mirror of
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431 lines
15 KiB
C#
431 lines
15 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.Net;
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using System.Reflection;
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using System.Threading;
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using XenAdmin;
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using XenAdmin.Core;
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using XenAdmin.Network;
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namespace XenAPI
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{
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partial class Task
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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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public delegate task_status_type TaskStatusOp(Session session, string task);
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public delegate double TaskProgressOp(Session session, string task);
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public delegate Task TaskGetRecordOp(Session session, string task);
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private static readonly string XapiExportPrefix = "Export of VM: ";
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private static readonly Dictionary<string, string> Names = new Dictionary<string, string>();
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private static readonly Dictionary<string, string> Titles = new Dictionary<string, string>();
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static Task()
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{
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Names["VM.clean_reboot"] = Messages.ACTION_VM_REBOOTING;
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Names["VM.clean_shutdown"] = Messages.ACTION_VM_SHUTTING_DOWN;
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Names["VM.clone"] = Messages.ACTION_VM_COPYING;
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// Export is dealt with specially.
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// Names["VM.export"] = ...;
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Names["VM.hard_reboot"] = Messages.ACTION_VM_REBOOTING;
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Names["VM.hard_shutdown"] = Messages.ACTION_VM_SHUTTING_DOWN;
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Names["VM.migrate_send"] = Messages.ACTION_VM_MIGRATING;
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Names["VM.resume"] = Messages.ACTION_VM_RESUMING;
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Names["VM.resume_on"] = Messages.ACTION_VM_RESUMING;
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Names["VM.start"] = Messages.ACTION_VM_STARTING;
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Names["VM.start_on"] = Messages.ACTION_VM_STARTING;
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Names["VM.suspend"] = Messages.ACTION_VM_SUSPENDING;
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Names["VM.checkpoint"] = Messages.SNAPSHOTTING;
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Names["VM.snapshot"] = Messages.SNAPSHOTTING;
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Names["VM import"] = Messages.IMPORTING;
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Names["Import of Zurich/Geneva style XVA"] = Messages.IMPORTING;
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Titles["VM.clean_reboot"] = Messages.ACTION_VM_REBOOTING_TITLE;
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Titles["VM.clean_shutdown"] = Messages.ACTION_VM_SHUTTING_DOWN_TITLE;
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Titles["VM.clone"] = Messages.ACTION_VM_COPYING_TITLE_MEDDLING;
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// Export is dealt with specially.
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// Titles["VM.export"] = ...;
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Titles["VM.hard_reboot"] = Messages.ACTION_VM_REBOOTING_TITLE;
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Titles["VM.hard_shutdown"] = Messages.ACTION_VM_SHUTTING_DOWN_TITLE;
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Titles["VM.migrate_send"] = Messages.ACTION_VM_MIGRATING_TITLE;
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Titles["VM.resume"] = Messages.ACTION_VM_RESUMING_ON_TITLE;
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Titles["VM.resume_on"] = Messages.ACTION_VM_RESUMING_ON_TITLE;
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Titles["VM.start"] = Messages.ACTION_VM_STARTING_ON_TITLE;
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Titles["VM.start_on"] = Messages.ACTION_VM_STARTING_ON_TITLE;
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Titles["VM.suspend"] = Messages.ACTION_VM_SUSPENDING_TITLE;
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Titles["VM.checkpoint"] = Messages.ACTION_VM_SNAPSHOT_TITLE;
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Titles["VM.snapshot"] = Messages.ACTION_VM_SNAPSHOT_TITLE;
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Titles["VM import"] = Messages.IMPORTVM_TITLE;
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Titles["Import of Zurich/Geneva style XVA"] = Messages.IMPORTVM_TITLE;
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}
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/// <summary>
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/// Try and run the delegate.
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/// If it fails with a web exception or invalid session, try again.
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/// Only retry 60 times.
