cloudFormationScripts/ec2InstanceWithUserData.json at master · Kiranmoka/cloudFormationScripts · GitHub

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{
  "Parameters" : {

    "InstanceType" : {
      "Description" : "WebServer EC2 instance type",
      "Type" : "String",
      "Default" : "t2.micro",
      "AllowedValues" : [ "t1.micro", "t2.nano", "t2.micro", "t2.small", "t2.medium", "t2.large", "m1.small", "m1.medium", "m1.large", "m1.xlarge", "m2.xlarge", "m2.2xlarge", "m2.4xlarge", "m3.medium", "m3.large", "m3.xlarge", "m3.2xlarge", "m4.large", "m4.xlarge", "m4.2xlarge", "m4.4xlarge", "m4.10xlarge", "c1.medium", "c1.xlarge", "c3.large", "c3.xlarge", "c3.2xlarge", "c3.4xlarge", "c3.8xlarge", "c4.large", "c4.xlarge", "c4.2xlarge", "c4.4xlarge", "c4.8xlarge", "g2.2xlarge", "g2.8xlarge", "r3.large", "r3.xlarge", "r3.2xlarge", "r3.4xlarge", "r3.8xlarge", "i2.xlarge", "i2.2xlarge", "i2.4xlarge", "i2.8xlarge", "d2.xlarge", "d2.2xlarge", "d2.4xlarge", "d2.8xlarge", "hi1.4xlarge", "hs1.8xlarge", "cr1.8xlarge", "cc2.8xlarge", "cg1.4xlarge"],
      "ConstraintDescription" : "must be a valid EC2 instance type."
    },

    "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."
    }
  },
  "Mappings" : {
    "RegionMap" : {
      "us-east-1"      : { "AMI" : "ami-1853ac65" },
      "us-west-1"      : { "AMI" : "ami-bf5540df" },
      "eu-west-1"      : { "AMI" : "ami-3bfab942" },
      "ap-southeast-1" : { "AMI" : "ami-e2adf99e" },
      "ap-southeast-2" : { "AMI" : "ami-43874721" }
    }
  },
  "Resources" : {

    "ec2Instance" : {
      "Type" : "AWS::EC2::Instance",
      "Properties" : {
        "ImageId" :  { "Fn::FindInMap" : [ "RegionMap", { "Ref" : "AWS::Region" }, "AMI"]},
        "InstanceType" : {"Ref" : "InstanceType"},
        "Tags" : [
          {
            "Key" : "Name",
            "Value" : { "Fn::Join" : [ ":", [ "Ec2", "Instance", "created on ", { "Ref" : "AWS::Region" }  ] ] }
          }
        ],
        "SecurityGroups": [
               { "Ref" : "MySecurityGroup" }
        ],
        "KeyName" : {"Ref" : "KeyName"},
        "UserData" : { "Fn::Base64" : { "Fn::Join" : ["", [
             "#!/bin/bash -xe\n",
             "yum update -y\n",
             "yum install -y httpd\n",
             "echo 'Its working...' > /var/www/html/index.html \n",
             "service httpd start"
        ]]}}
      }
    },

    "MySecurityGroup": {
      "Type": "AWS::EC2::SecurityGroup",
      "Properties": {
        "GroupDescription": "Enable SSH access via port 22",
        "SecurityGroupIngress": [
          {
            "IpProtocol": "tcp",
            "FromPort": "22",
            "ToPort": "22",
            "CidrIp": "0.0.0.0/0"
          },
          {
           "IpProtocol" : "tcp",
           "FromPort" : "80",
           "ToPort" : "80",
           "CidrIp" : "0.0.0.0/0"
          }
        ]
      }
    },
  },
  "Outputs": {
      "ServerDns": {
         "Value": {
           "Fn::GetAtt":[
             "ec2Instance",
             "PublicIp"
           ]
         }
      }
  }
}