mirror of
https://github.com/xcp-ng/xenadmin.git
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560 lines
23 KiB
C#
560 lines
23 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.Globalization;
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using System.Linq;
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using System.Text;
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using System.Windows.Forms;
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using System.Text.RegularExpressions;
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using XenAdmin.Core;
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using XenAPI;
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using XenAdmin.Alerts;
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using XenAdmin.Actions;
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using XenAdmin.Controls;
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using System.Diagnostics;
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namespace XenAdmin.SettingsPanels
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{
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public partial class PerfmonAlertEditPage : UserControl, IEditPage
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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 IXenObject _XenObject;
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private readonly ToolTip m_invalidParamToolTip;
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private readonly AlertGroup cpuAlert;
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private readonly AlertGroup netAlert;
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private readonly AlertGroup diskAlert;
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private readonly AlertGroup memoryAlert;
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private readonly AlertGroup srAlert;
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private readonly AlertGroup dom0MemoryAlert;
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private readonly AlertGroup physicalUtilisationAlert;
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public PerfmonAlertEditPage()
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{
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InitializeComponent();
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Text = Messages.ALERTS;
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m_invalidParamToolTip = new ToolTip
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{
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IsBalloon = true,
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ToolTipIcon = ToolTipIcon.Warning,
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ToolTipTitle = Messages.INVALID_PARAMETER
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};
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////xapi trigger level is a fraction; gui shows percentage
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cpuAlert = new AlertGroup(CPUAlertCheckBox, CpuGroupBox,
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nudCPUUsagePercent, nudCPUDurationThreshold, nudAlertInterval,
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new[] { cpuMinutesLabel, cpuPercentLabel, CPUUsagePercentLabel, CPUDurationThresholdLabel })
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{
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AlertEnablementChanged = SetAlertIntervalEnablement,
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SubTextFormat = Messages.ALERT_CPUS_SUB_TEXT,
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PerfmonDefinitionName = PerfmonDefinition.ALARM_TYPE_CPU,
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XapiToGuiTriggerLevel = (num => num * 100),
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XapiToGuiTriggerPeriod = (num => num / 60),
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XapiToGuiAlertInterval = (num => num / 60),
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GuiToXapiTriggerLevel = (num => num / 100),
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GuiToXapiTriggerPeriod = (num => num * 60),
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GuiToXapiAlertInterval = (num => num * 60),
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};
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//xapi trigger level is in B/s; gui shows KB/s
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netAlert = new AlertGroup(NetAlertCheckBox, NetGroupBox,
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nudNetUsagePercent, nudNetDurationThreshold, nudAlertInterval,
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new[] { NetMinutesLabel, NetPercentLabel, NetUsagePercentLabel, NetDurationThresholdLabel })
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{
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AlertEnablementChanged = SetAlertIntervalEnablement,
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SubTextFormat = Messages.ALERT_NET_SUB_TEXT,
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PerfmonDefinitionName = PerfmonDefinition.ALARM_TYPE_NETWORK,
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XapiToGuiTriggerLevel = (num => num / 1024),
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XapiToGuiTriggerPeriod = (num => num / 60),
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XapiToGuiAlertInterval = (num => num / 60),
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GuiToXapiTriggerLevel = (num => num * 1024),
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GuiToXapiTriggerPeriod = (num => num * 60),
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GuiToXapiAlertInterval = (num => num * 60),
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};
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//xapi trigger level is in B/s; gui shows KB/s
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diskAlert = new AlertGroup(DiskAlertCheckBox, DiskGroupBox,
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nudDiskUsagePercent, nudDiskDurationThreshold, nudAlertInterval,
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new[] { DiskMinutesLabel, DiskPercentLabel, DiskUsagePercentLabel, DiskDurationThresholdLabel })
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{
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AlertEnablementChanged = SetAlertIntervalEnablement,
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SubTextFormat = Messages.ALERT_DISK_SUB_TEXT,
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PerfmonDefinitionName = PerfmonDefinition.ALARM_TYPE_DISK,
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XapiToGuiTriggerLevel = (num => num / 1024),
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XapiToGuiTriggerPeriod = (num => num / 60),
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XapiToGuiAlertInterval = (num => num / 60),
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GuiToXapiTriggerLevel = (num => num * 1024),
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GuiToXapiTriggerPeriod = (num => num * 60),
