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937 lines
39 KiB
C#
937 lines
39 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.ComponentModel;
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using System.Drawing;
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using System.Data;
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using System.Text;
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using System.Threading;
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using System.Windows.Forms;
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using XenAdmin;
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using XenAdmin.Controls;
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using XenAdmin.Controls.CustomGridView;
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using XenAdmin.Core;
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using XenAdmin.Wlb;
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using XenAdmin.Network;
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using XenAdmin.XenSearch;
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using XenAPI;
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using XenAdmin.Actions;
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using XenAdmin.Actions.Wlb;
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using XenAdmin.Dialogs;
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using System.Drawing.Drawing2D;
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using XenAdmin.Commands;
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namespace XenAdmin.Controls.Wlb
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{
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public partial class WlbOptimizePool : UserControl
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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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private readonly ListViewColumnSorter columnSorter = new ListViewColumnSorter();
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private IXenObject _xenObject;
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private Pool _pool;
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private Dictionary<VM, WlbOptimizationRecommendation> _vmOptList = new Dictionary<VM, WlbOptimizationRecommendation>();
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private Dictionary<XenRef<VM>, string[]> _recommendations = new Dictionary<XenRef<VM>, string[]>();
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private string _optId = String.Empty;
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private bool _autoOptEnabled = false;
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private bool _powerManagementEnabled = false;
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// TODO: change to proper report file name
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private readonly string ReportFile = "pool_optimization_history";
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// All used in the listview.
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private readonly Font OperationTextFont;
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private readonly Color OperationTextColor;
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private readonly Color ShadedRowColor;
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private readonly Color DisabledShadedRowColor;
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// Listview minimum column widths
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private int[] minimumColumnWidths = { 0, 25, 25, 25 };
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/// <summary>
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/// Initialize optimize pool listview
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/// </summary>
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public WlbOptimizePool()
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{
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InitializeComponent();
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Host_CollectionChangedWithInvoke += Program.ProgramInvokeHandler(Host_CollectionChanged);
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VM_CollectionChangedWithInvoke=Program.ProgramInvokeHandler(VM_CollectionChanged);
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OperationTextFont = new Font(this.Font, FontStyle.Bold);
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OperationTextColor = Color.Black;
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ShadedRowColor = Color.FromArgb(230, 240, 255);
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DisabledShadedRowColor = Color.FromArgb(224, 222, 205);
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optimizePoolListView.SmallImageList = Images.ImageList16;
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optimizePoolListView.ListViewItemSorter = columnSorter;
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//linkLabelReportHistory.Visible = false;
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recommendationUpdateTimer = new System.Threading.Timer(TimerCallback, null, 0, 0);
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StartTimer();
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}
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#region public methods
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/// <summary>
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/// Set XenModelOpject and populate optimize pool listview properly
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/// </summary>
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public IXenObject XenObject
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{
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set
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{
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Program.AssertOnEventThread();
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if (_xenObject != null)
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{
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if (_xenObject is Pool)
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{
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this._pool.PropertyChanged -= Pool_PropertyChanged;
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_pool.Connection.Cache.DeregisterCollectionChanged<XenAPI.Host>(Host_CollectionChangedWithInvoke);
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foreach (Host host in _pool.Connection.Cache.Hosts)
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{
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host.PropertyChanged -= Host_PropertyChanged;
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host.Connection.Cache.DeregisterCollectionChanged<VM>(VM_CollectionChangedWithInvoke);
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foreach (VM vm in host.Connection.Cache.VMs)
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{
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vm.PropertyChanged -= VM_PropertyChanged;
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}
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}
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}
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}
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_xenObject = value;
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_pool = null;
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if (_xenObject != null)
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{
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if (_xenObject is Pool)
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{
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_pool = (Pool)_xenObject;
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this._pool.PropertyChanged += Pool_PropertyChanged;
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_pool.Connection.Cache.RegisterCollectionChanged<XenAPI.Host>(Host_CollectionChangedWithInvoke);
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foreach (Host host in _pool.Connection.Cache.Hosts)
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{
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host.PropertyChanged -= Host_PropertyChanged;
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host.PropertyChanged += Host_PropertyChanged;
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host.Connection.Cache.RegisterCollectionChanged<VM>(VM_CollectionChangedWithInvoke);
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foreach (VM vm in host.Connection.Cache.VMs)
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{
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vm.PropertyChanged -= VM_PropertyChanged;
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vm.PropertyChanged += VM_PropertyChanged;
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}
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}
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}
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}
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BuildRecList();
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}
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}
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public void SetOptControlProperties(bool powerManagementSupport, bool autoOptEnabled, bool powerManagementEnabled)
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{
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_autoOptEnabled = autoOptEnabled;
