Support download of virtual disk in ova container
This patch updates download_stream_optimized_image method in image_transfer to support streamOptimized disks in ova container. Change-Id: I693101f8b22eb416c5c0f92957ebb680d3b5bd8b
This commit is contained in:
Vipin Balachandran
parent
b10c7575a6
commit
784ad53fc4
@ -19,6 +19,7 @@ Functions and classes for image transfer between ESX/VC & image service.
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import errno
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import logging
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import tarfile
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from eventlet import event
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from eventlet import greenthread
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@ -28,6 +29,7 @@ from eventlet import timeout
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from oslo_vmware._i18n import _
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from oslo_vmware import constants
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from oslo_vmware import exceptions
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from oslo_vmware import image_util
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from oslo_vmware.objects import datastore as ds_obj
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from oslo_vmware import rw_handles
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from oslo_vmware import vim_util
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@ -496,6 +498,19 @@ def download_stream_optimized_data(context, timeout_secs, read_handle,
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return write_handle.get_imported_vm()
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def _get_vmdk_handle(ova_handle):
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with tarfile.open(mode="r|", fileobj=ova_handle) as tar:
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vmdk_name = None
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for tar_info in tar:
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if tar_info and tar_info.name.endswith(".ovf"):
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vmdk_name = image_util.get_vmdk_name_from_ovf(
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tar.extractfile(tar_info))
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elif vmdk_name and tar_info.name.startswith(vmdk_name):
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# Actual file name is <vmdk_name>.XXXXXXX
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return tar.extractfile(tar_info)
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def download_stream_optimized_image(context, timeout_secs, image_service,
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image_id, **kwargs):
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"""Download stream optimized image from image service to VMware server.
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@ -512,13 +527,24 @@ def download_stream_optimized_image(context, timeout_secs, image_service,
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VimSessionOverLoadException, VimConnectionException,
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ImageTransferException, ValueError
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"""
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LOG.debug("Downloading image: %s from image service as a stream "
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"optimized file.",
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image_id)
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metadata = image_service.show(context, image_id)
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container_format = metadata.get('container_format')
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LOG.debug("Downloading image: %(id)s (container: %(container)s) from image"
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" service as a stream optimized file.",
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{'id': image_id,
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'container': container_format})
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# TODO(vbala) catch specific exceptions raised by download call
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read_iter = image_service.download(context, image_id)
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read_handle = rw_handles.ImageReadHandle(read_iter)
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if container_format == 'ova':
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read_handle = _get_vmdk_handle(read_handle)
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if read_handle is None:
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raise exceptions.ImageTransferException(
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_("No vmdk found in the OVA image %s.") % image_id)
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imported_vm = download_stream_optimized_data(context, timeout_secs,
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read_handle, **kwargs)
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30
oslo_vmware/image_util.py
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30
oslo_vmware/image_util.py
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@ -0,0 +1,30 @@
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# Copyright (c) 2016 VMware, Inc.
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# All Rights Reserved.
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#
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# 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 lxml import etree # nosec (bandit bug 1582516)
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def _get_vmdk_name_from_ovf(root):
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ns_ovf = "{{{0}}}".format(root.nsmap["ovf"])
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disk = root.find("./{0}DiskSection/{0}Disk".format(ns_ovf))
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file_id = disk.get("{0}fileRef".format(ns_ovf))
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f = root.find('./{0}References/{0}File[@{0}id="{1}"]'.format(ns_ovf,
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file_id))
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return f.get("{0}href".format(ns_ovf))
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def get_vmdk_name_from_ovf(ovf_handle):
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"""Get the vmdk name from the given ovf descriptor."""
