general improvements

defaults/main.yml

@@ -1,6 +1,8 @@
 ---
 borgbackup_required: True
 
+borgbackup_ssh_key: "~/.ssh/id_borg_rsa"
+
 borgbackup_version: "1.0.11"
 borgbackup_checksum: "sha256:fbdc0e0d6d05a0935551f2f408f370236a76b7a30d3bb90a31c3628fe3611359"
 borgbackup_download_url: "https://github.com/borgbackup/borg/releases/download/{{ borgbackup_version }}/borg-linux64"
@@ -30,4 +32,4 @@ borgbackup_cron_minute: "{{ 59|random }}"
 borgbackup_appendonly: False
 borgbackup_management_station: ''
 borgbackup_management_user: ''
-borgbackup_management_sshkey: ''
+borgbackup_management_ssh_pubkey: ''

tasks/borg-client.yml

@@ -1,9 +1,9 @@
 ---
 - name: client | generate ssh key for this machine
-  shell: if [ -f ~/.ssh/id_rsa ]; then rm -f ~/.ssh/id_rsa; fi && ssh-keygen -q -t rsa -b 4096 -f ~/.ssh/id_rsa -N "" creates=~/.ssh/id_rsa.pub
+  shell: if [ -f {{ borgbackup_ssh_key }} ]; then rm -f {{ borgbackup_ssh_key }}; fi && ssh-keygen -q -t rsa -b 4096 -f {{ borgbackup_ssh_key }} -N "" creates="{{ borgbackup_ssh_key }}.pub"
 
 - name: client | fetch ssh-key
-  shell: cat /root/.ssh/id_rsa.pub
+  shell: "cat {{ borgbackup_ssh_key }}.pub"
   register: sshkey
   changed_when: False
 
@@ -14,12 +14,18 @@
     line: 'export BORG_PASSPHRASE="{{ borgbackup_passphrase }}"'
     create: "yes"
 
-- name: client | template sshconfig for backup-hosts (no strict key checking)
-  template:
-    src: "ssh.config.j2"
-    dest: "/root/.ssh/config"
-    owner: "root"
-    group: "root"
+- name: client | disable strict key checking for backup servers
+  blockinfile:
+    dest: /root/.ssh/config
+    create: yes
+    marker: "### {mark} ANSIBLE MANAGED BLOCK {{ item.fqdn }} ###"
+    content: |
+      Host {{ item.fqdn }}
+        StrictHostKeyChecking no
+        {% if item.port is defined %}
+        Port {{ item.port }}
+        {% endif %}
+  with_items: "{{ borgbackup_servers }}"
 
 - name: client | put sshpubkey on the normal backupserver
   authorized_key:

tasks/borg-server.yml

@@ -1,16 +1,4 @@
 ---
-- name: server | install borg backup
-  get_url:
-    dest: "/usr/local/bin/borg"
-    checksum: "{{ borgbackup_checksum }}"
-    owner: "root"
-    group: "root"
-    mode: "0755"
-    url: "{{ borgbackup_download_url }}"
-  delegate_to: "{{ item.fqdn }}"
-  with_items: "{{ borgbackup_servers }}"
-  when: item.type == 'normal'
-
 - name: server | create user
   user:
     name: "{{ item.user }}"
@@ -28,4 +16,5 @@
     owner: "{{ item.user }}"
     group: "{{ item.user }}"
     mode: "0770"
+  delegate_to: "{{ item.fqdn }}"
   with_items: "{{ borgbackup_servers }}"

tasks/management.yml

@@ -10,7 +10,7 @@
 - name: management | put management sshpubkey on the normal backupserver
   authorized_key:
     user: "{{ item.user }}"
-    key: "{{ borgbackup_management_sshkey }}"
+    key: "{{ borgbackup_management_ssh_pubkey }}"
   delegate_to: "{{ item.fqdn }}"
   when: item.type == 'normal'
   with_items: "{{ borgbackup_servers }}"
@@ -28,7 +28,7 @@
 - name: management | modify local rsync.net authorized_keys
   authorized_key:
     user: "{{ ansible_user_id }}"
-    key: "{{ borgbackup_management_sshkey }}"
+    key: "{{ borgbackup_management_ssh_pubkey }}"
     path: "/tmp/rsync.net-{{ item.fqdn }}-authkeys"
     manage_dir: no
   delegate_to: localhost

templates/ssh.config.j2

@@ -1,8 +0,0 @@
-# backup hosts
-{% for b in borgbackup_servers %}
-Host {{ b.fqdn }}
-   StrictHostKeyChecking no
-   {% if b.port is defined %}
-   Port {{ b.port }}
-   {% endif %}
-{% endfor %}