mirror of
https://github.com/xcp-ng/xenadmin.git
synced 2024-12-23 08:56:02 +01:00
f8e47e82b5
- changes following code review - added some more logging of exceptions, also some null checks Signed-off-by: Mihaela Stoica <mihaela.stoica@citrix.com>
576 lines
20 KiB
C#
576 lines
20 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.Linq;
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using System.Net;
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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 Pool : IComparable<Pool>, IEquatable<Pool>
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{
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public override string ToString()
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{
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return Name;
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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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return name_description;
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}
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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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if (name_label != "")
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return name_label;
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if (Connection == null)
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return string.Empty;
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Host master = Connection.Resolve(this.master);
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return master == null ? "" : master.Name;
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}
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}
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internal override string LocationString
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{
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get
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{
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return string.Empty;
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}
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}
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public List<SR> GetHAHeartbeatSRs()
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{
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List<SR> result = new List<SR>();
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foreach (string opaqueRef in ha_statefiles)
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{
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XenRef<VDI> vdiRef = new XenRef<VDI>(opaqueRef);
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VDI vdi = Connection.Resolve(vdiRef);
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if (vdi == null)
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continue;
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SR sr = vdi.Connection.Resolve(vdi.SR);
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if (sr != null)
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result.Add(sr);
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}
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return result;
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}
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public bool IsMasterUpgraded
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{
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get
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{
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Host master = Helpers.GetMaster(this);
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foreach (var host in this.Connection.Cache.Hosts)
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{
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if (host.LongProductVersion != master.LongProductVersion)
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return true;
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}
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return false;
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}
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}
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public string LicenseString
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{
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get
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{
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if (Helpers.MidnightRideOrGreater(Connection))
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{
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var hosts = new List<Host>(Connection.Cache.Hosts);
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foreach (Host.Edition edition in Enum.GetValues(typeof(Host.Edition)))
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{
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Host.Edition edition1 = edition;
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Host host = hosts.Find(h => h.edition == Host.GetEditionText(edition1));
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if (host != null)
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{
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return Helpers.GetFriendlyLicenseName(host);
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}
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}
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return PropertyManager.GetFriendlyName("Label-host.edition-free");
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}
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else
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{
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Host lowestLicenseHost = null;
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string lowestLicense = "";
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foreach (Host host in this.Connection.Cache.Hosts)
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{
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string sku = host.license_params.ContainsKey("sku_type") ? host.license_params["sku_type"].Replace(" ", "_").ToLowerInvariant() : "xe_express";
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//Express
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if (sku.EndsWith("xe_express"))
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{
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lowestLicenseHost = host;
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lowestLicense = sku;
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break;
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}
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// Server
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if (sku.EndsWith("xe_server") && lowestLicense.EndsWith("xe_enterprise"))
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{
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lowestLicenseHost = host;
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lowestLicense = sku;
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}
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// Enterprise
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if (lowestLicense == "")
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{
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lowestLicenseHost = host;
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lowestLicense = sku;
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}
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}
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if (lowestLicense.EndsWith("xe_express"))
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{
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return PropertyManager.GetFriendlyName("Label-host.sku_type-FG-xe_express");
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}
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else
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{
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return Helpers.GetFriendlyLicenseName(lowestLicenseHost);
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}
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}
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}
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}
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/// <summary>
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/// Determine whether the given pool is a visible pool, i.e. not a pool-of-one.
