AWSTemplateFormatVersion: '2010-09-09'
Description: 'Amazon S3 & Amazon ElastiCache for Redis & AWS Cloud9 template'
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Parameters:
  SubnetID:
    Description: 'The subnet to be used with Amazon ElastiCache and AWS Cloud9'
    Type: String    

Resources:

  Cloud9:
    Type: "AWS::Cloud9::EnvironmentEC2"
    Properties:
      Description: "Cloud9 environment for workshop"
      Name: "S3RedisCache"
      InstanceType: c4.large
      SubnetId: !Ref SubnetID
      AutomaticStopTimeMinutes: 15 

  ElastiCacheSubnetGroup:
    Type: AWS::ElastiCache::SubnetGroup
    Properties:
      Description: Cache Subnet Group
      SubnetIds:
      - !Ref SubnetID

  RedisClusterSecurityGroup:
    Type: 'AWS::EC2::SecurityGroup'
    Properties:
      GroupName: Redis-S3-Test
      GroupDescription: ElastiCache Redis Security Group
      SecurityGroupIngress:
        - IpProtocol: tcp
          CidrIp: 0.0.0.0/0
          FromPort: 6379
          ToPort: 6379
 
  RedisCluster:
    Type: AWS::ElastiCache::CacheCluster
    Properties:
      CacheSubnetGroupName:
        Ref: ElastiCacheSubnetGroup
      CacheNodeType: cache.m5.xlarge       
      ClusterName: 'Redis-S3-Test'
      VpcSecurityGroupIds:
      - Fn::GetAtt:
        - RedisClusterSecurityGroup
        - GroupId
      Engine: redis
      NumCacheNodes: '1'

  S3Bucket:
      Type: 'AWS::S3::Bucket'
      Description: Amazon S3 Input bucket for AWS ElastiCache Workshop

Outputs:
  RedisHost:
    Description: ElastiCache Endpoint
    Value:
      Fn::GetAtt:
      - RedisCluster
      - RedisEndpoint.Address
  ElastiCachePort:
    Description: ElastiCache Port
    Value:
      Fn::GetAtt:
      - RedisCluster
      - RedisEndpoint.Port 
  ElastiCacheSG:
    Description: ElastiCache SecurityGroup Id
    Value:
      Ref: RedisClusterSecurityGroup 
  S3Bucket:
    Description: 'S3 Bucket Name'
    Value:
      Ref: S3Bucket