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etcd for Rust

NOTE: Branch master is currently under development. For v0.1.x based releases please check out the v0.1.x branch.

Features

Asynchronous (Supports async/await syntax)
Etcd APIv3 (Supported by tonic)

Examples

./examples

Usage

Add following dependencies in your project cargo.toml:

[dependencies]
etcd-rs = "0.2.0-alpha.1"

Setup Client

let endpoints = vec!["http://127.0.0.1:2379".to_owned()];

let client = Client::new(ClientConfig {
    endpoints,
    auth: None,
});

Key Value

Put

client.kv().put(PutRequest::new("foo", "bar")).await?;

Get

Get a key-value pair

let resp = client.kv().get(KeyRange::key("foo")).await?;

List key-value paris by prefix

let resp = client.kv().get(KeyRange::prefix("foo")).await?;

List all key-value paris

let resp = client.kv().get(KeyRange::all()).await?;

Delete

Delete a key-value pair

client.kv().delete(KeyRange::key("foo")).await?;

Delete key-value paris by prefix

client.kv().delete(KeyRange::prefix("foo")).await?;

Delete all key-value paris

client.kv().delete(KeyRange::all()).await?;

Lease

Grant

let lease = client
    .lease()
    .grant(LeaseGrantRequest::new(Duration::from_secs(3)))
    .await?;
        
println!("lease id: {}", lease.id());

// Put key-value with the above lease
client
    .kv()
    .put({
        let mut req = PutRequest::new(key, "bar");
        req.set_lease(lease.id());

        req
    })
    .await?;

Revoke

client.lease().revoke(LeaseRevokeRequest::new(lease_id)).await?;

Keep Alive

use tokio::timer::Interval;
let mut interval = Interval::new_interval(Duration::from_secs(1));

loop {
    interval.next().await;
    client
        .lease()
        .keep_alive(LeaseKeepAliveRequest::new(lease_id))
        .await;
}

License

This project is licensed under the MIT license.

etcd-rs 0.2.0-alpha.2