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lib/kumogata fix: prevent mutating user_data argument Aug 9, 2018
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README.md

kumogata-template

Gem Version Build Status

About

  • kumogate-template is a template sets for kumogata2.

Installation

Add this line to your application's Gemfile:

gem 'kumogata-template'

And then execute:

$ bundle

Or install it yourself as:

$ gem install kumogata-template

Usage

Usage: kumogate-template <command> [args] [options]

Commands:
  init           STACK_NAME                 Initialize template
  * Other command same as kumogata2 commands

Options:
  * Options is same as the kumogata2 options
  • Initialize a sample template
$ bundle exec kumogata-template init sample
Saved template to sample.rb

$ cat sample.rb

AWSTemplateFormatVersion "2010-09-09"

Description (<<-EOS).undent
  Kumogata Template - sample stack
EOS

Parameters do
  _parameter "name", default: "sample",
                     description: "name of this stack"
  _parameter "service", default: "service",
                        description: "sample service"
  _parameter "version", default: "1.0.0",
                        description: "sample version"
end

Resources do
  # And more kumogata-template examples at examples/

  # Create a S3 Bucket
  #_s3_bucket "sample"
end

Outputs do
  # Output S3 Bucket Information
  #_output_s3 "sample"
end

What is THE difference kumogata-template and kumogata2

  • For example launch EC2 instance.

kumogata2

Resources do
  myEC2Instance do
    Type "AWS::EC2::Instance"
    Properties do
      ImageId "ami-XXXXXXXX"
      InstanceType { Ref "InstanceType" }
      KeyName "your_key_name"

      UserData do
        Fn__Base64 (<<-EOS).undent
          #!/bin/bash
          yum install -y httpd
          service httpd start
        EOS
      end
    end
  end
  ...
end

kumogata-template

  • More simply write cloudformation stack.
Resources do
  user_data =<<EOS
yum install -y httpd
service httpd start
EOS

  _ec2_instance "my",
                image_id: "ami-XXXXXXXX",
                ref_instance_type: "my",
                key_name: "your_key_name",
                user_data: user_data
  ...
end

Support AWS CloudFormation Relase

January 17, 2017 Relese notes