podman: added prometheus exporter

system/podman/default.nix

@@ -57,5 +57,7 @@ in
     ./suwayomi.nix
     ./ytptube.nix
     ./valheim.nix
+
+    ./metrics.nix
   ];
 }

system/podman/metrics.nix

@@ -0,0 +1,38 @@
+{ config, lib, ... }:
+let
+  ip = "10.88.222.222";
+in
+{
+  virtualisation.oci-containers.containers."metrics" = {
+    image = "quay.io/navidys/prometheus-podman-exporter";
+    hostname = "metrics";
+    autoStart = true;
+    user = "0:0";
+    environment = {
+      TZ = "Asia/Jakarta";
+      CONTAINER_HOST = "unix:///run/podman/podman.sock";
+    };
+    volumes = [
+      "/run/podman/podman.sock:/run/podman/podman.sock"
+    ];
+    extraOptions = [
+      "--network=podman"
+      "--ip=${ip}"
+      "--security-opt=label=disable"
+    ];
+    labels = {
+      "io.containers.autoupdate" = "registry";
+    };
+
+
+  };
+  environment.etc."alloy/config.alloy".text = lib.mkIf config.services.alloy.enable /*hcl*/ ''
+    prometheus.scrape "podman" {
+      targets = [{__address__ = "${ip}:9882"}]
+
+      job_name = "podman"
+
+      forward_to = [prometheus.remote_write.mimir.receiver]
+    }
+  '';
+}