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support using multiple snapshotters simultaneously

Browse Source 
e.g. dist pull --snapshotter btrfs ...; ctr run --snapshotter btrfs ...
(empty string defaults for overlayfs)

Signed-off-by: Akihiro Suda <suda.akihiro@lab.ntt.co.jp>
Signed-off-by: Michael Crosby <crosbymichael@gmail.com>
This commit is contained in:
Akihiro Suda 2017-07-11 09:10:57 +00:00 committed by Michael Crosby
parent 8f1c11d862
commit b06aab713a
22 changed files with 743 additions and 255 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

155
api/services/containers/v1/containers.pb.go
View File

@ -78,6 +78,8 @@ type Container struct {
Runtime *Container_Runtime `protobuf:"bytes,4,opt,name=runtime" json:"runtime,omitempty"`
// Spec to be used when creating the container. This is runtime specific.
Spec *google_protobuf1.Any `protobuf:"bytes,5,opt,name=spec" json:"spec,omitempty"`
// Snapshotter specifies the snapshotter name used for rootfs
Snapshotter string `protobuf:"bytes,6,opt,name=snapshotter,proto3" json:"snapshotter,omitempty"`
// RootFS specifies the snapshot key to use for the container's root
// filesystem. When starting a task from this container, a caller should
// look up the mounts from the snapshot service and include those on the
@ -86,11 +88,11 @@ type Container struct {
// Snapshots referenced in this field will not be garbage collected.
//
// This field may be updated.
RootFS string `protobuf:"bytes,6,opt,name=rootfs,proto3" json:"rootfs,omitempty"`
RootFS string `protobuf:"bytes,7,opt,name=rootfs,proto3" json:"rootfs,omitempty"`
// CreatedAt is the time the container was first created.
CreatedAt time.Time `protobuf:"bytes,7,opt,name=created_at,json=createdAt,stdtime" json:"created_at"`
CreatedAt time.Time `protobuf:"bytes,8,opt,name=created_at,json=createdAt,stdtime" json:"created_at"`
// UpdatedAt is the last time the container was mutated.
UpdatedAt time.Time `protobuf:"bytes,8,opt,name=updated_at,json=updatedAt,stdtime" json:"updated_at"`
UpdatedAt time.Time `protobuf:"bytes,9,opt,name=updated_at,json=updatedAt,stdtime" json:"updated_at"`
}
func (m *Container) Reset() { *m = Container{} }
@ -487,13 +489,19 @@ func (m *Container) MarshalTo(dAtA []byte) (int, error) {
}
i += n2
}
if len(m.RootFS) > 0 {
if len(m.Snapshotter) > 0 {
dAtA[i] = 0x32
i++
i = encodeVarintContainers(dAtA, i, uint64(len(m.Snapshotter)))
i += copy(dAtA[i:], m.Snapshotter)
}
if len(m.RootFS) > 0 {
dAtA[i] = 0x3a
i++
i = encodeVarintContainers(dAtA, i, uint64(len(m.RootFS)))
i += copy(dAtA[i:], m.RootFS)
}
dAtA[i] = 0x3a
dAtA[i] = 0x42
i++
i = encodeVarintContainers(dAtA, i, uint64(github_com_gogo_protobuf_types.SizeOfStdTime(m.CreatedAt)))
n3, err := github_com_gogo_protobuf_types.StdTimeMarshalTo(m.CreatedAt, dAtA[i:])
@ -501,7 +509,7 @@ func (m *Container) MarshalTo(dAtA []byte) (int, error) {
return 0, err
}
i += n3
dAtA[i] = 0x42
dAtA[i] = 0x4a
i++
i = encodeVarintContainers(dAtA, i, uint64(github_com_gogo_protobuf_types.SizeOfStdTime(m.UpdatedAt)))
n4, err := github_com_gogo_protobuf_types.StdTimeMarshalTo(m.UpdatedAt, dAtA[i:])
@ -851,6 +859,10 @@ func (m *Container) Size() (n int) {
l = m.Spec.Size()
n += 1 + l + sovContainers(uint64(l))
}
l = len(m.Snapshotter)
if l > 0 {
n += 1 + l + sovContainers(uint64(l))
}
l = len(m.RootFS)
if l > 0 {
n += 1 + l + sovContainers(uint64(l))
@ -997,6 +1009,7 @@ func (this *Container) String() string {
`Image:` + fmt.Sprintf("%v", this.Image) + `,`,
`Runtime:` + strings.Replace(fmt.Sprintf("%v", this.Runtime), "Container_Runtime", "Container_Runtime", 1) + `,`,
`Spec:` + strings.Replace(fmt.Sprintf("%v", this.Spec), "Any", "google_protobuf1.Any", 1) + `,`,
`Snapshotter:` + fmt.Sprintf("%v", this.Snapshotter) + `,`,
`RootFS:` + fmt.Sprintf("%v", this.RootFS) + `,`,
`CreatedAt:` + strings.Replace(strings.Replace(this.CreatedAt.String(), "Timestamp", "google_protobuf4.Timestamp", 1), `&`, ``, 1) + `,`,
`UpdatedAt:` + strings.Replace(strings.Replace(this.UpdatedAt.String(), "Timestamp", "google_protobuf4.Timestamp", 1), `&`, ``, 1) + `,`,
@ -1384,6 +1397,35 @@ func (m *Container) Unmarshal(dAtA []byte) error {
}
iNdEx = postIndex
case 6:
if wireType != 2 {
return fmt.Errorf("proto: wrong wireType = %d for field Snapshotter", wireType)
}
var stringLen uint64
for shift := uint(0); ; shift += 7 {
if shift >= 64 {
return ErrIntOverflowContainers
}
if iNdEx >= l {
return io.ErrUnexpectedEOF
}
b := dAtA[iNdEx]
iNdEx++
stringLen |= (uint64(b) & 0x7F) << shift
if b < 0x80 {
break
}
}
intStringLen := int(stringLen)
if intStringLen < 0 {
return ErrInvalidLengthContainers
}
postIndex := iNdEx + intStringLen
if postIndex > l {
return io.ErrUnexpectedEOF
}
m.Snapshotter = string(dAtA[iNdEx:postIndex])
iNdEx = postIndex
case 7:
if wireType != 2 {
return fmt.Errorf("proto: wrong wireType = %d for field RootFS", wireType)
}
@ -1412,7 +1454,7 @@ func (m *Container) Unmarshal(dAtA []byte) error {
}
m.RootFS = string(dAtA[iNdEx:postIndex])
iNdEx = postIndex
case 7:
case 8:
if wireType != 2 {
return fmt.Errorf("proto: wrong wireType = %d for field CreatedAt", wireType)
}
@ -1442,7 +1484,7 @@ func (m *Container) Unmarshal(dAtA []byte) error {
return err
}
iNdEx = postIndex
case 8:
case 9:
if wireType != 2 {
return fmt.Errorf("proto: wrong wireType = %d for field UpdatedAt", wireType)
}
@ -2466,52 +2508,53 @@ func init() {
}
var fileDescriptorContainers = []byte{
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0x52, 0xca, 0x09, 0x00, 0x00,
}

9
api/services/containers/v1/containers.proto
View File

@ -65,6 +65,9 @@ message Container {
// Spec to be used when creating the container. This is runtime specific.
google.protobuf.Any spec = 5;
// Snapshotter specifies the snapshotter name used for rootfs
string snapshotter = 6;
// RootFS specifies the snapshot key to use for the container's root
// filesystem. When starting a task from this container, a caller should
// look up the mounts from the snapshot service and include those on the
@ -73,13 +76,13 @@ message Container {
// Snapshots referenced in this field will not be garbage collected.
//
// This field may be updated.
string rootfs = 6 [(gogoproto.customname) = "RootFS"];
string rootfs = 7 [(gogoproto.customname) = "RootFS"];
// CreatedAt is the time the container was first created.
google.protobuf.Timestamp created_at = 7 [(gogoproto.stdtime) = true, (gogoproto.nullable) = false];
google.protobuf.Timestamp created_at = 8 [(gogoproto.stdtime) = true, (gogoproto.nullable) = false];
// UpdatedAt is the last time the container was mutated.
google.protobuf.Timestamp updated_at = 8 [(gogoproto.stdtime) = true, (gogoproto.nullable) = false];
google.protobuf.Timestamp updated_at = 9 [(gogoproto.stdtime) = true, (gogoproto.nullable) = false];
}
message GetContainerRequest {

