lib/cloudkick/commands/parallel.rb in cloudkick-0.2.8 vs lib/cloudkick/commands/parallel.rb in cloudkick-0.2.9

@@ -1,11 +1,11 @@
 require 'tempfile'
 
 module Cloudkick::Command
   class Pssh < Base
     def index
-      unless args.size == 6 or args.size == 8
+      unless args.size == 4 or args.size == 6
         raise CommandFailed, 'usage: cloudkick pssh --query <query> ' \
         '--username <username> ' \
         '--command <command>'
       end
 
@@ -25,10 +25,14 @@
         end
       end
       
       file.flush
       begin
-        system("pssh -i -h #{file.path} -l #{username} '#{command}'")
+        if username
+          system("pssh -i -h #{file.path} -l #{username} '#{command}'")
+        else
+          system("pssh -i -h #{file.path} '#{command}'")
+        end
       rescue
         raise CommandFailed, 'cloudkick: command not found: pssh'
       end
       file.close
     end