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Publish initial snapshot hash in gossip on validator startup (#8679)

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This commit is contained in:
Michael Vines
2020-03-05 23:52:31 -07:00
committed by GitHub
parent 542691c4e4
commit cb6848aa80
4 changed files with 39 additions and 25 deletions
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18
core/src/snapshot_packager_service.rs
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@ -1,7 +1,6 @@
use crate::cluster_info::{ClusterInfo, MAX_SNAPSHOT_HASHES};
use solana_ledger::{
snapshot_package::SnapshotPackageReceiver, snapshot_utils::archive_snapshot_package,
};
use solana_ledger::{snapshot_package::SnapshotPackageReceiver, snapshot_utils};
use solana_sdk::{clock::Slot, hash::Hash};
use std::{
sync::{
atomic::{AtomicBool, Ordering},
@ -19,15 +18,24 @@ pub struct SnapshotPackagerService {
impl SnapshotPackagerService {
pub fn new(
snapshot_package_receiver: SnapshotPackageReceiver,
starting_snapshot_hash: Option<(Slot, Hash)>,
exit: &Arc<AtomicBool>,
cluster_info: &Arc<RwLock<ClusterInfo>>,
) -> Self {
let exit = exit.clone();
let cluster_info = cluster_info.clone();
let t_snapshot_packager = Builder::new()
.name("solana-snapshot-packager".to_string())
.spawn(move || {
let mut hashes = vec![];
if let Some(starting_snapshot_hash) = starting_snapshot_hash {
hashes.push(starting_snapshot_hash);
}
cluster_info
.write()
.unwrap()
.push_snapshot_hashes(hashes.clone());
loop {
if exit.load(Ordering::Relaxed) {
break;
@ -41,7 +49,9 @@ impl SnapshotPackagerService {
{
snapshot_package = new_snapshot_package;
}
if let Err(err) = archive_snapshot_package(&snapshot_package) {
if let Err(err) =
snapshot_utils::archive_snapshot_package(&snapshot_package)
{
warn!("Failed to create snapshot archive: {}", err);
} else {
hashes.push((snapshot_package.root, snapshot_package.hash));