Class: VagrantPlugins::ProviderLibvirt::Action::StartDomain
- Inherits:
-
Object
- Object
- VagrantPlugins::ProviderLibvirt::Action::StartDomain
- Defined in:
- lib/vagrant-libvirt/action/start_domain.rb
Overview
Just start the domain.
Instance Method Summary collapse
- #call(env) ⇒ Object
-
#initialize(app, _env) ⇒ StartDomain
constructor
A new instance of StartDomain.
Constructor Details
#initialize(app, _env) ⇒ StartDomain
Returns a new instance of StartDomain.
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# File 'lib/vagrant-libvirt/action/start_domain.rb', line 9 def initialize(app, _env) @logger = Log4r::Logger.new('vagrant_libvirt::action::start_domain') @app = app end |
Instance Method Details
#call(env) ⇒ Object
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# File 'lib/vagrant-libvirt/action/start_domain.rb', line 14 def call(env) env[:ui].info(I18n.t('vagrant_libvirt.starting_domain')) domain = env[:machine].provider.driver.connection.servers.get(env[:machine].id.to_s) raise Errors::NoDomainError if domain.nil? config = env[:machine].provider_config begin # update domain settings on change. libvirt_domain = env[:machine].provider.driver.connection.client.lookup_domain_by_uuid(env[:machine].id) # libvirt API doesn't support modifying memory on NUMA enabled CPUs # http://libvirt.org/git/?p=libvirt.git;a=commit;h=d174394105cf00ed266bf729ddf461c21637c736 if config.numa_nodes == nil if config.memory.to_i * 1024 != libvirt_domain.max_memory libvirt_domain.max_memory = config.memory.to_i * 1024 libvirt_domain.memory = libvirt_domain.max_memory end end begin # XML definition manipulation descr = libvirt_domain.xml_desc(1) xml_descr = REXML::Document.new descr descr_changed = false # additional disk bus config.disks.each do |disk| device = disk[:device] bus = disk[:bus] REXML::XPath.each(xml_descr, '/domain/devices/disk[@device="disk"]/target[@dev="' + device + '"]') do |disk_target| next unless disk_target.attributes['bus'] != bus descr_changed = true disk_target.attributes['bus'] = bus disk_target.parent.delete_element("#{disk_target.parent.xpath}/address") end end # disk_bus REXML::XPath.each(xml_descr, '/domain/devices/disk[@device="disk"]/target[@dev="vda"]') do |disk_target| next unless disk_target.attributes['bus'] != config.disk_bus descr_changed = true disk_target.attributes['bus'] = config.disk_bus disk_target.parent.delete_element("#{disk_target.parent.xpath}/address") end # Iterface type unless config.nic_model_type.nil? REXML::XPath.each(xml_descr, '/domain/devices/interface/model') do |iface_model| if iface_model.attributes['type'] != config.nic_model_type descr_changed = true iface_model.attributes['type'] = config.nic_model_type end end end # vCpu count if config.cpus.to_i != libvirt_domain.vcpus.length descr_changed = true REXML::XPath.first(xml_descr, '/domain/vcpu').text = config.cpus end # cpu_mode cpu = REXML::XPath.first(xml_descr, '/domain/cpu') if cpu.nil? descr_changed = true cpu = REXML::Element.new('cpu', REXML::XPath.first(xml_descr, '/domain')) cpu.attributes['mode'] = config.cpu_mode else if cpu.attributes['mode'] != config.cpu_mode descr_changed = true cpu.attributes['mode'] = config.cpu_mode end end if config.cpu_mode != 'host-passthrough' cpu_model = REXML::XPath.first(xml_descr, '/domain/cpu/model') if cpu_model.nil? descr_changed = true cpu_model = REXML::Element.new('model', REXML::XPath.first(xml_descr, '/domain/cpu')) cpu_model.attributes['fallback'] = 'allow' cpu_model.text = config.cpu_model else if cpu_model.text != config.cpu_model descr_changed = true cpu_model.text = config.cpu_model end if cpu_model.attributes['fallback'] != config.cpu_fallback descr_changed = true cpu_model.attributes['fallback'] = config.cpu_fallback end end vmx_feature = REXML::XPath.first(xml_descr, '/domain/cpu/feature[@name="vmx"]') svm_feature = REXML::XPath.first(xml_descr, '/domain/cpu/feature[@name="svm"]') if config.nested if vmx_feature.nil? descr_changed = true vmx_feature = REXML::Element.new('feature', REXML::XPath.first(xml_descr, '/domain/cpu')) vmx_feature.attributes['policy'] = 'optional' vmx_feature.attributes['name'] = 'vmx' end if svm_feature.nil? descr_changed = true svm_feature = REXML::Element.new('feature', REXML::XPath.first(xml_descr, '/domain/cpu')) svm_feature.attributes['policy'] = 'optional' svm_feature.attributes['name'] = 'svm' end else unless vmx_feature.nil? descr_changed = true cpu.delete_element(vmx_feature) end unless svm_feature.nil? descr_changed = true cpu.delete_element(svm_feature) end end elsif config.numa_nodes == nil unless cpu.elements.to_a.empty? descr_changed = true cpu.elements.each do |elem| cpu.delete_element(elem) end end end # Graphics graphics = REXML::XPath.first(xml_descr, '/domain/devices/graphics') if config.graphics_type != 'none' if graphics.nil? descr_changed = true graphics = REXML::Element.new('graphics', REXML::XPath.first(xml_descr, '/domain/devices')) end if graphics.attributes['type'] != config.graphics_type descr_changed = true graphics.attributes['type'] = config.graphics_type end if graphics.attributes['listen'] != config.graphics_ip descr_changed = true graphics.attributes['listen'] = config.graphics_ip graphics.delete_element('//listen') end if graphics.attributes['autoport'] != config.graphics_autoport descr_changed = true graphics.attributes['autoport'] = config.graphics_autoport if config.graphics_autoport == 'no' graphics.attributes['port'] = config.graphics_port end end if graphics.attributes['keymap'] != config.keymap descr_changed = true graphics.attributes['keymap'] = config.keymap end if graphics.attributes['passwd'] != config.graphics_passwd descr_changed = true if config.graphics_passwd.nil? graphics.attributes.delete 'passwd' else graphics.attributes['passwd'] = config.graphics_passwd end end else # graphics_type = none, remove entire element graphics.parent.delete_element(graphics) unless graphics.nil? end # TPM if config.tpm_path raise Errors::FogCreateServerError, 'The TPM Path must be fully qualified' unless config.tpm_path[0].chr == '/' tpm = REXML::XPath.first(xml_descr, '/domain/devices/tpm') if tpm.nil? descr_changed = true tpm = REXML::Element.new('tpm', REXML::XPath.first(xml_descr, '/domain/devices/tpm/model')) tpm.attributes['model'] = config.tpm_model tpm_backend_type = tpm.add_element('backend') tpm_backend_type.attributes['type'] = config.tpm_type tpm_device_path = tpm_backend_type.add_element('device') tpm_device_path.attributes['path'] = config.tpm_path else if tpm.attributes['model'] != config.tpm_model descr_changed = true tpm.attributes['model'] = config.tpm_model end if tpm.elements['backend'].attributes['type'] != config.tpm_type descr_changed = true tpm.elements['backend'].attributes['type'] = config.tpm_type end if tpm.elements['backend'].elements['device'].attributes['path'] != config.tpm_path descr_changed = true tpm.elements['backend'].elements['device'].attributes['path'] = config.tpm_path end end end # Video device video = REXML::XPath.first(xml_descr, '/domain/devices/video') if !video.nil? && (config.graphics_type == 'none') # graphics_type = none, video devices are removed since there is no possible output descr_changed = true video.parent.delete_element(video) else video_model = REXML::XPath.first(xml_descr, '/domain/devices/video/model') if video_model.nil? video_model = REXML::Element.new('model', REXML::XPath.first(xml_descr, '/domain/devices/video')) video_model.attributes['type'] = config.video_type video_model.attributes['vram'] = config.video_vram else if video_model.attributes['type'] != config.video_type || video_model.attributes['vram'] != config.video_vram descr_changed = true video_model.attributes['type'] = config.video_type video_model.attributes['vram'] = config.video_vram end end end # Sound device if config.sound_type sound = REXML::XPath.first(xml_descr,'/domain/devices/sound/model') end # dtb if config.dtb dtb = REXML::XPath.first(xml_descr, '/domain/os/dtb') if dtb.nil? descr_changed = true dtb = REXML::Element.new('dtb', REXML::XPath.first(xml_descr, '/domain/os')) dtb.text = config.dtb else if dtb.text != config.dtb descr_changed = true dtb.text = config.dtb end end end # kernel and initrd if config.kernel kernel = REXML::XPath.first(xml_descr, '/domain/os/kernel') if kernel.nil? descr_changed = true kernel = REXML::Element.new('kernel', REXML::XPath.first(xml_descr, '/domain/os')) kernel.text = config.kernel else if kernel.text != config.kernel descr_changed = true kernel.text = config.kernel end end end if config.initrd initrd = REXML::XPath.first(xml_descr, '/domain/os/initrd') if initrd.nil? descr_changed = true initrd = REXML::Element.new('initrd', REXML::XPath.first(xml_descr, '/domain/os')) initrd.text = config.initrd else if initrd.text != config.initrd descr_changed = true initrd.text = config.initrd end end end # Apply if descr_changed begin libvirt_domain.undefine new_descr = '' xml_descr.write new_descr server = env[:machine].provider.driver.connection.servers.create(xml: new_descr) rescue Fog::Errors::Error => e server = env[:machine].provider.driver.connection.servers.create(xml: descr) raise Errors::FogCreateServerError, error_message: e. end end rescue => e env[:ui].error("Error when updating domain settings: #{e.}") end # Autostart with host if enabled in Vagrantfile libvirt_domain.autostart = config.autostart # Actually start the domain domain.start rescue => e raise Errors::FogError, message: e. end @app.call(env) end |