294 lines
13 KiB
Python
294 lines
13 KiB
Python
# Licensed under the Apache License, Version 2.0 (the "License"); you may
|
|
# not use this file except in compliance with the License. You may obtain
|
|
# a copy of the License at
|
|
#
|
|
# http://www.apache.org/licenses/LICENSE-2.0
|
|
#
|
|
# Unless required by applicable law or agreed to in writing, software
|
|
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
|
|
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
|
|
# License for the specific language governing permissions and limitations
|
|
# under the License.
|
|
|
|
import hashlib
|
|
|
|
from openstack import _log
|
|
from openstack import exceptions
|
|
from openstack import resource
|
|
from openstack import utils
|
|
|
|
_logger = _log.setup_logging('openstack')
|
|
|
|
|
|
class Image(resource.Resource, resource.TagMixin):
|
|
resources_key = 'images'
|
|
base_path = '/images'
|
|
|
|
# capabilities
|
|
allow_create = True
|
|
allow_fetch = True
|
|
allow_commit = True
|
|
allow_delete = True
|
|
allow_list = True
|
|
commit_method = 'PATCH'
|
|
commit_jsonpatch = True
|
|
|
|
_query_mapping = resource.QueryParameters(
|
|
"name", "visibility",
|
|
"member_status", "owner",
|
|
"status", "size_min",
|
|
"size_max", "sort_key",
|
|
"sort_dir", "sort", "tag",
|
|
"created_at", "updated_at")
|
|
|
|
# NOTE: Do not add "self" support here. If you've used Python before,
|
|
# you know that self, while not being a reserved word, has special
|
|
# meaning. You can't call a class initializer with the self name
|
|
# as the first argument and then additionally in kwargs, as we
|
|
# do when we're constructing instances from the JSON body.
|
|
# Resource.list explicitly pops off any "self" keys from bodies so
|
|
# that we don't end up getting the following:
|
|
# TypeError: __init__() got multiple values for argument 'self'
|
|
|
|
# The image data (bytes or a file-like object)
|
|
data = None
|
|
# Properties
|
|
#: Hash of the image data used. The Image service uses this value
|
|
#: for verification.
|
|
checksum = resource.Body('checksum')
|
|
#: The container format refers to whether the VM image is in a file
|
|
#: format that also contains metadata about the actual VM.
|
|
#: Container formats include OVF and Amazon AMI. In addition,
|
|
#: a VM image might not have a container format - instead,
|
|
#: the image is just a blob of unstructured data.
|
|
container_format = resource.Body('container_format')
|
|
#: The date and time when the image was created.
|
|
created_at = resource.Body('created_at')
|
|
#: Valid values are: aki, ari, ami, raw, iso, vhd, vdi, qcow2, or vmdk.
|
|
#: The disk format of a VM image is the format of the underlying
|
|
#: disk image. Virtual appliance vendors have different formats
|
|
#: for laying out the information contained in a VM disk image.
|
|
disk_format = resource.Body('disk_format')
|
|
#: Defines whether the image can be deleted.
|
|
#: *Type: bool*
|
|
is_protected = resource.Body('protected', type=bool)
|
|
#: The minimum disk size in GB that is required to boot the image.
|
|
min_disk = resource.Body('min_disk')
|
|
#: The minimum amount of RAM in MB that is required to boot the image.
|
|
min_ram = resource.Body('min_ram')
|
|
#: The name of the image.
|
|
name = resource.Body('name')
|
|
#: The ID of the owner, or project, of the image.
|
|
owner_id = resource.Body('owner')
|
|
# TODO(mordred) This is not how this works in v2. I mean, it's how it
|
|
# should work, but it's not. We need to fix properties. They work right
|
|
# in shade, so we can draw some logic from there.
|
|
#: Properties, if any, that are associated with the image.
|
|
properties = resource.Body('properties')
|
|
#: The size of the image data, in bytes.
|
|
size = resource.Body('size', type=int)
|
|
#: When present, Glance will attempt to store the disk image data in the
|
|
#: backing store indicated by the value of the header. When not present,
|
|
#: Glance will store the disk image data in the backing store that is
|
|
#: marked default. Valid values are: file, s3, rbd, swift, cinder,
|
|
#: gridfs, sheepdog, or vsphere.
|
|
store = resource.Body('store')
|
|
#: The image status.
|
|
status = resource.Body('status')
|
|
#: Tags, if any, that are associated with the image.
|
|
tags = resource.Body('tags')
|
|
#: The date and time when the image was updated.
|
|
updated_at = resource.Body('updated_at')
|
|
#: The virtual size of the image.
|
|
virtual_size = resource.Body('virtual_size')
|
|
#: The image visibility.
|
|
visibility = resource.Body('visibility')
|
|
#: The URL for the virtual machine image file.
