mirror of
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1384 lines
47 KiB
C#
1384 lines
47 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.Globalization;
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using System.Threading;
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using Citrix.XenCenter;
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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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public partial class Host : IComparable<Host>, IEquatable<Host>
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{
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public enum Edition
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{
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Free,
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Advanced,
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Enterprise,
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Platinum,
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EnterpriseXD,
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PerSocket, //Added in Clearwater (PR-1589)
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XenDesktop //Added in Clearwater (PR-1589) and is new form of "EnterpriseXD"
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}
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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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return name_label;
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}
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}
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public static Edition GetEdition(string editionText)
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{
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switch (editionText)
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{
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case "advanced":
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return Edition.Advanced;
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case "enterprise":
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return Edition.Enterprise;
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case "enterprise-xd":
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return Edition.EnterpriseXD;
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case "platinum":
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return Edition.Platinum;
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case "xendesktop":
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return Edition.XenDesktop;
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case "per-socket":
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return Edition.PerSocket;
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default:
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return Edition.Free;
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}
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}
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public bool CanSeeNetwork(XenAPI.Network network)
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{
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System.Diagnostics.Trace.Assert(network != null);
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// Special case for local networks.
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if (network.PIFs.Count == 0)
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return true;
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foreach (PIF pif in network.Connection.ResolveAll(network.PIFs))
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{
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if (pif.host != null && pif.host.opaque_ref == opaque_ref)
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return true;
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}
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return false;
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}
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public static string GetEditionText(Edition edition)
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{
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switch (edition)
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{
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case Edition.Advanced:
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return "advanced";
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case Edition.Enterprise:
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return "enterprise";
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case Edition.Platinum:
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return "platinum";
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case Edition.EnterpriseXD:
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return "enterprise-xd";
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case Edition.XenDesktop:
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return "xendesktop";
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case Edition.PerSocket:
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return "per-socket";
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default:
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return "free";
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}
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}
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public string iscsi_iqn
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{
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get { return Get(other_config, "iscsi_iqn") ?? ""; }
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set
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{
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if (iscsi_iqn != value)
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{
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Dictionary<string, string> new_other_config =
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other_config == null ?
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new Dictionary<string, string>() :
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new Dictionary<string, string>(other_config);
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new_other_config["iscsi_iqn"] = value;
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other_config = new_other_config;
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}
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}
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}
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public override string ToString()
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{
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return this.name_label;
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}
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public override string Description
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{
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get
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{
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if (name_description == "Default install of XenServer") // i18n: CA-30372
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return Messages.DEFAULT_INSTALL_OF_XENSERVER;
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else if (name_description == null)
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return "";
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else
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return name_description;
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}
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}
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/// <summary>
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/// The expiry date of this host's license in UTC.
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/// </summary>
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public virtual DateTime LicenseExpiryUTC
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{
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get
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{
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if (license_params.ContainsKey("expiry"))
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return TimeUtil.ParseISO8601DateTime(license_params["expiry"]);
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return new DateTime(2030, 1, 1);
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}
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}
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private bool _RestrictRBAC
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{
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get { return BoolKeyPreferTrue(license_params, "restrict_rbac"); }
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}
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public static bool RestrictRBAC(Host h)
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{
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return h._RestrictRBAC;
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}
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private bool _RestrictDMC
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{
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get { return BoolKeyPreferTrue(license_params, "restrict_dmc"); }
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}
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public static bool RestrictDMC(Host h)
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{
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return h._RestrictDMC;
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}
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private bool _RestrictHotfixApply
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{
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get { return BoolKeyPreferTrue(license_params, "restrict_hotfix_apply"); }
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}
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/// <summary>
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/// Added for Clearwater
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/// </summary>
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/// <param name="h"></param>
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/// <returns></returns>
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public static bool RestrictHotfixApply(Host h)
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{
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return h._RestrictHotfixApply;
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}
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private bool _RestrictCheckpoint
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{
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get { return BoolKeyPreferTrue(license_params, "restrict_checkpoint"); }
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}
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public static bool RestrictCheckpoint(Host h)
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{
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return h._RestrictCheckpoint;
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}
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private bool _RestrictWLB
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{
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get { return BoolKeyPreferTrue(license_params, "restrict_wlb"); }
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}
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public static bool RestrictWLB(Host h)
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{
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return h._RestrictWLB;
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}
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private bool _RestrictVSwitchController
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{
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get { return BoolKeyPreferTrue(license_params, "restrict_vswitch_controller"); }
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}
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public static bool RestrictVSwitchController(Host h)
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{
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return h._RestrictVSwitchController;
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}
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public bool RestrictPooling
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{
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get { return BoolKeyPreferTrue(license_params, "restrict_pooling"); }
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}
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public bool RestrictConnection
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{
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get { return BoolKeyPreferTrue(license_params, "restrict_connection"); }
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}
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public bool RestrictQoS
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{
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get { return BoolKeyPreferTrue(license_params, "restrict_qos"); }
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}
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public bool RestrictVLAN
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{
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get { return BoolKeyPreferTrue(license_params, "restrict_vlan"); }
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}
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public static bool RestrictVMProtection(Host h)
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{
