Class: LonoCfn::Update

Inherits:
Base
  • Object
show all
Defined in:
lib/lono_cfn/update.rb

Instance Method Summary collapse

Methods inherited from Base

#check_files, #check_for_errors, #convention_path, #detect_format, #exist_unless_updatable, #generate_params, #generate_templates, #get_source_path, #initialize, #quit, #run, #stack_status

Methods included from Util

#are_you_sure?

Methods included from AwsServices

#cfn, #stack_exists?, #testing_update?

Constructor Details

This class inherits a constructor from LonoCfn::Base

Instance Method Details

#change_set_update ⇒ Object 



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# File 'lib/lono_cfn/update.rb', line 60

def change_set_update
  plan.execute_change_set
end

#plan ⇒ Object 



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# File 'lib/lono_cfn/update.rb', line 49

def plan
  return @plan if @plan
  @plan = Plan.new(@stack_name, @options.merge(lono: false, mute_params: true))
  @plan.setup
  @plan
end

#preview_changes ⇒ Object 



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# File 'lib/lono_cfn/update.rb', line 56

def preview_changes
  plan.preview_change_set
end

#save_stack(params) ⇒ Object

save_stack is the interface method



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# File 'lib/lono_cfn/update.rb', line 4

def save_stack(params)
  update_stack(params)
end

#standard_update(params) ⇒ Object 



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# File 'lib/lono_cfn/update.rb', line 34

def standard_update(params)
  template_body = IO.read(@template_path)
  begin
    cfn.update_stack(
      stack_name: @stack_name,
      template_body: template_body,
      parameters: params#,
      # capabilities: ["CAPABILITY_IAM"]
    )
  rescue Aws::CloudFormation::Errors::ValidationError => e
    puts "ERROR: #{e.message}".red
    error = true
  end
end

#update_stack(params) ⇒ Object

aws cloudformation update-stack –stack-name prod-hi-123456789 –parameters file://output/params/prod-hi-123456789.json –template-body file://output/prod-hi.json



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# File 'lib/lono_cfn/update.rb', line 9

def update_stack(params)
  unless stack_exists?(@stack_name)
    puts "Cannot update a stack because the #{@stack_name} does not exists."
    return
  end
  exist_unless_updatable(stack_status(@stack_name))

  message = "Updating #{@stack_name} stack"
  error = nil
  if @options[:noop]
    message = "NOOP #{message}"
  else
    preview_changes if @options[:preview]
    are_you_sure?(:update)

    if @options[:change_set] # defaults to this
      message << " via change set: #{plan.change_set_name}"
      change_set_update
    else
      standard_update(params)
    end
  end
  puts message unless @options[:mute] || error
end