old_contents: DEPLOY_MYSQL_WORKFLOW = (
  	'util.gen_names',
  	'util.gen_dbinfra',
  	'dbaas_cloudstack.create_vm'
  	)
  
  DEPLOY_VIRTUALMACHINE = (
              'workflow.steps.build_databaseinfra.BuildDatabaseInfra',
              'workflow.steps.create_virtualmachines.CreateVirtualMachine',
              'workflow.steps.create_dns.CreateDns'
  
  
      )
  
  DEPLOY_MONGO_WORKFLOW = (
  	'util.gen_names',
  	'util.gen_dbinfra',
  	'dbaas_cloudstack.create_vm'
  	)
  
  
new_contents: DEPLOY_MYSQL_WORKFLOW = (
  	'util.gen_names',
  	'util.gen_dbinfra',
  	'dbaas_cloudstack.create_vm'
  	)
  
  DEPLOY_VIRTUALMACHINE = (
              'workflow.steps.build_databaseinfra.BuildDatabaseInfra',
              'workflow.steps.create_virtualmachines.CreateVirtualMachine',
              'workflow.steps.create_dns.CreateDns',
              'workflow.steps.create_nfs.CreateNfs',
  
  
      )
  
  DEPLOY_MONGO_WORKFLOW = (
  	'util.gen_names',
  	'util.gen_dbinfra',
  	'dbaas_cloudstack.create_vm'
  	)
  
  
subject: Add create_nfs