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/// </summary>
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/// <param name="ThePool"></param>
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/// <returns></returns>
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public bool IsVisible
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{
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get
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{
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return Connection != null && (name_label != "" || Connection.Cache.HostCount > 1);
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}
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}
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private const String ROLLING_UPGRADE_IN_PROGRESS = "rolling_upgrade_in_progress";
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public bool RollingUpgrade
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{
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get
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{
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return other_config != null && other_config.ContainsKey(ROLLING_UPGRADE_IN_PROGRESS);
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}
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}
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public static Dictionary<string, string> retrieve_wlb_default_configuration(Session session)
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{
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return Maps.convert_from_proxy_string_string(session.proxy.pool_retrieve_wlb_configuration("default").parse());
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}
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public string GetXCPluginSecret(string plugin_name, IXenObject obj)
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{
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return Get(gui_config, XCPluginSecretName(plugin_name, obj));
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}
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public void RemoveXCPluginSecret(Session session, string plugin_name, IXenObject obj)
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{
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Pool.remove_from_gui_config(session, opaque_ref, XCPluginSecretName(plugin_name, obj));
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}
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public void SetXCPluginSecret(Session session, string plugin_name, IXenObject obj, string secret_uuid)
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{
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string n = XCPluginSecretName(plugin_name, obj);
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Pool.remove_from_gui_config(session, opaque_ref, n);
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Pool.add_to_gui_config(session, opaque_ref, n, secret_uuid);
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}
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private string XCPluginSecretName(string plugin_name, IXenObject obj)
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{
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return string.Format("XC_PLUGIN_SECRET_{0}_{1}_{2}", obj.Connection.Username, plugin_name, Helpers.GetUuid(obj));
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}
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public void ClearStorageLinkCredentials()
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{
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var otherConfig = new Dictionary<string, string>(other_config);
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otherConfig.Remove("storagelink_host");
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otherConfig.Remove("storagelink_user");
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otherConfig.Remove("storagelink_password_secret");
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Pool.set_other_config(Connection.Session, opaque_ref, otherConfig);
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}
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public void SetStorageLinkCredentials(string host, string username, string password)
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{
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var otherConfig = new Dictionary<string, string>(other_config);
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if (host == null)
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{
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otherConfig.Remove("storagelink_host");
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}
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else
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{
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otherConfig["storagelink_host"] = host;
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}
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if (username == null)
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{
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otherConfig.Remove("storagelink_user");
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}
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else
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{
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otherConfig["storagelink_user"] = username;
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}
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if (password == null)
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{
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otherConfig.Remove("storagelink_password_secret");
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}
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else if (otherConfig.ContainsKey("storagelink_password_secret"))
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{
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try
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{
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string secretRef = Secret.get_by_uuid(Connection.Session, otherConfig["storagelink_password_secret"]);
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Secret.set_value(Connection.Session, secretRef, password);
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}
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catch (Failure)
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{
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otherConfig["storagelink_password_secret"] = Secret.CreateSecret(Connection.Session, password);
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}
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catch (WebException)
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{
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otherConfig["storagelink_password_secret"] = Secret.CreateSecret(Connection.Session, password);
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}
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}
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else
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{
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otherConfig["storagelink_password_secret"] = Secret.CreateSecret(Connection.Session, password);
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}
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Pool.set_other_config(Connection.Session, opaque_ref, otherConfig);
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}
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public string StorageLinkHost
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{
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get
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{
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string host;
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other_config.TryGetValue("storagelink_host", out host);
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return host;
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}
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}
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public string StorageLinkUsername
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{
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get
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{
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string user;
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other_config.TryGetValue("storagelink_user", out user);
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return user;
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}
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}
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public StorageLinkCredentials GetStorageLinkCredentials()
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{
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if (other_config != null && Helpers.MidnightRideOrGreater(Connection) && !Helpers.BostonOrGreater(Connection))
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{
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var otherConfig = new Dictionary<string, string>(other_config);
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string host, user, passwordSecret;
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otherConfig.TryGetValue("storagelink_host", out host);
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otherConfig.TryGetValue("storagelink_user", out user);
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otherConfig.TryGetValue("storagelink_password_secret", out passwordSecret);
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return new StorageLinkCredentials(Connection, host, user, null, passwordSecret);
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}
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return null;
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}
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// Whether the vSwitch Controller appears to be configured.
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// (Note that we can't tell whether it's actually working properly through the API).
