From 9d4c7be8019ef4ea122884cff96801fb69f1d942 Mon Sep 17 00:00:00 2001
From: Sam Al-Sapti <sam@sapti.me>
Date: Mon, 6 Mar 2023 13:33:18 +0100
Subject: [PATCH] Add known_hosts to Restic's SSH folder

---
 roles/docker/defaults/main.yml                   | 7 ++++---
 roles/docker/tasks/services/restic_backup.yml    | 8 ++++++++
 roles/docker/templates/restic.ssh.known_hosts.j2 | 1 +
 3 files changed, 13 insertions(+), 3 deletions(-)
 create mode 100644 roles/docker/templates/restic.ssh.known_hosts.j2

diff --git a/roles/docker/defaults/main.yml b/roles/docker/defaults/main.yml
index bb055cbb..ac062cb1 100644
--- a/roles/docker/defaults/main.yml
+++ b/roles/docker/defaults/main.yml
@@ -49,10 +49,11 @@ services:
 
   restic:
     file: restic_backup.yml
-    user: "dc-user"
-    domain: "rynkeby.skovgaard.tel"
+    user: dc-user
+    domain: rynkeby.skovgaard.tel
+    host_key: ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIBLGol2G+a87ssy0nu/STKBZSiGyhZhZKx/ujfe9IeFo
     volume_folder: "{{ volume_root_folder }}/restic"
-    repository: "restic"
+    repository: restic
     version: "1.6.0"
     disabled_in_vagrant: true
 
diff --git a/roles/docker/tasks/services/restic_backup.yml b/roles/docker/tasks/services/restic_backup.yml
index 3ce61f60..b193a2f4 100644
--- a/roles/docker/tasks/services/restic_backup.yml
+++ b/roles/docker/tasks/services/restic_backup.yml
@@ -39,6 +39,14 @@
     group: root
     mode: '0600'
 
+- name: Create SSH known_hosts file
+  template:
+    src: restic.ssh.known_hosts.j2
+    dest: "{{ services.restic.volume_folder }}/ssh/known_hosts"
+    owner: root
+    group: root
+    mode: '0600'
+
 - name: Setup restic backup
   docker_compose:
     project_name: restic_backup
diff --git a/roles/docker/templates/restic.ssh.known_hosts.j2 b/roles/docker/templates/restic.ssh.known_hosts.j2
new file mode 100644
index 00000000..19ac2637
--- /dev/null
+++ b/roles/docker/templates/restic.ssh.known_hosts.j2
@@ -0,0 +1 @@
+{{ services.restic.domain }} {{ services.restic.host_key }}