Class: Bosh::Director::InstanceUpdater::VmUpdater
- Defined in:
- lib/bosh/director/instance_updater/vm_updater.rb
Defined Under Namespace
Classes: DiskAttacher, DiskDetacher, VmCreator, VmDeleter
Instance Method Summary collapse
- #attach_missing_disk ⇒ Object
- #detach ⇒ Object
-
#initialize(instance, vm_model, agent_client, job_renderer, cloud, max_update_tries, logger) ⇒ VmUpdater
constructor
A new instance of VmUpdater.
- #update(new_disk_cid) ⇒ Object
Constructor Details
#initialize(instance, vm_model, agent_client, job_renderer, cloud, max_update_tries, logger) ⇒ VmUpdater
Returns a new instance of VmUpdater.
3 4 5 6 7 8 9 10 11 |
# File 'lib/bosh/director/instance_updater/vm_updater.rb', line 3 def initialize(instance, vm_model, agent_client, job_renderer, cloud, max_update_tries, logger) @instance = instance @vm_model = vm_model @agent_client = agent_client @job_renderer = job_renderer @cloud = cloud @max_update_tries = max_update_tries @logger = logger end |
Instance Method Details
#attach_missing_disk ⇒ Object
62 63 64 65 66 67 68 69 70 71 72 73 74 75 |
# File 'lib/bosh/director/instance_updater/vm_updater.rb', line 62 def attach_missing_disk if !@instance.model.persistent_disk_cid || @instance.disk_currently_attached? @logger.info('Skipping attaching missing VM') return end begin disk_attacher = DiskAttacher.new(@instance, @vm_model, @agent_client, @cloud, @logger) disk_attacher.attach rescue Bosh::Clouds::NoDiskSpace => e @logger.warn("Failed attaching missing disk first time: #{e.inspect}") update(@instance.model.persistent_disk_cid) end end |
#detach ⇒ Object
50 51 52 53 54 55 56 57 58 59 60 |
# File 'lib/bosh/director/instance_updater/vm_updater.rb', line 50 def detach @logger.info('Detaching VM') disk_detacher = DiskDetacher.new(@instance, @vm_model, @agent_client, @cloud, @logger) disk_detacher.detach vm_deleter = VmDeleter.new(@instance, @vm_model, @cloud, @logger) vm_deleter.delete @instance.job.resource_pool.add_idle_vm end |
#update(new_disk_cid) ⇒ Object
13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 |
# File 'lib/bosh/director/instance_updater/vm_updater.rb', line 13 def update(new_disk_cid) if !@instance.resource_pool_changed? && !new_disk_cid @logger.info('Skipping VM update') return [@vm_model, @agent_client] end disk_detacher = DiskDetacher.new(@instance, @vm_model, @agent_client, @cloud, @logger) disk_detacher.detach @max_update_tries.times do |try| vm_deleter = VmDeleter.new(@instance, @vm_model, @cloud, @logger) vm_deleter.delete vm_creator = VmCreator.new(@instance, @cloud, @logger) @vm_model, @agent_client = vm_creator.create(new_disk_cid) begin disk_attacher = DiskAttacher.new(@instance, @vm_model, @agent_client, @cloud, @logger) disk_attacher.attach break rescue Bosh::Clouds::NoDiskSpace => e if e.ok_to_retry && try < @max_update_tries-1 @logger.warn("Retrying attach disk operation #{try}: #{e.inspect}") else @logger.warn("Failed to attach disk to new VM: #{e.inspect}") raise CloudNotEnoughDiskSpace, "Not enough disk space to update `#{@instance}'" end end end @instance.apply_vm_state @job_renderer.render_job_instance(@instance) [@vm_model, @agent_client] end |