Merge pull request #93699 from NixOS/f/do

nixos/do-agent: use .service from upstream

nixos/modules/services/monitoring/do-agent.nix

@@ -4,6 +4,7 @@ with lib;
 
 let
   cfg = config.services.do-agent;
+
 in
 {
   options.services.do-agent = {
@@ -11,23 +12,13 @@ in
   };
 
   config = mkIf cfg.enable {
-    environment.systemPackages = [ pkgs.do-agent ];
+    systemd.packages = [ pkgs.do-agent ];
 
     systemd.services.do-agent = {
-      description = "DigitalOcean Droplet Metrics Agent";
       wantedBy = [ "multi-user.target" ];
-      after = [ "network-online.target" ];
-      wants = [ "network-online.target" ];
       serviceConfig = {
-        ExecStart = "${pkgs.do-agent}/bin/do-agent --syslog";
+        ExecStart = [ "" "${pkgs.do-agent}/bin/do-agent --syslog" ];
-        Restart = "always";
+        DynamicUser = true;
-        OOMScoreAdjust = -900;
-        SyslogIdentifier = "DigitalOceanAgent";
-        PrivateTmp = "yes";
-        ProtectSystem = "full";
-        ProtectHome = "yes";
-        NoNewPrivileges = "yes";
-        DynamicUser = "yes";
       };
     };
   };

pkgs/servers/monitoring/do-agent/default.nix

@@ -18,6 +18,10 @@ buildGoModule rec {
 
   vendorSha256 = null;
 
+  postInstall = ''
+    install -Dm444 -t $out/lib/systemd/system $src/packaging/etc/systemd/system/do-agent.service
+  '';
+
   meta = with lib; {
     description = "DigitalOcean droplet system metrics agent";
     longDescription = ''
@@ -30,4 +34,4 @@ buildGoModule rec {
     maintainers = with maintainers; [ yvt ];
     platforms = platforms.linux;
   };
-}
+}