Class: CFnDK::Stack

Inherits:
Object
  • Object
show all
Defined in:
lib/cfndk/stack.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(name, data, option, global_config, credentials) ⇒ Stack

Returns a new instance of Stack.



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# File 'lib/cfndk/stack.rb', line 4

def initialize(name, data, option, global_config, credentials)
  @global_config = global_config
  @name = name
  @template_file = data['template_file'] || ''
  @parameter_input = data['parameter_input'] || ''
  @capabilities = data['capabilities'] || []
  @depends = data['depends'] || []
  @region = data['region'] || @global_config.region
  @role_arn = @global_config.role_arn
  @package = data['package'] || @global_config.package
  @pre_command = data['pre_command'] || nil
  @post_command = data['post_command'] || nil
  @enabled = true
  @enabled = false if data['enabled'] === false 
  @timeout_in_minutes = data['timeout_in_minutes'] || @global_config.timeout_in_minutes
  @override_parameters = data['parameters'] || {}
  @option = option
  @client = Aws::CloudFormation::Client.new(credentials: credentials, region: @region)
  @s3_client = Aws::S3::Client.new(credentials: credentials, region: @region)
  @sts_client = Aws::STS::Client.new(credentials: credentials, region: @region)
  @tp = CFnDK::TemplatePackager.new(@template_file, @region, @package, @global_config, @s3_client, @sts_client)
end

Instance Attribute Details

#capabilities ⇒ Object (readonly)

Returns the value of attribute capabilities.



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# File 'lib/cfndk/stack.rb', line 3

def capabilities
  @capabilities
end

#depends ⇒ Object (readonly)

Returns the value of attribute depends.



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# File 'lib/cfndk/stack.rb', line 3

def depends
  @depends
end

#enabled ⇒ Object (readonly)

Returns the value of attribute enabled.



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# File 'lib/cfndk/stack.rb', line 3

def enabled
  @enabled
end

#package ⇒ Object (readonly)

Returns the value of attribute package.



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# File 'lib/cfndk/stack.rb', line 3

def package
  @package
end

#parameter_input ⇒ Object (readonly)

Returns the value of attribute parameter_input.



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# File 'lib/cfndk/stack.rb', line 3

def parameter_input
  @parameter_input
end

#post_command ⇒ Object (readonly)

Returns the value of attribute post_command.



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# File 'lib/cfndk/stack.rb', line 3

def post_command
  @post_command
end

#pre_command ⇒ Object (readonly)

Returns the value of attribute pre_command.



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# File 'lib/cfndk/stack.rb', line 3

def pre_command
  @pre_command
end

#region ⇒ Object (readonly)

Returns the value of attribute region.



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# File 'lib/cfndk/stack.rb', line 3

def region
  @region
end

#role_arn ⇒ Object (readonly)

Returns the value of attribute role_arn.



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# File 'lib/cfndk/stack.rb', line 3

def role_arn
  @role_arn
end

#template_file ⇒ Object (readonly)

Returns the value of attribute template_file.



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# File 'lib/cfndk/stack.rb', line 3

def template_file
  @template_file
end

#timeout_in_minutes ⇒ Object (readonly)

Returns the value of attribute timeout_in_minutes.



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# File 'lib/cfndk/stack.rb', line 3

def timeout_in_minutes
  @timeout_in_minutes
end

Instance Method Details

#available_change_set? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/cfndk/stack.rb', line 382

def available_change_set?
  resp = @client.describe_change_set(
    change_set_name: change_set_name,
    stack_name: name
  )
  return true if resp.execution_status == 'AVAILABLE'
  false
rescue Aws::CloudFormation::Errors::ChangeSetNotFound
  false
end

#change_set_name ⇒ Object 



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# File 'lib/cfndk/stack.rb', line 503

def change_set_name
  [@name, @option[:change_set_uuid]].compact.join('-')
end

#create ⇒ Object 



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# File 'lib/cfndk/stack.rb', line 27

def create
  return if @option[:stack_names].instance_of?(Array) && !@option[:stack_names].include?(@name)
  return unless @enabled
  CFnDK.logger.info(('creating stack: ' + name).color(:green))
  CFnDK.logger.debug('Name        :' + name)
  CFnDK.logger.debug('Parametres  :' + parameters.inspect)
  CFnDK.logger.debug('Capabilities:' + capabilities.inspect)
  CFnDK.logger.debug('Timeout     :' + timeout_in_minutes.to_s)
  CFnDK.logger.debug('Region      :' + region)
  tags = [
    {
      key: 'origina_name',
      value: @name,
    },
  ]
  tags.push(
    key: 'UUID',
    value: @option[:uuid]
  ) if @option[:uuid]
  hash = {
    stack_name: name,
    parameters: parameters,
    capabilities: capabilities,
    timeout_in_minutes: timeout_in_minutes,
    tags: tags,
  }
  hash[:role_arn] = @role_arn if @role_arn

  if @tp.large_template?
    hash[:template_url] = @tp.upload_template_file()
  else
    hash[:template_body] = @tp.template_body()
  end
  @client.create_stack(
    hash
  )
end

