422 lines
17 KiB
Python
422 lines
17 KiB
Python
# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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from openstack.common import tag
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from openstack import exceptions
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from openstack.image import _download
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from openstack import resource
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from openstack import utils
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class Image(resource.Resource, tag.TagMixin, _download.DownloadMixin):
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resources_key = 'images'
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base_path = '/images'
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# capabilities
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allow_create = True
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allow_fetch = True
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allow_commit = True
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allow_delete = True
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allow_list = True
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commit_method = 'PATCH'
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commit_jsonpatch = True
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# Store all unknown attributes under 'properties' in the object.
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# Remotely they would be still in the resource root
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_store_unknown_attrs_as_properties = True
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_query_mapping = resource.QueryParameters(
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"id",
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"name",
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"visibility",
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"member_status",
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"owner",
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"status",
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"size_min",
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"size_max",
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"protected",
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"is_hidden",
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"sort_key",
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"sort_dir",
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"sort",
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"tag",
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"created_at",
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"updated_at",
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is_hidden="os_hidden",
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)
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# NOTE: Do not add "self" support here. If you've used Python before,
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# you know that self, while not being a reserved word, has special
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# meaning. You can't call a class initializer with the self name
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# as the first argument and then additionally in kwargs, as we
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# do when we're constructing instances from the JSON body.
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# Resource.list explicitly pops off any "self" keys from bodies so
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# that we don't end up getting the following:
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# TypeError: __init__() got multiple values for argument 'self'
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# The image data (bytes or a file-like object)
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data = None
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# Properties
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#: Hash of the image data used. The Image service uses this value
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#: for verification.
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checksum = resource.Body('checksum')
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#: The container format refers to whether the VM image is in a file
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#: format that also contains metadata about the actual VM.
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#: Container formats include OVF and Amazon AMI. In addition,
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#: a VM image might not have a container format - instead,
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#: the image is just a blob of unstructured data.
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container_format = resource.Body('container_format')
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#: The date and time when the image was created.
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created_at = resource.Body('created_at')
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#: Valid values are: aki, ari, ami, raw, iso, vhd, vdi, qcow2, or vmdk.
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#: The disk format of a VM image is the format of the underlying
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#: disk image. Virtual appliance vendors have different formats
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#: for laying out the information contained in a VM disk image.
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disk_format = resource.Body('disk_format')
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#: This field controls whether an image is displayed in the default
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#: image-list response
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is_hidden = resource.Body('os_hidden', type=bool)
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#: Defines whether the image can be deleted.
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#: *Type: bool*
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is_protected = resource.Body('protected', type=bool)
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#: The algorithm used to compute a secure hash of the image data
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#: for this image
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hash_algo = resource.Body('os_hash_algo')
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#: The hexdigest of the secure hash of the image data computed using
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#: the algorithm whose name is the value of the os_hash_algo property.
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hash_value = resource.Body('os_hash_value')
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#: The minimum disk size in GB that is required to boot the image.
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min_disk = resource.Body('min_disk')
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#: The minimum amount of RAM in MB that is required to boot the image.
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min_ram = resource.Body('min_ram')
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#: The name of the image.
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name = resource.Body('name')
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#: The ID of the owner, or project, of the image.
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owner = resource.Body('owner', alias='owner_id')
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#: The ID of the owner, or project, of the image. (backwards compat)
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owner_id = resource.Body('owner', alias='owner')
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# TODO(mordred) This is not how this works in v2. I mean, it's how it
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# should work, but it's not. We need to fix properties. They work right
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# in shade, so we can draw some logic from there.
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#: Properties, if any, that are associated with the image.
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properties = resource.Body('properties')
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#: The size of the image data, in bytes.
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size = resource.Body('size', type=int)
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#: When present, Glance will attempt to store the disk image data in the
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#: backing store indicated by the value of the header. When not present,
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#: Glance will store the disk image data in the backing store that is
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#: marked default. Valid values are: file, s3, rbd, swift, cinder,
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#: gridfs, sheepdog, or vsphere.
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store = resource.Body('store')
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#: The image status.
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status = resource.Body('status')
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#: The date and time when the image was updated.
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updated_at = resource.Body('updated_at')
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#: The virtual size of the image.
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virtual_size = resource.Body('virtual_size')
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#: The image visibility.
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visibility = resource.Body('visibility')
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#: The URL for the virtual machine image file.
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file = resource.Body('file')
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#: A list of URLs to access the image file in external store.
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#: This list appears if the show_multiple_locations option is set
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#: to true in the Image service's configuration file.
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locations = resource.Body('locations')
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#: The URL to access the image file kept in external store. It appears
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#: when you set the show_image_direct_url option to true in the
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#: Image service's configuration file.
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direct_url = resource.Body('direct_url')
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#: The URL to access the image file kept in external store.
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url = resource.Body('url')
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#: The location metadata.
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metadata = resource.Body('metadata', type=dict)
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# Additional Image Properties
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# https://docs.openstack.org/glance/latest/user/common-image-properties.html
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# http://docs.openstack.org/cli-reference/glance-property-keys.html
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#: The CPU architecture that must be supported by the hypervisor.
