# Azure Queue client library for Rust
Azure Queue Storage is a service for storing large numbers of messages.
## Getting started
**⚠️ Note: The `azure_storage_queue` crate is currently under active development and not all features may be implemented or work as intended. This crate is in beta and not suitable for Production environments. For any general feedback or usage issues, please open a GitHub issue at <https://github.com/Azure/azure-sdk-for-rust/issues>.**
### Install the package
Install the Azure Storage Queue client library for Rust with [cargo]:
```sh
cargo add azure_storage_queue
```
### Prerequisites
* You must have an [Azure subscription] and an [Azure storage account] to use this package.
### Create a storage account
If you wish to create a new storage account, you can use the
[Azure Portal], [Azure PowerShell], or [Azure CLI]:
```sh
# Create a new resource group to hold the storage account -
# if using an existing resource group, skip this step
az group create --name my-resource-group --location westus2
# Create the storage account
az storage account create -n my-storage-account-name -g my-resource-group
```
#### Authenticate the client
In order to interact with the Azure Queue service, you'll need to create an instance of a client, `QueueClient`. The [Azure Identity] library makes it easy to add Microsoft Entra ID support for authenticating Azure SDK clients with their corresponding Azure services:
```rust no_run
use azure_storage_queue::{QueueClient, QueueClientOptions};
use azure_identity::DeveloperToolsCredential;
#[tokio::main]
async fn main() -> Result<(), Box<dyn std::error::Error>> {
// Create a QueueClient that will authenticate through Microsoft Entra ID
let credential = DeveloperToolsCredential::new(None)?;
let queue_client = QueueClient::new(
"https://<storage_account_name>.blob.core.windows.net/", // endpoint
"queue-name", // queue name
credential, // credential
Some(QueueClientOptions::default()), // QueueClient options
)?;
Ok(())
}
```
#### Permissions
You may need to specify RBAC roles to access Queues via Microsoft Entra ID. Please see [Assign an Azure role for access to queue data] for more details.
## Examples
You can find executable examples for all major SDK functions in:
* [queue_client.rs](https://github.com/Azure/azure-sdk-for-rust/tree/main/sdk/storage/azure_storage_queue/examples/queue_client.rs)
* [queue_service_client.rs](https://github.com/Azure/azure-sdk-for-rust/tree/main/sdk/storage/azure_storage_queue/examples/queue_service_client.rs)
## Next steps
### Provide feedback
If you encounter bugs or have suggestions, [open an issue](https://github.com/Azure/azure-sdk-for-rust/issues).
## Contributing
This project welcomes contributions and suggestions. Most contributions require you to agree to a Contributor License Agreement (CLA) declaring that you have the right to, and actually do, grant us the rights to use your contribution. For details, visit [https://cla.microsoft.com](https://cla.microsoft.com).
When you submit a pull request, a CLA-bot will automatically determine whether you need to provide a CLA and decorate the PR appropriately (e.g., label, comment). Simply follow the instructions provided by the bot. You'll only need to do this once across all repos using our CLA.
This project has adopted the [Microsoft Open Source Code of Conduct](https://opensource.microsoft.com/codeofconduct/). For more information, see the [Code of Conduct FAQ](https://opensource.microsoft.com/codeofconduct/faq/) or contact [opencode@microsoft.com](mailto:opencode@microsoft.com) with any additional questions or comments.
[Azure subscription]: https://azure.microsoft.com/free/
[Azure storage account]: https://learn.microsoft.com/azure/storage/common/storage-account-overview
[Azure Portal]: https://learn.microsoft.com/azure/storage/common/storage-quickstart-create-account?tabs=azure-portal
[Azure PowerShell]: https://learn.microsoft.com/azure/storage/common/storage-quickstart-create-account?tabs=azure-powershell
[Azure CLI]: https://learn.microsoft.com/azure/storage/common/storage-quickstart-create-account?tabs=azure-cli
[cargo]: https://dev-doc.rust-lang.org/stable/cargo/commands/cargo.html
[Azure Identity]: https://github.com/Azure/azure-sdk-for-rust/tree/main/sdk/identity/azure_identity
[API reference documentation]: https://docs.rs/crate/azure_storage_queue/latest
[Package (crates.io)]: https://crates.io/crates/azure_storage_queue
[Source code]: https://github.com/Azure/azure-sdk-for-rust/tree/main/sdk/storage/azure_storage_queue
[REST API documentation]: https://learn.microsoft.com/rest/api/storageservices/blob-service-rest-api
[Product documentation]: https://learn.microsoft.com/azure/storage/blobs/storage-blobs-overview
[Assign an Azure role for access to queue data]: https://learn.microsoft.com/azure/storage/queues/assign-azure-role-data-access?tabs=portal