|
|
file = resource.Body('file')
|
|
#: A list of URLs to access the image file in external store.
|
|
#: This list appears if the show_multiple_locations option is set
|
|
#: to true in the Image service's configuration file.
|
|
locations = resource.Body('locations')
|
|
#: The URL to access the image file kept in external store. It appears
|
|
#: when you set the show_image_direct_url option to true in the
|
|
#: Image service's configuration file.
|
|
direct_url = resource.Body('direct_url')
|
|
#: The URL to access the image file kept in external store.
|
|
url = resource.Body('url')
|
|
#: The location metadata.
|
|
metadata = resource.Body('metadata', type=dict)
|
|
|
|
# Additional Image Properties
|
|
# https://docs.openstack.org/glance/latest/user/common-image-properties.html
|
|
# http://docs.openstack.org/cli-reference/glance-property-keys.html
|
|
#: The CPU architecture that must be supported by the hypervisor.
|
|
architecture = resource.Body("architecture")
|
|
#: The hypervisor type. Note that qemu is used for both QEMU and
|
|
#: KVM hypervisor types.
|
|
hypervisor_type = resource.Body("hypervisor-type")
|
|
#: Optional property allows created servers to have a different bandwidth
|
|
#: cap than that defined in the network they are attached to.
|
|
instance_type_rxtx_factor = resource.Body(
|
|
"instance_type_rxtx_factor", type=float)
|
|
# For snapshot images, this is the UUID of the server used to
|
|
#: create this image.
|
|
instance_uuid = resource.Body('instance_uuid')
|
|
#: Specifies whether the image needs a config drive.
|
|
#: `mandatory` or `optional` (default if property is not used).
|
|
needs_config_drive = resource.Body('img_config_drive')
|
|
#: The ID of an image stored in the Image service that should be used
|
|
#: as the kernel when booting an AMI-style image.
|
|
kernel_id = resource.Body('kernel_id')
|
|
#: The common name of the operating system distribution in lowercase
|
|
os_distro = resource.Body('os_distro')
|
|
#: The operating system version as specified by the distributor.
|
|
os_version = resource.Body('os_version')
|
|
#: Secure Boot is a security standard. When the instance starts,
|
|
#: Secure Boot first examines software such as firmware and OS by
|
|
#: their signature and only allows them to run if the signatures are valid.
|
|
needs_secure_boot = resource.Body('os_secure_boot')
|
|
#: The ID of image stored in the Image service that should be used as
|
|
#: the ramdisk when booting an AMI-style image.
|
|
ramdisk_id = resource.Body('ramdisk_id')
|
|
#: The virtual machine mode. This represents the host/guest ABI
|
|
#: (application binary interface) used for the virtual machine.
|
|
vm_mode = resource.Body('vm_mode')
|
|
#: The preferred number of sockets to expose to the guest.
|
|
hw_cpu_sockets = resource.Body('hw_cpu_sockets', type=int)
|
|
#: The preferred number of cores to expose to the guest.
|
|
hw_cpu_cores = resource.Body('hw_cpu_cores', type=int)
|
|
#: The preferred number of threads to expose to the guest.
|
|
hw_cpu_threads = resource.Body('hw_cpu_threads', type=int)
|
|
#: Specifies the type of disk controller to attach disk devices to.
|
|
#: One of scsi, virtio, uml, xen, ide, or usb.
|
|
hw_disk_bus = resource.Body('hw_disk_bus')
|
|
#: Adds a random-number generator device to the image's instances.
|
|
hw_rng_model = resource.Body('hw_rng_model')
|
|
#: For libvirt: Enables booting an ARM system using the specified
|
|
#: machine type.
|
|
#: For Hyper-V: Specifies whether the Hyper-V instance will be a
|
|
#: generation 1 or generation 2 VM.
|
|
hw_machine_type = resource.Body('hw_machine_type')
|
|
#: Enables the use of VirtIO SCSI (virtio-scsi) to provide block device
|
|
#: access for compute instances; by default, instances use VirtIO Block
|
|
#: (virtio-blk).
|
|
hw_scsi_model = resource.Body('hw_scsi_model')
|
|
#: Specifies the count of serial ports that should be provided.
|
|
hw_serial_port_count = resource.Body('hw_serial_port_count', type=int)
|
|
#: The video image driver used.
|
|
hw_video_model = resource.Body('hw_video_model')
|
|
#: Maximum RAM for the video image.
|
|
hw_video_ram = resource.Body('hw_video_ram', type=int)
|
|
#: Enables a virtual hardware watchdog device that carries out the
|
|
#: specified action if the server hangs.
|
|
hw_watchdog_action = resource.Body('hw_watchdog_action')
|
|
#: The kernel command line to be used by the libvirt driver, instead
|
|
#: of the default.