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architecture = resource.Body("architecture")
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#: The hypervisor type. Note that qemu is used for both QEMU and
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#: KVM hypervisor types.
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hypervisor_type = resource.Body("hypervisor_type")
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#: Optional property allows created servers to have a different bandwidth
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#: cap than that defined in the network they are attached to.
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instance_type_rxtx_factor = resource.Body(
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"instance_type_rxtx_factor",
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type=float,
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)
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# For snapshot images, this is the UUID of the server used to
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#: create this image.
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instance_uuid = resource.Body('instance_uuid')
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#: Specifies whether the image needs a config drive.
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#: `mandatory` or `optional` (default if property is not used).
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needs_config_drive = resource.Body('img_config_drive')
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#: The ID of an image stored in the Image service that should be used
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#: as the kernel when booting an AMI-style image.
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kernel_id = resource.Body('kernel_id')
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#: The common name of the operating system distribution in lowercase
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os_distro = resource.Body('os_distro')
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#: The operating system version as specified by the distributor.
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os_version = resource.Body('os_version')
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#: Secure Boot is a security standard. When the instance starts,
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#: Secure Boot first examines software such as firmware and OS by
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#: their signature and only allows them to run if the signatures are valid.
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needs_secure_boot = resource.Body('os_secure_boot')
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#: Time for graceful shutdown
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os_shutdown_timeout = resource.Body('os_shutdown_timeout', type=int)
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#: The ID of image stored in the Image service that should be used as
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#: the ramdisk when booting an AMI-style image.
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ramdisk_id = resource.Body('ramdisk_id')
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#: The virtual machine mode. This represents the host/guest ABI
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#: (application binary interface) used for the virtual machine.
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vm_mode = resource.Body('vm_mode')
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#: The preferred number of sockets to expose to the guest.
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hw_cpu_sockets = resource.Body('hw_cpu_sockets', type=int)
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#: The preferred number of cores to expose to the guest.
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hw_cpu_cores = resource.Body('hw_cpu_cores', type=int)
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#: The preferred number of threads to expose to the guest.
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hw_cpu_threads = resource.Body('hw_cpu_threads', type=int)
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#: Specifies the type of disk controller to attach disk devices to.
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#: One of scsi, virtio, uml, xen, ide, or usb.
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hw_disk_bus = resource.Body('hw_disk_bus')
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#: Used to pin the virtual CPUs (vCPUs) of instances to the
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#: host's physical CPU cores (pCPUs).
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hw_cpu_policy = resource.Body('hw_cpu_policy')
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#: Defines how hardware CPU threads in a simultaneous
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#: multithreading-based (SMT) architecture be used.
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hw_cpu_thread_policy = resource.Body('hw_cpu_thread_policy')
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#: Adds a random-number generator device to the image's instances.
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hw_rng_model = resource.Body('hw_rng_model')
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#: For libvirt: Enables booting an ARM system using the specified
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#: machine type.
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#: For Hyper-V: Specifies whether the Hyper-V instance will be a
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#: generation 1 or generation 2 VM.
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hw_machine_type = resource.Body('hw_machine_type')
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#: Enables the use of VirtIO SCSI (virtio-scsi) to provide block device
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#: access for compute instances; by default, instances use VirtIO Block
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#: (virtio-blk).
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hw_scsi_model = resource.Body('hw_scsi_model')
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#: Specifies the count of serial ports that should be provided.
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hw_serial_port_count = resource.Body('hw_serial_port_count', type=int)
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#: The video image driver used.
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hw_video_model = resource.Body('hw_video_model')
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#: Maximum RAM for the video image.
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hw_video_ram = resource.Body('hw_video_ram', type=int)
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#: Enables a virtual hardware watchdog device that carries out the
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#: specified action if the server hangs.
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hw_watchdog_action = resource.Body('hw_watchdog_action')
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#: The kernel command line to be used by the libvirt driver, instead
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#: of the default.
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os_command_line = resource.Body('os_command_line')
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#: Specifies the model of virtual network interface device to use.
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hw_vif_model = resource.Body('hw_vif_model')
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#: If true, this enables the virtio-net multiqueue feature.
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#: In this case, the driver sets the number of queues equal to the
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#: number of guest vCPUs. This makes the network performance scale
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#: across a number of vCPUs.
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is_hw_vif_multiqueue_enabled = resource.Body(
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'hw_vif_multiqueue_enabled',
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type=bool,
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)
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#: If true, enables the BIOS bootmenu.
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is_hw_boot_menu_enabled = resource.Body('hw_boot_menu', type=bool)
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#: The virtual SCSI or IDE controller used by the hypervisor.
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vmware_adaptertype = resource.Body('vmware_adaptertype')
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#: A VMware GuestID which describes the operating system installed
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#: in the image.
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vmware_ostype = resource.Body('vmware_ostype')
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#: If true, the root partition on the disk is automatically resized
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#: before the instance boots.