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_powerManagementEnabled = powerManagementEnabled;
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this.SuspendLayout();
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if ((powerManagementSupport) && (WlbServerState.GetState(_pool) == WlbServerState.ServerState.Enabled))
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{
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//linkLabelReportHistory.Visible = true;
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// Update listView VM/Host header text
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this.optimizePoolListView.BeginUpdate();
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this.columnHeader1.Text = Messages.WLB_OPT_HEADER_VMHOST;
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this.optimizePoolListView.EndUpdate();
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}
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else
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{
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//linkLabelReportHistory.Visible = false;
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// Update listView VM/Host header text
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this.optimizePoolListView.BeginUpdate();
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this.columnHeader1.Text = Messages.WLB_OPT_HEADER_VM;
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this.optimizePoolListView.EndUpdate();
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}
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this.ResumeLayout();
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}
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/// <summary>
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/// Called from wlb page, used to disable/enable optimize pool controls properly when WLB is Enabled/Disabled
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/// </summary>
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/// <param name="disable">disable controls if it's true, else enable controls</param>
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public void WLBOptDisable(bool disable)
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{
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optimizePoolListView.BeginUpdate();
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if (disable)
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{
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this.statusLabel.Visible = false;
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this.optimizePoolListView.Items.Clear();
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this.optimizePoolListView.Visible = true;
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this.optimizePoolListView.Enabled = false;
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this.applyButton.Visible = true;
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this.applyButton.Enabled = false;
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}
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else
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{
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if (!this.optimizePoolListView.Visible)
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{
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this.statusLabel.Visible = true;
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this.optimizePoolListView.Items.Clear();
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this.optimizePoolListView.Visible = true;
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this.applyButton.Visible = true;
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this.applyButton.Enabled = false;
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}
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else
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{
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this.optimizePoolListView.Enabled = true;
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if (this.optimizePoolListView.Items.Count > 0)
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this.applyButton.Enabled = true;
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else
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this.statusLabel.Visible = true;
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}
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}
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optimizePoolListView.EndUpdate();
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}
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#endregion
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// TODO: remove unused event handler
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#region Event Handlers
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// draw the gradient line, override OnPaint in System.Drawing.Drawing2D
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/*
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protected override void OnPaint(PaintEventArgs e)
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{
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base.OnPaint(e);
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using (Brush brush = new LinearGradientBrush(Point.Empty, new Point(this.Width / 2, 0), XenAdmin.TabPages.BaseTabPage.HeaderBorderColor, BackColor))
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{
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e.Graphics.FillRectangle(brush, 0, 20, this.Width / 2, 1);
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}
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}
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*/
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/// <summary>
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/// Triggered when pool wlb enabled/disabled and optimize pool
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/// </summary>
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/// <param name="sender">XenObject<Pool></param>
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/// <param name="e">PropertyChangedEventArgs</param>
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private void Pool_PropertyChanged(object sender, PropertyChangedEventArgs e)
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{
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Program.Invoke(this, delegate
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{
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if (_xenObject != null && Program.MainWindow.TheTabControl.SelectedTab == Program.MainWindow.TabPageWLB)
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{
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if (e.PropertyName == "wlb_enabled")
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{
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// enable/disble controls and display message properly
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WLBOptDisable(!Helpers.WlbEnabled(((Pool)sender).Connection));
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}
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if (e.PropertyName == "other_config")
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{
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// check whether it's optimize pool event
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if (((Pool)sender).other_config.ContainsKey(WlbOptimizationRecommendation.OPTIMIZINGPOOL))
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{
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BuildRecList();
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}
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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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/// Triggered when hosts leave/join pool
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/// </summary>
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/// <param name="sender">object</param>
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/// <param name="e">CollectionChangeEventArgs</param>
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private void Host_CollectionChanged(object sender, CollectionChangeEventArgs e)
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{
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switch (e.Action)
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{
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case CollectionChangeAction.Add:
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((Host)e.Element).PropertyChanged -= Host_PropertyChanged;
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((Host)e.Element).PropertyChanged += Host_PropertyChanged;
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break;
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case CollectionChangeAction.Remove:
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((Host)e.Element).PropertyChanged -= Host_PropertyChanged;
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break;
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}
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// It's not necessary to call BuildRecList here
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// because Remove/add Hosts also triger VM_CollectionChange,
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}
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/// <summary>
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/// respond to host name change and vms leaving/joining the host.
