mirror of
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594 lines
26 KiB
C#
594 lines
26 KiB
C#
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/* 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.Xml;
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using XenOvf.Definitions;
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using XenOvf.Utilities;
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namespace XenOvf
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{
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/// <summary>
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///
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/// </summary>
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public partial class OVF
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{
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/// <summary>
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/// ValidationFlags are binary flags for the individual selection of what to validate
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/// None = No validation
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/// Version = Check the OVF Version (if present)
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/// Files = Ensure the files listed in References.Files are present and accessible.
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/// Cpu = Ensure a CPU RASD is present
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/// Memory = Ensure a Memory RASD is present
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/// Networks = Validate Network RASD is connected to a NETWORK
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/// Capability = Ensure import can handle required RASDs and Sections.
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/// Schema = Validate the OVF XML against the Schema.
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/// </summary>
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[Flags]
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public enum ValidationFlags
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{
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/// <summary>
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///
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/// </summary>
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None = 0,
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/// <summary>
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///
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/// </summary>
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Version = 1,
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/// <summary>
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///
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/// </summary>
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Files = 2,
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/// <summary>
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///
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/// </summary>
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Cpu = 4,
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/// <summary>
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///
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/// </summary>
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Memory = 8,
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/// <summary>
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///
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/// </summary>
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Networks = 16,
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/// <summary>
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///
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/// </summary>
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Capability = 32,
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/// <summary>
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///
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/// </summary>
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Schema = 64
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};
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#region VALIDATION ROUTINES
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/// <summary>
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/// Statically validate the OVF, perform check and values based upon a static Envelope.
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/// A more through check could be done IF destination resources where available but that is out of scope for this method.
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/// </summary>
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/// <param name="ovffilename">OVF Filename with full Path to where vhd/ovf files currently exist</param>
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/// <returns>true=valid; false=not-valid; true can also have warnings in ValidationErrorMessage</returns>
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public static bool Validate(string ovffilename, out List<string> validationErrorMessages)
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{
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validationErrorMessages = new List<string>();
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var validationFlags = ValidationFlags.None;
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string[] lvls = Properties.Settings.Default.RequiredValidations.Split(new char[] { ',' });
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foreach (string lvl in lvls)
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validationFlags = validationFlags | (ValidationFlags)Enum.Parse(typeof(ValidationFlags), lvl, true);
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bool isValid = true;
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string StartPath = Directory.GetCurrentDirectory();
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if (!File.Exists(ovffilename))
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{
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throw new FileNotFoundException(ovffilename);
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}
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string ovfpath = Path.GetDirectoryName(ovffilename);
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if (!Directory.Exists(ovfpath))
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{
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throw new FileNotFoundException(string.Format(Messages.FILE_MISSING, ovfpath));
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}
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Directory.SetCurrentDirectory(ovfpath);
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EnvelopeType ovfEnv = Tools.LoadOvfXml(ovffilename);
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File_Type[] files = null;
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VirtualDiskDesc_Type[] disks = null;
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if (ovfEnv.References != null)
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{
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files = ovfEnv.References.File;
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}
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NetworkSection_TypeNetwork[] networks = null;
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Content_Type[] systems = null;
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RASD_Type[] rasds = null;
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#region : REQUIRED : CHECK IF VHD HARD DISK IMAGES
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// Cannot turn this OFF.
