xenadmin/XenAdmin/Dialogs/ScheduledSnapshots/ScheduledSnapshotsDialog.cs
2018-11-02 12:03:56 +00:00

565 lines
22 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.ComponentModel;
using System.Drawing;
using System.Linq;
using System.Windows.Forms;
using XenAdmin.Actions;
using XenAdmin.Alerts;
using XenAdmin.Controls;
using XenAdmin.Core;
using XenAdmin.Properties;
using XenAdmin.Wizards.NewPolicyWizard;
using XenAPI;
namespace XenAdmin.Dialogs.ScheduledSnapshots
{
public partial class ScheduledSnapshotsDialog: XenDialogBase
{
private static readonly log4net.ILog log = log4net.LogManager.GetLogger(System.Reflection.MethodBase.GetCurrentMethod().DeclaringType);
private readonly Pool Pool;
private bool updatingPolicies;
public ScheduledSnapshotsDialog(Pool pool)
: base(pool.Connection)
{
Pool = pool;
InitializeComponent();
chevronButton1.Text = Messages.SHOW_RUN_HISTORY;
chevronButton1.Image = Properties.Resources.PDChevronDown;
ColumnExpand.DefaultCellStyle.NullValue = null;
comboBoxTimeSpan.SelectedIndex = 0;
dataGridViewRunHistory.Columns[2].ValueType = typeof(DateTime);
dataGridViewRunHistory.Columns[2].DefaultCellStyle.Format = Messages.DATEFORMAT_DMY_HM;
panelHistory.Visible = false;
RefreshPoolTitle(pool);
RefreshButtons();
}
public ScheduledSnapshotsDialog() { }
private PolicyRow SelectedVmssRow
{
get
{
if (dataGridViewPolicies.SelectedRows.Count > 0)
return dataGridViewPolicies.SelectedRows[0] as PolicyRow;
return null;
}
}
private int RunHistoryTimeSpan
{
get
{
switch (comboBoxTimeSpan.SelectedIndex)
{
case 0: //top 10 messages (default)
return 0;
case 1:
return 24; //messages from past 24 Hrs
case 2:
return 7 * 24; //messages from last 7 days
default:
return 0;
}
}
}
private class PolicyRow : DataGridViewRow
{
private DataGridViewTextBoxCell _name = new DataGridViewTextBoxCell();
private DataGridViewTextBoxCell _numVMs = new DataGridViewTextBoxCell();
private DataGridViewTextBoxCell _nextRunTime = new DataGridViewTextBoxCell();
private DataGridViewTextBoxCell _status = new DataGridViewTextBoxCell();
private DataGridViewTextAndImageCell _lastResult = new DataGridViewTextAndImageCell();
private readonly DateTime? _serverLocalTime;
private readonly VMSS _policy;
private readonly List<XenAPI.Message> _alertMessages;
public bool IsBusy { get; set; }
public VMSS Policy { get { return _policy; } }
public List<XenAPI.Message> AlertMessages { get { return _alertMessages; } }
public string PolicyName { get; private set; }
public string PolicyStatus { get; private set; }
public int PolicyVmCount { get; private set; }
public DateTime? PolicyNextRunTime { get; private set; }
public string PolicyLastResult { get; private set; }
private Bitmap PolicyLastResultImage { get; set; }
public PolicyRow(VMSS policy, List<XenAPI.Message> alertMessages, DateTime? serverLocalTime)
{
Cells.AddRange(_name, _status, _numVMs, _nextRunTime, _lastResult);
_policy = policy;
_alertMessages = alertMessages;
_serverLocalTime = serverLocalTime;
RefreshRow();
}
private void RefreshRow()
{
PolicyName = _policy.Name();
PolicyVmCount = _policy.VMs.FindAll(vm => _policy.Connection.Resolve(vm).is_a_real_vm()).Count;
PolicyStatus = _policy.enabled ? Messages.ENABLED : Messages.DISABLED;
if (_serverLocalTime.HasValue)
PolicyNextRunTime = _policy.GetNextRunTime(_serverLocalTime.Value);
else
PolicyNextRunTime = null;
if (_alertMessages.Count > 0)
{