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GuiToXapiAlertInterval = (num => num * 60),
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};
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//xapi trigger level is in kiB; gui shows MB
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memoryAlert = new AlertGroup(MemoryAlertCheckBox, MemoryGroupBox,
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nudMemoryUsage, nudMemoryDurationThreshold, nudAlertInterval,
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new[] { memoryMinutesLabel, memoryUsageLabel, memoryUnitsLabel, memoryDurationThresholdLabel })
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{
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AlertEnablementChanged = SetAlertIntervalEnablement,
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SubTextFormat = Messages.ALERT_MEMORY_SUB_TEXT,
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PerfmonDefinitionName = PerfmonDefinition.ALARM_TYPE_MEMORY_FREE,
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XapiToGuiTriggerLevel = (num => num / 1024),
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XapiToGuiTriggerPeriod = (num => num / 60),
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XapiToGuiAlertInterval = (num => num / 60),
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GuiToXapiTriggerLevel = (num => num * 1024),
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GuiToXapiTriggerPeriod = (num => num * 60),
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GuiToXapiAlertInterval = (num => num * 60),
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};
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//xapi trigger level is in MiB/s; gui shows KB/s
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srAlert = new AlertGroup(SrAlertCheckBox, SrGroupBox,
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nudSrUsage, nudSrMinutes, nudAlertInterval,
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new[] { SrUsageLabel, srMinutesLabel, srUnitsLabel, SrDurationThresholdLabel })
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{
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AlertEnablementChanged = SetAlertIntervalEnablement,
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SubTextFormat = Messages.ALERT_SR_SUB_TEXT,
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PerfmonDefinitionName = PerfmonDefinition.ALARM_TYPE_SR,
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XapiToGuiTriggerLevel = (num => num * 1024),
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XapiToGuiTriggerPeriod = (num => num / 60),
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XapiToGuiAlertInterval = (num => num / 60),
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GuiToXapiTriggerLevel = (num => num / 1024),
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GuiToXapiTriggerPeriod = (num => num * 60),
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GuiToXapiAlertInterval = (num => num * 60),
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};
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dom0MemoryAlert = new AlertGroup(Dom0MemoryAlertCheckBox, Dom0MemoryUsageGroupBox,
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nudDom0MemUsage, nudDom0MemoryDurationThreshold, nudAlertInterval,
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new[] { dom0MemoryMinutesLabel, dom0MemoryPercentLabel, Dom0MemoryUsagePercentLabel, Dom0MemoryDurationThresholdLabel })
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{
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AlertEnablementChanged = SetAlertIntervalEnablement,
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SubTextFormat = Messages.ALERT_DOM0_MEMORY_SUB_TEXT,
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PerfmonDefinitionName = PerfmonDefinition.ALARM_TYPE_MEMORY_DOM0_USAGE,
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XapiToGuiTriggerLevel = (num => num * 100),
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XapiToGuiTriggerPeriod = (num => num / 60),
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XapiToGuiAlertInterval = (num => num / 60),
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GuiToXapiTriggerLevel = (num => num / 100),
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GuiToXapiTriggerPeriod = (num => num * 60),
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GuiToXapiAlertInterval = (num => num * 60),
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};
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physicalUtilisationAlert = new AlertGroup(physicalUtilisationAlertCheckBox, PhysicalUtilisationGroupBox,
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nudPhysicalUtilisation, nudPhysicalUtilisationDurationThreshold, nudAlertInterval,
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new[] { physicalUtilisationLabel, physicalUtilisationDurationLabel, physicalUtilisationPercentLabel, physicalUtilisationMinutesLabel })
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{
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AlertEnablementChanged = SetAlertIntervalEnablement,
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SubTextFormat = Messages.ALERT_SR_PHYSICAL_UTILISATION_SUB_TEXT,
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PerfmonDefinitionName = PerfmonDefinition.ALARM_TYPE_SR_PHYSICAL_UTILISATION,
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XapiToGuiTriggerLevel = (num => num * 100),
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XapiToGuiTriggerPeriod = (num => num / 60),
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XapiToGuiAlertInterval = (num => num / 60),
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GuiToXapiTriggerLevel = (num => num / 100),
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GuiToXapiTriggerPeriod = (num => num * 60),
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GuiToXapiAlertInterval = (num => num * 60),
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};
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cpuAlert.ToggleAlertGroupEnablement();
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netAlert.ToggleAlertGroupEnablement();
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diskAlert.ToggleAlertGroupEnablement();
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memoryAlert.ToggleAlertGroupEnablement();
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srAlert.ToggleAlertGroupEnablement();
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dom0MemoryAlert.ToggleAlertGroupEnablement();
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physicalUtilisationAlert.ToggleAlertGroupEnablement();
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}
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public string SubText
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{
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get
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{
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var subs = from AlertGroup g in new[] { cpuAlert, netAlert, diskAlert, memoryAlert, srAlert, physicalUtilisationAlert }
