fabfile.py

@task
@roles('web')
def deploy():
  action1()
  action2()
  action3()
  action4()
  action5()
  execute(reindex)
  action6()
  action7()
  
  
@task
@roles('search')
def reindex():
  run('reindex')

fabfile2.py

@task
@roles('web')
def deploy():
  def before():
    action1()
    action2()
    action3()
    action4()
    action5()
  def after():
    action6()
    action7()
  execute(before, roles=['web'])
  execute(reindex, roles=['search'])
  execute(after, roles=['web'])

@task
def reindex():
  run('reindex')