public async Task <string> GetFileshare()
{
// this resource does not have support for managed identities, see https://docs.microsoft.com/en-us/azure/active-directory/managed-identities-azure-resources/services-support-managed-identities
var fileName = "test.txt";
var storageConnectionString = _configuration.GetConnectionString("StorageConnectionString");
var shareClient = new ShareClient(storageConnectionString, Environment.GetEnvironmentVariable("FileShareName"));
if (await shareClient.ExistsAsync())
{
// getting file from root
var directory = shareClient.GetRootDirectoryClient();
if (await directory.ExistsAsync())
{
var fileClient = directory.GetFileClient(fileName);
if (!await fileClient.ExistsAsync())
{
await UploadFile(fileClient, fileName);
}
var result = await ReadFileFromFileShare(fileClient, fileName);
return(!string.IsNullOrEmpty(result) ? result : "Something went wrong. Check the logs for more information.");
}
}
return("The fileshare does not exist.");
}
// <snippet_CreateShare>
//-------------------------------------------------
// Create a file share
//-------------------------------------------------
public async Task CreateShareAsync(string shareName)
{
// <snippet_CreateShareClient>
// Get the connection string from app settings
string connectionString = ConfigurationManager.AppSettings["StorageConnectionString"];
// Instantiate a ShareClient which will be used to create and manipulate the file share
ShareClient share = new ShareClient(connectionString, shareName);
// </snippet_CreateShareClient>
// Create the share if it doesn't already exist
await share.CreateIfNotExistsAsync();
// Ensure that the share exists
if (await share.ExistsAsync())
{
Console.WriteLine($"Share created: {share.Name}");
// Get a reference to the sample directory
ShareDirectoryClient directory = share.GetDirectoryClient("CustomLogs");
// Create the directory if it doesn't already exist
await directory.CreateIfNotExistsAsync();
// Ensure that the directory exists
if (await directory.ExistsAsync())
{
// Get a reference to a file object
ShareFileClient file = directory.GetFileClient("Log1.txt");
// Ensure that the file exists
if (await file.ExistsAsync())
{
Console.WriteLine($"File exists: {file.Name}");
// Download the file
ShareFileDownloadInfo download = await file.DownloadAsync();
// Save the data to a local file, overwrite if the file already exists
using (FileStream stream = File.OpenWrite(@"downloadedLog1.txt"))
{
await download.Content.CopyToAsync(stream);
await stream.FlushAsync();
stream.Close();
// Display where the file was saved
Console.WriteLine($"File downloaded: {stream.Name}");
}
}
}
}
else
{
Console.WriteLine($"CreateShareAsync failed");
}
}
// </snippet_CopyFileToBlob>
// <snippet_CreateShareSnapshot>
//-------------------------------------------------
// Create a share snapshot
//-------------------------------------------------
public async Task CreateShareSnapshotAsync(string shareName)
{
// Get the connection string from app settings
string connectionString = ConfigurationManager.AppSettings["StorageConnectionString"];
// Instatiate a ShareServiceClient
ShareServiceClient shareServiceClient = new ShareServiceClient(connectionString);
// Instantiate a ShareClient which will be used to access the file share
ShareClient share = shareServiceClient.GetShareClient(shareName);
// Ensure that the share exists
if (await share.ExistsAsync())
{
// Create a snapshot
ShareSnapshotInfo snapshotInfo = await share.CreateSnapshotAsync();
Console.WriteLine($"Snapshot created: {snapshotInfo.Snapshot}");
}
}
// <snippet_UploadFileWithSas>
// <snippet_SetMaxShareSize>
//-------------------------------------------------
// Set the maximum size of a share
//-------------------------------------------------
public async Task SetMaxShareSizeAsync(string shareName, int increaseSizeInGiB)
{
const long ONE_GIBIBYTE = 10737420000; // Number of bytes in 1 gibibyte
// Get the connection string from app settings
string connectionString = ConfigurationManager.AppSettings["StorageConnectionString"];
// Instantiate a ShareClient which will be used to access the file share
ShareClient share = new ShareClient(connectionString, shareName);
// Create the share if it doesn't already exist
await share.CreateIfNotExistsAsync();
// Ensure that the share exists
if (await share.ExistsAsync())
{
// Get and display current share quota
ShareProperties properties = await share.GetPropertiesAsync();
Console.WriteLine($"Current share quota: {properties.QuotaInGB} GiB");
// Get and display current usage stats for the share
ShareStatistics stats = await share.GetStatisticsAsync();
Console.WriteLine($"Current share usage: {stats.ShareUsageInBytes} bytes");
// Convert current usage from bytes into GiB
int currentGiB = (int)(stats.ShareUsageInBytes / ONE_GIBIBYTE);
// This line sets the quota to be the current
// usage of the share plus the increase amount
await share.SetQuotaAsync(currentGiB + increaseSizeInGiB);
// Get the new quota and display it
properties = await share.GetPropertiesAsync();
Console.WriteLine($"New share quota: {properties.QuotaInGB} GiB");
}
}