some improvements

nixos/components/monitor/default.nix

@@ -11,6 +11,7 @@ with types;
   };
 
   imports = [
+    ./export-zfs.nix
     ./netdata.nix
     ./opentelemetry.nix
     ./prometheus.nix
@@ -19,4 +20,5 @@ with types;
   ];
 
   config = mkIf config.components.monitor.enable { };
+
 }

nixos/components/monitor/export-zfs.nix

@@ -0,0 +1,32 @@
+{ pkgs, config, lib, ... }:
+with lib;
+with types;
+{
+  options.components.monitor.exporters.zfs.enable = mkOption {
+    type = lib.types.bool;
+    default = config.components.monitor.enable;
+  };
+
+  config = mkMerge [
+    (mkIf config.components.monitor.exporters.zfs.enable {
+
+      services.telegraf.extraConfig.inputs.zfs = {};
+
+      services.prometheus.exporters.zfs.enable = true;
+      services.opentelemetry-collector.settings = {
+        receivers.prometheus.config.scrape_configs = [
+          {
+            job_name = "zfs";
+            scrape_interval = "10s";
+            static_configs = [{
+              targets = [ "127.0.0.1:${toString config.services.prometheus.exporters.zfs.port}" ];
+            }];
+          }
+        ];
+        service.pipelines.metrics.receivers = [ "prometheus" ];
+      };
+
+    })
+  ];
+
+}

nixos/machines/cream/configuration.nix

@@ -39,6 +39,7 @@
 
   components.monitor.enable = true;
   components.monitor.opentelemetry.exporter.endpoint = "10.100.0.1:4317"; # orbi
+  components.monitor.exporters.zfs.enable = false;
 
   home-manager.users.mainUser.home.sessionPath = [ "$HOME/.timewarrior/scripts" ];