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return h._RestrictVMProtection;
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}
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private bool _RestrictVMProtection
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{
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get { return BoolKeyPreferTrue(license_params, "restrict_vmpr"); }
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}
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public static bool RestrictVMAppliances(Host h)
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{
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return h._RestrictVMAppliances;
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}
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private bool _RestrictVMAppliances
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{
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get { return false; }
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}
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public static bool RestrictDR(Host h)
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{
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return h._RestrictDR;
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}
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private bool _RestrictDR
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{
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get { return BoolKeyPreferTrue(license_params, "restrict_dr"); }
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}
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public static bool RestrictCrossPoolMigrate(Host h)
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{
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return h._RestrictCrossPoolMigrate;
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}
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private bool _RestrictCrossPoolMigrate
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{
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get { return BoolKeyPreferTrue(license_params, "restrict_storage_xen_motion"); }
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}
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public bool RestrictPoolAttachedStorage
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{
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get { return BoolKeyPreferTrue(license_params, "restrict_pool_attached_storage"); }
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}
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public bool IsFloodgateOrLater()
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{
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return (XenCenterMax >= (int)API_Version.API_1_5);
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}
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public virtual bool IsFreeLicense()
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{
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if (Helpers.MidnightRideOrGreater(this))
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{
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return edition == "free";
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}
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return license_params.ContainsKey("sku_type") && license_params["sku_type"].Replace(" ", "_").ToLowerInvariant().EndsWith("xe_express");
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}
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private bool _RestrictHA
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{
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get { return !BoolKey(license_params, "enable_xha"); }
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}
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public bool RestrictHA
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{
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get { return _RestrictHA; }
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}
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public bool RestrictHAOrlando
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{
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get { return _RestrictHA && !IsFloodgateOrLater(); }
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}
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private bool _RestrictHAFloodgate
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{
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get { return _RestrictHA && IsFloodgateOrLater(); }
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}
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public static bool RestrictHAFloodgate(Host h)
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{
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return h._RestrictHAFloodgate;
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}
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private bool _RestrictAlerts
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{
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get { return BoolKeyPreferTrue(license_params, "restrict_email_alerting"); }
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}
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public static bool RestrictAlerts(Host h)
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{
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return h._RestrictAlerts;
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}
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private bool _RestrictStorageChoices
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{
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get { return BoolKeyPreferTrue(license_params, "restrict_netapp"); }
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}
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public static bool RestrictStorageChoices(Host h)
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{
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return h._RestrictStorageChoices;
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}
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private bool _RestrictPerformanceGraphs
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{
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get { return BoolKeyPreferTrue(license_params, "restrict_historical_performance"); }
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}
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public static bool RestrictPerformanceGraphs(Host h)
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{
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return h._RestrictPerformanceGraphs;
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}
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private bool _RestrictCpuMasking
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{
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get { return BoolKeyPreferTrue(license_params, "restrict_cpu_masking"); }
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}
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public static bool RestrictCpuMasking(Host h)
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{
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return h._RestrictCpuMasking;
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}
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private bool _RestrictGpu
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{
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get { return BoolKeyPreferTrue(license_params, "restrict_gpu"); }
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}
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public static bool RestrictGpu(Host h)
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{
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return h._RestrictGpu;
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}
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private bool _RestrictVgpu
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{
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get { return BoolKeyPreferTrue(license_params, "restrict_vgpu"); }
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}
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public static bool RestrictVgpu(Host h)
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{
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return h._RestrictVgpu;
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}
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public bool HasPBDTo(SR sr)
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{
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foreach (XenRef<PBD> pbd in PBDs)
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{
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PBD thePBD = sr.Connection.Resolve<PBD>(pbd);
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if (thePBD != null && thePBD.SR.opaque_ref == sr.opaque_ref)
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{
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return true;
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}
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}
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return false;
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}
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public PBD GetPBDTo(SR sr)
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{
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foreach (XenRef<PBD> pbd in PBDs)
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{
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PBD thePBD = sr.Connection.Resolve<PBD>(pbd);
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if (thePBD != null && thePBD.SR.opaque_ref == sr.opaque_ref)
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{
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return thePBD;
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}
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}
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return null;
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}
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// Constants for other-config from CP-329
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public const String MULTIPATH = "multipathing";
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public const String MULTIPATH_HANDLE = "multipathhandle";
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public const String DMP = "dmp";
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public bool MultipathEnabled
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{
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get { return BoolKey(other_config, MULTIPATH); }
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}
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public String MultipathHandle
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{
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get { return Get(other_config, MULTIPATH_HANDLE); }
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}
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public override int CompareTo(Host other)
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{
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// CA-20865 Sort in the following order:
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// * Masters first
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// * Then connected slaves
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// * Then disconnected servers
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// Within each group, in NaturalCompare order
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bool thisConnected = (Connection.IsConnected && Helpers.GetMaster(Connection) != null);
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bool otherConnected = (other.Connection.IsConnected && Helpers.GetMaster(other.Connection) != null);
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if (thisConnected && !otherConnected)
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return -1;
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else if (!thisConnected && otherConnected)
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return 1;
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else if (thisConnected)
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{
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bool thisIsMaster = IsMaster();
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bool otherIsMaster = other.IsMaster();
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if (thisIsMaster && !otherIsMaster)
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return -1;
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else if (!thisIsMaster && otherIsMaster)
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return 1;
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}
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return base.CompareTo(other);
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}
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public virtual bool IsMaster()
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{
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Pool pool = Helpers.GetPoolOfOne(Connection);
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if (pool == null)
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return false;
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Host master = Connection.Resolve<Host>(pool.master);
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return master == null ? false : master.uuid == this.uuid;
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}
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/// <summary>
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/// Return this host's product version triplet (e.g. 5.6.100), or null if it can't be found.
