File size: 888 Bytes
d8ad0fd | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 | import boto3
from retry import retry
@retry(ValueError, delay=2, jitter=1.5, tries=10)
def get_ddb_idempotency_record(
function_name: str,
table_name: str,
) -> int:
"""_summary_
Parameters
----------
function_name : str
Name of Lambda function to fetch dynamodb record
table_name : str
Name of DynamoDB table
Returns
-------
int
Count of records found
Raises
------
ValueError
When no record is found within retry window
"""
ddb_client = boto3.resource("dynamodb")
table = ddb_client.Table(table_name)
ret = table.scan(
FilterExpression="contains (id, :functionName)",
ExpressionAttributeValues={":functionName": f"{function_name}#"},
)
if not ret["Items"]:
raise ValueError("Empty response from DynamoDB Repeating...")
return ret["Count"]
|