/usr/share/gocode/src/github.com/hashicorp/raft/discard_snapshot.go is in golang-github-hashicorp-raft-dev 0.0~git20150728.9b586e2-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 | package raft
import (
"fmt"
"io"
)
// DiscardSnapshotStore is used to successfully snapshot while
// always discarding the snapshot. This is useful for when the
// log should be truncated but no snapshot should be retained.
// This should never be used for production use, and is only
// suitable for testing.
type DiscardSnapshotStore struct{}
type DiscardSnapshotSink struct{}
// NewDiscardSnapshotStore is used to create a new DiscardSnapshotStore.
func NewDiscardSnapshotStore() *DiscardSnapshotStore {
return &DiscardSnapshotStore{}
}
func (d *DiscardSnapshotStore) Create(index, term uint64, peers []byte) (SnapshotSink, error) {
return &DiscardSnapshotSink{}, nil
}
func (d *DiscardSnapshotStore) List() ([]*SnapshotMeta, error) {
return nil, nil
}
func (d *DiscardSnapshotStore) Open(id string) (*SnapshotMeta, io.ReadCloser, error) {
return nil, nil, fmt.Errorf("open is not supported")
}
func (d *DiscardSnapshotSink) Write(b []byte) (int, error) {
return len(b), nil
}
func (d *DiscardSnapshotSink) Close() error {
return nil
}
func (d *DiscardSnapshotSink) ID() string {
return "discard"
}
func (d *DiscardSnapshotSink) Cancel() error {
return nil
}
|