|
|
os_command_line = resource.Body('os_command_line')
|
|
#: Specifies the model of virtual network interface device to use.
|
|
hw_vif_model = resource.Body('hw_vif_model')
|
|
#: If true, this enables the virtio-net multiqueue feature.
|
|
#: In this case, the driver sets the number of queues equal to the
|
|
#: number of guest vCPUs. This makes the network performance scale
|
|
#: across a number of vCPUs.
|
|
is_hw_vif_multiqueue_enabled = resource.Body(
|
|
'hw_vif_multiqueue_enabled', type=bool)
|
|
#: If true, enables the BIOS bootmenu.
|
|
is_hw_boot_menu_enabled = resource.Body('hw_boot_menu', type=bool)
|
|
#: The virtual SCSI or IDE controller used by the hypervisor.
|
|
vmware_adaptertype = resource.Body('vmware_adaptertype')
|
|
#: A VMware GuestID which describes the operating system installed
|
|
#: in the image.
|
|
vmware_ostype = resource.Body('vmware_ostype')
|
|
#: If true, the root partition on the disk is automatically resized
|
|
#: before the instance boots.
|
|
has_auto_disk_config = resource.Body('auto_disk_config', type=bool)
|
|
#: The operating system installed on the image.
|
|
os_type = resource.Body('os_type')
|
|
#: The operating system admin username.
|
|
os_admin_user = resource.Body('os_admin_user')
|
|
#: If true, QEMU guest agent will be exposed to the instance.
|
|
hw_qemu_guest_agent = resource.Body('hw_qemu_guest_agent', type=bool)
|
|
#: If true, require quiesce on snapshot via QEMU guest agent.
|
|
os_require_quiesce = resource.Body('os_require_quiesce', type=bool)
|
|
|
|
def _action(self, session, action):
|
|
"""Call an action on an image ID."""
|
|
url = utils.urljoin(self.base_path, self.id, 'actions', action)
|
|
return session.post(url,)
|
|
|
|
def deactivate(self, session):
|
|
"""Deactivate an image
|
|
|
|
Note: Only administrative users can view image locations
|
|
for deactivated images.
|
|
"""
|
|
self._action(session, "deactivate")
|
|
|
|
def reactivate(self, session):
|
|
"""Reactivate an image
|
|
|
|
Note: The image must exist in order to be reactivated.
|
|
"""
|
|
self._action(session, "reactivate")
|
|
|
|
def upload(self, session):
|
|
"""Upload data into an existing image"""
|
|
url = utils.urljoin(self.base_path, self.id, 'file')
|
|
session.put(url, data=self.data,
|
|
headers={"Content-Type": "application/octet-stream",
|
|
"Accept": ""})
|
|
|
|
def download(self, session, stream=False):
|
|
"""Download the data contained in an image"""
|
|
# TODO(briancurtin): This method should probably offload the get
|
|
# operation into another thread or something of that nature.
|
|
url = utils.urljoin(self.base_path, self.id, 'file')
|
|
resp = session.get(url, stream=stream)
|
|
|
|
# See the following bug report for details on why the checksum
|
|
# code may sometimes depend on a second GET call.
|
|
# https://storyboard.openstack.org/#!/story/1619675
|
|
checksum = resp.headers.get("Content-MD5")
|
|
|
|
if checksum is None:
|
|
# If we don't receive the Content-MD5 header with the download,
|
|
# make an additional call to get the image details and look at
|
|
# the checksum attribute.
|
|
details = self.fetch(session)
|
|
checksum = details.checksum
|
|
|
|
# if we are returning the repsonse object, ensure that it
|
|
# has the content-md5 header so that the caller doesn't
|
|
# need to jump through the same hoops through which we
|
|
# just jumped.
|
|
if stream:
|
|
resp.headers['content-md5'] = checksum
|
|
return resp
|
|
|
|
if checksum is not None:
|
|
digest = hashlib.md5(resp.content).hexdigest()
|
|
if digest != checksum:
|
|
raise exceptions.InvalidResponse(
|
|
"checksum mismatch: %s != %s" % (checksum, digest))
|
|
else:
|
|
_logger.warn(
|
|
"Unable to verify the integrity of image %s" % (self.id))
|
|
|
|
return resp.content
|
|
|
|
def _prepare_request(self, requires_id=None, prepend_key=False,
|
|
patch=False, base_path=None):
|
|
request = super(Image, self)._prepare_request(requires_id=requires_id,
|
|
prepend_key=prepend_key,
|
|
patch=patch,
|
|
base_path=base_path)
|
|
if patch:
|
|
headers = {
|
|
'Content-Type': 'application/openstack-images-v2.1-json-patch',
|
|
'Accept': ''
|
|
}
|
|
request.headers.update(headers)
|
|
|
|
return request
|