admin api: fix things

src/api/admin/api.rs

@@ -73,10 +73,10 @@ admin_endpoints![
 	RemoveBucketAlias,
 
 	// Worker operations
-	GetWorkerParam,
+	GetWorkerVariable,
 ];
 
-local_admin_endpoints![GetWorkerParam,];
+local_admin_endpoints![GetWorkerVariable,];
 
 // **********************************************
 //      Special endpoints
@@ -591,9 +591,9 @@ pub struct RemoveBucketAliasResponse(pub GetBucketInfoResponse);
 // **********************************************
 
 #[derive(Debug, Clone, Serialize, Deserialize)]
-pub struct LocalGetWorkerParamRequest {
-	pub param: Option<String>,
+pub struct LocalGetWorkerVariableRequest {
+	pub variable: Option<String>,
 }
 
 #[derive(Debug, Clone, Serialize, Deserialize)]
-pub struct LocalGetWorkerParamResponse(pub HashMap<String, String>);
+pub struct LocalGetWorkerVariableResponse(pub HashMap<String, String>);

src/api/admin/api_server.rs

@@ -37,11 +37,15 @@ use crate::helpers::*;
 pub const ADMIN_RPC_PATH: &str = "garage_api/admin/rpc.rs/Rpc";
 
 #[derive(Debug, Serialize, Deserialize)]
-pub struct AdminRpc(LocalAdminApiRequest);
+pub enum AdminRpc {
+	Proxy(AdminApiRequest),
+	Internal(LocalAdminApiRequest),
+}
 
 #[derive(Debug, Serialize, Deserialize)]
 pub enum AdminRpcResponse {
-	ApiOkResponse(LocalAdminApiResponse),
+	ProxyApiOkResponse(TaggedAdminApiResponse),
+	InternalApiOkResponse(LocalAdminApiResponse),
 	ApiErrorResponse {
 		http_code: u16,
 		error_code: String,
@@ -60,11 +64,12 @@ impl EndpointHandler<AdminRpc> for AdminApiServer {
 		message: &AdminRpc,
 		_from: NodeID,
 	) -> Result<AdminRpcResponse, GarageError> {
-		let req = message.0.clone();
+		match message {
+			AdminRpc::Proxy(req) => {
 				info!("Proxied admin API request: {}", req.name());
-		let res = req.handle(&self.garage, &self).await;
+				let res = req.clone().handle(&self.garage, &self).await;
 				match res {
-			Ok(res) => Ok(AdminRpcResponse::ApiOkResponse(res)),
+					Ok(res) => Ok(AdminRpcResponse::ProxyApiOkResponse(res.tagged())),
 					Err(e) => Ok(AdminRpcResponse::ApiErrorResponse {
 						http_code: e.http_status_code().as_u16(),
 						error_code: e.code().to_string(),
@@ -72,6 +77,20 @@ impl EndpointHandler<AdminRpc> for AdminApiServer {
 					}),
 				}
 			}
+			AdminRpc::Internal(req) => {
+				info!("Internal admin API request: {}", req.name());
+				let res = req.clone().handle(&self.garage, &self).await;
+				match res {
+					Ok(res) => Ok(AdminRpcResponse::InternalApiOkResponse(res)),
+					Err(e) => Ok(AdminRpcResponse::ApiErrorResponse {
+						http_code: e.http_status_code().as_u16(),
+						error_code: e.code().to_string(),
+						message: e.to_string(),
+					}),
+				}
+			}
+		}
+	}
 }
 
 // ---- FOR HTTP ----
@@ -118,7 +137,7 @@ impl AdminApiServer {
 	}
 
 	pub async fn run(
-		self,
+		self: Arc<Self>,
 		bind_addr: UnixOrTCPSocketAddress,
 		must_exit: watch::Receiver<bool>,
 	) -> Result<(), GarageError> {
@@ -158,7 +177,7 @@ impl AdminApiServer {
 }
 