58
api/services/diff/v1/diff.pb.go
View File

@ -79,7 +79,7 @@ type DiffRequest struct {
MediaType string `protobuf:"bytes,3,opt,name=media_type,json=mediaType,proto3" json:"media_type,omitempty"`
// Ref identifies the pre-commit content store object. This
// reference can be used to get the status from the content store.
Ref string `protobuf:"bytes,5,opt,name=ref,proto3" json:"ref,omitempty"`
Ref string `protobuf:"bytes,4,opt,name=ref,proto3" json:"ref,omitempty"`
}
func (m *DiffRequest) Reset() { *m = DiffRequest{} }
@ -331,7 +331,7 @@ func (m *DiffRequest) MarshalTo(dAtA []byte) (int, error) {
i += copy(dAtA[i:], m.MediaType)
}
if len(m.Ref) > 0 {
dAtA[i] = 0x2a
dAtA[i] = 0x22
i++
i = encodeVarintDiff(dAtA, i, uint64(len(m.Ref)))
i += copy(dAtA[i:], m.Ref)
@ -838,7 +838,7 @@ func (m *DiffRequest) Unmarshal(dAtA []byte) error {
}
m.MediaType = string(dAtA[iNdEx:postIndex])
iNdEx = postIndex
case 5:
case 4:
if wireType != 2 {
return fmt.Errorf("proto: wrong wireType = %d for field Ref", wireType)
}
@ -1083,30 +1083,30 @@ func init() {
var fileDescriptorDiff = []byte{
// 427 bytes of a gzipped FileDescriptorProto
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}

2
api/services/diff/v1/diff.proto
View File

@ -51,7 +51,7 @@ message DiffRequest {
// Ref identifies the pre-commit content store object. This
// reference can be used to get the status from the content store.
string ref = 5;
string ref = 4;
}
message DiffResponse {

