This section provides comprehensive documentation and API references for managing Azure Blob Storage using the Microsoft Azure SDKs and REST APIs. Azure Blob Storage is Microsoft's object storage solution for the cloud. Blob storage is optimized for storing massive amounts of unstructured data, such as text or binary data.
Key features include:
A storage account provides a unique namespace in Azure for your data object. All objects that you add to Azure Storage have their addresses that include your unique account name. You can manage your storage accounts through the Azure portal, Azure CLI, PowerShell, or SDKs.
A container is a logical grouping of blobs. You can think of a container as a folder in the file system.
Blobs can be any type of text or binary data, such as images, documents, streaming media, or application data. There are three types of blobs:
Access and manage Azure Blob Storage programmatically using various SDKs or the REST API.
Manage blobs with the powerful and convenient JavaScript SDK.
Method: uploadBlob()
Description: Uploads a block blob to the container.
import { BlobServiceClient } from "@azure/storage-blob";
async function uploadBlob(accountName, containerName, blobName, data) {
const blobServiceClient = new BlobServiceClient(`https://${accountName}.blob.core.windows.net`);
const containerClient = blobServiceClient.getContainerClient(containerName);
const blockBlobClient = containerClient.getBlockBlobClient(blobName);
await blockBlobClient.upload(data, data.length);
console.log(`Blob "${blobName}" uploaded successfully.`);
}
// Example usage:
// uploadBlob("your_storage_account_name", "mycontainer", "myblob.txt", "Hello Azure Blob Storage!");
Method: listBlobsFlat()
Description: Lists all blobs in a container.
async function listBlobs(accountName, containerName) {
const blobServiceClient = new BlobServiceClient(`https://${accountName}.blob.core.windows.net`);
const containerClient = blobServiceClient.getContainerClient(containerName);
for await (const blobItem of containerClient.listBlobsFlat()) {
console.log(`Blob: ${blobItem.name}`);
}
}
// Example usage:
// listBlobs("your_storage_account_name", "mycontainer");
Interact with Blob Storage using the Python SDK.
Method: upload_blob()
Description: Uploads data to a blob.
from azure.storage.blob import BlobServiceClient
def upload_blob(connect_str, container_name, blob_name, data):
blob_service_client = BlobServiceClient.from_connection_string(connect_str)
container_client = blob_service_client.get_container_client(container_name)
container_client.upload_blob(name=blob_name, data=data)
print(f"Blob '{blob_name}' uploaded successfully.")
# Example usage:
# connection_string = "YOUR_CONNECTION_STRING"
# upload_blob(connection_string, "mycontainer", "myblob.txt", "Hello Azure Blob Storage!")
Method: download_blob()
Description: Downloads the content of a blob.
def download_blob(connect_str, container_name, blob_name):
blob_service_client = BlobServiceClient.from_connection_string(connect_str)
container_client = blob_service_client.get_container_client(container_name)
blob_client = container_client.get_blob_client(blob_name)
download_stream = blob_client.download_blob()
data = download_stream.readall()
print(f"Blob '{blob_name}' downloaded: {data.decode('utf-8')}")
# Example usage:
# download_blob(connection_string, "mycontainer", "myblob.txt")
Directly interact with Blob Storage using HTTP requests.
Request: PUT https://
Headers:
x-ms-version: 2020-08-04x-ms-blob-type: BlockBlobContent-Length: Authorization: SharedKey : (or other auth methods)Body: Blob data
Request: GET https://
Headers:
x-ms-version: 2020-08-04Authorization: SharedKey : Response Body: Blob data