Class: Bosh::Director::Jobs::ExportRelease

Inherits:
BaseJob show all
Includes:
LockHelper
Defined in:
lib/bosh/director/jobs/export_release.rb

Instance Attribute Summary

Attributes inherited from BaseJob

#task_id

Class Method Summary collapse

Instance Method Summary collapse

Methods included from LockHelper

#with_compile_lock, #with_deployment_lock, #with_release_lock, #with_release_locks, #with_stemcell_lock

Methods inherited from BaseJob

#begin_stage, #event_log, #logger, perform, #result_file, #single_step_stage, #task_cancelled?, #task_checkpoint, #track_and_log

Constructor Details

#initialize(deployment_name, release_name, release_version, stemcell_os, stemcell_version, options = {}) ⇒ ExportRelease

Returns a new instance of ExportRelease.



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# File 'lib/bosh/director/jobs/export_release.rb', line 17

def initialize(deployment_name, release_name, release_version, stemcell_os, stemcell_version, options = {})
  @deployment_name = deployment_name
  @release_name = release_name
  @release_version = release_version
  @stemcell_os = stemcell_os
  @stemcell_version = stemcell_version
end

Class Method Details

.job_type ⇒ Object 



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# File 'lib/bosh/director/jobs/export_release.rb', line 13

def self.job_type
  :export_release
end

Instance Method Details

#create_fake_job(planner, fake_resource_pool_manifest, network_name) ⇒ Object 



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# File 'lib/bosh/director/jobs/export_release.rb', line 136

def create_fake_job(planner, fake_resource_pool_manifest, network_name)
  fake_job_spec_for_compiling = {
      "name" => "dummy-job-for-compilation",
      "release" => @release_name,
      "instances" => 1,
      "resource_pool" => fake_resource_pool_manifest['name'],
      "templates" => @release_version_model.templates.map do |template|
        { "name" => template.name, "release" => @release_name }
      end,
      "networks" => [ "name" => network_name ],
  }

  fake_job = DeploymentPlan::Job.parse(planner, fake_job_spec_for_compiling, Config.event_log, Config.logger)
  @release_version_model.packages.each { |package| fake_job.packages[package.name] = package }
  fake_job.resource_pool.stemcell.bind_model
  fake_job.release.bind_model
  fake_job.templates.each { |template| template.bind_models }
  fake_job
end

#create_planner ⇒ Object 



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# File 'lib/bosh/director/jobs/export_release.rb', line 80

def create_planner
  cloud_config_model = @targeted_deployment.cloud_config

  planner_factory = DeploymentPlan::PlannerFactory.create(Config.event_log, Config.logger)
  planner = planner_factory.planner_without_vm_binding(
      @deployment_manifest,
      cloud_config_model,
      {}
  )
  network_name = planner.networks.first.name

  fake_resource_pool_manifest = {
      "name" => "just_for_compiling",
      "network" => network_name,
      "stemcell" => { "name" => @stemcell.name, "version" => @stemcell.version }
  }

  resource_pool = DeploymentPlan::ResourcePool.new(planner, fake_resource_pool_manifest, Config.logger)
  planner.add_resource_pool(resource_pool)
  planner.reset_jobs

  fake_job = create_fake_job(planner, fake_resource_pool_manifest, network_name)
  planner.add_job(fake_job)

  planner
end

#create_tarball ⇒ Object 



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# File 'lib/bosh/director/jobs/export_release.rb', line 107

def create_tarball

  blobstore_client = Bosh::Director::App.instance.blobstores.blobstore

  compiled_packages_group = CompiledPackageGroup.new(@release_version_model, @stemcell)
  templates = @release_version_model.templates.map

  compiled_release_downloader = CompiledReleaseDownloader.new(compiled_packages_group, templates, blobstore_client)
  download_dir = compiled_release_downloader.download

  manifest = CompiledReleaseManifest.new(compiled_packages_group, templates, @stemcell)
  manifest.write(File.join(download_dir, 'release.MF'))

  output_path = File.join(download_dir, "compiled_release_#{Time.now.to_f}.tar.gz")
  archiver = Core::TarGzipper.new

  archiver.compress(download_dir, ['compiled_packages', 'jobs', 'release.MF'], output_path)
  tarball_file = File.open(output_path, 'r')

  oid = blobstore_client.create(tarball_file)

  {
      :blobstore_id => oid,
      :sha1 => Digest::SHA1.file(output_path).hexdigest,
  }
ensure
  compiled_release_downloader.cleanup unless compiled_release_downloader.nil?
end

#deployment_manifest_has_release? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/bosh/director/jobs/export_release.rb', line 71

def deployment_manifest_has_release?
  @deployment_manifest["releases"].each do |release|
    if (release["name"] == @release_name) && (release["version"] == @release_version)
      return true
    end
  end
  false
end

#perform ⇒ void

This method returns an undefined value.



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# File 'lib/bosh/director/jobs/export_release.rb', line 26

def perform
  logger.info("Exporting release: #{@release_name}/#{@release_version} for #{@stemcell_os}/#{@stemcell_version}")

  stemcell_manager = Bosh::Director::Api::StemcellManager.new
  @stemcell = stemcell_manager.find_by_os_and_version(@stemcell_os, @stemcell_version)

  logger.info "Will compile with stemcell: #{@stemcell.desc}"

  deployment_manager = Bosh::Director::Api::DeploymentManager.new
  @targeted_deployment = deployment_manager.find_by_name(@deployment_name)
  @deployment_manifest = Psych.load(@targeted_deployment.manifest)

  release_manager = Bosh::Director::Api::ReleaseManager.new
  release = release_manager.find_by_name(@release_name)
  @release_version_model = release_manager.find_version(release, @release_version)

  unless deployment_manifest_has_release?
    raise ReleaseNotMatchingManifest, "Release #{@release_name}/#{@release_version} not found in deployment #{@deployment_name} manifest"
  end

  lock_timeout = 15 * 60 # 15 minutes

  with_deployment_lock(@deployment_name, :timeout => lock_timeout) do
    with_release_lock(@release_name, :timeout => lock_timeout) do
      with_stemcell_lock(@stemcell.name, @stemcell.version, :timeout => lock_timeout) do

        planner = create_planner
        package_compile_step = DeploymentPlan::Steps::PackageCompileStep.new(
            planner,
            Config.cloud, # CPI
            Config.logger,
            Config.event_log,
            self
        )
        package_compile_step.perform

        tarball_state = create_tarball
        result_file.write(tarball_state.to_json + "\n")

      end
    end
  end
  "Exported release: #{@release_name}/#{@release_version} for #{@stemcell_os}/#{@stemcell_version}"
end