diff options
Diffstat (limited to 'src/rpc/system.rs')
| -rw-r--r-- | src/rpc/system.rs | 468 |
1 files changed, 201 insertions, 267 deletions
diff --git a/src/rpc/system.rs b/src/rpc/system.rs index 9e475717..9da1b176 100644 --- a/src/rpc/system.rs +++ b/src/rpc/system.rs @@ -1,9 +1,9 @@ //! Module containing structs related to membership management -use std::collections::HashMap; +use std::collections::{HashMap, HashSet}; use std::io::{Read, Write}; use std::net::{IpAddr, SocketAddr}; use std::path::{Path, PathBuf}; -use std::sync::{Arc, RwLock}; +use std::sync::{Arc, RwLock, RwLockReadGuard}; use std::time::{Duration, Instant}; use arc_swap::ArcSwapOption; @@ -12,12 +12,11 @@ use futures::join; use serde::{Deserialize, Serialize}; use sodiumoxide::crypto::sign::ed25519; use tokio::select; -use tokio::sync::watch; -use tokio::sync::Mutex; +use tokio::sync::{watch, Notify}; use garage_net::endpoint::{Endpoint, EndpointHandler}; use garage_net::message::*; -use garage_net::peering::PeeringManager; +use garage_net::peering::{PeerConnState, PeeringManager}; use garage_net::util::parse_and_resolve_peer_addr_async; use garage_net::{NetApp, NetworkKey, NodeID, NodeKey}; @@ -33,9 +32,10 @@ use garage_util::time::*; use crate::consul::ConsulDiscovery; #[cfg(feature = "kubernetes-discovery")] use crate::kubernetes::*; -use crate::layout::*; +use crate::layout::{ + self, manager::LayoutManager, LayoutHelper, LayoutHistory, NodeRoleV, RpcLayoutDigest, +}; use crate::replication_mode::*; -use crate::ring::*; use crate::rpc_helper::*; use crate::system_metrics::*; @@ -46,10 +46,10 @@ const STATUS_EXCHANGE_INTERVAL: Duration = Duration::from_secs(10); /// Version tag used for version check upon Netapp connection. /// Cluster nodes with different version tags are deemed /// incompatible and will refuse to connect. -pub const GARAGE_VERSION_TAG: u64 = 0x6761726167650008; // garage 0x0008 +pub const GARAGE_VERSION_TAG: u64 = 0x676172616765000A; // garage 0x000A /// 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/system.rs/SystemRpc"; /// RPC messages related to membership #[derive(Debug, Serialize, Deserialize, Clone)] @@ -58,17 +58,22 @@ pub enum SystemRpc { Ok, /// Request to connect to a specific node (in <pubkey>@<host>:<port> format, pubkey = full-length node ID) Connect(String), - /// Ask other node its cluster layout. Answered with AdvertiseClusterLayout - PullClusterLayout, /// Advertise Garage status. Answered with another AdvertiseStatus. /// Exchanged with every node on a regular basis. AdvertiseStatus(NodeStatus), - /// Advertisement of cluster layout. Sent spontanously or in response to PullClusterLayout - AdvertiseClusterLayout(ClusterLayout), /// Get known nodes states GetKnownNodes, /// Return known nodes ReturnKnownNodes(Vec<KnownNodeInfo>), + + /// Ask other node its cluster layout. Answered with AdvertiseClusterLayout + PullClusterLayout, + /// Advertisement of cluster layout. Sent spontanously or in response to PullClusterLayout + AdvertiseClusterLayout(LayoutHistory), + /// Ask other node its cluster layout update trackers. + PullClusterLayoutTrackers, + /// Advertisement of cluster layout update trackers. + AdvertiseClusterLayoutTrackers(layout::UpdateTrackers), } impl Rpc for SystemRpc { @@ -84,7 +89,6 @@ pub struct System { /// The id of this node pub id: Uuid, - persist_cluster_layout: Persister<ClusterLayout>, persist_peer_list: Persister<PeerList>, pub(crate) local_status: RwLock<NodeStatus>, @@ -92,9 +96,8 @@ pub struct System { pub netapp: Arc<NetApp>, peering: Arc<PeeringManager>, - pub rpc: RpcHelper, - system_endpoint: Arc<Endpoint<SystemRpc, System>>, + pub(crate) system_endpoint: Arc<Endpoint<SystemRpc, System>>, rpc_listen_addr: SocketAddr, rpc_public_addr: Option<SocketAddr>, @@ -105,14 +108,11 @@ pub struct System { #[cfg(feature = "kubernetes-discovery")] kubernetes_discovery: Option<KubernetesDiscoveryConfig>, - metrics: ArcSwapOption<SystemMetrics>, + pub layout_manager: Arc<LayoutManager>, - replication_mode: ReplicationMode, - pub(crate) replication_factor: usize, + metrics: ArcSwapOption<SystemMetrics>, - /// The ring - pub ring: watch::Receiver<Arc<Ring>>, - update_ring: Mutex<watch::Sender<Arc<Ring>>>, + pub(crate) replication_factor: ReplicationFactor, /// Path to metadata directory pub metadata_dir: PathBuf, @@ -123,14 +123,13 @@ pub struct System { #[derive(Debug, Clone, Serialize, Deserialize)] pub struct NodeStatus { /// Hostname of the node - pub hostname: String, + pub hostname: Option<String>, /// Replication factor configured on the node pub replication_factor: usize, - /// Cluster layout version - pub cluster_layout_version: u64, - /// Hash of cluster layout staging data - pub cluster_layout_staging_hash: Hash, + + /// Cluster layout digest + pub layout_digest: RpcLayoutDigest, /// Disk usage on partition containing metadata directory (tuple: `(avail, total)`) #[serde(default)] @@ -143,7 +142,7 @@ pub struct NodeStatus { #[derive(Debug, Clone, Serialize, Deserialize)] pub struct KnownNodeInfo { pub id: Uuid, - pub addr: SocketAddr, + pub addr: Option<SocketAddr>, pub is_up: bool, pub last_seen_secs_ago: Option<u64>, pub status: NodeStatus, @@ -243,11 +242,11 @@ impl System { /// Create this node's membership manager pub fn new( network_key: NetworkKey, - replication_mode: ReplicationMode, + replication_factor: ReplicationFactor, + consistency_mode: ConsistencyMode, config: &Config, ) -> Result<Arc<Self>, Error> { - let replication_factor = replication_mode.replication_factor(); - + // ---- setup netapp RPC protocol ---- let node_key = gen_node_key(&config.metadata_dir).expect("Unable to read or generate node ID"); info!( @@ -255,83 +254,39 @@ impl System { hex::encode(&node_key.public_key()[..8]) ); - let persist_cluster_layout: Persister<ClusterLayout> = - Persister::new(&config.metadata_dir, "cluster_layout"); - let persist_peer_list = Persister::new(&config.metadata_dir, "peer_list"); - - let cluster_layout = match persist_cluster_layout.load() { - Ok(x) => { - if x.replication_factor != replication_factor { - return Err(Error::Message(format!( - "Prevous cluster layout has replication factor {}, which is different than the one specified in the config file ({}). The previous cluster layout can be purged, if you know what you are doing, simply by deleting the `cluster_layout` file in your metadata directory.", - x.replication_factor, - replication_factor - ))); - } - x - } - Err(e) => { - info!( - "No valid previous cluster layout stored ({}), starting fresh.", - e - ); - ClusterLayout::new(replication_factor) - } - }; - - let mut local_status = NodeStatus::initial(replication_factor, &cluster_layout); - local_status.update_disk_usage(&config.metadata_dir, &config.data_dir); + let bind_outgoing_to = Some(config) + .filter(|x| x.rpc_bind_outgoing) + .map(|x| x.rpc_bind_addr.ip()); + let netapp = NetApp::new(GARAGE_VERSION_TAG, network_key, node_key, bind_outgoing_to); + let system_endpoint = netapp.endpoint(SYSTEM_RPC_PATH.into()); - let ring = Ring::new(cluster_layout, replication_factor); - let (update_ring, ring) = watch::channel(Arc::new(ring)); - - let rpc_public_addr = match &config.rpc_public_addr { - Some(a_str) => { - use std::net::ToSocketAddrs; - match a_str.to_socket_addrs() { - Err(e) => { - error!( - "Cannot resolve rpc_public_addr {} from config file: {}.", - a_str, e - ); - None - } - Ok(a) => { - let a = a.collect::<Vec<_>>(); - if a.is_empty() { - error!("rpc_public_addr {} resolve to no known IP address", a_str); - } - if a.len() > 1 { - warn!("Multiple possible resolutions for rpc_public_addr: {:?}. Taking the first one.", a); - } - a.into_iter().next() - } - } - } - None => { - let addr = - get_default_ip().map(|ip| SocketAddr::new(ip, config.rpc_bind_addr.port())); - if let Some(a) = addr { - warn!