From 7f84957ff2c1b023c3b1c3e22ade6881c495b120 Mon Sep 17 00:00:00 2001
From: Mathijs Kwik <mathijs@bluescreen303.nl>
Date: Sun, 1 Apr 2012 10:54:08 +0000
Subject: [PATCH] mongodb: allow running as a replicaset member

also useful for point-in time backups using mongodump --oplog

svn path=/nixos/trunk/; revision=33509
---
 modules/services/databases/mongodb.nix | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/modules/services/databases/mongodb.nix b/modules/services/databases/mongodb.nix
index 28d2a4f849c..c676d3e96e4 100644
--- a/modules/services/databases/mongodb.nix
+++ b/modules/services/databases/mongodb.nix
@@ -17,6 +17,7 @@ let
     dbpath = ${cfg.dbpath}
     logpath = ${cfg.logpath}
     logappend = ${b2s cfg.logappend}
+    ${optionalString (cfg.replSetName != "") "replSet = ${cfg.replSetName}"}
   '';
 
 in
@@ -77,6 +78,14 @@ in
         default = false;
         description = "Use V8 instead of spidermonkey for js execution";
       };
+
+      replSetName = mkOption {
+        default = "";
+        description = ''
+          If this instance is part of a replica set, set its name here.
+          Otherwise, leave empty to run as single node.
+        '';
+      };
     };
 
   };