xenadmin/XenAdmin/SettingsPanels/Wlb/WlbAutomationPage.cs
Konstantina Chremmou 7655011158 Compliance with C# conventions: normally interface names start with an I.
Signed-off-by: Konstantina Chremmou <konstantina.chremmou@citrix.com>
2018-04-03 13:00:27 +01:00

375 lines
14 KiB
C#

/* Copyright (c) Citrix Systems, Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms,
* with or without modification, are permitted provided
* that the following conditions are met:
*
* * Redistributions of source code must retain the above
* copyright notice, this list of conditions and the
* following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the
* following disclaimer in the documentation and/or other
* materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
* CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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*/
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Drawing;
using System.Data;
using System.Text;
using System.Windows.Forms;
using XenAdmin.Actions;
using XenAdmin.Core;
using XenAdmin.Wlb;
using XenAdmin.XenSearch;
using XenAPI;
using XenAdmin.Dialogs;
namespace XenAdmin.SettingsPanels
{
public partial class WlbAutomationPage : UserControl, IEditPage
{
private WlbPoolConfiguration _poolConfiguration;
private XenAdmin.Network.IXenConnection _connection;
private bool _hasChanged = false;
private bool _loading = false;
private HashSet<string> _uuidSet = new HashSet<string>();
private int[] minimumColumnWidths = {25, 50, 50, 50 };
public WlbAutomationPage()
{
InitializeComponent();
Text = Messages.WLB_AUTOMATION;
}
public WlbPoolConfiguration PoolConfiguration
{
set
{
if (null != value)
{
_poolConfiguration = value;
InitializeControls();
}
}
}
public XenAdmin.Network.IXenConnection Connection
{
set
{
if (null != value)
{
_connection = value;
}
}
}
private void InitializeControls()
{
_loading = true;
// Set up the Automation checkboxes
checkBoxUseAutomation.Checked = _poolConfiguration.AutoBalanceEnabled;
checkBoxEnablePowerManagement.Checked = _poolConfiguration.PowerManagementEnabled;
checkBoxEnablePowerManagement.Enabled = checkBoxUseAutomation.Checked;
this.decentGroupBoxPowerManagementHosts.Enabled = true;
// Set up the Power Management Host enlistment listview
listViewExPowerManagementHosts.Columns.Clear();
listViewExPowerManagementHosts.Columns.Add(String.Empty, 25);
listViewExPowerManagementHosts.Columns.Add(Messages.WLB_HOST_SERVER, 220); // "Host Server"
listViewExPowerManagementHosts.Columns.Add(Messages.WLB_POWERON_MODE, 95); // "PowerOn Mode"
listViewExPowerManagementHosts.Columns.Add(Messages.WLB_LAST_POWERON_SUCCEEDED, 135); // "Tested"
foreach (Host host in _connection.Cache.Hosts)
{
bool participatesInPowerManagement = false;
string powerManagementTested = Messages.NO;
if (_poolConfiguration.HostConfigurations.ContainsKey(host.uuid))
{
participatesInPowerManagement = _poolConfiguration.HostConfigurations[host.uuid].ParticipatesInPowerManagement;
powerManagementTested = _poolConfiguration.HostConfigurations[host.uuid].LastPowerOnSucceeded ? Messages.YES : Messages.NO;
}
ListViewItem thisItem = new ListViewItem();
thisItem.Tag = host;
thisItem.Checked = participatesInPowerManagement;
if (host.IsMaster())
{
thisItem.SubItems.Add(string.Format("{0} ({1})", host.Name(), Messages.POOL_MASTER));
}
else
{
thisItem.SubItems.Add(host.Name());
}
thisItem.SubItems.Add(GetHostPowerOnMode(host.power_on_mode));
thisItem.SubItems.Add(powerManagementTested);
listViewExPowerManagementHosts.Items.Add(thisItem);
}
labelNoHosts.Visible = (listViewExPowerManagementHosts.Items.Count == 0);
_loading = false;
}
//Maintain minimum column widths
private void listViewExPowerManagementHosts_ColumnWidthChanged(object sender, ColumnWidthChangedEventArgs e)
{
if (e.ColumnIndex < minimumColumnWidths.Length)
{
if (listViewExPowerManagementHosts.Columns[e.ColumnIndex].Width < minimumColumnWidths[e.ColumnIndex])
{
listViewExPowerManagementHosts.Columns[e.ColumnIndex].Width = minimumColumnWidths[e.ColumnIndex];
}
}
}
private string GetHostPowerOnMode(string internalMode)
{
string mode;
switch (internalMode.ToLower())
{
case null:
case "":
{
mode = Messages.PM_MODE_DISABLED;
break;
}
case "wake-on-lan":
{
mode = Messages.PM_MODE_WOL;
break;
}
case "ilo":
{
mode = Messages.PM_MODE_ILO;
break;
}
case "drac":
{
mode = Messages.PM_MODE_DRAC;
break;
}
default:
{
mode = Messages.PM_MODE_CUSTOM;
break;
}
}
return mode;
}
#region Control Event Handlers
