xenadmin/XenAdmin/Dialogs/VMProtectionRecovery/VMProtectionPoliciesDialog.cs
Sharath Babu 18289192b7 Incorporating review comments.
Signed-off-by: Sharath Babu <Sharath.Babu@citrix.com>
2016-04-06 05:05:56 +00:00

429 lines
18 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
* SUCH DAMAGE.
*/
using System;
using System.Collections.Generic;
using System.Drawing;
using System.Windows.Forms;
using XenAdmin.Actions;
using XenAdmin.Controls;
using XenAdmin.Wizards.NewPolicyWizard;
using XenAPI;
using System.ComponentModel;
using System.Threading;
using System.Diagnostics;
using XenAdmin.Core;
using XenAdmin.Dialogs.VMProtectionRecovery;
using XenCenterLib;
using XenAdmin.Alerts;
using System.Linq;
namespace XenAdmin.Dialogs.VMProtection_Recovery
{
public partial class VMProtectionPoliciesDialog: XenDialogBase
{
private static readonly log4net.ILog log = log4net.LogManager.GetLogger(System.Reflection.MethodBase.GetCurrentMethod().DeclaringType);
public readonly Pool Pool;
public VMProtectionPoliciesDialog(Pool pool)
: base(pool.Connection)
{
Pool = pool;
InitializeComponent();
localServerTime1.Pool = pool;
chevronButton1.Text = Messages.SHOW_RUN_HISTORY;
chevronButton1.Image = Properties.Resources.PDChevronDown;
policyHistory1.Visible = false;
policyHistory1.pool = pool;
}
public VMProtectionPoliciesDialog() { }
protected virtual void chevronButton1_KeyDown(object sender, KeyEventArgs e) {}
protected virtual void chevronButton1_ButtonClick(object sender, EventArgs e) { }
protected virtual void buttonProperties_Click(object sender, EventArgs e) { }
protected virtual void button1_Click(object sender, EventArgs e) { }
protected virtual void buttonEnable_Click(object sender, EventArgs e) { }
protected virtual void VMProtectionPoliciesDialog_FormClosed(object sender, FormClosedEventArgs e) { }
protected virtual void dataGridView1_SelectionChanged(object sender, EventArgs e) { }
protected virtual void VMProtectionPoliciesDialog_Load(object sender, EventArgs e) { }
protected virtual void buttonCancel_Click(object sender, System.EventArgs e) { }
protected virtual void buttonNew_Click(object sender, System.EventArgs e) { }
protected virtual void buttonDelete_Click(object sender, EventArgs e) { }
public class PolicyRow : DataGridViewRow
{
private DataGridViewTextBoxCell _name = new DataGridViewTextBoxCell();
private DataGridViewTextBoxCell _numVMs = new DataGridViewTextBoxCell();
private DataGridViewTextBoxCell _nextRunTime = new DataGridViewTextBoxCell();
private DataGridViewTextBoxCell _status = new DataGridViewTextBoxCell();
private DataGridViewTextBoxCell _nextArchiveRuntime = new DataGridViewTextBoxCell();
private DataGridViewTextAndImageCell _lastResult = new DataGridViewTextAndImageCell();
public readonly IVMPolicy _policy;
public PolicyRow(IVMPolicy policy)
{
Cells.Add(_name);
Cells.Add(_status);
Cells.Add(_numVMs);
Cells.Add(_nextRunTime);
Cells.Add(_nextArchiveRuntime);
Cells.Add(_lastResult);
_policy = policy;
RefreshRow();
}
private DateTime? GetVMPPDateTime(Func<DateTime> getDateTimeFunc)
{
try
{
return getDateTimeFunc();
}
catch (Exception e)
{
log.Error("An error occurred while obtaining VMPP date time: ", e);
return null;
}
}
private void RefreshRow()
{
_name.Value = _policy.Name;
_numVMs.Value = _policy.VMs.FindAll(vm => _policy.Connection.Resolve(vm).is_a_real_vm).Count;
_status.Value = _policy.is_enabled ? Messages.ENABLED : Messages.DISABLED;
if (_policy.is_running)
_status.Value = Messages.RUNNING_SNAPSHOTS;
if (this._policy.hasArchive)
{
if (_policy.is_archiving)
_status.Value = Messages.RUNNING_ARCHIVE;
}
_lastResult.Value = _policy.LastResult;
if (_policy.LastResult == Messages.FAILED)
_lastResult.Image = Properties.Resources._075_WarningRound_h32bit_16;
else if (_policy.LastResult == Messages.NOT_YET_RUN)
_lastResult.Image = null;
else
_lastResult.Image = Properties.Resources._075_TickRound_h32bit_16;
DateTime? nextRunTime = GetVMPPDateTime(() => _policy.GetNextRunTime());
