feat(servers): setup borgmatic for auto backups

devices/servivi/default.nix

@@ -6,6 +6,7 @@
     ../../modules/tailscale.nix
 
     ./modules/binary-cache.nix
+    ./modules/borgmatic.nix
     ./modules/minecraft.nix
   ];
 

devices/servivi/modules/borgmatic.nix

@@ -0,0 +1,32 @@
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}: {
+  # Make this file declare default settings
+  options.services.borgmatic = with lib; {
+    defaults = mkOption {
+      type = types.attrs;
+    };
+  };
+
+  # Make sure known_hosts has the needed info
+  config = {
+    services.borgmatic = {
+      enable = true;
+
+      defaults = {
+        keep_daily = 7;
+
+        # FIXME: doesn't work, have to put it in /root/.ssh
+        ssh_command = "ssh -i /root/.ssh/borg";
+        encryption_passcommand = "${pkgs.coreutils}/bin/cat ${config.sops.secrets.borg-repo.path}";
+
+        source_directories_must_exist = true;
+        borgmatic_source_directory = "/tmp/borgmatic";
+        store_config_files = false;
+      };
+    };
+  };
+}

devices/servivi/modules/minecraft.nix

@@ -6,85 +6,102 @@
 }: {
   imports = [nms.nixosModules.default];
 
-  services.modded-minecraft-servers = {
-    eula = true;
-    user = config.vars.user;
-    group = "users";
+  services = {
+    modded-minecraft-servers = {
+      eula = true;
+      user = config.vars.user;
+      group = "users";
 
-    instances = let
-      jre8 = pkgs.temurin-bin-8;
-      jre17 = pkgs.temurin-bin-17;
+      instances = let
+        jre8 = pkgs.temurin-bin-8;
+        jre17 = pkgs.temurin-bin-17;
 
-      defaults = {
-        spawn-protection = 0;
-        max-tick-time = 5 * 60 * 1000;
-        allow-flight = true;
-      };
-    in {
-      # Vanilla Survival
-      sv = {
-        enable = false;
+        defaults = {
+          spawn-protection = 0;
+          max-tick-time = 5 * 60 * 1000;
+          allow-flight = true;
+        };
+      in {
+        # Vanilla Survival
+        sv = {
+          enable = false;
 
-        serverConfig =
-          {
-            server-port = 25569;
+          serverConfig =
+            {
+              server-port = 25569;
 
-            extra-options = {
-            };
-          }
-          // defaults;
-      };
+              extra-options = {
+              };
+            }
+            // defaults;
+        };
 
-      # Vanilla Creative
-      cv = {
-        enable = true;
+        # Vanilla Creative
+        cv = {
+          enable = true;
 
-        jvmMaxAllocation = "6G";
-        jvmInitialAllocation = "2G";
-        jvmPackage = jre17;
-        jvmOpts = "";
+          jvmMaxAllocation = "6G";
+          jvmInitialAllocation = "2G";
+          jvmPackage = jre17;
+          jvmOpts = "";
 
-        serverConfig =
-          {
-            server-port = 25566;
-            motd = "creative mode gaming";
+          serverConfig =
+            {
+              server-port = 25566;
+              motd = "creative mode gaming";
 
-            extra-options = {
-              difficulty = "hard";
-              enable-command-block = true;
-              enforce-whitelist = true;
-              gamemode = "creative";
-              max-players = 6;
-              view-distance = 16;
-            };
-          }
-          // defaults;
-      };
+              extra-options = {
+                difficulty = "hard";
+                enable-command-block = true;
+                enforce-whitelist = true;
+                gamemode = "creative";
+                max-players = 6;
+                view-distance = 16;
+              };
+            }
+            // defaults;
+        };
 
-      # Modded https://www.curseforge.com/minecraft/modpacks/nomi-ceu
-      nomi = {
-        enable = true;
+        # Modded https://www.curseforge.com/minecraft/modpacks/nomi-ceu
+        nomi = {
+          enable = false;
 
-        jvmMaxAllocation = "10G";
-        jvmInitialAllocation = "2G";
-        jvmPackage = jre8;
-        jvmOpts = "";
+          jvmMaxAllocation = "10G";
+          jvmInitialAllocation = "2G";
+          jvmPackage = jre8;
+          jvmOpts = "";
 
-        serverConfig =
-          {
-            server-port = 25569;
-            motd = "Nomi CEu Server, v1.7-alpha-2";
+          serverConfig =
+            {
+              server-port = 25569;
+              motd = "Nomi CEu Server, v1.7-alpha-2";
 
-            extra-options = {
-              max-players = 8;
-              difficulty = 1;
-              view-distance = 10;
-              simulation-distance = 10;
-              level-type = "lostcities";
-            };
-          }
-          // defaults;
+              extra-options = {
+                max-players = 8;
+                difficulty = 1;
+                view-distance = 10;
+                simulation-distance = 10;
+                level-type = "lostcities";
+              };
+            }
+            // defaults;
+        };
       };
     };
+
+    borgmatic.configurations.mc =
+      config.services.borgmatic.defaults
+      // {
+        source_directories = [
+          "/var/lib/minecraft"
+        ];
+
+        repositories = [
+          {
+            label = "PVE";
+            path = "ssh://matt@pve/data/backups/borg";
+          }
+        ];
+      };
   };
 }