使用服务帐户从 Azure Blob 存储中批量删除文件

Delete files in batch from azure blob storage using service account

我正在使用 azure blob 存储来存储我的项目文件。

我有一个 Azure Blob 存储服务帐户(client_id 和 client_secret)。我使用 StorageCredentialsToken 创建了 CloudBlobClient,如下所示:

StorageCredentialsToken credentialsToken = new StorageCredentialsToken("account name", "access token generated uing client_id and client_secret");
CloudBlobClient blobClient = new CloudBlobClient(new URI("https://accountname.blob.core.windows.net/"), credentialsToken);
CloudBlobContainer cloudBlobContainer = blobClient.getContainerReference("conteiner name");

现在使用 CloudBlobContainer 我一次可以删除一个文件:

CloudBlockBlob blockBlobReference = cloudBlobContainer.getBlockBlobReference(key);
if (blockBlobReference.exists()) {
    blockBlobReference.delete();
}

如何使用一次调用删除多个文件?

我发现 this 文档说我们可以使用 BlobBatchClient 删除多个文件。在文档中,我找不到任何使用服务帐户创建 BlobBatchClient 的方法(使用 client_id 和 client_secret 获得的访问令牌)。

我需要删除100个文件,我们可以在异步调用中删除文件吗? 有没有批量删除文件的替代解决方案?

SDK版本compile group: 'com.microsoft.azure', name: 'azure-storage', version: '8.6.5'

根据 Jim 的评论,我使用访问令牌创建了 BlobServiceAsyncClient 示例方法:

public void delete(List<String> files) {
        String endpoint = "https://azureaccount.blob.core.windows.net/";
        AccessToken accessToken = new AccessToken("access token created with client id and client secret", OffsetDateTime.now().plusHours(1)); 
        BlobServiceAsyncClient storageClient = new BlobServiceClientBuilder().credential(request -> Mono.just(accessToken))
                .endpoint(endpoint)
                .buildAsyncClient();
        BlobBatchClient blobBatchClient = new BlobBatchClientBuilder(storageClient).buildClient();
        List<String> blobUrls = new ArrayList<>();
        files.forEach(name -> {
            try {
                String blobUrl = endpoint + "conteinerName/" + URLEncoder.encode(name, "UTF-8");
                blobUrls.add(blobUrl);
            } catch (UnsupportedEncodingException e) {
                LOGGER.debug("Can not encode blob name={}", name);
            }
        });
        blobBatchClient.deleteBlobs(blobUrls, DeleteSnapshotsOptionType.INCLUDE).forEach(response -> {
                    LOGGER.debug("File with name={} deleted, status code={}", response.getRequest().getUrl(), response.getStatusCode());
                }
        );
}

Gradle 依赖关系:

compile group: 'com.azure', name: 'azure-storage-blob', version: '12.0.0'
compile group: 'com.azure', name: 'azure-storage-blob-batch', version: '12.6.0'