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AWSTemplateFormatVersion: 2010-09-09
Description: Service Catalog ALB Target Group Product
Parameters:
  ALBTargetName:
    Description: ALB Target Name
    Type: String
  HealthCheckIntervalSeconds:
    Description: 'The approximate number of seconds between health checks for an individual target.'
    Type: Number
  HealthCheckPath:
    Description: 'The ping path destination where Elastic Load Balancing sends health check requests.'
    Type: String
  HealthCheckPort:
    Description: 'The port that the load balancer uses when performing health checks on the targets.'
    Type: String
  HealthCheckProtocol:
    Description: 'The protocol that the load balancer uses when performing health checks on the targets'
    Type: String
  HealthCheckTimeoutSeconds:
    Description: 'The number of seconds to wait for a response before considering that a health check has failed.'
    Type: Number
  HealthyThresholdCount:
    Description: 'The number of consecutive successful health checks that are required before an unhealthy target is considered healthy'
    Type: Number
    MinValue: 2
    MaxValue: 10
    Default: 5
  AppPort:
    Description: 'Application Port'
    Type: String
    Default: 443
    AllowedValues:
      - 443
      - 8443
  UnhealthyThresholdCount:
    Description: 'The number of consecutive failed health checks that are required before a target is considered unhealthy'
    Type: Number
    MinValue: 2
    MaxValue: 10
    Default: 5
  VpcId:
    Description: VPC Id
    Type: String
  Tags:
    Description: The tags to be applied to the resource.
    Type: String
    Default: ''

Conditions:
  HasTags: !Not [!Equals [!Ref Tags, '']]

Resources:
  GetTags:
    Type: "Custom::ResourceCompliance"
    Condition : HasTags
    Version: "1.0"
    Properties:
      ServiceToken: !Sub 'arn:aws:lambda:${AWS::Region}:${AWS::AccountId}:function:sc-resource-compliance'
      Action:
        Name: json
        Parameters:
          JSON: !Ref Tags
          Type: Tags
  ALBTarget:
    Type: "AWS::ElasticLoadBalancingV2::TargetGroup"
    Properties:
      Name: !Ref ALBTargetName
      HealthCheckIntervalSeconds: !Ref HealthCheckIntervalSeconds
      HealthCheckPath: !Ref HealthCheckPath
      HealthCheckPort: !Ref HealthCheckPort
      HealthCheckProtocol: !Ref HealthCheckProtocol
      HealthCheckTimeoutSeconds: !Ref HealthCheckTimeoutSeconds
      HealthyThresholdCount: !Ref HealthyThresholdCount
      Matcher:
        HttpCode: '200'
      Port: !Ref AppPort
      Protocol: 'HTTPS'
      TargetGroupAttributes:
      - Key: deregistration_delay.timeout_seconds
        Value: '20'
      UnhealthyThresholdCount: !Ref UnhealthyThresholdCount
      VpcId: !Ref VpcId
      Tags: !If [HasTags, !GetAtt GetTags.Json, !Ref "AWS::NoValue"]

Outputs:
  ALBTargetId:
    Value: !Ref ALBTarget
    Export:
      Name: !Sub ${AWS::StackName}-ALBTargetId
  ALBTargetGroupName:
    Value: !GetAtt ALBTarget.TargetGroupName
    Export:
      Name: !Sub ${AWS::StackName}-ALBTargetGroupName
  ALBTargetGroupFullName:
    Value: !GetAtt ALBTarget.TargetGroupFullName
    Export:
      Name: !Sub ${AWS::StackName}-ALBTargetGroupFullName