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if (files != null)
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{
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isValid = ValidateVHD(files);
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}
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#endregion
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#region : REQUIRED : CHECK VERSION
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isValid = ValidateVersion(ovfEnv, validationFlags, ref validationErrorMessages);
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#endregion
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#region : REQUIRED : VALIDATE AGAINST SCHEMA
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isValid = ValidateSchema(ovffilename, validationFlags, ref validationErrorMessages);
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#endregion
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#region : REQUIRED : GET OUTER STRUCTURE ELEMENTS
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foreach (var section in ovfEnv.Sections)
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{
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if (section is DiskSection_Type)
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{
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disks = ((DiskSection_Type)section).Disk;
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}
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else if (section is NetworkSection_Type)
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{
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networks = ((NetworkSection_Type)section).Network;
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}
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}
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if (ovfEnv.Item is VirtualSystemCollection_Type)
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{
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systems = ((VirtualSystemCollection_Type)ovfEnv.Item).Content;
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}
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else if (ovfEnv.Item is VirtualSystem_Type)
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{
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systems = new [] { ovfEnv.Item };
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}
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else
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{
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isValid = false;
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var message = string.Format(Messages.VALIDATION_INVALID_TYPE, ovfEnv.Item.GetType().ToString());
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Log.Error(message);
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validationErrorMessages.Add(message);
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}
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#endregion
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#region : REQUIRED : Validate : Files, Cpu, Memory, Networks, Capabilities
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if (isValid)
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{
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foreach (VirtualSystem_Type system in systems)
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{
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isValid = ValidateVHS(system, ref validationErrorMessages);
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foreach (var section in system.Items)
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{
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if (section is VirtualHardwareSection_Type)
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{
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VirtualHardwareSection_Type vhs = (VirtualHardwareSection_Type)section;
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rasds = vhs.Item;
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if ((!ValidateFiles(ovfpath, files, disks, rasds, validationFlags, ref validationErrorMessages)) ||
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(!ValidateCpu(rasds, validationFlags, ref validationErrorMessages)) ||
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(!ValidateMemory(rasds, validationFlags, ref validationErrorMessages)) ||
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(!ValidateNetworks(networks, rasds, validationFlags, ref validationErrorMessages)) ||
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(!ValidateCapability(rasds, validationFlags, ref validationErrorMessages))
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)
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{
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validationErrorMessages.Add(string.Format(Messages.VALIDATION_FAILURE, ovffilename));
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isValid = false;
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}
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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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if (!isValid)
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{
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bool enforceValidation = Properties.Settings.Default.enforceValidation;
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Log.Error("OVF Failed Validation, {0}", enforceValidation ? "return failure" : "OVERRIDE return success");
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if (!enforceValidation)
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isValid = true;
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}
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Directory.SetCurrentDirectory(StartPath);
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return isValid;
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}
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#endregion
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#region PRIVATE
