Deleting entire directories using azure blob storage api

Question

I am using the Azure object store in the following manner:

I have one container, and beneath it many blobs in a directory structure.

I am using Azure Blob Storage api to manage it.

Is there a way to delete an entire directory?
Do I really need to list all the blobs under it and then delete them one by one?
Is there a workaround like deleting all blobs with the same uri prefix (again, without listing them and then deleting them one by one)?

Alex Belotserkovskiy · Accepted Answer · 2016-04-14 18:34:24Z

1

I don't know if there is a new solution, but we did that using https://msdn.microsoft.com/library/microsoft.windowsazure.storage.blob.cloudblobcontainer.listblobs.aspx - if we see what is going on with Fiddler, there are only prefix-ed blobs returned. Please see if that will work for you:

static void GetBlobsByPrefix(string Container, string Prefix)
    {
        if (!string.IsNullOrEmpty(Prefix))
        {
            var _Container = GetBlobContainer(Container);
            var _Blobs = _Container.ListBlobs(Prefix, true);
            foreach (IListBlobItem blob in _Blobs)
            {

                 ....
            }
        }
    }

    static CloudBlobContainer GetBlobContainer(string container)
    {           

        CloudStorageAccount _StorageAccount = CloudStorageAccount.Parse(
            CloudConfigurationManager.GetSetting("rus_AzureStorageConnectionString"));

        CloudBlobClient _BlobClient = _StorageAccount.CreateCloudBlobClient();
        CloudBlobContainer _Container = _BlobClient.GetContainerReference(container);
        return _Container;
    }

answered Apr 14, 2016 at 18:34

Alex Belotserkovskiy

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1 Comment

Meytal Over a year ago

Thank you, but I was looking for a solution that didn't involve listing the blobs and then going over them and delete them one by one.

Thiago Custodio · Accepted Answer · 2016-04-14 17:14:32Z

0

You can delete the container and all your blobs will be deleted. Containers on Azure Storage act as a "folder" for your blobs.

answered Apr 14, 2016 at 17:14

Thiago Custodio

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1 Comment

Meytal Over a year ago

In our current structure in the storage, there is only one container and I don't want to delete all the folders under it. before changing the structure and making each main folder a container, I wanted to be sure there is currently no way to delete all the blobs in the folder in a scalable way (or at least moving the responsibility for the efficient deletion to azure).

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