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/// </summary>
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/// <param name="connection"></param>
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/// <param name="session"></param>
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/// <param name="f"></param>
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/// <param name="p"></param>
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/// <returns></returns>
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public static Object DoWithSessionRetry(IXenConnection connection, ref Session session, Delegate f, params object[] p)
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{
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int retries = 60;
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while (true)
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{
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try
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{
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object[] ps = new object[p.Length + 1];
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ps[0] = session;
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for (int i = 0; i < p.Length; i++)
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{
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ps[i + 1] = p[i];
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}
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try
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{
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return f.DynamicInvoke(ps);
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}
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catch (TargetInvocationException exn)
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{
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throw exn.InnerException;
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}
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}
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catch (WebException we)
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{
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log.ErrorFormat("WebException in DoWithSessionRetry, retry {0}", retries);
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log.Error(we, we);
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if (retries <= 0)
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throw;
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}
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catch (Failure failure)
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{
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log.ErrorFormat("Failure in DoWithSessionRetry, retry {0}", retries);
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log.Error(failure, failure);
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if (retries <= 0)
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throw;
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if (failure.ErrorDescription.Count < 1 || failure.ErrorDescription[0] != XenAPI.Failure.SESSION_INVALID)
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throw;
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}
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Session newSession = connection.DuplicateSession();
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try
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{
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// Try and logout the old session using the new session
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newSession.proxy.session_logout(session.uuid);
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}
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catch
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{
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}
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session = newSession;
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retries--;
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Thread.Sleep(connection.ExpectDisruption ? 500 : 100);
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}
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}
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/// <summary>
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/// A list of OpaqueRefs of objects to which the current task applies. This is set
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/// by one XenCenter instance, and picked up by other ones.
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/// </summary>
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public List<string> AppliesTo
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{
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get
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{
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string s = Get(other_config, "applies_to");
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return s == null ? ExportAppliesTo() : new List<string>(s.Split(','));
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}
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}
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private List<string> ExportAppliesTo()
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{
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VM vm = ExportAppliesToVM();
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if (vm == null)
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{
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return null;
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}
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else
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{
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List<string> result = new List<string>(1);
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result.Add(vm.opaque_ref);
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return result;
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}
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}
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/// <returns>The VM that this Task applies to, or null if we don't know, or it's not an export.</returns>
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private VM ExportAppliesToVM()
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{
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if (name_label.StartsWith(XapiExportPrefix))
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{
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if (Connection == null)
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return null;
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string uuid = name_label.Substring(XapiExportPrefix.Length);
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return Connection.Cache.Find_By_Uuid<VM>(uuid);
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}
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else
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{
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return null;
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}
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}
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public static void SetAppliesTo(Session session, string _task, List<string> applies_to)
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{
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try
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{
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add_to_other_config(session, _task, "applies_to", string.Join(",", applies_to.ToArray()));
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}
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catch (XenAPI.Failure f)
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{
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if (f.ErrorDescription[0] == Failure.RBAC_PERMISSION_DENIED)
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{
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// Read only user without task.other_config rights - just ignore this request
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return;
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}
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throw f;
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}
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}
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private const string XenCenterMeddlingActionTitleKey = "XenCenterMeddlingActionTitle";
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/// <summary>
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/// Gets the meddling action title which is stored on the task
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/// </summary>
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public string MeddlingActionTitle
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{
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get
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{
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return Get(other_config, XenCenterMeddlingActionTitleKey);
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}
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}
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/// <summary>
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/// Set a title that can be looked up if this task is re-opened as a
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/// meddling action. This is stored on the server
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/// </summary>
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/// <param name="session"></param>
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/// <param name="task">task opaque ref</param>
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/// <param name="title">title to set</param>
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public static void SetMeddlingActionTitle(Session session, string task, string title)
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{
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if (!Helpers.TampaOrGreater(session.Connection))
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return;
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try
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{
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add_to_other_config(session, task, XenCenterMeddlingActionTitleKey, title);
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}
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catch (Failure f)
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{
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if (f.ErrorDescription[0] == Failure.RBAC_PERMISSION_DENIED)
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{
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return;
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}
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throw;
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}
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}
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public string XenCenterUUID
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{
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get
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{
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return Get(other_config, "XenCenterUUID");
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}
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}
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public static void SetXenCenterUUID(Session session, string _task, string uuid)
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{
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try
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{
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add_to_other_config(session, _task, "XenCenterUUID", uuid);
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}
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catch (XenAPI.Failure f)
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{
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if (f.ErrorDescription[0] == Failure.RBAC_PERMISSION_DENIED)
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{
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// Read only user without task.other_config rights - just ignore this request
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return;
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}
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throw f;
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}
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}
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public static void RemoveXenCenterUUID(Session session, string task)
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{
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if(session == null || String.IsNullOrEmpty(task))
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return;
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try
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{
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remove_from_other_config(session, task, "XenCenterUUID");
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}
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catch (XenAPI.Failure f)
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{
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if (f.ErrorDescription[0] == Failure.RBAC_PERMISSION_DENIED)
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{
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// Read only user without task.other_config rights - just ignore this request
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return;
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}
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throw;
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}
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}
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/// <summary>
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/// True if the task should be completely hidden (i.e. Name == null).