 #[async_trait]
-impl ApiHandler for AdminApiServer {
+impl ApiHandler for Arc<AdminApiServer> {
 	const API_NAME: &'static str = "admin";
 	const API_NAME_DISPLAY: &'static str = "Admin";
 

src/api/admin/worker.rs

@@ -10,23 +10,23 @@ use crate::admin::error::Error;
 use crate::admin::{Admin, RequestHandler};
 
 #[async_trait]
-impl RequestHandler for LocalGetWorkerParamRequest {
-	type Response = LocalGetWorkerParamResponse;
+impl RequestHandler for LocalGetWorkerVariableRequest {
+	type Response = LocalGetWorkerVariableResponse;
 
 	async fn handle(
 		self,
 		garage: &Arc<Garage>,
-		admin: &Admin,
-	) -> Result<LocalGetWorkerParamResponse, Error> {
+		_admin: &Admin,
+	) -> Result<LocalGetWorkerVariableResponse, Error> {
 		let mut res = HashMap::new();
-		if let Some(k) = self.param {
+		if let Some(k) = self.variable {
 			res.insert(k.clone(), garage.bg_vars.get(&k)?);
 		} else {
-			let mut vars = garage.bg_vars.get_all();
+			let vars = garage.bg_vars.get_all();
 			for (k, v) in vars.iter() {
 				res.insert(k.to_string(), v.to_string());
 			}
 		}
-		Ok(LocalGetWorkerParamResponse(res))
+		Ok(LocalGetWorkerVariableResponse(res))
 	}
 }

src/garage/admin/mod.rs

@@ -26,10 +26,6 @@ use garage_model::helper::error::{Error, OkOrBadRequest};
 use garage_model::s3::mpu_table::MultipartUpload;
 use garage_model::s3::version_table::Version;
 
-use garage_api::admin::api::{AdminApiRequest, TaggedAdminApiResponse};
-use garage_api::admin::RequestHandler as AdminApiEndpoint;
-use garage_api::generic_server::ApiError;
-
 use crate::cli::*;
 use crate::repair::online::launch_online_repair;
 
@@ -59,15 +55,6 @@ pub enum AdminRpc {
 		versions: Vec<Result<Version, Uuid>>,
 		uploads: Vec<MultipartUpload>,
 	},
-
-	// Proxying HTTP Admin API endpoints
-	ApiRequest(AdminApiRequest),
-	ApiOkResponse(TaggedAdminApiResponse),
-	ApiErrorResponse {
-		http_code: u16,
-		error_code: String,
-		message: String,
-	},
 }
 
 impl Rpc for AdminRpc {
@@ -501,25 +488,6 @@ impl AdminRpcHandler {
 			}
 		}
 	}
-
-	// ================== PROXYING ADMIN API REQUESTS ===================
-
-	async fn handle_api_request(
-		self: &Arc<Self>,
-		req: &AdminApiRequest,
-	) -> Result<AdminRpc, Error> {
-		let req = req.clone();
-		info!("Proxied admin API request: {}", req.name());
-		let res = req.handle(&self.garage).await;
-		match res {
-			Ok(res) => Ok(AdminRpc::ApiOkResponse(res.tagged())),
-			Err(e) => Ok(AdminRpc::ApiErrorResponse {
-				http_code: e.http_status_code().as_u16(),
-				error_code: e.code().to_string(),
-				message: e.to_string(),
-			}),
-		}
-	}
 }
 
