sj-srv1: set up restic backup

nix/os/devices/sj-srv1/configuration.nix

@@ -1,8 +1,7 @@
-{
+{ nodeName
-  nodeName,
+, config
-  config,
+, pkgs
-  pkgs,
+, ...
-  ...
 }: {
   disabledModules = [ ];
   imports = [
@@ -20,6 +19,7 @@
         format = "yaml";
       };
     }
+
     ../../modules/opinionatedDisk.nix
 
     ./system.nix

nix/os/devices/sj-srv1/system.nix

@@ -37,6 +37,43 @@
 
   nix.gc = { automatic = true; };
 
+  sops.secrets.restic-password.sopsFile = ../../../../secrets/${nodeName}/secrets.yaml;
+
+  # adapted from https://github.com/lilyinstarlight/foosteros/blob/5c75ded111878970fd4f600c7adc013f971d5e71/config/restic.nix
+  services.restic.backups.${nodeName} =
+    let
+      btrfs = "${pkgs.btrfs-progs}/bin/btrfs";
+    in
+    {
+      initialize = true;
+      repository = "sftp://u217879-sub3@u217879-sub3.your-storagebox.de:23/restic/${nodeName}";
+
+      paths = [
+        "/backup"
+      ];
+
+      pruneOpts = [
+        "--keep-daily 7"
+        "--keep-weekly 5"
+        "--keep-monthly 12"
+        "--keep-yearly 2"
+      ];
+
+      timerConfig = {
+        OnCalendar = lib.mkDefault "daily";
+        Persistent = true;
+      };
+
+      passwordFile = config.sops.secrets.restic-password.path;
+
+      backupPrepareCommand = ''
+        ${btrfs} su snapshot -r /var/lib/container-volumes /backup/container-volumes
+      '';
+      backupCleanupCommand = ''
+        ${btrfs} su delete /backup/container-volumes
+      '';
+    };
+
   containers = {
     mailserver = import ../../containers/mailserver.nix {
       inherit repoFlake;

secrets/sj-srv1/secrets.yaml

@@ -1,9 +1,6 @@
 #ENC[AES256_GCM,data:NJd2BaOWeCr6IER0GSL4OrnABI65kMLg0ft0auq4gazQJ+40vYKwN7pMimXnhQrIsax01pQocF0x0R9we0i/dbE=,iv:OlqfIRF9FtZVHT4QzjQuKCMbVaA+ei7PE9QvbyWj9OA=,tag:8uPJVrva06SUg0DQ26mNow==,type:comment]
 passwords-root: ENC[AES256_GCM,data:mDQXWfH3zcvIifhmFdB5rfuiImHLX0Wb2WuR5Jb4lBII72AN9sEy436nHKLHdDHYDgzBkTHXDz63SfK28GEckJJKXHPcKuYl/g==,iv:M8tcUyUVuYAIesuGxQHQ/JRDlzeklTBAVgD1oBzsbVM=,tag:E8g5Qo1zAJkCvNPDeAv7pw==,type:str]
-wg0-private: ENC[AES256_GCM,data:hiUUUhQ/hi6d51Wgwb0gZ5lBB5TS9+F8gVEGrRUqLauKjGZujyqjZIFix7E=,iv:ISb5cqkOE0UyQqlQCeclyMBof037XF1+7zDFslKStr0=,tag:Ox0S+YOkfXpFCSbNrdSrxQ==,type:str]
+restic-password: ENC[AES256_GCM,data:0cTVlqHCW/xCk7y3ikh0RtVk/5xFOrcrnQmMbIBtfOd7PYbiTUzwBtYXwOaXO4ob7/+KJUEwhl5TzX/Of1J+y7ML7JbpNPtLr8r0gzDYOvBPY5GlmkDGcorz7QTaomuDprJkoD06lJWme/L893u7rxwamF222D2JvGz5FfTuWfaRWb1PcehBkew89gjdAgqFJJwqlX1vwvQDPg6yj+vnk9ZqR/E967bbQeN/G/qGJ9xfVmeuOPYoZH2IrL0Zgif/FLqZWZtlJ1JnRUBXsVN6FZXfT1Q82euLPOpaUHrFJjAF26PuTwVreIjcBLX3wqc8vhAYWfc+RThS3ITwNdNTSA==,iv:KBqME0cqIIX15xPgKi5mBalk01tswj8xVd8rFETX9zU=,tag:V6KltIGVarWXP1R5lY2FAw==,type:str]
-wg0-public: ENC[AES256_GCM,data:AnEK0wlEIlVrz0nubLWr3lv7R1ddzA/RPjP0CosyEJzCJU6cF2DBJig4xYo=,iv:ifaQVHQyoYqcr6a4kJ1Kvd4QBDLT5xNyr75GuogBv5g=,tag:Tl9HpsJ5+LaV81LiLcThkg==,type:str]
-wg0-psk-steveej-psk: ENC[AES256_GCM,data:Z5txIdXKVshlqMBLEnW/ulFiQSmMKj6m1vLE8fuL+zl+tJxh9EX/XvjLaC4=,iv:h4ypudvQAKPM7+5vQNAb69JntdZPNa8Km6wd14ovCHc=,tag:t7ZbbcpRCTAF7zP8vKPpJw==,type:str]
-wg0-psk-steveej-public: ENC[AES256_GCM,data:KU6aRVK06RkyvvYFzFZaCplz1HyirSfpjW+jjvHP+eTMs3hfhFUnPSZRCN4=,iv:2A019CQD2vjcOmX6PFpDaDCo8yN9oA9kdKxiW1e3Dss=,tag:kfRENOJY7RnwWGN1eOeEhQ==,type:str]
 sops:
     kms: []
     gcp_kms: []
@@ -19,8 +16,8 @@ sops:
             czdzaWhBRWJyb0pBSnphamZVZDgyMDAKjTYixgD7CzJImvPFRYJKJXefXqxSA6I0
             iOyW6E++Ax0MsYll77sR9eMNMgPCromY3uzKVJe640HKY/E1cLoi0Q==
             -----END AGE ENCRYPTED FILE-----
-    lastmodified: "2023-08-13T17:03:01Z"
+    lastmodified: "2024-01-19T20:25:37Z"
-    mac: ENC[AES256_GCM,data:AtD2QZsLpOLQB7Jcb0Cn+zGUK/fMzuVhQ2r5f4jL3dttqfaDa4k+bUMP7wQ9RW6cUXm5ps+s1t9TkRUi2P7bkQjtEuyiTGAUiM8OnkJQ26npITWWs8giekKq01m2DlZufWRcrZrQU43EgVNDqRTVlMK1IoVS4zqNwqt4tXG6YWk=,iv:F+BbR5aGg+6/0LBxpC+AoNT4dLutvkgeUJszkMrV5xk=,tag:4Cvd4nG+h1+hXg/NzH0wRg==,type:str]
+    mac: ENC[AES256_GCM,data:gAn4HAJRiejixDApIBZD87JjHLyOnC9LvYR0E4oDa0GVu6/BLVNbie0zG1TdnYl4LAuLa0rf4gkSDCLNvjkBGesGb7oez06WAHJd3VAK6wyFYxQSxKA8U5OZu8nozciuatTCvc/JL1ZjxxGlDFDSHSP2m1PsB6br2e0g8oL1vJw=,iv:7rOU6w+Ly+OYEnF5SikijEpauMp5lhTae74zDi2vF+U=,tag:EURfxNbEe4ZLFF4l19EzFA==,type:str]
     pgp:
         - created_at: "2023-08-11T16:31:41Z"
           enc: |-