1 files changed, 50 insertions, 0 deletions
diff --git a/nixpkgs/nixos/modules/services/monitoring/prometheus/exporters/process.nix b/nixpkgs/nixos/modules/services/monitoring/prometheus/exporters/process.nix
new file mode 100644
index 000000000000..8e5eceee067c
--- /dev/null
+++ b/nixpkgs/nixos/modules/services/monitoring/prometheus/exporters/process.nix
@@ -0,0 +1,50 @@
+{ config, lib, pkgs, options, ... }:
+
+let
+  cfg = config.services.prometheus.exporters.process;
+  inherit (lib)
+    mkOption
+    types
+    literalExpression
+    concatStringsSep
+    ;
+  configFile = pkgs.writeText "process-exporter.yaml" (builtins.toJSON cfg.settings);
+in
+{
+  port = 9256;
+  extraOpts = {
+    settings.process_names = mkOption {
+      type = types.listOf types.anything;
+      default = [];
+      example = literalExpression ''
+        [
+          # Remove nix store path from process name
+          { name = "{{.Matches.Wrapped}} {{ .Matches.Args }}"; cmdline = [ "^/nix/store[^ ]*/(?P<Wrapped>[^ /]*) (?P<Args>.*)" ]; }
+        ]
+      '';
+      description = ''
+        All settings expressed as an Nix attrset.
+
+        Check the official documentation for the corresponding YAML
+        settings that can all be used here: <https://github.com/ncabatoff/process-exporter>
+      '';
+    };
+  };
+  serviceOpts = {
+    serviceConfig = {
+      DynamicUser = false;
+      ExecStart = ''
+        ${pkgs.prometheus-process-exporter}/bin/process-exporter \
+          --web.listen-address ${cfg.listenAddress}:${toString cfg.port} \
+          --config.path ${configFile} \
+          ${concatStringsSep " \\\n  " cfg.extraFlags}
+      '';
+      NoNewPrivileges = true;
+      ProtectHome = true;
+      ProtectSystem = true;
+      ProtectKernelTunables = true;
+      ProtectKernelModules = true;
+      ProtectControlGroups = true;
+    };
+  };
+}