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/// </summary>
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public virtual string ProductVersion
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{
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get { return Get(software_version, "product_version"); }
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}
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private string MarketingVersion(string field)
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{
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string s = Get(software_version, field);
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return string.IsNullOrEmpty(s) ? ProductVersion : s;
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}
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/// <summary>
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/// Return this host's marketing version number (e.g. 5.6 Feature Pack 1),
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/// or ProductVersion (which can still be null) if it can't be found, including pre-Cowley hosts.
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/// </summary>
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public string ProductVersionText
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{
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get { return MarketingVersion("product_version_text"); }
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}
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/// <summary>
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/// Return this host's marketing version number in short form (e.g. 5.6 FP1),
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/// or ProductVersion (which can still be null) if it can't be found, including pre-Cowley hosts.
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/// </summary>
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public string ProductVersionTextShort
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{
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get { return MarketingVersion("product_version_text_short"); }
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}
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/// <summary>
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/// Return this host's XCP version triplet (e.g. 1.0.50), or null if it can't be found,
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/// including all pre-Tampa hosts.
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/// </summary>
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public virtual string PlatformVersion
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{
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get { return Get(software_version, "platform_version"); }
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}
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/// <summary>
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/// Return the build number of this host, or -1 if none can be found. This will often be
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/// 0 or -1 for developer builds, so comparisons should generally treat those numbers as if
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/// they were brand new.
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/// </summary>
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public int BuildNumber
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{
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get
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{
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string bn = BuildNumberRaw;
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if (bn == null)
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return -1;
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while (bn.Length > 0 && !char.IsDigit(bn[bn.Length - 1]))
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{
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bn = bn.Substring(0, bn.Length - 1);
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}
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int result;
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if (int.TryParse(bn, out result))
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return result;
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else
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return -1;
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}
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}
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/// <summary>
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/// Return the build number of this host, without stripping off the final letter etc.; or null if none can be found.
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/// </summary>
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public virtual string BuildNumberRaw
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{
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get { return Get(software_version, "build_number"); }
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}
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/// <summary>
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/// Return this host's product version and build number (e.g. 5.6.100.72258), or null if product version can't be found.
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/// </summary>
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public virtual string LongProductVersion
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{
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get
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{
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string productVersion = ProductVersion;
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return productVersion != null ? string.Format("{0}.{1}", productVersion, BuildNumber) : null;
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}
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}
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/// <summary>
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/// Return the hg_id (Mercurial changeset number) of xapi on this host, or null if none can be found.
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/// </summary>
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public string hg_id
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{
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get { return Get(software_version, "hg_id"); }
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}
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/// <summary>