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/// </summary>
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/// <param name="sender">XenObject<Host></param>
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/// <param name="e">PropertyChangedEventArgs</param>
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private void Host_PropertyChanged(object sender, PropertyChangedEventArgs e)
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{
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if (_pool != null &&
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Helpers.WlbEnabled(_pool.Connection) &&
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applyButton.Enabled &&
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IsHostOnListView(((Host)sender), false))
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{
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if (e.PropertyName == "name_label")
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{
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optimizePoolListView.BeginUpdate();
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foreach (ListViewItem item in optimizePoolListView.Items)
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{
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UpdateRow(item);
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}
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optimizePoolListView.EndUpdate();
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}
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if ((e.PropertyName == "resident_VMs" && IsHostOnListView(((Host)sender), true))
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|| (e.PropertyName == "enabled" && !((Host)sender).enabled))
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{
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Program.Invoke(this, delegate()
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{
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BuildRecList();
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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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/// Check whether Host property change relates to optimize pool list view. Will return true if the host is on the list view.
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/// Must be called on the event thread.
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/// </summary>
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/// <param name="host">XenObject<Host></param>
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/// <param name="checkVMHost">Whether check VM host</param>
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/// <returns>True if host is on the optimize pool list view, else return false</returns>
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private bool IsHostOnListView(Host host, bool checkVMHost)
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{
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Program.AssertOnEventThread();
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bool onList = false;
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// should find if any vms that not on host but in listview
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foreach (ListViewItem item in optimizePoolListView.Items)
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{
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Host fromHost = ((WlbOptimizationRecommendation)item.Tag).fromHost;
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Host toHost = ((WlbOptimizationRecommendation)item.Tag).toHost;
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VM vm = ((WlbOptimizationRecommendation)item.Tag).vm;
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// whether check vm's host changes
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if (checkVMHost)
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{
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// update optimize pool listview if vm from host is to move to host
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if (vm.Connection.Resolve(vm.resident_on) == toHost)
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{
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onList = true;
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}
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}
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// whether host is related to optimize pool listview
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else if ((fromHost != null && fromHost == host)
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|| (toHost != null && toHost== host))
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{
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onList = true;
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}
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}
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return onList;
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}
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/// <summary>
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/// Triggered when vm collection is changed, pool is connected and optimize pool listview is visiable.
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/// </summary>
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/// <param name="sender">object</param>
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/// <param name="e">CollectionChangeEventArgs</param>
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private void VM_CollectionChanged(object sender, CollectionChangeEventArgs e)
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{
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Program.AssertOnEventThread();
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switch (e.Action)
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{
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case CollectionChangeAction.Add:
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((VM)e.Element).PropertyChanged -= VM_PropertyChanged;
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((VM)e.Element).PropertyChanged += VM_PropertyChanged;
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break;
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case CollectionChangeAction.Remove:
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((VM)e.Element).PropertyChanged -= VM_PropertyChanged;
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break;
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}
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// only continue if pool is connect and pool is not null
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if (_xenObject == null || !_xenObject.Connection.IsConnected)
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return;
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// only update recommendation listview if applyButton is enabled and a vm has been removed from collection
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if (applyButton.Enabled && e.Action == CollectionChangeAction.Remove)
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BuildRecList();
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}
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/// <summary>
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/// Triggered when vm state is changed
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/// </summary>
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/// <param name="sender">XenObject<VM></param>
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/// <param name="e">PropertyChangedEventArgs</param>
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private void VM_PropertyChanged(object sender, PropertyChangedEventArgs e)
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{
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Program.Invoke(Program.MainWindow, () =>
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{
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// Find row for VM
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ListViewItem item = FindItemFromVM((VM) sender);
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if (item != null)
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{
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optimizePoolListView.BeginUpdate();
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try
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{
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UpdateRow(item);
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}
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finally
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{
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optimizePoolListView.EndUpdate();
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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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/// Finds the ListViewItem for the given VM. Will return null if no corresponding item could be found.
