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spanner.rs
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spanner.rs
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use std::env;
use google_api_proto::google::spanner::admin::database::v1::{
database_admin_client::DatabaseAdminClient, ListDatabasesRequest,
};
use google_authz::GoogleAuthz;
use tonic::{transport::Channel, Request};
const HELP: &str = "cargo run --bin spanner -- <GCP_PROJECT_ID> <SPANNER_INSTANCE>";
#[tokio::main]
async fn main() -> Result<(), Box<dyn std::error::Error>> {
tracing_subscriber::fmt::init();
let mut args = env::args().skip(1);
let project = args.next().expect(HELP);
let instance = args.next().expect(HELP);
let channel = Channel::from_static("https://spanner.googleapis.com").connect().await?;
let channel = GoogleAuthz::new(channel).await;
let mut client = DatabaseAdminClient::new(channel);
let response = client
.list_databases(Request::new(ListDatabasesRequest {
parent: format!("projects/{}/instances/{}", project, instance),
page_size: 100,
..Default::default()
}))
.await?;
println!("response = {:#?}", response);
Ok(())
}