468
api/services/snapshot/v1/snapshots.pb.go
View File

@ -77,8 +77,9 @@ func (x Kind) String() string {
func (Kind) EnumDescriptor() ([]byte, []int) { return fileDescriptorSnapshots, []int{0} }
type PrepareSnapshotRequest struct {
Key string `protobuf:"bytes,1,opt,name=key,proto3" json:"key,omitempty"`
Parent string `protobuf:"bytes,2,opt,name=parent,proto3" json:"parent,omitempty"`
Snapshotter string `protobuf:"bytes,1,opt,name=snapshotter,proto3" json:"snapshotter,omitempty"`
Key string `protobuf:"bytes,2,opt,name=key,proto3" json:"key,omitempty"`
Parent string `protobuf:"bytes,3,opt,name=parent,proto3" json:"parent,omitempty"`
}
func (m *PrepareSnapshotRequest) Reset() { *m = PrepareSnapshotRequest{} }
@ -94,8 +95,9 @@ func (*PrepareSnapshotResponse) ProtoMessage() {}
func (*PrepareSnapshotResponse) Descriptor() ([]byte, []int) { return fileDescriptorSnapshots, []int{1} }
type ViewSnapshotRequest struct {
Key string `protobuf:"bytes,1,opt,name=key,proto3" json:"key,omitempty"`
Parent string `protobuf:"bytes,2,opt,name=parent,proto3" json:"parent,omitempty"`
Snapshotter string `protobuf:"bytes,1,opt,name=snapshotter,proto3" json:"snapshotter,omitempty"`
Key string `protobuf:"bytes,2,opt,name=key,proto3" json:"key,omitempty"`
Parent string `protobuf:"bytes,3,opt,name=parent,proto3" json:"parent,omitempty"`
}
func (m *ViewSnapshotRequest) Reset() { *m = ViewSnapshotRequest{} }
@ -111,7 +113,8 @@ func (*ViewSnapshotResponse) ProtoMessage() {}
func (*ViewSnapshotResponse) Descriptor() ([]byte, []int) { return fileDescriptorSnapshots, []int{3} }
type MountsRequest struct {
Key string `protobuf:"bytes,1,opt,name=key,proto3" json:"key,omitempty"`
Snapshotter string `protobuf:"bytes,1,opt,name=snapshotter,proto3" json:"snapshotter,omitempty"`
Key string `protobuf:"bytes,2,opt,name=key,proto3" json:"key,omitempty"`
}
func (m *MountsRequest) Reset() { *m = MountsRequest{} }
@ -127,7 +130,8 @@ func (*MountsResponse) ProtoMessage() {}
func (*MountsResponse) Descriptor() ([]byte, []int) { return fileDescriptorSnapshots, []int{5} }
type RemoveSnapshotRequest struct {
Key string `protobuf:"bytes,1,opt,name=key,proto3" json:"key,omitempty"`
Snapshotter string `protobuf:"bytes,1,opt,name=snapshotter,proto3" json:"snapshotter,omitempty"`
Key string `protobuf:"bytes,2,opt,name=key,proto3" json:"key,omitempty"`
}
func (m *RemoveSnapshotRequest) Reset() { *m = RemoveSnapshotRequest{} }
@ -135,8 +139,9 @@ func (*RemoveSnapshotRequest) ProtoMessage() {}
func (*RemoveSnapshotRequest) Descriptor() ([]byte, []int) { return fileDescriptorSnapshots, []int{6} }
type CommitSnapshotRequest struct {
Name string `protobuf:"bytes,1,opt,name=name,proto3" json:"name,omitempty"`
Key string `protobuf:"bytes,2,opt,name=key,proto3" json:"key,omitempty"`
Snapshotter string `protobuf:"bytes,1,opt,name=snapshotter,proto3" json:"snapshotter,omitempty"`
Name string `protobuf:"bytes,2,opt,name=name,proto3" json:"name,omitempty"`
Key string `protobuf:"bytes,3,opt,name=key,proto3" json:"key,omitempty"`
}
func (m *CommitSnapshotRequest) Reset() { *m = CommitSnapshotRequest{} }
@ -144,7 +149,8 @@ func (*CommitSnapshotRequest) ProtoMessage() {}
func (*CommitSnapshotRequest) Descriptor() ([]byte, []int) { return fileDescriptorSnapshots, []int{7} }
type StatSnapshotRequest struct {
Key string `protobuf:"bytes,1,opt,name=key,proto3" json:"key,omitempty"`
Snapshotter string `protobuf:"bytes,1,opt,name=snapshotter,proto3" json:"snapshotter,omitempty"`
Key string `protobuf:"bytes,2,opt,name=key,proto3" json:"key,omitempty"`
}
func (m *StatSnapshotRequest) Reset() { *m = StatSnapshotRequest{} }
@ -171,6 +177,7 @@ func (*StatSnapshotResponse) ProtoMessage() {}
func (*StatSnapshotResponse) Descriptor() ([]byte, []int) { return fileDescriptorSnapshots, []int{10} }
type ListSnapshotsRequest struct {
Snapshotter string `protobuf:"bytes,1,opt,name=snapshotter,proto3" json:"snapshotter,omitempty"`
}
func (m *ListSnapshotsRequest) Reset() { *m = ListSnapshotsRequest{} }
@ -186,7 +193,8 @@ func (*ListSnapshotsResponse) ProtoMessage() {}
func (*ListSnapshotsResponse) Descriptor() ([]byte, []int) { return fileDescriptorSnapshots, []int{12} }
type UsageRequest struct {
Key string `protobuf:"bytes,1,opt,name=key,proto3" json:"key,omitempty"`
Snapshotter string `protobuf:"bytes,1,opt,name=snapshotter,proto3" json:"snapshotter,omitempty"`
Key string `protobuf:"bytes,2,opt,name=key,proto3" json:"key,omitempty"`
}
func (m *UsageRequest) Reset() { *m = UsageRequest{} }
@ -567,14 +575,20 @@ func (m *PrepareSnapshotRequest) MarshalTo(dAtA []byte) (int, error) {
_ = i
var l int
_ = l
if len(m.Key) > 0 {
if len(m.Snapshotter) > 0 {
dAtA[i] = 0xa
i++
i = encodeVarintSnapshots(dAtA, i, uint64(len(m.Snapshotter)))
i += copy(dAtA[i:], m.Snapshotter)
}
if len(m.Key) > 0 {
dAtA[i] = 0x12
i++
i = encodeVarintSnapshots(dAtA, i, uint64(len(m.Key)))
i += copy(dAtA[i:], m.Key)
}
if len(m.Parent) > 0 {
dAtA[i] = 0x12
dAtA[i] = 0x1a
i++
i = encodeVarintSnapshots(dAtA, i, uint64(len(m.Parent)))
i += copy(dAtA[i:], m.Parent)
@ -627,14 +641,20 @@ func (m *ViewSnapshotRequest) MarshalTo(dAtA []byte) (int, error) {
_ = i
var l int
_ = l
if len(m.Key) > 0 {
if len(m.Snapshotter) > 0 {
dAtA[i] = 0xa
i++
i = encodeVarintSnapshots(dAtA, i, uint64(len(m.Snapshotter)))
i += copy(dAtA[i:], m.Snapshotter)
}
if len(m.Key) > 0 {
dAtA[i] = 0x12
i++
i = encodeVarintSnapshots(dAtA, i, uint64(len(m.Key)))
i += copy(dAtA[i:], m.Key)
}
if len(m.Parent) > 0 {
dAtA[i] = 0x12
dAtA[i] = 0x1a
i++
i = encodeVarintSnapshots(dAtA, i, uint64(len(m.Parent)))
i += copy(dAtA[i:], m.Parent)
@ -687,9 +707,15 @@ func (m *MountsRequest) MarshalTo(dAtA []byte) (int, error) {
_ = i
var l int
_ = l
if len(m.Key) > 0 {
if len(m.Snapshotter) > 0 {
dAtA[i] = 0xa
i++
i = encodeVarintSnapshots(dAtA, i, uint64(len(m.Snapshotter)))
i += copy(dAtA[i:], m.Snapshotter)
}
if len(m.Key) > 0 {
dAtA[i] = 0x12
i++
i = encodeVarintSnapshots(dAtA, i, uint64(len(m.Key)))
i += copy(dAtA[i:], m.Key)
}
@ -741,9 +767,15 @@ func (m *RemoveSnapshotRequest) MarshalTo(dAtA []byte) (int, error) {
_ = i
var l int
_ = l
if len(m.Key) > 0 {
if len(m.Snapshotter) > 0 {
dAtA[i] = 0xa
i++
i = encodeVarintSnapshots(dAtA, i, uint64(len(m.Snapshotter)))
i += copy(dAtA[i:], m.Snapshotter)
}
if len(m.Key) > 0 {
dAtA[i] = 0x12
i++
i = encodeVarintSnapshots(dAtA, i, uint64(len(m.Key)))
i += copy(dAtA[i:], m.Key)
}
@ -765,14 +797,20 @@ func (m *CommitSnapshotRequest) MarshalTo(dAtA []byte) (int, error) {
_ = i
var l int
_ = l
if len(m.Name) > 0 {
if len(m.Snapshotter) > 0 {
dAtA[i] = 0xa
i++
i = encodeVarintSnapshots(dAtA, i, uint64(len(m.Snapshotter)))
i += copy(dAtA[i:], m.Snapshotter)
}
if len(m.Name) > 0 {
dAtA[i] = 0x12
i++
i = encodeVarintSnapshots(dAtA, i, uint64(len(m.Name)))
i += copy(dAtA[i:], m.Name)
}
if len(m.Key) > 0 {
dAtA[i] = 0x12
dAtA[i] = 0x1a
i++
i = encodeVarintSnapshots(dAtA, i, uint64(len(m.Key)))
i += copy(dAtA[i:], m.Key)
@ -795,9 +833,15 @@ func (m *StatSnapshotRequest) MarshalTo(dAtA []byte) (int, error) {
_ = i
var l int
_ = l
if len(m.Key) > 0 {
if len(m.Snapshotter) > 0 {
dAtA[i] = 0xa
i++
i = encodeVarintSnapshots(dAtA, i, uint64(len(m.Snapshotter)))
i += copy(dAtA[i:], m.Snapshotter)
}
if len(m.Key) > 0 {
dAtA[i] = 0x12
i++
i = encodeVarintSnapshots(dAtA, i, uint64(len(m.Key)))
i += copy(dAtA[i:], m.Key)
}
@ -890,6 +934,12 @@ func (m *ListSnapshotsRequest) MarshalTo(dAtA []byte) (int, error) {
_ = i
var l int
_ = l
if len(m.Snapshotter) > 0 {
dAtA[i] = 0xa
i++
i = encodeVarintSnapshots(dAtA, i, uint64(len(m.Snapshotter)))
i += copy(dAtA[i:], m.Snapshotter)
}
return i, nil
}
@ -938,9 +988,15 @@ func (m *UsageRequest) MarshalTo(dAtA []byte) (int, error) {
_ = i
var l int
_ = l
if len(m.Key) > 0 {
if len(m.Snapshotter) > 0 {
dAtA[i] = 0xa
i++
i = encodeVarintSnapshots(dAtA, i, uint64(len(m.Snapshotter)))
i += copy(dAtA[i:], m.Snapshotter)
}
if len(m.Key) > 0 {
dAtA[i] = 0x12
i++
i = encodeVarintSnapshots(dAtA, i, uint64(len(m.Key)))
i += copy(dAtA[i:], m.Key)
}
@ -1005,6 +1061,10 @@ func encodeVarintSnapshots(dAtA []byte, offset int, v uint64) int {
func (m *PrepareSnapshotRequest) Size() (n int) {
var l int
_ = l
l = len(m.Snapshotter)
if l > 0 {
n += 1 + l + sovSnapshots(uint64(l))
}
l = len(m.Key)
if l > 0 {
n += 1 + l + sovSnapshots(uint64(l))
@ -1031,6 +1091,10 @@ func (m *PrepareSnapshotResponse) Size() (n int) {
func (m *ViewSnapshotRequest) Size() (n int) {
var l int
_ = l
l = len(m.Snapshotter)
if l > 0 {
n += 1 + l + sovSnapshots(uint64(l))
}
l = len(m.Key)
if l > 0 {
n += 1 + l + sovSnapshots(uint64(l))
@ -1057,6 +1121,10 @@ func (m *ViewSnapshotResponse) Size() (n int) {
func (m *MountsRequest) Size() (n int) {
var l int
_ = l
l = len(m.Snapshotter)
if l > 0 {
n += 1 + l + sovSnapshots(uint64(l))
}
l = len(m.Key)
if l > 0 {
n += 1 + l + sovSnapshots(uint64(l))
@ -1079,6 +1147,10 @@ func (m *MountsResponse) Size() (n int) {
func (m *RemoveSnapshotRequest) Size() (n int) {
var l int
_ = l
l = len(m.Snapshotter)
if l > 0 {
n += 1 + l + sovSnapshots(uint64(l))
}
l = len(m.Key)
if l > 0 {
n += 1 + l + sovSnapshots(uint64(l))
@ -1089,6 +1161,10 @@ func (m *RemoveSnapshotRequest) Size() (n int) {
func (m *CommitSnapshotRequest) Size() (n int) {
var l int
_ = l
l = len(m.Snapshotter)
if l > 0 {
n += 1 + l + sovSnapshots(uint64(l))
}
l = len(m.Name)
if l > 0 {
n += 1 + l + sovSnapshots(uint64(l))
@ -1103,6 +1179,10 @@ func (m *CommitSnapshotRequest) Size() (n int) {
func (m *StatSnapshotRequest) Size() (n int) {
var l int
_ = l
l = len(m.Snapshotter)
if l > 0 {
n += 1 + l + sovSnapshots(uint64(l))
}
l = len(m.Key)
if l > 0 {
n += 1 + l + sovSnapshots(uint64(l))
@ -1141,6 +1221,10 @@ func (m *StatSnapshotResponse) Size() (n int) {
func (m *ListSnapshotsRequest) Size() (n int) {
var l int
_ = l
l = len(m.Snapshotter)
if l > 0 {
n += 1 + l + sovSnapshots(uint64(l))
}
