cli_v2: add local_api_request with crazy type bound

src/api/admin/api.rs

@@ -10,7 +10,6 @@ use serde::{Deserialize, Serialize};
 use garage_rpc::*;
 
 use garage_model::garage::Garage;
-use garage_util::error::Error as GarageError;
 
 use garage_api_common::common_error::CommonErrorDerivative;
 use garage_api_common::helpers::is_default;
@@ -105,21 +104,6 @@ pub struct MultiResponse<RB> {
 	pub error: HashMap<String, String>,
 }
 
-impl<RB> MultiResponse<RB> {
-	pub fn into_single_response(self) -> Result<RB, GarageError> {
-		if let Some((_, e)) = self.error.into_iter().next() {
-			return Err(GarageError::Message(e));
-		}
-		if self.success.len() != 1 {
-			return Err(GarageError::Message(format!(
-				"{} responses returned, expected 1",
-				self.success.len()
-			)));
-		}
-		Ok(self.success.into_iter().next().unwrap().1)
-	}
-}
-
 // **********************************************
 //      Special endpoints
 //

src/garage/cli_v2/mod.rs

@@ -16,7 +16,7 @@ use garage_rpc::*;
 
 use garage_api_admin::api::*;
 use garage_api_admin::api_server::{AdminRpc as ProxyRpc, AdminRpcResponse as ProxyRpcResponse};
-use garage_api_admin::RequestHandler as AdminApiEndpoint;
+use garage_api_admin::RequestHandler;
 
 use crate::admin::*;
 use crate::cli as cli_v1;
@@ -74,11 +74,11 @@ impl Cli {
 		}
 	}
 
-	pub async fn api_request<T>(&self, req: T) -> Result<<T as AdminApiEndpoint>::Response, Error>
+	pub async fn api_request<T>(&self, req: T) -> Result<<T as RequestHandler>::Response, Error>
 	where
-		T: AdminApiEndpoint,
+		T: RequestHandler,
 		AdminApiRequest: From<T>,
-		<T as AdminApiEndpoint>::Response: TryFrom<TaggedAdminApiResponse>,
+		<T as RequestHandler>::Response: TryFrom<TaggedAdminApiResponse>,
 	{
 		let req = AdminApiRequest::from(req);
 		let req_name = req.name();
@@ -88,7 +88,7 @@ impl Cli {
 			.await??
 		{
 			ProxyRpcResponse::ProxyApiOkResponse(resp) => {
-				<T as AdminApiEndpoint>::Response::try_from(resp).map_err(|_| {
+				<T as RequestHandler>::Response::try_from(resp).map_err(|_| {
 					Error::Message(format!("{} returned unexpected response", req_name))
 				})
 			}
@@ -103,4 +103,32 @@ impl Cli {
 			m => Err(Error::unexpected_rpc_message(m)),
 		}
 	}
+
+	pub async fn local_api_request<T>(
+		&self,
+		req: T,
+	) -> Result<<T as RequestHandler>::Response, Error>
+	where
+		T: RequestHandler,
+		MultiRequest<T>: RequestHandler<Response = MultiResponse<<T as RequestHandler>::Response>>,
+		AdminApiRequest: From<MultiRequest<T>>,
+		<MultiRequest<T> as RequestHandler>::Response: TryFrom<TaggedAdminApiResponse>,
+	{
+		let req = MultiRequest {
+			node: hex::encode(self.rpc_host),
+			body: req,
+		};
+		let resp = self.api_request(req).await?;
+
+		if let Some((_, e)) = resp.error.into_iter().next() {
+			return Err(Error::Message(e));
+		}
+		if resp.success.len() != 1 {
+			return Err(Error::Message(format!(
+				"{} responses returned, expected 1",
+				resp.success.len()
+			)));
+		}
+		Ok(resp.success.into_iter().next().unwrap().1)
+	}
 }

src/garage/cli_v2/worker.rs

@@ -27,15 +27,11 @@ impl Cli {
 
 	pub async fn cmd_list_workers(&self, opt: WorkerListOpt) -> Result<(), Error> {
 		let mut list = self
-			.api_request(ListWorkersRequest {
+			.local_api_request(LocalListWorkersRequest {
-				node: hex::encode(self.rpc_host),
-				body: LocalListWorkersRequest {
 				busy_only: opt.busy,
 				error_only: opt.errors,
-				},
 			})
 			.await?
-			.into_single_response()?
 			.0;
 
 		list.sort_by_key(|info| {
@@ -90,12 +86,8 @@ impl Cli {
 
 	pub async fn cmd_worker_info(&self, tid: usize) -> Result<(), Error> {
 		let info = self
-			.api_request(GetWorkerInfoRequest {
+			.local_api_request(LocalGetWorkerInfoRequest { id: tid as u64 })
-				node: hex::encode(self.rpc_host),
-				body: LocalGetWorkerInfoRequest { id: tid as u64 },
-			})
 			.await?
-			.into_single_response()?
 			.0;
 
 		let mut table = vec![];