Class: Bosh::OpenStackCloud::Cloud
- Inherits:
-
Cloud
- Object
- Cloud
- Bosh::OpenStackCloud::Cloud
- Includes:
- Helpers
- Defined in:
- lib/cloud/openstack/cloud.rb
Overview
BOSH OpenStack CPI
Constant Summary collapse
- OPTION_KEYS =
['openstack', 'registry', 'agent']
- BOSH_APP_DIR =
'/var/vcap/bosh'
- FIRST_DEVICE_NAME_LETTER =
'b'
Constants included from Helpers
Helpers::DEFAULT_RETRY_TIMEOUT, Helpers::DEFAULT_STATE_TIMEOUT, Helpers::MAX_RETRIES
Instance Attribute Summary collapse
-
#glance ⇒ Object
readonly
Returns the value of attribute glance.
-
#logger ⇒ Object
Returns the value of attribute logger.
-
#openstack ⇒ Object
readonly
Returns the value of attribute openstack.
-
#registry ⇒ Object
readonly
Returns the value of attribute registry.
-
#volume ⇒ Object
readonly
Returns the value of attribute volume.
Instance Method Summary collapse
-
#attach_disk(server_id, disk_id) ⇒ void
Attaches an OpenStack volume to an OpenStack server.
-
#configure_networks(server_id, network_spec) ⇒ void
Configures networking on existing OpenStack server.
-
#create_boot_disk(size, stemcell_id, availability_zone = nil, boot_volume_cloud_properties = {}) ⇒ String
Creates a new OpenStack boot volume.
-
#create_disk(size, cloud_properties, server_id = nil) ⇒ String
Creates a new OpenStack volume.
-
#create_stemcell(image_path, cloud_properties) ⇒ String
Creates a new OpenStack Image using stemcell image.
-
#create_vm(agent_id, stemcell_id, resource_pool, network_spec = nil, disk_locality = nil, environment = nil) ⇒ String
Creates an OpenStack server and waits until it’s in running state.
-
#delete_disk(disk_id) ⇒ void
Deletes an OpenStack volume.
-
#delete_snapshot(snapshot_id) ⇒ void
Deletes an OpenStack volume snapshot.
-
#delete_stemcell(stemcell_id) ⇒ void
Deletes a stemcell.
-
#delete_vm(server_id) ⇒ void
Terminates an OpenStack server and waits until it reports as terminated.
-
#detach_disk(server_id, disk_id) ⇒ void
Detaches an OpenStack volume from an OpenStack server.
-
#ensure_same_availability_zone(disks, default) ⇒ String
Ensure all supplied availability zones are the same.
-
#has_vm?(server_id) ⇒ Boolean
Checks if an OpenStack server exists.
-
#initialize(options) ⇒ Cloud
constructor
Creates a new BOSH OpenStack CPI.
-
#reboot_vm(server_id) ⇒ void
Reboots an OpenStack Server.
-
#select_availability_zone(volumes, resource_pool_az) ⇒ String
Selects the availability zone to use from a list of disk volumes, resource pool availability zone (if any) and the default availability zone.
-
#set_vm_metadata(server_id, metadata) ⇒ void
Set metadata for an OpenStack server.
-
#snapshot_disk(disk_id, metadata) ⇒ String
Takes a snapshot of an OpenStack volume.
