Improve error message on rpc connection failure

This commit is contained in:
Alex 2022-12-14 12:57:33 +01:00
parent d56c472712
commit a19bfef508
Signed by untrusted user: lx
GPG key ID: 0E496D15096376BE

View file

@ -50,8 +50,6 @@ pub const GARAGE_VERSION_TAG: u64 = 0x6761726167650008; // garage 0x0008
/// RPC endpoint used for calls related to membership /// RPC endpoint used for calls related to membership
pub const SYSTEM_RPC_PATH: &str = "garage_rpc/membership.rs/SystemRpc"; pub const SYSTEM_RPC_PATH: &str = "garage_rpc/membership.rs/SystemRpc";
pub const CONNECT_ERROR_MESSAGE: &str = "Error establishing RPC connection to remote node. This can happen if the remote node is not reachable on the network, but also if the two nodes are not configured with the same rpc_secret";
/// RPC messages related to membership /// RPC messages related to membership
#[derive(Debug, Serialize, Deserialize, Clone)] #[derive(Debug, Serialize, Deserialize, Clone)]
pub enum SystemRpc { pub enum SystemRpc {
@ -438,17 +436,17 @@ impl System {
)) ))
})?; })?;
let mut errors = vec![]; let mut errors = vec![];
for ip in addrs.iter() { for addr in addrs.iter() {
match self match self
.netapp .netapp
.clone() .clone()
.try_connect(*ip, pubkey) .try_connect(*addr, pubkey)
.await .await
.err_context(CONNECT_ERROR_MESSAGE) .err_context(connect_error_message(*addr, pubkey))
{ {
Ok(()) => return Ok(()), Ok(()) => return Ok(()),
Err(e) => { Err(e) => {
errors.push((*ip, e)); errors.push((*addr, e));
} }
} }
} }
@ -772,7 +770,7 @@ impl System {
self.netapp self.netapp
.clone() .clone()
.try_connect(node_addr, node_id) .try_connect(node_addr, node_id)
.map(|r| r.err_context(CONNECT_ERROR_MESSAGE)), .map(move |r| r.err_context(connect_error_message(node_addr, node_id))),
); );
} }
} }
@ -875,3 +873,7 @@ async fn resolve_peers(peers: &[String]) -> Vec<(NodeID, SocketAddr)> {
ret ret
} }
fn connect_error_message(addr: SocketAddr, pubkey: ed25519::PublicKey) -> String {
format!("Error establishing RPC connection to remote node: {}@{}.\nThis can happen if the remote node is not reachable on the network, but also if the two nodes are not configured with the same rpc_secret", hex::encode(pubkey), addr)
}