| public GetPageBlobReference ( string blobAddressUri ) : Microsoft.WindowsAzure.StorageClient.CloudPageBlob | ||
| blobAddressUri | string | The name of the blob, or the absolute URI to the blob. |
| return | Microsoft.WindowsAzure.StorageClient.CloudPageBlob | |
public static string MountDrive(string containerName, string vhdName, int driveSize, int driveLocalReadCacheSize)
{
var client = GetCloudClientInstance();
// Create the container for the drive if it does not already exist.
var container = new CloudBlobContainer(containerName, client);
if (container.CreateIfNotExist())
{
container.SetPermissions(new BlobContainerPermissions {PublicAccess = BlobContainerPublicAccessType.Off});
}
var cloudDrive = new CloudDrive(container.GetPageBlobReference(vhdName).Uri, client.Credentials);
try
{
cloudDrive.Create(driveSize);
}
catch (CloudDriveException ex)
{
Logger.Info(string.Format("Cloud drive already exists. Uri: {0}", cloudDrive.Uri), ex);
}
string pathToDrive = cloudDrive.Mount(driveLocalReadCacheSize, DriveMountOptions.Force);
return pathToDrive;
}
public void CreateDriveEx()
{
try
{
CloudBlobClient client = _account.CreateCloudBlobClient();
// Create the container for the drive if it does not already exist.
CloudBlobContainer container = new CloudBlobContainer("mydrives", client);
container.CreateIfNotExist();
// Get a reference to the page blob that will back the drive.
CloudPageBlob pageBlob = container.GetPageBlobReference(_vhdName);
_cloudDrive = new CloudDrive(pageBlob.Uri, _account.Credentials);
//_cloudDrive = _account.CreateCloudDrive(_vhdName);
_logger.Log("using account " + _account.BlobEndpoint + " to create " + _vhdName);
var rv = _cloudDrive.CreateIfNotExist(DISK_SIZE);
_logger.Log("done create drive");
}
catch (Exception ex)
{
_logger.Log("error on CreateDrive", ex);
}
}
private void OnInitialize()
{
var selfInstance = InstanceEnumerator.EnumerateInstances().First(i => i.IsSelf);
cloudStorageAccount = CloudStorageAccount.Parse(RoleEnvironment.GetConfigurationSettingValue(ConfigurationSettingsKeys.StorageConnectionString));
log.Info("Storage account selected: {0}",cloudStorageAccount.BlobEndpoint);
cloudBlobClient = cloudStorageAccount.CreateCloudBlobClient();
log.Info("Storage client created");
var containerName = ConfigurationProvider.GetSetting(ConfigurationSettingsKeys.StorageContainerName,"ravendb");
// In order to force a connection we just enumerate all available containers:
var availableContainers = cloudBlobClient.ListContainers().ToArray();
foreach (var container in availableContainers)
{
log.Info("Available container: {0}",container.Name);
}
if (!availableContainers.Any(c => c.Name.Equals(containerName)))
{
log.Info("Container {0} does not exist, creating",containerName);
// Container does not exist:
cloudBlobClient.GetContainerReference(containerName).Create();
}
cloudBlobContainer = cloudBlobClient.GetContainerReference(containerName);
log.Info("Container {0} selected",cloudBlobContainer.Name);
localCache = RoleEnvironment.GetLocalResource(ConfigurationSettingsKeys.StorageCacheResource);
log.Info("Cache resource retrieved: {0}, path: {1}",localCache.Name,localCache.RootPath);
CloudDrive.InitializeCache(localCache.RootPath, localCache.MaximumSizeInMegabytes);
log.Info("Cache initialized: {0} mb",localCache.MaximumSizeInMegabytes);
var driveName = string.Format("{0}{1}.vhd", selfInstance.InstanceType, selfInstance.InstanceIndex).ToLowerInvariant();
log.Info("Virtual drive name: {0}",driveName);
var pageBlob = cloudBlobContainer.GetPageBlobReference(driveName);
log.Info("Virtual drive blob: {0}",pageBlob.Uri);
cloudDrive = cloudStorageAccount.CreateCloudDrive(pageBlob.Uri.ToString());
log.Info("Virtual drive created: {0}",cloudDrive.Uri);
var storageSize = ConfigurationProvider.GetSetting(ConfigurationSettingsKeys.StorageSize, 50000);
log.Info("Storage size: {0} mb",storageSize);
cloudDrive.CreateIfNotExist(storageSize);
log.Info("Virtual drive initialized: {0}",cloudDrive.Uri);
var mountedDirectoryPath = cloudDrive.Mount(storageSize, DriveMountOptions.None);
log.Info("Virtual drive mounted at: {0}",mountedDirectoryPath);
mountedDirectory = new DirectoryInfo(mountedDirectoryPath);
log.Info("Ensuring drive is available: {0}",mountedDirectoryPath);
UpdateTestFile();
log.Info("Storage initialization succeeded");
}
