Question 1

Is rust-etcd compatible with etcd v3?

Accepted Answer

No, rust-etcd only supports etcd's v2 API, so it won't work with v3 clusters or features like leases and transactions. You'll need alternative libraries if your project requires etcd v3.

Question 2

How to implement service discovery with rust-etcd?

Accepted Answer

Use the library's key-value operations to register services under directories and set up watches for changes, but you'll need to build the discovery logic manually as it's not provided out-of-the-box. Refer to etcd's v2 documentation for patterns.

Question 3

rust-etcd vs etcd3-rs: which one should I use?

Accepted Answer

Choose rust-etcd if you're working with etcd v2 clusters and want a Rust-native interface. For etcd v3 support, etcd3-rs or similar libraries are better, but check their maintenance status and feature sets as the Rust ecosystem evolves.

Question 4

Does rust-etcd support TLS and authentication?

Accepted Answer

The library likely supports basic authentication via etcd v2's features, but documentation is sparse; you may need to inspect the source code or crates.io details to confirm TLS setup and security options.

Question 5

How to run tests without Docker?

Accepted Answer

The tests are designed to run inside a Docker container for isolation, so skipping Docker isn't straightforward. You might manually set up an etcd instance, but this adds complexity and isn't covered in the README.

Question 6

What error handling patterns does rust-etcd use?

Accepted Answer

It uses Rust's idiomatic Result types for error handling, but due to limited examples, developers should rely on etcd's v2 error codes and may need to experiment or check the library's source for specifics.

Question 7

Is rust-etcd still actively maintained?

Accepted Answer

Based on the outdated travis-ci status and lack of recent commits, it appears less active; always check the GitHub repository for updates or consider forks if maintenance is critical for your project.

rust-etcd

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