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Create checkpointed image in client

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Allow a user provided name for the checkpoint as well as a default
generated name for the checkpoint image.

Signed-off-by: Michael Crosby <crosbymichael@gmail.com>
This commit is contained in:
Michael Crosby
2017-10-17 12:05:11 -04:00
parent a19fd6ed6e
commit e201be5196
8 changed files with 73 additions and 59 deletions
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12
container_opts_unix.go
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@@ -24,11 +24,14 @@ import (
// WithCheckpoint allows a container to be created from the checkpointed information
// provided by the descriptor. The image, snapshot, and runtime specifications are
// restored on the container
func WithCheckpoint(desc v1.Descriptor, snapshotKey string) NewContainerOpts {
func WithCheckpoint(im Image, snapshotKey string) NewContainerOpts {
// set image and rw, and spec
return func(ctx context.Context, client *Client, c *containers.Container) error {
id := desc.Digest
store := client.ContentStore()
var (
desc = im.Target()
id = desc.Digest
store = client.ContentStore()
)
index, err := decodeIndex(ctx, store, id)
if err != nil {
return err
@@ -85,8 +88,9 @@ func WithCheckpoint(desc v1.Descriptor, snapshotKey string) NewContainerOpts {
// WithTaskCheckpoint allows a task to be created with live runtime and memory data from a
// previous checkpoint. Additional software such as CRIU may be required to
// restore a task from a checkpoint
func WithTaskCheckpoint(desc v1.Descriptor) NewTaskOpts {
func WithTaskCheckpoint(im Image) NewTaskOpts {
return func(ctx context.Context, c *Client, info *TaskInfo) error {
desc := im.Target()
id := desc.Digest
index, err := decodeIndex(ctx, c.ContentStore(), id)
if err != nil {