1 files changed, 5 insertions, 0 deletions
diff --git a/lib/oxidized/core.rb b/lib/oxidized/core.rb
index 71267dd..6e7a352 100644
--- a/lib/oxidized/core.rb
+++ b/lib/oxidized/core.rb
@@ -6,6 +6,7 @@ module Oxidized
   require 'oxidized/worker'
   require 'oxidized/nodes'
   require 'oxidized/manager'
+  require 'oxidized/hook'
   class << self
     def new *args
       Core.new args
@@ -13,9 +14,13 @@ module Oxidized
   end
 
   class Core
+    class NoNodesFound < OxidizedError; end
+
     def initialize args
       Oxidized.mgr = Manager.new
+      Oxidized.Hooks = HookManager.from_config CFG
       nodes        = Nodes.new
+      raise NoNodesFound, 'source returns no usable nodes' if nodes.size == 0
       @worker      = Worker.new nodes
       trap('HUP') { nodes.load }
       if CFG.rest?