Methods included from Helpers
#cloud_error, #parse_openstack_response, #task_checkpoint, #wait_resource, #with_openstack
Constructor Details
#initialize(options) ⇒ Cloud
Creates a new BOSH OpenStack CPI
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# File 'lib/cloud/openstack/cloud.rb', line 28 def initialize() @options = () initialize_registry @logger = Bosh::Clouds::Config.logger @agent_properties = @options['agent'] || {} @openstack_properties = @options['openstack'] @default_key_name = @openstack_properties["default_key_name"] @default_security_groups = @openstack_properties["default_security_groups"] @state_timeout = @openstack_properties["state_timeout"] @stemcell_public_visibility = @openstack_properties["stemcell_public_visibility"] @wait_resource_poll_interval = @openstack_properties["wait_resource_poll_interval"] @boot_from_volume = @openstack_properties["boot_from_volume"] @boot_volume_cloud_properties = @openstack_properties["boot_volume_cloud_properties"] || {} unless @openstack_properties['auth_url'].match(/\/tokens$/) @openstack_properties['auth_url'] = @openstack_properties['auth_url'] + '/tokens' end @openstack_properties['connection_options'] ||= {} = {'instrumentor' => Bosh::OpenStackCloud::ExconLoggingInstrumentor} openstack_params = { :provider => 'OpenStack', :openstack_auth_url => @openstack_properties['auth_url'], :openstack_username => @openstack_properties['username'], :openstack_api_key => @openstack_properties['api_key'], :openstack_tenant => @openstack_properties['tenant'], :openstack_region => @openstack_properties['region'], :openstack_endpoint_type => @openstack_properties['endpoint_type'], :connection_options => @openstack_properties['connection_options'].merge() } begin @openstack = Fog::Compute.new(openstack_params) rescue Exception => e @logger.error(e) cloud_error('Unable to connect to the OpenStack Compute API. Check task debug log for details.') end glance_params = { :provider => 'OpenStack', :openstack_auth_url => @openstack_properties['auth_url'], :openstack_username => @openstack_properties['username'], :openstack_api_key => @openstack_properties['api_key'], :openstack_tenant => @openstack_properties['tenant'], :openstack_region => @openstack_properties['region'], :openstack_endpoint_type => @openstack_properties['endpoint_type'], :connection_options => @openstack_properties['connection_options'].merge() } begin @glance = Fog::Image.new(glance_params) rescue Exception => e @logger.error(e) cloud_error('Unable to connect to the OpenStack Image Service API. Check task debug log for details.') end volume_params = { :provider => "OpenStack", :openstack_auth_url => @openstack_properties['auth_url'], :openstack_username => @openstack_properties['username'], :openstack_api_key => @openstack_properties['api_key'], :openstack_tenant => @openstack_properties['tenant'], :openstack_region => @openstack_properties['region'], :openstack_endpoint_type => @openstack_properties['endpoint_type'], :connection_options => @openstack_properties['connection_options'].merge() } begin @volume = Fog::Volume.new(volume_params) rescue Exception => e @logger.error(e) cloud_error("Unable to connect to the OpenStack Volume API. Check task debug log for details.") end @metadata_lock = Mutex.new end |
Instance Attribute Details
#glance ⇒ Object (readonly)
Returns the value of attribute glance.
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# File 'lib/cloud/openstack/cloud.rb', line 17 def glance @glance end |
#logger ⇒ Object
Returns the value of attribute logger.
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# File 'lib/cloud/openstack/cloud.rb', line 19 def logger @logger end |
#openstack ⇒ Object (readonly)
Returns the value of attribute openstack.
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# File 'lib/cloud/openstack/cloud.rb', line 15 def openstack @openstack end |
#registry ⇒ Object (readonly)
Returns the value of attribute registry.
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# File 'lib/cloud/openstack/cloud.rb', line 16 def registry @registry end |
#volume ⇒ Object (readonly)
Returns the value of attribute volume.
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# File 'lib/cloud/openstack/cloud.rb', line 18 def volume @volume end |
Instance Method Details
#attach_disk(server_id, disk_id) ⇒ void
This method returns an undefined value.
Attaches an OpenStack volume to an OpenStack server
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# File 'lib/cloud/openstack/cloud.rb', line 489 def attach_disk(server_id, disk_id) with_thread_name("attach_disk(#{server_id}, #{disk_id})") do server = with_openstack { @openstack.servers.get(server_id) } cloud_error("Server `#{server_id}' not found") unless server volume = with_openstack { @openstack.volumes.get(disk_id) } cloud_error("Volume `#{disk_id}' not found") unless volume device_name = attach_volume(server, volume) update_agent_settings(server) do |settings| settings['disks'] ||= {} settings['disks']['persistent'] ||= {} settings['disks']['persistent'][disk_id] = device_name end end end |
#configure_networks(server_id, network_spec) ⇒ void
This method returns an undefined value.
