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Support for ingest namespacing

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Move content status to list statuses and add single status
to interface.
Updates API to support list statuses and status
Updates snapshot key creation to be generic

Signed-off-by: Derek McGowan <derek@mcgstyle.net>
This commit is contained in:
Derek McGowan 2017-06-29 15:29:41 -07:00
parent 2c9004d431
commit b6d58f63a8
No known key found for this signature in database
GPG Key ID: F58C5D0A4405ACDB
12 changed files with 649 additions and 168 deletions
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475
api/services/content/v1/content.pb.go
View File

@ -20,6 +20,8 @@
Status
StatusRequest
StatusResponse
ListStatusesRequest
ListStatusesResponse
WriteContentRequest
WriteContentResponse
AbortRequest
@ -195,7 +197,7 @@ func (*Status) ProtoMessage() {}
func (*Status) Descriptor() ([]byte, []int) { return fileDescriptorContent, []int{8} }
type StatusRequest struct {
Filter string `protobuf:"bytes,1,opt,name=filter,proto3" json:"filter,omitempty"`
Ref string `protobuf:"bytes,1,opt,name=ref,proto3" json:"ref,omitempty"`
}
func (m *StatusRequest) Reset() { *m = StatusRequest{} }
@ -203,13 +205,29 @@ func (*StatusRequest) ProtoMessage() {}
func (*StatusRequest) Descriptor() ([]byte, []int) { return fileDescriptorContent, []int{9} }
type StatusResponse struct {
Statuses []Status `protobuf:"bytes,1,rep,name=statuses" json:"statuses"`
Status *Status `protobuf:"bytes,1,opt,name=status" json:"status,omitempty"`
}
func (m *StatusResponse) Reset() { *m = StatusResponse{} }
func (*StatusResponse) ProtoMessage() {}
func (*StatusResponse) Descriptor() ([]byte, []int) { return fileDescriptorContent, []int{10} }
type ListStatusesRequest struct {
Filter string `protobuf:"bytes,1,opt,name=filter,proto3" json:"filter,omitempty"`
}
func (m *ListStatusesRequest) Reset() { *m = ListStatusesRequest{} }
func (*ListStatusesRequest) ProtoMessage() {}
func (*ListStatusesRequest) Descriptor() ([]byte, []int) { return fileDescriptorContent, []int{11} }
type ListStatusesResponse struct {
Statuses []Status `protobuf:"bytes,1,rep,name=statuses" json:"statuses"`
}
func (m *ListStatusesResponse) Reset() { *m = ListStatusesResponse{} }
func (*ListStatusesResponse) ProtoMessage() {}
func (*ListStatusesResponse) Descriptor() ([]byte, []int) { return fileDescriptorContent, []int{12} }
// WriteContentRequest writes data to the request ref at offset.
type WriteContentRequest struct {
// Action sets the behavior of the write.
@ -265,7 +283,7 @@ type WriteContentRequest struct {
func (m *WriteContentRequest) Reset() { *m = WriteContentRequest{} }
func (*WriteContentRequest) ProtoMessage() {}
func (*WriteContentRequest) Descriptor() ([]byte, []int) { return fileDescriptorContent, []int{11} }
func (*WriteContentRequest) Descriptor() ([]byte, []int) { return fileDescriptorContent, []int{13} }
// WriteContentResponse is returned on the culmination of a write call.
type WriteContentResponse struct {
@ -299,7 +317,7 @@ type WriteContentResponse struct {
func (m *WriteContentResponse) Reset() { *m = WriteContentResponse{} }
func (*WriteContentResponse) ProtoMessage() {}
func (*WriteContentResponse) Descriptor() ([]byte, []int) { return fileDescriptorContent, []int{12} }
func (*WriteContentResponse) Descriptor() ([]byte, []int) { return fileDescriptorContent, []int{14} }
type AbortRequest struct {
Ref string `protobuf:"bytes,1,opt,name=ref,proto3" json:"ref,omitempty"`
@ -307,7 +325,7 @@ type AbortRequest struct {
func (m *AbortRequest) Reset() { *m = AbortRequest{} }
func (*AbortRequest) ProtoMessage() {}
func (*AbortRequest) Descriptor() ([]byte, []int) { return fileDescriptorContent, []int{13} }
func (*AbortRequest) Descriptor() ([]byte, []int) { return fileDescriptorContent, []int{15} }
func init() {
proto.RegisterType((*Info)(nil), "containerd.services.content.v1.Info")
@ -321,6 +339,8 @@ func init() {
proto.RegisterType((*Status)(nil), "containerd.services.content.v1.Status")
proto.RegisterType((*StatusRequest)(nil), "containerd.services.content.v1.StatusRequest")