("Using autodetected rpc_public_addr: {}. Consider specifying it explicitly in configuration file if possible.", a); - } - addr - } - }; + // ---- setup netapp public listener and full mesh peering strategy ---- + let rpc_public_addr = get_rpc_public_addr(config); if rpc_public_addr.is_none() { warn!("This Garage node does not know its publicly reachable RPC address, this might hamper intra-cluster communication."); } - let bind_outgoing_to = Some(config) - .filter(|x| x.rpc_bind_outgoing) - .map(|x| x.rpc_bind_addr.ip()); - let netapp = NetApp::new(GARAGE_VERSION_TAG, network_key, node_key, bind_outgoing_to); let peering = PeeringManager::new(netapp.clone(), vec![], rpc_public_addr); if let Some(ping_timeout) = config.rpc_ping_timeout_msec { peering.set_ping_timeout_millis(ping_timeout); } - let system_endpoint = netapp.endpoint(SYSTEM_RPC_PATH.into()); + let persist_peer_list = Persister::new(&config.metadata_dir, "peer_list"); + + // ---- setup cluster layout and layout manager ---- + let layout_manager = LayoutManager::new( + config, + netapp.id, + system_endpoint.clone(), + peering.clone(), + replication_factor, + consistency_mode, + )?; + + let mut local_status = NodeStatus::initial(replication_factor, &layout_manager); + local_status.update_disk_usage(&config.metadata_dir, &config.data_dir); + // ---- if enabled, set up additionnal peer discovery methods ---- #[cfg(feature = "consul-discovery")] let consul_discovery = match &config.consul_discovery { Some(cfg) => Some( @@ -350,22 +305,15 @@ impl System { warn!("Kubernetes discovery is not enabled in this build."); } + // ---- almost done ---- let sys = Arc::new(System { id: netapp.id.into(), - persist_cluster_layout, persist_peer_list, local_status: RwLock::new(local_status), node_status: RwLock::new(HashMap::new()), netapp: netapp.clone(), peering: peering.clone(), - rpc: RpcHelper::new( - netapp.id.into(), - peering, - ring.clone(), - config.rpc_timeout_msec.map(Duration::from_millis), - ), system_endpoint, - replication_mode, replication_factor, rpc_listen_addr: config.rpc_bind_addr, rpc_public_addr, @@ -374,10 +322,9 @@ impl System { consul_discovery, #[cfg(feature = "kubernetes-discovery")] kubernetes_discovery: config.kubernetes_discovery.clone(), + layout_manager, metrics: ArcSwapOption::new(None), - ring, - update_ring: Mutex::new(update_ring), metadata_dir: config.metadata_dir.clone(), data_dir: config.data_dir.clone(), }); @@ -409,6 +356,20 @@ impl System { self.metrics.store(None); } + // ---- Public utilities / accessors ---- + + pub fn cluster_layout(&self) -> RwLockReadGuard<'_, LayoutHelper> { + self.layout_manager.layout() + } + + pub fn layout_notify(&self) -> Arc<Notify> { + self.layout_manager.change_notify.clone() + } + + pub fn rpc_helper(&self) -> &RpcHelper { + &self.layout_manager.rpc_helper + } + // ---- Administrative operations (directly available and // also available through RPC) ---- @@ -420,7 +381,11 @@ impl System { .iter() .map(|n| KnownNodeInfo { id: n.id.into(), - addr: n.addr, + addr: match n.state { + PeerConnState::Ourself => self.rpc_public_addr, + PeerConnState::Connected { addr } => Some(addr), + _ => None, + }, is_up: n.is_up(), last_seen_secs_ago: n .last_seen @@ -435,18 +400,6 @@ impl System { known_nodes } - pub fn get_cluster_layout(&self) -> ClusterLayout { - self.ring.borrow().layout.clone() - } - - pub async fn update_cluster_layout( - self: &Arc<Self>, - layout: &ClusterLayout, - ) -> Result<(), Error> { - self.handle_advertise_cluster_layout(layout).await?; - Ok(()) - } - pub async fn connect(&self, node: &str) -> Result<(), Error> { let (pubkey, addrs) = parse_and_resolve_peer_addr_async(node) .await @@ -476,47 +429,65 @@ impl System { } pub fn health(&self) -> ClusterHealth { - let ring: Arc<_> = self.ring.borrow().clone(); - let quorum = self.replication_mode.write_quorum(); - let replication_factor = self.replication_factor; - + let quorum = self + .replication_factor + .write_quorum(ConsistencyMode::Consistent); + + // Gather