lib/testlab/providers/vagrant.rb in testlab-0.4.5 vs lib/testlab/providers/vagrant.rb in testlab-0.4.6

@@ -7,10 +7,11 @@
 
     # Vagrant Provider Class
     #
     # @author Zachary Patten <zachary AT jovelabs DOT com>
     class Vagrant
+      require 'zlib'
 
       # States which indicate the VM is running
       RUNNING_STATES  = %w(running).map(&:to_sym)
 
       # States which indicate the VM is shut down
@@ -136,12 +137,11 @@
       def ip
         (@config[:vagrant][:ip] || "192.168.33.#{last_octet}")
       end
 
       def last_octet
-        hash = instance_id.hash
-        hash = (hash < 0 ? (hash * -1) : hash)
-        (hash.modulo(254) + 1)
+        crc32 = Zlib.crc32(self.instance_id)
+        (crc32.modulo(254) + 1)
       end
 
       def port
         (@config[:vagrant][:port] || 22)
       end