Class: KnifePromote::PromoteEnvironment

Inherits:
Chef::Knife
  • Object
show all
Defined in:
lib/chef/knife/promote.rb

Instance Method Summary collapse

Instance Method Details

#run ⇒ Object 



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# File 'lib/chef/knife/promote.rb', line 24

def run
  if @name_args.length < 2
    show_usage
    ui.error("You must specify a source and destination environment")
    exit 1
  end

  source_env = @name_args[0]
  dest_env = @name_args[1]

  promote_config = Promote::Config.new({
    :repo_root => File.expand_path("../",Chef::Config[:cookbook_path][0]),
    :node_name => Chef::Config[:node_name],
    :client_key => Chef::Config[:client_key],
    :chef_server_url => Chef::Config[:chef_server_url],
    :temp_directory => '/tmp/promote_staging',
    :bags => config[:bags]
  })
  destination_config = Promote::Config.new({
    :repo_root => promote_config.temp_directory,
    :node_name => Chef::Config[:knife][:promote_prod_user],
    :client_key => Chef::Config[:knife][:promote_prod_client_key],
    :chef_server_url => Chef::Config[:knife][:promote_prod_url]
  })

  # Confirm local git repo is in sync with origin/master
  source = "environments/#{source_env}.json"
  dest = "environments/#{dest_env}.json"
  r = Promote::GitRepo.new(promote_config.repo_root)
  r.check_sync(source, dest)

  ui.info "*** #{source_env} is being promoted to #{dest_env}"
  ui.confirm "Are you sure this is what you want to do"

  promoter = Promote::Promoter.new(promote_config)
  uploader = Promote::Uploader.new(promote_config)
  Chef::Config[:verbosity] = 2

  # Locally mirror the environment constraints over
  promoter.promote_to(source_env, dest_env, ui)

  if !config[:dry]
    ui.info "Committing and pushing changes to #{dest_env} back to git"
    env_file = File.join(promote_config.environment_directory, "#{dest_env}.json")
    repo = Promote::GitRepo.new(env_file)

    # If there were any pushes to the repo between the sync check
    # and here the commit will throw. So we do a pull to avoid that.
    repo.git.pull 
    repo.commit("promoted new constraints from #{source_env} to #{dest_env}", true)
  end

  # Uploads the environment to QA
  ui.info "uploading #{dest_env} to #{promote_config.chef_server_url}"
  uploader.upload_environment(dest_env)

  promoter.stage_promotion(dest_env, destination_config, ui)

  if !config[:dry]
    promoter.upload_to(dest_env, destination_config, ui)
    ui.info "promotion complete. Congratulations #{dest_env} on a well deserved promotion!!"
  end
end