gcloud-sdk 0.18.1

This library provides generated from proto Google API, authentication support, caching client.
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gcloud-sdk for Rust

Latest Version tests and formatting security audit unsafe

This library generated from Google API using tonic-build.


This is NOT OFFICIAL Google Cloud SDK (and it doesn't exist for Rust at the time this page updated).


This library contains all the code generated from the Google API.

When using each product API, you must explicitly include it in your build using a feature flag. For example, if you want to use Cloud Pub/Sub, write features = ["google-pubsub-v1"] to Cargo.toml.

The feature name is the period of the package name of each proto file, replaced by a hyphen. If you specify a package, it will automatically load the dependent packages and include them in the build. It means that features = ["google-firestore-v1"].

In addition, multiple features can be specified.

The list of available features can be found here.


    // The library handles getting token from environment automatically
    let firestore_client: GoogleApi<FirestoreClient<GoogleAuthMiddleware>> =
            // cloud resource prefix: used only for some of the APIs (such as Firestore)

    let response = firestore_client
        .list_documents(tonic::Request::new(ListDocumentsRequest {
            parent: format!("{}/documents", cloud_resource_prefix),

More complete examples are located here.


gcloud-sdk = { version = "0.18", features = ["google-firestore-v1"] }
tonic = { version = "0.8", features = ["tls"] }
prost = "0.11"
prost-types = "0.11"

Google authentication

Default Scope is https://www.googleapis.com/auth/cloud-platform.

To specify custom scopes there is from_function_with_scopes() function instead of from_function();

Looks for credentials in the following places, preferring the first location found:

  • A JSON file whose path is specified by the GOOGLE_APPLICATION_CREDENTIALS environment variable.
  • A JSON file in a location known to the gcloud command-line tool.
  • On Google Compute Engine, it fetches credentials from the metadata server.


The library is a fork of mechiru/googapis and mechiru/gouth to keep up with the updates and API proto descriptions from Google more frequently and simplify dependencies management.

Why not to contribute back?

  • Different goals from googapis.
    • This fork focuses on simplicity and provided authentication capabilities natively.
    • Has direct dependencies to tokio runtime. Uses synchronisation primitives (such as Mutex) from tokio everywhere.
    • Provides facade API for the caching async client implementation based on Tower middleware that hides complexity working with tokens and TLS.
    • Improved observability with tracing and measuring execution time of endpoints.
  • Different development cycles - the original development was updated less frequently than it was needed for me.

I'd be glad to contribute all of the changes back if author sees the same goals.

High-level APIs

Sometimes using proto generated APIs are tedious and cumbersome, so you may need to introduce facade APIs on top of them:


Licensed under either of Apache License, Version 2.0 or MIT license at your option.


  • mechiru - the original project
  • Abdulla Abdurakhmanov - updated for recent deps, the transparent client implementation, security extensions for Google KMS and Secret Manager API.