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return _get_vmdk_name_from_ovf(etree.parse(ovf_handle).getroot())
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136
oslo_vmware/tests/test.ovf
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136
oslo_vmware/tests/test.ovf
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@ -0,0 +1,136 @@
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<?xml version="1.0" encoding="UTF-8"?>
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<!--Generated by VMware ESX Server, User: root, UTC time: 2016-03-28T12:06:49.398495Z-->
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<Envelope vmw:buildId="build-1331820" xmlns="http://schemas.dmtf.org/ovf/envelope/1" xmlns:cim="http://schemas.dmtf.org/wbem/wscim/1/common" xmlns:ovf="http://schemas.dmtf.org/ovf/envelope/1" xmlns:rasd="http://schemas.dmtf.org/wbem/wscim/1/cim-schema/2/CIM_ResourceAllocationSettingData" xmlns:vmw="http://www.vmware.com/schema/ovf" xmlns:vssd="http://schemas.dmtf.org/wbem/wscim/1/cim-schema/2/CIM_VirtualSystemSettingData" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
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<References>
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<File ovf:href="test-file1.iso" ovf:id="file1" ovf:size="419840" />
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<File ovf:href="test-disk1.vmdk" ovf:id="file2" ovf:size="12046336" />
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</References>
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<DiskSection>
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<Info>Virtual disk information</Info>
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<Disk ovf:capacity="1" ovf:capacityAllocationUnits="byte * 2^30" ovf:diskId="vmdisk1" ovf:fileRef="file2" ovf:format="http://www.vmware.com/interfaces/specifications/vmdk.html#streamOptimized" ovf:populatedSize="17498112" />
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</DiskSection>
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<NetworkSection>
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<Info>The list of logical networks</Info>
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<Network ovf:name="dvportgroup-81">
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<Description>The dvportgroup-81 network</Description>
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</Network>
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</NetworkSection>
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<VirtualSystem ovf:id="test">
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<Info>A virtual machine</Info>
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<Name>test</Name>
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<OperatingSystemSection ovf:id="1" vmw:osType="otherGuest">
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<Info>The kind of installed guest operating system</Info>
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</OperatingSystemSection>
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<VirtualHardwareSection>
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<Info>Virtual hardware requirements</Info>
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<System>
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<vssd:ElementName>Virtual Hardware Family</vssd:ElementName>
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<vssd:InstanceID>0</vssd:InstanceID>
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<vssd:VirtualSystemIdentifier>test</vssd:VirtualSystemIdentifier>
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<vssd:VirtualSystemType>vmx-10</vssd:VirtualSystemType>
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</System>
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<Item>
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<rasd:AllocationUnits>hertz * 10^6</rasd:AllocationUnits>
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<rasd:Description>Number of Virtual CPUs</rasd:Description>
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<rasd:ElementName>1 virtual CPU(s)</rasd:ElementName>
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<rasd:InstanceID>1</rasd:InstanceID>
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<rasd:ResourceType>3</rasd:ResourceType>
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<rasd:VirtualQuantity>1</rasd:VirtualQuantity>
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</Item>
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<Item>
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<rasd:AllocationUnits>byte * 2^20</rasd:AllocationUnits>
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<rasd:Description>Memory Size</rasd:Description>
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<rasd:ElementName>512MB of memory</rasd:ElementName>
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<rasd:InstanceID>2</rasd:InstanceID>
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<rasd:ResourceType>4</rasd:ResourceType>
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<rasd:VirtualQuantity>512</rasd:VirtualQuantity>
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</Item>
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<Item>
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<rasd:Address>1</rasd:Address>
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<rasd:Description>IDE Controller</rasd:Description>
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<rasd:ElementName>VirtualIDEController 1</rasd:ElementName>
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<rasd:InstanceID>3</rasd:InstanceID>
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<rasd:ResourceType>5</rasd:ResourceType>
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</Item>
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<Item>
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<rasd:Address>0</rasd:Address>
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<rasd:Description>IDE Controller</rasd:Description>
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<rasd:ElementName>VirtualIDEController 0</rasd:ElementName>
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<rasd:InstanceID>4</rasd:InstanceID>
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<rasd:ResourceType>5</rasd:ResourceType>
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</Item>
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<Item ovf:required="false">
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<rasd:AutomaticAllocation>false</rasd:AutomaticAllocation>
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<rasd:ElementName>VirtualVideoCard</rasd:ElementName>
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<rasd:InstanceID>5</rasd:InstanceID>