proto.RegisterType((*StatusResponse)(nil), "containerd.services.content.v1.StatusResponse")
proto.RegisterType((*ListStatusesRequest)(nil), "containerd.services.content.v1.ListStatusesRequest")
proto.RegisterType((*ListStatusesResponse)(nil), "containerd.services.content.v1.ListStatusesResponse")
proto.RegisterType((*WriteContentRequest)(nil), "containerd.services.content.v1.WriteContentRequest")
proto.RegisterType((*WriteContentResponse)(nil), "containerd.services.content.v1.WriteContentResponse")
proto.RegisterType((*AbortRequest)(nil), "containerd.services.content.v1.AbortRequest")
@ -356,13 +376,15 @@ type ContentClient interface {
//
// The requested data may be returned in one or more messages.
Read(ctx context.Context, in *ReadContentRequest, opts ...grpc.CallOption) (Content_ReadClient, error)
// Status returns the status of ongoing object ingestions, started via
// Status returns the status for a single reference.
Status(ctx context.Context, in *StatusRequest, opts ...grpc.CallOption) (*StatusResponse, error)
// ListStatuses returns the status of ongoing object ingestions, started via
// Write.
//
// Only those matching the regular expression will be provided in the
// response. If the provided regular expression is empty, all ingestions
// will be provided.
Status(ctx context.Context, in *StatusRequest, opts ...grpc.CallOption) (*StatusResponse, error)
ListStatuses(ctx context.Context, in *ListStatusesRequest, opts ...grpc.CallOption) (*ListStatusesResponse, error)
// Write begins or resumes writes to a resource identified by a unique ref.
// Only one active stream may exist at a time for each ref.
//
@ -484,6 +506,15 @@ func (c *contentClient) Status(ctx context.Context, in *StatusRequest, opts ...g
return out, nil
}
func (c *contentClient) ListStatuses(ctx context.Context, in *ListStatusesRequest, opts ...grpc.CallOption) (*ListStatusesResponse, error) {
out := new(ListStatusesResponse)
err := grpc.Invoke(ctx, "/containerd.services.content.v1.Content/ListStatuses", in, out, c.cc, opts...)
if err != nil {
return nil, err
}
return out, nil
}
func (c *contentClient) Write(ctx context.Context, opts ...grpc.CallOption) (Content_WriteClient, error) {
stream, err := grpc.NewClientStream(ctx, &_Content_serviceDesc.Streams[2], c.cc, "/containerd.services.content.v1.Content/Write", opts...)
if err != nil {
@ -545,13 +576,15 @@ type ContentServer interface {
//
// The requested data may be returned in one or more messages.
Read(*ReadContentRequest, Content_ReadServer) error
// Status returns the status of ongoing object ingestions, started via
// Status returns the status for a single reference.
Status(context.Context, *StatusRequest) (*StatusResponse, error)
// ListStatuses returns the status of ongoing object ingestions, started via
// Write.
//
// Only those matching the regular expression will be provided in the
// response. If the provided regular expression is empty, all ingestions
// will be provided.
Status(context.Context, *StatusRequest) (*StatusResponse, error)
ListStatuses(context.Context, *ListStatusesRequest) (*ListStatusesResponse, error)
// Write begins or resumes writes to a resource identified by a unique ref.
// Only one active stream may exist at a time for each ref.
//
@ -674,6 +707,24 @@ func _Content_Status_Handler(srv interface{}, ctx context.Context, dec func(inte
return interceptor(ctx, in, info, handler)
}
func _Content_ListStatuses_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
in := new(ListStatusesRequest)
if err := dec(in); err != nil {
return nil, err
}
if interceptor == nil {
return srv.(ContentServer).ListStatuses(ctx, in)
}
info := &grpc.UnaryServerInfo{
Server: srv,
FullMethod: "/containerd.services.content.v1.Content/ListStatuses",
}
handler := func(ctx context.Context, req interface{}) (interface{}, error) {
return srv.(ContentServer).ListStatuses(ctx, req.(*ListStatusesRequest))
}
return interceptor(ctx, in, info, handler)
}
func _Content_Write_Handler(srv interface{}, stream grpc.ServerStream) error {
return srv.(ContentServer).Write(&contentWriteServer{stream})
}