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has_auto_disk_config = resource.Body('auto_disk_config')
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#: The operating system installed on the image.
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os_type = resource.Body('os_type')
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#: The operating system admin username.
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os_admin_user = resource.Body('os_admin_user')
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#: A string boolean, which if "true", QEMU guest agent will be exposed
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#: to the instance.
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hw_qemu_guest_agent = resource.Body('hw_qemu_guest_agent', type=str)
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#: If true, require quiesce on snapshot via QEMU guest agent.
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os_require_quiesce = resource.Body('os_require_quiesce', type=bool)
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#: The URL for the schema describing a virtual machine image.
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schema = resource.Body('schema')
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def _action(self, session, action):
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"""Call an action on an image ID."""
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url = utils.urljoin(self.base_path, self.id, 'actions', action)
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return session.post(url)
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def deactivate(self, session):
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"""Deactivate an image
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Note: Only administrative users can view image locations
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for deactivated images.
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"""
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self._action(session, "deactivate")
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def reactivate(self, session):
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"""Reactivate an image
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Note: The image must exist in order to be reactivated.
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"""
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self._action(session, "reactivate")
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def upload(self, session, *, data=None):
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"""Upload data into an existing image
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:param session: The session to use for making this request
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:param data: Optional data to be uploaded. If not provided, the
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`~Image.data` attribute will be used
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:returns: The server response
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"""
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if data:
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self.data = data
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url = utils.urljoin(self.base_path, self.id, 'file')
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return session.put(
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url,
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data=self.data,
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headers={"Content-Type": "application/octet-stream", "Accept": ""},
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)
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def stage(self, session, *, data=None):
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"""Stage binary image data into an existing image
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:param session: The session to use for making this request
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:param data: Optional data to be uploaded. If not provided, the
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`~Image.data` attribute will be used
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:returns: The server response
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"""
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if data:
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self.data = data
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url = utils.urljoin(self.base_path, self.id, 'stage')
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response = session.put(
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url,
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data=self.data,
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headers={"Content-Type": "application/octet-stream", "Accept": ""},
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)
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self._translate_response(response, has_body=False)
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return self
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def import_image(
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self,
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session,
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method='glance-direct',
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*,
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uri=None,
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remote_region=None,
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remote_image_id=None,
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remote_service_interface=None,
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store=None,
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stores=None,
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all_stores=None,
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all_stores_must_succeed=None,
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):
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"""Import Image via interoperable image import process"""
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if all_stores and (store or stores):
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raise exceptions.InvalidRequest(
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'all_stores is mutually exclusive with store and stores'
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)
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if store and stores:
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raise exceptions.InvalidRequest(
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'store and stores are mutually exclusive. stores should be '
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'preferred.'
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)
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if store:
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stores = [store]
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else:
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stores = stores or []
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url = utils.urljoin(self.base_path, self.id, 'import')
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data = {'method': {'name': method}}
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if uri:
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if method != 'web-download':
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raise exceptions.InvalidRequest(
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'URI is only supported with method: "web-download"'
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)
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data['method']['uri'] = uri
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if remote_region and remote_image_id:
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if remote_service_interface:
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data['method'][
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'glance_service_interface'
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] = remote_service_interface
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data['method']['glance_region'] = remote_region
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data['method']['glance_image_id'] = remote_image_id
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if all_stores is not None:
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data['all_stores'] = all_stores
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if all_stores_must_succeed is not None:
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data['all_stores_must_succeed'] = all_stores_must_succeed
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for s in stores:
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data.setdefault('stores', [])
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data['stores'].append(s.id)
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headers = {}
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# Backward compat
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if store is not None:
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headers = {'X-Image-Meta-Store': store.id}
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return session.post(url, json=data, headers=headers)
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def _consume_header_attrs(self, attrs):
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self.image_import_methods = []
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_image_import_methods = attrs.pop('OpenStack-image-import-methods', '')
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if _image_import_methods:
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self.image_import_methods = _image_import_methods.split(',')
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return super()._consume_header_attrs(attrs)
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def _prepare_request(
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self,
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requires_id=None,
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prepend_key=False,
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patch=False,
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base_path=None,
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**kwargs,
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):
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request = super(Image, self)._prepare_request(
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requires_id=requires_id,
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prepend_key=prepend_key,
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patch=patch,
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base_path=base_path,
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)
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if patch:
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headers = {
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'Content-Type': 'application/openstack-images-v2.1-json-patch',
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'Accept': '',
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}
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request.headers.update(headers)
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return request
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@classmethod
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def find(cls, session, name_or_id, ignore_missing=True, **params):
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# Do a regular search first (ignoring missing)
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result = super(Image, cls).find(session, name_or_id, True, **params)
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if result:
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return result
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else:
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# Search also in hidden images
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params['is_hidden'] = True
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data = cls.list(session, **params)
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result = cls._get_one_match(name_or_id, data)
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if result is not None:
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return result
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if ignore_missing:
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return None
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raise exceptions.ResourceNotFound(
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"No %s found for %s" % (cls.__name__, name_or_id)
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)
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