ec2_service.py 文件源码

def __init__(self,
                 profile_names=None,
                 access_key_id=None,
                 secret_access_key=None,
                 iam_role_discover=False):
        '''
        Create a EC2 service client to one ore more environments by name.
        '''
        service = 'ec2'

        orca_config = OrcaConfig()
        self.regions = orca_config.get_regions()
        self.clients = {}

        if profile_names is not None:
            for profile_name in profile_names:
                session = boto3.Session(profile_name=profile_name)
                self.clients[profile_name] = session.client(service)
        elif access_key_id is not None and secret_access_key is not None:
            self.clients['default'] = boto3.client(
                service,
                aws_access_key_id=access_key_id,
                aws_secret_access_key=secret_access_key)
        else:
            if iam_role_discover:
                session = boto3.Session()
                self.clients['default'] = {}
                for region in self.regions:
                    self.clients['default'][region] = \
                        session.client(service, region_name=region)
            else:
                self.awsconfig = AwsConfig()
                profiles = self.awsconfig.get_profiles()

                for profile in profiles:
                    session = boto3.Session(profile_name=profile)
                    self.clients[profile] = {}
                    for region in self.regions:
                        self.clients[profile][region] = \
                            session.client(service, region_name=region)