@ -734,6 +785,10 @@ var _Content_serviceDesc = grpc.ServiceDesc{
MethodName: "Status",
Handler: _Content_Status_Handler,
},
{
MethodName: "ListStatuses",
Handler: _Content_ListStatuses_Handler,
},
{
MethodName: "Abort",
Handler: _Content_Abort_Handler,
@ -1053,11 +1108,11 @@ func (m *StatusRequest) MarshalTo(dAtA []byte) (int, error) {
_ = i
var l int
_ = l
if len(m.Filter) > 0 {
if len(m.Ref) > 0 {
dAtA[i] = 0xa
i++
i = encodeVarintContent(dAtA, i, uint64(len(m.Filter)))
i += copy(dAtA[i:], m.Filter)
i = encodeVarintContent(dAtA, i, uint64(len(m.Ref)))
i += copy(dAtA[i:], m.Ref)
}
return i, nil
}
@ -1073,6 +1128,58 @@ func (m *StatusResponse) Marshal() (dAtA []byte, err error) {
}
func (m *StatusResponse) MarshalTo(dAtA []byte) (int, error) {
var i int
_ = i
var l int
_ = l
if m.Status != nil {
dAtA[i] = 0xa
i++
i = encodeVarintContent(dAtA, i, uint64(m.Status.Size()))
n5, err := m.Status.MarshalTo(dAtA[i:])
if err != nil {
return 0, err
}
i += n5
}
return i, nil
}
func (m *ListStatusesRequest) Marshal() (dAtA []byte, err error) {
size := m.Size()
dAtA = make([]byte, size)
n, err := m.MarshalTo(dAtA)
if err != nil {
return nil, err
}
return dAtA[:n], nil
}
func (m *ListStatusesRequest) MarshalTo(dAtA []byte) (int, error) {
var i int
_ = i
var l int
_ = l
if len(m.Filter) > 0 {
dAtA[i] = 0xa
i++
i = encodeVarintContent(dAtA, i, uint64(len(m.Filter)))
i += copy(dAtA[i:], m.Filter)
}
return i, nil
}
func (m *ListStatusesResponse) Marshal() (dAtA []byte, err error) {
size := m.Size()
dAtA = make([]byte, size)
n, err := m.MarshalTo(dAtA)
if err != nil {
return nil, err
}
return dAtA[:n], nil
}
func (m *ListStatusesResponse) MarshalTo(dAtA []byte) (int, error) {
var i int
_ = i
var l int
@ -1166,19 +1273,19 @@ func (m *WriteContentResponse) MarshalTo(dAtA []byte) (int, error) {
dAtA[i] = 0x12
i++
i = encodeVarintContent(dAtA, i, uint64(github_com_gogo_protobuf_types.SizeOfStdTime(m.StartedAt)))
n5, err := github_com_gogo_protobuf_types.StdTimeMarshalTo(m.StartedAt, dAtA[i:])
if err != nil {
return 0, err
}
i += n5
dAtA[i] = 0x1a
i++
i = encodeVarintContent(dAtA, i, uint64(github_com_gogo_protobuf_types.SizeOfStdTime(m.UpdatedAt)))
n6, err := github_com_gogo_protobuf_types.StdTimeMarshalTo(m.UpdatedAt, dAtA[i:])
n6, err := github_com_gogo_protobuf_types.StdTimeMarshalTo(m.StartedAt, dAtA[i:])
if err != nil {
return 0, err
}
i += n6
dAtA[i] = 0x1a
i++
i = encodeVarintContent(dAtA, i, uint64(github_com_gogo_protobuf_types.SizeOfStdTime(m.UpdatedAt)))
n7, err := github_com_gogo_protobuf_types.StdTimeMarshalTo(m.UpdatedAt, dAtA[i:])
if err != nil {
return 0, err
}
i += n7
if m.Offset != 0 {
dAtA[i] = 0x20
i++
@ -1366,7 +1473,7 @@ func (m *Status) Size() (n int) {
func (m *StatusRequest) Size() (n int) {
var l int
_ = l
l = len(m.Filter)
l = len(m.Ref)
if l > 0 {
n += 1 + l + sovContent(uint64(l))
}
@ -1374,6 +1481,26 @@ func (m *StatusRequest) Size() (n int) {
}
func (m *StatusResponse) Size() (n int) {
var l int
_ = l
if m.Status != nil {
l = m.Status.Size()
n += 1 + l + sovContent(uint64(l))
}
return n
}
func (m *ListStatusesRequest) Size() (n int) {
var l int
_ = l
l = len(m.Filter)
if l > 0 {
n += 1 + l + sovContent(uint64(l))
}
return n
}
func (m *ListStatusesResponse) Size() (n int) {
var l int
_ = l
if len(m.Statuses) > 0 {
@ -1562,7 +1689,7 @@ func (this *StatusRequest) String() string {
return "nil"
}
s := strings.Join([]string{`&StatusRequest{`,
`Filter:` + fmt.Sprintf("%v", this.Filter) + `,`,
`Ref:` + fmt.Sprintf("%v", this.Ref) + `,`,
`}`,
}, "")
return s
@ -1572,6 +1699,26 @@ func (this *StatusResponse) String() string {
return "nil"
}
s := strings.Join([]string{`&StatusResponse{`,
`Status:` + strings.Replace(fmt.Sprintf("%v", this.Status), "Status", "Status", 1) + `,`,
`}`,
}, "")
return s
}
func (this *ListStatusesRequest) String() string {
if this == nil {
return "nil"
}
s := strings.Join([]string{`&ListStatusesRequest{`,
`Filter:` + fmt.Sprintf("%v", this.Filter) + `,`,
`}`,
}, "")
return s
}
func (this *ListStatusesResponse) String() string {
if this == nil {
return "nil"
}
s := strings.Join([]string{`&ListStatusesResponse{`,