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where !string.IsNullOrEmpty(g.SubText)
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select g.SubText;
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string text = string.Join("; ", subs.ToArray());
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return string.IsNullOrEmpty(text) ? Messages.NONE_DEFINED : text;
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}
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}
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public Image Image
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{
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get { return Properties.Resources._000_Alert2_h32bit_16; }
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}
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public void SetXenObjects(IXenObject orig, IXenObject clone)
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{
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_XenObject = clone;
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bool isVm = _XenObject is VM;
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bool isHost = _XenObject is Host;
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bool isSr = _XenObject is SR;
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cpuAlert.Show(isVm || isHost);
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netAlert.Show(isVm || isHost);
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diskAlert.Show(isVm);
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memoryAlert.Show(isHost && Helpers.ClearwaterOrGreater(_XenObject.Connection));
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srAlert.Show(isSr && Helpers.ClearwaterOrGreater(_XenObject.Connection));
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dom0MemoryAlert.Show(isHost && Helpers.CreedenceOrGreater(_XenObject.Connection));
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physicalUtilisationAlert.Show(isSr && ((SR)_XenObject).IsThinProvisioned);
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if (isHost)
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{
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Host host = (Host)_XenObject;
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Host_metrics metrics = host.Connection.Resolve(host.metrics);
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if (metrics != null)
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nudMemoryUsage.Maximum = metrics.memory_total / (1024 * 1024);
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}
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Repopulate();
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}
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private void Repopulate()
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{
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if (_XenObject == null)
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return;
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try
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{
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var perfmonDefinitions = PerfmonDefinition.GetPerfmonDefinitions(_XenObject);
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for (int i = 0; i < perfmonDefinitions.Length; i++)
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{
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PerfmonDefinition perfmonDefinition = perfmonDefinitions[i];
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if (perfmonDefinition.IsCPUUsage)
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cpuAlert.Populate(perfmonDefinition);
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else if (perfmonDefinition.IsNetworkUsage)
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netAlert.Populate(perfmonDefinition);
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else if (perfmonDefinition.IsDiskUsage)
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diskAlert.Populate(perfmonDefinition);
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else if (perfmonDefinition.IsMemoryUsage)
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memoryAlert.Populate(perfmonDefinition);
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else if (perfmonDefinition.IsSrUsage)
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srAlert.Populate(perfmonDefinition);
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else if (perfmonDefinition.IsSrPhysicalUtilisation)
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physicalUtilisationAlert.Populate(perfmonDefinition);
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}
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}
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catch (Exception ex)
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{
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log.Error("Unexpected error during populating controls for Alerts. Exception swallowed.", ex); //Adding this to pre-existing empty catch block to log it at least
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}
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// Dom0 memory usage is stored in the other_config of the Dom0 vm not on the host (or any other XenObject)
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try
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{
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if (_XenObject is Host)
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{
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var controlDomain = (_XenObject as Host).ControlDomain;
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if (controlDomain != null)
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{
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var controlDomainPerfmonDefinitions = PerfmonDefinition.GetPerfmonDefinitions(controlDomain);
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if (controlDomainPerfmonDefinitions != null)
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{
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for (int ii = 0; ii < controlDomainPerfmonDefinitions.Length; ii++)
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{
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var def = controlDomainPerfmonDefinitions[ii];
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if (def != null && def.IsDom0MemoryUsage)
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dom0MemoryAlert.Populate(def);
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}
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}
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}
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}
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}
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catch (Exception ex)
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{
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log.Error("Unexpected error during populating controls for Dom0 Memory Usage alert. Exception swallowed.", ex); //Any error here will cause the controls not being populated, but they will be still usable.