Configures networking on existing OpenStack server
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# File 'lib/cloud/openstack/cloud.rb', line 364 def configure_networks(server_id, network_spec) with_thread_name("configure_networks(#{server_id}, ...)") do @logger.info("Configuring `#{server_id}' to use the following " \ "network settings: #{network_spec.pretty_inspect}") network_configurator = NetworkConfigurator.new(network_spec) server = with_openstack { @openstack.servers.get(server_id) } cloud_error("Server `#{server_id}' not found") unless server compare_security_groups(server, network_configurator.security_groups(@default_security_groups)) compare_private_ip_addresses(server, network_configurator.private_ips) network_configurator.configure(@openstack, server) update_agent_settings(server) do |settings| settings['networks'] = network_spec end end end |
#create_boot_disk(size, stemcell_id, availability_zone = nil, boot_volume_cloud_properties = {}) ⇒ String
Creates a new OpenStack boot volume
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# File 'lib/cloud/openstack/cloud.rb', line 434 def create_boot_disk(size, stemcell_id, availability_zone = nil, boot_volume_cloud_properties = {}) with_thread_name("create_boot_disk(#{size}, #{stemcell_id}, #{availability_zone}, #{boot_volume_cloud_properties})") do raise ArgumentError, "Disk size needs to be an integer" unless size.kind_of?(Integer) cloud_error("Minimum disk size is 1 GiB") if (size < 1024) cloud_error("Maximum disk size is 1 TiB") if (size > 1024 * 1000) volume_params = { :display_name => "volume-#{generate_unique_name}", :size => (size / 1024.0).ceil, :imageRef => stemcell_id } volume_params[:availability_zone] = availability_zone if availability_zone volume_params[:volume_type] = boot_volume_cloud_properties["type"] if boot_volume_cloud_properties["type"] @logger.info("Creating new boot volume...") boot_volume = with_openstack { @volume.volumes.create(volume_params) } @logger.info("Creating new boot volume `#{boot_volume.id}'...") wait_resource(boot_volume, :available) boot_volume.id.to_s end end |
#create_disk(size, cloud_properties, server_id = nil) ⇒ String
Creates a new OpenStack volume
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# File 'lib/cloud/openstack/cloud.rb', line 392 def create_disk(size, cloud_properties, server_id = nil) with_thread_name("create_disk(#{size}, #{cloud_properties}, #{server_id})") do raise ArgumentError, 'Disk size needs to be an integer' unless size.kind_of?(Integer) cloud_error('Minimum disk size is 1 GiB') if (size < 1024) cloud_error('Maximum disk size is 1 TiB') if (size > 1024 * 1000) volume_params = { :display_name => "volume-#{generate_unique_name}", :display_description => '', :size => (size / 1024.0).ceil } if cloud_properties.has_key?('type') volume_params[:volume_type] = cloud_properties['type'] end if server_id server = with_openstack { @openstack.servers.get(server_id) } if server && server.availability_zone volume_params[:availability_zone] = server.availability_zone end end @logger.info('Creating new volume...') new_volume = with_openstack { @volume.volumes.create(volume_params) } @logger.info("Creating new volume `#{new_volume.id}'...") wait_resource(new_volume, :available) new_volume.id.to_s end end |
#create_stemcell(image_path, cloud_properties) ⇒ String
Creates a new OpenStack Image using stemcell image. It requires access to the OpenStack Glance service.
