mirror of
https://github.com/xcp-ng/xenadmin.git
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482 lines
22 KiB
C#
482 lines
22 KiB
C#
/* Copyright (c) Citrix Systems, Inc.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms,
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* with or without modification, are permitted provided
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* that the following conditions are met:
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*
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* * Redistributions of source code must retain the above
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* copyright notice, this list of conditions and the
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* following disclaimer.
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the
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* following disclaimer in the documentation and/or other
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* materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
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* CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
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* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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using System;
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using System.Collections.Generic;
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using System.IO;
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using System.Text;
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using System.Threading;
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using DiscUtils;
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using XenOvf;
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using XenOvf.Definitions;
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using XenOvf.Utilities;
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using XenAPI;
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using System.Linq;
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namespace XenOvfTransport
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{
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public class Export : XenOvfTransportBase
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{
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private static readonly log4net.ILog log = log4net.LogManager.GetLogger(System.Reflection.MethodBase.GetCurrentMethod().DeclaringType);
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private const long KB = 1024;
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private const long MB = (KB * 1024);
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private const long GB = (MB * 1024);
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private const long MEMMIN = 128 * MB;
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private List<XenRef<VDI>> _vdiRefs = new List<XenRef<VDI>>();
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public Export(Uri xenserver, Session session)
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: base(xenserver, session)
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{
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}
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public EnvelopeType Process(string targetPath, string ovfname, string[] vmUuid)
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{
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List<EnvelopeType> envList = new List<EnvelopeType>();
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foreach (string vmuuid in vmUuid)
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envList.Add(_export(XenSession, targetPath, ovfname, vmuuid));
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EnvelopeType ovfEnv = OVF.Merge(envList, ovfname);
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if (AutoSave)
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{
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string ovffilename = Path.Combine(targetPath, string.Format(@"{0}.ovf", ovfname));
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OVF.SaveAs(ovfEnv, ovffilename);
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}
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OnUpdate(new XenOvfTransportEventArgs(TransportStep.Export, Messages.COMPLETED_EXPORT));
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return ovfEnv;
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}
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public bool AutoSave { get; set; }
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public bool ShouldVerifyDisks { get; set; }
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public bool MetaDataOnly { get; set; }
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private EnvelopeType _export(Session xenSession, string targetPath, string ovfname, string vmUuid)
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{
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EnvelopeType ovfEnv;
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try
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{
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log.DebugFormat("Export: {0}, {1}", ovfname, targetPath);
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#region GET VM Reference
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XenRef<VM> vmRef = null;
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try
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{
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vmRef = VM.get_by_uuid(xenSession, vmUuid);
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}
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catch
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{
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log.WarnFormat("VM not found as uuid: {0}, trying as name-label", vmUuid);
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vmRef = null;
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}
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if (vmRef == null)
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{
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try
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{
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List<XenRef<VM>> vmRefs = VM.get_by_name_label(xenSession, vmUuid);
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vmRef = vmRefs[0];
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log.DebugFormat("{0} VM(s) found by label {1}", vmRefs.Count, vmUuid);
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if (vmRefs.Count > 1)
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log.WarnFormat("Only exporting FIRST VM with name {0}", vmUuid);
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}
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catch
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{
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log.ErrorFormat("Failed to find VM {0}.", vmUuid);
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throw;
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}
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}
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#endregion
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VM vm = VM.get_record(xenSession, vmRef);
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if (vm.power_state != vm_power_state.Halted && vm.power_state != vm_power_state.Suspended)
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{
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var message = string.Format(Messages.ERROR_VM_NOT_HALTED, vm.Name());
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OnUpdate(new XenOvfTransportEventArgs(TransportStep.Export, message));
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log.Info($"VM {vm.Name()} ({vmRef.opaque_ref}) is neither halted nor suspended.");
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throw new Exception(message);
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}
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#region CREATE ENVELOPE / ADD VIRTUAL SYSTEM
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ovfEnv = OVF.CreateEnvelope(ovfname);
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string vsId = OVF.AddVirtualSystem(ovfEnv, vm.name_label);
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string vhsId = OVF.AddVirtualHardwareSection(ovfEnv, vsId);
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#endregion
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#region TRY TO ID OS
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XenRef<VM_guest_metrics> vmgmRef = VM.get_guest_metrics(xenSession, vmRef);
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if (!vmgmRef.opaque_ref.ToUpper().Contains("NULL"))
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{
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VM_guest_metrics vmgm = VM_guest_metrics.get_record(xenSession, vmgmRef);
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//VM_metrics vmm = VM_metrics.get_record(xenSession, VM.get_metrics(xenSession, vmRef));
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if (vmgm.os_version != null && vmgm.os_version.Count > 0)
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{
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foreach (string key in vmgm.os_version.Keys)
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{
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if (key.ToLower().Equals("name"))
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{
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ushort osid = ValueMaps.OperatingSystem(vmgm.os_version[key]);
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if (osid == 0xFFFF) { osid = 1; } // change to OTHER since search failed.
