template.yaml

AWSTemplateFormatVersion: 2010-09-09
Description: >-
  The relatively minimal amount of stuff to recreate the
  DeltaInitialValue problem
Transform:
- AWS::Serverless-2016-10-31

Resources:
  LambdaFunction:
    Type: AWS::Serverless::Function
    Properties:
      CodeUri: problem/
      Handler: app.lambda_handler
      Runtime: python3.9
      Architectures:
        - x86_64
      MemorySize: 128
      Timeout: 3
      Description: A minimal Lambda function that recreates the counter problem
      Layers:
        - arn:aws:lambda:ap-southeast-1:901920570463:layer:aws-otel-python-amd64-ver-1-18-0:2
      Tracing: "Active"
      Policies:
        # Give Lambda basic execution Permission to the helloFromLambda
        - AWSLambdaBasicExecutionRole
        - "arn:aws:iam::aws:policy/AWSXrayWriteOnlyAccess"
        - Version: 2012-10-17
          Statement:
            - Sid: MetricStreamAccess
              Effect: Allow
              Action:
                - "cloudwatch:PutMetricStream"
                - "cloudwatch:StopMetricStreams"
                - "cloudwatch:GetMetricStream"
                - "cloudwatch:StartMetricStreams"
                - "cloudwatch:PutMetricData"
                - "cloudwatch:GetMetricData"
              Resource: "*"
      Environment:
        Variables:
          AWS_LAMBDA_EXEC_WRAPPER: /opt/otel-instrument
          OPENTELEMETRY_COLLECTOR_CONFIG_FILE: /var/task/collector.yaml

Outputs:
  LambdaFunction:
    Description: "This lamdba function causes the problem"
    Value: !GetAtt LambdaFunction.Arn