Add rsync backup via dilion

[perso/Immae/Config/Nix.git] / modules / private / system / eldiron.nix

diff --git a/modules/private/system/eldiron.nix b/modules/private/system/eldiron.nix
index 5e3d45cce1c59fcd4f8f605113807170539860e7..ab48ab4e8164c1455963bb56139a8b96903c0fb3 100644 (file)
--- a/modules/private/system/eldiron.nix
+++ b/modules/private/system/eldiron.nix
@@ -39,6 +39,23 @@
   services.duplyBackup.enable = true;
   services.duplyBackup.profiles.oldies.rootDir = "/var/lib/oldies";
 
+  secrets.keys = [
+    {
+      dest = "rsync_backup/identity";
+      user = "root";
+      group = "root";
+      permissions = "0400";
+      text = config.myEnv.rsync_backup.ssh_key.private;
+    }
+  ];
+  programs.ssh.knownHosts.dilion = {
+    hostNames = ["dilion.immae.eu"];
+    publicKey = let
+      profile = config.myEnv.rsync_backup.profiles.dilion;
+    in
+      "${profile.host_key_type} ${profile.host_key}";
+  };
+
   deployment = {
     targetEnv = "hetzner";
     hetzner = {
@@ -65,7 +82,7 @@
     systemCronJobs = [
       ''
         # The star after /var/lib/* avoids deleting all folders in case of problem
-        0 3,9,15,21 * * * root rsync -e "ssh -i /root/.ssh/id_charon_vpn" --new-compress -aAXv --delete --numeric-ids --super --rsync-path="sudo rsync" /var/lib/* immae@immae.eu: > /dev/null
+        0 3,9,15,21 * * * root rsync -e "ssh -i /var/secrets/rsync_backup/identity" --new-compress -aAXv --delete --numeric-ids --super --rsync-path="sudo rsync" /var/lib/* backup@dilion.immae.eu: > /dev/null
         0 0 * * * root journalctl -q --since="25 hours ago" -u postfix -g "immae.eu.*Recipient address rejected"
       ''
     ];