 #[async_trait]
@@ -535,7 +503,6 @@ impl EndpointHandler<AdminRpc> for AdminRpcHandler {
 			AdminRpc::Worker(wo) => self.handle_worker_cmd(wo).await,
 			AdminRpc::BlockOperation(bo) => self.handle_block_cmd(bo).await,
 			AdminRpc::MetaOperation(mo) => self.handle_meta_cmd(mo).await,
-			AdminRpc::ApiRequest(r) => self.handle_api_request(r).await,
 			m => Err(GarageError::unexpected_rpc_message(m).into()),
 		}
 	}

src/garage/cli_v2/mod.rs

@@ -13,6 +13,7 @@ use garage_rpc::system::*;
 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 crate::admin::*;
@@ -23,6 +24,7 @@ use crate::cli::Command;
 pub struct Cli {
 	pub system_rpc_endpoint: Arc<Endpoint<SystemRpc, ()>>,
 	pub admin_rpc_endpoint: Arc<Endpoint<AdminRpc, ()>>,
+	pub proxy_rpc_endpoint: Arc<Endpoint<ProxyRpc, ()>>,
 	pub rpc_host: NodeID,
 }
 
@@ -85,14 +87,16 @@ impl Cli {
 		let req = AdminApiRequest::from(req);
 		let req_name = req.name();
 		match self
-			.admin_rpc_endpoint
-			.call(&self.rpc_host, AdminRpc::ApiRequest(req), PRIO_NORMAL)
-			.await?
-			.ok_or_message("rpc")?
+			.proxy_rpc_endpoint
+			.call(&self.rpc_host, ProxyRpc::Proxy(req), PRIO_NORMAL)
+			.await??
 		{
-			AdminRpc::ApiOkResponse(resp) => <T as AdminApiEndpoint>::Response::try_from(resp)
-				.map_err(|_| Error::Message(format!("{} returned unexpected response", req_name))),
-			AdminRpc::ApiErrorResponse {
+			ProxyRpcResponse::ProxyApiOkResponse(resp) => {
+				<T as AdminApiEndpoint>::Response::try_from(resp).map_err(|_| {
+					Error::Message(format!("{} returned unexpected response", req_name))
+				})
+			}
+			ProxyRpcResponse::ApiErrorResponse {
 				http_code,
 				error_code,
 				message,

src/garage/main.rs

@@ -35,6 +35,8 @@ use garage_util::error::*;
 use garage_rpc::system::*;
 use garage_rpc::*;
 
+use garage_api::admin::api_server::{AdminRpc as ProxyRpc, ADMIN_RPC_PATH as PROXY_RPC_PATH};
+
 use admin::*;
 use cli::*;
 use secrets::Secrets;
@@ -282,10 +284,12 @@ async fn cli_command(opt: Opt) -> Result<(), Error> {
 
 	let system_rpc_endpoint = netapp.endpoint::<SystemRpc, ()>(SYSTEM_RPC_PATH.into());
 	let admin_rpc_endpoint = netapp.endpoint::<AdminRpc, ()>(ADMIN_RPC_PATH.into());
+	let proxy_rpc_endpoint = netapp.endpoint::<ProxyRpc, ()>(PROXY_RPC_PATH.into());
 
 	let cli = cli_v2::Cli {
 		system_rpc_endpoint,
 		admin_rpc_endpoint,
+		proxy_rpc_endpoint,
 		rpc_host: id,
 	};
 

src/garage/server.rs

@@ -1,4 +1,5 @@
 use std::path::PathBuf;
+use std::sync::Arc;
 
 use tokio::sync::watch;
 
@@ -64,7 +65,7 @@ pub async fn run_server(config_file: PathBuf, secrets: Secrets) -> Result<(), Er
 	}
 
 	info!("Initialize Admin API server and metrics collector...");
-	let admin_server = AdminApiServer::new(
+	let admin_server: Arc<AdminApiServer> = AdminApiServer::new(
 		garage.clone(),
 		background.clone(),
 		#[cfg(feature = "metrics")]
@@ -125,11 +126,7 @@ pub async fn run_server(config_file: PathBuf, secrets: Secrets) -> Result<(), Er
 		info!("Launching Admin API server...");
 		servers.push((
 			"Admin",
-			tokio::spawn(
-				admin_server
-					.clone()
-					.run(admin_bind_addr.clone(), watch_cancel.clone()),
-			),
+			tokio::spawn(admin_server.run(admin_bind_addr.clone(), watch_cancel.clone())),
 		));
 	}