# yaml-language-server: $schema=../../../cdk.schema.json
Parameters:
  DashboardName:
    Type: String
    Default: SampleDashboard
    AllowedPattern: ^[a-zA-Z0-9-_]*$
Resources:
  SampleLambda:
    Type: aws-cdk-lib.aws_lambda.Function
    Properties:
      runtime: NODEJS_16_X
      handler: index.handler
      code:
        aws-cdk-lib.aws_lambda.Code.fromAsset: examples/lambda-handler
      memorySize: 512
      timeout:
        aws-cdk-lib.Duration.seconds: 10
  Invocations:
    Type: aws-cdk-lib.aws_cloudwatch.Metric
    Call:
      - SampleLambda
      - metricInvocations: ~
  Errors:
    Type: aws-cdk-lib.aws_cloudwatch.Metric
    Call:
      - SampleLambda
      - metricErrors: ~
  Duration:
    Type: aws-cdk-lib.aws_cloudwatch.Metric
    Call:
      - SampleLambda
      - metricDuration: ~
  Throttles:
    Type: aws-cdk-lib.aws_cloudwatch.Metric
    Call:
      - SampleLambda
      - metricThrottles: ~
  TitleWidget:
    Type: aws-cdk-lib.aws_cloudwatch.TextWidget
    Properties:
      markdown: !Join
        - ''
        - - '# Operational Metrics: '
          - !Ref SampleLambda
  ServiceDashboard:
    Type: aws-cdk-lib.aws_cloudwatch.Dashboard
    Properties:
      dashboardName: !Ref DashboardName
      widgets:
        - - !Ref TitleWidget
          - aws-cdk-lib.aws_cloudwatch.GraphWidget:
              title: Invocations
              left: [!Ref Invocations]
          - aws-cdk-lib.aws_cloudwatch.GraphWidget:
              title: Errors
              left: [!Ref Errors]
          - aws-cdk-lib.aws_cloudwatch.GraphWidget:
              title: Duration
              left: [!Ref Duration]
          - aws-cdk-lib.aws_cloudwatch.GraphWidget:
              title: Throttles
              left: [!Ref Throttles]
          - aws-cdk-lib.aws_cloudwatch.LogQueryWidget:
              logGroupNames:
                - CDK::GetProp: SampleLambda.logGroup.logGroupName
              queryLines:
                - 'fields @timestamp, @message'
                - 'sort @timestamp desc'
                - 'limit 20'
              width: 24