Class: Comodule::Deployment::Helper::Aws::CloudFormation::Service

Inherits:
Object
  • Object
show all
Includes:
Base
Defined in:
lib/comodule/deployment/helper/aws/cloud_formation.rb

Instance Method Summary collapse

Methods included from Base

included

Instance Method Details

#cfn ⇒ Object 



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# File 'lib/comodule/deployment/helper/aws/cloud_formation.rb', line 16

def cfn
  @cfn ||= aws.cloud_formation
end

#cloud_formation_template ⇒ Object 



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# File 'lib/comodule/deployment/helper/aws/cloud_formation.rb', line 135

def cloud_formation_template
  if block_given?
    yield config
  end

  file = File.join(owner.cloud_formation_dir, 'template.json.erb')
  common_file = File.join(owner.common_cloud_formation_dir, 'template.json.erb')

  owner.render( File.file?(file) ? file : common_file )
end

#create_stack(&block) ⇒ Object 



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# File 'lib/comodule/deployment/helper/aws/cloud_formation.rb', line 36

def create_stack(&block)
  if config.upload_secret_files
    puts 'Upload secret files'
    owner.upload_secret_files
  end

  if config.upload_project
    puts 'Upload project'
    owner.upload_project
  end

  stack_name = [stack_basename, Time.now.strftime("%Y%m%d")].join(?-)

  template = validate_template(&block)

  stack = cfn.stacks.create(stack_name, template)

  puts "Progress of creation stack: #{stack.name}"

  status = stack_status_watch(stack)

  puts "\n!!! #{status} !!!\n"
end

#delete_stack ⇒ Object 



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# File 'lib/comodule/deployment/helper/aws/cloud_formation.rb', line 60

def delete_stack
  stack = latest_stack

  if !stack || !stack.exists?
    puts "Stack:/#{stack_basename}-[0-9]*/ is not found.\n"
    exit
  end

  print "You are going to delete stack #{stack.name}. Are you sure? [N/y] "
  confirm = STDIN.gets
  unless confirm =~ /^y(es)?$/
    puts "\nAbort!\n"
    exit
  end

  stack.delete

  puts "Progress of deletion stack: #{stack.name}"

  status = stack_status_watch(stack)

  puts "\n!!! #{status} !!!\n"
end

#latest_stack ⇒ Object 



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# File 'lib/comodule/deployment/helper/aws/cloud_formation.rb', line 31

def latest_stack
  filter = -> stack { stack.name.match(/[0-9]*$/)[0].to_i }
  own_stacks.max { |a,b| filter[a] <=> filter[b] }
end

#own_stacks ⇒ Object 



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# File 'lib/comodule/deployment/helper/aws/cloud_formation.rb', line 27

def own_stacks
  cfn.stacks.find_all { |stack| stack.name =~ /#{stack_basename}/ }
end

#stack_basename ⇒ Object 



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# File 'lib/comodule/deployment/helper/aws/cloud_formation.rb', line 20

def stack_basename
  stack_name = []
  stack_name << (config.stack_name_prefix || owner.project_name)
  stack_name << owner.name
  stack_name.join(?-)
end

#stack_status_watch(stack, interval = 10) ⇒ Object 



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# File 'lib/comodule/deployment/helper/aws/cloud_formation.rb', line 84

def stack_status_watch(stack, interval=10)
  begin
    status = stack.status
  rescue
    return 'Missing stack'
  end

  first_status = status
  before_status = ""

  while status == first_status
    if status == before_status
      before_status, status = status, ?.
    else
      before_status = status
    end

    print status

    sleep interval

    begin
      status = stack.status
    rescue
      status = "Missing stack"
      break
    end
  end

  status
end

#validate_template(&block) ⇒ Object 



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# File 'lib/comodule/deployment/helper/aws/cloud_formation.rb', line 116

def validate_template(&block)
  template = cloud_formation_template(&block)

  template_path = File.join(owner.test_cloud_formation_dir, 'template.json')

  File.open(template_path, 'w') do |file|
    file.write template
  end

  result = cfn.validate_template(template)

  puts "Validation result:"
  result.each do |key, msg|
    puts "  #{key}: #{msg}"
  end

  template
end