azure-identity-rust
Azure Identity SDK for Rust authentication. Use for DeveloperToolsCredential, ManagedIdentityCredential, ClientSecretCredential, and token-based authentication.
Full skill instructions
Authentication library for Azure SDK clients using Microsoft Entra ID (formerly Azure AD).
cargo add azure_identity
# Service Principal (for production/CI)
AZURE_TENANT_ID=<your-tenant-id>
AZURE_CLIENT_ID=<your-client-id>
AZURE_CLIENT_SECRET=<your-client-secret>
# User-assigned Managed Identity (optional)
AZURE_CLIENT_ID=<managed-identity-client-id>
The recommended credential for local development. Tries developer tools in order (Azure CLI, Azure Developer CLI):
use azure_identity::DeveloperToolsCredential;
use azure_security_keyvault_secrets::SecretClient;
let credential = DeveloperToolsCredential::new(None)?;
let client = SecretClient::new(
"https://my-vault.vault.azure.net/",
credential.clone(),
None,
)?;
| Order | Credential | Environment |
|---|---|---|
| 1 | AzureCliCredential | az login |
| 2 | AzureDeveloperCliCredential | azd auth login |
| Credential | Usage |
|---|---|
DeveloperToolsCredential | Local development - tries CLI tools |
ManagedIdentityCredential | Azure VMs, App Service, Functions, AKS |
WorkloadIdentityCredential | Kubernetes workload identity |
ClientSecretCredential | Service principal with secret |
ClientCertificateCredential | Service principal with certificate |
AzureCliCredential | Direct Azure CLI auth |
AzureDeveloperCliCredential | Direct azd CLI auth |
AzurePipelinesCredential | Azure Pipelines service connection |
ClientAssertionCredential | Custom assertions (federated identity) |
For Azure-hosted resources:
use azure_identity::ManagedIdentityCredential;
// System-assigned managed identity
let credential = ManagedIdentityCredential::new(None)?;
// User-assigned managed identity
let options = ManagedIdentityCredentialOptions {
client_id: Some("<user-assigned-mi-client-id>".into()),
..Default::default()
};
let credential = ManagedIdentityCredential::new(Some(options))?;
For service principal with secret:
use azure_identity::ClientSecretCredential;
let credential = ClientSecretCredential::new(
"<tenant-id>".into(),
"<client-id>".into(),
"<client-secret>".into(),
None,
)?;
DeveloperToolsCredential for local dev — automatically picks up Azure CLIManagedIdentityCredential in production — no secrets to manageArc-wrapped and cheap to clonetokio feature — cargo add azure_identity --features tokio| Resource | Link |
|---|---|
| API Reference | https://docs.rs/azure_identity |
| Source Code | https://github.com/Azure/azure-sdk-for-rust/tree/main/sdk/identity/azure_identity |
| crates.io | https://crates.io/crates/azure_identity |
This skill is applicable to execute the workflow or actions described in the overview.
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