def backup_from_latest_automated(self, backup_resource: BackupResource):
rds_client = AwsHelper.boto3_client('rds',
arn=self.role_arn,
external_id=self.role_external_id)
auto_snapshots = rds_client.describe_db_cluster_snapshots(
DBClusterIdentifier=backup_resource.entity_id,
SnapshotType='automated',
# API always returns in date descending order, and we only need last one
MaxRecords=20)
auto_snapshots = sorted(auto_snapshots['DBClusterSnapshots'],
key=lambda k: k['SnapshotCreateTime'],
reverse=True)
if len(auto_snapshots) == 0:
self.logger.info(
f"There is no latest automated backup for cluster {backup_resource.entity_id},"
f" fallback to RDS_CREATE_SNAPSHOT mode. Creating snapshot directly on cluster..."
)
return self.backup_from_cluster(backup_resource)
# TODO handle case when there are no latest automated backups
automated_snapshot_id = auto_snapshots[0][
'DBClusterSnapshotIdentifier']
response = rds_client.copy_db_cluster_snapshot(
SourceDBClusterSnapshotIdentifier=automated_snapshot_id,
TargetDBClusterSnapshotIdentifier=backup_resource.name,
CopyTags=False)
backup_resource.resource_properties = response['DBClusterSnapshot']
backup_resource.backup_id = backup_resource.name
return backup_resource
def backup_from_latest_automated(self, backup_resource: BackupResource):
rds_client = AwsHelper.boto3_client('rds',
arn=self.role_arn,
external_id=self.role_external_id)
response = rds_client.describe_db_snapshots(
DBInstanceIdentifier=backup_resource.entity_id,
SnapshotType='automated',
# API always returns in date descending order, and we only need last one
MaxRecords=20)
# filter out any snapshots that could be in progress
available_snapshots = [
snap for snap in response['DBSnapshots']
if snap['Status'] == 'available'
]
auto_snapshots = sorted(available_snapshots,
key=lambda k: k['SnapshotCreateTime'],
reverse=True)
if len(auto_snapshots) == 0:
self.logger.info(
f"There is no latest automated backup for cluster {backup_resource.entity_id},"
f" fallback to RDS_CREATE_SNAPSHOT mode. Creating snapshot directly on cluster..."
)
return self.backup_from_instance(backup_resource)
automated_snapshot_id = auto_snapshots[0]['DBSnapshotIdentifier']
response = rds_client.copy_db_snapshot(
SourceDBSnapshotIdentifier=automated_snapshot_id,
TargetDBSnapshotIdentifier=backup_resource.name,
CopyTags=False)
backup_resource.resource_properties = response['DBSnapshot']
backup_resource.backup_id = backup_resource.name
return backup_resource
