/// <summary>
/// Mounts a drive
/// </summary>
/// <param name="credentials"></param>
/// <param name="azureDriveContainerName"></param>
/// <param name="azureDrivePageBlobName"></param>
/// <param name="azureDriveCacheDirName"></param>
/// <param name="azureDriveCacheSizeInMB"></param>
/// <param name="azureDriveSizeInMB"></param>
/// <returns></returns>
public static string MountAzureDrive(CloudStorageAccount csa, string azureDriveContainerName, string azureDrivePageBlobName, string azureDriveCacheDirName, int azureDriveCacheSizeInMB, int azureDriveSizeInMB, DriveMountOptions driveOptions, out bool wasAlreadyMounted)
{
// Create the blob client
CloudBlobClient client = csa.CreateCloudBlobClient();
// Create the blob container which will contain the pageblob corresponding to the azure drive.
CloudBlobContainer container = client.GetContainerReference(azureDriveContainerName);
container.CreateIfNotExist();
// Get the page blob reference which will be used by the azure drive.
CloudPageBlob blob = container.GetPageBlobReference(azureDrivePageBlobName);
return(MountAzureDrive(csa, blob.Uri, azureDriveCacheDirName, azureDriveCacheSizeInMB, azureDriveSizeInMB, driveOptions, out wasAlreadyMounted));
}
/// <summary>
///
/// </summary>
/// <param name="accountName"></param>
/// <param name="accountKey"></param>
/// <param name="vhdUri"></param>
/// <param name="azureDriveCacheDirName"></param>
/// <param name="azureDriveCacheSizeInMB"></param>
/// <param name="azureDriveSizeInMB"></param>
/// <param name="driveOptions"></param>
/// <returns></returns>
public static string MountAzureDrive(string accountName, string accountKey, Uri vhdUri, string azureDriveCacheDirName, int azureDriveCacheSizeInMB, int azureDriveSizeInMB, DriveMountOptions driveOptions, out bool wasAlreadyMounted)
{
// StorageCredentialsAccountAndKey credentials = new StorageCredentialsAccountAndKey(accountName, accountKey);
CloudStorageAccount csa = WAStorageHelper.GetCloudStorageAccount(accountName, accountKey, false);
return(MountAzureDrive(csa, vhdUri, azureDriveCacheDirName, azureDriveCacheSizeInMB, azureDriveSizeInMB, driveOptions, out wasAlreadyMounted));
}
/// <summary>
///
/// </summary>
/// <param name="csa"></param>
/// <param name="vhdUri"></param>
/// <param name="azureDriveCacheDirName"></param>
/// <param name="azureDriveCacheSizeInMB"></param>
/// <param name="azureDriveSizeInMB"></param>
/// <param name="driveOptions"></param>
/// <returns></returns>
public static string MountAzureDrive(CloudStorageAccount csa, Uri vhdUri, string azureDriveCacheDirName, int azureDriveCacheSizeInMB, int azureDriveSizeInMB, DriveMountOptions driveOptions, out bool wasAlreadyMounted)
{
wasAlreadyMounted = false;
// Initialize the cache for mounting the drive.
CloudDrive.InitializeCache(azureDriveCacheDirName, azureDriveCacheSizeInMB);
CloudDrive drive = null;
drive = new CloudDrive(vhdUri, csa.Credentials);
Uri driveUri = CloudDrive.GetMountedDrives().Values.Where(tuple => tuple == vhdUri).FirstOrDefault();
// Find out whether the drive has already been mounted by some other instance.
if (driveUri == null)
{
try
{
// Create the drive. Currently no method is provided to verify whether the
// drive is already created or not.
drive.Create(azureDriveSizeInMB);
}
catch (CloudDriveException)
{
// An exception can be thrown if the drive already exists. Hence ignore the
// exception here. If anything is not right, the Mount() will fail.
}
// Mount the drive.
string driveLetter = drive.Mount(azureDriveCacheSizeInMB, driveOptions);
return(driveLetter);
}
else
{
//Drive is already mounted. So get the drive letter for the drive
IDictionary <string, Uri> drives = CloudDrive.GetMountedDrives();
IEnumerator <KeyValuePair <string, Uri> > e = drives.GetEnumerator();
while (e.MoveNext())
{
if (e.Current.Value == vhdUri)
{
wasAlreadyMounted = true;
return(e.Current.Key);
}
}
}
throw new Exception("Unable to mount the drive." + vhdUri.ToString());
}