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# File 'lib/cloud/openstack/cloud.rb', line 125 def create_stemcell(image_path, cloud_properties) with_thread_name("create_stemcell(#{image_path}...)") do begin Dir.mktmpdir do |tmp_dir| @logger.info('Creating new image...') image_params = { :name => "BOSH-#{generate_unique_name}", :disk_format => cloud_properties['disk_format'], :container_format => cloud_properties['container_format'], :is_public => @stemcell_public_visibility.nil? ? false : @stemcell_public_visibility, } image_properties = {} = ['name', 'version', 'os_type', 'os_distro', 'architecture', 'auto_disk_config', 'hw_vif_model', 'hypervisor_type', 'vmware_adaptertype', 'vmware_disktype', 'vmware_linked_clone', 'vmware_ostype'] .reject{ |o| cloud_properties[o].nil? }.each do |key| image_properties[key.to_sym] = cloud_properties[key] end image_params[:properties] = image_properties unless image_properties.empty? # If image_location is set in cloud properties, then pass the copy-from parm. Then Glance will fetch it # from the remote location on a background job and store it in its repository. # Otherwise, unpack image to temp directory and upload to Glance the root image. if cloud_properties['image_location'] @logger.info("Using remote image from `#{cloud_properties['image_location']}'...") image_params[:copy_from] = cloud_properties['image_location'] else @logger.info("Extracting stemcell file to `#{tmp_dir}'...") unpack_image(tmp_dir, image_path) image_params[:location] = File.join(tmp_dir, 'root.img') end # Upload image using Glance service @logger.debug("Using image parms: `#{image_params.inspect}'") image = with_openstack { @glance.images.create(image_params) } @logger.info("Creating new image `#{image.id}'...") wait_resource(image, :active) image.id.to_s end rescue => e @logger.error(e) raise e end end end |
#create_vm(agent_id, stemcell_id, resource_pool, network_spec = nil, disk_locality = nil, environment = nil) ⇒ String
Creates an OpenStack server and waits until it’s in running state
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# File 'lib/cloud/openstack/cloud.rb', line 210 def create_vm(agent_id, stemcell_id, resource_pool, network_spec = nil, disk_locality = nil, environment = nil) with_thread_name("create_vm(#{agent_id}, ...)") do @logger.info('Creating new server...') server_name = "vm-#{generate_unique_name}" network_configurator = NetworkConfigurator.new(network_spec) openstack_security_groups = with_openstack { @openstack.security_groups }.collect { |sg| sg.name } security_groups = network_configurator.security_groups(@default_security_groups) security_groups.each do |sg| cloud_error("Security group `#{sg}' not found") unless openstack_security_groups.include?(sg) end @logger.debug("Using security groups: `#{security_groups.join(', ')}'") nics = network_configurator.nics @logger.debug("Using NICs: `#{nics.join(', ')}'") image = with_openstack { @openstack.images.find { |i| i.id == stemcell_id } } cloud_error("Image `#{stemcell_id}' not found") if image.nil? @logger.debug("Using image: `#{stemcell_id}'") flavor = with_openstack { @openstack.flavors.find { |f| f.name == resource_pool['instance_type'] } } cloud_error("Flavor `#{resource_pool['instance_type']}' not found") if flavor.nil? if flavor_has_ephemeral_disk?(flavor) if flavor.ram # Ephemeral disk size should be at least the double of the vm total memory size, as agent will need: # - vm total memory size for swapon, # - the rest for /vcar/vcap/data min_ephemeral_size = (flavor.ram / 1024) * 2 if flavor.ephemeral < min_ephemeral_size cloud_error("Flavor `#{resource_pool['instance_type']}' should have at least #{min_ephemeral_size}Gb " + 'of ephemeral disk') end end end @logger.debug("Using flavor: `#{resource_pool['instance_type']}'") keyname = resource_pool['key_name'] || @default_key_name keypair = with_openstack { @openstack.key_pairs.find { |k| k.name == keyname } } cloud_error("Key-pair `#{keyname}' not found") if keypair.nil? @logger.debug("Using key-pair: `#{keypair.name}' (#{keypair.fingerprint})") use_config_drive = !!