private void checkBoxUseAutomation_CheckedChanged(object sender, EventArgs e)
{
if (!_loading)
{
_hasChanged = true;
}
checkBoxEnablePowerManagement.Enabled = checkBoxUseAutomation.Checked;
}
private void checkBoxEnablePowerManagement_CheckedChanged(object sender, EventArgs e)
{
if (!_loading)
{
_hasChanged = true;
}
}
private void listViewExPowerManagementHosts_ItemCheck(object sender, ItemCheckEventArgs e)
{
if (!_loading)
{
if (listViewExPowerManagementHosts.Items[e.Index].Tag is Host)
{
Host host = (Host)listViewExPowerManagementHosts.Items[e.Index].Tag;
if (!HostCannotParticipateInPowerManagement(host))
{
if (e.NewValue == CheckState.Checked &&
_uuidSet.Contains(host.uuid) &&
(!_poolConfiguration.HostConfigurations.ContainsKey(host.uuid) ||
!_poolConfiguration.HostConfigurations[host.uuid].LastPowerOnSucceeded))
{
DialogResult dr;
using (var dlg = new ThreeButtonDialog(
new ThreeButtonDialog.Details(SystemIcons.Warning, Messages.WLB_UNTESTED_HOST_WARNING, Messages.WLB_UNTESTED_HOST_CAPTION),
ThreeButtonDialog.ButtonYes,
ThreeButtonDialog.ButtonNo))
{
dr = dlg.ShowDialog();
}
if (dr == DialogResult.No)
{
e.NewValue = e.CurrentValue;
}
else
{
_hasChanged = true;
}
}
else
{
_uuidSet.Add(host.uuid);
_hasChanged = true;
}
}
else
{
e.NewValue = CheckState.Unchecked;
}
}
}
}
private void listViewExPowerManagementHosts_DrawColumnHeader(object sender, DrawListViewColumnHeaderEventArgs e)
{
e.DrawDefault = true;
}
private void listViewExPowerManagementHosts_DrawItem(object sender, DrawListViewItemEventArgs e)
{
Host host = (Host)e.Item.Tag;
// disallow checking when the host is pool master or PowerOn is disabled (empty string)
// we have to allow checking when PowerOn is null (unknown) to support PM on older versions of XS
if (HostCannotParticipateInPowerManagement(host))
{
ControlPaint.DrawCheckBox(e.Graphics, e.Bounds.Left + 3, e.Bounds.Top + 1, 15, 15, ButtonState.Inactive);
}
else
{
if (e.Item.Checked)
ControlPaint.DrawCheckBox(e.Graphics, e.Bounds.Left + 3, e.Bounds.Top + 1, 15, 15, ButtonState.Checked);
else
ControlPaint.DrawCheckBox(e.Graphics, e.Bounds.Left + 3, e.Bounds.Top + 1, 15, 15, ButtonState.Normal);
}
}
private bool HostCannotParticipateInPowerManagement(Host host)
{
return host.IsMaster() || string.IsNullOrEmpty(host.power_on_mode);
}
private void listViewExPowerManagementHosts_DrawSubItem(object sender, DrawListViewSubItemEventArgs e)
{
// CA-59618 - Add a small buffer to the top of each row to prevent truncating larger character sets.
using (SolidBrush brush = new SolidBrush(listViewExPowerManagementHosts.ForeColor))
{
Rectangle rect = new Rectangle(e.Bounds.Left, e.Bounds.Top + 1, e.Bounds.Width, e.Bounds.Height);
StringFormat sf = new StringFormat(StringFormatFlags.LineLimit | StringFormatFlags.NoWrap);
e.Graphics.DrawString(e.SubItem.Text, listViewExPowerManagementHosts.Font, brush, rect, sf);
}
}
#endregion
#region IEditPage Members
public AsyncAction SaveSettings()
{
_poolConfiguration.AutoBalanceEnabled = checkBoxUseAutomation.Checked;
if (checkBoxUseAutomation.Checked)
{
_poolConfiguration.PowerManagementEnabled = checkBoxEnablePowerManagement.Checked;
}
else
{
_poolConfiguration.PowerManagementEnabled = false;
}
foreach (ListViewItem listItem in listViewExPowerManagementHosts.Items)
{
Host host = (Host)listItem.Tag;
WlbHostConfiguration hostConfiguration;
if (!_poolConfiguration.HostConfigurations.TryGetValue(host.uuid, out hostConfiguration))
{
hostConfiguration = new WlbHostConfiguration(host.uuid);
_poolConfiguration.HostConfigurations.Add(hostConfiguration.Uuid, hostConfiguration);
}
if ((listItem.Checked == true) && (!host.IsMaster()))
{
hostConfiguration.ParticipatesInPowerManagement = true;
}
else
{
hostConfiguration.ParticipatesInPowerManagement = false;
}
}
return null;
}
public void SetXenObjects(IXenObject orig, IXenObject clone)
{
throw new Exception("The method or operation is not implemented.");
}
public bool ValidToSave
{
get { throw new Exception("The method or operation is not implemented."); }
}
public void ShowLocalValidationMessages()
{
throw new Exception("The method or operation is not implemented.");
}
public void Cleanup()
{
throw new Exception("The method or operation is not implemented.");
}
public bool HasChanged
{
get { return _hasChanged; }
}
#endregion
#region IVerticalTab Members
public string SubText
{
get { return Messages.WLB_AUTOMATION_SUBTEXT; }
}
public Image Image
{
get { return Properties.Resources._000_EnablePowerControl_h32bit_16; }
}
#endregion
}
}