MyFunction-cloudformation-template.json (just InvocationErrorAlarm)

MyFunction-cloudformation-template.json

{
  "AWSTemplateFormatVersion":"2010-09-09",
  "Description":"Lambda resource stack creation using Amplify CLI",
  "Parameters":{
    "env":{
      "Type":"String"
    },
    "monitoringTopicsAlarmsTopicArn":{
      "Type":"String"
    }
  },
  "Conditions":{
    ...
  },
  "Resources":{
    ...    
    "InvocationErrorAlarm":{
      "Type":"AWS::CloudWatch::Alarm",
      "DependsOn":[
        "LambdaFunction"
      ],
      "Properties":{
        "AlarmActions":[
          {
            "Ref":"monitoringTopicsAlarmsTopicArn"
          }
        ],
        "AlarmDescription":"Alarm if lambda errors out too many times",
        "AlarmName":{
          "Fn::Join":[
            "",
            [
              {
                "Ref":"LambdaFunction"
              },
              "-invocation-errors"
            ]
          ]
        },
        "ComparisonOperator":"GreaterThanThreshold",
        "Dimensions":[
          {
            "Name":"FunctionName",
            "Value":{
              "Ref":"LambdaFunction"
            }
          }
        ],
        "EvaluationPeriods":1,
        "InsufficientDataActions":[
          {
            "Ref":"monitoringTopicsAlarmsTopicArn"
          }
        ],
        "MetricName":"Errors",
        "Namespace":"AWS/Lambda",
        "OKActions":[
          {
            "Ref":"monitoringTopicsAlarmsTopicArn"
          }
        ],
        "Period":60,
        "Statistic":"Sum",
        "Threshold":0,
        "TreatMissingData":"notBreaching",
        "Unit":"Count"
      }
    }
  },
  "Outputs":{
    ...
  }
}