@openstack_properties.fetch("config_drive", nil) server_params = { :name => server_name, :image_ref => image.id, :flavor_ref => flavor.id, :key_name => keypair.name, :security_groups => security_groups, :nics => nics, :config_drive => use_config_drive, :user_data => Yajl::Encoder.encode(user_data(server_name, network_spec)) } availability_zone = select_availability_zone(disk_locality, resource_pool['availability_zone']) server_params[:availability_zone] = availability_zone if availability_zone if @boot_from_volume boot_vol_size = flavor.disk * 1024 boot_vol_id = create_boot_disk(boot_vol_size, stemcell_id, availability_zone, @boot_volume_cloud_properties) cloud_error("Failed to create boot volume.") if boot_vol_id.nil? @logger.debug("Using boot volume: `#{boot_vol_id}'") server_params[:block_device_mapping] = [{ :volume_size => "", :volume_id => boot_vol_id, :delete_on_termination => "1", :device_name => "/dev/vda" }] end @logger.debug("Using boot parms: `#{server_params.inspect}'") server = with_openstack { @openstack.servers.create(server_params) } @logger.info("Creating new server `#{server.id}'...") begin wait_resource(server, :active, :state) rescue Bosh::Clouds::CloudError => e @logger.warn("Failed to create server: #{e.}") with_openstack { server.destroy } raise Bosh::Clouds::VMCreationFailed.new(true) end @logger.info("Configuring network for server `#{server.id}'...") network_configurator.configure(@openstack, server) @logger.info("Updating settings for server `#{server.id}'...") settings = initial_agent_settings(server_name, agent_id, network_spec, environment, flavor_has_ephemeral_disk?(flavor)) @registry.update_settings(server.name, settings) server.id.to_s end end |
#delete_disk(disk_id) ⇒ void
This method returns an undefined value.
Deletes an OpenStack volume
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# File 'lib/cloud/openstack/cloud.rb', line 465 def delete_disk(disk_id) with_thread_name("delete_disk(#{disk_id})") do @logger.info("Deleting volume `#{disk_id}'...") volume = with_openstack { @openstack.volumes.get(disk_id) } if volume state = volume.status if state.to_sym != :available cloud_error("Cannot delete volume `#{disk_id}', state is #{state}") end with_openstack { volume.destroy } wait_resource(volume, :deleted, :status, true) else @logger.info("Volume `#{disk_id}' not found. Skipping.") end end end |
#delete_snapshot(snapshot_id) ⇒ void
This method returns an undefined value.
Deletes an OpenStack volume snapshot
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# File 'lib/cloud/openstack/cloud.rb', line 571 def delete_snapshot(snapshot_id) with_thread_name("delete_snapshot(#{snapshot_id})") do @logger.info("Deleting snapshot `#{snapshot_id}'...") snapshot = with_openstack { @openstack.snapshots.get(snapshot_id) } if snapshot state = snapshot.status if state.to_sym != :available cloud_error("Cannot delete snapshot `#{snapshot_id}', state is #{state}") end with_openstack { snapshot.destroy } wait_resource(snapshot, :deleted, :status, true) else @logger.info("Snapshot `#{snapshot_id}' not found. Skipping.") end end end |
#delete_stemcell(stemcell_id) ⇒ void
This method returns an undefined value.
Deletes a stemcell
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# File 'lib/cloud/openstack/cloud.rb', line 180 def delete_stemcell(stemcell_id) with_thread_name("delete_stemcell(#{stemcell_id})") do @logger.info("Deleting stemcell `#{stemcell_id}'...") image = with_openstack { @glance.images.find_by_id(stemcell_id) } if image with_openstack { image.destroy } @logger.info("Stemcell `#{stemcell_id}' is now deleted") else @logger.info("Stemcell `#{stemcell_id}' not found. Skipping.") end end end |
#delete_vm(server_id) ⇒ void
This method returns an undefined value.
Terminates an OpenStack server and waits until it reports as terminated
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# File 'lib/cloud/openstack/cloud.rb', line 315 def delete_vm(server_id) with_thread_name("delete_vm(#{server_id})") do @logger.info("Deleting server `#{server_id}'...") server = with_openstack { @openstack.servers.get(server_id) } if server with_openstack { server.destroy } wait_resource(server, [:terminated, :deleted], :state, true) @logger.info("Deleting settings for server `#{server.id}'...") @registry.delete_settings(server.name) else @logger.info("Server `#{server_id}' not found. Skipping.") end end end |
#detach_disk(server_id, disk_id) ⇒ void
This method returns an undefined value.