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/// Must be called on the event thread.
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/// </summary>
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/// <param name="vm">XenObject<VM></param>
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/// <returns>Return when found listview item, null if nothing is found</returns>
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private ListViewItem FindItemFromVM(VM vm)
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{
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Program.AssertOnEventThread();
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foreach (ListViewItem item in optimizePoolListView.Items)
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{
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if (((WlbOptimizationRecommendation)item.Tag).vm == vm)
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{
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return item;
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}
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}
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return null;
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}
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/// <summary>
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/// Apply optimization to a pool
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/// </summary>
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/// <param name="sender">object</param>
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/// <param name="e">EventArgs</param>
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private void ButtonApply_Click(object sender, EventArgs e)
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{
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if (this._pool == null)
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return;
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applyButton.Enabled = false;
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action = HelpersGUI.FindActiveOptAction(_xenObject.Connection);
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if ((action != null && action.GetType() != typeof(WlbOptimizePoolAction)) || action == null)
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{
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new WlbOptimizePoolAction(_pool, _vmOptList, _optId).RunAsync();
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Program.MainWindow.UpdateToolbars();
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}
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}
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private void linkLabelReportHistory_LinkClicked(object sender, LinkLabelLinkClickedEventArgs e)
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{
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new ViewWorkloadReportsCommand(Program.MainWindow, _pool, ReportFile, true).Execute();
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}
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private static void UpdateRow(ListViewItem row)
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{
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try // In try block to fix CA-40197
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{
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Program.AssertOnEventThread();
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WlbOptimizationRecommendation optVMmSetting = (WlbOptimizationRecommendation)row.Tag;
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// update icon and vm/host name
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//row.ImageIndex = (int)Images.GetIconFor(optVMmSetting.vm);
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//row.SubItems[0].Text = optVMmSetting.vm.name_label;
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//row.SubItems[1].Text = optVMmSetting.fromHost.name_label;
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//row.SubItems[2].Text = optVMmSetting.toHost.name_label;
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if (String.IsNullOrEmpty(optVMmSetting.toHost.name_label) || String.IsNullOrEmpty(optVMmSetting.fromHost.name_label))
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{
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row.ImageIndex = (int)Images.GetIconFor(optVMmSetting.toHost ?? optVMmSetting.fromHost);
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row.SubItems[1].Text = Helpers.GetName(optVMmSetting.toHost ?? optVMmSetting.fromHost);
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row.SubItems[2].Text = optVMmSetting.toHost != null ? Messages.WLB_OPT_OPERATION_HOST_POWERON : Messages.WLB_OPT_REASON_POWEROFF;
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}
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else
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{
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row.ImageIndex = (int)Images.GetIconFor(optVMmSetting.vm);
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row.SubItems[1].Text = optVMmSetting.vm.name_label;
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row.SubItems[2].Text = String.Format(Messages.WLB_OPT_OPERATION_VM, optVMmSetting.fromHost.name_label, optVMmSetting.toHost.name_label);
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}
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row.SubItems[3].Text = optVMmSetting.reason;
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}
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catch(Exception ex)
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{
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log.Error(ex, ex);
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}
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}
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#endregion
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#region Refresh Timer
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private System.Threading.Timer recommendationUpdateTimer;
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private const int RECOMMENDATION_INITIAL_INTERVAL = 1000 * 5; // 5 seconds interval
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// Default to 2 minutes due to Kirkwood recommendation is generated every 2 minutes
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private const int RECOMMENDATION_UPDATE_INTERVAL = 1000 * 30; // 30 seconds interval
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AsyncAction action = null;
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/// <summary>
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/// start timer with 5 seconds interval
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/// </summary>
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private void StartTimer()
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{
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recommendationUpdateTimer.Change(RECOMMENDATION_INITIAL_INTERVAL, 0);
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}
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/// <summary>
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/// Timer call back, used to refresh optimize pool listview.
