sc-ec2-linux-apache-simple.json

{
    "Description": "AWS EC2 Apache webserver (fdp-1p4dlgcpe)",
    "Parameters": {
        "VPC": {
            "Type": "AWS::EC2::VPC::Id",
            "Description": "Select the VPC where the EC2 instances will be created",
            "ConstraintDescription": "must be an existing VPC"
        },
        "KeyName": {
            "Type": "AWS::EC2::KeyPair::KeyName"
        },
        "InstanceType": {
            "Type": "String",
            "Default":"t3.micro",
            "AllowedValues": ["t2.micro","t2.medium","t3.micro","t3.medium","t3.large"]
        },
        "LatestAmiId": {
            "Type": "AWS::SSM::Parameter::Value<AWS::EC2::Image::Id>",
            "Default": "/aws/service/ami-amazon-linux-latest/amzn2-ami-hvm-x86_64-gp2"
        }
    },
    
    "Resources": {
      "WebSecurityGroup" : {
        "Type" : "AWS::EC2::SecurityGroup",
        "Properties" : {
          "GroupDescription" : "Enable HTTP and HTTPS access",
          "VpcId" : {"Ref" : "VPC"},
          "SecurityGroupIngress" : [ 
              { "IpProtocol" : "tcp", "FromPort" : 80, "ToPort" : 80, "CidrIp" : "0.0.0.0/0" },
              { "IpProtocol" : "tcp", "FromPort" : 443, "ToPort" : 443, "CidrIp" : "0.0.0.0/0" }
          ],
          "SecurityGroupEgress" : [
              { "IpProtocol" : "tcp", "FromPort" : 80, "ToPort" : 80, "CidrIp" : "0.0.0.0/0" },
              { "IpProtocol" : "tcp", "FromPort" : 443, "ToPort" : 443, "CidrIp" : "0.0.0.0/0" }
          ]
        }
      }, 
      "WebServerInstance": {
        "Type": "AWS::EC2::Instance",
        "Metadata": {
          "AWS::CloudFormation::Init": {
            "configSets": {
              "All": [
                "ConfigureSampleApp"
              ]
            },
            "ConfigureSampleApp": {
              "packages": {
                "yum": {
                  "httpd": []
                }
              },
              "files": {
                "/var/www/html/index.html": {
                  "content": {
                    "Fn::Join": [
                      "\n",
                      [
                        "<h1>Congratulations, you have successfully launched the Apache webserver demo.</h1>"
                      ]
                    ]
                  },
                  "mode": "000644",
                  "owner": "root",
                  "group": "root"
                }
              },
              "services": {
                "sysvinit": {
                  "httpd": {
                    "enabled": "true",
                    "ensureRunning": "true"
                  }
                }
              }
            }
          }
        },
        "Properties": {
          "InstanceType": {
            "Ref": "InstanceType"
          },
          "ImageId": {
            "Ref":"LatestAmiId"
          },
          "KeyName": {
            "Ref": "KeyName"
          },
          "Tags" : [
            {"Key" : "Name", "Value" : {"Fn::Sub":"EC2-Apache-${AWS::StackName}"} }
          ],
          "SecurityGroupIds" :[{ "Fn::GetAtt": ["WebSecurityGroup", "GroupId"] }],
          "UserData": {
            "Fn::Base64": {
              "Fn::Join": [
                "",
                [
                  "#!/bin/bash -xe\n",
                  "yum update -y aws-cfn-bootstrap\n",
                  "# Install the files and packages from the metadata\n",
                  "/opt/aws/bin/cfn-init -v ",
                  "         --stack ",
                  {
                    "Ref": "AWS::StackName"
                  },
                  "         --resource WebServerInstance ",
                  "         --configsets All ",
                  "         --region ",
                  {
                    "Ref": "AWS::Region"
                  },
                  "\n",
                  "# Signal the status from cfn-init\n",
                  "/opt/aws/bin/cfn-signal -e $? ",
                  "         --stack ",
                  {
                    "Ref": "AWS::StackName"
                  },
                  "         --resource WebServerInstance ",
                  "         --region ",
                  {
                    "Ref": "AWS::Region"
                  },
                  "\n"
                ]
              ]
            }
          }
        },
        "CreationPolicy": {
          "ResourceSignal": {
            "Timeout": "PT5M"
          }
        }
      }
    },
    "Outputs": {
    "WebsiteURL": {
      "Description": "DNS root URL of the new webserver",
      "Value" : { "Fn::Join" : [ "", ["http://", { "Fn::GetAtt" : ["WebServerInstance", "PublicDnsName"] }]]}
    },
    "WebsiteIP": {
      "Description": "IP root URL of the new webserver",
      "Value" : { "Fn::Join" : [ "", ["http://", { "Fn::GetAtt" : ["WebServerInstance", "PublicIp"] }]]}
    }
  }
}