From 49a5377557a8c3695b96e5cece1db315c72ddc86 Mon Sep 17 00:00:00 2001
From: Dan Fithian <danielf@vitalbio.com>
Date: Tue, 5 Jul 2022 08:12:10 -0400
Subject: [PATCH] heartbeat service: specify package

Other elastic services can specify the package. Now we can also do it for heartbeat.
---
 nixos/modules/services/logging/heartbeat.nix | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/nixos/modules/services/logging/heartbeat.nix b/nixos/modules/services/logging/heartbeat.nix
index 56fb4deabda5..843ec033911f 100644
--- a/nixos/modules/services/logging/heartbeat.nix
+++ b/nixos/modules/services/logging/heartbeat.nix
@@ -20,6 +20,16 @@ in
 
       enable = mkEnableOption "heartbeat";
 
+      package = mkOption {
+        type = types.package;
+        default = pkgs.heartbeat;
+        defaultText = literalExpression "pkgs.heartbeat";
+        example = literalExpression "pkgs.heartbeat7";
+        description = ''
+          The heartbeat package to use.
+        '';
+      };
+
       name = mkOption {
         type = types.str;
         default = "heartbeat";
@@ -67,7 +77,7 @@ in
       serviceConfig = {
         User = "nobody";
         AmbientCapabilities = "cap_net_raw";
-        ExecStart = "${pkgs.heartbeat}/bin/heartbeat -c \"${heartbeatYml}\" -path.data \"${cfg.stateDir}/data\" -path.logs \"${cfg.stateDir}/logs\"";
+        ExecStart = "${cfg.package}/bin/heartbeat -c \"${heartbeatYml}\" -path.data \"${cfg.stateDir}/data\" -path.logs \"${cfg.stateDir}/logs\"";
       };
     };
   };