`Statuses:` + strings.Replace(strings.Replace(fmt.Sprintf("%v", this.Statuses), "Status", "Status", 1), `&`, ``, 1) + `,`,
`}`,
}, "")
@ -2576,7 +2723,7 @@ func (m *StatusRequest) Unmarshal(dAtA []byte) error {
switch fieldNum {
case 1:
if wireType != 2 {
return fmt.Errorf("proto: wrong wireType = %d for field Filter", wireType)
return fmt.Errorf("proto: wrong wireType = %d for field Ref", wireType)
}
var stringLen uint64
for shift := uint(0); ; shift += 7 {
@ -2601,7 +2748,7 @@ func (m *StatusRequest) Unmarshal(dAtA []byte) error {
if postIndex > l {
return io.ErrUnexpectedEOF
}
m.Filter = string(dAtA[iNdEx:postIndex])
m.Ref = string(dAtA[iNdEx:postIndex])
iNdEx = postIndex
default:
iNdEx = preIndex
@ -2653,6 +2800,168 @@ func (m *StatusResponse) Unmarshal(dAtA []byte) error {
return fmt.Errorf("proto: StatusResponse: illegal tag %d (wire type %d)", fieldNum, wire)
}
switch fieldNum {
case 1:
if wireType != 2 {
return fmt.Errorf("proto: wrong wireType = %d for field Status", wireType)
}
var msglen int
for shift := uint(0); ; shift += 7 {
if shift >= 64 {
return ErrIntOverflowContent
}
if iNdEx >= l {
return io.ErrUnexpectedEOF
}
b := dAtA[iNdEx]
iNdEx++
msglen |= (int(b) & 0x7F) << shift
if b < 0x80 {
break
}
}
if msglen < 0 {
return ErrInvalidLengthContent
}
postIndex := iNdEx + msglen
if postIndex > l {
return io.ErrUnexpectedEOF
}
if m.Status == nil {
m.Status = &Status{}
}
if err := m.Status.Unmarshal(dAtA[iNdEx:postIndex]); err != nil {
return err
}
iNdEx = postIndex
default:
iNdEx = preIndex
skippy, err := skipContent(dAtA[iNdEx:])
if err != nil {
return err
}
if skippy < 0 {
return ErrInvalidLengthContent
}
if (iNdEx + skippy) > l {
return io.ErrUnexpectedEOF
}
iNdEx += skippy
}
}
if iNdEx > l {
return io.ErrUnexpectedEOF
}
return nil
}
func (m *ListStatusesRequest) Unmarshal(dAtA []byte) error {
l := len(dAtA)
iNdEx := 0
for iNdEx < l {
preIndex := iNdEx
var wire uint64
for shift := uint(0); ; shift += 7 {
if shift >= 64 {
return ErrIntOverflowContent
}
if iNdEx >= l {
return io.ErrUnexpectedEOF
}
b := dAtA[iNdEx]
iNdEx++
wire |= (uint64(b) & 0x7F) << shift
if b < 0x80 {
break
}
}
fieldNum := int32(wire >> 3)
wireType := int(wire & 0x7)
if wireType == 4 {
return fmt.Errorf("proto: ListStatusesRequest: wiretype end group for non-group")
}
if fieldNum <= 0 {
return fmt.Errorf("proto: ListStatusesRequest: illegal tag %d (wire type %d)", fieldNum, wire)
}
switch fieldNum {
case 1:
if wireType != 2 {
return fmt.Errorf("proto: wrong wireType = %d for field Filter", wireType)
}
var stringLen uint64
for shift := uint(0); ; shift += 7 {
if shift >= 64 {
return ErrIntOverflowContent
}
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 ErrInvalidLengthContent
}
postIndex := iNdEx + intStringLen
if postIndex > l {
return io.ErrUnexpectedEOF
}
m.Filter = string(dAtA[iNdEx:postIndex])
iNdEx = postIndex
default:
iNdEx = preIndex
skippy, err := skipContent(dAtA[iNdEx:])
if err != nil {
return err
}
if skippy < 0 {
return ErrInvalidLengthContent
}
if (iNdEx + skippy) > l {
return io.ErrUnexpectedEOF
}
iNdEx += skippy
}
}
if iNdEx > l {
return io.ErrUnexpectedEOF
}
return nil
}
func (m *ListStatusesResponse) Unmarshal(dAtA []byte) error {
l := len(dAtA)
iNdEx := 0
for iNdEx < l {
preIndex := iNdEx
var wire uint64
for shift := uint(0); ; shift += 7 {
if shift >= 64 {
return ErrIntOverflowContent
}
if iNdEx >= l {
return io.ErrUnexpectedEOF
}
b := dAtA[iNdEx]
iNdEx++
wire |= (uint64(b) & 0x7F) << shift
if b < 0x80 {
break
}
}
fieldNum := int32(wire >> 3)
wireType := int(wire & 0x7)
if wireType == 4 {
return fmt.Errorf("proto: ListStatusesResponse: wiretype end group for non-group")
}
if fieldNum <= 0 {
return fmt.Errorf("proto: ListStatusesResponse: illegal tag %d (wire type %d)", fieldNum, wire)
}
switch fieldNum {
case 1:
if wireType != 2 {
return fmt.Errorf("proto: wrong wireType = %d for field Statuses", wireType)
@ -3286,61 +3595,63 @@ func init() {
}
var fileDescriptorContent = []byte{
// 881 bytes of a gzipped FileDescriptorProto
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// 925 bytes of a gzipped FileDescriptorProto
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}

