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Dedup WithNewSnapshotView

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Signed-off-by: Jin Dong <djdongjin95@gmail.com>
This commit is contained in:
Jin Dong
2023-06-21 23:20:24 +00:00
committed by Jin Dong
parent 3c250cb508
commit 01a6e1c730
1 changed files with 18 additions and 35 deletions
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53
container_opts.go
View File

@@ -206,38 +206,6 @@ func WithSnapshot(id string) NewContainerOpts {
}
}
// WithNewSnapshot allocates a new snapshot to be used by the container as the
// root filesystem in read-write mode
func WithNewSnapshot(id string, i Image, opts ...snapshots.Opt) NewContainerOpts {
return func(ctx context.Context, client *Client, c *containers.Container) error {
diffIDs, err := i.RootFS(ctx)
if err != nil {
return err
}
parent := identity.ChainID(diffIDs).String()
c.Snapshotter, err = client.resolveSnapshotterName(ctx, c.Snapshotter)
if err != nil {
return err
}
s, err := client.getSnapshotter(ctx, c.Snapshotter)
if err != nil {
return err
}
parent, err = resolveSnapshotOptions(ctx, client, c.Snapshotter, s, parent, opts...)
if err != nil {
return err
}
if _, err := s.Prepare(ctx, id, parent, opts...); err != nil {
return err
}
c.SnapshotKey = id
c.Image = i.Name()
return nil
}
}
// WithSnapshotCleanup deletes the rootfs snapshot allocated for the container
func WithSnapshotCleanup(ctx context.Context, client *Client, c containers.Container) error {
if c.SnapshotKey != "" {
@@ -255,11 +223,21 @@ func WithSnapshotCleanup(ctx context.Context, client *Client, c containers.Conta
return nil
}
// WithNewSnapshot allocates a new snapshot to be used by the container as the
// root filesystem in read-write mode
func WithNewSnapshot(id string, i Image, opts ...snapshots.Opt) NewContainerOpts {
return withNewSnapshot(id, i, false, opts...)
}
// WithNewSnapshotView allocates a new snapshot to be used by the container as the
// root filesystem in read-only mode
func WithNewSnapshotView(id string, i Image, opts ...snapshots.Opt) NewContainerOpts {
return withNewSnapshot(id, i, true, opts...)
}
func withNewSnapshot(id string, i Image, readonly bool, opts ...snapshots.Opt) NewContainerOpts {
return func(ctx context.Context, client *Client, c *containers.Container) error {
diffIDs, err := i.(*image).i.RootFS(ctx, client.ContentStore(), client.platform)
diffIDs, err := i.RootFS(ctx)
if err != nil {
return err
}
@@ -273,12 +251,17 @@ func WithNewSnapshotView(id string, i Image, opts ...snapshots.Opt) NewContainer
if err != nil {
return err
}
parent, err = resolveSnapshotOptions(ctx, client, c.Snapshotter, s, parent, opts...)
if err != nil {
return err
}
if _, err := s.View(ctx, id, parent, opts...); err != nil {
if readonly {
_, err = s.View(ctx, id, parent, opts...)
} else {
_, err = s.Prepare(ctx, id, parent, opts...)
}
if err != nil {
return err
}
c.SnapshotKey = id