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}
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}
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public bool HasChanged
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{
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get
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{
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if (nudAlertInterval.HasChanged)
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return true;
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if (_XenObject is SR)
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return srAlert.HasChanged || physicalUtilisationAlert.HasChanged;
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if (_XenObject is VM)
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return cpuAlert.HasChanged || netAlert.HasChanged || diskAlert.HasChanged;
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return cpuAlert.HasChanged || netAlert.HasChanged || memoryAlert.HasChanged || dom0MemoryAlert.HasChanged;
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}
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}
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public void ShowLocalValidationMessages()
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{
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decimal val;
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if (decimal.TryParse(nudAlertInterval.Text, NumberStyles.Any, CultureInfo.InvariantCulture, out val)
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&& val % 5 != 0)
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{
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HelpersGUI.ShowBalloonMessage(nudAlertInterval,
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Messages.PERFORM_ALERT_EDIT_INTERVAL_WRONG_MULTIPLE,
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m_invalidParamToolTip);
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}
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}
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public void Cleanup()
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{
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if (m_invalidParamToolTip != null)
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m_invalidParamToolTip.Dispose();
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}
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public bool ValidToSave
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{
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get
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{
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decimal val;
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if (!decimal.TryParse(nudAlertInterval.Text, NumberStyles.Any, CultureInfo.InvariantCulture, out val))
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return false;
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if (val % 5 != 0)
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return false;
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return true;
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}
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}
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public AsyncAction SaveSettings()
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{
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List<PerfmonDefinition> perfmonDefinitions = new List<PerfmonDefinition>();
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if (cpuAlert.Enabled)
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perfmonDefinitions.Add(cpuAlert.AlertDefinition);
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if (netAlert.Enabled)
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perfmonDefinitions.Add(netAlert.AlertDefinition);
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if (_XenObject is VM && diskAlert.Enabled)
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perfmonDefinitions.Add(diskAlert.AlertDefinition);
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if (_XenObject is Host && memoryAlert.Enabled)
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perfmonDefinitions.Add(memoryAlert.AlertDefinition);
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if (_XenObject is SR && srAlert.Enabled)
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perfmonDefinitions.Add(srAlert.AlertDefinition);
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if (_XenObject is Host && dom0MemoryAlert.Enabled)
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perfmonDefinitions.Add(dom0MemoryAlert.AlertDefinition);
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if (_XenObject is SR && physicalUtilisationAlert.Enabled)
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perfmonDefinitions.Add(physicalUtilisationAlert.AlertDefinition);
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return new PerfmonDefinitionAction(_XenObject, perfmonDefinitions, true);
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}
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private void SetAlertIntervalEnablement()
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{
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bool enable = cpuAlert.Enabled || netAlert.Enabled || diskAlert.Enabled
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|| memoryAlert.Enabled || srAlert.Enabled || dom0MemoryAlert.Enabled || physicalUtilisationAlert.Enabled;
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nudAlertInterval.Enabled = enable;
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AlertIntervalMinutesLabel.Enabled = enable;
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AlertIntervalLabel.Enabled = enable;
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}
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}
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public class AlertGroup
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{
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private readonly AlertCheckBox m_checkBox;
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private readonly DecentGroupBox m_groupBox;
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private readonly AlertNumericUpDown m_upDownTriggerLevel;
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private readonly AlertNumericUpDown m_upDownTriggerPeriod;
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private readonly AlertNumericUpDown m_upDownAlertInterval;
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private readonly IEnumerable<Label> m_labels;
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public AlertGroup(AlertCheckBox theCheckBox, DecentGroupBox theGroupBox,
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AlertNumericUpDown triggerLevelUpDown, AlertNumericUpDown triggerThresholdUpDown,
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AlertNumericUpDown alertIntervalUpDown, IEnumerable<Label> theLabels)
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{
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Debug.Assert(theCheckBox != null && theGroupBox != null
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&& triggerLevelUpDown != null && triggerThresholdUpDown != null
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&& alertIntervalUpDown != null && theLabels != null);