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private static bool ValidateVersion(EnvelopeType ovfEnv, ValidationFlags validationFlags, ref List<string> validationErrorMessages)
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{
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bool isValid = true;
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if ((validationFlags & ValidationFlags.Version) != 0)
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{
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if (ovfEnv.version == null)
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{
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if (ovfEnv.AnyAttr != null && ovfEnv.AnyAttr.Length > 0)
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{
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foreach (XmlAttribute attr in ovfEnv.AnyAttr)
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{
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if (attr.Name.ToLower().Contains("version"))
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{
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ovfEnv.version = attr.Value;
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break;
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}
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}
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}
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if (ovfEnv.version == null)
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{
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Log.Warning("Version not set, applying 1.0.0");
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ovfEnv.version = "1.0.0";
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}
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}
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if (!Properties.Settings.Default.Versions.Contains(ovfEnv.version))
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{
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isValid = false;
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var message = string.Format(Messages.VALIDATION_INVALID_VERSION, ovfEnv.version);
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Log.Warning(message);
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validationErrorMessages.Add(message);
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}
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}
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return isValid;
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}
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private static bool ValidateVHD(File_Type[] files)
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{
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// MUST BE Performed cannot skip.
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bool isValid = true;
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foreach (File_Type file in files)
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{
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string ext = Path.GetExtension(file.href).ToLower();
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if (ext == Properties.Settings.Default.manifestFileExtension || ext == Properties.Settings.Default.certificateFileExtension)
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continue;
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if (File.Exists(file.href))
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{
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if (!Properties.Settings.Default.knownFileExtensions.ToLower().Contains(ext))
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{
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Log.Warning(Messages.VALIDATION_INVALID_FILETYPE, file.href);
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}
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}
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else
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{
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var message = string.Format(Messages.VALIDATION_FILE_NOTFOUND, file.href);
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Log.Error(message);
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throw new Exception(message);
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}
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}
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return isValid;
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}
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private static bool ValidateFiles(string ovfpath, File_Type[] files, VirtualDiskDesc_Type[] disks, RASD_Type[] rasds, ValidationFlags validationFlags, ref List<string> validationErrorMessages)
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{
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bool isValid = true;
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if ((validationFlags & ValidationFlags.Files) != 0)
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{
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if (files != null && files.Length > 0)
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{
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foreach (File_Type file in files)
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{
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string ext = Path.GetExtension(file.href).ToLower();
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if (ext == Properties.Settings.Default.manifestFileExtension || ext == Properties.Settings.Default.certificateFileExtension)
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continue;
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string filename = string.Format(@"{0}{1}{2}", string.IsNullOrEmpty(ovfpath) ? "" : ovfpath,
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string.IsNullOrEmpty(ovfpath) ? "" : @"\",
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file.href);
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if (!File.Exists(filename))
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{
