cloudwatch_cfn.yml

AWSTemplateFormatVersion: '2010-09-09'
Metadata:
  License: Apache-2.0
Description: 'AWS CloudFormation for Cloudwatch monitoring'

#Parameters
Parameters:
  EmailRecipient:
    Type: String
    Default: alarm@test.test.be
    Description: Email Address used in the Listener Lambda to send initial message.
  Environment:
    Type: String
    AllowedValues:
      - dev
      - test
      - prod
      - sandbox
    ConstraintDescription: Values can only be dev, test or prod
    Description: The environment where the stack will be deployed. The environment value will be used to prefix all the different resources of the stack. Defaults to dev.
  ApplicationId:
    Type: String
    AllowedPattern: '[a-z0-9\-]+'
    Description: Must contain your business purpose string.
  CompanyId:
    Type: String
    Default: jetlab
    Description: Contain a string to create a unique bucket.
  LambdaToMonitor:
    Type: String
    Description: Contain a Lambda Name



#Resources
Resources:
  #SNS Topics Fulfilled by API Event
  AlarmSNSTopic:
    Type: AWS::SNS::Topic
    Properties:
      DisplayName: !Join ["", [!Ref Environment, "-", !Ref ApplicationId,"-alarm"]]
      TopicName: !Join ["", [!Ref Environment, "-", !Ref ApplicationId,"-alarm" ]]
      Subscription:
        - Endpoint: !Ref EmailRecipient
          Protocol: email

  CloudwatchAlarmError:
    Type: AWS::CloudWatch::Alarm
    Properties:
      ActionsEnabled: true
      AlarmDescription: Trigger alarm when Lambda Error is too high
      AlarmActions:
        - !Ref AlarmSNSTopic
      AlarmName: !Join ["", [ !Ref LambdaToMonitor,"-high-error-alarm" ]]
      ComparisonOperator: GreaterThanThreshold
      EvaluationPeriods: 1
      Period: 60
      Threshold: 0.0
      Statistic: Average
      MetricName: Errors
      Namespace: AWS/Lambda
      Dimensions:
        - Name: FunctionName
          Value: !Ref LambdaToMonitor
      TreatMissingData: ignore

  CloudwatchAlarmDuration:
    Type: AWS::CloudWatch::Alarm
    Properties:
      ActionsEnabled: true
      AlarmDescription: Trigger alarm when Lambda Duration is too high
      AlarmActions:
        - !Ref AlarmSNSTopic
      AlarmName: !Join ["", [ !Ref LambdaToMonitor,"-high-duration-alarm" ]]
      ComparisonOperator: GreaterThanThreshold
      EvaluationPeriods: 1
      Period: 60
      Threshold: 500
      Statistic: Average
      MetricName: Duration
      Namespace: AWS/Lambda
      Dimensions:
        - Name: FunctionName
          Value: !Ref LambdaToMonitor
      TreatMissingData: ignore

  CloudwatchAlarmThrottle:
    Type: AWS::CloudWatch::Alarm
    Properties:
      ActionsEnabled: true
      AlarmDescription: Trigger alarm when Lambda is Throttled
      AlarmActions:
        - !Ref AlarmSNSTopic
      AlarmName: !Join ["", [ !Ref LambdaToMonitor,"-throttle-alarm" ]]
      ComparisonOperator: GreaterThanThreshold
      EvaluationPeriods: 1
      Period: 60
      Threshold: 0.0
      Statistic: Sum
      MetricName: Throttle
      Namespace: AWS/Lambda
      Dimensions:
        - Name: FunctionName
          Value: !Ref LambdaToMonitor
      TreatMissingData: ignore

  CloudwatchDashBoard:
    Type: AWS::CloudWatch::Dashboard
    Properties:
      DashboardName: !Join ["", [!Ref Environment, "-", !Ref ApplicationId]]
      DashboardBody: "{\"widgets\":[{\"type\":\"metric\",\"x\":0,\"y\":0,\"width\":12,\"height\":6,\"properties\":{\"metrics\":[[\"AWS/ApiGateway\",\"Count\",\"ApiName\",\"dev-polly\",{\"period\":60,\"stat\":\"Sum\"}],[\".\",\"IntegrationLatency\",\".\",\".\",{\"period\":60}],[\".\",\"Latency\",\".\",\".\",{\"period\":60}],[\".\",\"4XXError\",\".\",\".\",{\"period\":60,\"stat\":\"Sum\"}],[\".\",\"5XXError\",\".\",\".\",{\"period\":60,\"stat\":\"Sum\"}]],\"view\":\"timeSeries\",\"stacked\":false,\"region\":\"eu-west-1\",\"title\":\"Api Polly\",\"period\":300}},{\"type\":\"metric\",\"x\":0,\"y\":6,\"width\":24,\"height\":3,\"properties\":{\"metrics\":[[\"AWS/Lambda\",\"Invocations\",\"FunctionName\",\"dev-polly-convertTextToAudio\",{\"stat\":\"Sum\"}],[\".\",\"Duration\",\".\",\".\"],[\".\",\"Errors\",\".\",\".\",{\"stat\":\"Sum\"}],[\".\",\"Throttles\",\".\",\".\",{\"stat\":\"Sum\"}]],\"view\":\"singleValue\",\"region\":\"eu-west-1\",\"title\":\"Lambda convertTextToAudio\",\"period\":300}},{\"type\":\"metric\",\"x\":0,\"y\":9,\"width\":24,\"height\":3,\"properties\":{\"metrics\":[[\"AWS/Lambda\",\"Invocations\",\"FunctionName\",\"dev-polly-postText\",{\"stat\":\"Sum\"}],[\".\",\"Duration\",\".\",\".\"],[\".\",\"Errors\",\".\",\".\",{\"stat\":\"Sum\"}],[\".\",\"Throttles\",\".\",\".\",{\"stat\":\"Sum\"}]],\"view\":\"singleValue\",\"title\":\"Lambda postText\",\"region\":\"eu-west-1\",\"period\":300}},{\"type\":\"metric\",\"x\":0,\"y\":12,\"width\":24,\"height\":3,\"properties\":{\"metrics\":[[\"AWS/Lambda\",\"Invocations\",\"FunctionName\",\"dev-polly-getAudio\",{\"stat\":\"Sum\"}],[\".\",\"Duration\",\".\",\".\"],[\".\",\"Errors\",\".\",\".\",{\"stat\":\"Sum\"}],[\".\",\"Throttles\",\".\",\".\",{\"stat\":\"Sum\"}]],\"view\":\"singleValue\",\"region\":\"eu-west-1\",\"title\":\"Lambda getAudio\",\"period\":300}},{\"type\":\"metric\",\"x\":12,\"y\":0,\"width\":12,\"height\":6,\"properties\":{\"metrics\":[[\"AWS/Lambda\",\"Duration\"],[\".\",\"Invocations\",{\"color\":\"#2ca02c\",\"stat\":\"Sum\"}],[\".\",\"Errors\",{\"color\":\"#d62728\",\"stat\":\"Sum\"}],[\".\",\"ConcurrentExecutions\",{\"color\":\"#9467bd\",\"stat\":\"Sum\"}]],\"view\":\"timeSeries\",\"stacked\":false,\"region\":\"eu-west-1\",\"title\":\"Lambda General\",\"period\":300}}]}"
#Output
#Outputs:
#  TableName:
#    Value: !Ref 'purposeTable'
#    Description: Table name of the newly created DynamoDB table