Backup des Fachschaftsaccounts

nixos/modules/borgbackup.nix

@@ -56,6 +56,13 @@ in {
           path = "/var/lib/backups/eihort";
           allowSubRepos = true;
         };
+        fsaccount = {
+          authorizedKeysAppendOnly = [
+            "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIG+Y7fQTYdIWHehrKdk92CaJ0AisEux4OrS4nIyMstU4 FS Account Backup"
+          ];
+          path = "/var/lib/backups/fsaccount";
+          allowSubRepos = true;
+        };
         hastur = {
           authorizedKeysAppendOnly = [
             "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAILeDvTyOUdIPARatX0PPhHgrV1gjERWLt2Twa8E2GETb Hastur Backupsystem"
@@ -99,6 +106,36 @@ in {
           allowSubRepos = true;
         };
       };
+      # Configure backup of files on the department's fs account
+      jobs.fsaccount = {
+        preHook = ''
+          rm -rf /home/fsaccount/sicherung
+          mkdir /home/fsaccount/sicherung
+          scp -i /home/fsaccount/.ssh/fsaccount -r fachschaft@gw1.mathematik.tu-darmstadt.de:/home/fachschaft/* sicherung/
+        '';
+        paths = "/home/fachschaft/sicherung";
+        encryption.mode = "none";
+        environment.BORG_RSH = "ssh -i /home/fachschaft/.ssh/fsaccount";
+        repo = "ssh://borg@localhost:fsaccount";
+        startAt = "hourly";
+        user = "fsaccount";
+        group = "fsaccount";
+        readWritePaths = ["/home/fsaccount"];
+      };
     };
+    environment.persistence.${config.impermanence.name} = {
+      directories = [
+        "/home/fachschaft/.ssh" # SSH Key with access to FS Account and Borg repo and known_hosts
+      ];
+    };
+    # Extra user for FS account backup
+    users.users = {
+      fsaccount = {
+        description = "FS Account backup";
+        group = "fsaccount";
+        isNormalUser = true;
+      };
+    };
+    users.groups.fsaccount = {};
   };
 }