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var message = string.Format(Messages.VALIDATION_FILE_NOTFOUND, file.href);
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validationErrorMessages.Add(message);
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Log.Error(message);
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throw new Exception(message);
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}
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}
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}
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else
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{
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Log.Info("ValidateFiles: no attached files defined, continuing");
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return isValid;
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}
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if (isValid)
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{
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bool validlink = false;
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foreach (File_Type file in files)
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{
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validlink = false;
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foreach (VirtualDiskDesc_Type disk in disks)
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{
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if (file.id == disk.fileRef)
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{
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foreach (RASD_Type rasd in rasds)
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{
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if (rasd.ResourceType.Value == 17 ||
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rasd.ResourceType.Value == 19 ||
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rasd.ResourceType.Value == 20 ||
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rasd.ResourceType.Value == 21)
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{
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if (rasd.HostResource != null && rasd.HostResource.Length > 0)
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{
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if (rasd.HostResource[0].Value.Contains(disk.diskId))
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{
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validlink = true;
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break;
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}
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}
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else if (disk.diskId == rasd.InstanceID.Value)
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{
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validlink = true;
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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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}
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if (!validlink)
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{
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Log.Warning("Disk linkage [File to RASD] does not exist: {0}", file.href);
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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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return isValid;
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}
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private static bool ValidateCpu(RASD_Type[] rasds, ValidationFlags validationFlags, ref List<string> validationErrorMessages)
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{
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bool isValid = true;
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if ((validationFlags & ValidationFlags.Cpu) != 0)
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{
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foreach (RASD_Type rasd in rasds)
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{
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if (rasd.ResourceType.Value == 3)
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{
|
|||
|
|
if (rasd.VirtualQuantity == null || rasd.VirtualQuantity.Value <= 0)
|
|||
|
|
{
|
|||
|
|
var message = string.Format(Messages.VALIDATION_INVALID_CPU_QUANTITY, rasd.VirtualQuantity.Value);
|
|||
|
|
Log.Error(message);
|
|||
|
|
validationErrorMessages.Add(message);
|
|||
|
|
break;
|
|||
|
|
}
|
|||
|
|
if (rasd.Limit != null && rasd.VirtualQuantity.Value > rasd.Limit.Value)
|
|||
|
|
{
|
|||
|
|
var message = string.Format(Messages.VALIDATION_INVALID_CPU_EXCEEDS_LIMIT, rasd.VirtualQuantity.Value, rasd.Limit.Value);
|
|||
|
|
Log.Error(message);
|
|||
|
|
validationErrorMessages.Add(message);
|
|||
|
|
isValid = false;
|
|||
|
|
break;
|
|||
|
|
}
|
|||
|
|
if (rasd.InstanceID == null || rasd.InstanceID.Value.Length <= 0)
|
|||
|
|
{
|
|||
|
|
Log.Info("CPU has an invalid InstanceID, creating new.");
|
|||
|
|
validationErrorMessages.Add(Messages.VALIDATION_INVALID_INSTANCEID);
|
|||
|
|
rasd.InstanceID = new cimString(Guid.NewGuid().ToString());
|
|||
|
|
break;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
return isValid;
|
|||
|
|
}
|
|||
|
|
private static bool ValidateMemory(RASD_Type[] rasds, ValidationFlags validationFlags, ref List<string> validationErrorMessages)
|
|||
|
|
{
|
|||
|
|
bool isValid = true;
|
|||
|
|
if ((validationFlags & ValidationFlags.Memory) != 0)
|
|||
|
|
{
|
|||
|
|
foreach (RASD_Type rasd in rasds)
|
|||
|
|
{
|
|||
|
|
if (rasd.ResourceType.Value == 4)
|
|||
|
|
{
|
|||
|
|
if (rasd.VirtualQuantity == null || rasd.VirtualQuantity.Value <= 0)
|
|||
|
|
{
|
|||
|
|
Log.Error("Memory invalid Virtual Quantity");
|
|||
|
|
validationErrorMessages.Add(Messages.VALIDATION_INVALID_MEMORY_QUANTITY);
|
|||
|
|
isValid = false;
|
|||
|
|
break;
|
|||
|
|
}
|
|||
|
|
if (rasd.AllocationUnits == null || rasd.AllocationUnits.Value.Length <= 0)
|
|||
|
|
{
|
|||
|
|
Log.Error("Memory AllocationUnits not valid");
|
|||
|
