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>

services/execution/collector.go

@@ -3,7 +3,6 @@ package execution
 import (
 	"sync"
 
-	"github.com/containerd/containerd"
 	"github.com/containerd/containerd/plugin"
 
 	"golang.org/x/net/context"
@@ -12,7 +11,7 @@ import (
 func newCollector(ctx context.Context, runtimes map[string]plugin.Runtime) (*collector, error) {
 	c := &collector{
 		context:      ctx,
-		ch:           make(chan *containerd.Event, 2048),
+		ch:           make(chan *plugin.Event, 2048),
 		eventClients: make(map[*eventClient]struct{}),
 	}
 	for _, r := range runtimes {
@@ -38,7 +37,7 @@ type collector struct {
 	wg sync.WaitGroup
 
 	context      context.Context
-	ch           chan *containerd.Event
+	ch           chan *plugin.Event
 	eventClients map[*eventClient]struct{}
 }