Updating to container1.0-alpha

Signed-off-by: Abhinandan Prativadi <abhi@docker.com>

hack/versions

@@ -1,5 +1,5 @@
 RUNC_VERSION=e775f0fba3ea329b8b766451c892c41a3d49594d
 CNI_VERSION=v0.6.0
-CONTAINERD_VERSION=938810e706bbcdbcb937ce63ba3e7c9ca329af64
+CONTAINERD_VERSION=f05281743e5ac9ad11c6e19a72be7a903eab79f5
 CRITEST_VERSION=74bbd4e142f752f13c648d9dde23defed3e472a2
 KUBERNETES_VERSION=493ee8b28560c118cebd2165ba9ef0959cfa2bc3

pkg/server/container_execsync.go

@@ -72,12 +72,6 @@ type execOptions struct {
 	timeout time.Duration
 }
 
-// execResult is the result returned by exec.
-type execResult struct {
-	exitCode uint32
-	err      error
-}
-
 // execInContainer executes a command inside the container synchronously, and
 // redirects stdio stream properly.
 func (c *criContainerdService) execInContainer(ctx context.Context, id string, opts execOptions) (*uint32, error) {
@@ -127,8 +121,6 @@ func (c *criContainerdService) execInContainer(ctx context.Context, id string, o
 		return nil, fmt.Errorf("failed to create exec %q: %v", execID, err)
 	}
 	defer func() {
-		// TODO(random-liu): There is a containerd bug here containerd#1376, revisit this
-		// after that is fixed.
 		if _, err := process.Delete(ctx); err != nil {
 			glog.Errorf("Failed to delete exec process %q for container %q: %v", execID, id, err)
 		}
@@ -140,16 +132,10 @@ func (c *criContainerdService) execInContainer(ctx context.Context, id string, o
 		}
 	})
 
-	resCh := make(chan execResult, 1)
+	exitCh, err := process.Wait(ctx)
-	go func() {
+	if err != nil {
-		// Wait will return if context is cancelled.
+		return nil, fmt.Errorf("failed to wait for process %q: %v", execID, err)
-		exitCode, err := process.Wait(ctx)
+	}
-		resCh <- execResult{
-			exitCode: exitCode,
-			err:      err,
-		}
-		glog.V(2).Infof("Exec process %q exits with exit code %d and error %v", execID, exitCode, err)
-	}()
 	if err := process.Start(ctx); err != nil {
 		return nil, fmt.Errorf("failed to start exec %q: %v", execID, err)
 	}
@@ -163,17 +149,22 @@ func (c *criContainerdService) execInContainer(ctx context.Context, id string, o
 	}
 	select {
 	case <-timeoutCh:
+		//TODO(Abhi) Use context.WithDeadline instead of timeout.
 		// Ignore the not found error because the process may exit itself before killing.
 		if err := process.Kill(ctx, unix.SIGKILL); err != nil && !errdefs.IsNotFound(err) {
 			return nil, fmt.Errorf("failed to kill exec %q: %v", execID, err)
 		}
 		// Wait for the process to be killed.
-		<-resCh
+		exitRes := <-exitCh
+		glog.V(2).Infof("Timeout received while waiting for exec process kill %q code %d and error %v",
+			execID, exitRes.ExitCode(), exitRes.Error())
 		return nil, fmt.Errorf("timeout %v exceeded", opts.timeout)
-	case res := <-resCh:
+	case exitRes := <-exitCh:
-		if res.err != nil {
+		code, _, err := exitRes.Result()
-			return nil, fmt.Errorf("failed to wait for exec %q: %v", execID, res.err)
+		glog.V(2).Infof("Exec process %q exits with exit code %d and error %v", execID, code, err)
+		if err != nil {
+			return nil, fmt.Errorf("failed while waiting for exec %q: %v", execID, err)
 		}
-		return &res.exitCode, nil
+		return &code, nil
 	}
 }

vendor.conf

@@ -1,6 +1,6 @@
 github.com/blang/semver v3.1.0
 github.com/boltdb/bolt v1.3.0-58-ge9cf4fa
-github.com/containerd/containerd f79981c2dfe35c3bfcbdd2de9b682e8c3de904b2 
+github.com/containerd/containerd f05281743e5ac9ad11c6e19a72be7a903eab79f5 
 github.com/containerd/fifo fbfb6a11ec671efbe94ad1c12c2e98773f19e1e6
 github.com/containernetworking/cni v0.6.0
 github.com/cri-o/ocicni 0f90d35d89e9ab7e972a9edeb36b0aaffa250335

