etcd client for Rust

An etcd (API v3) client for Rust backed by tokio and tonic.

Supported APIs

• KV
  • Put
  • Range
  • Delete
  • Transaction
  • Compact
• Lease
  • Grant
  • Revoke
  • KeepAlive
  • TimeToLive
• Watch
  • WatchCreate
  • WatchCancel
• Auth
  • Authenticate
  • RoleAdd
  • RoleGrantPermission
  • UserAdd
  • UserGrantRole
  • AuthEnable
  • AuthDisable
• Cluster
  • MemberAdd
  • MemberRemove
  • MemberUpdate
  • MemberList
• Maintenance
  • Alarm
  • Status
  • Defragment
  • Hash
  • Snapshot
  • MoveLeader

Usage

Add following dependencies in your project cargo.toml:

[dependencies]
etcd-rs = "1.0.0"

use etcd_rs::Client;

#[tokio::main]
async fn main() {
    let cli = Client::connect(ClientConfig {
        endpoints: [
            "http://127.0.0.1:12379",
            "http://127.0.0.1:22379",
            "http://127.0.0.1:32379",
        ],
        ..Default::default()
    }).await;
    
    cli.put(("foo", "bar")).await.expect("put kv");
    
    let kvs = cli.get("foo").await.expect("get kv").take_kvs();
    assert_eq!(kvs.len(), 1);
}

Development

requirements:

• Makefile
• docker
• docker-compose

Start local etcd cluster

make setup-etcd-cluster

stop cluster

make teardown-etcd-cluster

Run tests

make test

for specified case:

TEST_CASE=test_put_error make test-one

License

This project is licensed under the MIT license.