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public bool vSwitchController
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{
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get
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{
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if (string.IsNullOrEmpty(vswitch_controller))
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return false;
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foreach (Host h in Connection.Cache.Hosts)
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{
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if (!Helpers.CowleyOrGreater(h) ||
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Host.RestrictVSwitchController(h) ||
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!h.software_version.ContainsKey("network_backend") ||
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h.software_version["network_backend"] != "openvswitch")
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{
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return false;
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}
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}
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return true;
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}
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}
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public List<XenAPI.Host> HostsToUpgrade
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{
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get
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{
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//First one to upgrade has to be the master
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var master = Helpers.GetMaster(Connection);
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List<XenAPI.Host> result = IsMasterUpgraded
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? Connection.Cache.Hosts.Where(host => host.LongProductVersion != master.LongProductVersion).ToList()
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: Connection.Cache.Hosts.ToList();
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result.Sort();
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return result;
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}
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}
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public bool IsPoolFullyUpgraded
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{
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get
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{
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Host master = Helpers.GetMaster(this);
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foreach (var host in this.Connection.Cache.Hosts)
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{
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if (host.LongProductVersion != master.LongProductVersion)
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return false;
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}
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return true;
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}
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}
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public Host SmallerVersionHost
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{
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get
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{
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Host hostWithSmallerVersion = null;
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foreach (var host in this.Connection.Cache.Hosts)
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{
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if (hostWithSmallerVersion == null)
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hostWithSmallerVersion = host;
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else if (Helpers.productVersionCompare(hostWithSmallerVersion.ProductVersion, host.ProductVersion) > 0)
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hostWithSmallerVersion = host;
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}
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return hostWithSmallerVersion;
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}
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}
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public virtual int CpuSockets
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{
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get { return Connection.Cache.Hosts.Sum(h => h.CpuSockets); }
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}
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public bool HasGpu
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{
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get { return Connection.Cache.PGPUs.Length > 0; }
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}
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public bool HasVGpu
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{
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get { return HasGpu && Connection.Cache.PGPUs.Any(pGpu => pGpu.HasVGpu); }
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}
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#region CallHome settings
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public CallHomeSettings CallHomeSettings
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{
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get
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{
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return new CallHomeSettings(gui_config);
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}
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}
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#endregion
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#region IEquatable<Pool> Members
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/// <summary>
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/// Indicates whether the current object is equal to the specified object. This calls the implementation from XenObject.
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/// This implementation is required for ToStringWrapper.
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/// </summary>
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public bool Equals(Pool other)
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{
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return base.Equals(other);
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}
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#endregion
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}
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public enum CallHomeStatus
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{
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Disabled, Enabled, Undefined
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}
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public class CallHomeSettings
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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 CallHomeStatus Status;
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public int IntervalInDays, TimeOfDay, RetryInterval;
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public DayOfWeek DayOfWeek;
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public string UploadTokenSecretUuid;
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public const int DefaultRetryInterval = 7;
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public const string STATUS = "CallHome.Enrollment";
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public const string INTERVAL_IN_DAYS = "CallHome.Schedule.IntervalInDays";
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public const string DAY_OF_WEEK = "CallHome.Schedule.DayOfWeek";
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public const string TIME_OF_DAY = "CallHome.Schedule.TimeOfDay";
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public const string RETRY_INTERVAL = "CallHome.Schedule.RetryInterval";
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public const string UPLOAD_TOKEN_SECRET = "CallHome.UploadToken.Secret";
