Add checkpoint and restore

Signed-off-by: Michael Crosby <crosbymichael@gmail.com>

Update go-runc to 49b2a02ec1ed3e4ae52d30b54a291b75

Signed-off-by: Michael Crosby <crosbymichael@gmail.com>

Add shim to restore creation

Signed-off-by: Michael Crosby <crosbymichael@gmail.com>

Keep checkpoint path in service

Signed-off-by: Michael Crosby <crosbymichael@gmail.com>

Add C/R to non-shim build

Signed-off-by: Michael Crosby <crosbymichael@gmail.com>

Checkpoint rw and image

Signed-off-by: Michael Crosby <crosbymichael@gmail.com>

Pause container on bind checkpoints

Signed-off-by: Michael Crosby <crosbymichael@gmail.com>

Return dump.log in error on checkpoint failure

Signed-off-by: Michael Crosby <crosbymichael@gmail.com>

Pause container for checkpoint

Signed-off-by: Michael Crosby <crosbymichael@gmail.com>

Update runc to 639454475cb9c8b861cc599f8bcd5c8c790ae402

For checkpoint into to work you need runc version
639454475cb9c8b861cc599f8bcd5c8c790ae402 + and criu 3.0 as this is what
I have been testing with.

Signed-off-by: Michael Crosby <crosbymichael@gmail.com>

Move restore behind create calls

This remove the restore RPCs in favor of providing the checkpoint
information to the `Create` calls of a container.  If provided, the
container will be created/restored from the checkpoint instead of an
existing container.

Signed-off-by: Michael Crosby <crosbymichael@gmail.com>

Regen protos after rebase

Signed-off-by: Michael Crosby <crosbymichael@gmail.com>

plugin/container.go

@@ -5,6 +5,7 @@ import "context"
 type ContainerInfo struct {
 	ID      string
 	Runtime string
+	Spec    []byte
 }
 
 type Container interface {
@@ -28,6 +29,18 @@ type Container interface {
 	Pty(context.Context, uint32, ConsoleSize) error
 	// CloseStdin closes the processes stdin
 	CloseStdin(context.Context, uint32) error
+	// Checkpoint checkpoints a container to an image with live system data
+	Checkpoint(context.Context, CheckpointOpts) error
+}
+
+type CheckpointOpts struct {
+	Exit             bool
+	AllowTCP         bool
+	AllowUnixSockets bool
+	AllowTerminal    bool
+	FileLocks        bool
+	EmptyNamespaces  []string
+	Path             string
 }
 
 type ExecOpts struct {