def __init__(self, customer_name, credentials, data_source, report_name=None, **kwargs):
"""
Constructor.
Args:
customer_name (String) Name of the customer
credentials (Dict) credentials credential for S3 bucket (RoleARN)
report_name (String) Name of the Cost Usage Report to download (optional)
bucket (String) Name of the S3 bucket containing the CUR
"""
super().__init__(**kwargs)
arn = credentials.get("role_arn")
bucket = data_source.get("bucket")
if customer_name[4:] in settings.DEMO_ACCOUNTS:
demo_account = settings.DEMO_ACCOUNTS.get(customer_name[4:])
LOG.info(f"Info found for demo account {customer_name[4:]} = {demo_account}.")
if arn in demo_account:
demo_info = demo_account.get(arn)
self.customer_name = customer_name.replace(" ", "_")
self._provider_uuid = kwargs.get("provider_uuid")
self.report_name = demo_info.get("report_name")
self.report = {"S3Bucket": bucket, "S3Prefix": demo_info.get("report_prefix"), "Compression": "GZIP"}
self.bucket = bucket
session = utils.get_assume_role_session(utils.AwsArn(arn), "MasuDownloaderSession")
self.s3_client = session.client("s3")
return
self.customer_name = customer_name.replace(" ", "_")
self._provider_uuid = kwargs.get("provider_uuid")
LOG.debug("Connecting to AWS...")
session = utils.get_assume_role_session(utils.AwsArn(arn), "MasuDownloaderSession")
self.cur = session.client("cur")
# fetch details about the report from the cloud provider
defs = self.cur.describe_report_definitions()
if not report_name:
report_names = []
for report in defs.get("ReportDefinitions", []):
if bucket == report.get("S3Bucket"):
report_names.append(report["ReportName"])
# FIXME: Get the first report in the bucket until Koku can specify
# which report the user wants
if report_names:
report_name = report_names[0]
self.report_name = report_name
self.bucket = bucket
report_defs = defs.get("ReportDefinitions", [])
report = [rep for rep in report_defs if rep["ReportName"] == self.report_name]
if not report:
raise MasuProviderError("Cost and Usage Report definition not found.")
self.report = report.pop()
self.s3_client = session.client("s3")
def _init_session(self):
"""
Set or get a session client for aws organizations
Args:
session = aws session
"""
session = utils.get_assume_role_session(utils.AwsArn(self._auth_cred))
session_client = session.client("organizations")
LOG.info("Starting aws organizations session for crawler.")
self._client = session_client
def test_get_assume_role_session(self, mock_boto_client):
session = utils.get_assume_role_session(self.arn)
self.assertIsInstance(session, boto3.Session)
def test_get_assume_role_session(self, mock_boto_client):
"""Test get_assume_role_session is successful."""
session = utils.get_assume_role_session(self.arn)
self.assertIsInstance(session, boto3.Session)
