change boto3 endpoint if debug mode is enabled

should this go here in 'production' code, even though it's a
testing tool? this may be changed in the near future. i've just
got a gut feeling that this might not be right.

1 files changed, 14 insertions, 1 deletions

diff --git a/obfuscator/csv_reader.py b/obfuscator/csv_reader.py
index c777998..8f4ebea 100644
--- a/obfuscator/csv_reader.py
+++ b/obfuscator/csv_reader.py
@@ -1,6 +1,7 @@
 import csv
 import io
 import boto3
+import os
 from typing import List, Dict
 from obfuscator.logger import get_logger
 from obfuscator.utils import get_s3_path
@@ -52,7 +53,19 @@ class CSVReader:
         bucket, key = get_s3_path(path)
         logger.debug(f"Reading S3 CSV from: {bucket}/{key}")
 
-        client = boto3.client("s3")
+        # If DEBUG=TRUE, use the localstack endpoint for testing
+        if os.getenv("DEBUG", "FALSE").upper() == "TRUE":
+            localstack_endpoint = "http://localhost.localstack.cloud:4566"
+            logger.debug("Using LocalStack endpoint for S3")
+            client = boto3.client(
+                "s3",
+                endpoint_url=localstack_endpoint,
+                aws_access_key_id="dummy",
+                aws_secret_access_key="dummy",
+            )
+            logger.debug(f"endpoint_url: {localstack_endpoint}")
+        else:
+            client = boto3.client("s3")
 
         try:
             # Attempt to read the S3 object and return the data as a list of dictionaries