@task
def create_user(userName=None, userId=None, userPass=None, isAdmin=False):
    '''
    create_user:userName=None,userId=None,userPass=None,isAdmin=False
    '''
    env.parallel = True
    if not contains('/etc/group', userId, use_sudo=True):
        print((colors.red('Adding user %s in Host(s) %s' % (userId, env.hosts))))
        sudo("adduser  --disabled-password --gecos '%s' --shell /bin/false %s" % (userName, userId))
        sudo('echo "%s:%s" | chpasswd' % (userId, userPass))
        if isAdmin:
            sudo("usermod -g %s -G www-data,adm,sudo %s " % (userId, userId))