return n
}
@ -1159,6 +1243,10 @@ func (m *ListSnapshotsResponse) Size() (n int) {
func (m *UsageRequest) Size() (n int) {
var l int
_ = l
l = len(m.Snapshotter)
if l > 0 {
n += 1 + l + sovSnapshots(uint64(l))
}
l = len(m.Key)
if l > 0 {
n += 1 + l + sovSnapshots(uint64(l))
@ -1196,6 +1284,7 @@ func (this *PrepareSnapshotRequest) String() string {
return "nil"
}
s := strings.Join([]string{`&PrepareSnapshotRequest{`,
`Snapshotter:` + fmt.Sprintf("%v", this.Snapshotter) + `,`,
`Key:` + fmt.Sprintf("%v", this.Key) + `,`,
`Parent:` + fmt.Sprintf("%v", this.Parent) + `,`,
`}`,
@ -1217,6 +1306,7 @@ func (this *ViewSnapshotRequest) String() string {
return "nil"
}
s := strings.Join([]string{`&ViewSnapshotRequest{`,
`Snapshotter:` + fmt.Sprintf("%v", this.Snapshotter) + `,`,
`Key:` + fmt.Sprintf("%v", this.Key) + `,`,
`Parent:` + fmt.Sprintf("%v", this.Parent) + `,`,
`}`,
@ -1238,6 +1328,7 @@ func (this *MountsRequest) String() string {
return "nil"
}
s := strings.Join([]string{`&MountsRequest{`,
`Snapshotter:` + fmt.Sprintf("%v", this.Snapshotter) + `,`,
`Key:` + fmt.Sprintf("%v", this.Key) + `,`,
`}`,
}, "")
@ -1258,6 +1349,7 @@ func (this *RemoveSnapshotRequest) String() string {
return "nil"
}
s := strings.Join([]string{`&RemoveSnapshotRequest{`,
`Snapshotter:` + fmt.Sprintf("%v", this.Snapshotter) + `,`,
`Key:` + fmt.Sprintf("%v", this.Key) + `,`,
`}`,
}, "")
@ -1268,6 +1360,7 @@ func (this *CommitSnapshotRequest) String() string {
return "nil"
}
s := strings.Join([]string{`&CommitSnapshotRequest{`,
`Snapshotter:` + fmt.Sprintf("%v", this.Snapshotter) + `,`,
`Name:` + fmt.Sprintf("%v", this.Name) + `,`,
`Key:` + fmt.Sprintf("%v", this.Key) + `,`,
`}`,
@ -1279,6 +1372,7 @@ func (this *StatSnapshotRequest) String() string {
return "nil"
}
s := strings.Join([]string{`&StatSnapshotRequest{`,
`Snapshotter:` + fmt.Sprintf("%v", this.Snapshotter) + `,`,
`Key:` + fmt.Sprintf("%v", this.Key) + `,`,
`}`,
}, "")
@ -1312,6 +1406,7 @@ func (this *ListSnapshotsRequest) String() string {
return "nil"
}
s := strings.Join([]string{`&ListSnapshotsRequest{`,
`Snapshotter:` + fmt.Sprintf("%v", this.Snapshotter) + `,`,
`}`,
}, "")
return s
@ -1331,6 +1426,7 @@ func (this *UsageRequest) String() string {
return "nil"
}
s := strings.Join([]string{`&UsageRequest{`,
`Snapshotter:` + fmt.Sprintf("%v", this.Snapshotter) + `,`,
`Key:` + fmt.Sprintf("%v", this.Key) + `,`,
`}`,
}, "")
@ -1385,6 +1481,35 @@ func (m *PrepareSnapshotRequest) Unmarshal(dAtA []byte) error {
}
switch fieldNum {
case 1:
if wireType != 2 {
return fmt.Errorf("proto: wrong wireType = %d for field Snapshotter", wireType)
}
var stringLen uint64
for shift := uint(0); ; shift += 7 {
if shift >= 64 {
return ErrIntOverflowSnapshots
}
if iNdEx >= l {
return io.ErrUnexpectedEOF
}
b := dAtA[iNdEx]
iNdEx++
stringLen |= (uint64(b) & 0x7F) << shift
if b < 0x80 {
break
}
}
intStringLen := int(stringLen)
if intStringLen < 0 {
return ErrInvalidLengthSnapshots
}
postIndex := iNdEx + intStringLen
if postIndex > l {
return io.ErrUnexpectedEOF
}
m.Snapshotter = string(dAtA[iNdEx:postIndex])
iNdEx = postIndex
case 2:
if wireType != 2 {
return fmt.Errorf("proto: wrong wireType = %d for field Key", wireType)
}
@ -1413,7 +1538,7 @@ func (m *PrepareSnapshotRequest) Unmarshal(dAtA []byte) error {
}
m.Key = string(dAtA[iNdEx:postIndex])
iNdEx = postIndex
case 2:
case 3:
if wireType != 2 {
return fmt.Errorf("proto: wrong wireType = %d for field Parent", wireType)
}
@ -1574,6 +1699,35 @@ func (m *ViewSnapshotRequest) Unmarshal(dAtA []byte) error {
}
switch fieldNum {
case 1:
if wireType != 2 {
return fmt.Errorf("proto: wrong wireType = %d for field Snapshotter", wireType)
}
var stringLen uint64
for shift := uint(0); ; shift += 7 {
if shift >= 64 {
return ErrIntOverflowSnapshots
}
if iNdEx >= l {
return io.ErrUnexpectedEOF
}
b := dAtA[iNdEx]
iNdEx++
stringLen |= (uint64(b) & 0x7F) << shift
if b < 0x80 {
break
}
}
intStringLen := int(stringLen)
if intStringLen < 0 {
return ErrInvalidLengthSnapshots
}
postIndex := iNdEx + intStringLen
if postIndex > l {
return io.ErrUnexpectedEOF
}
m.Snapshotter = string(dAtA[iNdEx:postIndex])
iNdEx = postIndex
case 2:
if wireType != 2 {
return fmt.Errorf("proto: wrong wireType = %d for field Key", wireType)
}
@ -1602,7 +1756,7 @@ func (m *ViewSnapshotRequest) Unmarshal(dAtA []byte) error {
}
m.Key = string(dAtA[iNdEx:postIndex])
iNdEx = postIndex
case 2:
case 3:
if wireType != 2 {
return fmt.Errorf("proto: wrong wireType = %d for field Parent", wireType)
}
@ -1763,6 +1917,35 @@ func (m *MountsRequest) Unmarshal(dAtA []byte) error {
}
switch fieldNum {
case 1:
if wireType != 2 {
return fmt.Errorf("proto: wrong wireType = %d for field Snapshotter", wireType)
}
var stringLen uint64
for shift := uint(0); ; shift += 7 {
if shift >= 64 {
return ErrIntOverflowSnapshots
}
if iNdEx >= l {
return io.ErrUnexpectedEOF
}
b := dAtA[iNdEx]
iNdEx++
stringLen |= (uint64(b) & 0x7F) << shift
if b < 0x80 {
break
}
}
intStringLen := int(stringLen)
if intStringLen < 0 {
return ErrInvalidLengthSnapshots
}
postIndex := iNdEx + intStringLen
if postIndex > l {
return io.ErrUnexpectedEOF
}
m.Snapshotter = string(dAtA[iNdEx:postIndex])
iNdEx = postIndex
case 2:
if wireType != 2 {
return fmt.Errorf("proto: wrong wireType = %d for field Key", wireType)
}
@ -1923,6 +2106,35 @@ func (m *RemoveSnapshotRequest) Unmarshal(dAtA []byte) error {
}
switch fieldNum {
case 1:
if wireType != 2 {
return fmt.Errorf("proto: wrong wireType = %d for field Snapshotter", wireType)
}
var stringLen uint64
for shift := uint(0); ; shift += 7 {
if shift >= 64 {
return ErrIntOverflowSnapshots
}
if iNdEx >= l {
return io.ErrUnexpectedEOF
}
b := dAtA[iNdEx]
iNdEx++
stringLen |= (uint64(b) & 0x7F) << shift
if b < 0x80 {
break
}
}
intStringLen := int(stringLen)
if intStringLen < 0 {
return ErrInvalidLengthSnapshots
}
postIndex := iNdEx + intStringLen
if postIndex > l {
return io.ErrUnexpectedEOF
}
m.Snapshotter = string(dAtA[iNdEx:postIndex])
iNdEx = postIndex
case 2:
if wireType != 2 {
return fmt.Errorf("proto: wrong wireType = %d for field Key", wireType)
}
@ -2002,6 +2214,35 @@ func (m *CommitSnapshotRequest) Unmarshal(dAtA []byte) error {
}
switch fieldNum {
case 1:
if wireType != 2 {
return fmt.Errorf("proto: wrong wireType = %d for field Snapshotter", wireType)
}
var stringLen uint64
for shift := uint(0); ; shift += 7 {
if shift >= 64 {
return ErrIntOverflowSnapshots
}
if iNdEx >= l {
return io.ErrUnexpectedEOF
}
b := dAtA[iNdEx]
iNdEx++
stringLen |= (uint64(b) & 0x7F) << shift
if b < 0x80 {
break
}
}
intStringLen := int(stringLen)
if intStringLen < 0 {
return ErrInvalidLengthSnapshots
}
postIndex := iNdEx + intStringLen
if postIndex > l {
return io.ErrUnexpectedEOF
}
m.Snapshotter = string(dAtA[iNdEx:postIndex])
iNdEx = postIndex
case 2:
if wireType != 2 {
return fmt.Errorf("proto: wrong wireType = %d for field Name", wireType)
}
@ -2030,7 +2271,7 @@ func (m *CommitSnapshotRequest) Unmarshal(dAtA []byte) error {
}
m.Name = string(dAtA[iNdEx:postIndex])
iNdEx = postIndex
case 2:
case 3:
if wireType != 2 {
return fmt.Errorf("proto: wrong wireType = %d for field Key", wireType)
}
@ -2110,6 +2351,35 @@ func (m *StatSnapshotRequest) Unmarshal(dAtA []byte) error {
}
switch fieldNum {
case 1:
if wireType != 2 {
return fmt.Errorf("proto: wrong wireType = %d for field Snapshotter", wireType)
}
var stringLen uint64
for shift := uint(0); ; shift += 7 {
if shift >= 64 {
return ErrIntOverflowSnapshots
}
if iNdEx >= l {
return io.ErrUnexpectedEOF
}
b := dAtA[iNdEx]
iNdEx++
stringLen |= (uint64(b) & 0x7F) << shift
if b < 0x80 {
break
}
}
intStringLen := int(stringLen)
if intStringLen < 0 {
return ErrInvalidLengthSnapshots
}
postIndex := iNdEx + intStringLen
if postIndex > l {
return io.ErrUnexpectedEOF
}
m.Snapshotter = string(dAtA[iNdEx:postIndex])
iNdEx = postIndex
case 2:
if wireType != 2 {
return fmt.Errorf("proto: wrong wireType = %d for field Key", wireType)
}
@ -2415,6 +2685,35 @@ func (m *ListSnapshotsRequest) Unmarshal(dAtA []byte) error {
return fmt.Errorf("proto: ListSnapshotsRequest: illegal tag %d (wire type %d)", fieldNum, wire)
}
switch fieldNum {
case 1:
if wireType != 2 {
return fmt.Errorf("proto: wrong wireType = %d for field Snapshotter", wireType)
}
var stringLen uint64
for shift := uint(0); ; shift += 7 {
if shift >= 64 {
return ErrIntOverflowSnapshots
}
if iNdEx >= l {
return io.ErrUnexpectedEOF
}
b := dAtA[iNdEx]
iNdEx++
stringLen |= (uint64(b) & 0x7F) << shift
if b < 0x80 {
break
}
}
intStringLen := int(stringLen)
if intStringLen < 0 {
return ErrInvalidLengthSnapshots
}
postIndex := iNdEx + intStringLen
if postIndex > l {
return io.ErrUnexpectedEOF
}
m.Snapshotter = string(dAtA[iNdEx:postIndex])
iNdEx = postIndex
default:
iNdEx = preIndex
skippy, err := skipSnapshots(dAtA[iNdEx:])
@ -2547,6 +2846,35 @@ func (m *UsageRequest) Unmarshal(dAtA []byte) error {
}
switch fieldNum {
case 1:
if wireType != 2 {
return fmt.Errorf("proto: wrong wireType = %d for field Snapshotter", wireType)
}
var stringLen uint64
for shift := uint(0); ; shift += 7 {
if shift >= 64 {
return ErrIntOverflowSnapshots
}
if iNdEx >= l {
return io.ErrUnexpectedEOF
}
b := dAtA[iNdEx]
iNdEx++
stringLen |= (uint64(b) & 0x7F) << shift
if b < 0x80 {
break
}
}
intStringLen := int(stringLen)
if intStringLen < 0 {
return ErrInvalidLengthSnapshots
}
postIndex := iNdEx + intStringLen
if postIndex > l {
return io.ErrUnexpectedEOF
}
m.Snapshotter = string(dAtA[iNdEx:postIndex])
iNdEx = postIndex
case 2:
if wireType != 2 {
return fmt.Errorf("proto: wrong wireType = %d for field Key", wireType)
}
@ -2794,50 +3122,52 @@ func init() {
}
var fileDescriptorSnapshots = []byte{
// 720 bytes of a gzipped FileDescriptorProto
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// 738 bytes of a gzipped FileDescriptorProto
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0x00, 0x00,
}

