in cookbooks/aws-parallelcluster-slurm/files/default/head_node_checks/common/ddb_utils.py [0:0]
def get_cluster_config_records(table_name: str, instance_ids: [str], region: str):
ddb = boto_client("dynamodb", region_name=region)
if not instance_ids:
logger.warning("No instances to retrieve cluster config records for")
return []
item_ids = [CLUSTER_CONFIG_DDB_ID.format(instance_id=instance_id) for instance_id in instance_ids]
requested_keys = [{"Id": {"S": item_id}} for item_id in item_ids]
try:
response = ddb.batch_get_item(RequestItems={table_name: {"Keys": requested_keys}})
items = response.get("Responses", {}).get(table_name, [])
except Exception as e:
raise RuntimeError(f"Cannot read config versions due to DDB error: {e}")
return items