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<rasd:ResourceType>24</rasd:ResourceType>
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<vmw:Config ovf:required="false" vmw:key="enable3DSupport" vmw:value="false" />
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<vmw:Config ovf:required="false" vmw:key="enableMPTSupport" vmw:value="false" />
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<vmw:Config ovf:required="false" vmw:key="use3dRenderer" vmw:value="automatic" />
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<vmw:Config ovf:required="false" vmw:key="useAutoDetect" vmw:value="false" />
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<vmw:Config ovf:required="false" vmw:key="videoRamSizeInKB" vmw:value="4096" />
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</Item>
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<Item ovf:required="false">
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<rasd:AutomaticAllocation>false</rasd:AutomaticAllocation>
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<rasd:ElementName>VirtualVMCIDevice</rasd:ElementName>
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<rasd:InstanceID>6</rasd:InstanceID>
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<rasd:ResourceSubType>vmware.vmci</rasd:ResourceSubType>
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<rasd:ResourceType>1</rasd:ResourceType>
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<vmw:Config ovf:required="false" vmw:key="allowUnrestrictedCommunication" vmw:value="false" />
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<vmw:Config ovf:required="false" vmw:key="slotInfo.pciSlotNumber" vmw:value="33" />
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</Item>
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<Item>
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<rasd:AddressOnParent>1</rasd:AddressOnParent>
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<rasd:AutomaticAllocation>true</rasd:AutomaticAllocation>
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<rasd:ElementName>CD-ROM 1</rasd:ElementName>
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<rasd:HostResource>ovf:/file/file1</rasd:HostResource>
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<rasd:InstanceID>7</rasd:InstanceID>
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<rasd:Parent>4</rasd:Parent>
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<rasd:ResourceSubType>vmware.cdrom.iso</rasd:ResourceSubType>
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<rasd:ResourceType>15</rasd:ResourceType>
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</Item>
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<Item>
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<rasd:AddressOnParent>0</rasd:AddressOnParent>
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<rasd:ElementName>Hard Disk 1</rasd:ElementName>
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<rasd:HostResource>ovf:/disk/vmdisk1</rasd:HostResource>
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<rasd:InstanceID>8</rasd:InstanceID>
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<rasd:Parent>4</rasd:Parent>
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<rasd:ResourceType>17</rasd:ResourceType>
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<vmw:Config ovf:required="false" vmw:key="backing.writeThrough" vmw:value="false" />
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</Item>
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<Item>
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<rasd:AddressOnParent>7</rasd:AddressOnParent>
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<rasd:AutomaticAllocation>true</rasd:AutomaticAllocation>
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<rasd:Connection>dvportgroup-81</rasd:Connection>
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<rasd:Description>E1000 ethernet adapter on "dvportgroup-81"</rasd:Description>
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<rasd:ElementName>Ethernet 1</rasd:ElementName>
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<rasd:InstanceID>9</rasd:InstanceID>
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<rasd:ResourceSubType>E1000</rasd:ResourceSubType>
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<rasd:ResourceType>10</rasd:ResourceType>
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<vmw:Config ovf:required="false" vmw:key="slotInfo.pciSlotNumber" vmw:value="32" />
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<vmw:Config ovf:required="false" vmw:key="wakeOnLanEnabled" vmw:value="true" />
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</Item>
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<vmw:Config ovf:required="false" vmw:key="cpuHotAddEnabled" vmw:value="false" />
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<vmw:Config ovf:required="false" vmw:key="cpuHotRemoveEnabled" vmw:value="false" />
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<vmw:Config ovf:required="false" vmw:key="firmware" vmw:value="bios" />
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<vmw:Config ovf:required="false" vmw:key="virtualICH7MPresent" vmw:value="false" />
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<vmw:Config ovf:required="false" vmw:key="virtualSMCPresent" vmw:value="false" />
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<vmw:Config ovf:required="false" vmw:key="memoryHotAddEnabled" vmw:value="false" />
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<vmw:Config ovf:required="false" vmw:key="nestedHVEnabled" vmw:value="false" />
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<vmw:Config ovf:required="false" vmw:key="powerOpInfo.powerOffType" vmw:value="soft" />
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<vmw:Config ovf:required="false" vmw:key="powerOpInfo.resetType" vmw:value="soft" />
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<vmw:Config ovf:required="false" vmw:key="powerOpInfo.standbyAction" vmw:value="checkpoint" />
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<vmw:Config ovf:required="false" vmw:key="powerOpInfo.suspendType" vmw:value="hard" />
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<vmw:Config ovf:required="false" vmw:key="tools.afterPowerOn" vmw:value="true" />
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<vmw:Config ovf:required="false" vmw:key="tools.afterResume" vmw:value="true" />
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<vmw:Config ovf:required="false" vmw:key="tools.beforeGuestShutdown" vmw:value="true" />
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<vmw:Config ovf:required="false" vmw:key="tools.beforeGuestStandby" vmw:value="true" />
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<vmw:Config ovf:required="false" vmw:key="tools.syncTimeWithHost" vmw:value="false" />