#create_change_set ⇒ Object 



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# File 'lib/cfndk/stack.rb', line 170

def create_change_set
  return nil if @option[:stack_names].instance_of?(Array) && !@option[:stack_names].include?(@name)
  return unless @enabled
  CFnDK.logger.info(('creating change set: ' + change_set_name).color(:green))
  CFnDK.logger.debug('Parametres  :' + parameters.inspect)
  CFnDK.logger.debug('Capabilities:' + capabilities.inspect)
  CFnDK.logger.debug('Region      :' + region)
  tags = [
    {
      key: 'origina_name',
      value: @name,
    },
  ]
  tags.push(
    key: 'UUID',
    value: @option[:uuid]
  ) if @option[:uuid]
  tags.push(
    key: 'CHANGE_SET_UUID',
    value: @option[:change_set_uuid]
  ) if @option[:change_set_uuid]
  hash = {
    stack_name: name,
    parameters: parameters,
    capabilities: capabilities,
    change_set_name: change_set_name,
    change_set_type: exits? ? 'UPDATE' : 'CREATE',
    tags: tags,
  }
  hash[:role_arn] = @role_arn if @role_arn
  if @tp.large_template?
    hash[:template_url] = @tp.upload_template_file()
  else
    hash[:template_body] = @tp.template_body()
  end
  @client.create_change_set(
    hash
  )
  @name
rescue Aws::CloudFormation::Errors::ValidationError => ex
  if review_in_progress?
    CFnDK.logger.warn("failed create change set because the stack on REVIEW_IN_PROGRESS already exist : #{change_set_name}".color(:orange))
    nil
  else
    CFnDK.logger.error("failed create change set: #{change_set_name}".color(:red))
    raise ex
  end
end

#created? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/cfndk/stack.rb', line 362

def created?
  resp = @client.describe_stacks(
    stack_name: name
  )
  return false if resp.stacks[0].stack_status == 'REVIEW_IN_PROGRESS'
  true
rescue Aws::CloudFormation::Errors::ValidationError
  false
end

#delete_change_set ⇒ Object 



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# File 'lib/cfndk/stack.rb', line 262

def delete_change_set
  return if @option[:stack_names].instance_of?(Array) && !@option[:stack_names].include?(@name)
  return unless @enabled
  CFnDK.logger.info(('deleting change set: ' + change_set_name).color(:green))
  @client.delete_change_set(
    stack_name: name,
    change_set_name: change_set_name
  )
  CFnDK.logger.info(('deleted change set: ' + change_set_name).color(:green))
end

#destroy ⇒ Object 



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# File 'lib/cfndk/stack.rb', line 136

def destroy
  return if @option[:stack_names].instance_of?(Array) && !@option[:stack_names].include?(@name)
  return unless @enabled
  if exits?
    CFnDK.logger.info(('deleting stack: ' + name).color(:green))
    CFnDK.logger.debug('Name        :' + name)
    CFnDK.logger.debug('Region      :' + region)
    hash = {
      stack_name: name,
    }
    hash[:role_arn] = @role_arn if @role_arn
    @client.delete_stack(
      hash
    )
  else
    CFnDK.logger.info(('do not delete stack: ' + name).color(:red))
  end
end

#execute_change_set ⇒ Object 



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# File 'lib/cfndk/stack.rb', line 245

def execute_change_set
  return nil if @option[:stack_names].instance_of?(Array) && !@option[:stack_names].include?(@name)
  return unless @enabled
  if available_change_set?
    CFnDK.logger.info(('executing change set: ' + change_set_name).color(:green))
    @client.execute_change_set(
      stack_name: name,
      change_set_name: change_set_name
    )
    CFnDK.logger.info(('execute change set: ' + change_set_name).color(:green))
    @name
  else
    CFnDK.logger.warn("failed execute change set because this change set is not AVAILABLE: #{change_set_name}".color(:orange))
    nil
  end
end