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/// Dispose if program exits, do nothing if wlb tab is not focused
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/// </summary>
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/// <param name="o">object</param>
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private void TimerCallback(object o)
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{
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if (recommendationUpdateTimer == null)
|
|
return;
|
|
|
|
if (Program.Exiting)
|
|
{
|
|
recommendationUpdateTimer.Dispose();
|
|
return;
|
|
}
|
|
|
|
if (Program.MainWindow != null && Program.MainWindow.WlbPage != null)
|
|
{
|
|
Program.Invoke(Program.MainWindow, delegate()
|
|
{
|
|
if (_xenObject != null && Program.MainWindow.TheTabControl.SelectedTab == Program.MainWindow.TabPageWLB
|
|
&& _pool != null &&_pool.Connection.IsConnected && _pool.Connection.Session != null)
|
|
{
|
|
BuildRecList();
|
|
}
|
|
});
|
|
}
|
|
recommendationUpdateTimer.Change(RECOMMENDATION_UPDATE_INTERVAL, 0);
|
|
}
|
|
#endregion
|
|
|
|
|
|
#region load optimizePoolListView properly
|
|
/// <summary>
|
|
/// Build optimize pool list view properly
|
|
/// </summary>
|
|
private void BuildRecList()
|
|
{
|
|
Program.AssertOnEventThread();
|
|
|
|
if(_xenObject == null)
|
|
return;
|
|
|
|
if (Helpers.WlbEnabled(_xenObject.Connection))
|
|
{
|
|
try
|
|
{
|
|
if (_xenObject is Pool)
|
|
{
|
|
_pool = (Pool)_xenObject;
|
|
|
|
// get any active WLB action
|
|
action = HelpersGUI.FindActiveWLBAction(_xenObject.Connection);
|
|
|
|
// make sure we are not initializing, starting or stopping WLB
|
|
if (action is DisableWLBAction || action is EnableWLBAction || action is InitializeWLBAction)
|
|
return;
|
|
|
|
optimizePoolListView.BeginUpdate();
|
|
|
|
// check whether optimize pool is running before load optimize pool listview
|
|
if ((action != null && action is WlbOptimizePoolAction)
|
|
|| (action == null && _pool.other_config.ContainsKey(WlbOptimizationRecommendation.OPTIMIZINGPOOL)
|
|
&& _pool.other_config[WlbOptimizationRecommendation.OPTIMIZINGPOOL] == Messages.IN_PROGRESS))
|
|
{
|
|
//statusLabel.Text = Messages.WLB_OPT_OPTIMIZING;
|
|
this.applyButton.Text = Messages.WLB_OPT_OPTIMIZING;
|
|
EnableControls(false, false);
|
|
}
|
|
else if (action == null || (action != null && action.GetType() != typeof(WlbRetrieveRecommendationAction)))
|
|
{
|
|
this.applyButton.Text = Messages.WLB_OPT_APPLY_RECOMMENDATIONS;
|
|
// retrieve recommendations, and load optimize pool listview properly
|
|
WlbRetrieveRecommendationAction optAction = new WlbRetrieveRecommendationAction(_pool);
|
|
optAction.Completed += this.OptRecRetrieveAction_Completed;
|
|
optAction.RunAsync();
|
|
}
|
|
}
|
|
}
|
|
catch (Failure f)
|
|
{
|
|
statusLabel.Text = Messages.WLB_OPT_LOADING_ERROR;
|
|
log.Error(f, f);
|
|
}
|
|
catch (Exception e)
|
|
{
|
|
statusLabel.Text = Messages.WLB_OPT_LOADING_ERROR;
|
|
log.ErrorFormat("There was an error calling retrieve_wlb_recommendations on pool {0}", _pool.name_label);
|
|
log.Error(e, e);
|
|
}
|
|
|
|
finally
|
|
{
|
|
optimizePoolListView.EndUpdate();
|
|
}
|
|
}
|
|
else
|
|
{
|
|
this.WLBOptDisable(true);
|
|
}
|
|
}
|
|
|
|
/// <summary>
|
|
/// Retrieve wlb optimize pool recommendation action complete handler.
|
|
/// Populate optimize pool listview and enable controls properly.
