{
  "AWSTemplateFormatVersion" : "2010-09-09",
  "Description": "AWS BLOGS - Creating Amazon EC2 Instance For test dataset generation and loading into Kinesis.",
  "Parameters":
  {
    "EC2SecurityGroupId": {
      "Description": "Existing security Group",
      "Type":"AWS::EC2::SecurityGroup::Id"
    },
    "KeyName": {
      "Description": "Name of an existing EC2 KeyPair to enable SSH access to the instance",
      "Type": "AWS::EC2::KeyPair::KeyName",
      "ConstraintDescription": "must be the name of an existing EC2 KeyPair."
    },
    "EC2Subnet": {
      "Description": "Subnet List - Choose the Subnet",
      "Type": "AWS::EC2::Subnet::Id"
    },
    "InstanceType" : {
      "Description" : "EC2 instance specs configuration",
      "Type" : "String",
      "Default" : "r4.xlarge",
      "AllowedValues" : ["r4.xlarge","r4.2xlarge", "r4.4xlarge"]
    }
  },
  "Mappings": {
    "AWSInstanceType2Arch": {
      "r4.xlarge": {
        "Arch": "HVM64"
      },
      "r4.2xlarge": {
        "Arch": "HVM64"
      },
      "r4.4xlarge": {
        "Arch": "HVM64"
      }
    },
    "AWSRegionArch2AMI": {
      "us-west-2": {
        "HVM64": "ami-6cd6f714"
      },
      "us-east-1": {
        "HVM64": "ami-1853ac65"
      }
    }
  },
  "Resources" : {
    "EC2IAMRole": {
      "Type": "AWS::IAM::Role",
      "Properties": {
        "RoleName": "small-files-ec2role",
        "AssumeRolePolicyDocument": {
          "Version": "2012-10-17",
          "Statement": [
            {
              "Effect": "Allow",
              "Principal": {
                "Service": "ec2.amazonaws.com"
              },
              "Action": "sts:AssumeRole"
            }
          ]
        },
        "Path": "/",
        "Policies": [
          {
            "PolicyName": "root",
            "PolicyDocument": {
              "Version": "2012-10-17",
              "Statement": {
                "Effect": "Allow",
                "Action": [
                  "ec2:*",
                  "logs:*",
                  "kinesis:*",
                  "firehose:*",
                  "s3:*"
                ],
                "Resource": "*"
              }
            }
          }
        ]
      }
    },
    "EC2InstanceProfile" : {
      "Type" : "AWS::IAM::InstanceProfile",
      "DependsOn": [
        "EC2IAMRole"
      ],
      "Properties" : {
        "Path" : "/",
        "Roles" : [
          {
            "Ref" : "EC2IAMRole"
          }
        ]
      }
    },
    "EC2InstanceForDataLoadingIntoKinesis" : {
      "Type" : "AWS::EC2::Instance",
      "DependsOn": [
        "EC2InstanceProfile"
      ],
      "Properties" : {
        "KeyName" : { "Ref" : "KeyName" },
        "InstanceType" : { "Ref" : "InstanceType" },
        "ImageId" : { "Fn::FindInMap" : [ "AWSRegionArch2AMI", { "Ref" : "AWS::Region" },
          { "Fn::FindInMap" : [ "AWSInstanceType2Arch", { "Ref" : "InstanceType" }, "Arch" ] } ] },
        "SecurityGroupIds" : [
          {
          "Ref" : "EC2SecurityGroupId"
          }
          ],
        "SubnetId": {"Ref": "EC2Subnet"},
        "IamInstanceProfile": {"Ref": "EC2InstanceProfile"},
        "Tags" : [
          {
          "Key" : "Name",
          "Value" : "AWS-BLOGs-Small-Files-EC2-For-DataLoading"
          }
          ],
        "UserData" : {"Fn::Base64" : { "Fn::Join" : ["",[
          "#!/bin/bash -ex","\n",
          "\n","sudo yum install -y java-1.8.0-openjdk-devel.x86_64","\n",
          "\n","aws s3 cp s3://aws-bigdata-blog/artifacts/aws-blog-optimize-downstream-data-processing/appjars/sample-kinesis-producer-1.0-SNAPSHOT-jar-with-dependencies.jar .","\n",
          "\n","sudo cp /sample-kinesis-producer-1.0-SNAPSHOT-jar-with-dependencies.jar /home/ec2-user/","\n",
          "\n","sudo chown -R ec2-user:ec2-user /home/ec2-user/sample-kinesis-producer-1.0-SNAPSHOT-jar-with-dependencies.jar","\n",
          "\n","sudo chmod -R 755 /home/ec2-user/sample-kinesis-producer-1.0-SNAPSHOT-jar-with-dependencies.jar","\n"
        ]]}
        }
      }
      }
  },
  "Outputs" : {
    "EC2Instance" : {
      "Description" : "EC2 IP address",
      "Value" : {
        "Fn::Join" : [
          "",
          [
            "ssh ec2-user@",
            {
              "Fn::GetAtt" : [
                "EC2InstanceForDataLoadingIntoKinesis",
                "PublicIp"
              ]
            },
            " -i ",
            {
              "Ref" : "KeyName"
            },
            ".pem"
          ]
        ]
      }
    }
  }
}