lib/cloudkick/commands/parallel.rb in cloudkick-0.2.2 vs lib/cloudkick/commands/parallel.rb in cloudkick-0.2.3

@@ -26,10 +26,14 @@
           file.puts node.ipaddress
         end
       end
       
       file.flush
-      exec("pssh -h #{file.path} -l #{username} -o #{output} #{command}")
+      begin
+        exec("pssh -h #{file.path} -l #{username} -o #{output} #{command}")
+      rescue
+        raise CommandFailed, 'cloudkick: command not found: pssh'
+      end
       file.close
     end
   end
 
   class Pscp < Base