prometheus: enable every where

modules/nixos/prometheus/caddy.nix

@@ -30,13 +30,6 @@ in
             labels = { severity = "critical"; };
             annotations = { summary = "Upstream {{ $labels.unstream }} not healthy"; };
           }
-          {
-            alert = "HighRequestLatency";
-            expr = "histogram_quantile(0.95, rate(caddy_http_request_duration_seconds_bucket[10m])) > 5";
-            for = "2m";
-            labels = { severity = "warning"; };
-            annotations = { summary = "High request latency on {{ $labels.instance }}"; description = "95th percentile of request latency is above 0.5 seconds for the last 2 minutes."; };
-          }
         ];
       }
     ];

modules/nixos/prometheus/default.nix

@@ -28,6 +28,7 @@ in
     ./blackbox.nix
     ./caddy.nix
     ./gotosocial.nix
+    ./immich.nix
     ./ntfy-sh.nix
     ./restic.nix
   ];
@@ -46,6 +47,7 @@ in
         blackbox.enable = mkExporterOption false;
         caddy.enable = mkExporterOption config.services.caddy.enable;
         gotosocial.enable = mkExporterOption config.services.gotosocial.enable;
+        immich.enable = mkExporterOption config.services.immich.enable;
         ntfy-sh.enable = mkExporterOption config.services.gotosocial.enable;
       };
       grafana = {

modules/nixos/prometheus/immich.nix

@@ -0,0 +1,26 @@
+{ config, lib, ... }:
+let
+  cfg = config.custom.prometheus;
+  immichEnv = config.services.immich.environment;
+  metricPort =
+    if builtins.hasAttr "IMMICH_API_METRICS_PORT" immichEnv
+    then immichEnv.IMMICH_API_METRICS_PORT
+    else 8081;
+in
+{
+  config = lib.mkIf (cfg.enable && cfg.exporters.immich.enable) {
+    services.immich.environment = {
+      IMMICH_METRICS = "true";
+    };
+
+    services.prometheus.scrapeConfigs = [
+      {
+        job_name = "immich";
+        static_configs = [
+          { targets = [ "127.0.0.1:${toString metricPort}" ]; }
+        ];
+      }
+    ];
+  };
+
+}