32
api/services/snapshot/v1/snapshots.proto
View File

@ -21,8 +21,9 @@ service Snapshots {
}
message PrepareSnapshotRequest {
string key = 1;
string parent = 2;
string snapshotter = 1;
string key = 2;
string parent = 3;
}
message PrepareSnapshotResponse {
@ -30,8 +31,9 @@ message PrepareSnapshotResponse {
}
message ViewSnapshotRequest {
string key = 1;
string parent = 2;
string snapshotter = 1;
string key = 2;
string parent = 3;
}
message ViewSnapshotResponse {
@ -39,7 +41,8 @@ message ViewSnapshotResponse {
}
message MountsRequest {
string key = 1;
string snapshotter = 1;
string key = 2;
}
message MountsResponse {
@ -47,16 +50,19 @@ message MountsResponse {
}
message RemoveSnapshotRequest {
string key = 1;
}
message CommitSnapshotRequest {
string name = 1;
string snapshotter = 1;
string key = 2;
}
message CommitSnapshotRequest {
string snapshotter = 1;
string name = 2;
string key = 3;
}
message StatSnapshotRequest {
string key = 1;
string snapshotter = 1;
string key = 2;
}
enum Kind {
@ -80,6 +86,7 @@ message StatSnapshotResponse {
}
message ListSnapshotsRequest{
string snapshotter = 1;
}
message ListSnapshotsResponse {
@ -87,7 +94,8 @@ message ListSnapshotsResponse {
}
message UsageRequest {
string key = 1;
string snapshotter = 1;
string key = 2;
}
message UsageResponse {

30
client.go
View File

@ -166,7 +166,7 @@ func WithContainerLabels(labels map[string]string) NewContainerOpts {
func WithExistingRootFS(id string) NewContainerOpts {
return func(ctx context.Context, client *Client, c *containers.Container) error {
// check that the snapshot exists, if not, fail on creation
if _, err := client.SnapshotService().Mounts(ctx, id); err != nil {
if _, err := client.SnapshotService(c.Snapshotter).Mounts(ctx, id); err != nil {
return err
}
c.RootFS = id
@ -182,7 +182,7 @@ func WithNewRootFS(id string, i Image) NewContainerOpts {
if err != nil {
return err
}
if _, err := client.SnapshotService().Prepare(ctx, id, identity.ChainID(diffIDs).String()); err != nil {
if _, err := client.SnapshotService(c.Snapshotter).Prepare(ctx, id, identity.ChainID(diffIDs).String()); err != nil {
return err
}
c.RootFS = id
@ -199,7 +199,7 @@ func WithNewReadonlyRootFS(id string, i Image) NewContainerOpts {
if err != nil {
return err
}
if _, err := client.SnapshotService().View(ctx, id, identity.ChainID(diffIDs).String()); err != nil {
if _, err := client.SnapshotService(c.Snapshotter).View(ctx, id, identity.ChainID(diffIDs).String()); err != nil {
return err
}
c.RootFS = id
@ -219,6 +219,13 @@ func WithRuntime(name string) NewContainerOpts {
}
}
func WithSnapshotter(name string) NewContainerOpts {
return func(ctx context.Context, client *Client, c *containers.Container) error {
c.Snapshotter = name
return nil
}
}
func WithImage(i Image) NewContainerOpts {
return func(ctx context.Context, client *Client, c *containers.Container) error {
c.Image = i.Name()
@ -273,6 +280,9 @@ type RemoteContext struct {
// afterwards. Unpacking is required to run an image.
Unpack bool
// Snapshotter used for unpacking
Snapshotter string
// BaseHandlers are a set of handlers which get are called on dispatch.
// These handlers always get called before any operation specific
// handlers.
@ -300,6 +310,14 @@ func WithPullUnpack(client *Client, c *RemoteContext) error {
return nil
}
// WithPullSnapshotter specifies snapshotter name used for unpacking
func WithPullSnapshotter(snapshotterName string) RemoteOpts {
return func(client *Client, c *RemoteContext) error {
c.Snapshotter = snapshotterName
return nil
}
}
// WithSchema1Conversion is used to convert Docker registry schema 1
// manifests to oci manifests on pull. Without this option schema 1
// manifests will return a not supported error.
@ -392,7 +410,7 @@ func (c *Client) Pull(ctx context.Context, ref string, opts ...RemoteOpts) (Imag
i: imgrec,
}
if pullCtx.Unpack {
if err := img.Unpack(ctx); err != nil {
if err := img.Unpack(ctx, pullCtx.Snapshotter); err != nil {
return nil, err
}
}
@ -496,8 +514,8 @@ func (c *Client) ContentStore() content.Store {
return contentservice.NewStoreFromClient(contentapi.NewContentClient(c.conn))
}
func (c *Client) SnapshotService() snapshot.Snapshotter {
return snapshotservice.NewSnapshotterFromClient(snapshotapi.NewSnapshotsClient(c.conn))
func (c *Client) SnapshotService(snapshotterName string) snapshot.Snapshotter {
return snapshotservice.NewSnapshotterFromClient(snapshotapi.NewSnapshotsClient(c.conn), snapshotterName)
}
func (c *Client) TaskService() tasks.TasksClient {

