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everywhere: support unix sockets when binding in various places

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this patch implements binding to paths as a unix socket for generic
server and web server.
This commit is contained in:
networkException 2023-09-29 18:41:00 +02:00
parent 7353038a64
commit 8ec6a53b35
No known key found for this signature in database
GPG key ID: E3877443AE684391
6 changed files with 108 additions and 28 deletions
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4
src/api/admin/api_server.rs
View file

@ -1,5 +1,4 @@
use std::collections::HashMap; use std::collections::HashMap;
use std::net::SocketAddr;
use std::sync::Arc; use std::sync::Arc;
use async_trait::async_trait; use async_trait::async_trait;
@ -18,6 +17,7 @@ use prometheus::{Encoder, TextEncoder};
use garage_model::garage::Garage; use garage_model::garage::Garage;
use garage_rpc::system::ClusterHealthStatus; use garage_rpc::system::ClusterHealthStatus;
use garage_util::error::Error as GarageError; use garage_util::error::Error as GarageError;
use garage_util::socket_address::UnixOrTCPSocketAddress;
use crate::generic_server::*; use crate::generic_server::*;
@ -61,7 +61,7 @@ impl AdminApiServer {
pub async fn run( pub async fn run(
self, self,
bind_addr: SocketAddr, bind_addr: UnixOrTCPSocketAddress,
shutdown_signal: impl Future<Output = ()>, shutdown_signal: impl Future<Output = ()>,
) -> Result<(), GarageError> { ) -> Result<(), GarageError> {
let region = self.garage.config.s3_api.s3_region.clone(); let region = self.garage.config.s3_api.s3_region.clone();

56
src/api/generic_server.rs
View file

@ -1,4 +1,5 @@
use std::net::SocketAddr; use std::fs::{self, Permissions};
use std::os::unix::fs::PermissionsExt;
use std::sync::Arc; use std::sync::Arc;
use async_trait::async_trait; use async_trait::async_trait;
@ -11,6 +12,10 @@ use hyper::service::{make_service_fn, service_fn};
use hyper::{Body, Request, Response, Server}; use hyper::{Body, Request, Response, Server};
use hyper::{HeaderMap, StatusCode}; use hyper::{HeaderMap, StatusCode};
use hyperlocal::UnixServerExt;
use tokio::net::UnixStream;
use opentelemetry::{ use opentelemetry::{
global, global,
metrics::{Counter, ValueRecorder}, metrics::{Counter, ValueRecorder},
@ -21,6 +26,7 @@ use opentelemetry::{
use garage_util::error::Error as GarageError; use garage_util::error::Error as GarageError;
use garage_util::forwarded_headers; use garage_util::forwarded_headers;
use garage_util::metrics::{gen_trace_id, RecordDuration}; use garage_util::metrics::{gen_trace_id, RecordDuration};
use garage_util::socket_address::UnixOrTCPSocketAddress;
pub(crate) trait ApiEndpoint: Send + Sync + 'static { pub(crate) trait ApiEndpoint: Send + Sync + 'static {
fn name(&self) -> &'static str; fn name(&self) -> &'static str;
@ -91,10 +97,10 @@ impl<A: ApiHandler> ApiServer<A> {
pub async fn run_server( pub async fn run_server(
self: Arc<Self>, self: Arc<Self>,
bind_addr: SocketAddr, bind_addr: UnixOrTCPSocketAddress,
shutdown_signal: impl Future<Output = ()>, shutdown_signal: impl Future<Output = ()>,
) -> Result<(), GarageError> { ) -> Result<(), GarageError> {
let service = make_service_fn(|conn: &AddrStream| { let tcp_service = make_service_fn(|conn: &AddrStream| {
let this = self.clone(); let this = self.clone();
let client_addr = conn.remote_addr(); let client_addr = conn.remote_addr();
@ -102,28 +108,60 @@ impl<A: ApiHandler> ApiServer<A> {
Ok::<_, GarageError>(service_fn(move |req: Request<Body>| { Ok::<_, GarageError>(service_fn(move |req: Request<Body>| {
let this = this.clone(); let this = this.clone();
this.handler(req, client_addr) this.handler(req, client_addr.to_string())
})) }))
} }
}); });
let server = Server::bind(&bind_addr).serve(service); let unix_service = make_service_fn(|_: &UnixStream| {
let this = self.clone();
let path = bind_addr.to_string();
async move {
Ok::<_, GarageError>(service_fn(move |req: Request<Body>| {
let this = this.clone();
this.handler(req, path.clone())
}))
}
});
let graceful = server.with_graceful_shutdown(shutdown_signal);
info!( info!(
"{} API server listening on http://{}", "{} API server listening on {}",
A::API_NAME_DISPLAY, A::API_NAME_DISPLAY,
bind_addr bind_addr
); );
graceful.await?; match bind_addr {
UnixOrTCPSocketAddress::TCPSocket(addr) => {
Server::bind(&addr)
.serve(tcp_service)
.with_graceful_shutdown(shutdown_signal)
.await?
}
UnixOrTCPSocketAddress::UnixSocket(ref path) => {
if path.exists() {
fs::remove_file(path)?
}
let bound = Server::bind_unix(path)?;
fs::set_permissions(path, Permissions::from_mode(0o222))?;
bound
.serve(unix_service)
.with_graceful_shutdown(shutdown_signal)
.await?;
}
};
Ok(()) Ok(())
} }
async fn handler( async fn handler(
self: Arc<Self>, self: Arc<Self>,
req: Request<Body>, req: Request<Body>,
addr: SocketAddr, addr: String,
) -> Result<Response<Body>, GarageError> { ) -> Result<Response<Body>, GarageError> {
let uri = req.uri().clone(); let uri = req.uri().clone();

