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Cómo subir una carpeta local a un contenedor de Azure blob storage ?
Cómo subir una carpeta local a un contenedor de Azure blob storage ? avatar

May 19, 2016 By Jimmy Quejada Meneses Leave a Comment

Hola amigos!

En días pasados en un proyecto que desarrollabamos con el equipo de iT Synergy del proyecto CPE Windows App Prendo Y Aprendo me encontré con el desafío de desarrollar la funcionalidad para subir un directorio (carpeta) desde el pc del usuario a un contenedor blob storage de Azure. Aunque encontré en internet algunos links base no lograban la implementación completa o tenían referencias obsoletas. Agradezco a las pesonas que con sus post me ayudaron para resolver el problema. 

En este post les comparto la clase base de la implementación desarrollada en C#. El proyecto fue implementado con ASP.NET MVC 5.

using Microsoft.WindowsAzure.Storage;
using Microsoft.WindowsAzure.Storage.Blob;
using Microsoft.WindowsAzure.Storage.RetryPolicies;
using System;
using System.Collections.Generic;
using System.Configuration;
using System.IO;
using System.Linq;

namespace CPE.PrendoYAprendo.ContentManager.Models
{
/// <summary>
/// Blob storage manager class
/// </summary>
public class BlobManager
{
private readonly CloudStorageAccount _account;
private readonly CloudBlobClient _blobClient;

/// <summary>
/// Initializes a new instance of the <see cref=”BlobManager” /> class.
/// </summary>
/// <param name=”connectionStringName”>Name of the connection string in app.config or web.config file.</param>
public BlobManager(string connectionStringName)
{
_account = CloudStorageAccount.Parse(ConfigurationManager.AppSettings[“StorageConnectionString”].ToString());

_blobClient = _account.CreateCloudBlobClient();

IRetryPolicy linearRetryPolicy = new LinearRetry(TimeSpan.FromSeconds(2), 10);
_blobClient.DefaultRequestOptions.RetryPolicy = linearRetryPolicy;

}

/// <summary>
/// Updates or created a blob in Azure blobl storage
/// </summary>
/// <param name=”containerName”>Name of the container.</param>
/// <param name=”blobName”>Name of the blob.</param>
/// <param name=”content”>The content of the blob.</param>
/// <returns></returns>
public bool PutBlob(string containerName, string blobName, byte[] content)
{
return ExecuteWithExceptionHandlingAndReturnValue(
() =>
{
CloudBlobContainer container = _blobClient.GetContainerReference(containerName);
CloudBlockBlob blob = container.GetBlockBlobReference(blobName);
// Primero se convierte el array a stream
//Stream stream = new MemoryStream(content);
using (Stream stream = new MemoryStream(content))
{
blob.UploadFromStream(stream);
}
});
}

/// <summary>
/// Creates the container in Azure blobl storage
/// </summary>
/// <param name=”containerName”>Name of the container.</param>
/// <returns>True if contianer was created successfully</returns>
public bool CreateContainer(string containerName)
{
return ExecuteWithExceptionHandlingAndReturnValue(
() =>
{
CloudBlobContainer container = _blobClient.GetContainerReference(containerName);
container.Create();
});
}

/// <summary>
/// Checks if a container exist.
/// </summary>
/// <param name=”containerName”>Name of the container.</param>
/// <returns>True if conainer exists</returns>
public bool DoesContainerExist(string containerName)
{
bool returnValue = false;
ExecuteWithExceptionHandling(
() =>
{
IEnumerable<CloudBlobContainer> containers = _blobClient.ListContainers();
returnValue = containers.Any(one => one.Name == containerName);
});
return returnValue;
}

/// <summary>
/// Uploads the directory to blobl storage
/// </summary>
/// <param name=”sourceDirectory”>The source directory name.</param>
/// <param name=”containerName”>Name of the container to upload to.</param>
/// <returns>True if successfully uploaded</returns>
public bool UploadDirectory(string sourceDirectory, string containerName)
{
string[] s = containerName.Split(‘/’);
string sContainerName = s[0];
string sFolderName = s[1];

return UploadDirectory(sourceDirectory, sContainerName, sFolderName);
//return UploadDirectory(sourceDirectory, containerName, string.Empty);

}

private bool UploadDirectory(string sourceDirectory, string containerName, string prefixAzureFolderName)
{
return ExecuteWithExceptionHandlingAndReturnValue(
() =>
{
if (!DoesContainerExist(containerName))
{
CreateContainer(containerName);
}
var folder = new DirectoryInfo(sourceDirectory);
var files = folder.GetFiles();
foreach (var fileInfo in files)
{
string blobName = fileInfo.Name;
if (!string.IsNullOrEmpty(prefixAzureFolderName))
{
blobName = prefixAzureFolderName + “/” + blobName;
}
PutBlob(containerName, blobName, File.ReadAllBytes(fileInfo.FullName));
}
var subFolders = folder.GetDirectories();
foreach (var directoryInfo in subFolders)
{
var prefix = directoryInfo.Name;
if (!string.IsNullOrEmpty(prefixAzureFolderName))
{
prefix = prefixAzureFolderName + “/” + prefix;
}
UploadDirectory(directoryInfo.FullName, containerName, prefix);
}
});
}

private void ExecuteWithExceptionHandling(Action action)
{
try
{
action();
}
catch (StorageException ex)
{
var requestInformation = ex.RequestInformation;
if ((int)(System.Net.HttpStatusCode)requestInformation.HttpStatusCode != 409)
{
throw;
}
}
}

private bool ExecuteWithExceptionHandlingAndReturnValue(Action action)
{
try
{
action();
return true;
}
catch (StorageException ex)
{
var requestInformation = ex.RequestInformation;
if ((int)(System.Net.HttpStatusCode)requestInformation.HttpStatusCode == 409)
{
return false;
}
throw;
}
}
}
}

Espero les sea de ayuda.

Cordial saludo,

 

 

 

Filed Under: Desarrollo de software Tagged With: ASP.NET, Azure, Blob Storage, C#, MVC 5

Unable to create BizTalk Project, extension btproj
Unable to create BizTalk Project, extension btproj avatar

March 22, 2010 By Marco Antonio Hernández Prado Leave a Comment

Todas las veces que he tenido que instalar máquinas físicas o máquinas virtuales con VS2008, BizTalk 2009, Windows 2008 me pasa el mismo problema, no puedo crear proyectos BizTalk en Visual Studio, esto ocurre con la instalación del SP1 de Visual Studio 2008, aquí comparto el blog que siempre consulto:

http://blogs.msdn.com/biztalkmusings/archive/2009/09/24/visual-studio-2008-unable-to-create-project-part-ii.aspx

Filed Under: .NET, BizTalk, BizTalk 2010 configurations, BizTalk Application, BizTalk Services, Desarrollo de software, develop

Identificando Cuellos de Botella en su ambiente BizTalk
Identificando Cuellos de Botella en su ambiente BizTalk avatar

March 22, 2010 By Marco Antonio Hernández Prado Leave a Comment

En esto blog aparte de ver las recomendaciones que siempre nos dan con BizTalk para el rendimiento con Microsoft BizTalk Server Performance Optimization Guide nos muestran información de contadores útiles en adaptadores y pipelines

Parte I

http://blog.dynatrace.com/2010/02/25/identify-performance-bottlenecks-in-your-biztalk-environment-part-i/

Parte II

http://blog.dynatrace.com/2010/03/05/identify-performance-bottlenecks-in-your-biztalk-environment-part-ii/

Filed Under: .NET, BAM, BizTalk, BizTalk 2010 configurations, BizTalk Application, Desarrollo de software, develop

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