4
cmd/ctr/run.go
View File

@ -48,7 +48,7 @@ var runCommand = cli.Command{
Name: "run",
Usage: "run a container",
ArgsUsage: "IMAGE ID [COMMAND] [ARG...]",
Flags: []cli.Flag{
Flags: append([]cli.Flag{
cli.BoolFlag{
Name: "tty,t",
Usage: "allocate a TTY for the container",
@ -86,7 +86,7 @@ var runCommand = cli.Command{
Name: "checkpoint",
Usage: "provide the checkpoint digest to restore the container",
},
},
}, snapshotterFlags...),
Action: func(context *cli.Context) error {
var (
err error

1
cmd/ctr/run_unix.go
View File

@ -106,6 +106,7 @@ func newContainer(ctx gocontext.Context, client *containerd.Client, context *cli
containerd.WithSpec(spec),
containerd.WithImage(image),
containerd.WithContainerLabels(labels),
containerd.WithSnapshotter(context.String("snapshotter")),
rootfs,
)
}

22
cmd/ctr/snapshot.go
View File

@ -19,6 +19,7 @@ import (
var snapshotCommand = cli.Command{
Name: "snapshot",
Usage: "snapshot management",
Flags: snapshotterFlags,
Subcommands: cli.Commands{
archiveSnapshotCommand,
listSnapshotCommand,
@ -79,13 +80,11 @@ var listSnapshotCommand = cli.Command{
ctx, cancel := appContext(clicontext)
defer cancel()
client, err := newClient(clicontext)
snapshotter, err := getSnapshotter(clicontext)
if err != nil {
return err
}
snapshotter := client.SnapshotService()
tw := tabwriter.NewWriter(os.Stdout, 1, 8, 1, ' ', 0)
fmt.Fprintln(tw, "ID\tParent\tState\tReadonly\t")
@ -125,11 +124,6 @@ var usageSnapshotCommand = cli.Command{
ctx, cancel := appContext(clicontext)
defer cancel()
client, err := newClient(clicontext)
if err != nil {
return err
}
var displaySize func(int64) string
if clicontext.Bool("b") {
displaySize = func(s int64) string {
@ -141,7 +135,10 @@ var usageSnapshotCommand = cli.Command{
}
}
snapshotter := client.SnapshotService()
snapshotter, err := getSnapshotter(clicontext)
if err != nil {
return err
}
tw := tabwriter.NewWriter(os.Stdout, 1, 8, 1, ' ', 0)
fmt.Fprintln(tw, "ID\tSize\tInodes\t")
@ -180,13 +177,11 @@ var removeSnapshotCommand = cli.Command{
ctx, cancel := appContext(clicontext)
defer cancel()
client, err := newClient(clicontext)
snapshotter, err := getSnapshotter(clicontext)
if err != nil {
return err
}
snapshotter := client.SnapshotService()
for _, id := range clicontext.Args() {
err = snapshotter.Remove(ctx, id)
if err != nil {
@ -219,12 +214,11 @@ var prepareSnapshotCommand = cli.Command{
logrus.Infof("preparing mounts %s", dgst.String())
client, err := newClient(clicontext)
snapshotter, err := getSnapshotter(clicontext)
if err != nil {
return err
}
snapshotter := client.SnapshotService()
mounts, err := snapshotter.Prepare(ctx, target, dgst.String())
if err != nil {
return err

9
cmd/ctr/utils.go
View File

@ -35,6 +35,13 @@ import (
"google.golang.org/grpc"
)
var snapshotterFlags = []cli.Flag{
cli.StringFlag{
Name: "snapshotter",
Usage: "Snapshotter name. Empty value stands for the daemon default value.",
},
}
var grpcConn *grpc.ClientConn
// appContext returns the context for a command. Should only be called once per
@ -111,7 +118,7 @@ func getSnapshotter(context *cli.Context) (snapshot.Snapshotter, error) {
if err != nil {
return nil, err
}
return snapshotservice.NewSnapshotterFromClient(snapshotapi.NewSnapshotsClient(conn)), nil
return snapshotservice.NewSnapshotterFromClient(snapshotapi.NewSnapshotsClient(conn), context.GlobalString("snapshotter")), nil
}
func getImageStore(clicontext *cli.Context) (images.Store, error) {

7
cmd/dist/common.go vendored
View File

@ -44,6 +44,13 @@ var registryFlags = []cli.Flag{
},
}
var snapshotterFlags = []cli.Flag{
cli.StringFlag{
Name: "snapshotter",
Usage: "Snapshotter name. Empty value stands for the daemon default value.",
},
}
func getClient(context *cli.Context) (*containerd.Client, error) {
address := context.GlobalString("address")
//timeout := context.GlobalDuration("connect-timeout")

4
cmd/dist/pull.go vendored
View File

@ -20,7 +20,7 @@ command. As part of this process, we do the following:
2. Prepare the snapshot filesystem with the pulled resources.
3. Register metadata for the image.
`,
Flags: registryFlags,
Flags: append(registryFlags, snapshotterFlags...),
Action: func(clicontext *cli.Context) error {
var (
ref = clicontext.Args().First()
@ -38,7 +38,7 @@ command. As part of this process, we do the following:
// TODO: Show unpack status
fmt.Printf("unpacking %s...", img.Target().Digest)
err = img.Unpack(ctx)
err = img.Unpack(ctx, clicontext.String("snapshotter"))
fmt.Println("done")
return err
},

4
cmd/dist/rootfs.go vendored
View File

@ -21,7 +21,7 @@ var rootfsUnpackCommand = cli.Command{
Name: "unpack",
Usage: "unpack applies layers from a manifest to a snapshot",
ArgsUsage: "[flags] <digest>",
Flags: []cli.Flag{},
Flags: snapshotterFlags,
Action: func(clicontext *cli.Context) error {
ctx, cancel := appContext(clicontext)
defer cancel()
@ -49,7 +49,7 @@ var rootfsUnpackCommand = cli.Command{
for _, image := range images {
if image.Target().Digest == dgst {
fmt.Printf("unpacking %s (%s)...", dgst, image.Target().MediaType)
if err := image.Unpack(ctx); err != nil {
if err := image.Unpack(ctx, clicontext.String("snapshotter")); err != nil {
fmt.Println()
return err
}

4
container.go
View File

@ -123,7 +123,7 @@ func (c *container) Spec() (*specs.Spec, error) {
// WithRootFSDeletion deletes the rootfs allocated for the container
func WithRootFSDeletion(ctx context.Context, client *Client, c containers.Container) error {
if c.RootFS != "" {
return client.SnapshotService().Remove(ctx, c.RootFS)
return client.SnapshotService(c.Snapshotter).Remove(ctx, c.RootFS)
}
return nil
}
@ -184,7 +184,7 @@ func (c *container) NewTask(ctx context.Context, ioCreate IOCreation, opts ...Ne
}
if c.c.RootFS != "" {
// get the rootfs from the snapshotter and add it to the request
mounts, err := c.client.SnapshotService().Mounts(ctx, c.c.RootFS)
mounts, err := c.client.SnapshotService(c.c.Snapshotter).Mounts(ctx, c.c.RootFS)
if err != nil {
return nil, err
}

4
container_unix.go
View File

@ -45,7 +45,7 @@ func WithCheckpoint(desc v1.Descriptor, rootfsID string) NewContainerOpts {
if err != nil {
return err
}
if _, err := client.SnapshotService().Prepare(ctx, rootfsID, identity.ChainID(diffIDs).String()); err != nil {
if _, err := client.SnapshotService(c.Snapshotter).Prepare(ctx, rootfsID, identity.ChainID(diffIDs).String()); err != nil {
if !errdefs.IsAlreadyExists(err) {
return err
}
@ -70,7 +70,7 @@ func WithCheckpoint(desc v1.Descriptor, rootfsID string) NewContainerOpts {
}
if rw != nil {
// apply the rw snapshot to the new rw layer
mounts, err := client.SnapshotService().Mounts(ctx, rootfsID)
mounts, err := client.SnapshotService(c.Snapshotter).Mounts(ctx, rootfsID)
if err != nil {
return err
}

