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module Foreman::Model
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class Openstack < ComputeResource
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attr_accessor :tenant
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has_one :key_pair, :foreign_key => :compute_resource_id, :dependent => :destroy
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after_create :setup_key_pair
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after_destroy :destroy_key_pair
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delegate :flavors, :to => :client
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delegate :tenants, :to => :client
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delegate :security_groups, :to => :client
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validates :user, :password, :presence => true
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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.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 test_connection(options = {})
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super
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errors[:user].empty? and errors[:password] and 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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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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boot_vol = volume_client.volumes.create( { :display_name => "#{vm_name}-vol0", :volumeType => "Volume", :size => args[:size_gb], :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 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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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 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])
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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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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_identity_public_endpoint => url }
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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 setup_key_pair
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key = client.key_pairs.create :name => "foreman-#{id}#{Foreman.uuid}"
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KeyPair.create! :name => key.name, :compute_resource_id => self.id, :secret => key.private_key
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rescue => e
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Foreman::Logging.exception("Failed to generate key pair", e)
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destroy_key_pair
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raise
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end
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def destroy_key_pair
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return unless key_pair
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logger.info "removing OpenStack key #{key_pair.name}"
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key = client.key_pairs.get(key_pair.name)
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key.destroy if key
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key_pair.destroy
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true
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rescue => e
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logger.warn "failed to delete key pair from OpenStack, you might need to cleanup manually : #{e}"
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end
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def vm_instance_defaults
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super.merge(:key_name => key_pair.name)
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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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