|
validationErrorMessages.Add(Messages.VALIDATION_INVALID_MEMORY_ALLOCATIONUNITS);
|
|||
|
|
isValid = false;
|
|||
|
|
break;
|
|||
|
|
}
|
|||
|
|
if (rasd.InstanceID == null || rasd.InstanceID.Value.Length <= 0)
|
|||
|
|
{
|
|||
|
|
Log.Info("Memory has an invalid InstanceID, creating new.");
|
|||
|
|
validationErrorMessages.Add(Messages.VALIDATION_INVALID_INSTANCEID);
|
|||
|
|
rasd.InstanceID = new cimString(Guid.NewGuid().ToString());
|
|||
|
|
break;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
return isValid;
|
|||
|
|
}
|
|||
|
|
private static bool ValidateNetworks(NetworkSection_TypeNetwork[] networks, RASD_Type[] rasds, ValidationFlags validationFlags, ref List<string> validationErrorMessages)
|
|||
|
|
{
|
|||
|
|
bool isValid = true;
|
|||
|
|
if ((validationFlags & ValidationFlags.Networks) != 0)
|
|||
|
|
{
|
|||
|
|
foreach (RASD_Type rasd in rasds)
|
|||
|
|
{
|
|||
|
|
if (rasd.ResourceType.Value == 10)
|
|||
|
|
{
|
|||
|
|
bool linkage = false;
|
|||
|
|
if (rasd.InstanceID == null || rasd.InstanceID.Value.Length <= 0)
|
|||
|
|
{
|
|||
|
|
Log.Info("Network has an invalid InstanceID, creating new.");
|
|||
|
|
validationErrorMessages.Add(Messages.VALIDATION_INVALID_INSTANCEID);
|
|||
|
|
rasd.InstanceID = new cimString(Guid.NewGuid().ToString());
|
|||
|
|
break;
|
|||
|
|
}
|
|||
|
|
foreach (NetworkSection_TypeNetwork net in networks)
|
|||
|
|
{
|
|||
|
|
//
|
|||
|
|
// this may only work for Citrix Created VOFs
|
|||
|
|
// haven't looked at others, may need to use a different key to validate linkage.
|
|||
|
|
//
|
|||
|
|
if ((rasd.Connection != null && rasd.Connection.Length > 0 &&
|
|||
|
|
net.name == rasd.Connection[0].Value) ||
|
|||
|
|
(net.Description.msgid == rasd.InstanceID.Value))
|
|||
|
|
{
|
|||
|
|
linkage = true;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
if (!linkage)
|
|||
|
|
{
|
|||
|
|
Log.Error(Messages.VALIDATION_NETWORK_NO_DEVICE);
|
|||
|
|
validationErrorMessages.Add(Messages.VALIDATION_NETWORK_NO_DEVICE);
|
|||
|
|
isValid = false;
|
|||
|
|
break;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
return isValid;
|
|||
|
|
}
|
|||
|
|
private static bool ValidateCapability(RASD_Type[] rasds, ValidationFlags validationFlags, ref List<string> validationErrorMessages)
|
|||
|
|
{
|
|||
|
|
bool isValid = true;
|
|||
|
|
if ((validationFlags & ValidationFlags.Capability) != 0)
|
|||
|
|
{
|
|||
|
|
foreach (RASD_Type rasd in rasds)
|
|||
|
|
{
|
|||
|
|
switch (rasd.ResourceType.Value)
|
|||
|
|
{
|
|||
|
|
// CIM SCHEMA 2.19.0
|
|||
|
|
case 3: // Processor
|
|||
|
|
case 4: // Memory
|
|||
|
|
case 5: // IDE Controller
|
|||
|
|
case 6: // Parallel SCSI HBA
|
|||
|
|
case 7: // FC HBA
|
|||
|
|
case 8: // iSCSI HBA
|
|||
|
|
case 9: // IB HCA
|
|||
|
|
case 10: // Ehternet Adapter
|
|||
|
|
case 15: // CD Drive
|
|||
|
|
case 16: // DVD Drive
|
|||
|
|
case 17: // Disk Drive
|
|||
|
|
case 19: // Storage Extent
|
|||
|
|
case 20: // Other storage Device
|
|||
|
|
case 21: // Serial Port // Microsoft uses this for Hard Disk Image also, based on an OLDER schema
|
|||
|
|
{
|
|||
|
|
if (rasd.required)
|
|||
|
|
{
|
|||
|
|
isValid = true;
|
|||
|
|
}
|
|||
|
|
break;
|
|||
|
|
}
|
|||
|
|
case 1: // Other
|
|||
|
|
case 2: // Computer System
|
|||
|
|
case 11: // Other Network Adapter
|
|||
|
|
case 12: // I/O Slot
|
|||
|
|
case 13: // I/O Device
|
|||
|
|
case 14: // Floppy Drive
|
|||
|
|
case 18: // Tape Drive
|
|||
|
|
case 22: // Parallel Port
|
|||
|
|
case 23: // USB Controller
|
|||
|
|
case 24: // Graphics Controller
|
|||
|
|
case 25: // IEEE 1394 Controller
|
|||
|
|
case 26: // Partitionable Unit
|
|||
|
|
case 27: // Base Partitionable Unit
|
|||
|
|
case 28: // Power
|
|||
|
|
case 29: // Cooling Capacity
|
|||
|
|
case 30: // Ethernet Switch Port
|
|||
|
|
case 31: // Logical Disk
|
|||
|
|
case 32: // Storage Volume
|
|||
|
|
case 33: // Ethernet Connection
|
|||
|
|
default:
|
|||
|
|
{
|
|||
|
|
if (rasd.required)
|
|||
|
|
{
|
|||
|
|
var message = string.Format(Messages.VALIDATION_REQUIRED_ELEMENT_NOT_RECOGNIZED, rasd.ResourceType.Value, rasd.ElementName.Value);
|
|||
|
|
Log.Error(message);
|
|||
|
|
validationErrorMessages.Add(message);
|
|||
|
|
isValid = false;
|
|||
|
|
}
|
|||
|
|
break;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
if (!isValid)
|
|||
|
|
break;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
return isValid;
|
|||
|
|
}
|
|||
|
|
private static bool ValidateSchema(string ovffilename, ValidationFlags validationFlags, ref List<string> validationErrorMessages)
|
|||
|
|
{
|
|||
|
|
bool isValid = true;
|
|||
|
|
if ((validationFlags & ValidationFlags.Schema) != 0)
|
|||
|
|
{
|
|||
|
|
try
|
|||
|
|
{
|
|||
|
|
isValid = Tools.ValidateXmlToSchema(ovffilename);
|
|||
|
|
}
|
|||
|
|
catch (Exception ex)
|
|||
|
|
{
|
|||
|
|
isValid = false;
|
|||
|
|
validationErrorMessages.Add(ex.Message);
|
|||
|
|
}
|
|||
|
|
if (!isValid)
|
|||
|
|
{
|
|||
|
|
isValid = false;
|
|||
|
|
Log.Error(Messages.VALIDATION_SCHEMA_FAILED);
|
|||
|
|
validationErrorMessages.Add(Messages.VALIDATION_SCHEMA_FAILED);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
return isValid;
|
|||
|
|
}
|
|||
|
|
private static bool ValidateVHS(VirtualSystem_Type vs, ref List<string> validationErrorMessages)
|
|||
|
|
{
|
|||
|
|
bool isValid = true;
|
|||
|
|
VirtualHardwareSection_Type vhs = null;
|
|||
|
|
foreach (Section_Type section in vs.Items)
|
|||
|
|
{
|
|||
|
|
if (section is VirtualHardwareSection_Type)
|
|||
|
|
{
|
|||
|
|
vhs = (VirtualHardwareSection_Type)section;
|
|||
|
|
if (vhs.System != null && vhs.System.VirtualSystemIdentifier != null && vhs.System.VirtualSystemIdentifier.Value != null)
|
|||
|
|
{
|
|||
|
|
if (!Properties.Settings.Default.knownVirtualSystemTypes.Contains(vhs.System.VirtualSystemType.Value))
|
|||
|
|
{
|
|||
|
|
var message = string.Format(Messages.VALIDATION_UNKNOWN_HARDWARE_TYPE, vhs.System.VirtualSystemType.Value);
|
|||
|
|
Log.Warning(message);
|
|||
|
|
validationErrorMessages.Add(message);
|
|||
|
|
isValid = false;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
return isValid;
|
|||
|
|
}
|
|||
|
|
#endregion
|
|||
|
|
}
|
|||
|
|
}
|