17
containers/containers.go
View File

@ -12,14 +12,15 @@ import (
//
// The resources specified in this object are used to create tasks from the container.
type Container struct {
ID string
Labels map[string]string
Image string
Runtime RuntimeInfo
Spec *types.Any
RootFS string
CreatedAt time.Time
UpdatedAt time.Time
ID string
Labels map[string]string
Image string
Runtime RuntimeInfo
Spec *types.Any
RootFS string
Snapshotter string
CreatedAt time.Time
UpdatedAt time.Time
}
type RuntimeInfo struct {

6
image.go
View File

@ -15,7 +15,7 @@ type Image interface {
Name() string
Target() ocispec.Descriptor
Unpack(context.Context) error
Unpack(context.Context, string) error
}
var _ = (Image)(&image{})
@ -34,12 +34,12 @@ func (i *image) Target() ocispec.Descriptor {
return i.i.Target
}
func (i *image) Unpack(ctx context.Context) error {
func (i *image) Unpack(ctx context.Context, snapshotterName string) error {
layers, err := i.getLayers(ctx)
if err != nil {
return err
}
if _, err := rootfs.ApplyLayers(ctx, layers, i.client.SnapshotService(), i.client.DiffService()); err != nil {
if _, err := rootfs.ApplyLayers(ctx, layers, i.client.SnapshotService(snapshotterName), i.client.DiffService()); err != nil {
return err
}
return nil

18
services/containers/helpers.go
View File

@ -24,8 +24,9 @@ func containerToProto(container *containers.Container) api.Container {
Name: container.Runtime.Name,
Options: container.Runtime.Options,
},
Spec: container.Spec,
RootFS: container.RootFS,
Spec: container.Spec,
Snapshotter: container.Snapshotter,
RootFS: container.RootFS,
}
}
@ -38,11 +39,12 @@ func containerFromProto(containerpb *api.Container) containers.Container {
}
}
return containers.Container{
ID: containerpb.ID,
Labels: containerpb.Labels,
Image: containerpb.Image,
Runtime: runtime,
Spec: containerpb.Spec,
RootFS: containerpb.RootFS,
ID: containerpb.ID,
Labels: containerpb.Labels,
Image: containerpb.Image,
Runtime: runtime,
Spec: containerpb.Spec,
Snapshotter: containerpb.Snapshotter,
RootFS: containerpb.RootFS,
}
}

50
services/snapshot/client.go
View File

@ -13,18 +13,24 @@ import (
// NewSnapshotterFromClient returns a new Snapshotter which communicates
// over a GRPC connection.
func NewSnapshotterFromClient(client snapshotapi.SnapshotsClient) snapshot.Snapshotter {
func NewSnapshotterFromClient(client snapshotapi.SnapshotsClient, snapshotterName string) snapshot.Snapshotter {
return &remoteSnapshotter{
client: client,
client: client,
snapshotterName: snapshotterName,
}
}
type remoteSnapshotter struct {
client snapshotapi.SnapshotsClient
client snapshotapi.SnapshotsClient
snapshotterName string
}
func (r *remoteSnapshotter) Stat(ctx context.Context, key string) (snapshot.Info, error) {
resp, err := r.client.Stat(ctx, &snapshotapi.StatSnapshotRequest{Key: key})
resp, err := r.client.Stat(ctx,
&snapshotapi.StatSnapshotRequest{
Snapshotter: r.snapshotterName,
Key: key,
})
if err != nil {
return snapshot.Info{}, errdefs.FromGRPC(err)
}
@ -32,7 +38,10 @@ func (r *remoteSnapshotter) Stat(ctx context.Context, key string) (snapshot.Info
}
func (r *remoteSnapshotter) Usage(ctx context.Context, key string) (snapshot.Usage, error) {
resp, err := r.client.Usage(ctx, &snapshotapi.UsageRequest{Key: key})
resp, err := r.client.Usage(ctx, &snapshotapi.UsageRequest{
Snapshotter: r.snapshotterName,
Key: key,
})
if err != nil {
return snapshot.Usage{}, errdefs.FromGRPC(err)
}
@ -40,7 +49,10 @@ func (r *remoteSnapshotter) Usage(ctx context.Context, key string) (snapshot.Usa
}
func (r *remoteSnapshotter) Mounts(ctx context.Context, key string) ([]mount.Mount, error) {
resp, err := r.client.Mounts(ctx, &snapshotapi.MountsRequest{Key: key})
resp, err := r.client.Mounts(ctx, &snapshotapi.MountsRequest{
Snapshotter: r.snapshotterName,
Key: key,
})
if err != nil {
return nil, errdefs.FromGRPC(err)
}
@ -48,7 +60,11 @@ func (r *remoteSnapshotter) Mounts(ctx context.Context, key string) ([]mount.Mou
}
func (r *remoteSnapshotter) Prepare(ctx context.Context, key, parent string) ([]mount.Mount, error) {
resp, err := r.client.Prepare(ctx, &snapshotapi.PrepareSnapshotRequest{Key: key, Parent: parent})
resp, err := r.client.Prepare(ctx, &snapshotapi.PrepareSnapshotRequest{
Snapshotter: r.snapshotterName,
Key: key,
Parent: parent,
})
if err != nil {
return nil, errdefs.FromGRPC(err)
}
@ -56,7 +72,11 @@ func (r *remoteSnapshotter) Prepare(ctx context.Context, key, parent string) ([]
}
func (r *remoteSnapshotter) View(ctx context.Context, key, parent string) ([]mount.Mount, error) {
resp, err := r.client.View(ctx, &snapshotapi.ViewSnapshotRequest{Key: key, Parent: parent})
resp, err := r.client.View(ctx, &snapshotapi.ViewSnapshotRequest{
Snapshotter: r.snapshotterName,
Key: key,
Parent: parent,
})
if err != nil {
return nil, errdefs.FromGRPC(err)
}
@ -65,19 +85,25 @@ func (r *remoteSnapshotter) View(ctx context.Context, key, parent string) ([]mou
func (r *remoteSnapshotter) Commit(ctx context.Context, name, key string) error {
_, err := r.client.Commit(ctx, &snapshotapi.CommitSnapshotRequest{
Name: name,
Key: key,
Snapshotter: r.snapshotterName,
Name: name,
Key: key,
})
return errdefs.FromGRPC(err)
}
func (r *remoteSnapshotter) Remove(ctx context.Context, key string) error {
_, err := r.client.Remove(ctx, &snapshotapi.RemoveSnapshotRequest{Key: key})
_, err := r.client.Remove(ctx, &snapshotapi.RemoveSnapshotRequest{
Snapshotter: r.snapshotterName,
Key: key,
})
return errdefs.FromGRPC(err)
}
func (r *remoteSnapshotter) Walk(ctx context.Context, fn func(context.Context, snapshot.Info) error) error {
sc, err := r.client.List(ctx, &snapshotapi.ListSnapshotsRequest{})
sc, err := r.client.List(ctx, &snapshotapi.ListSnapshotsRequest{
Snapshotter: r.snapshotterName,
})
if err != nil {
errdefs.FromGRPC(err)
}

