---
AWSTemplateFormatVersion: "2010-09-09"
Parameters:
  CodeDeployApplication:
    Type: String
  CodeDeployDeploymentGroup:
    Type: String
  PreHookLambdaFunction:
    Type: String
  LambdaFunction:
    Type: String
  MaxBatchSize:
    Type: Number
Conditions:
  spotInstances: !Equals ['us-east-1', !Ref "AWS::Region"]
Resources:
  ASG:
    Type: 'AWS::AutoScaling::AutoScalingGroup'
    Properties:
      AvailabilityZones:
      - us-east-1a
      - us-east-1b
      DesiredCapacity: '1'
      LaunchConfigurationName:
        Ref: LaunchConfig
      MaxSize: '4'
      MinSize: '1'
    UpdatePolicy:
      AutoScalingScheduledAction:
        IgnoreUnmodifiedGroupSizeProperties: True
      AutoScalingRollingUpdate:
        MinInstancesInService: 1
        MaxBatchSize: !Ref MaxBatchSize # shouldn't fail with a Ref
        WaitOnResourceSignals: True
        PauseTime: PT10M
        SuspendProcesses:
        - ScheduledActions # missing a s
  FunctionVersionTwo:
    Type: AWS::Lambda::Version
    Properties:
      CodeSha256 : String
      Description : A Lambda function
      FunctionName : !Ref LambdaFunction
  Alias:
    Type: AWS::Lambda::Alias
    Properties:
      FunctionName: !Ref LambdaFunction
      FunctionVersion: !GetAtt FunctionVersionTwo.Version
      Name: MyAlias
    UpdatePolicy:
      CodeDeployLambdaAliasUpdate:
        ApplicationName: !Ref CodeDeployApplication
        DeploymentGroupName: !Ref CodeDeployDeploymentGroup
        BeforeAllowTrafficHook: !Ref PreHookLambdaFunction
        AfterAllowTrafficHook: !Ref PreHookLambdaFunction
  ASG2:
    Type: AWS::AutoScaling::AutoScalingGroup
    # Doesn't fail with many conditions
    UpdatePolicy:
      !If
          - spotInstances
          - AutoScalingReplacingUpdate:
                WillReplace: true
          - AutoScalingRollingUpdate:
              !If
                - spotInstances
                - MinInstancesInService: 1
                  MinSuccessfulInstancesPercent: 100
                  MaxBatchSize: 1
                  PauseTime: PT15M
                  WaitOnResourceSignals: true
                  SuspendProcesses:
                      - !If [spotInstances, HealthCheck, !Ref "AWS::NoValue"]
                      - ReplaceUnhealthy
                      - AZRebalance
                      - AlarmNotification
                      - ScheduledActions
                - !Ref AWS::NoValue
    Properties:
      MinSize: '1'
      MaxSize: '1'
  ESD1:
    Type: AWS::Elasticsearch::Domain
    UpdatePolicy:
      EnableVersionUpgrade: false
  ESD2:
    Type: AWS::Elasticsearch::Domain
    UpdatePolicy:
      EnableVersionUpgrade: true
  OSD1:
    Type: AWS::OpenSearchService::Domain
    UpdatePolicy:
      EnableVersionUpgrade: false
  OSD2:
    Type: AWS::OpenSearchService::Domain
    UpdatePolicy:
      EnableVersionUpgrade: true