aws.py 文件源码

def create_aws_instances():
    """
    Create AWS instances and let Fabric point to them

    This method creates AWS instances and points the fabric environment to them with
    the current public IP and username.
    """

    default_if_empty(env, 'AWS_KEY_NAME',      DEFAULT_AWS_KEY_NAME)
    default_if_empty(env, 'AWS_INSTANCE_NAME', default_instance_name)

    # Create the key pair and security group if necessary
    conn = connect()
    aws_create_key_pair(conn)
    sgid = check_create_aws_sec_group(conn)

    # Create the instance in AWS
    host_names = create_instances(conn, sgid)

    # Update our fabric environment so from now on we connect to the
    # AWS machine using the correct user and SSH private key
    env.hosts = host_names
    env.key_filename = key_filename(env.AWS_KEY_NAME)
    if env.AWS_AMI_NAME in ['CentOS', 'SLES']:
        env.user = 'root'
    else:
        env.user = 'ec2-user'

    # Instances have started, but are not usable yet, make sure SSH has started
    puts('Started the instance(s) now waiting for the SSH daemon to start.')
    execute(check_ssh, timeout=300)