{"slug":"azure-eventhub-rust","title":"azure-eventhub-rust","summary":"Azure Event Hubs library for Rust. Send and receive events for streaming data ingestion and batch processing. Triggers: \"event hubs rust\", \"ProducerClient rust\", \"ConsumerClient rust\", \"send event rust\", \"streaming rust\", \"eventhub rust\".","platform":"GitHub Copilot","tags":[],"authorName":"Ciza","authorSlug":"ciza","score":0,"source":"github","price":null,"verified":false,"createdAt":"2026-08-12T21:05:23.452532Z","repo":{"url":"https://github.com/microsoft/skills","stars":3075,"forks":352,"license":"MIT","updatedAt":"2026-10-02T16:39:30Z"},"bodyHtml":"
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name: azure-eventhub-rust\ndescription: |\nAzure Event Hubs library for Rust. Send and receive events for streaming data ingestion and batch processing.\nTriggers: \"event hubs rust\", \"ProducerClient rust\", \"ConsumerClient rust\", \"send event rust\", \"streaming rust\", \"eventhub rust\".\nlicense: MIT\nmetadata:\nauthor: Microsoft\npackage: azure_messaging_eventhubs

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Azure Event Hubs library for Rust

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Client library for Azure Event Hubs — send and receive events for streaming data ingestion.

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Use this skill when:

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IMPORTANT: Only use the official azure_messaging_eventhubs crate published by the azure-sdk crates.io user. Do NOT use unofficial or community crates. Official crates use underscores in names and none have version 0.21.0.

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Installation

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cargo add azure_messaging_eventhubs azure_identity tokio futures\n
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DeveloperToolsCredential::new(None)? already returns an Arc<DeveloperToolsCredential>, so you can pass or clone it directly into .open(). Add azure_core only when you need direct azure_core imports such as ErrorKind.

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Environment Variables

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EVENTHUBS_HOST=<namespace>.servicebus.windows.net # Required — fully qualified namespace\nEVENTHUB_NAME=<eventhub-name>                     # Required — name of the Event Hub\n
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Key Concepts

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ConceptDescription
NamespaceContainer for one or more Event Hubs
Event HubStream of events, partitioned for parallel reads
PartitionOrdered, append-only sequence of events
ProducerSends events via ProducerClient
ConsumerReceives events from partitions via ConsumerClient
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Authentication

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Rust Azure SDK code must not use DefaultAzureCredential. The Rust identity crate does not provide that type.

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use azure_identity::DeveloperToolsCredential;\nuse azure_messaging_eventhubs::ProducerClient;\n\n#[tokio::main]\nasync fn main() -> Result<(), Box<dyn std::error::Error>> {\n    // Local dev: DeveloperToolsCredential. Production: use ManagedIdentityCredential.\n    let credential = DeveloperToolsCredential::new(None)?;\n\n    let producer = ProducerClient::builder()\n        .open(\n            \"<namespace>.servicebus.windows.net\",\n            \"<eventhub-name>\",\n            credential.clone(),\n        )\n        .await?;\n    Ok(())\n}\n
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Prefer the crate README/examples when checking builder signatures and receive-stream event wrapper shapes.

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Core Workflow

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Send Events

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// Send a single event\nproducer.send_event(vec![1, 2, 3, 4], None).await?;\n
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Send Batch

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let batch = producer.create_batch(None).await?;\nbatch.try_add_event_data(vec![1, 2, 3, 4], None)?;\n\nproducer.send_batch(batch, None).await?;\n
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Receive Events

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use azure_identity::DeveloperToolsCredential;\nuse azure_messaging_eventhubs::ConsumerClient;\n\n// Local dev: DeveloperToolsCredential. Production: use ManagedIdentityCredential.\nlet credential = DeveloperToolsCredential::new(None)?;\nlet consumer = ConsumerClient::builder()\n    .open(\n        \"<namespace>.servicebus.windows.net\",\n        \"<eventhub-name>\".to_string(),\n        credential.clone(),\n    )\n    .await?;\n
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Receive from Partition

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use futures::stream::StreamExt;\nuse azure_messaging_eventhubs::{\n    ConsumerClient, OpenReceiverOptions, StartLocation, StartPosition,\n};\n\nlet receiver = consumer\n    .open_receiver_on_partition(\n        \"0\".to_string(),\n        Some(OpenReceiverOptions {\n            start_position: Some(StartPosition {\n                location: StartLocation::Earliest,\n                ..Default::default()\n            }),\n            ..Default::default()\n        }),\n    )\n    .await?;\n\nlet mut stream = receiver.stream_events();\nwhile let Some(event_result) = stream.next().await {\n    match event_result {\n        // Body is on the inner event data, not the received wrapper: `event.event_data().body()`.\n        Ok(event) => {\n            let body = event.event_data().body().unwrap_or_default();\n            println!(\"Received: {:?}\", body);\n        }\n        Err(err) => eprintln!(\"Error: {:?}\", err),\n    }\n}\n
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RBAC Roles

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For Entra ID auth, assign one of these roles:

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RoleAccess
Azure Event Hubs Data SenderSend events
Azure Event Hubs Data ReceiverReceive events
Azure Event Hubs Data OwnerFull access
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Best Practices

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  1. Use cargo add to manage dependencies, never edit Cargo.toml directly. Add and remove Rust SDK dependencies with cargo commands instead of manual manifest edits.
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  2. Pass or clone credentials directly into .open(). DeveloperToolsCredential::new(None)? already returns an Arc, so you do not need to annotate the binding as Arc<dyn TokenCredential> unless you are naming that trait object type explicitly.
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  3. Match the builder signature. ProducerClient::builder().open(...) takes the hub name as &str, while ConsumerClient::builder().open(...) takes an owned String.
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  4. Use DeveloperToolsCredential for local dev, ManagedIdentityCredential for production — Rust does not provide a single DefaultAzureCredential type
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  5. Never hardcode credentials — use environment variables or managed identity
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  6. Use batching — create_batch + send_batch for throughput optimization
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  7. Handle errors per event — match on Ok/Err in the event stream
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  8. Extract event bodies via event.event_data().body(), not event.body() — ReceivedEventData wraps the underlying EventData.
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  9. Specify start position — use StartLocation::Earliest or StartLocation::Latest to control where consumption begins
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  10. Run cargo clippy -- -D warnings when the prompt, eval, or CI expects lint-clean output
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Reference Links

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ResourceLink
API Referencehttps://docs.rs/azure_messaging_eventhubs/latest/azure_messaging_eventhubs
crates.iohttps://crates.io/crates/azure_messaging_eventhubs
Source Codehttps://github.com/Azure/azure-sdk-for-rust/tree/main/sdk/eventhubs/azure_messaging_eventhubs
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