Parameters:
  MyTrueParameter:
    Default: 'True'
    Type: String
  MyLowerFalseParameter:
    Default: 'false'
    Type: String
  MyUpperFalseParameter:
    Default: 'False'
    Type: String

Resources:
  MinimalFunction:
    Type: AWS::Serverless::Function
    Properties:
      CodeUri: s3://sam-demo-bucket/hello.zip
      Handler: hello.handler
      Runtime: python2.7
      AutoPublishAlias: live
      DeploymentPreference:
        Enabled: !Ref MyTrueParameter
        Type: Linear10PercentEvery1Minute
        Hooks:
          PreTraffic: !Ref MySanityTestFunction
          PostTraffic: !Ref MyValidationTestFunction
        Alarms:
        - !Ref MyCloudWatchAlarm
        TriggerConfigurations:
        - TriggerEvents:
          - DeploymentSuccess
          - DeploymentFailure
          TriggerName: TestTrigger
          TriggerTargetArn: !Ref MySNSTopic

  MySanityTestFunction:
    Type: AWS::Serverless::Function
    Properties:
      Handler: hello.handler
      Runtime: python2.7
      CodeUri: s3://my-bucket/mySanityTestFunction.zip
      DeploymentPreference:
        Enabled: !Ref MyLowerFalseParameter

  MyValidationTestFunction:
    Type: AWS::Serverless::Function
    Properties:
      Handler: hello.handler
      Runtime: python2.7
      CodeUri: s3://my-bucket/myValidationTestFunction.zip
      DeploymentPreference:
        Enabled: !Ref MyUpperFalseParameter

  MyCloudWatchAlarm:
    Type: AWS::CloudWatch::Alarm
    Properties:
      ComparisonOperator: GreaterThanThreshold
      EvaluationPeriods: 1
      MetricName: MyMetric
      Namespace: AWS/EC2
      Period: 300
      Threshold: 10

  MySNSTopic:
    Type: AWS::SNS::Topic