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string version = OVF.GetContentMessage("SECTION_OPERATINGSYSTEM_INFO");
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if (vmgm.os_version.ContainsKey("major") &&
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vmgm.os_version.ContainsKey("minor"))
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{
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version = string.Format(OVF.GetContentMessage("SECTION_OPERATINGSYSTEM_VERSION"), vmgm.os_version["major"], vmgm.os_version["minor"]);
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}
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string osname = (vmgm.os_version[key].Split(new [] { '|' }))[0];
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OVF.UpdateOperatingSystemSection(ovfEnv, vsId, osname, version, osid);
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break;
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}
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}
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}
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}
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#endregion
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#region ADD VSSD
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// IS PV'd? for VirtualSystemType identification.
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string typeformat = @"{0}-{1}-{2}";
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string vmtype = string.Format(typeformat, "hvm", "3.0", "unknown");
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if (vm.HVM_boot_policy != null && vm.HVM_boot_policy == Properties.Settings.Default.xenBootOptions)
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{
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if (!string.IsNullOrEmpty(vm.domarch))
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{
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vmtype = string.Format(typeformat, vm.domarch, "3.0", "unknown");
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}
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}
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else
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{
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if (!string.IsNullOrEmpty(vm.domarch))
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{
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vmtype = string.Format(typeformat, "xen", "3.0", vm.domarch);
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}
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else
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{
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vmtype = string.Format(typeformat, "xen", "3.0", "unknown");
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}
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}
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OVF.AddVirtualSystemSettingData(ovfEnv, vsId, vhsId, vm.name_label, OVF.GetContentMessage("VSSD_CAPTION"), vm.name_description, Guid.NewGuid().ToString(), vmtype);
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#endregion
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#region ADD CPUS
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OVF.SetCPUs(ovfEnv, vsId, (ulong)vm.VCPUs_max);
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#endregion
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#region ADD MEMORY
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OVF.SetMemory(ovfEnv, vsId, (ulong)(vm.memory_dynamic_max / MB), "MB");
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#endregion
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#region ADD NETWORKS
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List<XenRef<VIF>> vifs = VM.get_VIFs(xenSession, vmRef);
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foreach (XenRef<VIF> vifref in vifs)
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{
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VIF vif = VIF.get_record(xenSession, vifref);
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XenRef<Network> netRef = vif.network;
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Network net = Network.get_record(xenSession, netRef);
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// Why is the following call reference using name_label where other references use uuid?
