From 3907d19260520a2939d8463e0fe0a65bd6f60b37 Mon Sep 17 00:00:00 2001
From: Graham Christensen <graham@grahamc.com>
Date: Mon, 20 Dec 2021 10:57:31 -0500
Subject: [PATCH] services.prometheus.exporters.fastly: add a smoke test

---
 .../monitoring/prometheus/exporters/fastly.nix      |  2 +-
 nixos/tests/prometheus-exporters.nix                | 13 +++++++++++++
 2 files changed, 14 insertions(+), 1 deletion(-)

diff --git a/nixos/modules/services/monitoring/prometheus/exporters/fastly.nix b/nixos/modules/services/monitoring/prometheus/exporters/fastly.nix
index 551c61ba9e44..55a61c4949ee 100644
--- a/nixos/modules/services/monitoring/prometheus/exporters/fastly.nix
+++ b/nixos/modules/services/monitoring/prometheus/exporters/fastly.nix
@@ -33,7 +33,7 @@ in
       ${optionalString (cfg.tokenPath != null)
       "export FASTLY_API_TOKEN=$(cat ${toString cfg.tokenPath})"}
       ${pkgs.prometheus-fastly-exporter}/bin/fastly-exporter \
-        -endpoint http://${cfg.listenAddress}:${toString cfg.port}/metrics
+        -listen http://${cfg.listenAddress}:${toString cfg.port}
         ${optionalString cfg.debug "-debug true"} \
         ${optionalString (cfg.configFile != null) "-config-file ${cfg.configFile}"}
     '';
diff --git a/nixos/tests/prometheus-exporters.nix b/nixos/tests/prometheus-exporters.nix
index 008a5edd071d..036c037e426c 100644
--- a/nixos/tests/prometheus-exporters.nix
+++ b/nixos/tests/prometheus-exporters.nix
@@ -259,6 +259,19 @@ let
       '';
     };
 
+    fastly = {
+      exporterConfig = {
+        enable = true;
+        tokenPath = pkgs.writeText "token" "abc123";
+      };
+
+      # noop: fastly's exporter can't start without first talking to fastly
+      # see: https://github.com/peterbourgon/fastly-exporter/issues/87
+      exporterTest = ''
+        succeed("true");
+      '';
+    };
+
     fritzbox = {
       # TODO add proper test case
       exporterConfig = {