Appendix B. Image configuration parameters You can use the following keys with the property option for both the glance image-create and glance image-update commands. Table B.1. Property keys Specific to Key Description Supported values All architecture The CPU architecture that must be supported by the hypervisor. For example, x86_64 , arm , or ppc64 . Run uname -m to get the architecture of a machine. aarch - ARM 64-bit alpha - DEC 64-bit RISC armv7l - ARM Cortex-A7 MPCore cris - Ethernet, Token Ring, AXis-Code Reduced Instruction Set i686 - Intel sixth-generation x86 (P6 micro architecture) ia64 - Itanium lm32 - Lattice Micro32 m68k - Motorola 68000 microblaze - Xilinx 32-bit FPGA (Big Endian) microblazeel - Xilinx 32-bit FPGA (Little Endian) mips - MIPS 32-bit RISC (Big Endian) mipsel - MIPS 32-bit RISC (Little Endian) mips64 - MIPS 64-bit RISC (Big Endian) mips64el - MIPS 64-bit RISC (Little Endian) openrisc - OpenCores RISC parisc - HP Precision Architecture RISC parisc64 - HP Precision Architecture 64-bit RISC ppc - PowerPC 32-bit ppc64 - PowerPC 64-bit ppcemb - PowerPC (Embedded 32-bit) s390 - IBM Enterprise Systems Architecture/390 s390x - S/390 64-bit sh4 - SuperH SH-4 (Little Endian) sh4eb - SuperH SH-4 (Big Endian) sparc - Scalable Processor Architecture, 32-bit sparc64 - Scalable Processor Architecture, 64-bit unicore32 - Microprocessor Research and Development Center RISC Unicore32 x86_64 - 64-bit extension of IA-32 xtensa - Tensilica Xtensa configurable microprocessor core xtensaeb - Tensilica Xtensa configurable microprocessor core (Big Endian) All hypervisor_type The hypervisor type. kvm , vmware All instance_uuid For snapshot images, this is the UUID of the server used to create this image. Valid server UUID All kernel_id The ID of an image stored in the Image Service that should be used as the kernel when booting an AMI-style image. Valid image ID All os_distro The common name of the operating system distribution in lowercase. arch - Arch Linux. Do not use archlinux or org.archlinux . centos - Community Enterprise Operating System. Do not use org.centos or CentOS . debian - Debian. Do not use Debian or org.debian . fedora - Fedora. Do not use Fedora , org.fedora , or org.fedoraproject . freebsd - FreeBSD. Do not use org.freebsd , freeBSD , or FreeBSD . gentoo - Gentoo Linux. Do not use Gentoo or org.gentoo . mandrake - Mandrakelinux (MandrakeSoft) distribution. Do not use mandrakelinux or MandrakeLinux . mandriva - Mandriva Linux. Do not use mandrivalinux . mes - Mandriva Enterprise Server. Do not use mandrivaent or mandrivaES . msdos - Microsoft Disc Operating System. Do not use ms-dos . netbsd - NetBSD. Do not use NetBSD or org.netbsd . netware - Novell NetWare. Do not use novell or NetWare . openbsd - OpenBSD. Do not use OpenBSD or org.openbsd . opensolaris - OpenSolaris. Do not use OpenSolaris or org.opensolaris . opensuse - openSUSE. Do not use suse , SuSE , or org.opensuse . rhel - Red Hat Enterprise Linux. Do not use redhat , RedHat , or com.redhat . sled - SUSE Linux Enterprise Desktop. Do not use com.suse . ubuntu - Ubuntu. Do not use Ubuntu , com.ubuntu , org.ubuntu , or canonical . windows - Microsoft Windows. Do not use com.microsoft.server . All os_version The operating system version as specified by the distributor. Version number (for example, "11.10") All ramdisk_id The ID of image stored in the Image Service that should be used as the ramdisk when booting an AMI-style image. Valid image ID All vm_mode The virtual machine mode. This represents the host/guest ABI (application binary interface) used for the virtual machine. hvm -Fully virtualized. This is the mode used by QEMU and KVM. libvirt API driver hw_cdrom_bus Specifies the type of disk controller to attach CD-ROM devices to. scsi , virtio , ide , or usb . If you specify iscsi , you must set the hw_scsi_model parameter to virtio-scsi . libvirt API driver hw_disk_bus Specifies the type of disk controller to attach disk devices to. scsi , virtio , ide , or usb . Note that if using iscsi , the hw_scsi_model needs to be set to virtio-scsi . libvirt API driver hw_firmware_type Specifies the type of firmware to use to boot the instance. Set to one of the following valid values: bios uefi libvirt API driver hw_machine_type Enables booting an ARM system using the specified machine type. If an ARM image is used and its machine type is not explicitly specified, then Compute uses the virt machine type as the default for ARMv7 and AArch64. Valid types can be viewed by using the virsh capabilities command. The machine types are displayed in the machine tag. libvirt API driver hw_numa_nodes Number of NUMA nodes to expose to the instance (does not override flavor definition). Integer. libvirt API driver hw_numa_cpus.0 Mapping of vCPUs N-M to NUMA node 0 (does not override flavor definition). Comma-separated list of integers. libvirt API driver hw_numa_cpus.1 Mapping of vCPUs N-M to NUMA node 1 (does not override flavor definition). Comma-separated list of integers. libvirt API driver hw_numa_mem.0 Mapping N MB of RAM to NUMA node 0 (does not override flavor definition). Integer libvirt API driver hw_numa_mem.1 Mapping N MB of RAM to NUMA node 1 (does not override flavor definition). Integer libvirt API driver hw_pci_numa_affinity_policy Specifies the NUMA affinity policy for PCI passthrough devices and SR-IOV interfaces. Set to one of the following valid values: required : The Compute service creates an instance that requests a PCI device only when at least one of the NUMA nodes of the instance has affinity with the PCI device. This option provides the best performance. preferred : The Compute service attempts a best effort selection of PCI devices based on NUMA affinity. If affinity is not possible, then the Compute service schedules the instance on a NUMA node that has no affinity with the PCI device. legacy : (Default) The