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OVF.AddNetwork(ovfEnv, vsId, net.uuid, net.name_label, net.name_description, vif.MAC);
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}
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#endregion
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#region SET STARTUP OPTIONS
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OVF.AddStartupSection(ovfEnv, true, vsId, vm.order, vm.start_delay, vm.shutdown_delay);
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#endregion
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#region GET AND EXPORT DISKS using iSCSI
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List<XenRef<VBD>> vbdlist = VM.get_VBDs(xenSession, vmRef);
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_vdiRefs.Clear();
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int diskIndex = 0;
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foreach (XenRef<VBD> vbdref in vbdlist)
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{
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VBD vbd = VBD.get_record(xenSession, vbdref);
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if (vbd.type == vbd_type.CD)
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{
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string rasdid = OVF.AddCDROM(ovfEnv, vsId, vbd.uuid, OVF.GetContentMessage("RASD_16_CAPTION"), OVF.GetContentMessage("RASD_16_DESCRIPTION"));
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OVF.SetTargetDeviceInRASD(ovfEnv, vsId, rasdid, vbd.userdevice);
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}
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else
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{
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try
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{
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XenRef<VDI> vdi = VBD.get_VDI(xenSession, vbdref);
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if (vdi != null && !string.IsNullOrEmpty(vdi.opaque_ref) && !(vdi.opaque_ref.ToLower().Contains("null")))
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{
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_vdiRefs.Add(vdi);
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VDI lVdi = VDI.get_record(xenSession, vdi);
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string destinationFilename = Path.Combine(targetPath, string.Format(@"{0}.vhd", lVdi.uuid));
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string diskid = Guid.NewGuid().ToString();
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string diskName = lVdi.name_label;
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if (diskName == null)
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diskName = string.Format("{0} {1}", OVF.GetContentMessage("RASD_19_CAPTION"), diskIndex);
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OVF.AddDisk(ovfEnv, vsId, diskid, Path.GetFileName(destinationFilename), vbd.bootable, diskName, lVdi.name_description, (ulong)lVdi.physical_utilisation, (ulong)lVdi.virtual_size);
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OVF.SetTargetDeviceInRASD(ovfEnv, vsId, diskid, vbd.userdevice);
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diskIndex++;
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}
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}
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catch (Exception ex)
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{
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log.Info($"Export: VBD {vbdref} Skipped.", ex);
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}
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}
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}
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#endregion
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if (!MetaDataOnly)
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{
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_copydisks(ovfEnv, ovfname, targetPath);
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}
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#region ADD XEN SPECIFICS
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var _params = vm.HVM_boot_params;
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if (_params != null && _params.Count > 0)
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{
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OVF.AddOtherSystemSettingData(ovfEnv, vsId, "HVM_boot_params", string.Join(";", _params.Select(kvp => string.Format("{0}={1}", kvp.Key, kvp.Value))), OVF.GetContentMessage("OTHER_SYSTEM_SETTING_DESCRIPTION_6"));
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}
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if (!string.IsNullOrEmpty(vm.HVM_boot_policy))
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{
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OVF.AddOtherSystemSettingData(ovfEnv, vsId, "HVM_boot_policy", vm.HVM_boot_policy, OVF.GetContentMessage("OTHER_SYSTEM_SETTING_DESCRIPTION_2"));
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}
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if (vm.HVM_shadow_multiplier != 1.0)
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{
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OVF.AddOtherSystemSettingData(ovfEnv, vsId, "HVM_shadow_multiplier", Convert.ToString(vm.HVM_shadow_multiplier), OVF.GetContentMessage("OTHER_SYSTEM_SETTING_DESCRIPTION_1"));
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}
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var platform = vm.platform;
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if (platform != null && platform.Count > 0)
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{
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OVF.AddOtherSystemSettingData(ovfEnv, vsId, "platform", string.Join(";", platform.Select(kvp => string.Format("{0}={1}", kvp.Key, kvp.Value))), OVF.GetContentMessage("OTHER_SYSTEM_SETTING_DESCRIPTION_3"));
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}
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var nvram = vm.NVRAM;
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if (nvram != null && nvram.Count > 0)
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{
