From 5ee75e236c0cf758ed6b1188e10448acfcbc93b4 Mon Sep 17 00:00:00 2001
From: Shea Levy <shea@shealevy.com>
Date: Fri, 12 Jun 2015 15:56:06 -0400
Subject: apache-kafka: Enable overriding the kafka package

---
 nixos/modules/services/misc/apache-kafka.nix | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

(limited to 'nixos/modules/services')

diff --git a/nixos/modules/services/misc/apache-kafka.nix b/nixos/modules/services/misc/apache-kafka.nix
index 90555ebc468b..5314a096fe0e 100644
--- a/nixos/modules/services/misc/apache-kafka.nix
+++ b/nixos/modules/services/misc/apache-kafka.nix
@@ -116,11 +116,19 @@ in {
       ];
     };
 
+    package = mkOption {
+      description = "The kafka package to use";
+
+      default = pkgs.apacheKafka;
+
+      type = types.package;
+    };
+
   };
 
   config = mkIf cfg.enable {
 
-    environment.systemPackages = [pkgs.apacheKafka];
+    environment.systemPackages = [cfg.package];
 
     users.extraUsers = singleton {
       name = "apache-kafka";
@@ -136,7 +144,7 @@ in {
       serviceConfig = {
         ExecStart = ''
           ${pkgs.jre}/bin/java \
-            -cp "${pkgs.apacheKafka}/libs/*:${configDir}" \
+            -cp "${cfg.package}/libs/*:${configDir}" \
             ${toString cfg.jvmOptions} \
             kafka.Kafka \
             ${configDir}/server.properties
-- 
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