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module Foreman::Model
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class Openstack < ComputeResource
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include KeyPairComputeResource
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attr_accessor :tenant, :scheduler_hint_value
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delegate :flavors, :to => :client
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delegate :security_groups, :to => :client
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validates :url, :format => { :with => URI::DEFAULT_PARSER.make_regexp }, :presence => true
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validates :user, :password, :presence => true
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validates :allow_external_network, inclusion: { in: [true, false] }
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validates :domain, :format => { :with => /\A\S+\z/ }, :allow_blank => true
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alias_method :available_flavors, :flavors
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SEARCHABLE_ACTIONS = [:server_group_anti_affinity, :server_group_affinity, :raw]
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def provided_attributes
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super.merge({ :ip => :floating_ip_address })
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end
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def self.available?
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Fog::Compute.providers.include?(:openstack)
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end
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def self.model_name
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ComputeResource.model_name
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end
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def image_param_name
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:image_ref
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end
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def capabilities
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[:image]
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end
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def tenant
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attrs[:tenant]
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end
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def tenant=(name)
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attrs[:tenant] = name
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end
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def tenants
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if url =~ /\/v3\/auth\/tokens/
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user_id = identity_client.current_user_id
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identity_client.list_user_projects(user_id).body["projects"].map { |p| Fog::Identity::OpenStack::V3::Project.new(p) }
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else
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client.tenants
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end
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end
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def allow_external_network
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Foreman::Cast.to_bool(attrs[:allow_external_network])
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end
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def allow_external_network=(enabled)
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attrs[:allow_external_network] = Foreman::Cast.to_bool(enabled)
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end
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def test_connection(options = {})
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super
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errors[:user].empty? && errors[:password] && tenants
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rescue => e
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errors[:base] << e.message
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end
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def available_images
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client.images.select { |image| image.status.downcase == 'active' }
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end
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def address_pools
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client.addresses.get_address_pools.map { |p| p["name"] }
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end
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def internal_networks
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return {} if network_client.nil?
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allow_external_network ? network_client.networks.all : network_client.networks.all.select { |net| !net.router_external }
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end
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def image_size(image_id)
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client.get_image_details(image_id).body['image']['minDisk']
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end
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def boot_from_volume(args = {})
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vm_name = args[:name]
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args[:size_gb] = image_size(args[:image_ref]) if args[:size_gb].blank?
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volume_name = "#{vm_name}-vol0"
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boot_vol = volume_client.volumes.create(
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:name => volume_name, # Name attribute in OpenStack volumes API v2
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:display_name => volume_name, # Name attribute in API v1
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:volumeType => "Volume",
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:size => args[:size_gb],
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:imageRef => args[:image_ref])
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@boot_vol_id = boot_vol.id.tr('"', '')
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boot_vol.wait_for { status == 'available' }
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args[:block_device_mapping_v2] = [ {
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:source_type => "volume",
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:destination_type => "volume",
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:delete_on_termination => "1",
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:uuid => @boot_vol_id,
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:boot_index => "0"
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} ]
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end
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def possible_scheduler_hints
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SEARCHABLE_ACTIONS.collect{|x| x.to_s.camelize }
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end
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def get_server_groups(policy)
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server_groups = client.server_groups.select{ |sg| sg.policies.include?(policy) }
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errors.add(:scheduler_hint_value, _("No matching server groups found")) if server_groups.empty?
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server_groups
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end
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def format_scheduler_hint_filter(args = {})
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raise ::Foreman::Exception.new(N_('Hint data is missing')) if args[:scheduler_hint_data].nil?
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name = args.delete(:scheduler_hint_filter).underscore.to_sym
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data = args.delete(:scheduler_hint_data)
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filter = {}
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case name
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when :server_group_anti_affinity, :server_group_affinity
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filter[:group] = data[:scheduler_hint_value]
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when :raw
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filter = JSON.parse(data[:scheduler_hint_value])
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end
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args[:os_scheduler_hints] = filter
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end
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def create_vm(args = {})
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boot_from_volume(args) if Foreman::Cast.to_bool(args[:boot_from_volume])
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network = args.delete(:network)
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# fix internal network format for fog.
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args[:nics].delete_if(&:blank?)
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args[:nics].map! {|nic| { 'net_id' => nic } }
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format_scheduler_hint_filter(args) if args[:scheduler_hint_filter].present?
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vm = super(args)
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if network.present?
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address = allocate_address(network)
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assign_floating_ip(address, vm)
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end
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vm
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rescue => e
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message = JSON.parse(e.response.body)['badRequest']['message'] rescue (e.to_s)
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logger.warn "failed to create vm: #{message}"
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destroy_vm vm.id if vm
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volume_client.volumes.delete(@boot_vol_id) if args[:boot_from_volume]
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raise message
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end
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def vm_ready(vm)
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vm.wait_for { self.ready? || self.failed? }
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raise Foreman::Exception.new(N_("Failed to deploy vm %{name}, fault: %{e}"), { :name => vm.name, :e => vm.fault['message'] }) if vm.failed?