if (_alertMessages[0].priority == PolicyAlert.INFO_PRIORITY)
{
PolicyLastResult = Messages.VMSS_SUCCEEDED;
PolicyLastResultImage = Resources._075_TickRound_h32bit_16;
}
else
{
PolicyLastResult = Messages.FAILED;
PolicyLastResultImage = Resources._075_WarningRound_h32bit_16;
}
}
else
{
PolicyLastResult = Messages.NOT_YET_RUN;
PolicyLastResultImage = null;
}
_name.Value = PolicyName;
_numVMs.Value = PolicyVmCount;
_status.Value = PolicyStatus;
_lastResult.Value = PolicyLastResult;
_lastResult.Image = PolicyLastResultImage;
_nextRunTime.Value = PolicyNextRunTime.HasValue
? HelpersGUI.DateTimeToString(PolicyNextRunTime.Value, Messages.DATEFORMAT_DMY_HM, true)
: Messages.VMSS_HOST_NOT_LIVE;
}
}
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(vm.snapshot_schedule) != null)
protectedVMs++;
}
}
labelPolicyTitle.Text = string.Format(Helpers.IsPool(pool.Connection)
? Messages.VMSS_SCHEDULED_SNAPSHOTS_DEFINED_FOR_POOL
: Messages.VMSS_SCHEDULED_SNAPSHOTS_DEFINED_FOR_SERVER,
pool.Name().Ellipsise(45), protectedVMs, realVMs);
}
private void VMSSCollectionChanged(object sender, EventArgs e)
{
LoadPolicies();
}
private void LoadPolicies()
{
var action = new LoadVmssAction(Pool.Connection);
action.Completed += action_Completed;
action.RunAsync();
}
private void action_Completed(ActionBase sender)
{
var action = sender as LoadVmssAction;
if (action == null || !action.Succeeded)
return;
Program.Invoke(Program.MainWindow, () =>
{
try
{
panelLoading.Visible = false;
updatingPolicies = true;
var selectedPolicyUuids = (from PolicyRow row in dataGridViewPolicies.SelectedRows
select row.Policy.uuid).ToList();
var rowList = from kvp in action.SnapshotSchedules select new PolicyRow(kvp.Key, kvp.Value, action.ServerLocalTime);
Func<PolicyRow, object> comparer = p => p.PolicyName;
if (dataGridViewPolicies.SortedColumn != null)
{
if (dataGridViewPolicies.SortedColumn.Index == NameColum.Index)
comparer = p => p.PolicyName;
else if (dataGridViewPolicies.SortedColumn.Index == EnabledColumn.Index)
comparer = p => p.PolicyStatus;
else if (dataGridViewPolicies.SortedColumn.Index == ColumnVMs.Index)
comparer = p => p.PolicyVmCount;
else if (dataGridViewPolicies.SortedColumn.Index == DescriptionColum.Index)
comparer = p => p.PolicyNextRunTime;
else if (dataGridViewPolicies.SortedColumn.Index == ColumnLastResult.Index)
comparer = p => p.PolicyLastResult;
}
var rows = dataGridViewPolicies.SortOrder == SortOrder.Descending
? rowList.OrderByDescending(comparer) : rowList.OrderBy(comparer);
dataGridViewPolicies.SuspendLayout();
dataGridViewPolicies.Rows.Clear();
dataGridViewPolicies.Rows.AddRange(rows.Cast<DataGridViewRow>().ToArray());
foreach (PolicyRow row in dataGridViewPolicies.Rows)
row.Selected = selectedPolicyUuids.Contains(row.Policy.uuid);
if (dataGridViewPolicies.SelectedRows.Count == 0 && dataGridViewPolicies.Rows.Count > 0)
dataGridViewPolicies.Rows[0].Selected = true;
}
finally
{
dataGridViewPolicies.ResumeLayout();
updatingPolicies = false;
if (action.ServerLocalTime.HasValue)
{
string time= HelpersGUI.DateTimeToString(action.ServerLocalTime.Value, Messages.DATEFORMAT_WDMY_HM_LONG, true);
labelServerTime.Text = string.Format(Messages.SERVER_TIME, time);
}
RefreshPoolTitle(Pool);
RefreshButtons();
RefreshHistoryLabel();
RefreshHistoryGrid();
}
});
}
private void VMProtectionPoliciesDialog_Load(object sender, EventArgs e)
{
panelLoading.Visible = true;