19
api/services/content/v1/content.proto
View File

@ -32,13 +32,16 @@ service Content {
// The requested data may be returned in one or more messages.
rpc Read(ReadContentRequest) returns (stream ReadContentResponse);
// Status returns the status of ongoing object ingestions, started via
// Status returns the status for a single reference.
rpc Status(StatusRequest) returns (StatusResponse);
// ListStatuses returns the status of ongoing object ingestions, started via
// Write.
//
// Only those matching the regular expression will be provided in the
// response. If the provided regular expression is empty, all ingestions
// will be provided.
rpc Status(StatusRequest) returns (StatusResponse);
rpc ListStatuses(ListStatusesRequest) returns (ListStatusesResponse);
// Write begins or resumes writes to a resource identified by a unique ref.
// Only one active stream may exist at a time for each ref.
@ -124,11 +127,21 @@ message Status {
string expected = 6 [(gogoproto.customtype) = "github.com/opencontainers/go-digest.Digest", (gogoproto.nullable) = false];
}
message StatusRequest {
string filter = 1;
string ref = 1;
}
message StatusResponse {
Status status = 1;
}
message ListStatusesRequest {
string filter = 1;
}
message ListStatusesResponse {
repeated Status statuses = 1 [(gogoproto.nullable) = false];
}

2
cmd/dist/active.go vendored
View File

@ -40,7 +40,7 @@ var activeCommand = cli.Command{
return err
}
active, err := cs.Status(ctx, match)
active, err := cs.ListStatuses(ctx, match)
if err != nil {
return err
}

2
cmd/dist/fetch.go vendored
View File

@ -123,7 +123,7 @@ outer:
activeSeen := map[string]struct{}{}
if !done {
active, err := cs.Status(ctx, "")
active, err := cs.ListStatuses(ctx, "")
if err != nil {
log.G(ctx).WithError(err).Error("active check failed")
continue

19
content/content.go
View File

@ -58,19 +58,19 @@ type Manager interface {
// Delete removes the content from the store.
Delete(ctx context.Context, dgst digest.Digest) error
}
// Status returns the status of any active ingestions whose ref match the
// IngestManager provides methods for managing ingests.
type IngestManager interface {
// Status returns the status of the provided ref.
Status(ctx context.Context, ref string) (Status, error)
// ListStatuses returns the status of any active ingestions whose ref match the
// provided regular expression. If empty, all active ingestions will be
// returned.
//
// TODO(stevvooe): Status may be slighly out of place here. If this remains
// here, we should remove Manager and just define these on store.
Status(ctx context.Context, re string) ([]Status, error)
ListStatuses(ctx context.Context, ref string) ([]Status, error)
// Abort completely cancels the ingest operation targeted by ref.
//
// TODO(stevvooe): Same consideration as above. This should really be
// restricted to an ingest management interface.
Abort(ctx context.Context, ref string) error
}
@ -86,6 +86,7 @@ type Writer interface {
// are commonly provided by complete implementations.
type Store interface {
Manager
Ingester
Provider
IngestManager
Ingester
}

2
content/content_test.go
View File

@ -52,7 +52,7 @@ func TestContentWriter(t *testing.T) {
}
// we should also see this as an active ingestion
ingestions, err := cs.Status(ctx, "")
ingestions, err := cs.ListStatuses(ctx, "")
if err != nil {
t.Fatal(err)
}

6
content/store.go
View File

@ -136,7 +136,11 @@ func (cs *store) Walk(ctx context.Context, fn WalkFunc) error {
})
}
func (s *store) Status(ctx context.Context, re string) ([]Status, error) {
func (s *store) Status(ctx context.Context, ref string) (Status, error) {
return s.status(s.ingestRoot(ref))
}
func (s *store) ListStatuses(ctx context.Context, re string) ([]Status, error) {
fp, err := os.Open(filepath.Join(s.root, "ingest"))
if err != nil {
return nil, err