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<vmw:Config ovf:required="false" vmw:key="tools.toolsUpgradePolicy" vmw:value="manual" />
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</VirtualHardwareSection>
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<AnnotationSection ovf:required="false">
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<Info>A human-readable annotation</Info>
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<Annotation>foo</Annotation>
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</AnnotationSection>
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</VirtualSystem>
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</Envelope>
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@ -405,59 +405,148 @@ class ImageTransferUtilityTest(base.TestCase):
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fake_VmdkWriteHandle.get_imported_vm.assert_called_once_with()
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@mock.patch('tarfile.open')
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@mock.patch('oslo_vmware.image_util.get_vmdk_name_from_ovf')
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def test_get_vmdk_handle(self, get_vmdk_name_from_ovf, tar_open):
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ovf_info = mock.Mock()
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ovf_info.name = 'test.ovf'
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vmdk_info = mock.Mock()
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vmdk_info.name = 'test.vmdk'
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tar = mock.Mock()
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tar.__iter__ = mock.Mock(return_value=iter([ovf_info, vmdk_info]))
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tar.__enter__ = mock.Mock(return_value=tar)
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tar.__exit__ = mock.Mock(return_value=None)
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tar_open.return_value = tar
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ovf_handle = mock.Mock()
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get_vmdk_name_from_ovf.return_value = 'test.vmdk'
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vmdk_handle = mock.Mock()
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tar.extractfile.side_effect = [ovf_handle, vmdk_handle]
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ova_handle = mock.sentinel.ova_handle
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ret = image_transfer._get_vmdk_handle(ova_handle)
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self.assertEqual(vmdk_handle, ret)
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tar_open.assert_called_once_with(mode="r|", fileobj=ova_handle)
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self.assertEqual([mock.call(ovf_info), mock.call(vmdk_info)],
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tar.extractfile.call_args_list)
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get_vmdk_name_from_ovf.assert_called_once_with(ovf_handle)
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@mock.patch('tarfile.open')
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def test_get_vmdk_handle_with_invalid_ova(self, tar_open):
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tar = mock.Mock()
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tar.__iter__ = mock.Mock(return_value=iter([]))
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tar.__enter__ = mock.Mock(return_value=tar)
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tar.__exit__ = mock.Mock(return_value=None)
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tar_open.return_value = tar
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ova_handle = mock.sentinel.ova_handle
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ret = image_transfer._get_vmdk_handle(ova_handle)
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self.assertIsNone(ret)
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tar_open.assert_called_once_with(mode="r|", fileobj=ova_handle)
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self.assertFalse(tar.extractfile.called)
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@mock.patch('oslo_vmware.rw_handles.ImageReadHandle')
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@mock.patch.object(image_transfer, 'download_stream_optimized_data')
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def test_download_stream_optimized_image(
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self, fake_download_stream_optimized_data,
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fake_rw_handles_ImageReadHandle):
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@mock.patch.object(image_transfer, '_get_vmdk_handle')
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def _test_download_stream_optimized_image(
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self,
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get_vmdk_handle,
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download_stream_optimized_data,
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image_read_handle,
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container=None,
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invalid_ova=False):
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context = mock.Mock()
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session = mock.Mock()
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image_id = mock.Mock()
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timeout_secs = 10
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image_size = 1000
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host = '127.0.0.1'
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port = 443
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resource_pool = 'rp-1'
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vm_folder = 'folder-1'
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vm_import_spec = None
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fake_iter = 'fake_iter'
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image_service = mock.Mock()
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image_service.download = mock.Mock()
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image_service.download.return_value = fake_iter
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if container:
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image_service.show.return_value = {'container_format': container}
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read_iter = mock.sentinel.read_iter
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image_service.download.return_value = read_iter