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OVF.AddOtherSystemSettingData(ovfEnv, vsId, "NVRAM", string.Join(";", nvram.Select(kvp => string.Format("{0}={1}", kvp.Key, kvp.Value))), OVF.GetContentMessage("OTHER_SYSTEM_SETTING_DESCRIPTION_7"));
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}
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if (!string.IsNullOrEmpty(vm.PV_args))
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{
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OVF.AddOtherSystemSettingData(ovfEnv, vsId, "PV_args", vm.PV_args, OVF.GetContentMessage("OTHER_SYSTEM_SETTING_DESCRIPTION_1"));
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}
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if (!string.IsNullOrEmpty(vm.PV_bootloader))
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{
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OVF.AddOtherSystemSettingData(ovfEnv, vsId, "PV_bootloader", vm.PV_bootloader, OVF.GetContentMessage("OTHER_SYSTEM_SETTING_DESCRIPTION_1"));
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}
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if (!string.IsNullOrEmpty(vm.PV_bootloader_args))
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{
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OVF.AddOtherSystemSettingData(ovfEnv, vsId, "PV_bootloader_args", vm.PV_bootloader_args, OVF.GetContentMessage("OTHER_SYSTEM_SETTING_DESCRIPTION_1"));
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}
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if (!string.IsNullOrEmpty(vm.PV_kernel))
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{
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OVF.AddOtherSystemSettingData(ovfEnv, vsId, "PV_kernel", vm.PV_kernel, OVF.GetContentMessage("OTHER_SYSTEM_SETTING_DESCRIPTION_1"));
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}
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if (!string.IsNullOrEmpty(vm.PV_legacy_args))
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{
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OVF.AddOtherSystemSettingData(ovfEnv, vsId, "PV_legacy_args", vm.PV_legacy_args, OVF.GetContentMessage("OTHER_SYSTEM_SETTING_DESCRIPTION_1"));
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}
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if (!string.IsNullOrEmpty(vm.PV_ramdisk))
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{
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OVF.AddOtherSystemSettingData(ovfEnv, vsId, "PV_ramdisk", vm.PV_ramdisk, OVF.GetContentMessage("OTHER_SYSTEM_SETTING_DESCRIPTION_1"));
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}
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if (vm.hardware_platform_version >= 0)
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{
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OVF.AddOtherSystemSettingData(ovfEnv, vsId, "hardware_platform_version", vm.hardware_platform_version.ToString(), OVF.GetContentMessage("OTHER_SYSTEM_SETTING_DESCRIPTION_1"));
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}
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if (!string.IsNullOrEmpty(vm.recommendations))
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{
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OVF.AddOtherSystemSettingData(ovfEnv, vsId, "recommendations", vm.recommendations.ToString(), OVF.GetContentMessage("OTHER_SYSTEM_SETTING_DESCRIPTION_1"));
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}
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if (vm.has_vendor_device)
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{
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//serialise it with a different name to avoid it being deserialised automatically and getting the wrong type
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OVF.AddOtherSystemSettingData(ovfEnv, vsId, "VM_has_vendor_device", vm.has_vendor_device.ToString(), OVF.GetContentMessage("OTHER_SYSTEM_SETTING_DESCRIPTION_1"));
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}
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foreach(XenRef<VGPU> gpuRef in vm.VGPUs)
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{
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VGPU vgpu = VGPU.get_record(xenSession, gpuRef);
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if (vgpu != null)
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{
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var vgpuGroup = GPU_group.get_record(xenSession, vgpu.GPU_group);
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var vgpuType = VGPU_type.get_record(xenSession, vgpu.type);
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var sb = new StringBuilder();
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sb.AppendFormat("GPU_types={{{0}}};",
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vgpuGroup.GPU_types == null || vgpuGroup.GPU_types.Length < 1
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? ""
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: string.Join(";", vgpuGroup.GPU_types));
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sb.AppendFormat("VGPU_type_vendor_name={0};", vgpuType.vendor_name ?? "");
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sb.AppendFormat("VGPU_type_model_name={0};", vgpuType.model_name ?? "");
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OVF.AddOtherSystemSettingData(ovfEnv, vsId, "vgpu", sb.ToString(), OVF.GetContentMessage("OTHER_SYSTEM_SETTING_DESCRIPTION_4"), true);
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}
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}
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string pvsSiteUuid = string.Empty;
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var allProxies = xenSession.Connection.Cache.PVS_proxies;
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foreach (var p in allProxies.Where(p => p != null && p.VIF != null))
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{
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var vif = xenSession.Connection.Resolve(p.VIF);
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if (vif != null)
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{
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var vmFromVif = xenSession.Connection.Resolve(vif.VM);
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if (vmFromVif != null && vmFromVif.uuid == vm.uuid)
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{