Pool.Connection.Cache.RegisterBatchCollectionChanged<VMSS>(VMSSCollectionChanged);
LoadPolicies();
}
private void VMProtectionPoliciesDialog_FormClosed(object sender, FormClosedEventArgs e)
{
Pool.Connection.Cache.DeregisterBatchCollectionChanged<VMSS>(VMSSCollectionChanged);
}
private void dataGridViewPolicies_SelectionChanged(object sender, EventArgs e)
{
if (updatingPolicies)
return;
RefreshButtons();
RefreshHistoryLabel();
RefreshHistoryGrid();
}
private void RefreshButtons()
{
if (dataGridViewPolicies.SelectedRows.Count == 1)
{
var row = SelectedVmssRow;
buttonEnable.Text = row.Policy.enabled ? Messages.DISABLE : Messages.ENABLE;
buttonEnable.Enabled = !row.IsBusy && (row.Policy.VMs.Count != 0 || row.Policy.enabled);
buttonProperties.Enabled = !row.IsBusy;
buttonRunNow.Enabled = !row.IsBusy && row.Policy.enabled;
comboBoxTimeSpan.Enabled = !row.IsBusy;
}
else
{
buttonProperties.Enabled = buttonEnable.Enabled = buttonRunNow.Enabled =
comboBoxTimeSpan.Enabled = false;
}
buttonDelete.Enabled = (from PolicyRow row in dataGridViewPolicies.SelectedRows where !row.IsBusy select row).Any();
}
#region Button event handlers
private void buttonNew_Click(object sender, System.EventArgs e)
{
new NewPolicyWizard(Pool).Show(this);
}
private void buttonCancel_Click(object sender, System.EventArgs e)
{
this.Close();
}
private void buttonEnable_Click(object sender, EventArgs e)
{
var row = SelectedVmssRow;
if (row != null)
{
row.IsBusy = true;
RefreshButtons();
new ChangePolicyEnabledAction(row.Policy).RunAsync();
}
}
private void buttonRunNow_Click(object sender, EventArgs e)
{
var row = SelectedVmssRow;
if (row != null)
{
row.IsBusy = true;
RefreshButtons();
new RunPolicyNowAction(row.Policy).RunAsync();
}
}
private void buttonProperties_Click(object sender, EventArgs e)
{
var row = SelectedVmssRow;
if (row != null)
{
using (PropertiesDialog propertiesDialog = new PropertiesDialog(row.Policy))
propertiesDialog.ShowDialog(this);
}
}
private void buttonDelete_Click(object sender, EventArgs e)
{
var selectedPolicies = new List<VMSS>();
int numberOfProtectedVMs = 0;
foreach (PolicyRow row in dataGridViewPolicies.SelectedRows)
{
selectedPolicies.Add(row.Policy);
numberOfProtectedVMs += row.Policy.VMs.Count;
}
string text = selectedPolicies.Count == 1
? String.Format(numberOfProtectedVMs == 0
? Messages.CONFIRM_DELETE_POLICY_0
: Messages.CONFIRM_DELETE_POLICY, selectedPolicies[0].Name(), numberOfProtectedVMs)
: string.Format(numberOfProtectedVMs == 0
? Messages.CONFIRM_DELETE_POLICIES_0
: Messages.CONFIRM_DELETE_POLICIES, numberOfProtectedVMs);
using (var dlg = new ThreeButtonDialog(
new ThreeButtonDialog.Details(SystemIcons.Warning, text, Messages.DELETE_VMSS_TITLE),
ThreeButtonDialog.ButtonYes,
ThreeButtonDialog.ButtonNo))
{
if (dlg.ShowDialog(this) == DialogResult.Yes)
{
foreach (PolicyRow row in dataGridViewPolicies.SelectedRows)
row.IsBusy = true;
RefreshButtons();
new DestroyPolicyAction(Pool.Connection, selectedPolicies).RunAsync();
}
}
}
private 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;
panelHistory.Visible = false;
}
else
{
chevronButton1.Text = Messages.HIDE_RUN_HISTORY;
chevronButton1.Image = Properties.Resources.PDChevronUp;
panelHistory.Visible = true;
}
}
private void chevronButton1_KeyDown(object sender, KeyEventArgs e)
{
if (e.KeyCode == Keys.Enter || e.KeyCode == Keys.Space)
chevronButton1_ButtonClick(sender, e);
}
#endregion
