Adding an "execute" method to Puppet::Util, and including the module in element.rb

git-svn-id: https://reductivelabs.com/svn/puppet/trunk@1227 980ebf18-57e1-0310-9a29-db15c13687c0

1 files changed, 16 insertions, 0 deletions

diff --git a/lib/puppet/util.rb b/lib/puppet/util.rb
index 50a2e1e02..2f6136ef0 100644
--- a/lib/puppet/util.rb
+++ b/lib/puppet/util.rb
@@ -4,6 +4,9 @@ require 'sync'
 require 'puppet/lock'
 
 module Puppet
+    # A command failed to execute.
+    class ExecutionFailure < RuntimeError
+    end
 module Util
     require 'benchmark'
 
@@ -346,6 +349,19 @@ module Util
         end
     end
 
+    # Execute the desired command, and return the status and output.
+    def execute(command, failonfail = true)
+        output = %x{#{command}}
+
+        if failonfail
+            unless $? == 0
+                raise ExecutionFailure, output
+            end
+        end
+
+        return output
+    end
+
     module_function :benchmark
 
     def memory