AWS CloudFormation Init with Examples

In this blog, we will explore AWS CloudFormation Init and will create an example of using all the cfn-init concepts

Agenda

1. Basics of CloudFormation::Init
2. cfn-init
3. cfn-signal
4. cfn-hup

AWS::CloudFormation::Init

Use the AWS::CloudFormation::Init type to include metadata on an Amazon EC2 instance

AWS::CLOUDFORMATION::INIT: RESOURCE METADATA

"Resources": {
  "MyInstance": {
    "Type": "AWS::EC2::Instance",
    "Metadata" : {
      "AWS::CloudFormation::Init" : {
        "config" : {
          "packages" : { },
          "groups" :   { },
          "users" :    { },
          "sources" :  { },
          "files" :    { },
          "commands" : { },
          "services" : { }
        }
      }
    },
    "Properties": { }
  }
}