4
src/api/k2v/api_server.rs
View file

@ -1,4 +1,3 @@
use std::net::SocketAddr;
use std::sync::Arc; use std::sync::Arc;
use async_trait::async_trait; use async_trait::async_trait;
@ -9,6 +8,7 @@ use hyper::{Body, Method, Request, Response};
use opentelemetry::{trace::SpanRef, KeyValue}; use opentelemetry::{trace::SpanRef, KeyValue};
use garage_util::error::Error as GarageError; use garage_util::error::Error as GarageError;
use garage_util::socket_address::UnixOrTCPSocketAddress;
use garage_model::garage::Garage; use garage_model::garage::Garage;
@ -37,7 +37,7 @@ pub(crate) struct K2VApiEndpoint {
impl K2VApiServer { impl K2VApiServer {
pub async fn run( pub async fn run(
garage: Arc<Garage>, garage: Arc<Garage>,
bind_addr: SocketAddr, bind_addr: UnixOrTCPSocketAddress,
s3_region: String, s3_region: String,
shutdown_signal: impl Future<Output = ()>, shutdown_signal: impl Future<Output = ()>,
) -> Result<(), GarageError> { ) -> Result<(), GarageError> {

4
src/api/s3/api_server.rs
View file

@ -1,4 +1,3 @@
use std::net::SocketAddr;
use std::sync::Arc; use std::sync::Arc;
use async_trait::async_trait; use async_trait::async_trait;
@ -10,6 +9,7 @@ use hyper::{Body, Request, Response};
use opentelemetry::{trace::SpanRef, KeyValue}; use opentelemetry::{trace::SpanRef, KeyValue};
use garage_util::error::Error as GarageError; use garage_util::error::Error as GarageError;
use garage_util::socket_address::UnixOrTCPSocketAddress;
use garage_model::garage::Garage; use garage_model::garage::Garage;
use garage_model::key_table::Key; use garage_model::key_table::Key;
@ -44,7 +44,7 @@ pub(crate) struct S3ApiEndpoint {
impl S3ApiServer { impl S3ApiServer {
pub async fn run( pub async fn run(
garage: Arc<Garage>, garage: Arc<Garage>,
addr: SocketAddr, addr: UnixOrTCPSocketAddress,
s3_region: String, s3_region: String,
shutdown_signal: impl Future<Output = ()>, shutdown_signal: impl Future<Output = ()>,
) -> Result<(), GarageError> { ) -> Result<(), GarageError> {

10
src/garage/server.rs
View file

@ -79,7 +79,7 @@ pub async fn run_server(config_file: PathBuf, secrets: Secrets) -> Result<(), Er
"S3 API", "S3 API",
tokio::spawn(S3ApiServer::run( tokio::spawn(S3ApiServer::run(
garage.clone(), garage.clone(),
*s3_bind_addr, s3_bind_addr.clone(),
config.s3_api.s3_region.clone(), config.s3_api.s3_region.clone(),
wait_from(watch_cancel.clone()), wait_from(watch_cancel.clone()),
)), )),
@ -94,7 +94,7 @@ pub async fn run_server(config_file: PathBuf, secrets: Secrets) -> Result<(), Er
"K2V API", "K2V API",
tokio::spawn(K2VApiServer::run( tokio::spawn(K2VApiServer::run(
garage.clone(), garage.clone(),
config.k2v_api.as_ref().unwrap().api_bind_addr, config.k2v_api.as_ref().unwrap().api_bind_addr.clone(),
config.s3_api.s3_region.clone(), config.s3_api.s3_region.clone(),
wait_from(watch_cancel.clone()), wait_from(watch_cancel.clone()),
)), )),
@ -110,7 +110,7 @@ pub async fn run_server(config_file: PathBuf, secrets: Secrets) -> Result<(), Er
"Web", "Web",
tokio::spawn(WebServer::run( tokio::spawn(WebServer::run(
garage.clone(), garage.clone(),
web_config.bind_addr, web_config.bind_addr.clone(),
web_config.root_domain.clone(), web_config.root_domain.clone(),
wait_from(watch_cancel.clone()), wait_from(watch_cancel.clone()),
)), )),
@ -121,7 +121,9 @@ pub async fn run_server(config_file: PathBuf, secrets: Secrets) -> Result<(), Er
info!("Launching Admin API server..."); info!("Launching Admin API server...");
servers.push(( servers.push((
"Admin", "Admin",
tokio::spawn(admin_server.run(*admin_bind_addr, wait_from(watch_cancel.clone()))), tokio::spawn(
admin_server.run(admin_bind_addr.clone(), wait_from(watch_cancel.clone())),
),
)); ));
} }

