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', 'use_dhcp']
- BOSH_APP_DIR =
'/var/vcap/bosh'
- FIRST_DEVICE_NAME_LETTER =
'b'
- CONNECT_RETRY_DELAY =
1
- CONNECT_RETRY_COUNT =
5
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.
-
#state_timeout ⇒ Object
readonly
Returns the value of attribute state_timeout.
-
#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.
- #auth_url ⇒ Object
-
#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.
-
#has_disk?(disk_id) ⇒ bool
Check whether an OpenStack volume exists or not.
-
#has_vm?(server_id) ⇒ Boolean
Checks if an OpenStack server exists.
-
#initialize(options) ⇒ Cloud
constructor
Creates a new BOSH OpenStack CPI.
- #is_v3 ⇒ Object
- #not_existing_net_ids(nics) ⇒ Object
-
#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, #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 31 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"] || {} @use_dhcp = @openstack_properties.fetch('use_dhcp', true) unless @openstack_properties['auth_url'].match(/\/tokens$/) if is_v3 @openstack_properties['auth_url'] += '/auth/tokens' else @openstack_properties['auth_url'] += '/tokens' end end @openstack_properties['connection_options'] ||= {} @extra_connection_options = {'instrumentor' => Bosh::OpenStackCloud::ExconLoggingInstrumentor} @openstack_params = openstack_params connect_retry_errors = [Excon::Errors::GatewayTimeout, Excon::Errors::SocketError] @connect_retry_options = { sleep: CONNECT_RETRY_DELAY, tries: CONNECT_RETRY_COUNT, on: connect_retry_errors, } begin Bosh::Common.retryable(@connect_retry_options) do |tries, error| @logger.error("Failed #{tries} times, last failure due to: #{error.inspect}") unless error.nil? @openstack = Fog::Compute.new(@openstack_params) end rescue Excon::Errors::SocketError => e cloud_error(socket_error_msg + "#{e.}") rescue Bosh::Common::RetryCountExceeded, Excon::Errors::ClientError, Excon::Errors::ServerError cloud_error('Unable to connect to the OpenStack Compute API. Check task debug log for details.') end @az_provider = Bosh::OpenStackCloud::AvailabilityZoneProvider.new( @openstack, @openstack_properties["ignore_server_availability_zone"]) begin Bosh::Common.retryable(@connect_retry_options) do |tries, error| @logger.error("Failed #{tries} times, last failure due to: #{error.inspect}") unless error.nil? @glance = Fog::Image.new(@openstack_params) end rescue Excon::Errors::SocketError => e cloud_error(socket_error_msg + "#{e.}") rescue Bosh::Common::RetryCountExceeded, Excon::Errors::ClientError, Excon::Errors::ServerError cloud_error('Unable to connect to the OpenStack Image Service 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 19 def glance @glance end |
#logger ⇒ Object
Returns the value of attribute logger.
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# File 'lib/cloud/openstack/cloud.rb', line 22 def logger @logger end |
#openstack ⇒ Object (readonly)
Returns the value of attribute openstack.
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# File 'lib/cloud/openstack/cloud.rb', line 17 def openstack @openstack end |
#registry ⇒ Object (readonly)
Returns the value of attribute registry.
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# File 'lib/cloud/openstack/cloud.rb', line 18 def registry @registry end |
#state_timeout ⇒ Object (readonly)
Returns the value of attribute state_timeout.
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# File 'lib/cloud/openstack/cloud.rb', line 21 def state_timeout @state_timeout end |
#volume ⇒ Object (readonly)
Returns the value of attribute volume.
