Class: VagrantPlugins::ProviderLibvirt::Action::PackageDomain

Inherits:
Object
  • Object
show all
Defined in:
lib/vagrant-libvirt/action/package_domain.rb

Overview

Action for create new box for libvirt provider

Instance Method Summary collapse

Constructor Details

#initialize(app, env) ⇒ PackageDomain

Returns a new instance of PackageDomain.



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# File 'lib/vagrant-libvirt/action/package_domain.rb', line 8

def initialize(app, env)
  @logger = Log4r::Logger.new('vagrant_libvirt::action::package_domain')
  @app = app
  env['package.files'] ||= {}
  env['package.output'] ||= 'package.box'
end

Instance Method Details

#assebmle_box(boxname) ⇒ Object 



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# File 'lib/vagrant-libvirt/action/package_domain.rb', line 54

def assebmle_box(boxname)
  `tar cvzf "#{boxname}" --totals ./metadata.json ./Vagrantfile ./box.img`
end

#call(env) ⇒ Object 



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# File 'lib/vagrant-libvirt/action/package_domain.rb', line 15

def call(env)
  env[:ui].info(I18n.t('vagrant_libvirt.package_domain'))
  libvirt_domain =  env[:machine].provider.driver.connection.client.lookup_domain_by_uuid(
                      env[:machine].id)
  domain = env[:machine].provider.driver.connection.servers.get(env[:machine].id.to_s)
  root_disk = domain.volumes.select do |x|
    x.name == libvirt_domain.name + '.img'
  end.first
  boxname = env['package.output']
  raise "#{boxname}: Already exists" if File.exists?(boxname)
  @tmp_dir = Dir.pwd + '/_tmp_package'
  @tmp_img = @tmp_dir + '/box.img'
  Dir.mkdir(@tmp_dir)
  if File.readable?(root_disk.path)
    backing = `qemu-img info "#{root_disk.path}" | grep 'backing file:' | cut -d ':' -f2`.chomp
  else
    env[:ui].error("Require set read access to #{root_disk.path}. sudo chmod a+r #{root_disk.path}")
    FileUtils.rm_rf(@tmp_dir)
    raise 'Have no access'
  end
  env[:ui].info('Image has backing image, copying image and rebasing ...')
  FileUtils.cp(root_disk.path, @tmp_img)
  `qemu-img rebase -p -b "" #{@tmp_img}`
  # remove hw association with interface
  # working for centos with lvs default disks
  `virt-sysprep --no-logfile --operations defaults,-ssh-userdir -a #{@tmp_img} `
  Dir.chdir(@tmp_dir)
  img_size = `qemu-img info #{@tmp_img} | grep 'virtual size' | awk '{print $3;}' | tr -d 'G'`.chomp
  File.write(@tmp_dir + '/metadata.json', metadata_content(img_size))
  File.write(@tmp_dir + '/Vagrantfile',vagrantfile_content)
  assebmle_box(boxname)
  FileUtils.mv(@tmp_dir + '/' + boxname, '../' + boxname)
  FileUtils.rm_rf(@tmp_dir)
  env[:ui].info('Box created')
  env[:ui].info('You can now add the box:')
  env[:ui].info("vagrant box add #{boxname} --name any_comfortable_name")
  @app.call(env)
end

#metadata_content(filesize) ⇒ Object 



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# File 'lib/vagrant-libvirt/action/package_domain.rb', line 71

def metadata_content(filesize)
  "{\n\"provider\": \"libvirt\",\n\"format\": \"qcow2\",\n\"virtual_size\": \#{filesize}\n}\n"
end

#vagrantfile_content ⇒ Object 



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# File 'lib/vagrant-libvirt/action/package_domain.rb', line 58

def vagrantfile_content
  "Vagrant.configure(\"2\") do |config|\nconfig.vm.provider :libvirt do |libvirt|\nlibvirt.driver = \"kvm\"\nlibvirt.host = \"\"\nlibvirt.connect_via_ssh = false\nlibvirt.storage_pool_name = \"default\"\nend\nend\n"
end