prometheus-bird-exporter: init at 1.3.5-git

3 files changed, 72 insertions, 0 deletions

diff --git a/nixos/modules/services/monitoring/prometheus/exporters.nix b/nixos/modules/services/monitoring/prometheus/exporters.nix
index 683dc0390c59..cec7b89aaa31 100644
--- a/nixos/modules/services/monitoring/prometheus/exporters.nix
+++ b/nixos/modules/services/monitoring/prometheus/exporters.nix
@@ -23,6 +23,7 @@ let
   exporterOpts = genAttrs [
     "apcupsd"
     "bind"
+    "bird"
     "blackbox"
     "collectd"
     "dnsmasq"
diff --git a/nixos/modules/services/monitoring/prometheus/exporters/bird.nix b/nixos/modules/services/monitoring/prometheus/exporters/bird.nix
new file mode 100644
index 000000000000..d8a526eafcea
--- /dev/null
+++ b/nixos/modules/services/monitoring/prometheus/exporters/bird.nix
@@ -0,0 +1,46 @@
+{ config, lib, pkgs, options }:
+
+with lib;
+
+let
+  cfg = config.services.prometheus.exporters.bird;
+in
+{
+  port = 9324;
+  extraOpts = {
+    birdVersion = mkOption {
+      type = types.enum [ 1 2 ];
+      default = 2;
+      description = ''
+        Specifies whether BIRD1 or BIRD2 is in use.
+      '';
+    };
+    birdSocket = mkOption {
+      type = types.path;
+      default = "/var/run/bird.ctl";
+      description = ''
+        Path to BIRD2 (or BIRD1 v4) socket.
+      '';
+    };
+    newMetricFormat = mkOption {
+      type = types.bool;
+      default = true;
+      description = ''
+        Enable the new more-generic metric format.
+      '';
+    };
+  };
+  serviceOpts = {
+    serviceConfig = {
+      SupplementaryGroups = singleton (if cfg.birdVersion == 1 then "bird" else "bird2");
+      ExecStart = ''
+        ${pkgs.prometheus-bird-exporter}/bin/bird_exporter \
+          -web.listen-address ${cfg.listenAddress}:${toString cfg.port} \
+          -bird.socket ${cfg.birdSocket} \
+          -bird.v2=${if cfg.birdVersion == 2 then "true" else "false"} \
+          -format.new=${if cfg.newMetricFormat then "true" else "false"} \
+          ${concatStringsSep " \\\n  " cfg.extraFlags}
+      '';
+    };
+  };
+}
diff --git a/nixos/tests/prometheus-exporters.nix b/nixos/tests/prometheus-exporters.nix
index ffa7f420c093..938607e0b7bf 100644
--- a/nixos/tests/prometheus-exporters.nix
+++ b/nixos/tests/prometheus-exporters.nix
@@ -96,6 +96,31 @@ let
       '';
     };
 
+    bird = {
+      exporterConfig = {
+        enable = true;
+      };
+      metricProvider = {
+        services.bird2.enable = true;
+        services.bird2.config = ''
+          protocol kernel MyObviousTestString {
+            ipv4 {
+              import all;
+              export none;
+            };
+          }
+
+          protocol device {
+          }
+        '';
+      };
+      exporterTest = ''
+        wait_for_unit("prometheus-bird-exporter.service")
+        wait_for_open_port(9324)
+        succeed("curl -sSf http://localhost:9324/metrics | grep -q 'MyObviousTestString'")
+      '';
+    };
+
     blackbox = {
       exporterConfig = {
         enable = true;