_nextRunTime.Value = nextRunTime.HasValue
? HelpersGUI.DateTimeToString(nextRunTime.Value, Messages.DATEFORMAT_DMY_HM,
true)
: Messages.VM_PROTECTION_POLICY_HOST_NOT_LIVE;
if (this._policy.hasArchive)
{
DateTime? nextArchiveRuntime = GetVMPPDateTime(() => _policy.GetNextArchiveRunTime());
_nextArchiveRuntime.Value = nextArchiveRuntime.HasValue
? nextArchiveRuntime == DateTime.MinValue
? Messages.NEVER
: HelpersGUI.DateTimeToString(nextArchiveRuntime.Value,
Messages.DATEFORMAT_DMY_HM, true)
: Messages.VM_PROTECTION_POLICY_HOST_NOT_LIVE;
}
}
}
}
}
namespace XenAdmin.Dialogs.VMPolicies
{
public class VMPoliciesDialogSpecific<T> : XenAdmin.Dialogs.VMProtection_Recovery.VMProtectionPoliciesDialog where T : XenObject<T>
{
public VMPoliciesDialogSpecific() { }
public VMPoliciesDialogSpecific(Pool pool)
: base(pool)
{
RefreshPoolTitle(pool);
if (VMGroup<T>.isVMPolicyVMPP)
SetupDeprecationBanner();
}
private void RefreshPoolTitle(Pool pool)
{
int protectedVMs = 0;
int realVMs = 0;
foreach (var vm in pool.Connection.Cache.VMs)
{
if (vm.is_a_real_vm && vm.Show(Properties.Settings.Default.ShowHiddenVMs))
{
realVMs++;
if (vm.Connection.Resolve(VMGroup<T>.VmToGroup(vm)) != null)
protectedVMs++;
}
}
this.Text = VMGroup<T>.VMPolicyDialogTitle;
label2.Text = VMGroup<T>.VMPolicyDialogText;
labelPolicyTitle.Text = string.Format(Helpers.IsPool(pool.Connection)
? VMGroup<T>.VMPolicyDialogSchedulesInPool
: VMGroup<T>.VMPolicyDialogSchedulesInServer,
pool.Name.Ellipsise(45), protectedVMs, realVMs);
}
void VMPPCollectionChanged(object sender, EventArgs e)
{
LoadPolicies();
}
private void LoadPolicies()
{
dataGridView1.SuspendLayout();
var selectedPolicy = currentSelected;
dataGridView1.Rows.Clear();
var policyList = VMGroup<T>.VMPolicies(Pool.Connection.Cache);
/* creating a dictionary to hold (policy_uuid, message list) */
Dictionary<string, List<XenAPI.Message>> policyMessage = new Dictionary<string, List<XenAPI.Message>>();
/* populate the dictionary with policy uuid */
foreach (var policy in policyList)
{
policy.PolicyAlerts.Clear();
List<XenAPI.Message> messageList = new List<XenAPI.Message>();
policyMessage.Add(policy.uuid, messageList);
}
/* iterate through all messages and populate the dictionary with message list */
if (!VMGroup<T>.isVMPolicyVMPP)
{
var messages = Pool.Connection.Cache.Messages;
List<XenAPI.Message> value = new List<XenAPI.Message>();
foreach (var message in messages)
{
if (message.cls == cls.VMSS)
{
if (policyMessage.TryGetValue(message.obj_uuid, out value))
{
value.Add(message);
}
}
}
}
/* add only 10 messages for each policy and referesh the rows*/
foreach (var policy in policyList)
{
/* message list need not be always sorted */
var messageListSorted = policyMessage[policy.uuid].OrderByDescending(message => message.timestamp).ToList();
for (int messageCount = 0; messageCount < 10 && messageCount < messageListSorted.Count; messageCount++)
{
policy.PolicyAlerts.Add(new PolicyAlert(messageListSorted[messageCount].priority, messageListSorted[messageCount].name, messageListSorted[messageCount].timestamp));
}
if (dataGridView1.ColumnCount > 0)
dataGridView1.Rows.Add(new PolicyRow(policy));
}
RefreshButtons();
if (selectedPolicy != null)
{
foreach (PolicyRow row in dataGridView1.Rows)
{
if (row._policy.uuid == selectedPolicy.uuid)
{
dataGridView1.ClearSelection();
row.Selected = true;
break;
}
}
}
RefreshPoolTitle(Pool);
dataGridView1.ResumeLayout();
}
protected override void buttonNew_Click(object sender, System.EventArgs e)
{
new NewPolicyWizardSpecific<T>(Pool).Show(this);
}
protected override void buttonCancel_Click(object sender, System.EventArgs e)
{
this.Close();
}
protected override void VMProtectionPoliciesDialog_Load(object sender, EventArgs e)
{
if (!VMGroup<T>.isVMPolicyVMPP)
{
this.dataGridView1.Columns["ColumnNextArchive"].Visible = false;
}
LoadPolicies();
localServerTime1.GetServerTime();
Pool.Connection.Cache.RegisterBatchCollectionChanged<T>(VMPPCollectionChanged);
