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116 changes: 91 additions & 25 deletions datadog_lambda/tracing.py
Original file line number Diff line number Diff line change
Expand Up @@ -7,7 +7,13 @@
import os
import json
from datetime import datetime, timezone
from typing import Optional, Literal, Dict
from typing import Optional, Dict

try:
from typing import Literal
except ImportError:
# Literal was added to typing in python 3.8
from typing_extensions import Literal

from datadog_lambda.constants import (
SamplingPriority,
Expand Down Expand Up @@ -442,24 +448,30 @@ def is_api_gateway_invocation_async(event):


def create_inferred_span_from_api_gateway_websocket_event(event, context):
domain = event["requestContext"]["domainName"]
endpoint = event["requestContext"]["routeKey"]
request_context = event["requestContext"]
domain = request_context["domainName"]
endpoint = request_context["routeKey"]
tags = {
"operation_name": "aws.apigateway.websocket",
"http.url": domain + endpoint,
"endpoint": endpoint,
"resource_names": domain + endpoint,
"request_id": context.aws_request_id,
"connection_id": event["requestContext"]["connectionId"],
"resource_names": endpoint,
"apiid": request_context["apiId"],
"apiname": request_context["apiId"],
"stage": request_context["stage"],
"request_id": request_context["requestId"],
"connection_id": request_context["connectionId"],
"event_type": request_context["eventType"],
"message_direction": request_context["messageDirection"],
}
request_time_epoch = request_context["requestTimeEpoch"]
if is_api_gateway_invocation_async(event):
InferredSpanInfo.set_tags(tags, tag_source="self", synchronicity="async")
else:
InferredSpanInfo.set_tags(tags, tag_source="self", synchronicity="sync")
request_time_epoch = event["requestContext"]["requestTimeEpoch"]
args = {
"service": domain,
"resource": domain + endpoint,
"resource": endpoint,
"span_type": "web",
}
tracer.set_tags({"_dd.origin": "lambda"})
Expand All @@ -471,24 +483,30 @@ def create_inferred_span_from_api_gateway_websocket_event(event, context):


def create_inferred_span_from_api_gateway_event(event, context):
domain = event["requestContext"]["domainName"]
request_context = event["requestContext"]
domain = request_context["domainName"]
method = event["httpMethod"]
path = event["path"]
resource = "{0} {1}".format(method, path)
tags = {
"operation_name": "aws.apigateway.rest",
"http.url": domain + path,
"endpoint": path,
"http.method": event["httpMethod"],
"resource_names": domain + path,
"request_id": context.aws_request_id,
"http.method": method,
"resource_names": resource,
"apiid": request_context["apiId"],
"apiname": request_context["apiId"],
"stage": request_context["stage"],
"request_id": request_context["requestId"],
}
request_time_epoch = request_context["requestTimeEpoch"]
if is_api_gateway_invocation_async(event):
InferredSpanInfo.set_tags(tags, tag_source="self", synchronicity="async")
else:
InferredSpanInfo.set_tags(tags, tag_source="self", synchronicity="sync")
request_time_epoch = event["requestContext"]["requestTimeEpoch"]
args = {
"service": domain,
"resource": domain + path,
"resource": resource,
"span_type": "http",
}
tracer.set_tags({"_dd.origin": "lambda"})
Expand All @@ -500,24 +518,33 @@ def create_inferred_span_from_api_gateway_event(event, context):


def create_inferred_span_from_http_api_event(event, context):
domain = event["requestContext"]["domainName"]
request_context = event["requestContext"]
domain = request_context["domainName"]
method = request_context["http"]["method"]
path = event["rawPath"]
resource = "{0} {1}".format(method, path)
tags = {
"operation_name": "aws.httpapi",
"http.url": domain + path,
"endpoint": path,
"http.method": event["requestContext"]["http"]["method"],
"resource_names": domain + path,
"http.url": domain + path,
"http.method": request_context["http"]["method"],
"http.protocol": request_context["http"]["protocol"],
"http.source_ip": request_context["http"]["sourceIp"],
"http.user_agent": request_context["http"]["userAgent"],
"resource_names": resource,
"request_id": context.aws_request_id,
"apiid": request_context["apiId"],
"apiname": request_context["apiId"],
"stage": request_context["stage"],
}
request_time_epoch = request_context["timeEpoch"]
if is_api_gateway_invocation_async(event):
InferredSpanInfo.set_tags(tags, tag_source="self", synchronicity="async")
else:
InferredSpanInfo.set_tags(tags, tag_source="self", synchronicity="sync")
request_time_epoch = event["requestContext"]["timeEpoch"]
args = {
"service": domain,
"resource": domain + path,
"resource": resource,
"span_type": "http",
}
tracer.set_tags({"_dd.origin": "lambda"})
Expand All @@ -530,10 +557,15 @@ def create_inferred_span_from_http_api_event(event, context):

