nixos/prometheus-redis-exporter: init

NixOS · Jun 18, 2020 · 344e64a · 344e64a
1 parent ac3a501
commit 344e64a
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diff --git a/nixos/modules/services/monitoring/prometheus/exporters.nix b/nixos/modules/services/monitoring/prometheus/exporters.nix
@@ -39,6 +39,7 @@ let
     "node"
     "postfix"
     "postgres"
+    "redis"
     "rspamd"
     "snmp"
     "surfboard"

diff --git a/nixos/modules/services/monitoring/prometheus/exporters/redis.nix b/nixos/modules/services/monitoring/prometheus/exporters/redis.nix
@@ -0,0 +1,19 @@
+{ config, lib, pkgs, options }:
+
+with lib;
+
+let
+  cfg = config.services.prometheus.exporters.redis;
+in
+{
+  port = 9121;
+  serviceOpts = {
+    serviceConfig = {
+      ExecStart = ''
+        ${pkgs.prometheus-redis-exporter}/bin/redis_exporter \
+          -web.listen-address ${cfg.listenAddress}:${toString cfg.port} \
+          ${concatStringsSep " \\\n  " cfg.extraFlags}
+      '';
+    };
+  };
+}
diff --git a/nixos/tests/prometheus-exporters.nix b/nixos/tests/prometheus-exporters.nix
@@ -475,6 +475,20 @@ let
       '';
     };
 
+    redis = {
+      exporterConfig = {
+        enable = true;
+      };
+      metricProvider.services.redis.enable = true;
+      exporterTest = ''
+        wait_for_unit("redis.service")
+        wait_for_unit("prometheus-redis-exporter.service")
+        wait_for_open_port(6379)
+        wait_for_open_port(9121)
+        wait_until_succeeds("curl -sSf localhost:9121/metrics | grep -q 'redis_up 1'")
+      '';
+    };
+
     rspamd = {
       exporterConfig = {
         enable = true;