mirror of
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89 lines
3.5 KiB
C#
89 lines
3.5 KiB
C#
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/* Copyright (c) Citrix Systems, Inc.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms,
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* with or without modification, are permitted provided
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* that the following conditions are met:
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*
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* * Redistributions of source code must retain the above
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* copyright notice, this list of conditions and the
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* following disclaimer.
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the
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* following disclaimer in the documentation and/or other
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* materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
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* CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
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* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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using System.Collections.Generic;
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using XenAdmin.Core;
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using XenAdmin.Wlb;
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using XenAPI;
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namespace XenAdmin.Actions.Wlb
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{
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public class WlbEvacuateRecommendationsAction : AsyncAction
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{
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public WlbEvacuateRecommendationsAction(Host host)
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: base(host.Connection, string.Format(Messages.WLB_RETRIEVING_EVACUATE_RECOMMENDATIONS, host.Name()), true)
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{
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Host = host;
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}
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public Dictionary<XenRef<VM>, string[]> CantEvacuateReasons = new Dictionary<XenRef<VM>, string[]>();
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protected override void Run()
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{
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Description = Messages.SCANNING_VMS;
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if (Helpers.WlbEnabled(Connection))
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CantEvacuateReasons = Host.retrieve_wlb_evacuate_recommendations(Session, Host.opaque_ref);
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if (CantEvacuateReasons == null || CantEvacuateReasons.Count == 0 || !ValidRecommendation(CantEvacuateReasons))
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CantEvacuateReasons = Host.get_vms_which_prevent_evacuation(Session, Host.opaque_ref);
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Description = Messages.COMPLETED;
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}
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private bool ValidRecommendation(Dictionary<XenRef<VM>, string[]> reasons)
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{
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List<Host> controlDomain = new List<Host>();
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foreach (KeyValuePair<XenRef<VM>, string[]> kvp in reasons)
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{
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if (Connection.Resolve(kvp.Key).is_control_domain)
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controlDomain.Add(Connection.Cache.Find_By_Uuid<Host>(kvp.Value[(int)RecProperties.ToHost]));
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}
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foreach (KeyValuePair<XenRef<VM>, string[]> kvp in reasons)
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{
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if (kvp.Value[0].Trim().ToLower() == "wlb")
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{
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Host toHost = Connection.Cache.Find_By_Uuid<Host>(kvp.Value[(int)RecProperties.ToHost]);
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if (!Connection.Resolve(kvp.Key).is_control_domain && !toHost.IsLive() && !controlDomain.Contains(toHost))
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{
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return false;
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}
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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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}
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