58
src/web/web_server.rs
View file

@ -1,4 +1,6 @@
use std::{convert::Infallible, net::SocketAddr, sync::Arc}; use std::fs::{self, Permissions};
use std::os::unix::prelude::PermissionsExt;
use std::{convert::Infallible, sync::Arc};
use futures::future::Future; use futures::future::Future;
@ -9,6 +11,10 @@ use hyper::{
Body, Method, Request, Response, Server, StatusCode, Body, Method, Request, Response, Server, StatusCode,
}; };
use hyperlocal::UnixServerExt;
use tokio::net::UnixStream;
use opentelemetry::{ use opentelemetry::{
global, global,
metrics::{Counter, ValueRecorder}, metrics::{Counter, ValueRecorder},
@ -32,6 +38,7 @@ use garage_util::data::Uuid;
use garage_util::error::Error as GarageError; use garage_util::error::Error as GarageError;
use garage_util::forwarded_headers; use garage_util::forwarded_headers;
use garage_util::metrics::{gen_trace_id, RecordDuration}; use garage_util::metrics::{gen_trace_id, RecordDuration};
use garage_util::socket_address::UnixOrTCPSocketAddress;
struct WebMetrics { struct WebMetrics {
request_counter: Counter<u64>, request_counter: Counter<u64>,
@ -69,7 +76,7 @@ impl WebServer {
/// Run a web server /// Run a web server
pub async fn run( pub async fn run(
garage: Arc<Garage>, garage: Arc<Garage>,
addr: SocketAddr, addr: UnixOrTCPSocketAddress,
root_domain: String, root_domain: String,
shutdown_signal: impl Future<Output = ()>, shutdown_signal: impl Future<Output = ()>,
) -> Result<(), GarageError> { ) -> Result<(), GarageError> {
@ -80,7 +87,7 @@ impl WebServer {
root_domain, root_domain,
}); });
let service = make_service_fn(|conn: &AddrStream| { let tcp_service = make_service_fn(|conn: &AddrStream| {
let web_server = web_server.clone(); let web_server = web_server.clone();
let client_addr = conn.remote_addr(); let client_addr = conn.remote_addr();
@ -88,23 +95,56 @@ impl WebServer {
Ok::<_, Error>(service_fn(move |req: Request<Body>| { Ok::<_, Error>(service_fn(move |req: Request<Body>| {
let web_server = web_server.clone(); let web_server = web_server.clone();
web_server.handle_request(req, client_addr) web_server.handle_request(req, client_addr.to_string())
})) }))
} }
}); });
let server = Server::bind(&addr).serve(service); let unix_service = make_service_fn(|_: &UnixStream| {
let graceful = server.with_graceful_shutdown(shutdown_signal); let web_server = web_server.clone();
info!("Web server listening on http://{}", addr);
let path = addr.to_string();
async move {
Ok::<_, Error>(service_fn(move |req: Request<Body>| {
let web_server = web_server.clone();
web_server.handle_request(req, path.clone())
}))
}
});
info!("Web server listening on {}", addr);
match addr {
UnixOrTCPSocketAddress::TCPSocket(addr) => {
Server::bind(&addr)
.serve(tcp_service)
.with_graceful_shutdown(shutdown_signal)
.await?
}
UnixOrTCPSocketAddress::UnixSocket(ref path) => {
if path.exists() {
fs::remove_file(path)?
}
let bound = Server::bind_unix(path)?;
fs::set_permissions(path, Permissions::from_mode(0o222))?;
bound
.serve(unix_service)
.with_graceful_shutdown(shutdown_signal)
.await?;
}
};
graceful.await?;
Ok(()) Ok(())
} }
async fn handle_request( async fn handle_request(
self: Arc<Self>, self: Arc<Self>,
req: Request<Body>, req: Request<Body>,
addr: SocketAddr, addr: String,
) -> Result<Response<Body>, Infallible> { ) -> Result<Response<Body>, Infallible> {
if let Ok(forwarded_for_ip_addr) = if let Ok(forwarded_for_ip_addr) =
forwarded_headers::handle_forwarded_for_headers(req.headers()) forwarded_headers::handle_forwarded_for_headers(req.headers())