r, e = s.exec_cmd('fuel plugins --install %s' % f, False)
if e and 'does not update installed package' not in r:
raise Exception('Installation of Fuel Plugin %s '
r, e = s.exec_cmd('fuel plugins --install %s' % f, False)
if e and 'does not update installed package' not in r:
raise Exception('Installation of Fuel Plugin %s '