do-agent: init at 3.5.6

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

@@ -0,0 +1,31 @@
+{ lib, buildGoModule, fetchFromGitHub }:
+
+buildGoModule rec {
+  name = "do-agent-${version}";
+  version = "3.5.6";
+
+  src = fetchFromGitHub {
+    owner = "digitalocean";
+    repo = "do-agent";
+    rev = "${version}";
+    sha256 = "1gl034cslqa30fqy2p9rymgx398s1rcgbmfvzk5zjlrw47327k8i";
+  };
+
+  buildFlagsArray = ''
+    -ldflags=
+      -X main.version=${version}
+  '';
+
+  modSha256 = "0ydjwxdkcz0blpzwapiaq66vh7nrcg4j91z6h7v4ynnw2rgp7pmy";
+
+  meta = with lib; {
+    description = ''
+      Collects system metrics from a DigitalOcean Droplet (on which the program
+      runs) and sends them to DigitalOcean
+    '';
+    homepage = https://github.com/digitalocean/do-agent;
+    license = licenses.asl20;
+    maintainers = with maintainers; [ yvt ];
+    platforms = platforms.linux;
+  };
+}

pkgs/top-level/all-packages.nix

@@ -14581,6 +14581,8 @@ in
 
   dkimproxy = callPackage ../servers/mail/dkimproxy { };
 
+  do-agent = callPackage ../servers/monitoring/do-agent { };
+
   dovecot = callPackage ../servers/mail/dovecot { };
   dovecot_pigeonhole = callPackage ../servers/mail/dovecot/plugins/pigeonhole { };