|
|
/// </summary>
|
|
/// <param name="sender">object</param>
|
|
/// <param name="e">e</param>
|
|
protected void OptRecRetrieveAction_Completed(ActionBase sender)
|
|
{
|
|
AsyncAction action = (AsyncAction)sender;
|
|
if (action.IsCompleted)
|
|
{
|
|
action.Completed -= OptRecRetrieveAction_Completed;
|
|
|
|
if (action is WlbRetrieveRecommendationAction)
|
|
{
|
|
WlbRetrieveRecommendationAction thisAction = (WlbRetrieveRecommendationAction)action;
|
|
_recommendations = thisAction.WLBOptPoolRecommendations;
|
|
if (_recommendations != null && IsGoodRecommendation(_recommendations) && _xenObject.Connection == action.Connection)
|
|
{
|
|
Program.Invoke(this, delegate()
|
|
{
|
|
PopulateData(_recommendations);
|
|
|
|
// In case optimizePoolListView is empty
|
|
if (optimizePoolListView.Items.Count == 0)
|
|
{
|
|
statusLabel.Text = Messages.WLB_OPT_POOL_NO_RECOMMENDATION;
|
|
EnableControls(true, false);
|
|
}
|
|
else
|
|
EnableControls(false, true);
|
|
});
|
|
}
|
|
else
|
|
{
|
|
Program.Invoke(this, delegate()
|
|
{
|
|
statusLabel.Text = Messages.WLB_OPT_POOL_NO_RECOMMENDATION;
|
|
EnableControls(true, false);
|
|
});
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/// <summary>
|
|
/// Check if there are recommendations and verify if recommendations are valid and good;
|
|
/// return false if no valid recommendations
|
|
/// </summary>
|
|
/// <param name="recommendations">Optimize pool recommendations</param>
|
|
/// <returns>true if recommendations are valid, else return false</returns>
|
|
private bool IsGoodRecommendation(Dictionary<XenRef<VM>, string[]> recommendations)
|
|
{
|
|
bool goodRec = false;
|
|
|
|
if (recommendations != null)
|
|
{
|
|
foreach (KeyValuePair<XenRef<VM>, string[]> rec in recommendations)
|
|
{
|
|
// make sure at least one recommendation is good
|
|
if (rec.Value[(int)RecProperties.WLB].Trim().ToLower() == "wlb")
|
|
{
|
|
// get opt id from new recommendations
|
|
_optId = rec.Value[(int)RecProperties.OptId];
|
|
|
|
// get opt id of the most recent optimized action from pool's other configuration property
|
|
string optimizeId = String.Empty;
|
|
(Helpers.GetOtherConfig(this._pool)).TryGetValue(WlbOptimizationRecommendation.OPTIMIZINGPOOL, out optimizeId);
|
|
|
|
// make sure pool's recommendations are not old/just optimized recommendations
|
|
if (optimizeId != _optId)
|
|
{
|
|
goodRec = true;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
return goodRec;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Checks to see if all the wlb recommendations are for PowerOff or PowerOn operations
|
|
/// </summary>
|
|
/// <param name="recommendations"></param>
|
|
/// <returns></returns>
|
|
private bool IsPowerOnlyRecommendation(Dictionary<XenRef<VM>, string[]> recommendations)
|
|
{
|
|
bool powerOnly = true;
|
|
|
|
if (recommendations != null)
|
|
{
|
|
foreach (KeyValuePair<XenRef<VM>, string[]> rec in recommendations)
|
|
{
|
|
if (rec.Value[(int)RecProperties.WLB].Trim().ToLower() == "wlb" &&
|
|
!(rec.Value[(int)RecProperties.Reason].Trim().ToLower().StartsWith("power")))
|
|
{
|
|
powerOnly = false;
|
|
}
|
|
}
|
|
}
|
|
|
|
return powerOnly;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Populate optimize pool listview properly
|
|
/// </summary>
|
|
/// <param name="recommendations">optimize pool recommendations</param>
|
|
private void PopulateData(Dictionary<XenRef<VM>, string[]> recommendations)
|
|
{
|
|
Program.AssertOnEventThread();
|
|
|
|
optimizePoolListView.BeginUpdate();
|
|
try
|
|
{
|
|
if (_vmOptList != null)
|
|
_vmOptList.Clear();
|
|
|
|
optimizePoolListView.Items.Clear();
|
|
List<ListViewItem> newItems = new List<ListViewItem>();
|
|
|
|
WlbOptimizationRecommendationCollection sortedRecommendations = new WlbOptimizationRecommendationCollection(_pool, recommendations);
|
|
|
|