#exits? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/cfndk/stack.rb', line 353

def exits?
  @client.describe_stacks(
    stack_name: name
  )
  true
rescue Aws::CloudFormation::Errors::ValidationError
  false
end

#name ⇒ Object 



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# File 'lib/cfndk/stack.rb', line 499

def name
  [@name, @option[:uuid]].compact.join('-')
end

#parameters ⇒ Object 



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# File 'lib/cfndk/stack.rb', line 507

def parameters
  json = JSON.load(open(@parameter_input).read)
  json['Parameters'].map do |item|
    next if item.empty?
    {
      parameter_key: item['ParameterKey'],
      parameter_value: eval_override_parameter(item['ParameterKey'], item['ParameterValue']),
    }
  end.compact
end

#post_command_execute ⇒ Object 



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# File 'lib/cfndk/stack.rb', line 532

def post_command_execute
  return if @option[:stack_names].instance_of?(Array) && !@option[:stack_names].include?(@name)
  return unless @enabled
  if @post_command
    CFnDK.logger.info(('execute post command: ' + @post_command).color(:green))
    IO.popen(@post_command, :err => [:child, :out]) do |io|
      io.each_line do |line|
        CFnDK.logger.info((line).color(:green))
      end
    end
    raise 'post command is error. status: ' + $?.exitstatus.to_s + ' command: ' + @post_command if $?.exitstatus != 0
  end
end

#pre_command_execute ⇒ Object 



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# File 'lib/cfndk/stack.rb', line 518

def pre_command_execute
  return if @option[:stack_names].instance_of?(Array) && !@option[:stack_names].include?(@name)
  return unless @enabled
  if @pre_command
    CFnDK.logger.info(('execute pre command: ' + @pre_command).color(:green))
    IO.popen(@pre_command, :err => [:child, :out]) do |io|
      io.each_line do |line|
        CFnDK.logger.info((line).color(:green))
      end
    end
    raise 'pre command is error. status: ' + $?.exitstatus.to_s + ' command: ' + @pre_command if $?.exitstatus != 0
  end
end

#report ⇒ Object 



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# File 'lib/cfndk/stack.rb', line 393

def report
  return if @option[:stack_names].instance_of?(Array) && !@option[:stack_names].include?(@name)
  return unless @enabled
  CFnDK.logger.info('*****************************************************'.color(:green))
  CFnDK.logger.info(('stack: ' + name).color(:green))
  CFnDK.logger.info('*****************************************************'.color(:green))
  CFnDK.logger.info('')
  begin
    resp = @client.describe_stacks(
      stack_name: name
    ).stacks[0]
    CFnDK.logger.info('Status: '.color(:green) + colored_status(resp.stack_status))
    CFnDK.logger.info('Reason: '.color(:green) + resp.stack_status_reason) if resp.stack_status_reason
    if @option[:types].instance_of?(Array) && @option[:types].include?('tag')
      CFnDK.logger.info('Tags:'.color(:green))
      tags_rows = resp.tags.map do |item|
        [
          item.key,
          item.value,
        ]
      end
      unless tags_rows.empty?
        table = Terminal::Table.new headings: %w(Key Value), rows: tags_rows
        CFnDK.logger.info table
      end
    end
    if @option[:types].instance_of?(Array) && @option[:types].include?('parameter')
      CFnDK.logger.info('Parameters:'.color(:green))
      parameter_rows = resp.parameters.map do |item|
        [
          item.parameter_key,
          item.parameter_value,
          item.use_previous_value,
          item.resolved_value,
        ]
      end
      unless parameter_rows.empty?
        table = Terminal::Table.new headings: ['Key', 'Value', 'Use Previous Value', 'Resolved Value'], rows: parameter_rows
        CFnDK.logger.info table
      end
    end
    if @option[:types].instance_of?(Array) && @option[:types].include?('output')
      CFnDK.logger.info('Outputs:'.color(:green))
      output_rows = resp.outputs.map do |item|
        [
          item.output_key,
          item.output_value,
          item.export_name,
          item.description,
        ]
      end
      unless output_rows.empty?
        table = Terminal::Table.new headings: ['Key', 'Value', 'Export Name', 'Description'], rows: output_rows
        CFnDK.logger.info table
      end
    end
  rescue Aws::CloudFormation::Errors::ValidationError => ex
    CFnDK.logger.warn "#{ex.class}: #{ex.message}".color(:red)
  end
  if @option[:types].instance_of?(Array) && @option[:types].include?('resource')
    begin
      CFnDK.logger.info('Resources:'.color(:green))
      rows = @client.describe_stack_resources(
        stack_name: name
      ).stack_resources.map do |item|
        [
          item.logical_resource_id,
          item.physical_resource_id,
          item.resource_type,
          item.timestamp,
          colored_status(item.resource_status),
          item.resource_status_reason,
          item.description,
        ]
      end
      unless rows.empty?
        table = Terminal::Table.new headings: %w(Logical Physical Type Timestamp Status Reason Desc), rows: rows
        CFnDK.logger.info table
      end
    rescue Aws::CloudFormation::Errors::ValidationError => ex
      CFnDK.logger.warn "#{ex.class}: #{ex.message}".color(:red)
    end
  end
  if @option[:types].instance_of?(Array) && @option[:types].include?('event')
    CFnDK.logger.info('Events:'.color(:green))
    begin
      rows = @client.describe_stack_events(
        stack_name: name
      ).stack_events.map do |item|
        [
          item.resource_type,
          item.timestamp,
          colored_status(item.resource_status),
          item.resource_status_reason,
        ]
      end
      unless rows.empty?
        table = Terminal::Table.new headings: %w(Type Time Status Reason), rows: rows
        CFnDK.logger.info table
      end
    rescue Aws::CloudFormation::Errors::ValidationError => ex
      CFnDK.logger.warn "#{ex.class}: #{ex.message}".color(:red)
    end
  end
end