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/// Return the product_brand of this host, or null if none can be found.
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/// </summary>
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public string ProductBrand
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{
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get { return Get(software_version, "product_brand"); }
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}
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/// <summary>
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/// Whether this host is an XCP host
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/// </summary>
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public bool IsXCP
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{
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get
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{
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return
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ProductVersion == null && PlatformVersion != null || // for Tampa and later
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ProductBrand == "XCP"; // for Boston and earlier
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}
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}
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/// <summary>
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/// The remote syslog target. May return null if not set on the server. Set to null to unset.
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/// </summary>
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|
public string SysLogDestination
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{
|
|
get { return logging != null && logging.ContainsKey("syslog_destination") ? logging["syslog_destination"] : null; }
|
|
set
|
|
{
|
|
if (SysLogDestination != value)
|
|
{
|
|
Dictionary<string, string> new_logging =
|
|
logging == null ?
|
|
new Dictionary<string, string>() :
|
|
new Dictionary<string, string>(logging);
|
|
|
|
if (value == null)
|
|
{
|
|
new_logging.Remove("syslog_destination");
|
|
}
|
|
else
|
|
{
|
|
new_logging["syslog_destination"] = value;
|
|
}
|
|
|
|
logging = new_logging;
|
|
}
|
|
}
|
|
}
|
|
|
|
public static bool IsFullyPatched(Host host,IEnumerable<IXenConnection> connections)
|
|
{
|
|
List<Pool_patch> patches = Pool_patch.GetAllThatApply(host,connections);
|
|
|
|
List<Pool_patch> appliedPatches
|
|
= host.AppliedPatches();
|
|
|
|
if (appliedPatches.Count == patches.Count)
|
|
return true;
|
|
|
|
foreach (Pool_patch patch in patches)
|
|
{
|
|
Pool_patch patch1 = patch;
|
|
if (!appliedPatches.Exists(otherPatch => patch1.uuid == otherPatch.uuid))
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
public virtual List<Pool_patch> AppliedPatches()
|
|
{
|
|
List<Pool_patch> patches = new List<Pool_patch>();
|
|
|
|
foreach (Host_patch hostPatch in Connection.ResolveAll(this.patches))
|
|
{
|
|
Pool_patch patch = Connection.Resolve(hostPatch.pool_patch);
|
|
if (patch != null)
|
|
patches.Add(patch);
|
|
}
|
|
|
|
return patches;
|
|
}
|
|
|
|
public string XAPI_version
|
|
{
|
|
get
|
|
{
|
|
return Get(software_version, "xapi");
|
|
}
|
|
}
|
|
|
|
public bool LinuxPackPresent
|
|
{
|
|
get
|
|
{
|
|
if (Helpers.MidnightRideOrGreater(this))
|
|
return software_version.ContainsKey("xs:linux");
|
|
else
|
|
return Get(software_version, "package-linux") == "installed";
|
|
}
|
|
}
|
|
|
|
public bool isOEM
|
|
{
|
|
get
|
|
{
|
|
return software_version.ContainsKey("oem_build_number");
|
|
}
|
|
}
|
|
|
|
public bool HasCrashDumps
|
|
{
|
|
get
|
|
{
|
|
return crashdumps != null && crashdumps.Count > 0;
|
|
}
|
|
}
|
|
|
|
public bool IsLive
|
|
{
|
|
get
|
|
{
|
|
if (Connection == null)
|
|
return false;
|
|
|
|
Host_metrics hm = Connection.Resolve(metrics);
|
|
return hm == null ? false : hm.live;
|
|
}
|
|
}
|
|
|
|
public const string MAINTENANCE_MODE = "MAINTENANCE_MODE";
|
|
|
|
public bool MaintenanceMode
|
|
{
|
|
get
|
|
{
|
|
return BoolKey(other_config, MAINTENANCE_MODE);
|
|
}
|
|
}
|
|
|
|
public const string BOOT_TIME = "boot_time";
|
|
|
|
public double BootTime
|
|
{
|
|
get
|
|
{
|
|
if (other_config == null)
|
|
return 0.0;
|
|
|
|
if (!other_config.ContainsKey(BOOT_TIME))
|
|
return 0.0;
|
|
|
|
double bootTime;
|
|
|
|
if (!double.TryParse(other_config[BOOT_TIME], NumberStyles.Number,
|
|
CultureInfo.InvariantCulture, out bootTime))
|
|
return 0.0;
|
|
|
|
return bootTime;
|
|
}
|
|
}
|
|
|
|
|
|
public PrettyTimeSpan Uptime
|
|
{
|
|
get
|
|
{
|
|
double bootTime = BootTime;
|
|
if (bootTime == 0.0)
|
|
return null;
|
|
return new PrettyTimeSpan(DateTime.UtcNow - Util.FromUnixTime(bootTime) - Connection.ServerTimeOffset);
|
|
}
|
|
}
|
|
|
|
public const string AGENT_START_TIME = "agent_start_time";
|
|
|
|
public double AgentStartTime
|
|
{
|
|
get
|
|
{
|
|
if (other_config == null)
|
|
return 0.0;
|
|
|
|
if (!other_config.ContainsKey(AGENT_START_TIME))
|
|
return 0.0;
|
|
|
|
double agentStartTime;
|
|
|
|
if (!double.TryParse(other_config[AGENT_START_TIME], System.Globalization.NumberStyles.Any, CultureInfo.InvariantCulture, out agentStartTime))
|
|
return 0.0;
|
|
|
|
return agentStartTime;
|
|
}
|
|
}
|
|
|
|
public PrettyTimeSpan AgentUptime
|
|
{
|
|
get
|
|
{
|
|
double startTime = AgentStartTime;
|
|
if (startTime == 0.0)
|
|
return null;
|
|
return new PrettyTimeSpan(DateTime.UtcNow - Util.FromUnixTime(startTime) - Connection.ServerTimeOffset);
|
|
}
|
|
}
|
|
|
|
// Get the path counts from the Multipath Boot From SAN feature (see PR-1034 and CP-1696).
|
|
// Returns true if the Host.other_config contains the multipathed and mpath-boot keys,
|
|
// and the mpath-boot key is parseable. In this case, current and max will contain the result;
|
|
// otherwise they will contain zero.
|
|
public bool GetBootPathCounts(out int current, out int max)
|
|
{
|
|
current = max = 0;
|
|
return (BoolKey(other_config, "multipathed") &&
|
|
other_config.ContainsKey("mpath-boot") &&
|
|
PBD.ParsePathCounts(other_config["mpath-boot"], out current, out max));
|
|
}
|
|
|
|
#region Save Evacuated VMs for later
|
|
|
|
public const String MAINTENANCE_MODE_EVACUATED_VMS_MIGRATED = "MAINTENANCE_MODE_EVACUATED_VMS_MIGRATED";
|
|
public const String MAINTENANCE_MODE_EVACUATED_VMS_SUSPENDED = "MAINTENANCE_MODE_EVACUATED_VMS_SUSPENDED";
|
|
public const String MAINTENANCE_MODE_EVACUATED_VMS_HALTED = "MAINTENANCE_MODE_EVACUATED_VMS_HALTED";
|
|
|
|
/// <summary>
|
|
/// Save the list of VMs on this host, so we can try and put them back when finished.
|
|
/// This may get run multiple times, after which some vms will have been suspended / shutdown.