28
metadata/buckets.go
View File

@ -34,7 +34,9 @@ var (
bucketKeyObjectImages = []byte("images") // stores image objects
bucketKeyObjectContainers = []byte("containers") // stores container objects
bucketKeyObjectSnapshots = []byte("snapshots") // stores snapshot references
bucketKeyObjectContent = []byte("content") // stores content links
bucketKeyObjectContent = []byte("content") // stores content references
bucketKeyObjectBlob = []byte("blob") // stores content links
bucketKeyObjectIngest = []byte("ingest") // stores content links
bucketKeyDigest = []byte("digest")
bucketKeyMediaType = []byte("mediatype")
@ -142,18 +144,30 @@ func getSnapshotterBucket(tx *bolt.Tx, namespace, snapshotter string) *bolt.Buck
return getBucket(tx, bucketKeyVersion, []byte(namespace), bucketKeyObjectSnapshots, []byte(snapshotter))
}
func createContentBucket(tx *bolt.Tx, namespace string, dgst digest.Digest) (*bolt.Bucket, error) {
bkt, err := createBucketIfNotExists(tx, bucketKeyVersion, []byte(namespace), bucketKeyObjectContent, []byte(dgst.String()))
func createBlobBucket(tx *bolt.Tx, namespace string, dgst digest.Digest) (*bolt.Bucket, error) {
bkt, err := createBucketIfNotExists(tx, bucketKeyVersion, []byte(namespace), bucketKeyObjectContent, bucketKeyObjectBlob, []byte(dgst.String()))
if err != nil {
return nil, err
}
return bkt, nil
}
func getAllContentBucket(tx *bolt.Tx, namespace string) *bolt.Bucket {
return getBucket(tx, bucketKeyVersion, []byte(namespace), bucketKeyObjectContent)
func getBlobsBucket(tx *bolt.Tx, namespace string) *bolt.Bucket {
return getBucket(tx, bucketKeyVersion, []byte(namespace), bucketKeyObjectContent, bucketKeyObjectBlob)
}
func getContentBucket(tx *bolt.Tx, namespace string, dgst digest.Digest) *bolt.Bucket {
return getBucket(tx, bucketKeyVersion, []byte(namespace), bucketKeyObjectContent, []byte(dgst.String()))
func getBlobBucket(tx *bolt.Tx, namespace string, dgst digest.Digest) *bolt.Bucket {
return getBucket(tx, bucketKeyVersion, []byte(namespace), bucketKeyObjectContent, bucketKeyObjectBlob, []byte(dgst.String()))
}
func createIngestBucket(tx *bolt.Tx, namespace string) (*bolt.Bucket, error) {
bkt, err := createBucketIfNotExists(tx, bucketKeyVersion, []byte(namespace), bucketKeyObjectContent, bucketKeyObjectIngest)
if err != nil {
return nil, err
}
return bkt, nil
}
func getIngestBucket(tx *bolt.Tx, namespace string) *bolt.Bucket {
return getBucket(tx, bucketKeyVersion, []byte(namespace), bucketKeyObjectContent, bucketKeyObjectIngest)
}

