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snapshot: clarify "Restore" method with conflicting data directory

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Signed-off-by: Gyuho Lee <gyuhox@gmail.com>
This commit is contained in:
Gyuho Lee 2018-01-30 09:57:10 -08:00
parent 610aefbb74
commit c59d0f9fe2
1 changed files with 5 additions and 0 deletions
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5
snapshot/v3_snapshot.go
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@ -57,6 +57,8 @@ type Manager interface {
Status(dbPath string) (Status, error)
// Restore restores a new etcd data directory from given snapshot file.
// It returns an error if specified data directory already exists, to
// prevent unintended data directory overwrites.
Restore(dbPath string, cfg RestoreConfig) error
}
@ -73,6 +75,9 @@ type RestoreConfig struct {
// Name is the human-readable name of this member.
Name string
// OutputDataDir is the target data directory to save restored data.
// OutputDataDir should not conflict with existing etcd data directory.
// If OutputDataDir already exists, it will return an error to prevent
// unintended data directory overwrites.
// Defaults to "[Name].etcd" if not given.
OutputDataDir string
// OutputWALDir is the target WAL data directory.