88
services/snapshot/service.go
View File

@ -43,34 +43,50 @@ func init() {
var empty = &protoempty.Empty{}
type service struct {
snapshotter snapshot.Snapshotter
emitter events.Poster
snapshotters map[string]snapshot.Snapshotter
defaultSnapshotterName string
emitter events.Poster
}
func newService(ic *plugin.InitContext) (interface{}, error) {
evts := events.GetPoster(ic.Context)
snapshotters, err := ic.GetAll(plugin.SnapshotPlugin)
rawSnapshotters, err := ic.GetAll(plugin.SnapshotPlugin)
if err != nil {
return nil, err
}
cfg := ic.Config.(*config)
sn, ok := snapshotters[cfg.Default]
if !ok {
return nil, errors.Errorf("default snapshotter not loaded: %s", cfg.Default)
}
md, err := ic.Get(plugin.MetadataPlugin)
if err != nil {
return nil, err
}
snapshotters := make(map[string]snapshot.Snapshotter)
for name, sn := range rawSnapshotters {
snapshotters[name] = metadata.NewSnapshotter(md.(*bolt.DB), name, sn.(snapshot.Snapshotter))
}
cfg := ic.Config.(*config)
_, ok := snapshotters[cfg.Default]
if !ok {
return nil, errors.Errorf("default snapshotter not loaded: %s", cfg.Default)
}
return &service{
snapshotter: metadata.NewSnapshotter(md.(*bolt.DB), cfg.Default, sn.(snapshot.Snapshotter)),
emitter: evts,
snapshotters: snapshotters,
defaultSnapshotterName: cfg.Default,
emitter: evts,
}, nil
}
func (s *service) getSnapshotter(name string) (snapshot.Snapshotter, error) {
if name == "" {
name = s.defaultSnapshotterName
}
sn, ok := s.snapshotters[name]
if !ok {
return nil, errors.Errorf("snapshotter not loaded: %s", name)
}
return sn, nil
}
func (s *service) Register(gs *grpc.Server) error {
snapshotapi.RegisterSnapshotsServer(gs, s)
return nil
@ -78,9 +94,13 @@ func (s *service) Register(gs *grpc.Server) error {
func (s *service) Prepare(ctx context.Context, pr *snapshotapi.PrepareSnapshotRequest) (*snapshotapi.PrepareSnapshotResponse, error) {
log.G(ctx).WithField("parent", pr.Parent).WithField("key", pr.Key).Debugf("Preparing snapshot")
sn, err := s.getSnapshotter(pr.Snapshotter)
if err != nil {
return nil, err
}
// TODO: Apply namespace
// TODO: Lookup snapshot id from metadata store
mounts, err := s.snapshotter.Prepare(ctx, pr.Key, pr.Parent)
mounts, err := sn.Prepare(ctx, pr.Key, pr.Parent)
if err != nil {
return nil, errdefs.ToGRPC(err)
}
@ -98,9 +118,13 @@ func (s *service) Prepare(ctx context.Context, pr *snapshotapi.PrepareSnapshotRe
func (s *service) View(ctx context.Context, pr *snapshotapi.ViewSnapshotRequest) (*snapshotapi.ViewSnapshotResponse, error) {
log.G(ctx).WithField("parent", pr.Parent).WithField("key", pr.Key).Debugf("Preparing view snapshot")
sn, err := s.getSnapshotter(pr.Snapshotter)
if err != nil {
return nil, err
}
// TODO: Apply namespace
// TODO: Lookup snapshot id from metadata store
mounts, err := s.snapshotter.View(ctx, pr.Key, pr.Parent)
mounts, err := sn.View(ctx, pr.Key, pr.Parent)
if err != nil {
return nil, errdefs.ToGRPC(err)
}
@ -111,9 +135,13 @@ func (s *service) View(ctx context.Context, pr *snapshotapi.ViewSnapshotRequest)
func (s *service) Mounts(ctx context.Context, mr *snapshotapi.MountsRequest) (*snapshotapi.MountsResponse, error) {
log.G(ctx).WithField("key", mr.Key).Debugf("Getting snapshot mounts")
sn, err := s.getSnapshotter(mr.Snapshotter)
if err != nil {
return nil, err
}
// TODO: Apply namespace
// TODO: Lookup snapshot id from metadata store
mounts, err := s.snapshotter.Mounts(ctx, mr.Key)
mounts, err := sn.Mounts(ctx, mr.Key)
if err != nil {
return nil, errdefs.ToGRPC(err)
}
@ -124,9 +152,13 @@ func (s *service) Mounts(ctx context.Context, mr *snapshotapi.MountsRequest) (*s
func (s *service) Commit(ctx context.Context, cr *snapshotapi.CommitSnapshotRequest) (*protoempty.Empty, error) {
log.G(ctx).WithField("key", cr.Key).WithField("name", cr.Name).Debugf("Committing snapshot")
sn, err := s.getSnapshotter(cr.Snapshotter)
if err != nil {
return nil, err
}
// TODO: Apply namespace
// TODO: Lookup snapshot id from metadata store
if err := s.snapshotter.Commit(ctx, cr.Name, cr.Key); err != nil {
if err := sn.Commit(ctx, cr.Name, cr.Key); err != nil {
return nil, errdefs.ToGRPC(err)
}
@ -141,9 +173,13 @@ func (s *service) Commit(ctx context.Context, cr *snapshotapi.CommitSnapshotRequ
func (s *service) Remove(ctx context.Context, rr *snapshotapi.RemoveSnapshotRequest) (*protoempty.Empty, error) {
log.G(ctx).WithField("key", rr.Key).Debugf("Removing snapshot")
sn, err := s.getSnapshotter(rr.Snapshotter)
if err != nil {
return nil, err
}
// TODO: Apply namespace
// TODO: Lookup snapshot id from metadata store
if err := s.snapshotter.Remove(ctx, rr.Key); err != nil {
if err := sn.Remove(ctx, rr.Key); err != nil {
return nil, errdefs.ToGRPC(err)
}
@ -157,8 +193,12 @@ func (s *service) Remove(ctx context.Context, rr *snapshotapi.RemoveSnapshotRequ
func (s *service) Stat(ctx context.Context, sr *snapshotapi.StatSnapshotRequest) (*snapshotapi.StatSnapshotResponse, error) {
log.G(ctx).WithField("key", sr.Key).Debugf("Statting snapshot")
sn, err := s.getSnapshotter(sr.Snapshotter)
if err != nil {
return nil, err
}
// TODO: Apply namespace
info, err := s.snapshotter.Stat(ctx, sr.Key)
info, err := sn.Stat(ctx, sr.Key)
if err != nil {
return nil, errdefs.ToGRPC(err)
}
@ -167,6 +207,10 @@ func (s *service) Stat(ctx context.Context, sr *snapshotapi.StatSnapshotRequest)
}
func (s *service) List(sr *snapshotapi.ListSnapshotsRequest, ss snapshotapi.Snapshots_ListServer) error {
sn, err := s.getSnapshotter(sr.Snapshotter)
if err != nil {
return err
}
// TODO: Apply namespace
var (
buffer []snapshotapi.Info
@ -176,7 +220,7 @@ func (s *service) List(sr *snapshotapi.ListSnapshotsRequest, ss snapshotapi.Snap
})
}
)
err := s.snapshotter.Walk(ss.Context(), func(ctx gocontext.Context, info snapshot.Info) error {
err = sn.Walk(ss.Context(), func(ctx gocontext.Context, info snapshot.Info) error {
buffer = append(buffer, fromInfo(info))
if len(buffer) >= 100 {
@ -203,8 +247,12 @@ func (s *service) List(sr *snapshotapi.ListSnapshotsRequest, ss snapshotapi.Snap
}
func (s *service) Usage(ctx context.Context, ur *snapshotapi.UsageRequest) (*snapshotapi.UsageResponse, error) {
sn, err := s.getSnapshotter(ur.Snapshotter)
if err != nil {
return nil, err
}
// TODO: Apply namespace
usage, err := s.snapshotter.Usage(ctx, ur.Key)
usage, err := sn.Usage(ctx, ur.Key)
if err != nil {
return nil, errdefs.ToGRPC(err)
}

6
task.go
View File

@ -260,7 +260,7 @@ func (t *task) Checkpoint(ctx context.Context, opts ...CheckpointOpts) (d v1.Des
if err := t.checkpointImage(ctx, &index, cr.Container.Image); err != nil {
return d, err
}
if err := t.checkpointRWSnapshot(ctx, &index, cr.Container.RootFS); err != nil {
if err := t.checkpointRWSnapshot(ctx, &index, cr.Container.Snapshotter, cr.Container.RootFS); err != nil {
return d, err
}
index.Annotations = make(map[string]string)
@ -303,8 +303,8 @@ func (t *task) checkpointTask(ctx context.Context, index *v1.Index, request *tas
return nil
}
func (t *task) checkpointRWSnapshot(ctx context.Context, index *v1.Index, id string) error {
rw, err := rootfs.Diff(ctx, id, fmt.Sprintf("checkpoint-rw-%s", id), t.client.SnapshotService(), t.client.DiffService())
func (t *task) checkpointRWSnapshot(ctx context.Context, index *v1.Index, snapshotterName string, id string) error {
rw, err := rootfs.Diff(ctx, id, fmt.Sprintf("checkpoint-rw-%s", id), t.client.SnapshotService(snapshotterName), t.client.DiffService())
if err != nil {
return err
}