information about running nodes. + // Technically, `nodes` contains currently running nodes, as well + // as nodes that this Garage process has been connected to at least + // once since it started. let nodes = self .get_known_nodes() .into_iter() .map(|n| (n.id, n)) .collect::<HashMap<Uuid, _>>(); let connected_nodes = nodes.iter().filter(|(_, n)| n.is_up).count(); + let node_up = |x: &Uuid| nodes.get(x).map(|n| n.is_up).unwrap_or(false); + + // Acquire a rwlock read-lock to the current cluster layout + let layout = self.cluster_layout(); + + // Obtain information about nodes that have a role as storage nodes + // in one of the active layout versions + let mut storage_nodes = HashSet::<Uuid>::with_capacity(16); + for ver in layout.versions.iter() { + storage_nodes.extend( + ver.roles + .items() + .iter() + .filter(|(_, _, v)| matches!(v, NodeRoleV(Some(r)) if r.capacity.is_some())) + .map(|(n, _, _)| *n), + ) + } + let storage_nodes_ok = storage_nodes.iter().filter(|x| node_up(x)).count(); + + // Determine the number of partitions that have: + // - a quorum of up nodes for all write sets (i.e. are available) + // - for which all nodes in all write sets are up (i.e. are fully healthy) + let partitions = layout.current().partitions().collect::<Vec<_>>(); + let mut partitions_quorum = 0; + let mut partitions_all_ok = 0; + for (_, hash) in partitions.iter() { + let mut write_sets = layout + .versions + .iter() + .map(|x| x.nodes_of(hash, x.replication_factor)); + let has_quorum = write_sets + .clone() + .all(|set| set.filter(|x| node_up(x)).count() >= quorum); + let all_ok = write_sets.all(|mut set| set.all(|x| node_up(&x))); + if has_quorum { + partitions_quorum += 1; + } + if all_ok { + partitions_all_ok += 1; + } + } - let storage_nodes = ring - .layout - .roles - .items() - .iter() - .filter(|(_, _, v)| matches!(v, NodeRoleV(Some(r)) if r.capacity.is_some())) - .collect::<Vec<_>>(); - let storage_nodes_ok = storage_nodes - .iter() - .filter(|(x, _, _)| nodes.get(x).map(|n| n.is_up).unwrap_or(false)) - .count(); - - let partitions = ring.partitions(); - let partitions_n_up = partitions - .iter() - .map(|(_, h)| { - let pn = ring.get_nodes(h, ring.replication_factor); - pn.iter() - .filter(|x| nodes.get(x).map(|n| n.is_up).unwrap_or(false)) - .count() - }) - .collect::<Vec<usize>>(); - let partitions_all_ok = partitions_n_up - .iter() - .filter(|c| **c == replication_factor) - .count(); - let partitions_quorum = partitions_n_up.iter().filter(|c| **c >= quorum).count(); - + // Determine overall cluster status let status = - if partitions_quorum == partitions.len() && storage_nodes_ok == storage_nodes.len() { + if partitions_all_ok == partitions.len() && storage_nodes_ok == storage_nodes.len() { ClusterHealthStatus::Healthy } else if partitions_quorum == partitions.len() { ClusterHealthStatus::Degraded @@ -553,7 +524,7 @@ impl System { } }; - let hostname = self.local_status.read().unwrap().hostname.clone(); + let hostname = self.local_status.read().unwrap().hostname.clone().unwrap(); if let Err(e) = c .publish_consul_service(self.netapp.id, &hostname, rpc_public_addr) .await @@ -577,30 +548,16 @@ impl System { } }; - let hostname = self.local_status.read().unwrap().hostname.clone(); + let hostname = self.local_status.read().unwrap().hostname.clone().unwrap(); if let Err(e) = publish_kubernetes_node(k, self.netapp.id, &hostname, rpc_public_addr).await { error!