public AzureFileSystem(LocalCache cache, Uri root, Uri baseUri, CloudStorageAccount azureAccount, string container, string feedSubPath = null)
: base(cache, root, baseUri, feedSubPath)
{
_azureAccount = azureAccount;
_client = _azureAccount.CreateCloudBlobClient();
_container = _client.GetContainerReference(container);
var containerUri = UriUtility.EnsureTrailingSlash(_container.Uri);
var expectedPath = UriUtility.EnsureTrailingSlash(root);
// Verify that the provided path is sane.
if (!expectedPath.AbsoluteUri.StartsWith(expectedPath.AbsoluteUri, StringComparison.Ordinal))
{
throw new ArgumentException($"Invalid feed path. Azure container {container} resolved to {containerUri.AbsoluteUri} which does not match the provided URI of {expectedPath} Update path in sleet.json or remove the path property to auto resolve the value.");
}
// Compute sub path, ignore the given sub path
var subPath = UriUtility.GetRelativePath(
containerUri,
expectedPath);
if (!string.IsNullOrEmpty(subPath))
{
// Override the given sub path
FeedSubPath = subPath;
}
if (!string.IsNullOrEmpty(FeedSubPath))
{
FeedSubPath = FeedSubPath.Trim('/') + '/';
}
}
/// <summary>
/// Get the relative path of a file
/// </summary>
public static string GetRelativePath(ISleetFile file)
{
if (file is null)
{
throw new ArgumentNullException(nameof(file));
}
var fileSystemBase = file.FileSystem as FileSystemBase;
if (fileSystemBase != null)
{
return(fileSystemBase.GetRelativePath(file.EntityUri));
}
else
{
return(UriUtility.GetRelativePath(file.FileSystem.BaseURI, file.EntityUri));
}
}