|
|
/// </summary>
|
|
/// <param name="session">Pass in the session you wish to use for the other config writing</param>
|
|
public void SaveEvacuatedVMs(Session session)
|
|
{
|
|
//Program.AssertOffEventThread();
|
|
|
|
XenRef<Host> opaque_ref = get_by_uuid(session, uuid);
|
|
|
|
List<VM> migratedVMs = GetVMs(MAINTENANCE_MODE_EVACUATED_VMS_MIGRATED);
|
|
List<VM> suspendedVMs = GetVMs(MAINTENANCE_MODE_EVACUATED_VMS_SUSPENDED);
|
|
List<VM> haltedVMs = GetVMs(MAINTENANCE_MODE_EVACUATED_VMS_HALTED);
|
|
|
|
List<VM> allVMs = new List<VM>();
|
|
allVMs.AddRange(migratedVMs);
|
|
allVMs.AddRange(suspendedVMs);
|
|
allVMs.AddRange(haltedVMs);
|
|
|
|
// First time round there will be no saved VMs,
|
|
// (or less saved VMs than currently resident)
|
|
// so just save them all as migrated
|
|
// don't forget the control domain
|
|
|
|
if (allVMs.Count < resident_VMs.Count - 1)
|
|
{
|
|
SaveVMList(session, opaque_ref, MAINTENANCE_MODE_EVACUATED_VMS_MIGRATED,
|
|
Connection.ResolveAll(resident_VMs));
|
|
return;
|
|
}
|
|
|
|
// We've been round once, so just make sure all the vms are in the correct list
|
|
// and then save the lists again
|
|
|
|
migratedVMs.Clear();
|
|
suspendedVMs.Clear();
|
|
haltedVMs.Clear();
|
|
|
|
foreach (VM vm in allVMs)
|
|
{
|
|
switch (vm.power_state)
|
|
{
|
|
case vm_power_state.Halted:
|
|
haltedVMs.Add(vm);
|
|
break;
|
|
|
|
case vm_power_state.Running:
|
|
migratedVMs.Add(vm);
|
|
break;
|
|
|
|
case vm_power_state.Suspended:
|
|
suspendedVMs.Add(vm);
|
|
break;
|
|
}
|
|
}
|
|
|
|
SaveVMList(session, opaque_ref, MAINTENANCE_MODE_EVACUATED_VMS_MIGRATED, migratedVMs);
|
|
SaveVMList(session, opaque_ref, MAINTENANCE_MODE_EVACUATED_VMS_HALTED, haltedVMs);
|
|
SaveVMList(session, opaque_ref, MAINTENANCE_MODE_EVACUATED_VMS_SUSPENDED, suspendedVMs);
|
|
}
|
|
|
|
private static void SaveVMList(Session session, String serverOpaqueRef, String key, List<VM> vms)
|
|
{
|
|
//Program.AssertOffEventThread();
|
|
|
|
List<String> vmUUIDs = new List<String>();
|
|
foreach (VM vm in vms)
|
|
{
|
|
if (vm.is_control_domain)
|
|
continue;
|
|
|
|
vmUUIDs.Add(vm.uuid);
|
|
}
|
|
|
|
Host.remove_from_other_config(session, serverOpaqueRef, key);
|
|
Host.add_to_other_config(session, serverOpaqueRef, key, String.Join(",", vmUUIDs.ToArray()));
|
|
}
|
|
|
|
private List<VM> GetVMs(String key)
|
|
{
|
|
List<VM> vms = new List<VM>();
|
|
|
|
if (other_config == null || !other_config.ContainsKey(key))
|
|
return vms;
|
|
|
|
String vmUUIDs = other_config[key];
|
|
if (String.IsNullOrEmpty(vmUUIDs))
|
|
return vms;
|
|
|
|
foreach (String vmUUID in vmUUIDs.Split(new char[] { ',' }))
|
|
foreach (VM vm in Connection.Cache.VMs)
|
|
if (vm.uuid == vmUUID)
|
|
{
|
|
if (!vms.Contains(vm))
|
|
vms.Add(vm);
|
|
|
|
break;
|
|
}
|
|
|
|
return vms;
|
|
}
|
|
|
|
public void ClearEvacuatedVMs(Session session)
|
|
{
|
|
//Program.AssertOffEventThread();
|
|
|
|
XenRef<Host> serverOpaqueRef1 = get_by_uuid(session, uuid);
|
|
remove_from_other_config(session, serverOpaqueRef1, MAINTENANCE_MODE_EVACUATED_VMS_MIGRATED);
|
|
remove_from_other_config(session, serverOpaqueRef1, MAINTENANCE_MODE_EVACUATED_VMS_HALTED);
|
|
remove_from_other_config(session, serverOpaqueRef1, MAINTENANCE_MODE_EVACUATED_VMS_SUSPENDED);
|
|
}
|
|
|
|
public List<VM> GetMigratedEvacuatedVMs()
|
|
{
|
|
return GetEvacuatedVMs(MAINTENANCE_MODE_EVACUATED_VMS_MIGRATED, vm_power_state.Running);
|
|
}
|
|
|
|
public List<VM> GetSuspendedEvacuatedVMs()
|
|
{
|
|
return GetEvacuatedVMs(MAINTENANCE_MODE_EVACUATED_VMS_SUSPENDED, vm_power_state.Suspended);
|
|
}
|
|
|
|
public List<VM> GetHaltedEvacuatedVMs()
|
|
{
|
|
return GetEvacuatedVMs(MAINTENANCE_MODE_EVACUATED_VMS_HALTED, vm_power_state.Halted);
|
|
}
|
|
|
|
private List<VM> GetEvacuatedVMs(String key, vm_power_state expectedPowerState)
|
|
{
|
|
List<VM> vms = GetVMs(key);
|
|
foreach (VM vm in vms.ToArray())
|
|
if (vm.power_state != expectedPowerState)
|
|
vms.Remove(vm);
|
|
|
|
return vms;
|
|
}
|
|
|
|
#endregion
|
|
|
|
/// <summary>
|
|
/// Will return null if cannot find connection or any control domain in list of vms
|
|
/// </summary>
|
|
public VM ControlDomain
|
|
{
|
|
get
|
|
{
|
|
if (Connection == null)
|
|
return null;
|
|
foreach (VM vm in Connection.ResolveAll<VM>(resident_VMs))
|
|
{
|
|
if (vm.is_control_domain)
|
|
return vm;
|
|
}
|
|
return null;
|
|
}
|
|
}
|
|
|
|
/// <summary>
|
|
/// Interpret a value from the software_version dictionary as a int, or 0 if we couldn't parse it.