Detaches an OpenStack volume from an OpenStack server
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# File 'lib/cloud/openstack/cloud.rb', line 513 def detach_disk(server_id, disk_id) with_thread_name("detach_disk(#{server_id}, #{disk_id})") do server = with_openstack { @openstack.servers.get(server_id) } cloud_error("Server `#{server_id}' not found") unless server volume = with_openstack { @openstack.volumes.get(disk_id) } cloud_error("Volume `#{disk_id}' not found") unless volume detach_volume(server, volume) update_agent_settings(server) do |settings| settings['disks'] ||= {} settings['disks']['persistent'] ||= {} settings['disks']['persistent'].delete(disk_id) end end end |
#ensure_same_availability_zone(disks, default) ⇒ String
this is a private method that is public to make it easier to test
Ensure all supplied availability zones are the same
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# File 'lib/cloud/openstack/cloud.rb', line 636 def ensure_same_availability_zone(disks, default) zones = disks.map { |disk| disk.availability_zone } zones << default if default zones.uniq! cloud_error "can't use multiple availability zones: %s" % zones.join(', ') unless zones.size == 1 || zones.empty? end |
#has_vm?(server_id) ⇒ Boolean
Checks if an OpenStack server exists
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# File 'lib/cloud/openstack/cloud.rb', line 336 def has_vm?(server_id) with_thread_name("has_vm?(#{server_id})") do server = with_openstack { @openstack.servers.get(server_id) } !server.nil? && ![:terminated, :deleted].include?(server.state.downcase.to_sym) end end |
#reboot_vm(server_id) ⇒ void
This method returns an undefined value.
Reboots an OpenStack Server
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# File 'lib/cloud/openstack/cloud.rb', line 348 def reboot_vm(server_id) with_thread_name("reboot_vm(#{server_id})") do server = with_openstack { @openstack.servers.get(server_id) } cloud_error("Server `#{server_id}' not found") unless server soft_reboot(server) end end |
#select_availability_zone(volumes, resource_pool_az) ⇒ String
this is a private method that is public to make it easier to test
Selects the availability zone to use from a list of disk volumes, resource pool availability zone (if any) and the default availability zone.
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# File 'lib/cloud/openstack/cloud.rb', line 618 def select_availability_zone(volumes, resource_pool_az) if volumes && !volumes.empty? disks = volumes.map { |vid| with_openstack { @openstack.volumes.get(vid) } } ensure_same_availability_zone(disks, resource_pool_az) disks.first.availability_zone else resource_pool_az end end |
#set_vm_metadata(server_id, metadata) ⇒ void
This method returns an undefined value.
Set metadata for an OpenStack server
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# File 'lib/cloud/openstack/cloud.rb', line 595 def (server_id, ) with_thread_name("set_vm_metadata(#{server_id}, ...)") do with_openstack do server = @openstack.servers.get(server_id) cloud_error("Server `#{server_id}' not found") unless server .each do |name, value| TagManager.tag(server, name, value) end end end end |
#snapshot_disk(disk_id, metadata) ⇒ String
Takes a snapshot of an OpenStack volume
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# File 'lib/cloud/openstack/cloud.rb', line 538 def snapshot_disk(disk_id, ) with_thread_name("snapshot_disk(#{disk_id})") do volume = with_openstack { @openstack.volumes.get(disk_id) } cloud_error("Volume `#{disk_id}' not found") unless volume devices = [] volume..each { || devices << ['device'] unless .empty? } description = [:deployment, :job, :index].collect { |key| [key] } description << devices.first.split('/').last unless devices.empty? snapshot_params = { :name => "snapshot-#{generate_unique_name}", :description => description.join('/'), :volume_id => volume.id } @logger.info("Creating new snapshot for volume `#{disk_id}'...") snapshot = @openstack.snapshots.new(snapshot_params) with_openstack { snapshot.save(true) } @logger.info("Creating new snapshot `#{snapshot.id}' for volume `#{disk_id}'...") wait_resource(snapshot, :available) snapshot.id.to_s end end |