("Error while publishing node to Kubernetes: {}", e); } } - /// Save network configuration to disc - async fn save_cluster_layout(&self) -> Result<(), Error> { - let ring: Arc<Ring> = self.ring.borrow().clone(); - self.persist_cluster_layout - .save_async(&ring.layout) - .await - .expect("Cannot save current cluster layout"); - Ok(()) - } - fn update_local_status(&self) { let mut local_status = self.local_status.write().unwrap(); - - let ring = self.ring.borrow(); - local_status.cluster_layout_version = ring.layout.version; - local_status.cluster_layout_staging_hash = ring.layout.staging_hash; - + local_status.layout_digest = self.layout_manager.layout().digest(); local_status.update_disk_usage(&self.metadata_dir, &self.data_dir); } @@ -611,11 +568,6 @@ impl System { Ok(SystemRpc::Ok) } - fn handle_pull_cluster_layout(&self) -> SystemRpc { - let ring = self.ring.borrow().clone(); - SystemRpc::AdvertiseClusterLayout(ring.layout.clone()) - } - fn handle_get_known_nodes(&self) -> SystemRpc { let known_nodes = self.get_known_nodes(); SystemRpc::ReturnKnownNodes(known_nodes) @@ -635,11 +587,8 @@ impl System { std::process::exit(1); } - if info.cluster_layout_version > local_info.cluster_layout_version - || info.cluster_layout_staging_hash != local_info.cluster_layout_staging_hash - { - tokio::spawn(self.clone().pull_cluster_layout(from)); - } + self.layout_manager + .handle_advertise_status(from, &info.layout_digest); drop(local_info); @@ -651,57 +600,6 @@ impl System { Ok(SystemRpc::Ok) } - async fn handle_advertise_cluster_layout( - self: &Arc<Self>, - adv: &ClusterLayout, - ) -> Result<SystemRpc, Error> { - if adv.replication_factor != self.replication_factor { - let msg = format!( - "Received a cluster layout from another node with replication factor {}, which is different from what we have in our configuration ({}). Discarding the cluster layout we received.", - adv.replication_factor, - self.replication_factor - ); - error!("{}", msg); - return Err(Error::Message(msg)); - } - - let update_ring = self.update_ring.lock().await; - let mut layout: ClusterLayout = self.ring.borrow().layout.clone(); - - let prev_layout_check = layout.check().is_ok(); - if layout.merge(adv) { - if prev_layout_check && layout.check().is_err() { - error!("New cluster layout is invalid, discarding."); - return Err(Error::Message( - "New cluster layout is invalid, discarding.".into(), - )); - } - - let ring = Ring::new(layout.clone(), self.replication_factor); - update_ring.send(Arc::new(ring))?; - drop(update_ring); - - let self2 = self.clone(); - tokio::spawn(async move { - if let Err(e) = self2 - .rpc - .broadcast( - &self2.system_endpoint, - SystemRpc::AdvertiseClusterLayout(layout), - RequestStrategy::with_priority(PRIO_HIGH), - ) - .await - { - warn!("Error while broadcasting new cluster layout: {}", e); - } - }); - - self.save_cluster_layout().await?; - } - - Ok(SystemRpc::Ok) - } - async fn status_exchange_loop(&self, mut stop_signal: watch::Receiver<bool>) { while !*stop_signal.borrow() { let restart_at = Instant::now() + STATUS_EXCHANGE_INTERVAL; @@ -711,7 +609,7 @@ impl System { let local_status: NodeStatus = self.local_status.read().unwrap().clone(); let _ = self - .rpc + .rpc_helper() .broadcast( &self.system_endpoint, SystemRpc::AdvertiseStatus(local_status), @@ -736,10 +634,9 @@ impl System { .filter(|p| p.is_up()) .count(); - let not_configured = self.ring.borrow().layout.check().is_err(); - let no_peers = n_connected < self.replication_factor; - - let expected_n_nodes = self.ring.borrow().layout.num_nodes(); + let not_configured = self.cluster_layout().check().is_err(); + let no_peers = n_connected < self.replication_factor.into(); + let expected_n_nodes = self.cluster_layout().all_nodes().len(); let bad_peers = n_connected != expected_n_nodes; if not_configured || no_peers || bad_peers { @@ -791,8 +688,8 @@ impl System { // If the layout is configured, and we already have some connections // to other nodes in the cluster, we can skip trying to connect to // nodes that are not in the cluster layout. - let ring = self.ring.borrow(); - ping_list.retain(|(id, _)| ring.layout.node_ids().contains(&(*id).into())); + let layout = self.cluster_layout(); + ping_list.retain(|(id, _)| layout.all_nodes().contains(&(*id).into())); } for (node_id, node_addr) in ping_list { @@ -829,7 +726,10 @@ impl System { .peering .get_peer_list() .iter() - .map(|n| (n.id.into(), n.addr)) + .filter_map(|n| match