// WLB: recommendation return string format ["WLB"; vm/vm dom0; optId; recID; reason]
|
|
|
|
foreach (WlbOptimizationRecommendation optVmSetting in sortedRecommendations)
|
|
{
|
|
_optId = optVmSetting.optId.ToString();
|
|
_vmOptList.Add(optVmSetting.vm, optVmSetting);
|
|
|
|
ListViewItem row = new ListViewItem();
|
|
row.Tag = optVmSetting;
|
|
newItems.Add(row);
|
|
|
|
row.SubItems.Add(new ListViewItem.ListViewSubItem());
|
|
row.SubItems.Add(new ListViewItem.ListViewSubItem());
|
|
row.SubItems.Add(new ListViewItem.ListViewSubItem());
|
|
row.SubItems.Add(new ListViewItem.ListViewSubItem());
|
|
|
|
// Power on/off hosts
|
|
if (optVmSetting.toHost == null)
|
|
{
|
|
row.ImageIndex = (int)Images.GetIconFor(optVmSetting.toHost != null ? optVmSetting.toHost : optVmSetting.fromHost);
|
|
row.SubItems[1].Text = Helpers.GetName(optVmSetting.toHost != null ? optVmSetting.toHost : optVmSetting.fromHost);
|
|
row.SubItems[2].Text = optVmSetting.powerOperation;
|
|
}
|
|
else // VMs
|
|
{
|
|
row.ImageIndex = (int)Images.GetIconFor(optVmSetting.vm);
|
|
row.SubItems[1].Text = Helpers.GetName(optVmSetting.vm);
|
|
row.SubItems[2].Text = String.Format(Messages.WLB_OPT_OPERATION_VM, Helpers.GetName(optVmSetting.fromHost), Helpers.GetName(optVmSetting.toHost));
|
|
}
|
|
row.SubItems[3].Text = optVmSetting.reason;
|
|
}
|
|
|
|
optimizePoolListView.Items.AddRange(newItems.ToArray());
|
|
}
|
|
finally
|
|
{
|
|
optimizePoolListView.EndUpdate();
|
|
}
|
|
}
|
|
|
|
/// <summary>
|
|
/// Enable optimize pool controls properly
|
|
/// </summary>
|
|
/// <param name="enable">enable controls if it's true, otherwise it's false </param>
|
|
private void EnableControls(bool enableLabel, bool enableButton)
|
|
{
|
|
// Rules for enabling the button:
|
|
// Passed RBAC checks, and
|
|
// If we are not in automatic mode, or
|
|
// ( We are in automatic mode, and
|
|
// We are in automated mode but PowerManagement is not enabled, and
|
|
// All recommdations are power-related)
|
|
|
|
if (enableLabel)
|
|
{
|
|
optimizePoolListView.Items.Clear();
|
|
}
|
|
optimizePoolListView.Visible = true;
|
|
optimizePoolListView.Enabled = PassedRbacChecks();
|
|
|
|
statusLabel.Visible = enableLabel;
|
|
|
|
applyButton.Visible = true;
|
|
//if ((_autoOptEnabled && _powerManagementEnabled) || !PassedRbacChecks())
|
|
if (PassedRbacChecks() &&
|
|
(!_autoOptEnabled ||
|
|
(_autoOptEnabled && !_powerManagementEnabled && IsPowerOnlyRecommendation(_recommendations))))
|
|
{
|
|
applyButton.Enabled = enableButton;
|
|
}
|
|
else
|
|
{
|
|
applyButton.Enabled = false;
|
|
}
|
|
|
|
}
|
|
|
|
private RbacMethodList WLB_PERMISSION_CHECKS = new RbacMethodList(
|
|
"pool.initialize_wlb",
|
|
"pool.set_wlb_enabled",
|
|
"pool.send_wlb_configuration"
|
|
);
|
|
|
|
private readonly CollectionChangeEventHandler Host_CollectionChangedWithInvoke;
|
|
private readonly CollectionChangeEventHandler VM_CollectionChangedWithInvoke;
|
|
|
|
private bool PassedRbacChecks()
|
|
{
|
|
return Role.CanPerform(WLB_PERMISSION_CHECKS, this._pool.Connection);
|
|
}
|
|
#endregion
|
|
|
|
|
|
#region OptimizePoolListView item drawing event and colum event handlers
|
|
/// <summary>
|
|
/// Draw default column header
|
|
/// </summary>
|
|
/// <param name="sender">object</param>
|
|
/// <param name="e">DrawListViewColumnHeaderEventArgs</param>
|
|
private void OptimizePoolListView_DrawColumnHeader(object sender, DrawListViewColumnHeaderEventArgs e)
|
|
{
|
|
// Draw default column header
|
|
e.DrawDefault = true;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Draw items on optimize pool listview properly
|
|
/// </summary>
|
|
/// <param name="sender">object</param>
|
|
/// <param name="e">DrawListViewItemEventArgs</param>
|
|
private void OptimizePoolListView_DrawItem(object sender, DrawListViewItemEventArgs e)
|
|
{
|
|
// Fill the full width of the control, not just to the end of the column headers.
