Deuxfleurs/garage
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fixes

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- make block_put call uninterruptible by client
- used meta_replication_factor instead of data_replication_factor
- listen on ipv6
This commit is contained in:
Alex 2020-04-12 12:10:33 +02:00
parent 9c931f5eda
commit 419c70e506
3 changed files with 27 additions and 11 deletions
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8
src/api_server.rs
View file

@ -24,7 +24,7 @@ pub async fn run_api_server(
garage: Arc<Garage>,
shutdown_signal: impl Future<Output = ()>,
) -> Result<(), Error> {
let addr = ([0, 0, 0, 0], garage.system.config.api_port).into();
let addr = ([0, 0, 0, 0, 0, 0, 0, 0], garage.system.config.api_port).into();
let service = make_service_fn(|conn: &AddrStream| {
let garage = garage.clone();
@ -215,12 +215,12 @@ async fn put_block(garage: Arc<Garage>, hash: Hash, data: Vec<u8>) -> Result<(),
.ring
.borrow()
.clone()
.walk_ring(&hash, garage.system.config.meta_replication_factor);
.walk_ring(&hash, garage.system.config.data_replication_factor);
rpc_try_call_many(
garage.system.clone(),
&who[..],
&Message::PutBlock(PutBlockMessage { hash, data }),
(garage.system.config.meta_replication_factor + 1) / 2,
(garage.system.config.data_replication_factor + 1) / 2,
DEFAULT_TIMEOUT,
)
.await?;
@ -362,7 +362,7 @@ async fn get_block(garage: Arc<Garage>, hash: &Hash) -> Result<Vec<u8>, Error> {
.ring
.borrow()
.clone()
.walk_ring(&hash, garage.system.config.meta_replication_factor);
.walk_ring(&hash, garage.system.config.data_replication_factor);
let resps = rpc_try_call_many(
garage.system.clone(),
&who[..],

3
src/error.rs
View file

@ -32,6 +32,9 @@ pub enum Error {
#[error(display = "Timeout: {}", _0)]
RPCTimeout(#[error(source)] tokio::time::Elapsed),
#[error(display = "Tokio join error: {}", _0)]
TokioJoin(#[error(source)] tokio::task::JoinError),
#[error(display = "RPC error: {}", _0)]
RPCError(String),

27
src/rpc_server.rs
View file

@ -56,19 +56,32 @@ async fn handler(
);
let sys = garage.system.clone();
let resp = err_to_msg(match &msg {
Message::Ping(ping) => sys.handle_ping(&addr, ping).await,
let resp = err_to_msg(match msg {
Message::Ping(ping) => sys.handle_ping(&addr, &ping).await,
Message::PullStatus => sys.handle_pull_status(),
Message::PullConfig => sys.handle_pull_config(),
Message::AdvertiseNodesUp(adv) => sys.handle_advertise_nodes_up(adv).await,
Message::AdvertiseConfig(adv) => sys.handle_advertise_config(adv).await,
Message::AdvertiseNodesUp(adv) => sys.handle_advertise_nodes_up(&adv).await,
Message::AdvertiseConfig(adv) => sys.handle_advertise_config(&adv).await,
Message::PutBlock(m) => garage.block_manager.write_block(&m.hash, &m.data).await,
Message::PutBlock(m) => {
// A RPC can be interrupted in the middle, however we don't want to write partial blocks,
// which might happen if the write_block() future is cancelled in the middle.
// To solve this, the write itself is in a spawned task that has its own separate lifetime,
// and the request handler simply sits there waiting for the task to finish.
// (if it's cancelled, that's not an issue)
// (TODO FIXME except if garage happens to shut down at that point)
let write_fut = async move {
garage.block_manager.write_block(&m.hash, &m.data).await
};
tokio::spawn(write_fut).await?
}
Message::GetBlock(h) => garage.block_manager.read_block(&h).await,
Message::TableRPC(table, msg) => {
if let Some(rpc_handler) = garage.table_rpc_handlers.get(table) {
// For now, table RPCs use transactions that are not async so even if the future
// is canceled, the db should be in a consistent state.
if let Some(rpc_handler) = garage.table_rpc_handlers.get(&table) {
rpc_handler
.handle(&msg[..])
.await
@ -90,7 +103,7 @@ pub async fn run_rpc_server(
garage: Arc<Garage>,
shutdown_signal: impl Future<Output = ()>,
) -> Result<(), Error> {
let bind_addr = ([0, 0, 0, 0], garage.system.config.rpc_port).into();
let bind_addr = ([0, 0, 0, 0, 0, 0, 0, 0], garage.system.config.rpc_port).into();
let service = make_service_fn(|conn: &AddrStream| {
let client_addr = conn.remote_addr();