Compute service creates instances that request a PCI device in one of the following cases: The PCI device has affinity with at least one of the NUMA nodes. The PCI devices do not provide information about their NUMA affinities. libvirt API driver hw_qemu_guest_agent Guest agent support. If set to yes , and if qemu-ga is also installed, file systems can be quiesced (frozen) and snapshots created automatically. yes / no libvirt API driver hw_rng_model Adds a random number generator (RNG) device to instances launched with this image. The instance flavor enables the RNG device by default. To disable the RNG device, the cloud administrator must set hw_rng:allowed to False on the flavor. The default entropy source is /dev/random . To specify a hardware RNG device, set rng_dev_path to /dev/hwrng in your Compute environment file. virtio , or other supported device. libvirt API driver hw_scsi_model Enables the use of VirtIO SCSI (virtio-scsi) to provide block device access for compute instances; by default, instances use VirtIO Block (virtio-blk). VirtIO SCSI is a para-virtualized SCSI controller device that provides improved scalability and performance, and supports advanced SCSI hardware. virtio-scsi libvirt API driver hw_video_model The video device driver for the display device to use in virtual machine instances. Set to one of the following values to specify the supported driver to use: virtio - (Default) Recommended Driver for the virtual machine display device, supported by most architectures. The VirtIO GPU driver is included in RHEL-7 and later, and Linux kernel versions 4.4 and later. If an instance kernel has the VirtIO GPU driver, then the instance can use all the VirtIO GPU features. If an instance kernel does not have the VirtIO GPU driver, the VirtIO GPU device gracefully falls back to VGA compatibility mode, which provides a working display for the instance. qxl - Deprecated Driver for Spice or noVNC environments that is no longer maintained. cirrus - Legacy driver, supported only for backward compatibility. Do not use for new instances. vga - Use this driver for IBM Power environments. gop - Not supported for QEMU/KVM environments. xen - Not supported for KVM environments. vmvga - Legacy driver, do not use. none - Use this value to disable emulated graphics or video in virtual GPU (vGPU) instances where the driver is configured separately. libvirt API driver hw_video_ram Maximum RAM for the video image. Used only if a hw_video:ram_max_mb value has been set in the flavor's extra_specs and that value is higher than the value set in hw_video_ram . Integer in MB (for example, 64 ) libvirt API driver hw_watchdog_action Enables a virtual hardware watchdog device that carries out the specified action if the server hangs. The watchdog uses the i6300esb device (emulating a PCI Intel 6300ESB). If hw_watchdog_action is not specified, the watchdog is disabled. disabled-The device is not attached. Allows the user to disable the watchdog for the image, even if it has been enabled using the image's flavor. The default value for this parameter is disabled. reset-Forcefully reset the guest. poweroff-Forcefully power off the guest. pause-Pause the guest. none-Only enable the watchdog; do nothing if the server hangs. libvirt API driver os_command_line The kernel command line to be used by the libvirt driver, instead of the default. For Linux Containers(LXC), the value is used as arguments for initialization. This key is valid only for Amazon kernel, ramdisk, or machine images (aki, ari, or ami). libvirt API driver os_secure_boot Use to create an instance that is protected with UEFI Secure Boot. Set to one of the following valid values: required : Enables Secure Boot for instances launched with this image. The instance is only launched if the Compute service locates a host that can support Secure Boot. If no host is found, the Compute service returns a "No valid host" error. disabled : Disables Secure Boot for instances launched with this image. Disabled by default. optional : Enables Secure Boot for instances launched with this image only when the Compute service determines that the host can support Secure Boot. libvirt API driver and VMware API driver hw_vif_model Specifies the model of virtual network interface device to use. The valid options depend on the configured hypervisor. KVM and QEMU: e1000, ne2k_pci, pcnet, rtl8139, and virtio. VMware: e1000, e1000e, VirtualE1000, VirtualE1000e, VirtualPCNet32, VirtualSriovEthernetCard, and VirtualVmxnet. Xen: e1000, netfront, ne2k_pci, pcnet, and rtl8139. VMware API driver vmware_adaptertype The virtual SCSI or IDE controller used by the hypervisor. lsiLogic , busLogic , or ide VMware API driver vmware_ostype A VMware GuestID which describes the operating system installed in the image. This value is passed to the hypervisor when creating a virtual machine. If not specified, the key defaults to otherGuest . For more information, see Images with VMware vSphere . VMware API driver vmware_image_version Currently unused. 1 XenAPI driver auto_disk_config If true, the root partition on the disk is automatically resized before the instance boots. This value is only taken into account by the Compute service when using a Xen-based hypervisor with the XenAPI driver. The Compute service will only attempt to resize if there is a single partition on the image, and only if the partition is in ext3 or ext4 format. true / false libvirt API driver and XenAPI driver os_type The operating system installed on the image. The XenAPI driver contains logic that takes different actions depending on the value of the os_type parameter of the image. For example, for os_type=windows images, it creates a FAT32-based swap partition instead of a Linux swap partition, and it limits the injected host name to less than 16 characters. linux or windows

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