204
metadata/content.go
View File

@ -4,11 +4,14 @@ import (
"context"
"encoding/binary"
"io"
"regexp"
"github.com/boltdb/bolt"
"github.com/containerd/containerd/content"
"github.com/containerd/containerd/errdefs"
"github.com/containerd/containerd/namespaces"
digest "github.com/opencontainers/go-digest"
"github.com/pkg/errors"
)
type contentStore struct {
@ -33,9 +36,9 @@ func (cs *contentStore) Info(ctx context.Context, dgst digest.Digest) (content.I
var info content.Info
if err := view(ctx, cs.db, func(tx *bolt.Tx) error {
bkt := getContentBucket(tx, ns, dgst)
bkt := getBlobBucket(tx, ns, dgst)
if bkt == nil {
return content.ErrNotFound("")
return errors.Wrapf(errdefs.ErrNotFound, "content digest %v", dgst)
}
info.Digest = dgst
@ -56,7 +59,7 @@ func (cs *contentStore) Walk(ctx context.Context, fn content.WalkFunc) error {
// TODO: Batch results to keep from reading all info into memory
var infos []content.Info
if err := view(ctx, cs.db, func(tx *bolt.Tx) error {
bkt := getAllContentBucket(tx, ns)
bkt := getBlobsBucket(tx, ns)
if bkt == nil {
return nil
}
@ -95,37 +98,121 @@ func (cs *contentStore) Delete(ctx context.Context, dgst digest.Digest) error {
}
return update(ctx, cs.db, func(tx *bolt.Tx) error {
bkt := getContentBucket(tx, ns, dgst)
bkt := getBlobBucket(tx, ns, dgst)
if bkt == nil {
return content.ErrNotFound("")
return errors.Wrapf(errdefs.ErrNotFound, "content digest %v", dgst)
}
// Just remove local reference, garbage collector is responsible for
// cleaning up on disk content
return getAllContentBucket(tx, ns).Delete([]byte(dgst.String()))
return getBlobsBucket(tx, ns).Delete([]byte(dgst.String()))
})
}
func (cs *contentStore) Status(ctx context.Context, re string) ([]content.Status, error) {
_, err := namespaces.NamespaceRequired(ctx)
func (cs *contentStore) ListStatuses(ctx context.Context, re string) ([]content.Status, error) {
ns, err := namespaces.NamespaceRequired(ctx)
if err != nil {
return nil, err
}
// TODO: Read status keys and match
var rec *regexp.Regexp
if re != "" {
rec, err = regexp.Compile(re)
if err != nil {
return nil, err
}
}
return cs.Store.Status(ctx, re)
var brefs []string
if err := view(ctx, cs.db, func(tx *bolt.Tx) error {
bkt := getIngestBucket(tx, ns)
if bkt == nil {
return nil
}
return bkt.ForEach(func(k, v []byte) error {
if rec == nil || rec.Match(k) {
brefs = append(brefs, string(v))
}
return nil
})
}); err != nil {
return nil, err
}
statuses := make([]content.Status, 0, len(brefs))
for _, bref := range brefs {
status, err := cs.Store.Status(ctx, bref)
if err != nil {
if errdefs.IsNotFound(err) {
continue
}
return nil, err
}
status.Ref = trimKey(status.Ref)
statuses = append(statuses, status)
}
return statuses, nil
}
func getRef(tx *bolt.Tx, ns, ref string) string {
bkt := getIngestBucket(tx, ns)
if bkt == nil {
return ""
}
v := bkt.Get([]byte(ref))
if len(v) == 0 {
return ""
}
return string(v)
}
func (cs *contentStore) Status(ctx context.Context, ref string) (content.Status, error) {
ns, err := namespaces.NamespaceRequired(ctx)
if err != nil {
return content.Status{}, err
}
var bref string
if err := view(ctx, cs.db, func(tx *bolt.Tx) error {
bref = getRef(tx, ns, ref)
if bref == "" {
return errors.Wrapf(errdefs.ErrNotFound, "reference %v", ref)
}
return nil
}); err != nil {
return content.Status{}, err
}
return cs.Store.Status(ctx, bref)
}
func (cs *contentStore) Abort(ctx context.Context, ref string) error {
_, err := namespaces.NamespaceRequired(ctx)
ns, err := namespaces.NamespaceRequired(ctx)
if err != nil {
return err
}
// TODO: Read status key and delete
return update(ctx, cs.db, func(tx *bolt.Tx) error {
bkt := getIngestBucket(tx, ns)
if bkt == nil {
return errors.Wrapf(errdefs.ErrNotFound, "reference %v", ref)
}
bref := string(bkt.Get([]byte(ref)))
if bref == "" {
return errors.Wrapf(errdefs.ErrNotFound, "reference %v", ref)
}
if err := bkt.Delete([]byte(ref)); err != nil {
return err
}
return cs.Store.Abort(ctx, bref)
})
return cs.Store.Abort(ctx, ref)
}
func (cs *contentStore) Writer(ctx context.Context, ref string, size int64, expected digest.Digest) (content.Writer, error) {
@ -134,29 +221,44 @@ func (cs *contentStore) Writer(ctx context.Context, ref string, size int64, expe
return nil, err
}
// TODO: Create ref key
if expected != "" {
if err := view(ctx, cs.db, func(tx *bolt.Tx) error {
bkt := getContentBucket(tx, ns, expected)
if bkt != nil {
return content.ErrExists("")
var w content.Writer
if err := update(ctx, cs.db, func(tx *bolt.Tx) error {
if expected != "" {
cbkt := getBlobBucket(tx, ns, expected)
if cbkt != nil {
return errors.Wrapf(errdefs.ErrAlreadyExists, "content %v", expected)
}
return nil
}); err != nil {
return nil, err
}
}
// Do not use the passed in expected value here since it was
// already checked against the user metadata. If the content
// store has the content, it must still be written before
// linked into the given namespace. It is possible in the future
// to allow content which exists in content store but not
// namespace to be linked here and returned an exist error, but
// this would require more configuration to make secure.
w, err := cs.Store.Writer(ctx, ref, size, "")
if err != nil {
bkt, err := createIngestBucket(tx, ns)
if err != nil {
return err
}
if len(bkt.Get([]byte(ref))) > 0 {
return errors.Wrapf(errdefs.ErrUnavailable, "ref %v is currently in use", ref)
}
sid, err := bkt.NextSequence()
if err != nil {
return err
}
bref := createKey(sid, ns, ref)
if err := bkt.Put([]byte(ref), []byte(bref)); err != nil {
return err
}
// Do not use the passed in expected value here since it was
// already checked against the user metadata. If the content
// store has the content, it must still be written before
// linked into the given namespace. It is possible in the future
// to allow content which exists in content store but not
// namespace to be linked here and returned an exist error, but
// this would require more configuration to make secure.
w, err = cs.Store.Writer(ctx, bref, size, "")
return err
}); err != nil {
return nil, err
}
@ -164,6 +266,7 @@ func (cs *contentStore) Writer(ctx context.Context, ref string, size int64, expe
// when no expected is provided there.
return &namespacedWriter{
Writer: w,
ref: ref,
namespace: ns,
db: cs.db,
}, nil
@ -171,22 +274,21 @@ func (cs *contentStore) Writer(ctx context.Context, ref string, size int64, expe
type namespacedWriter struct {
content.Writer
ref string
namespace string
db *bolt.DB
}
func (nw *namespacedWriter) Commit(size int64, expected digest.Digest) error {
tx, err := nw.db.Begin(true)
if err != nil {
return err
}
if err := nw.commit(tx, size, expected); err != nil {
tx.Rollback()
return err
}
return tx.Commit()
return nw.db.Update(func(tx *bolt.Tx) error {
bkt := getIngestBucket(tx, nw.namespace)
if bkt != nil {
if err := bkt.Delete([]byte(nw.ref)); err != nil {
return err
}
}
return nw.commit(tx, size, expected)
})
}
func (nw *namespacedWriter) commit(tx *bolt.Tx, size int64, expected digest.Digest) error {
@ -196,20 +298,18 @@ func (nw *namespacedWriter) commit(tx *bolt.Tx, size int64, expected digest.Dige
}
actual := nw.Writer.Digest()
// TODO: Handle already exists
if err := nw.Writer.Commit(size, expected); err != nil {
if !content.IsExists(err) {
if !errdefs.IsAlreadyExists(err) {
return err
}
if getContentBucket(tx, nw.namespace, actual) != nil {
return content.ErrExists("")
if getBlobBucket(tx, nw.namespace, actual) != nil {
return errors.Wrapf(errdefs.ErrAlreadyExists, "content %v", actual)
}
// Link into this namespace
}
size = status.Total
bkt, err := createContentBucket(tx, nw.namespace, actual)
bkt, err := createBlobBucket(tx, nw.namespace, actual)
if err != nil {
return err
}
@ -257,9 +357,9 @@ func (cs *contentStore) checkAccess(ctx context.Context, dgst digest.Digest) err
}
return view(ctx, cs.db, func(tx *bolt.Tx) error {
bkt := getContentBucket(tx, ns, dgst)
bkt := getBlobBucket(tx, ns, dgst)
if bkt == nil {
return content.ErrNotFound("")
return errors.Wrapf(errdefs.ErrNotFound, "content digest %v", dgst)
}
return nil
})

