Agent skill
azure-storage-blob-rust
Azure Blob Storage SDK for Rust. Use for uploading, downloading, and managing blobs and containers. Triggers: "blob storage rust", "BlobClient rust", "upload blob rust", "download blob rust", "container rust".
Install this agent skill to your Project
npx add-skill https://github.com/microsoft/skills/tree/main/.github/plugins/azure-sdk-rust/skills/azure-storage-blob-rust
SKILL.md
Azure Blob Storage SDK for Rust
Client library for Azure Blob Storage — Microsoft's object storage solution for the cloud.
Installation
cargo add azure_storage_blob azure_identity
Environment Variables
AZURE_STORAGE_ACCOUNT_NAME=<storage-account-name>
# Endpoint: https://<account>.blob.core.windows.net/
Authentication
use azure_identity::DeveloperToolsCredential;
use azure_storage_blob::{BlobClient, BlobClientOptions};
let credential = DeveloperToolsCredential::new(None)?;
let blob_client = BlobClient::new(
"https://<account>.blob.core.windows.net/",
"container-name",
"blob-name",
Some(credential),
Some(BlobClientOptions::default()),
)?;
Client Types
| Client | Purpose |
|---|---|
BlobServiceClient |
Account-level operations, list containers |
BlobContainerClient |
Container operations, list blobs |
BlobClient |
Individual blob operations |
Core Operations
Upload Blob
use azure_core::http::RequestContent;
let data = b"hello world";
blob_client
.upload(
RequestContent::from(data.to_vec()),
false, // overwrite
u64::try_from(data.len())?,
None,
)
.await?;
Download Blob
let response = blob_client.download(None).await?;
let content = response.into_body().collect_bytes().await?;
println!("Content: {:?}", content);
Get Blob Properties
let properties = blob_client.get_properties(None).await?;
println!("Content-Length: {:?}", properties.content_length);
Delete Blob
blob_client.delete(None).await?;
Container Operations
use azure_storage_blob::BlobContainerClient;
let container_client = BlobContainerClient::new(
"https://<account>.blob.core.windows.net/",
"container-name",
Some(credential),
None,
)?;
// Create container
container_client.create(None).await?;
// List blobs
let mut pager = container_client.list_blobs(None)?;
while let Some(blob) = pager.try_next().await? {
println!("Blob: {}", blob.name);
}
Best Practices
- Use Entra ID auth —
DeveloperToolsCredentialfor dev,ManagedIdentityCredentialfor production - Specify content length — required for uploads
- Use
RequestContent::from()— to wrap upload data - Handle async operations — use
tokioruntime - Check RBAC permissions — ensure "Storage Blob Data Contributor" role
RBAC Permissions
For Entra ID auth, assign one of these roles:
Storage Blob Data Reader— read-onlyStorage Blob Data Contributor— read/writeStorage Blob Data Owner— full access including RBAC
Reference Links
| Resource | Link |
|---|---|
| API Reference | https://docs.rs/azure_storage_blob |
| Source Code | https://github.com/Azure/azure-sdk-for-rust/tree/main/sdk/storage/azure_storage_blob |
| crates.io | https://crates.io/crates/azure_storage_blob |
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