ec2.py 文件源码

def get_rds_instances_by_region(self, region):
        ''' Makes an AWS API call to the list of RDS instances in a particular
        region '''

        if not HAS_BOTO3:
            self.fail_with_error("Working with RDS instances requires boto3 - please install boto3 and try again",
                                 "getting RDS instances")

        client = ec2_utils.boto3_inventory_conn('client', 'rds', region, **self.credentials)
        db_instances = client.describe_db_instances()

        try:
            conn = self.connect_to_aws(rds, region)
            if conn:
                marker = None
                while True:
                    instances = conn.get_all_dbinstances(marker=marker)
                    marker = instances.marker
                    for index, instance in enumerate(instances):
                        # Add tags to instances.
                        instance.arn = db_instances['DBInstances'][index]['DBInstanceArn']
                        tags = client.list_tags_for_resource(ResourceName=instance.arn)['TagList']
                        instance.tags = {}
                        for tag in tags:
                            instance.tags[tag['Key']] = tag['Value']

                        self.add_rds_instance(instance, region)
                    if not marker:
                        break
        except boto.exception.BotoServerError as e:
            error = e.reason

            if e.error_code == 'AuthFailure':
                error = self.get_auth_error_message()
            elif e.error_code == "OptInRequired":
                error = "RDS hasn't been enabled for this account yet. " \
                    "You must either log in to the RDS service through the AWS console to enable it, " \
                    "or set 'rds = False' in ec2.ini"
            elif not e.reason == "Forbidden":
                error = "Looks like AWS RDS is down:\n%s" % e.message
            self.fail_with_error(error, 'getting RDS instances')