16
metadata/snapshot.go
View File

@ -29,11 +29,11 @@ func NewSnapshotter(db *bolt.DB, name string, sn snapshot.Snapshotter) snapshot.
}
}
func snapshotKey(id uint64, namespace, key string) string {
func createKey(id uint64, namespace, key string) string {
return fmt.Sprintf("%s/%d/%s", namespace, id, key)
}
func trimName(key string) string {
func trimKey(key string) string {
parts := strings.SplitN(key, "/", 3)
if len(parts) < 3 {
return ""
@ -82,9 +82,9 @@ func (s *snapshotter) Stat(ctx context.Context, key string) (snapshot.Info, erro
if err != nil {
return snapshot.Info{}, err
}
info.Name = trimName(info.Name)
info.Name = trimKey(info.Name)
if info.Parent != "" {
info.Parent = trimName(info.Parent)
info.Parent = trimKey(info.Parent)
}
return info, nil
@ -143,7 +143,7 @@ func (s *snapshotter) createSnapshot(ctx context.Context, key, parent string, re
if err != nil {
return err
}
bkey = snapshotKey(sid, ns, key)
bkey = createKey(sid, ns, key)
if err := bkt.Put([]byte(key), []byte(bkey)); err != nil {
return err
}
@ -188,7 +188,7 @@ func (s *snapshotter) Commit(ctx context.Context, name, key string) error {
if err != nil {
return err
}
nameKey = snapshotKey(sid, ns, name)
nameKey = createKey(sid, ns, name)
if err := bkt.Put([]byte(name), []byte(nameKey)); err != nil {
return err
}
@ -259,9 +259,9 @@ func (s *snapshotter) Walk(ctx context.Context, fn func(context.Context, snapsho
return err
}
info.Name = trimName(info.Name)
info.Name = trimKey(info.Name)
if info.Parent != "" {
info.Parent = trimName(info.Parent)
info.Parent = trimKey(info.Parent)
}
if err := fn(ctx, info); err != nil {
return err

23
services/content/service.go
View File

@ -224,12 +224,31 @@ func (rw *readResponseWriter) Write(p []byte) (n int, err error) {
}
func (s *Service) Status(ctx context.Context, req *api.StatusRequest) (*api.StatusResponse, error) {
statuses, err := s.store.Status(ctx, req.Filter)
status, err := s.store.Status(ctx, req.Ref)
if err != nil {
return nil, errdefs.ToGRPCf(err, "could not get status for ref %q", req.Ref)
}
var resp api.StatusResponse
resp.Status = &api.Status{
StartedAt: status.StartedAt,
UpdatedAt: status.UpdatedAt,
Ref: status.Ref,
Offset: status.Offset,
Total: status.Total,
Expected: status.Expected,
}
return &resp, nil
}
func (s *Service) ListStatuses(ctx context.Context, req *api.ListStatusesRequest) (*api.ListStatusesResponse, error) {
statuses, err := s.store.ListStatuses(ctx, req.Filter)
if err != nil {
return nil, errdefs.ToGRPCf(err, "could not get status for filter %q", req.Filter)
}
var resp api.StatusResponse
var resp api.ListStatusesResponse
for _, status := range statuses {
resp.Statuses = append(resp.Statuses, api.Status{
StartedAt: status.StartedAt,

21
services/content/store.go
View File

@ -94,8 +94,27 @@ func (rs *remoteStore) ReaderAt(ctx context.Context, dgst digest.Digest) (io.Rea
}, nil
}
func (rs *remoteStore) Status(ctx context.Context, filter string) ([]content.Status, error) {
func (rs *remoteStore) Status(ctx context.Context, ref string) (content.Status, error) {
resp, err := rs.client.Status(ctx, &contentapi.StatusRequest{
Ref: ref,
})
if err != nil {
return content.Status{}, errdefs.FromGRPC(err)
}
status := resp.Status
return content.Status{
Ref: status.Ref,
StartedAt: status.StartedAt,
UpdatedAt: status.UpdatedAt,
Offset: status.Offset,
Total: status.Total,
Expected: status.Expected,
}, nil
}
func (rs *remoteStore) ListStatuses(ctx context.Context, filter string) ([]content.Status, error) {
resp, err := rs.client.ListStatuses(ctx, &contentapi.ListStatusesRequest{
Filter: filter,
})
if err != nil {