internal override string HelpName
{
get
{
return "VMSnapshotSchedulesDialog";
}
}
private void dataGridViewRunHistory_CellClick(object sender, DataGridViewCellEventArgs e)
{
if (e.RowIndex >= 0)
{
HistoryRow row = (HistoryRow)dataGridViewRunHistory.Rows[e.RowIndex];
if (row.Alert.Type != "info")
{
row.Expanded = !row.Expanded;
row.RefreshRow();
}
}
}
private void comboBoxTimeSpan_SelectedIndexChanged(object sender, EventArgs e)
{
RefreshHistoryGrid();
}
private void RefreshHistoryGrid()
{
try
{
dataGridViewRunHistory.SuspendLayout();
dataGridViewRunHistory.Rows.Clear();
var row = SelectedVmssRow;
if (row == null)
return;
var vmss = row.Policy;
var messages = row.AlertMessages;
int hoursFromNow = RunHistoryTimeSpan;
DateTime currentTime = DateTime.Now;
DateTime offset = currentTime.Add(new TimeSpan(-hoursFromNow, 0, 0));
if (hoursFromNow == 0)
{
for (int i = 0; i < 10 && i < messages.Count; i++)
{
var msg = messages[i];
var alert = new PolicyAlert(msg.priority, msg.name, msg.TimestampLocal(), msg.body, vmss.Name());
dataGridViewRunHistory.Rows.Add(new HistoryRow(alert));
}
}
else
{
foreach (var msg in messages)
{
if (msg.TimestampLocal() >= offset)
{
var alert = new PolicyAlert(msg.priority, msg.name, msg.TimestampLocal(), msg.body, vmss.Name());
dataGridViewRunHistory.Rows.Add(new HistoryRow(alert));
}
else
break;
}
}
}
finally
{
dataGridViewRunHistory.ResumeLayout();
}
}
private void RefreshHistoryLabel()
{
var row = SelectedVmssRow;
if (row == null)
{
labelHistory.Text = "";
return;
}
string name = row.Policy.Name();
// ellipsise if necessary
using (Graphics g = labelHistory.CreateGraphics())
{
int maxWidth = labelShow.Left - labelHistory.Left;
int availableWidth = maxWidth - (int)g.MeasureString(string.Format(Messages.HISTORY_FOR_POLICY, ""), labelHistory.Font).Width;
name = name.Ellipsise(new Rectangle(0, 0, availableWidth, labelHistory.Height), labelHistory.Font);
}
labelHistory.Text = string.Format(Messages.HISTORY_FOR_POLICY, name);
}
private class HistoryRow : DataGridViewRow
{
private DataGridViewImageCell _expand = new DataGridViewImageCell();
private DataGridViewTextAndImageCell _result = new DataGridViewTextAndImageCell();
private DataGridViewTextBoxCell _dateTime = new DataGridViewTextBoxCell();
private DataGridViewTextBoxCell _description = new DataGridViewTextBoxCell();
public readonly PolicyAlert Alert;
public HistoryRow(PolicyAlert alert)
{
Alert = alert;
Cells.AddRange(_expand, _result, _dateTime, _description);
RefreshRow();
}
[DefaultValue(false)]
public bool Expanded { get; set; }
public void RefreshRow()
{
_expand.Value = Expanded ? Resources.expanded_triangle : Resources.contracted_triangle;
if (Alert.Type == "info")
_expand.Value = null;
if (Alert.Type == "error")
{
_result.Image = Properties.Resources._075_WarningRound_h32bit_16;
_result.Value = Messages.ERROR;
}
else if (Alert.Type == "warn")
{
_result.Image = Properties.Resources._075_WarningRound_h32bit_16;
_result.Value = Messages.WARNING;
}
else if (Alert.Type == "info")
{
_result.Image = Properties.Resources._075_TickRound_h32bit_16;
_result.Value = Messages.INFORMATION;
}
_dateTime.Value = Alert.Time;
if (Alert.Type == "error")
_description.Value = Expanded ? string.Format("{0}\r\n{1}", Alert.ShortFormatBody, Alert.Text) : Alert.ShortFormatBody.Ellipsise(80);
else
_description.Value = Expanded ? Alert.Text : Alert.ShortFormatBody.Ellipsise(90);
}
}
}
}