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end
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def destroy_vm(uuid)
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vm = find_vm_by_uuid(uuid)
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floating_ips = vm.all_addresses
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floating_ips.each do |address|
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client.disassociate_address(uuid, address['ip']) rescue true
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client.release_address(address['id']) rescue true
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end
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super(uuid)
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rescue ActiveRecord::RecordNotFound
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# if the VM does not exists, we don't really care.
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true
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end
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def console(uuid)
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vm = find_vm_by_uuid(uuid)
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vm.console.body.merge({'timestamp' => Time.now.utc})
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end
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def associated_host(vm)
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associate_by("ip", [vm.floating_ip_address, vm.private_ip_address].compact)
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end
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def flavor_name(flavor_ref)
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client.flavors.get(flavor_ref).try(:name)
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end
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def self.provider_friendly_name
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"OpenStack"
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end
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def user_data_supported?
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true
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end
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def zones
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@zones ||= (client.list_zones.body["availabilityZoneInfo"].try(:map){|i| i["zoneName"]} || [])
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end
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def normalize_vm_attrs(vm_attrs)
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normalized = slice_vm_attributes(vm_attrs, ['availability_zone', 'tenant_id', 'scheduler_hint_filter'])
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normalized['flavor_id'] = vm_attrs['flavor_ref']
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normalized['flavor_name'] = self.flavors.detect { |t| t.id == normalized['flavor_id'] }.try(:name)
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normalized['tenant_name'] = self.tenants.detect { |t| t.id == normalized['tenant_id'] }.try(:name)
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security_group = vm_attrs['security_groups']
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normalized['security_group_name'] = security_group.empty? ? nil : security_group
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normalized['security_group_id'] = self.security_groups.detect { |t| t.name == security_group }.try(:id)
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floating_ip_network = vm_attrs['network']
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normalized['floating_ip_network'] = floating_ip_network.empty? ? nil : floating_ip_network
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normalized['boot_from_volume'] = to_bool(vm_attrs['boot_from_volume'])
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boot_volume_size = memory_gb_to_bytes(vm_attrs['size_gb'])
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if (boot_volume_size == 0)
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normalized['boot_volume_size'] = nil
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else
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normalized['boot_volume_size'] = boot_volume_size.to_s
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end
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nics_ids = vm_attrs['nics'] || {}
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nics_ids = nics_ids.select { |nic_id| nic_id != '' }
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normalized['interfaces_attributes'] = nics_ids.map.with_index do |nic_id, idx|
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[idx.to_s, {
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'id' => nic_id,
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'name' => self.internal_networks.detect { |n| n.id == nic_id }.try(:name)
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}]
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end.to_h
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normalized['image_id'] = vm_attrs['image_ref']
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normalized['image_name'] = self.images.find_by(:uuid => normalized['image_id']).try(:name)
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normalized
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end
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private
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def fog_credentials
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{ :provider => :openstack,
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:openstack_api_key => password,
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:openstack_username => user,
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:openstack_auth_url => url,
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:openstack_tenant => tenant,
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:openstack_identity_endpoint => url,
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:openstack_user_domain => domain,
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:openstack_endpoint_type => "publicURL"
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}.tap do |h|
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if tenant
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h.merge!(:openstack_domain_name => domain,
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:openstack_project_name => tenant)
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end
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end
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end
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def identity_client
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@identity_client ||= ::Fog::Identity.new(fog_credentials.except!(:openstack_identity_endpoint))
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end
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def client
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@client ||= ::Fog::Compute.new(fog_credentials)
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end
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def network_client
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@network_client ||= ::Fog::Network.new(fog_credentials)
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rescue
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@network_client = nil
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end
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def volume_client
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@volume_client ||= ::Fog::Volume.new(fog_credentials)
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end
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def vm_instance_defaults
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super.merge(:key_name => key_pair.try(:name), :metadata => {})
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end
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def assign_floating_ip(address, vm)
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return unless address.status == 200
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# we can't assign floating IP's before we get a private IP.
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vm.wait_for { !addresses.empty? }
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floating_ip = address.body["floating_ip"]["ip"].to_s
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logger.debug("assigning #{floating_ip} to #{vm.name}")
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begin
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vm.associate_address(floating_ip)
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rescue => e
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logger.warn "failed to assign #{floating_ip} to #{vm.name}: #{e}"
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client.disassociate_address(floating_ip)
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end
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end
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def allocate_address(network)
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logger.debug "requesting floating ip address for #{network}"
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client.allocate_address(network)
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rescue => e
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logger.warn "failed to allocate ip address for network #{network}: #{e}"
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raise e
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end
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end
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end
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