prometheus-shelly-exporter: add NixOS module

2 files changed, 28 insertions, 0 deletions

diff --git a/nixos/modules/services/monitoring/prometheus/exporters.nix b/nixos/modules/services/monitoring/prometheus/exporters.nix
index f3fbfb149ad7..b2132b62d678 100644
--- a/nixos/modules/services/monitoring/prometheus/exporters.nix
+++ b/nixos/modules/services/monitoring/prometheus/exporters.nix
@@ -64,6 +64,7 @@ let
     "rspamd"
     "rtl_433"
     "script"
+    "shelly"
     "snmp"
     "smartctl"
     "smokeping"
diff --git a/nixos/modules/services/monitoring/prometheus/exporters/shelly.nix b/nixos/modules/services/monitoring/prometheus/exporters/shelly.nix
new file mode 100644
index 000000000000..b9cfd1b1e84a
--- /dev/null
+++ b/nixos/modules/services/monitoring/prometheus/exporters/shelly.nix
@@ -0,0 +1,27 @@
+{ config, lib, pkgs, options }:
+
+with lib;
+
+let
+  cfg = config.services.prometheus.exporters.shelly;
+in
+{
+  port = 9784;
+  extraOpts = {
+    metrics-file = mkOption {
+      type = types.path;
+      description = lib.mdDoc ''
+        Path to the JSON file with the metric definitions
+      '';
+    };
+  };
+  serviceOpts = {
+    serviceConfig = {
+      ExecStart = ''
+        ${pkgs.prometheus-shelly-exporter}/bin/shelly_exporter \
+          -metrics-file ${cfg.metrics-file} \
+          -listen-address ${cfg.listenAddress}:${toString cfg.port}
+      '';
+    };
+  };
+}