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Avoid creating snapshots repeatedly

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Signed-off-by: Yanqiang Miao <miao.yanqiang@zte.com.cn>
This commit is contained in:
Yanqiang Miao 2017-04-20 12:59:33 +08:00
parent bbeaab5ee3
commit df8ece5a41
1 changed files with 2 additions and 2 deletions
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4
rootfs/apply.go
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@ -69,7 +69,7 @@ func ApplyLayer(snapshots snapshot.Snapshotter, mounter Mounter, rd io.Reader, p
digester := digest.Canonical.Digester() // used to calculate diffID.
rd = io.TeeReader(rd, digester.Hash())
if _, err := archive.Apply(context.Background(), key, rd); err != nil {
if _, err := archive.Apply(context.Background(), dir, rd); err != nil {
return "", err
}
@ -80,7 +80,7 @@ func ApplyLayer(snapshots snapshot.Snapshotter, mounter Mounter, rd io.Reader, p
chainID = identity.ChainID([]digest.Digest{parent, chainID})
}
if _, err := snapshots.Stat(ctx, chainID.String()); err == nil {
return diffID, nil //TODO: call snapshots.Remove(ctx, key) once implemented
return diffID, snapshots.Remove(ctx, key)
}
return diffID, snapshots.Commit(ctx, chainID.String(), key)