}
protected override void buttonDelete_Click(object sender, EventArgs e)
{
var selectedPolicies = new List<IVMPolicy>();
int numberOfProtectedVMs = 0;
foreach (DataGridViewRow row in dataGridView1.SelectedRows)
{
var policy = (((PolicyRow)row)._policy);
selectedPolicies.Add(policy);
numberOfProtectedVMs += policy.VMs.Count;
}
string text = "";
if (selectedPolicies.Count == 1)
{
text = String.Format(numberOfProtectedVMs == 0 ? Messages.CONFIRM_DELETE_POLICY_0 : Messages.CONFIRM_DELETE_POLICY, selectedPolicies[0].Name, numberOfProtectedVMs);
}
else
{
text = string.Format(numberOfProtectedVMs == 0 ? Messages.CONFIRM_DELETE_POLICIES_0 : Messages.CONFIRM_DELETE_POLICIES, numberOfProtectedVMs);
}
if (new ThreeButtonDialog(
new ThreeButtonDialog.Details(SystemIcons.Warning, text, Messages.DELETE_VM_PROTECTION_TITLE),
ThreeButtonDialog.ButtonYes,
ThreeButtonDialog.ButtonNo).ShowDialog(this) == DialogResult.Yes)
new DestroyPolicyAction<T>(Pool.Connection, selectedPolicies).RunAsync();
}
private IVMPolicy currentSelected = null;
protected override void dataGridView1_SelectionChanged(object sender, EventArgs e)
{
RefreshButtons();
}
private void RefreshButtons()
{
if (dataGridView1.SelectedRows.Count == 1)
{
currentSelected = ((PolicyRow)dataGridView1.SelectedRows[0])._policy;
buttonEnable.Text = currentSelected.is_enabled? Messages.DISABLE : Messages.ENABLE;
buttonEnable.Enabled = currentSelected.VMs.Count == 0 && !currentSelected.is_enabled? false : true;
buttonProperties.Enabled = true;
buttonRunNow.Enabled = currentSelected.is_enabled && !currentSelected.is_archiving && !currentSelected.is_running;
}
else
{
currentSelected = null;
buttonProperties.Enabled = buttonEnable.Enabled = buttonRunNow.Enabled = false;
policyHistory1.Clear();
}
policyHistory1.RefreshTab(currentSelected);
buttonDelete.Enabled = (dataGridView1.SelectedRows.Count != 0);
}
protected override void VMProtectionPoliciesDialog_FormClosed(object sender, FormClosedEventArgs e)
{
Pool.Connection.Cache.DeregisterBatchCollectionChanged<T>(VMPPCollectionChanged);
}
protected override void buttonEnable_Click(object sender, EventArgs e)
{
if (currentSelected != null)
{
var action = new ChangePolicyEnabledAction<T>(currentSelected);
action.RunAsync();
}
}
protected override void button1_Click(object sender, EventArgs e)
{
if (dataGridView1.SelectedRows.Count == 1)
{
var policy = ((PolicyRow)dataGridView1.SelectedRows[0])._policy;
var action = new RunPolicyNowAction<T>(policy);
action.Completed += action_Completed;
buttonRunNow.Enabled = false;
action.RunAsync();
}
}
void action_Completed(ActionBase sender)
{
Program.Invoke(Program.MainWindow, RefreshButtons);
}
private void SetupDeprecationBanner()
{
if (deprecationBanner != null && !Helpers.ClearwaterOrGreater(Pool.Connection))
{
deprecationBanner.AppliesToVersion = Messages.XENSERVER_6_2;
deprecationBanner.BannerType = DeprecationBanner.Type.Removal;
deprecationBanner.FeatureName = Messages.VMPP;
deprecationBanner.LinkUri = HiddenFeatures.LinkLabelHidden ? null : new Uri(InvisibleMessages.VMPR_DEPRECATION_URL);
deprecationBanner.Visible = true;
}
}
protected override void buttonProperties_Click(object sender, EventArgs e)
{
using (PropertiesDialog propertiesDialog = new PropertiesDialog((T)currentSelected))
{
propertiesDialog.ShowDialog(this);
}
}
protected override void chevronButton1_ButtonClick(object sender, EventArgs e)
{
if (chevronButton1.Text == Messages.HIDE_RUN_HISTORY)
{
chevronButton1.Text = Messages.SHOW_RUN_HISTORY;
chevronButton1.Image = Properties.Resources.PDChevronDown;
policyHistory1.Visible = false;
}
else
{
chevronButton1.Text = Messages.HIDE_RUN_HISTORY;
chevronButton1.Image = Properties.Resources.PDChevronUp;
policyHistory1.Visible = true;
}
}
protected override void chevronButton1_KeyDown(object sender, KeyEventArgs e)
{
if (e.KeyCode == Keys.Enter || e.KeyCode == Keys.Space)
chevronButton1_ButtonClick(sender, e);
}
}
}