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/// </summary>
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public bool Hidden
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{
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get
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{
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if (!String.IsNullOrEmpty(MeddlingActionTitle))
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return false;
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return Name == null;
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}
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}
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/// <summary>
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/// The friendly name to use for this task, or null
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/// if this task is to be completely hidden (e.g. SR.scan).
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/// </summary>
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public override string Name
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{
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get
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{
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string nl = name_label.Replace("Async.", "");
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return
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nl.StartsWith(XapiExportPrefix) ? ExportName():
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Names.ContainsKey(nl) ? Names[nl] :
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other_config.ContainsKey("ShowInXenCenter") ? name_label :
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null;
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}
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}
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public override string Description
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{
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get { return name_description; }
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}
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private string ExportName()
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{
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VM vm = ExportAppliesToVM();
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return
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vm == null ?
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Messages.EXPORTING :
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string.Format(Messages.ACTION_EXPORT_TASK_NAME, vm.name_label);
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}
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/// <summary>
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/// The title to use for this task, or null
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/// if this task is to be completely hidden (e.g. SR.scan).
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/// </summary>
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public string Title
|
|||
|
|
{
|
|||
|
|
get
|
|||
|
|
{
|
|||
|
|
string nl = name_label.Replace("Async.", "");
|
|||
|
|
if (nl.StartsWith(XapiExportPrefix))
|
|||
|
|
return ExportName();
|
|||
|
|
if (AppliesTo != null && Titles.ContainsKey(nl))
|
|||
|
|
{
|
|||
|
|
try { return string.Format(Titles[nl], (object[])GetAppliesToNames().ToArray()); }
|
|||
|
|
catch { } // can crash if GetAppliesToNames() can't find enough names: CA-29493
|
|||
|
|
}
|
|||
|
|
if (Names.ContainsKey(nl))
|
|||
|
|
return Names[nl];
|
|||
|
|
return null;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
private List<string> GetAppliesToNames()
|
|||
|
|
{
|
|||
|
|
|
|||
|
|
VM vm = null;
|
|||
|
|
Host host1 = null;
|
|||
|
|
Host host2 = null;
|
|||
|
|
foreach (string r in AppliesTo)
|
|||
|
|
{
|
|||
|
|
VM _vm = Connection.Resolve(new XenRef<VM>(r));
|
|||
|
|
if (_vm != null)
|
|||
|
|
{
|
|||
|
|
vm = _vm;
|
|||
|
|
continue;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
Host _host = Connection.Resolve(new XenRef<Host>(r));
|
|||
|
|
if (_host != null)
|
|||
|
|
{
|
|||
|
|
if (host1 == null)
|
|||
|
|
host1 = _host;
|
|||
|
|
else
|
|||
|
|
host2 = _host;
|
|||
|
|
continue;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
List<string> result = new List<string>();
|
|||
|
|
|
|||
|
|
if (vm != null)
|
|||
|
|
result.Add(vm.name_label);
|
|||
|
|
if (host1 != null)
|
|||
|
|
result.Add(host1.name_label);
|
|||
|
|
if (host2 != null)
|
|||
|
|
result.Add(host2.name_label);
|
|||
|
|
|
|||
|
|
return result;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
private static List<string> tasksToIgnore = new List<string>(new string[] { "SR.scan" });
|
|||
|
|
public bool IgnoreInCacheUpdate()
|
|||
|
|
{
|
|||
|
|
return tasksToIgnore.Contains(name_label);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|