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var pvsSite = xenSession.Connection.Resolve(p.site);
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if (pvsSite != null)
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{
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pvsSiteUuid = pvsSite.uuid;
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}
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break;
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}
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}
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}
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if (!string.IsNullOrEmpty(pvsSiteUuid))
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{
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var sb = new StringBuilder();
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sb.AppendFormat("PVS_SITE={{{0}}};", string.Format("uuid={0}", pvsSiteUuid));
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OVF.AddOtherSystemSettingData(ovfEnv, vsId, "pvssite", sb.ToString(), OVF.GetContentMessage("OTHER_SYSTEM_SETTING_DESCRIPTION_5"));
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}
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#endregion
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OVF.FinalizeEnvelope(ovfEnv);
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}
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catch (Exception ex)
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{
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if (ex is OperationCanceledException)
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throw;
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log.Error("Export failed", ex);
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throw new Exception(Messages.ERROR_EXPORT_FAILED, ex);
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}
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return ovfEnv;
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}
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private void _copydisks(EnvelopeType ovfEnv, string label, string targetPath)
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{
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m_iscsi = new iSCSI
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{
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UpdateHandler = iscsi_UpdateHandler,
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Cancel = Cancel//in case it has already been cancelled
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};
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m_iscsi.ConfigureTvmNetwork(m_networkUuid, m_isTvmIpStatic, m_tvmIpAddress, m_tvmSubnetMask, m_tvmGateway);
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try
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{
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foreach (XenRef<VDI> vdiuuid in _vdiRefs)
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{
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string uuid = "";
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string destinationFilename = "";
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try
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{
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uuid = VDI.get_uuid(XenSession, vdiuuid);
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destinationFilename = Path.Combine(targetPath, string.Format(@"{0}.vhd", uuid));
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if (File.Exists(destinationFilename))
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{
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destinationFilename = Path.Combine(targetPath, string.Format(@"{0}_{1}.vhd", uuid, Thread.CurrentThread.ManagedThreadId));
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OVF.UpdateFilename(ovfEnv, string.Format(@"{0}.vhd", uuid), string.Format(@"{0}_{1}.vhd", uuid, Thread.CurrentThread.ManagedThreadId));
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log.InfoFormat("{0}: VHD Name collision, renamed {1}.vhd to {1}_{2}.vhd",
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label, uuid, Thread.CurrentThread.ManagedThreadId);
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}
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OnUpdate(new XenOvfTransportEventArgs(TransportStep.Export, string.Format(Messages.FILES_TRANSPORT_SETUP, uuid + ".vhd")));
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using (Stream source = m_iscsi.Connect(XenSession, uuid, true))
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{
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OnUpdate(new XenOvfTransportEventArgs(TransportStep.Export, ""));
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using (FileStream fs = new FileStream(destinationFilename, FileMode.CreateNew, FileAccess.ReadWrite, FileShare.None))
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{
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// Create a geometry to give to DiscUtils.Vhd.Disk.InitializeDynamic() just so it doesn't override capacity
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// when initializing the .
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DiscUtils.Geometry geometry = DiscUtils.Geometry.FromCapacity(source.Length);
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using (DiscUtils.Vhd.Disk destination = DiscUtils.Vhd.Disk.InitializeDynamic(fs, Ownership.None, source.Length, geometry))
|
|
{
|
|
m_iscsi.Copy(source, destination.Content, Path.GetFileName(destinationFilename), ShouldVerifyDisks);
|
|
}
|
|
}
|
|
}
|
|
|
|
if (ShouldVerifyDisks)
|
|
{
|
|
using (var target = new DiscUtils.Vhd.Disk(destinationFilename, FileAccess.Read))
|
|
{
|
|
m_iscsi.Verify(target.Content, destinationFilename);
|
|
}
|
|
}
|
|
}
|
|
catch (Exception ex)
|
|
{
|
|
if (ex is OperationCanceledException)
|
|
throw;
|
|
var msg = string.Format(Messages.ISCSI_COPY_ERROR, destinationFilename);
|
|
log.Error($"Failed to transfer virtual disk {destinationFilename}", ex);
|
|
throw new Exception(msg, ex);
|
|
}
|
|
finally
|
|
{
|
|
OnUpdate(new XenOvfTransportEventArgs(TransportStep.Export, string.Format(Messages.FILES_TRANSPORT_CLEANUP, uuid + ".vhd")));
|
|
m_iscsi.Disconnect(XenSession);
|
|
}
|
|
}
|
|
}
|
|
finally
|
|
{
|
|
_vdiRefs.Clear();
|
|
}
|
|
}
|
|
|
|
private void iscsi_UpdateHandler(XenOvfTransportEventArgs e)
|
|
{
|
|
OnUpdate(e);
|
|
}
|
|
}
|
|
}
|