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# File 'lib/cloud/openstack/cloud.rb', line 20 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 547 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 |
#auth_url ⇒ Object
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# File 'lib/cloud/openstack/cloud.rb', line 102 def auth_url @openstack_properties['auth_url'] 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 419 def configure_networks(server_id, network_spec) with_thread_name("configure_networks(#{server_id}, ...)") do raise Bosh::Clouds::NotSupported, 'network configuration change requires VM recreation: %s' % [network_spec] 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 476 def create_boot_disk(size, stemcell_id, availability_zone = nil, boot_volume_cloud_properties = {}) volume_service_client = connect_to_volume_service 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) volume_params = { :display_name => "volume-#{generate_unique_name}", :size => (size / 1024.0).ceil, :imageRef => stemcell_id } if availability_zone && @az_provider.constrain_to_server_availability_zone? volume_params[:availability_zone] = availability_zone end 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_service_client.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 434 def create_disk(size, cloud_properties, server_id = nil) volume_service_client = connect_to_volume_service 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) 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 && @az_provider.constrain_to_server_availability_zone? 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_service_client.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 122 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 207 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) network_spec_security_groups = network_configurator.security_groups resource_pool_spec_security_groups = resource_pool_spec_security_groups(resource_pool) if network_spec_security_groups.size > 0 && resource_pool_spec_security_groups.size > 0 cloud_error('Cannot define security groups in both network and resource pool.') end openstack_security_groups = with_openstack { @openstack.security_groups }.collect { |sg| sg.name } network_security_groups = network_configurator.security_groups(@default_security_groups) security_groups_to_be_used = resource_pool_spec_security_groups.size > 0 ? resource_pool_spec_security_groups : network_security_groups security_groups_to_be_used.each do |sg| cloud_error("Security group `#{sg}' not found") unless openstack_security_groups.include?(sg) end @logger.debug("Using security groups: `#{security_groups_to_be_used.join(', ')}'") nics = network_configurator.nics @logger.debug("Using NICs: `#{nics.join(', ')}'") image = nil begin Bosh::Common.retryable(@connect_retry_options) do |tries, error| @logger.error("Unable to connect to OpenStack API to find image: `#{stemcell_id} due to: #{error.inspect}") unless error.nil? 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}'") end rescue Bosh::Common::RetryCountExceeded, Excon::Errors::SocketError => e cloud_error("Unable to connect to OpenStack API to find image: `#{stemcell_id}'") end 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 /var/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 validate_key_exists(keyname) use_config_drive = !!@openstack_properties.fetch("config_drive", nil) if resource_pool['scheduler_hints'] @logger.debug("Using scheduler hints: `#{resource_pool['scheduler_hints']}'") end server_params = { :name => server_name, :image_ref => image.id, :flavor_ref => flavor.id, :key_name => keyname, :security_groups => security_groups_to_be_used, :os_scheduler_hints => resource_pool['scheduler_hints'], :nics => nics, :config_drive => use_config_drive, :user_data => Yajl::Encoder.encode(user_data(server_name, network_spec)) } availability_zone = @az_provider.select(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 => boot_vol_size, :volume_id => boot_vol_id, :delete_on_termination => "1", :device_name => "/dev/vda" }] end @logger.debug("Using boot parms: `#{server_params.inspect}'") begin server = with_openstack { @openstack.servers.create(server_params) } rescue Excon::Errors::Timeout => e @logger.debug(e.backtrace) = "VM creation with name '#{server_params[:name]}' received a timeout. " + "The VM might still have been created by OpenStack.\nOriginal message: " raise Bosh::Clouds::VMCreationFailed.new(false), + e. rescue Excon::Errors::NotFound, Fog::Compute::OpenStack::NotFound => e not_existing_net_ids = not_existing_net_ids(nics) if not_existing_net_ids.empty? raise e else @logger.debug(e.backtrace) = "VM creation with name '#{server_params[:name]}' failed. Following network " + "IDs are not existing or not accessible from this project: '#{not_existing_net_ids.join(",")}'. " + "Make sure you do not use subnet IDs" raise Bosh::Clouds::VMCreationFailed.new(false), end end @logger.info("Creating new server `#{server.id}'...") begin wait_resource(server, :active, :state) @logger.info("Configuring network for server `#{server.id}'...") network_configurator.configure(@openstack, server) rescue => e @logger.warn("Failed to create server: #{e.}") destroy_server(server) raise Bosh::Clouds::VMCreationFailed.new(true), e. end begin @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) rescue => e @logger.warn("Failed to register server: #{e.}") destroy_server(server) raise Bosh::Clouds::VMCreationFailed.new(false), e. end 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 523 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 632 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 177 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 370 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 571 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) } if volume.nil? @logger.info("Disk `#{disk_id}' not found while trying to detach it from vm `#{server_id}'...") else detach_volume(server, volume) end update_agent_settings(server) do |settings| settings['disks'] ||= {} settings['disks']['persistent'] ||= {} settings['disks']['persistent'].delete(disk_id) end end end |
#has_disk?(disk_id) ⇒ bool
Check whether an OpenStack volume exists or not
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# File 'lib/cloud/openstack/cloud.rb', line 508 def has_disk?(disk_id) with_thread_name("has_disk?(#{disk_id})") do @logger.info("Check the presence of disk with id `#{disk_id}'...") volume = with_openstack { @openstack.volumes.get(disk_id) } !volume.nil? end end |
#has_vm?(server_id) ⇒ Boolean
Checks if an OpenStack server exists
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# File 'lib/cloud/openstack/cloud.rb', line 391 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 |
#is_v3 ⇒ Object
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# File 'lib/cloud/openstack/cloud.rb', line 683 def is_v3 @options['openstack']['auth_url'].match(/\/v3(?=\/|$)/) end |
#not_existing_net_ids(nics) ⇒ Object
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# File 'lib/cloud/openstack/cloud.rb', line 349 def not_existing_net_ids(nics) result = [] begin network = connect_to_network_service nics.each do |nic| if nic["net_id"] result << nic["net_id"] unless network.networks.get(nic["net_id"]) end end rescue Bosh::Clouds::CloudError => e @logger.debug(e.backtrace) end result 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 403 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 679 def select_availability_zone(volumes, resource_pool_az) @az_provider.select(volumes, resource_pool_az) 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 656 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 598 def snapshot_disk(disk_id, ) with_thread_name("snapshot_disk(#{disk_id})") do = Hash[.map{|key,value| [key.to_s, value] }] 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 |