|
|
/// </summary>
|
|
private int GetSVAsInt(string key)
|
|
{
|
|
string s = Get(software_version, key);
|
|
if (s == null)
|
|
return 0;
|
|
return (int)Helper.GetAPIVersion(s);
|
|
}
|
|
|
|
/// <summary>
|
|
/// The xencenter_min as a int, or 0. if we couldn't parse it.
|
|
/// </summary>
|
|
public int XenCenterMin
|
|
{
|
|
get { return GetSVAsInt("xencenter_min"); }
|
|
}
|
|
|
|
/// <summary>
|
|
/// The xencenter_max as a int, or 0 if we couldn't parse it.
|
|
/// </summary>
|
|
public int XenCenterMax
|
|
{
|
|
get { return GetSVAsInt("xencenter_max"); }
|
|
}
|
|
|
|
/// <summary>
|
|
/// The amount of memory free on the host. For George and earlier hosts, we simply use
|
|
/// the obvious Host_metrics.memory_free. For Midnight Ride and later, however, we use
|
|
/// the same calculation as xapi, adding the used memory and the virtualisation overheads
|
|
/// on each of the VMs. This is a more conservative estimate (i.e., it reports less memory
|
|
/// free), but it's the one we need to make the memory go down to zero when ballooning
|
|
/// takes place.
|
|
/// </summary>
|
|
public long memory_free_calc
|
|
{
|
|
get
|
|
{
|
|
Host_metrics host_metrics = Connection.Resolve(this.metrics);
|
|
if (host_metrics == null)
|
|
return 0;
|
|
|
|
if (!Helpers.MidnightRideOrGreater(Connection))
|
|
return host_metrics.memory_free;
|
|
|
|
long used = memory_overhead;
|
|
foreach (VM vm in Connection.ResolveAll(resident_VMs))
|
|
{
|
|
used += vm.memory_overhead;
|
|
VM_metrics vm_metrics = vm.Connection.Resolve(vm.metrics);
|
|
if (vm_metrics != null)
|
|
used += vm_metrics.memory_actual;
|
|
}
|
|
|
|
// This hack is needed because of bug CA-32509. xapi uses a deliberately generous
|
|
// estimate of VM.memory_overhead: but the low-level squeezer code doesn't (and can't)
|
|
// know about the same calculation, and so uses some of this memory_overhead for the
|
|
// VM's memory_actual. This causes up to 1MB of double-counting per VM.
|
|
return ((host_metrics.memory_total > used) ? (host_metrics.memory_total - used) : 0);
|
|
}
|
|
}
|
|
|
|
/// <summary>
|
|
/// The total of all the dynamic_minimum memories of all resident VMs other than the control domain.
|
|
/// For non-ballonable VMs, we use the static_maximum instead, because the dynamic_minimum has no effect.
|
|
/// </summary>
|
|
public long tot_dyn_min
|
|
{
|
|
get
|
|
{
|
|
long ans = 0;
|
|
foreach (VM vm in Connection.ResolveAll(resident_VMs))
|
|
{
|
|
if (!vm.is_control_domain)
|
|
ans += vm.has_ballooning ? vm.memory_dynamic_min : vm.memory_static_max;
|
|
}
|
|
return ans;
|
|
}
|
|
}
|
|
|
|
/// <summary>
|
|
/// The total of all the dynamic_maximum memories of all resident VMs other than the control domain.
|
|
/// For non-ballonable VMs, we use the static_maximum instead, because the dynamic_maximum has no effect.
|
|
/// </summary>
|
|
public long tot_dyn_max
|
|
{
|
|
get
|
|
{
|
|
long ans = 0;
|
|
foreach (VM vm in Connection.ResolveAll(resident_VMs))
|
|
{
|
|
if (!vm.is_control_domain)
|
|
ans += vm.has_ballooning ? vm.memory_dynamic_max : vm.memory_static_max;
|
|
}
|
|
return ans;
|
|
}
|
|
}
|
|
|
|
/// <summary>
|
|
/// The amount of available memory on the host. This is not the same as the amount of free memory, because
|
|
/// it includes the memory that could be freed by reducing balloonable VMs to their dynamic_minimum memory.
|
|
/// </summary>
|
|
public long memory_available_calc
|
|
{
|
|
get
|
|
{
|
|
Host_metrics host_metrics = Connection.Resolve(this.metrics);
|
|
if (host_metrics == null)
|
|
return 0;
|
|
|
|
long avail = host_metrics.memory_total - tot_dyn_min - xen_memory_calc;
|
|
if (avail < 0)
|
|
avail = 0; // I don't think this can happen, but I'm nervous about CA-32509: play it safe
|
|
return avail;
|
|
}
|
|
}
|
|
|
|
/// <summary>
|
|
/// The amount of memory used by Xen, including the control domain plus host and VM overheads.
|
|
/// Used to calculate this as total - free - tot_vm_mem, but that caused xen_mem to jump around
|
|
/// during VM startup/shutdown because some changes happen before others.