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m_checkBox = theCheckBox;
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m_groupBox = theGroupBox;
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m_upDownTriggerLevel = triggerLevelUpDown;
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m_upDownTriggerPeriod = triggerThresholdUpDown;
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m_upDownAlertInterval = alertIntervalUpDown;
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m_labels = theLabels;
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m_checkBox.CheckedChanged += m_theCheckBox_CheckedChanged;
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StoreOriginalSetting();
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}
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public Action AlertEnablementChanged;
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public string SubTextFormat;
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public string PerfmonDefinitionName;
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public Func<decimal, decimal> XapiToGuiTriggerLevel;
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public Func<decimal, decimal> GuiToXapiTriggerLevel;
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public Func<decimal, decimal> XapiToGuiTriggerPeriod;
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public Func<decimal, decimal> GuiToXapiTriggerPeriod;
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public Func<decimal, decimal> XapiToGuiAlertInterval;
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public Func<decimal, decimal> GuiToXapiAlertInterval;
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public PerfmonDefinition AlertDefinition
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{
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get
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{
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Debug.Assert(!string.IsNullOrEmpty(PerfmonDefinitionName) &&
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GuiToXapiTriggerLevel != null && GuiToXapiTriggerPeriod != null
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&& GuiToXapiAlertInterval != null);
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return new PerfmonDefinition(PerfmonDefinitionName,
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GuiToXapiTriggerLevel(m_upDownTriggerLevel.Value),
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GuiToXapiTriggerPeriod(m_upDownTriggerPeriod.Value),
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GuiToXapiAlertInterval(m_upDownAlertInterval.Value));
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}
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}
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public string SubText
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{
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get
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{
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return m_checkBox.Checked && !string.IsNullOrEmpty(this.SubTextFormat)
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? string.Format(this.SubTextFormat, this.m_upDownTriggerLevel.Value, this.m_upDownTriggerPeriod.Value)
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: null;
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}
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}
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public bool Enabled
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{
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get { return m_checkBox.Checked; }
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}
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public bool HasChanged
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{
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get { return m_upDownTriggerLevel.HasChanged || m_upDownTriggerPeriod.HasChanged || m_checkBox.HasChanged; }
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}
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public void Populate(PerfmonDefinition perfmon)
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{
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Debug.Assert(XapiToGuiTriggerLevel != null && XapiToGuiTriggerPeriod != null && XapiToGuiAlertInterval != null);
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if (perfmon.HasValueSet)
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{
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m_checkBox.Checked = true;
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m_upDownTriggerLevel.Value = XapiToGuiTriggerLevel(perfmon.AlarmTriggerLevel);
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m_upDownTriggerPeriod.Value = XapiToGuiTriggerPeriod(perfmon.AlarmTriggerPeriod);
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}
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try
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{
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m_upDownAlertInterval.Value = XapiToGuiAlertInterval(perfmon.AlarmAutoInhibitPeriod);
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}
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catch
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{
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m_upDownAlertInterval.Value = 60;
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}
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StoreOriginalSetting();
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}
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public void Show(bool show)
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{
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m_groupBox.Visible = show;
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}
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public void ToggleAlertGroupEnablement()
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{
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m_upDownTriggerLevel.Enabled = m_checkBox.Checked;
|
|
m_upDownTriggerPeriod.Enabled = m_checkBox.Checked;
|
|
|
|
foreach (var label in m_labels)
|
|
label.Enabled = m_checkBox.Checked;
|
|
|
|
if (AlertEnablementChanged != null)
|
|
AlertEnablementChanged.Invoke();
|
|
}
|
|
|
|
private void StoreOriginalSetting()
|
|
{
|
|
m_upDownTriggerLevel.StoreOriginalSetting();
|
|
m_upDownTriggerPeriod.StoreOriginalSetting();
|
|
m_upDownAlertInterval.StoreOriginalSetting();
|
|
m_checkBox.StoreOriginalSetting();
|
|
}
|
|
|
|
private void m_theCheckBox_CheckedChanged(object sender, EventArgs e)
|
|
{
|
|
ToggleAlertGroupEnablement();
|
|
}
|
|
}
|
|
|
|
public class AlertNumericUpDown : NumericUpDown
|
|
{
|
|
private decimal m_originalValue;
|
|
|
|
protected override void OnLostFocus(EventArgs e)
|
|
{
|
|
base.OnLostFocus(e);
|
|
|
|
if (Text == "")
|
|
Text = (Value = m_originalValue).ToString();
|
|
}
|
|
|
|
public bool HasChanged
|
|
{
|
|
get { return m_originalValue != Value; }
|
|
}
|
|
|
|
public void StoreOriginalSetting()
|
|
{
|
|
m_originalValue = Value;
|
|
}
|
|
}
|
|
|
|
public class AlertCheckBox : CheckBox
|
|
{
|
|
private bool m_originalValue;
|
|
|
|
public bool HasChanged
|
|
{
|
|
get { return m_originalValue != Checked; }
|
|
}
|
|
|
|
public void StoreOriginalSetting()
|
|
{
|
|
m_originalValue = Checked;
|
|
}
|
|
}
|
|
}
|