options }}
     if [ "$?" = "0" ]; then printf "Backup mounted on $4, do not forget to unmount!\n"; fi
     exit 0
@@ -37,7 +37,7 @@ fi
 if [ "$1" = "list" ]
   then
 {% for b in borgbackup_servers %}
-    REPOSITORY={{ b.user }}@{{ b.fqdn }}:{{ b.home }}{{ b.pool }}/{{ inventory_hostname }}
+    REPOSITORY={% if b.type == 'hetzner' %}ssh://{% endif %}{{ b.user }}@{{ b.fqdn }}:{% if b.type == 'hetzner' %}23/./{% endif %}{{ b.home }}{{ b.pool }}/{{ inventory_hostname }}
     printf "Archives on {{ b.fqdn }} :\n"
     /usr/local/bin/borg list -v $REPOSITORY {{ b.options }}
 {% endfor %}
@@ -47,8 +47,8 @@ fi
 if [ "$1" = "init" ]
   then
 {% for b in borgbackup_servers %}
-    REPOSITORY={{ b.user }}@{{ b.fqdn }}:{{ b.home }}{{ b.pool }}/{{ inventory_hostname }}
-    borg init $REPOSITORY {{ b.options }}
+    REPOSITORY={% if b.type == 'hetzner' %}ssh://{% endif %}{{ b.user }}@{{ b.fqdn }}:{% if b.type == 'hetzner' %}23/./{% endif %}{{ b.home }}{{ b.pool }}/{{ inventory_hostname }}
+    /usr/local/bin/borg init $REPOSITORY {{ b.options }}
 {% endfor %}
     exit 0
 fi
@@ -64,11 +64,11 @@ if [ "$1" = "backup" ]
 
 {% for b in borgbackup_servers %}
     printf "Backing up to {{ b.fqdn }} :\n"
-    REPOSITORY={{ b.user }}@{{ b.fqdn }}:{{ b.home }}{{ b.pool }}/{{ inventory_hostname }}
+    REPOSITORY={% if b.type == 'hetzner' %}ssh://{% endif %}{{ b.user }}@{{ b.fqdn }}:{% if b.type == 'hetzner' %}23/./{% endif %}{{ b.home }}{{ b.pool }}/{{ inventory_hostname }}
     
     /usr/local/bin/borg create --compression zlib,6 --stats $REPOSITORY::$date {{ b.options }} {% for dir in borgbackup_include %}{{ dir }} {% endfor %}{% if automysql.stat.isdir is defined and automysql.stat.isdir == True %}/var/lib/automysqlbackup{% endif %}
 
-    if [ "$?" -eq "0" ]; then printf "Backup succeeded on $date\n" >> /var/log/borg-backup.log; fi
+    if [ "$?" -eq "0" ]; then printf "Backup succeeded on $date to {{ b.fqdn }}\n" >> /var/log/borg-backup.log; fi
 
   {% if not borgbackup_appendonly %}
     # prune old backups