|
|
/// </summary>
|
|
public long xen_memory_calc
|
|
{
|
|
get
|
|
{
|
|
if (!Helpers.MidnightRideOrGreater(Connection))
|
|
{
|
|
Host_metrics host_metrics = Connection.Resolve(this.metrics);
|
|
if (host_metrics == null)
|
|
return 0;
|
|
long totalused = 0;
|
|
foreach (VM vm in Connection.ResolveAll(resident_VMs))
|
|
{
|
|
VM_metrics vmMetrics = vm.Connection.Resolve(vm.metrics);
|
|
if (vmMetrics != null)
|
|
totalused += vmMetrics.memory_actual;
|
|
}
|
|
return host_metrics.memory_total - totalused - host_metrics.memory_free;
|
|
}
|
|
long xen_mem = memory_overhead;
|
|
foreach (VM vm in Connection.ResolveAll(resident_VMs))
|
|
{
|
|
xen_mem += vm.memory_overhead;
|
|
if (vm.is_control_domain)
|
|
{
|
|
VM_metrics vmMetrics = vm.Connection.Resolve(vm.metrics);
|
|
if (vmMetrics != null)
|
|
xen_mem += vmMetrics.memory_actual;
|
|
}
|
|
}
|
|
return xen_mem;
|
|
}
|
|
}
|
|
|
|
/// <summary>
|
|
/// Friendly string showing memory usage on the host
|
|
/// </summary>
|
|
public string HostMemoryString
|
|
{
|
|
get
|
|
{
|
|
Host_metrics m = Connection.Resolve(metrics);
|
|
if (m == null)
|
|
return Messages.GENERAL_UNKNOWN;
|
|
|
|
long ServerMBAvail = memory_available_calc;
|
|
long ServerMBTotal = m.memory_total;
|
|
|
|
return string.Format(Messages.GENERAL_MEMORY_SERVER_FREE,
|
|
Util.MemorySizeString(ServerMBAvail),
|
|
Util.MemorySizeString(ServerMBTotal));
|
|
}
|
|
}
|
|
|
|
/// <summary>
|
|
/// A friendly string for the XenMemory on this host
|
|
/// </summary>
|
|
public string XenMemoryString
|
|
{
|
|
get
|
|
{
|
|
if (Connection.Resolve(metrics) == null)
|
|
return Messages.GENERAL_UNKNOWN;
|
|
|
|
return Util.MemorySizeString(xen_memory_calc);
|
|
}
|
|
}
|
|
|
|
/// <summary>
|
|
/// A friendly string of the resident VM's memory usage, with each entry separated by a line break
|
|
/// </summary>
|
|
public string ResidentVMMemoryUsageString
|
|
{
|
|
get
|
|
{
|
|
Host_metrics m = Connection.Resolve(metrics);
|
|
|
|
if (m == null)
|
|
return Messages.GENERAL_UNKNOWN;
|
|
else
|
|
{
|
|
List<string> lines = new List<string>();
|
|
|
|
foreach (VM vm in Connection.ResolveAll(resident_VMs))
|
|
{
|
|
if (vm.is_control_domain)
|
|
continue;
|
|
|
|
VM_metrics VMMetrics = Connection.Resolve(vm.metrics);
|
|
if (VMMetrics == null)
|
|
continue;
|
|
|
|
string message = string.Format(Messages.GENERAL_MEMORY_VM_USED, vm.Name,
|
|
Util.MemorySizeString(VMMetrics.memory_actual));
|
|
|
|
lines.Add(message);
|
|
}
|
|
|
|
return string.Join("\n", lines.ToArray());
|
|
}
|
|
}
|
|
}
|
|
|
|
/// <summary>
|
|
/// Wait about two minutes for all the PBDs on this host to become plugged:
|
|
/// if they do not, try and plug them. (Refs: CA-41219, CA-41305, CA-66496).
|
|
/// </summary>
|
|
public void CheckAndPlugPBDs()
|
|
{
|
|
bool allPBDsReady = false;
|
|
int timeout = 120;
|
|
do
|
|
{
|
|
if (this.enabled) // if the Host is not yet enabled, pbd.currently_attached may not be accurate: see CA-66496.
|
|
{
|
|
allPBDsReady = true;
|
|
foreach (PBD pbd in Connection.ResolveAll(PBDs))
|
|
{
|
|
if (!pbd.currently_attached)
|
|
{
|
|
allPBDsReady = false;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
if (!allPBDsReady)
|
|
{
|
|
Thread.Sleep(1000);
|
|
timeout--;
|
|
}
|
|
} while (!allPBDsReady && timeout > 0);
|
|
if (!allPBDsReady)
|
|
{
|
|
foreach (var pbd in Connection.ResolveAll(PBDs))
|
|
{
|
|
if (!pbd.currently_attached)
|
|
{
|
|
Session session = Connection.DuplicateSession();
|
|
// If we still havent plugged, then try and plug it - this will probably
|
|
// fail, but at least we'll get a better error message.
