Merge pull request #17151 from serathius/fix-bootstrap

[release-3.5] Fix etcd bootstrap: Etcd not validating database consistent index, closing database and panicking on nil backend.
This commit is contained in:
Marek Siarkowicz 2023-12-20 16:33:24 +01:00 committed by GitHub
commit ae3b43a924
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@ -35,6 +35,7 @@ import (
humanize "github.com/dustin/go-humanize"
"github.com/prometheus/client_golang/prometheus"
"go.etcd.io/etcd/server/v3/config"
"go.etcd.io/etcd/server/v3/wal/walpb"
"go.uber.org/zap"
pb "go.etcd.io/etcd/api/v3/etcdserverpb"
@ -392,7 +393,7 @@ func NewServer(cfg config.ServerConfig) (srv *EtcdServer, err error) {
}
defer func() {
if err != nil {
if be != nil && err != nil {
be.Close()
}
}()
@ -485,13 +486,14 @@ func NewServer(cfg config.ServerConfig) (srv *EtcdServer, err error) {
}
// Find a snapshot to start/restart a raft node
walSnaps, err := wal.ValidSnapshotEntries(cfg.Logger, cfg.WALDir())
var walSnaps []walpb.Snapshot
walSnaps, err = wal.ValidSnapshotEntries(cfg.Logger, cfg.WALDir())
if err != nil {
return nil, err
}
// snapshot files can be orphaned if etcd crashes after writing them but before writing the corresponding
// wal log entries
snapshot, err := ss.LoadNewestAvailable(walSnaps)
snapshot, err = ss.LoadNewestAvailable(walSnaps)
if err != nil && err != snap.ErrNoSnapshot {
return nil, err
}