|
|
Rectangle r = e.Bounds;
|
|
int i = 0;
|
|
foreach (ColumnHeader col in optimizePoolListView.Columns)
|
|
{
|
|
i += col.Width;
|
|
}
|
|
// Fill from the right of the rightmost item to the end of the control
|
|
r.Width = Math.Max(i, optimizePoolListView.ClientSize.Width);
|
|
r.X = i;
|
|
|
|
using (Brush backBrush = new SolidBrush(e.Item.Index % 2 == 1 ? ShadedRowColor : SystemColors.Window))
|
|
e.Graphics.FillRectangle(backBrush, r);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Draw sub items in optimize pool list view
|
|
/// </summary>
|
|
/// <param name="sender">object</param>
|
|
/// <param name="e">DrawListViewSubItemEventArgs</param>
|
|
private void OptimizePoolListView_DrawSubItem(object sender, DrawListViewSubItemEventArgs e)
|
|
{
|
|
Rectangle rect = e.Bounds;
|
|
using (Brush backBrush = new SolidBrush(e.Item.Index % 2 == 1 ? ShadedRowColor : SystemColors.Window))
|
|
e.Graphics.FillRectangle(backBrush, rect);
|
|
|
|
Color fontColor = Color.Black;
|
|
|
|
if (e.ColumnIndex == 2)
|
|
{
|
|
TextRenderer.DrawText(e.Graphics, e.Item.SubItems[e.ColumnIndex].Text, OperationTextFont, e.Bounds, OperationTextColor, TextFormatFlags.EndEllipsis);
|
|
}
|
|
else if (e.ColumnIndex == 3)
|
|
{
|
|
TextRenderer.DrawText(e.Graphics, e.Item.SubItems[e.ColumnIndex].Text, this.Font, e.Bounds, fontColor, TextFormatFlags.EndEllipsis);
|
|
}
|
|
else
|
|
{
|
|
DrawSubItem1(fontColor, e);
|
|
}
|
|
}
|
|
|
|
|
|
private void DrawSubItem1(Color fontColor, DrawListViewSubItemEventArgs e)
|
|
{
|
|
Image icon = e.Item.ImageList.Images[e.Item.ImageIndex];
|
|
Point p = new Point(e.Bounds.Left, e.Bounds.Top + (e.Bounds.Height - icon.Height) / 2);
|
|
|
|
// Draw normally
|
|
e.Graphics.DrawImageUnscaled(icon, p);
|
|
|
|
Point p2 = new Point(p.X + icon.Width + 2, p.Y);
|
|
Rectangle r = new Rectangle(p2.X, p2.Y, e.Bounds.Right - p2.X, e.Bounds.Height);
|
|
TextRenderer.DrawText(e.Graphics, e.Item.SubItems[e.ColumnIndex].Text, this.Font, r, fontColor, TextFormatFlags.EndEllipsis);
|
|
}
|
|
|
|
private void optimizePoolListView_ColumnWidthChanged(object sender, ColumnWidthChangedEventArgs e)
|
|
{
|
|
//Maintain a minimum column widths
|
|
|
|
|
|
if (minimumColumnWidths.Length>=e.ColumnIndex &&
|
|
optimizePoolListView.Columns[e.ColumnIndex].Width < minimumColumnWidths[e.ColumnIndex])
|
|
{
|
|
optimizePoolListView.Columns[e.ColumnIndex].Width = minimumColumnWidths[e.ColumnIndex];
|
|
}
|
|
}
|
|
#endregion
|
|
|
|
|
|
|
|
}
|
|
}
|