#report_change_set ⇒ Object 



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# File 'lib/cfndk/stack.rb', line 273

def report_change_set
  return if @option[:stack_names].instance_of?(Array) && !@option[:stack_names].include?(@name)
  return unless @enabled
  CFnDK.logger.info('*****************************************************'.color(:green))
  CFnDK.logger.info(('change set: ' + change_set_name).color(:green))
  CFnDK.logger.info('*****************************************************'.color(:green))
  CFnDK.logger.info('')
  resp = @client.describe_change_set(
    change_set_name: change_set_name,
    stack_name: name
  )
  CFnDK.logger.info('Execution Status: '.color(:green) + colored_status(resp.execution_status))
  CFnDK.logger.info('Status:           '.color(:green) + colored_status(resp.status))
  CFnDK.logger.info('Reason:           '.color(:green) + resp.status_reason) if resp.status_reason
  if @option[:types].instance_of?(Array) && @option[:types].include?('tag')
    CFnDK.logger.info('Tags:'.color(:green))
    tags_rows = resp.tags.map do |item|
      [
        item.key,
        item.value,
      ]
    end
    unless tags_rows.empty?
      table = Terminal::Table.new headings: %w(Key Value), rows: tags_rows
      CFnDK.logger.info table
    end
  end
  if @option[:types].instance_of?(Array) && @option[:types].include?('parameter')
    CFnDK.logger.info('Parameters:'.color(:green))
    parameter_rows = resp.parameters.map do |item|
      [
        item.parameter_key,
        item.parameter_value,
        item.use_previous_value,
        item.resolved_value,
      ]
    end
    unless parameter_rows.empty?
      table = Terminal::Table.new headings: ['Key', 'Value', 'Use Previous Value', 'Resolved Value'], rows: parameter_rows
      CFnDK.logger.info table
    end
  end
  if @option[:types].instance_of?(Array) && @option[:types].include?('changes')
    CFnDK.logger.info('Changes:'.color(:green))
    changes_rows = resp.changes.map do |item|
      [
        item.resource_change.action,
        item.resource_change.logical_resource_id,
        item.resource_change.physical_resource_id,
        item.resource_change.resource_type,
        item.resource_change.replacement,
      ]
    end
    unless changes_rows.empty?
      table = Terminal::Table.new headings: %w(Action Logical Physical Type Replacement), rows: changes_rows
      CFnDK.logger.info table
    end
  end
rescue Aws::CloudFormation::Errors::ValidationError => ex
  CFnDK.logger.warn "#{ex.class}: #{ex.message}".color(:red)
rescue Aws::CloudFormation::Errors::ChangeSetNotFound => ex
  CFnDK.logger.warn "#{ex.class}: #{ex.message}".color(:red)
end

#review_in_progress? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/cfndk/stack.rb', line 372

def review_in_progress?
  resp = @client.describe_stacks(
    stack_name: name
  )
  return true if resp.stacks[0].stack_status == 'REVIEW_IN_PROGRESS'
  false
rescue Aws::CloudFormation::Errors::ValidationError
  false
end