n.state { + PeerConnState::Connected { addr } => Some((n.id.into(), addr)), + _ => None, + }) .collect::<Vec<_>>(); // Before doing it, we read the current peer list file (if it exists) @@ -847,48 +747,49 @@ impl System { .save_async(&PeerList(peer_list)) .await } - - async fn pull_cluster_layout(self: Arc<Self>, peer: Uuid) { - let resp = self - .rpc - .call( - &self.system_endpoint, - peer, - SystemRpc::PullClusterLayout, - RequestStrategy::with_priority(PRIO_HIGH), - ) - .await; - if let Ok(SystemRpc::AdvertiseClusterLayout(layout)) = resp { - let _: Result<_, _> = self.handle_advertise_cluster_layout(&layout).await; - } - } } #[async_trait] impl EndpointHandler<SystemRpc> for System { async fn handle(self: &Arc<Self>, msg: &SystemRpc, from: NodeID) -> Result<SystemRpc, Error> { match msg { + // ---- system functions -> System ---- SystemRpc::Connect(node) => self.handle_connect(node).await, - SystemRpc::PullClusterLayout => Ok(self.handle_pull_cluster_layout()), SystemRpc::AdvertiseStatus(adv) => self.handle_advertise_status(from.into(), adv).await, + SystemRpc::GetKnownNodes => Ok(self.handle_get_known_nodes()), + + // ---- layout functions -> LayoutManager ---- + SystemRpc::PullClusterLayout => Ok(self.layout_manager.handle_pull_cluster_layout()), SystemRpc::AdvertiseClusterLayout(adv) => { - self.clone().handle_advertise_cluster_layout(adv).await + self.layout_manager + .handle_advertise_cluster_layout(adv) + .await } - SystemRpc::GetKnownNodes => Ok(self.handle_get_known_nodes()), + SystemRpc::PullClusterLayoutTrackers => { + Ok(self.layout_manager.handle_pull_cluster_layout_trackers()) + } + SystemRpc::AdvertiseClusterLayoutTrackers(adv) => { + self.layout_manager + .handle_advertise_cluster_layout_trackers(adv) + .await + } + + // ---- other -> Error ---- m => Err(Error::unexpected_rpc_message(m)), } } } impl NodeStatus { - fn initial(replication_factor: usize, layout: &ClusterLayout) -> Self { + fn initial(replication_factor: ReplicationFactor, layout_manager: &LayoutManager) -> Self { NodeStatus { - hostname: gethostname::gethostname() - .into_string() - .unwrap_or_else(|_| "<invalid utf-8>".to_string()), - replication_factor, - cluster_layout_version: layout.version, - cluster_layout_staging_hash: layout.staging_hash, + hostname: Some( + gethostname::gethostname() + .into_string() + .unwrap_or_else(|_| "<invalid utf-8>".to_string()), + ), + replication_factor: replication_factor.into(), + layout_digest: layout_manager.layout().digest(), meta_disk_avail: None, data_disk_avail: None, } @@ -896,10 +797,9 @@ impl NodeStatus { fn unknown() -> Self { NodeStatus { - hostname: "?".to_string(), + hostname: None, replication_factor: 0, - cluster_layout_version: 0, - cluster_layout_staging_hash: Hash::from([0u8; 32]), + layout_digest: Default::default(), meta_disk_avail: None, data_disk_avail: None, } @@ -952,6 +852,40 @@ fn get_default_ip() -> Option<IpAddr> { .map(|a| a.ip()) } +fn get_rpc_public_addr(config: &Config) -> Option<SocketAddr> { + match &config.rpc_public_addr { + Some(a_str) => { + use std::net::ToSocketAddrs; + match a_str.to_socket_addrs() { + Err(e) => { + error!( + "Cannot resolve rpc_public_addr {} from config file: {}.", + a_str, e + ); + None + } + Ok(a) => { + let a = a.collect::<Vec<_>>(); + if a.is_empty() { + error!("rpc_public_addr {} resolve to no known IP address", a_str); + } + if a.len() > 1 { + warn!("Multiple possible resolutions for rpc_public_addr: {:?}. Taking the first one.", a); + } + a.into_iter().next() + } + } + } + None => { + let addr = get_default_ip().map(|ip| SocketAddr::new(ip, config.rpc_bind_addr.port())); + if let Some(a) = addr { + warn!("Using autodetected rpc_public_addr: {}. Consider specifying it explicitly in configuration file if possible.", a); + } + addr + } + } +} + async fn resolve_peers(peers: &[String]) -> Vec<(NodeID, SocketAddr)> { let mut ret = vec![]; |