def create_inferred_span_from_sqs_event(event, context):
event_record = get_first_record(event)
queue_name = event_record["eventSourceARN"].split(":")[-1]
event_source_arn = event_record["eventSourceARN"]
queue_name = event_source_arn.split(":")[-1]
tags = {
"operation_name": "aws.sqs",
"resource_names": queue_name,
"queuename": queue_name,
"event_source_arn": event_source_arn,
"receipt_handle": event_record["receiptHandle"],
"sender_id": event_record["attributes"]["SenderId"],
}
InferredSpanInfo.set_tags(tags, tag_source="self", synchronicity="async")
request_time_epoch = event_record["attributes"]["SentTimestamp"]
Expand All @@ -552,10 +584,18 @@ def create_inferred_span_from_sqs_event(event, context):

def create_inferred_span_from_sns_event(event, context):
event_record = get_first_record(event)
topic_name = event_record["Sns"]["TopicArn"].split(":")[-1]
sns_message = event_record["Sns"]
topic_arn = event_record["Sns"]["TopicArn"]
topic_name = topic_arn.split(":")[-1]
tags = {
"operation_name": "aws.sns",
"resource_names": topic_name,
"topicname": topic_name,
"topic_arn": topic_arn,
"message_id": sns_message["MessageId"],
"type": sns_message["Type"],
"subject": sns_message["Subject"],
"event_subscription_arn": event_record["EventSubscriptionArn"],
}
InferredSpanInfo.set_tags(tags, tag_source="self", synchronicity="async")
sns_dt_format = "%Y-%m-%dT%H:%M:%S.%fZ"
Expand All @@ -577,10 +617,20 @@ def create_inferred_span_from_sns_event(event, context):

def create_inferred_span_from_kinesis_event(event, context):
event_record = get_first_record(event)
stream_name = event_record["eventSourceARN"].split(":")[-1]
event_source_arn = event_record["eventSourceARN"]
event_id = event_record["eventID"]
stream_name = event_source_arn.split(":")[-1]
shard_id = event_id.split(":")[0]
tags = {
"operation_name": "aws.kinesis",
"resource_names": stream_name,
"streamname": stream_name,
"shardid": shard_id,
"event_source_arn": event_source_arn,
"event_id": event_id,
"event_name": event_record["eventName"],
"event_version": event_record["eventVersion"],
"partition_key": event_record["kinesis"]["partitionKey"],
}
InferredSpanInfo.set_tags(tags, tag_source="self", synchronicity="async")
request_time_epoch = event_record["kinesis"]["approximateArrivalTimestamp"]
Expand All @@ -600,14 +650,22 @@ def create_inferred_span_from_kinesis_event(event, context):

def create_inferred_span_from_dynamodb_event(event, context):
event_record = get_first_record(event)
table_name = event_record["eventSourceARN"].split("/")[1]
event_source_arn = event_record["eventSourceARN"]
table_name = event_source_arn.split("/")[1]
dynamodb_message = event_record["dynamodb"]
tags = {
"operation_name": "aws.dynamodb",
"resource_names": table_name,
"tablename": table_name,
"event_source_arn": event_source_arn,
"event_id": event_record["eventID"],
"event_name": event_record["eventName"],
"event_version": event_record["eventVersion"],
"stream_view_type": dynamodb_message["StreamViewType"],
"size_bytes": dynamodb_message["SizeBytes"],
}
InferredSpanInfo.set_tags(tags, synchronicity="async", tag_source="self")
request_time_epoch = event_record["dynamodb"]["ApproximateCreationDateTime"]

args = {
"service": "dynamodb",
"resource": table_name,
Expand All @@ -617,6 +675,7 @@ def create_inferred_span_from_dynamodb_event(event, context):
span = tracer.trace("aws.dynamodb", **args)
if span:
span.set_tags(tags)

span.start = int(request_time_epoch)
return span

Expand All @@ -627,6 +686,12 @@ def create_inferred_span_from_s3_event(event, context):
tags = {
"operation_name": "aws.s3",
"resource_names": bucket_name,
"event_name": event_record["eventName"],
"bucketname": bucket_name,
"bucket_arn": event_record["s3"]["bucket"]["arn"],
"object_key": event_record["s3"]["object"]["key"],
"object_size": event_record["s3"]["object"]["size"],
"object_etag": event_record["s3"]["etag"],
}
InferredSpanInfo.set_tags(tags, synchronicity="async", tag_source="self")
dt_format = "%Y-%m-%dT%H:%M:%S.%fZ"
Expand All @@ -651,6 +716,7 @@ def create_inferred_span_from_eventbridge_event(event, context):
tags = {
"operation_name": "aws.eventbridge",
"resource_names": source,
"detail_type": event["detail-type"],
}
InferredSpanInfo.set_tags(
tags,
Expand Down
1 change: 1 addition & 0 deletions pyproject.toml
Original file line number Diff line number Diff line change
Expand Up @@ -28,6 +28,7 @@ datadog = "^0.41.0"
wrapt = "^1.11.2"
ddtrace = "^0.50.0"
importlib_metadata = {version = "^1.0", python = "<3.8"}
typing_extensions = {version = "^4.0", python = "<3.8"}
boto3 = { version = "^1.10.33", optional = true }
requests = { version ="^2.22.0", optional = true }
nose2 = { version= "^0.9.1", optional = true }
Expand Down
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