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read_handle = mock.sentinel.read_handle
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image_read_handle.return_value = read_handle
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fake_ImageReadHandle = 'fake_ImageReadHandle'
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fake_rw_handles_ImageReadHandle.return_value = fake_ImageReadHandle
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if container == 'ova':
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if invalid_ova:
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get_vmdk_handle.return_value = None
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else:
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vmdk_handle = mock.sentinel.vmdk_handle
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get_vmdk_handle.return_value = vmdk_handle
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image_transfer.download_stream_optimized_image(
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context,
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timeout_secs,
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image_service,
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image_id,
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session=session,
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host=host,
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port=port,
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resource_pool=resource_pool,
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vm_folder=vm_folder,
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vm_import_spec=vm_import_spec,
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image_size=image_size)
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imported_vm = mock.sentinel.imported_vm
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download_stream_optimized_data.return_value = imported_vm
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image_service.download.assert_called_once_with(context, image_id)
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context = mock.sentinel.context
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timeout_secs = mock.sentinel.timeout_secs
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image_id = mock.sentinel.image_id
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session = mock.sentinel.session
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image_size = mock.sentinel.image_size
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host = mock.sentinel.host
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port = mock.sentinel.port
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resource_pool = mock.sentinel.port
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vm_folder = mock.sentinel.vm_folder
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vm_import_spec = mock.sentinel.vm_import_spec
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fake_rw_handles_ImageReadHandle.assert_called_once_with(fake_iter)
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if container == 'ova' and invalid_ova:
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self.assertRaises(exceptions.ImageTransferException,
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image_transfer.download_stream_optimized_image,
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context,
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timeout_secs,
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image_service,
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image_id,
|
||||
session=session,
|
||||
host=host,
|
||||
port=port,
|
||||
resource_pool=resource_pool,
|
||||
vm_folder=vm_folder,
|
||||
vm_import_spec=vm_import_spec,
|
||||
image_size=image_size)
|
||||
else:
|
||||
ret = image_transfer.download_stream_optimized_image(
|
||||
context,
|
||||
timeout_secs,
|
||||
image_service,
|
||||
image_id,
|
||||
session=session,
|
||||
host=host,
|
||||
port=port,
|
||||
resource_pool=resource_pool,
|
||||
vm_folder=vm_folder,
|
||||
vm_import_spec=vm_import_spec,
|
||||
image_size=image_size)
|
||||
|
||||
fake_download_stream_optimized_data.assert_called_once_with(
|
||||
context,
|
||||
timeout_secs,
|
||||
fake_ImageReadHandle,
|
||||
session=session,
|
||||
host=host,
|
||||
port=port,
|
||||
resource_pool=resource_pool,
|
||||
vm_folder=vm_folder,
|
||||
vm_import_spec=vm_import_spec,
|
||||
image_size=image_size)
|
||||
self.assertEqual(imported_vm, ret)
|
||||
image_service.show.assert_called_once_with(context, image_id)
|
||||
image_service.download.assert_called_once_with(context, image_id)
|
||||
image_read_handle.assert_called_once_with(read_iter)
|
||||
if container == 'ova':
|
||||
get_vmdk_handle.assert_called_once_with(read_handle)
|
||||
exp_read_handle = vmdk_handle
|
||||
else:
|
||||
exp_read_handle = read_handle
|
||||
download_stream_optimized_data.assert_called_once_with(
|
||||
context,
|
||||
timeout_secs,
|
||||
exp_read_handle,
|
||||
session=session,
|
||||
host=host,
|
||||
port=port,
|
||||
resource_pool=resource_pool,
|
||||
vm_folder=vm_folder,
|
||||
vm_import_spec=vm_import_spec,
|
||||
image_size=image_size)
|
||||
|
||||
def test_download_stream_optimized_image(self):
|
||||
self._test_download_stream_optimized_image()
|
||||
|
||||
def test_download_stream_optimized_image_ova(self):
|
||||
self._test_download_stream_optimized_image(container='ova')
|
||||
|
||||
def test_download_stream_optimized_image_invalid_ova(self):
|
||||
self._test_download_stream_optimized_image(container='ova',
|
||||
invalid_ova=True)
|
||||
|
||||
@mock.patch.object(image_transfer, '_start_transfer')
|
||||
@mock.patch('oslo_vmware.rw_handles.VmdkReadHandle')
|
||||
|
||||
32
oslo_vmware/tests/test_image_util.py
Normal file
32
oslo_vmware/tests/test_image_util.py
Normal file
@ -0,0 +1,32 @@
|
||||
# Copyright (c) 2016 VMware, Inc.
|
||||
# All Rights Reserved.
|
||||
#
|
||||
# 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.
|
||||
|
||||
"""
|
||||
Unit tests for image_util.
|
||||
"""
|
||||
|
||||
import os
|
||||
|
||||
from oslo_vmware import image_util
|
||||
from oslo_vmware.tests import base
|
||||
|
||||
|
||||
class ImageUtilTest(base.TestCase):
|
||||
|
||||
def test_get_vmdk_name_from_ovf(self):
|
||||
ovf_descriptor = os.path.join(os.path.dirname(__file__), 'test.ovf')
|
||||
with open(ovf_descriptor) as f:
|
||||
vmdk_name = image_util.get_vmdk_name_from_ovf(f)
|
||||
self.assertEqual("test-disk1.vmdk", vmdk_name)
|
||||
@ -14,6 +14,7 @@ oslo.utils>=3.5.0 # Apache-2.0
|
||||
# for the routing notifier
|
||||
PyYAML>=3.1.0 # MIT
|
||||
|
||||
lxml>=2.3 # BSD
|
||||
suds-jurko>=0.6 # LGPL
|
||||
eventlet!=0.18.3,>=0.18.2 # MIT
|
||||
requests>=2.10.0 # Apache-2.0
|
||||
|
||||
Loading…
Reference in New Issue
Block a user