#update ⇒ Object 



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# File 'lib/cfndk/stack.rb', line 86

def update
  return false if @option[:stack_names].instance_of?(Array) && !@option[:stack_names].include?(@name)
  return unless @enabled
  CFnDK.logger.info(('updating stack: ' + name).color(:green))
  CFnDK.logger.debug('Name        :' + name)
  CFnDK.logger.debug('Parametres  :' + parameters.inspect)
  CFnDK.logger.debug('Capabilities:' + capabilities.inspect)
  CFnDK.logger.debug('Timeout     :' + timeout_in_minutes.to_s)
  CFnDK.logger.debug('Region      :' + region)
  begin
    hash = {
      stack_name: name,
      parameters: parameters,
      capabilities: capabilities,
    }
    hash[:role_arn] = @role_arn if @role_arn
    if @tp.large_template?
      hash[:template_url] = @tp.upload_template_file()
    else
      hash[:template_body] = @tp.template_body()
    end
    @client.update_stack(
      hash
    )
    true
  rescue Aws::CloudFormation::Errors::ValidationError => ex
    case ex.message
    when 'No updates are to be performed.'
      CFnDK.logger.warn "#{ex.message}: #{name}".color(:red)
      false
    else
      raise ex
    end
  end
end

#validate ⇒ Object 



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# File 'lib/cfndk/stack.rb', line 337

def validate
  return if @option[:stack_names].instance_of?(Array) && !@option[:stack_names].include?(@name)
  return unless @enabled
  CFnDK.logger.info(('validate stack: ' + name).color(:green))
  CFnDK.logger.debug('Name        :' + @name)
  hash = {}
  if @tp.large_template?
    hash[:template_url] = @tp.upload_template_file()
  else
    hash[:template_body] = @tp.template_body()
  end
  @client.validate_template(
    hash
  )
end

#wait_until_create ⇒ Object 



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# File 'lib/cfndk/stack.rb', line 65

def wait_until_create
  return if @option[:stack_names].instance_of?(Array) && !@option[:stack_names].include?(@name)
  return unless @enabled
  CFnDK.logger.info(('waiting create stack: ' + name).color(:green))
  begin
    @client.wait_until(
      :stack_create_complete,
      stack_name: name
    ) do |w|
      w.max_attempts = 360
      w.delay = 10
    end
    CFnDK.logger.info(('created stack: ' + name).color(:green))
  rescue Aws::Waiters::Errors::FailureStateError => ex
    CFnDK.logger.error "#{ex.class}: #{ex.message}".color(:red)
    @option[:type] = %w(tag output parameter resource event)
    report
    raise ex
  end
end

#wait_until_create_change_set ⇒ Object 



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# File 'lib/cfndk/stack.rb', line 219

def wait_until_create_change_set
  return if @option[:stack_names].instance_of?(Array) && !@option[:stack_names].include?(@name)
  return unless @enabled
  return unless exits?
  CFnDK.logger.info(('waiting create change set: ' + change_set_name).color(:green))
  @client.wait_until(
    :change_set_create_complete,
    stack_name: name,
    change_set_name: change_set_name
  ) do |w|
    w.max_attempts = 360
    w.delay = 10
  end
  CFnDK.logger.info("created change set: #{change_set_name}".color(:green))
rescue Aws::Waiters::Errors::FailureStateError => ex
  case ex.message
  when 'stopped waiting, encountered a failure state'
    unless available_change_set?
      delete_change_set
      CFnDK.logger.warn("failed create change set because this change set is UNAVAILABLE: #{change_set_name}".color(:orange))
      return
    end
  end
  raise ex
end

#wait_until_destroy ⇒ Object 



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# File 'lib/cfndk/stack.rb', line 155

def wait_until_destroy
  return if @option[:stack_names].instance_of?(Array) && !@option[:stack_names].include?(@name)
  return unless @enabled
  return unless exits?
  CFnDK.logger.info(('waiting delete stack: ' + name).color(:green))
  @client.wait_until(
    :stack_delete_complete,
    stack_name: name
  ) do |w|
    w.max_attempts = 360
    w.delay = 10
  end
  CFnDK.logger.info(('deleted stack: ' + name).color(:green))
end

#wait_until_update ⇒ Object 



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# File 'lib/cfndk/stack.rb', line 122

def wait_until_update
  return if @option[:stack_names].instance_of?(Array) && !@option[:stack_names].include?(@name)
  return unless @enabled
  CFnDK.logger.info(('waiting update stack: ' + name).color(:green))
  @client.wait_until(
    :stack_update_complete,
    stack_name: name
  ) do |w|
    w.max_attempts = 360
    w.delay = 10
  end
  CFnDK.logger.info(('updated stack: ' + name).color(:green))
end