|
|
PBD.NonchalantPlug(session, pbd.opaque_ref);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
/// <summary>
|
|
/// Whether the host is running the vSwitch network stack
|
|
/// </summary>
|
|
public bool vSwitchNetworkBackend
|
|
{
|
|
get
|
|
{
|
|
return software_version.ContainsKey("network_backend") &&
|
|
software_version["network_backend"] == "openvswitch";
|
|
}
|
|
}
|
|
|
|
/// <summary>
|
|
/// The number of CPU sockets the host has
|
|
/// Return 0 if a problem is found
|
|
/// </summary>
|
|
public virtual int CpuSockets
|
|
{
|
|
get
|
|
{
|
|
const string key = "socket_count";
|
|
const int defaultSockets = 0;
|
|
|
|
if (cpu_info == null || !cpu_info.ContainsKey(key))
|
|
return defaultSockets;
|
|
|
|
int sockets;
|
|
bool parsed = int.TryParse(cpu_info[key], out sockets);
|
|
if (!parsed)
|
|
return defaultSockets;
|
|
|
|
return sockets;
|
|
|
|
}
|
|
}
|
|
|
|
/// <summary>
|
|
/// Is the host allowed to install hotfixes or are they restricted?
|
|
/// </summary>
|
|
public virtual bool CanApplyHotfixes
|
|
{
|
|
get
|
|
{
|
|
if(!Helpers.ClearwaterOrGreater(Connection))
|
|
return true;
|
|
|
|
return !Helpers.FeatureForbidden(Connection, RestrictHotfixApply);
|
|
}
|
|
}
|
|
|
|
/// <summary>
|
|
/// Grace is either upgrade or regular
|
|
/// </summary>
|
|
public virtual bool InGrace
|
|
{
|
|
get { return license_params.ContainsKey("grace"); }
|
|
}
|
|
|
|
#region Supplemental Packs
|
|
|
|
// From http://scale.uk.xensource.com/confluence/display/engp/Supplemental+Pack+product+design+notes#SupplementalPackproductdesignnotes-XenAPI:
|
|
// The supplemental packs that are installed on a host are listed in the host's Host.software_version field in the data model.
|
|
// The keys of the entries have the form "<originator>:<name>", the value is "<description>, version <version>", appended by
|
|
// ", build <build>" if the build number is present in the XML file, and further appended by ", homogeneous" if the
|
|
// enforce-homogeneity attribute is present and set to true.
|
|
//
|
|
// Examples:
|
|
// xs:main: Base Pack, version 5.5.900, build 19689c
|
|
// xs:linux: Linux Pack, version 5.5.900, build 19689c, homogeneous
|
|
|
|
public class SuppPack
|
|
{
|
|
private string originator, name, description, version, build;
|
|
private bool homogeneous;
|
|
|
|
public string Originator { get { return originator; } }
|
|
public string Name { get { return name; } }
|
|
public string Description { get { return description; } }
|
|
public string Version { get { return version; } }
|
|
public string Build { get { return build; } }
|
|
public bool Homogeneous { get { return homogeneous; } }
|
|
|
|
public string OriginatorAndName { get { return originator + ":" + name; } }
|
|
|
|
private bool parsed = false;
|
|
public bool IsValid { get { return parsed; } }
|
|
|
|
/// <summary>
|
|
/// Try to parse the supp pack information from one key of software_version
|
|
/// </summary>
|
|
public SuppPack(string key, string value)
|
|
{
|
|
// Parse the key
|
|
string[] splitKey = key.Split(':');
|
|
if (splitKey.Length != 2)
|
|
return;
|
|
originator = splitKey[0];
|
|
name = splitKey[1];
|
|
|
|
// Parse the value. The description may contain arbitrary text, so we have to be a bit subtle:
|
|
// we first search from the end to find where the description ends.
|
|
int x = value.LastIndexOf(", version ");
|
|
if (x <= 0)
|
|
return;
|
|
|
|
description = value.Substring(0, x);
|
|
string val = value.Substring(x + 10);
|
|
|
|
string[] delims = new string[] {", "};
|
|
string[] splitValue = val.Split(delims, StringSplitOptions.None);
|
|
if (splitValue.Length == 0 || splitValue.Length > 3)
|
|
return;
|
|
|
|
version = splitValue[0];
|
|
|
|
if (splitValue.Length >= 2)
|
|
{
|
|
if (!splitValue[1].StartsWith("build "))
|
|
return;
|
|
build = splitValue[1].Substring(6);
|
|
}
|
|
|
|
if (splitValue.Length >= 3)
|
|
{
|
|
if (splitValue[2] != "homogeneous")
|
|
return;
|
|
homogeneous = true;
|
|
}
|
|
else
|
|
homogeneous = false;
|
|
|
|
parsed = true;
|
|
}
|
|
}
|
|
|
|
|
|
/// <summary>
|
|
/// Return a list of the supplemental packs
|
|
/// </summary>
|
|
public List<SuppPack> SuppPacks
|
|
{
|
|
get
|
|
{
|
|
List<SuppPack> packs = new List<SuppPack>();
|
|
foreach (string key in software_version.Keys)
|
|
{
|
|
SuppPack pack = new SuppPack(key, software_version[key]);
|
|
if (pack.IsValid)
|
|
packs.Add(pack);
|
|
}
|
|
return packs;
|
|
}
|
|
}
|
|
#endregion
|
|
|
|
#region IEquatable<Host> Members
|
|
|
|
/// <summary>
|
|
/// Indicates whether the current object is equal to the specified object. This calls the implementation from XenObject.
|
|
/// This implementation is required for ToStringWrapper.
|
|
/// </summary>
|
|
public bool Equals(Host other)
|
|
{
|
|
return base.Equals(other);
|
|
}
|
|
|
|
#endregion
|
|
}
|
|
}
|