nixos/vaultwarden: Add backup

.keys/zh2855.rsync.net.pub

@@ -0,0 +1,3 @@
+zh2855.rsync.net ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIJtclizeBy1Uo3D86HpgD3LONGVH0CJ0NT+YfZlldAJd
+zh2855.rsync.net ecdsa-sha2-nistp256 AAAAE2VjZHNhLXNoYTItbmlzdHAyNTYAAAAIbmlzdHAyNTYAAABBBLR2uz+YLn2KiQK0Luu8rhfWS6LHgUfGAWB1j8rM2MKn4KZ2/LhIX1CYkPKMTPxHr6mzayeL1T1hyJIylxXv0BY=
+zh2855.rsync.net ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQDPgHxQyaDaVxUefoUJZO/lITh0Gp0sqbP7HejQcCfZi7gAcuM6/IAuUXLHFImefCHh52x6T/cHxgL1qz26GKgdxykl06WRXlRIuE45QFSy/cd9JKr6l58fKq30ApmXRsCNwFrMlFPoEpCTqxzddZ9cLXs1Yt9dRxvFlQVEuAzw7ayvt8DE6RP9/CHYVp54wbbvUToECGwu70sxY1vFg51K+vNpvJ3J0t5j3s4c1Wls4BrIwqi2U8kqCq9Nj2CUIQqjM+93CSqEacR3qOGvG/6QMzd733wzpJ/iZee+lcyTYzA0YNMosnaF01hrv7NMwtZ6xRFLlJZtMZ7JpfySrOBr

lib/default.nix

@@ -260,5 +260,6 @@ rec {
   sshKeyFiles = {
     me = ../.keys/me.pub;
     deploy = ../.keys/deploy.pub;
+    rsyncNet = ../.keys/zh2855.rsync.net.pub;
   };
 }

nixos/boxes/colony/vms/shill/containers/vaultwarden.nix

@@ -36,7 +36,11 @@ in
 
             secrets = {
               key = "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIFP2mF50ENpnJnr+VTnG9P+JFPjgwvoIxCLyJPzXRpVy";
-              files."vaultwarden.env" = {};
+              files = {
+                "vaultwarden/config.env" = {};
+                "vaultwarden/backup-pass.txt" = {};
+                "vaultwarden/backup-ssh.key" = {};
+              };
             };
 
             firewall = {
@@ -57,6 +61,10 @@ in
             network.networks."80-container-host0" = networkdAssignment "host0" assignments.internal;
           };
 
+          programs.ssh.knownHostsFiles = [
+            lib.my.sshKeyFiles.rsyncNet
+          ];
+
           services = {
             vaultwarden = {
               enable = true;
@@ -86,7 +94,28 @@ in
 
                 PUSH_ENABLED = true;
               };
-              environmentFile = config.age.secrets."vaultwarden.env".path;
+              environmentFile = config.age.secrets."vaultwarden/config.env".path;
+            };
+
+            borgbackup.jobs.vaultwarden = {
+              paths = [ vwData ];
+              repo = "zh2855@zh2855.rsync.net:borg/vaultwarden2";
+              doInit = true;
+              environment = {
+                BORG_REMOTE_PATH = "borg1";
+                BORG_RSH = ''ssh -i ${config.age.secrets."vaultwarden/backup-ssh.key".path}'';
+              };
+              compression = "zstd,10";
+              encryption = {
+                mode = "repokey";
+                passCommand = ''cat ${config.age.secrets."vaultwarden/backup-pass.txt".path}'';
+              };
+              prune.keep = {
+                within = "1d";
+                daily = 7;
+                weekly = 4;
+                monthly = -1;
+              };
             };
           };
         }

secrets/vaultwarden/backup-pass.txt.age

@@ -0,0 +1,13 @@
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+5Zqa84828A==
+-----END AGE ENCRYPTED FILE-----

secrets/vaultwarden/backup-ssh.key.age

@@ -0,0 +1,81 @@
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+-----END AGE ENCRYPTED FILE-----