Add production system and add on-failure service restart for Node applications

lib/node-application.nix

@@ -44,6 +44,7 @@
 							ExecStart = "${application}/${mainBinaryPath}";
 							User = name;
 							PermissionsStartOnly = true;
+							Restart = "on-failure";
 						};
 					} // serviceConfig);
 				};

lib/presets/qemu-guest.nix

@@ -0,0 +1,15 @@
+{
+	imports = [
+		<nixpkgs/nixos/modules/profiles/qemu-guest.nix>
+    ];
+
+	boot = {
+		initrd.availableKernelModules = [ "ata_piix" "uhci_hcd" "sd_mod" "sr_mod" ];
+
+		loader.grub = {
+			enable = true;
+			version = 2;
+			device = "/dev/sda";
+		};
+	};
+}

networks/default.nix

@@ -7,7 +7,7 @@
 			generateCaddyConfiguration = (import ../lib/generate/caddy-configuration.nix) args;
 		in let
 			proxiedApplications = [{
-				hostname = "pastebin-stream-dev.cryto.net";
+				hostname = config.systems.osmium.applications.pastebin-stream.hostname;
 				tls = true;
 				proxyTarget = "http://localhost:3000";
 			}];
@@ -16,40 +16,53 @@
 				imports = [
 					(pastebinStream {
 						errorPath = "/var/lib/pastebin-stream/errors";
-						rev = "3b7f6ea4ad663b82e7cfd95ae3c65f1a32f0cb0a";
-						sha256 = "0w29rwgkjpd9cl42z0n2fy5is730db3mfsqvjmxa7x65nz34d3wj";
+						rev = "06ef0fa19aa05a755efcafd9be077d3dacd79ee8";
+						sha256 = "06ilz7g31lrwyn1lcx095a5nn305xfmg5whdqb4ghgc8whn765s8";
 					})
 				];
 
-				services.caddy = {
-					enable = true;
-					agree = true;
-					email = "admin@cryto.net";
-					config = ''
+				config = {
+					services.caddy = {
+						enable = true;
+						agree = true;
+						email = "admin@cryto.net";
+						config = ''
 						${generateCaddyConfiguration proxiedApplications}
-					'';
-				};
-
-				services.node-pastebin-stream = {
-					enable = true;
+						'';
+					};
 
-					errorReporting = {
+					services.node-pastebin-stream = {
 						enable = true;
 
-						metadata = {
-							from = "ops@cryto.net";
-							to = "admin@cryto.net";
+						errorReporting = {
+							enable = true;
+
+							metadata = {
+								from = "ops@cryto.net";
+								to = "admin@cryto.net";
+							};
 						};
 					};
-				};
 
-				networking.firewall.allowedTCPPorts = [
-					80
-					443
-				];
+					networking.firewall.allowedTCPPorts = [
+						80
+						443
+					];
 
-				environment.systemPackages = with pkgs; [
-					htop
-				];
+					environment.systemPackages = with pkgs; [
+						htop
+					];
+				};
+
+				options.systems.osmium = with lib; {
+					applications.pastebin-stream = {
+						hostname = mkOption {
+							description = ''
+								The hostname to expose the pastebin-stream application on.
+							'';
+							type = types.str;
+						};
+					};
+				};
 			};
 }

systems/osmium-testing.nix

@@ -11,6 +11,11 @@ in {
 			deployment.targetEnv = "digitalOcean";
 			deployment.digitalOcean.region = "ams2";
 			deployment.digitalOcean.size = "512mb";
-			#deployment.digitalOcean.authToken = removeNewlines (builtins.readFile ../credentials/digitalocean-auth-token);
+
+			systems.osmium = {
+				applications.pastebin-stream = {
+					hostname = "pastebin-stream-dev.cryto.net";
+				};
+			};
 		} // presetRootSsh // presetTools;
 }

systems/osmium.nix

@@ -0,0 +1,32 @@
+let
+	removeNewlines = (import ../lib/util/remove-newlines.nix);
+	presetRootSsh = (import ../lib/presets/root-ssh.nix);
+in {
+	osmium = {config, pkgs, ...}@args: let
+		presetTools = (import ../lib/presets/tools.nix) args;
+		presetQemuGuest = (import ../lib/presets/qemu-guest.nix);
+	in
+		{
+			deployment.targetHost = "80.255.0.137";
+
+			systems.osmium = {
+				applications.pastebin-stream = {
+					hostname = "pastebin-stream.cryto.net";
+				};
+			};
+
+			fileSystems."/" = {
+				device = "/dev/disk/by-uuid/cf472470-0b3d-414b-93f8-b5e4298fad05";
+				fsType = "ext4";
+			};
+
+			networking = {
+				hostName = "osmium";
+				defaultGateway6 = "2a01:4a0:4a::1";
+				interfaces.enp0s3 = {
+					ipv6Address = "2a01:4a0:4a:5d::35c7";
+					ipv6PrefixLength = 48;
+				};
+			};
+		} // presetRootSsh // presetTools // presetQemuGuest;
+}