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Add checkpoint and restore

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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>
This commit is contained in:
Michael Crosby
2017-05-12 10:18:00 -07:00
parent 5ee77fc281
commit 7cc1b64bd8
31 changed files with 2153 additions and 406 deletions
Download Patch File Download Diff File Expand all files Collapse all files

34
cmd/ctr/run_unix.go
View File

@@ -18,7 +18,10 @@ import (
"github.com/Sirupsen/logrus"
"github.com/containerd/console"
"github.com/containerd/containerd"
"github.com/containerd/containerd/api/services/execution"
"github.com/containerd/containerd/api/types/descriptor"
"github.com/containerd/containerd/api/types/mount"
protobuf "github.com/gogo/protobuf/types"
ocispec "github.com/opencontainers/image-spec/specs-go/v1"
specs "github.com/opencontainers/runtime-spec/specs-go"
@@ -254,20 +257,24 @@ func getConfig(context *cli.Context, imageConfig *ocispec.ImageConfig, rootfs st
return customSpec(config, rootfs)
}
func newCreateRequest(context *cli.Context, imageConfig *ocispec.ImageConfig, id, tmpDir string, rootfs string) (*execution.CreateRequest, error) {
s, err := getConfig(context, imageConfig, rootfs)
func newSpec(context *cli.Context, config *ocispec.ImageConfig, imageRef string) ([]byte, error) {
s, err := getConfig(context, config, context.String("rootfs"))
if err != nil {
return nil, err
}
data, err := json.Marshal(s)
if err != nil {
return nil, err
if s.Annotations == nil {
s.Annotations = make(map[string]string)
}
s.Annotations["image"] = imageRef
return json.Marshal(s)
}
func newCreateRequest(context *cli.Context, id, tmpDir string, checkpoint *ocispec.Descriptor, mounts []containerd.Mount, spec []byte) (*execution.CreateRequest, error) {
create := &execution.CreateRequest{
ID: id,
Spec: &protobuf.Any{
TypeUrl: specs.Version,
Value: data,
Value: spec,
},
Runtime: context.String("runtime"),
Terminal: context.Bool("tty"),
@@ -275,7 +282,20 @@ func newCreateRequest(context *cli.Context, imageConfig *ocispec.ImageConfig, id
Stdout: filepath.Join(tmpDir, "stdout"),
Stderr: filepath.Join(tmpDir, "stderr"),
}
if checkpoint != nil {
create.Checkpoint = &descriptor.Descriptor{
MediaType: checkpoint.MediaType,
Size_: checkpoint.Size,
Digest: checkpoint.Digest,
}
}
for _, m := range mounts {
create.Rootfs = append(create.Rootfs, &mount.Mount{
Type: m.Type,
Source: m.Source,
Options: m.Options,
})
}
return create, nil
}