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public CallHomeSettings(CallHomeStatus status, int intervalInDays, DayOfWeek dayOfWeek, int timeOfDay, int retryInterval)
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{
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Status = status;
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IntervalInDays = intervalInDays;
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DayOfWeek = dayOfWeek;
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TimeOfDay = timeOfDay;
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RetryInterval = retryInterval;
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}
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public CallHomeSettings(Dictionary<string, string> config)
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{
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Status = config == null || !config.ContainsKey(STATUS)
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? CallHomeStatus.Undefined
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: (BoolKey(config, STATUS) ? CallHomeStatus.Enabled : CallHomeStatus.Disabled);
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IntervalInDays = IntKey(config, INTERVAL_IN_DAYS, 14);
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if (!Enum.TryParse(Get(config, DAY_OF_WEEK), out DayOfWeek))
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DayOfWeek = (DayOfWeek) GetDefaultDay();
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TimeOfDay = IntKey(config, TIME_OF_DAY, GetDefaultTime());
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RetryInterval = IntKey(config, RETRY_INTERVAL, 7);
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UploadTokenSecretUuid = Get(config, UPLOAD_TOKEN_SECRET);
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}
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public Dictionary<string, string> ToDictionary(Dictionary<string, string> baseDictionary)
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{
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var newConfig = baseDictionary == null ? new Dictionary<string, string>() : new Dictionary<string, string>(baseDictionary);
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newConfig[STATUS] = Status == CallHomeStatus.Enabled ? "true" : "false";
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newConfig[INTERVAL_IN_DAYS] = IntervalInDays.ToString();
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var day = (int) DayOfWeek;
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newConfig[DAY_OF_WEEK] = day.ToString();
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newConfig[TIME_OF_DAY] = TimeOfDay.ToString();
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newConfig[RETRY_INTERVAL] = RetryInterval.ToString();
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newConfig[UPLOAD_TOKEN_SECRET] = UploadTokenSecretUuid;
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return newConfig;
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}
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public int IntervalInWeeks { get { return IntervalInDays / 7; } }
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public string StatusDescription
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{
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get
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{
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return Status == CallHomeStatus.Enabled
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? Messages.CALLHOME_STATUS_NOT_AVAILABLE_YET
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: Messages.CALLHOME_STATUS_NOT_ENROLLED;
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}
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}
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#region Helper functions
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private static T Get<T>(Dictionary<string, T> d, string k) where T : class
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{
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return d != null && d.ContainsKey(k) ? d[k] : null;
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}
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private static bool BoolKey(Dictionary<string, string> d, string k)
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{
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string v = Get(d, k);
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return v == null ? false : v == "true";
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}
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private static int IntKey(Dictionary<string, string> d, string k, int def)
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{
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int result;
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string s = Get(d, k);
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return s != null && int.TryParse(s, out result) ? result : def;
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}
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private static int GetDefaultDay()
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{
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return new Random().Next(1, 7);
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}
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private static int GetDefaultTime()
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{
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return new Random().Next(1, 5);
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}
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#endregion
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public string GetUploadToken(IXenConnection connection)
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{
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if (connection == null || string.IsNullOrEmpty(UploadTokenSecretUuid))
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return null;
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try
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{
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string opaqueref = Secret.get_by_uuid(connection.Session, UploadTokenSecretUuid);
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return Secret.get_value(connection.Session, opaqueref);
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}
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catch (Exception e)
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{
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log.Error("Exception getting the upload token from the xapi secret", e);
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return null;
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}
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}
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public string GetExistingUploadToken(IXenConnection connection)
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{
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if (connection == null)
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return null;
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string token = GetUploadToken(connection);
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if (string.IsNullOrEmpty(token))
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token = GetUploadTokenFromOtherConnections(connection);
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return token;
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}
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private static string GetUploadTokenFromOtherConnections(IXenConnection currentConnection)
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{
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foreach (var connection in ConnectionsManager.XenConnectionsCopy)
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{
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if (connection == currentConnection || !connection.IsConnected)
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continue;
|
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var poolOfOne = Helpers.GetPoolOfOne(connection);
|
|
if (poolOfOne != null)
|
|
{
|
|
var token = poolOfOne.CallHomeSettings.GetUploadToken(connection);
|
|
if (!string.IsNullOrEmpty(token))
|
|
return token;
|
|
}
|
|
}
|
|
return null;
|
|
}
|
|
}
|
|
}
|