Class: CemAcpt::ImageBuilder::TerraformBuilder

Inherits:
Object
  • Object
show all
Includes:
Logging
Defined in:
lib/cem_acpt/image_builder.rb

Overview

This class builds test node images using Terraform NOTE: There is a huge amount of overlap between this class and CemAcpt::Provision::Terraform. This isn’t ideal, but there are enough differences that a new class was needed. This should be refactored in the future.

Constant Summary collapse

DEFAULT_PLAN_NAME = 
'testplan.tfplan'
DEFAULT_VARS_FILE = 
'imagevars.json'
GCE_IMAGE_NAME_MAX =

GCE image names must match RFC 1035 label rules: 1-63 chars, lowercase alphanumeric and dashes, no trailing dash. See cloud.google.com/compute/docs/reference/rest/v1/images.

63

Constants included from Logging

Logging::LEVEL_MAP

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from Logging

current_log_config, #current_log_config, current_log_format, #current_log_format, current_log_level, #current_log_level, included, logger, #logger, new_log_config, #new_log_config, new_log_formatter, #new_log_formatter, new_log_level, #new_log_level, new_logger, #new_logger, verbose?, #verbose?

Constructor Details

#initialize(config) ⇒ TerraformBuilder

Returns a new instance of TerraformBuilder.



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# File 'lib/cem_acpt/image_builder.rb', line 47

def initialize(config)
  @config = config
  @image_terraform_dir = File.join(config.get('terraform.dir'), 'image', config.get('platform.name'))
  @exec = CemAcpt::ImageBuilder::Exec.new_exec(@config)
  @environment = new_environment(@config)
  @all_tfvars = { node_data: {} }
  @linux_tfvars = { node_data: {} }
  @windows_tfvars = { node_data: {} }
  @duration = 0
  @exit_code = 1
  @private_key = nil
  @public_key = nil
end

Instance Attribute Details

#duration ⇒ Object (readonly)

Returns the value of attribute duration.



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# File 'lib/cem_acpt/image_builder.rb', line 45

def duration
  @duration
end

#exit_code ⇒ Object (readonly)

Returns the value of attribute exit_code.



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# File 'lib/cem_acpt/image_builder.rb', line 45

def exit_code
  @exit_code
end

Instance Method Details

#run ⇒ Object 



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# File 'lib/cem_acpt/image_builder.rb', line 61

def run
  @start_time = Time.now
  logger.start_ci_group("CemAcptImage v#{CemAcpt::VERSION} run started at #{@start_time}")
  @all_tfvars = new_tfvars(@config)
  @linux_tfvars, @windows_tfvars = divide_tfvars_by_os(@all_tfvars)
  image_types = []
  image_types << [@linux_tfvars, 'linux'] unless no_linux?
  image_types << [@windows_tfvars, 'windows'] unless no_windows?
  if image_types.empty?
    raise 'No images to build. Ensure the images config is populated and that --filter (if used) matches at least one image.'
  end
  image_types.each { |_, os_str| assert_template_present!(os_str) }
  return dry_run(image_types) if @config.get('dry_run')

  @working_dir = new_working_dir
  logger.info('CemAcpt::ImageBuilder') { "Using working directory: #{@working_dir}..." }
  keep_terminal_alive
  save_vars_to_file!('linux', @linux_tfvars)
  save_vars_to_file!('windows', @windows_tfvars)
  terraform_init
  image_types.each do |tfvars, os_str|
    terraform_plan(os_str, tfvars, DEFAULT_PLAN_NAME)
    begin
      terraform_apply(os_str, DEFAULT_PLAN_NAME)
      output = JSON.parse(terraform_output(os_str, 'node-data', json: true))
      output.each do |instance_name, data|
        unless @config.get('no_destroy_nodes')
          logger.info('CemAcpt::ImageBuilder') { "Stopping instance #{instance_name}..." }
          @exec.run('compute', 'instances', 'stop', instance_name, '--zone', @config.get('platform.zone'))
        end
        unless @config.get('no_build_images')
          deprecate_old_images_in_family(data['image_family'])
          create_image_from_disk(data['disk_link'], image_name_from_image_family(data['image_family']), data['image_family'])
        end
        @exit_code = 0
      end
    ensure
      terraform_destroy(os_str, tfvars) unless @config.get('no_destroy_nodes')
    end
  end
rescue StandardError => e
  logger.error('CemAcpt::ImageBuilder') { "Image builder failed with error: #{e}" }
  logger.verbose('CemAcpt::ImageBuilder') { e.backtrace.join("\n") }
  @exit_code = 1
ensure
  if @start_time
    @duration = Time.now - @start_time
  else
    @duration = 0
  end
  logger.end_ci_group
end