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generic way to support scriptable operations (#438)

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* implemented a generic way to support scriptable operations
This commit is contained in:
Leila Lali
2017-08-18 16:12:00 -07:00
committed by GitHub
parent 3915688332
commit 39dedd88e0
25 changed files with 953 additions and 289 deletions
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160
src/Microsoft.SqlTools.ServiceLayer/DisasterRecovery/RestoreOperation/RestoreDatabaseHelper.cs
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@@ -7,13 +7,11 @@ using System;
using System.Linq;
using System.Data.Common;
using System.Data.SqlClient;
using System.Threading.Tasks;
using Microsoft.SqlServer.Management.Common;
using Microsoft.SqlServer.Management.Smo;
using Microsoft.SqlTools.ServiceLayer.Connection;
using Microsoft.SqlTools.ServiceLayer.Connection.ReliableConnection;
using Microsoft.SqlTools.ServiceLayer.DisasterRecovery.Contracts;
using Microsoft.SqlTools.ServiceLayer.TaskServices;
using Microsoft.SqlTools.Utility;
using System.Collections.Concurrent;
using Microsoft.SqlTools.ServiceLayer.Utility;
@@ -28,107 +26,6 @@ namespace Microsoft.SqlTools.ServiceLayer.DisasterRecovery.RestoreOperation
public const string LastBackupTaken = "lastBackupTaken";
private ConcurrentDictionary<string, RestoreDatabaseTaskDataObject> sessions = new ConcurrentDictionary<string, RestoreDatabaseTaskDataObject>();
/// <summary>
/// Create a backup task for execution and cancellation
/// </summary>
/// <param name="sqlTask"></param>
/// <returns></returns>
internal async Task<TaskResult> RestoreTaskAsync(SqlTask sqlTask)
{
sqlTask.AddMessage(SR.TaskInProgress, SqlTaskStatus.InProgress, true);
RestoreDatabaseTaskDataObject restoreDataObject = sqlTask.TaskMetadata.Data as RestoreDatabaseTaskDataObject;
TaskResult taskResult = null;
if (restoreDataObject != null)
{
// Create a task to perform backup
return await Task.Factory.StartNew(() =>
{
TaskResult result = new TaskResult();
try
{
if (restoreDataObject.IsValid)
{
ExecuteRestore(restoreDataObject, sqlTask);
result.TaskStatus = SqlTaskStatus.Succeeded;
}
else
{
result.TaskStatus = SqlTaskStatus.Failed;
if (restoreDataObject.ActiveException != null)
{
result.ErrorMessage = restoreDataObject.ActiveException.Message;
}
else
{
result.ErrorMessage = SR.RestoreNotSupported;
}
}
}
catch (Exception ex)
{
result.TaskStatus = SqlTaskStatus.Failed;
result.ErrorMessage = ex.Message;
if (ex.InnerException != null)
{
result.ErrorMessage += Environment.NewLine + ex.InnerException.Message;
}
if (restoreDataObject != null && restoreDataObject.ActiveException != null)
{
result.ErrorMessage += Environment.NewLine + restoreDataObject.ActiveException.Message;
}
}
return result;
});
}
else
{
taskResult = new TaskResult();
taskResult.TaskStatus = SqlTaskStatus.Failed;
}
return taskResult;
}
/// <summary>
/// Async task to cancel restore
/// </summary>
public async Task<TaskResult> CancelTaskAsync(SqlTask sqlTask)
{
RestoreDatabaseTaskDataObject restoreDataObject = sqlTask.TaskMetadata.Data as RestoreDatabaseTaskDataObject;
TaskResult taskResult = null;
if (restoreDataObject != null && restoreDataObject.IsValid)
{
// Create a task for backup cancellation request
return await Task.Factory.StartNew(() =>
{
foreach (Restore restore in restoreDataObject.RestorePlan.RestoreOperations)
{
restore.Abort();
}
return new TaskResult
{
TaskStatus = SqlTaskStatus.Canceled
};
});
}
else
{
taskResult = new TaskResult();
taskResult.TaskStatus = SqlTaskStatus.Failed;
}
return taskResult;
}
/// <summary>
/// Creates response which includes information about the server given to restore (default data location, db names with backupsets)
/// </summary>
@@ -166,7 +63,7 @@ namespace Microsoft.SqlTools.ServiceLayer.DisasterRecovery.RestoreOperation
{
if (restoreDataObject != null && restoreDataObject.IsValid)
{
UpdateRestorePlan(restoreDataObject);
restoreDataObject.UpdateRestoreTaskObject();
if (restoreDataObject != null && restoreDataObject.IsValid)
{
@@ -227,6 +124,7 @@ namespace Microsoft.SqlTools.ServiceLayer.DisasterRecovery.RestoreOperation
response.ErrorMessage += Environment.NewLine;
response.ErrorMessage += ex.InnerException.Message;
}
Logger.Write(LogLevel.Normal, $"Failed to create restore plan. error: { response.ErrorMessage}");
}
return response;
@@ -295,63 +193,11 @@ namespace Microsoft.SqlTools.ServiceLayer.DisasterRecovery.RestoreOperation
return null;
}
/// <summary>
/// Create a restore data object that includes the plan to do the restore operation
/// </summary>
/// <param name="requestParam"></param>
/// <returns></returns>
private void UpdateRestorePlan(RestoreDatabaseTaskDataObject restoreDataObject)
{
bool shouldCreateNewPlan = restoreDataObject.ShouldCreateNewPlan();
if (!string.IsNullOrEmpty(restoreDataObject.RestoreParams.BackupFilePaths))
{
restoreDataObject.AddFiles(restoreDataObject.RestoreParams.BackupFilePaths);
}
restoreDataObject.RestorePlanner.ReadHeaderFromMedia = restoreDataObject.RestoreParams.ReadHeaderFromMedia;
RestoreOptionFactory.Instance.SetAndValidate(RestoreOptionsHelper.SourceDatabaseName, restoreDataObject);
RestoreOptionFactory.Instance.SetAndValidate(RestoreOptionsHelper.TargetDatabaseName, restoreDataObject);
if (shouldCreateNewPlan)
{
restoreDataObject.CreateNewRestorePlan();
}
restoreDataObject.UpdateRestorePlan();
}
private bool CanChangeTargetDatabase(RestoreDatabaseTaskDataObject restoreDataObject)
{
return DatabaseUtils.IsSystemDatabaseConnection(restoreDataObject.Server.ConnectionContext.DatabaseName);
}
/// <summary>
/// Executes the restore operation
/// </summary>
/// <param name="requestParam"></param>
public void ExecuteRestore(RestoreDatabaseTaskDataObject restoreDataObject, SqlTask sqlTask = null)
{
// Restore Plan should be already created and updated at this point
UpdateRestorePlan(restoreDataObject);
if (restoreDataObject != null && CanRestore(restoreDataObject))
{
try
{
restoreDataObject.SqlTask = sqlTask;
restoreDataObject.Execute();
}
catch(Exception ex)
{
throw ex;
}
}
else
{
throw new InvalidOperationException(SR.RestoreNotSupported);
}
}
}
}