Update

Author: mrichman

Monitoring-Debugging/Tracing-with-X-Ray/README.md

@@ -20,6 +20,7 @@ aws dynamodb create-table --table-name Flask \
 ## Configure Zappa
 
 ```sh
+cd example
 pipenv --python 3.7
 pipenv shell
 pipenv install aws-xray-sdk flask zappa requests

Monitoring-Debugging/Tracing-with-X-Ray/example/app.py

@@ -1,16 +1,15 @@
-import json
 import logging
 import uuid
 
 import boto3
 import requests
 from flask import Flask
 
-from aws_xray_sdk.core import patcher, xray_recorder
+from aws_xray_sdk.core import patch_all, xray_recorder
 from aws_xray_sdk.ext.flask.middleware import XRayMiddleware
 
-# Patch the requests module to enable automatic instrumentation
-patcher.patch(('requests',))
+# Patch all supported modules to enable automatic instrumentation
+patch_all()
 
 app = Flask(__name__)
 logging.basicConfig()
@@ -29,9 +28,6 @@
 
 table_param = ssm.get_parameter(Name='/dev/example/table_name')
 table_name = table_param['Parameter']['Value']
-
-logger.info('Table name:' + table_name)
-
 table = dynamodb.Table(table_name)
 
 
@@ -41,12 +37,14 @@ def hello_world():
 
     logger.debug(r.text)
 
+    xray_recorder.begin_subsegment('DynamoDB PutItem')
     table.put_item(
         Item={
             'key': str(uuid.uuid1()),
             'response': r.text
         }
     )
+    xray_recorder.end_subsegment()
 
     return 'Hello, World: %s' % r.url