vendor/github.com/containerd/containerd/api/services/content/v1/content.pb.go

@@ -321,6 +321,8 @@ type WriteContentRequest struct {
 	// If this is empty and the message is not a commit, a response will be
 	// returned with the current write state.
 	Data []byte `protobuf:"bytes,6,opt,name=data,proto3" json:"data,omitempty"`
+	// Labels are arbitrary data to set on commit.
+	Labels map[string]string `protobuf:"bytes,7,rep,name=labels" json:"labels,omitempty" protobuf_key:"bytes,1,opt,name=key,proto3" protobuf_val:"bytes,2,opt,name=value,proto3"`
 }
 
 func (m *WriteContentRequest) Reset()                    { *m = WriteContentRequest{} }
@@ -1445,6 +1447,23 @@ func (m *WriteContentRequest) MarshalTo(dAtA []byte) (int, error) {
 		i = encodeVarintContent(dAtA, i, uint64(len(m.Data)))
 		i += copy(dAtA[i:], m.Data)
 	}
+	if len(m.Labels) > 0 {
+		for k, _ := range m.Labels {
+			dAtA[i] = 0x3a
+			i++
+			v := m.Labels[k]
+			mapSize := 1 + len(k) + sovContent(uint64(len(k))) + 1 + len(v) + sovContent(uint64(len(v)))
+			i = encodeVarintContent(dAtA, i, uint64(mapSize))
+			dAtA[i] = 0xa
+			i++
+			i = encodeVarintContent(dAtA, i, uint64(len(k)))
+			i += copy(dAtA[i:], k)
+			dAtA[i] = 0x12
+			i++
+			i = encodeVarintContent(dAtA, i, uint64(len(v)))
+			i += copy(dAtA[i:], v)
+		}
+	}
 	return i, nil
 }
 
@@ -1772,6 +1791,14 @@ func (m *WriteContentRequest) Size() (n int) {
 	if l > 0 {
 		n += 1 + l + sovContent(uint64(l))
 	}
+	if len(m.Labels) > 0 {
+		for k, v := range m.Labels {
+			_ = k
+			_ = v
+			mapEntrySize := 1 + len(k) + sovContent(uint64(len(k))) + 1 + len(v) + sovContent(uint64(len(v)))
+			n += mapEntrySize + 1 + sovContent(uint64(mapEntrySize))
+		}
+	}
 	return n
 }
 
@@ -1998,6 +2025,16 @@ func (this *WriteContentRequest) String() string {
 	if this == nil {
 		return "nil"
 	}
+	keysForLabels := make([]string, 0, len(this.Labels))
+	for k, _ := range this.Labels {
+		keysForLabels = append(keysForLabels, k)
+	}
+	github_com_gogo_protobuf_sortkeys.Strings(keysForLabels)
+	mapStringForLabels := "map[string]string{"
+	for _, k := range keysForLabels {
+		mapStringForLabels += fmt.Sprintf("%v: %v,", k, this.Labels[k])
+	}
+	mapStringForLabels += "}"
 	s := strings.Join([]string{`&WriteContentRequest{`,
 		`Action:` + fmt.Sprintf("%v", this.Action) + `,`,
 		`Ref:` + fmt.Sprintf("%v", this.Ref) + `,`,
@@ -2005,6 +2042,7 @@ func (this *WriteContentRequest) String() string {
 		`Expected:` + fmt.Sprintf("%v", this.Expected) + `,`,
 		`Offset:` + fmt.Sprintf("%v", this.Offset) + `,`,
 		`Data:` + fmt.Sprintf("%v", this.Data) + `,`,
+		`Labels:` + mapStringForLabels + `,`,
 		`}`,
 	}, "")
 	return s
@@ -3827,6 +3865,122 @@ func (m *WriteContentRequest) Unmarshal(dAtA []byte) error {
 				m.Data = []byte{}
 			}
 			iNdEx = postIndex
+		case 7:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Labels", 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
+			}
+			var keykey uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowContent
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				keykey |= (uint64(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			var stringLenmapkey uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowContent
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				stringLenmapkey |= (uint64(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			intStringLenmapkey := int(stringLenmapkey)
+			if intStringLenmapkey < 0 {
+				return ErrInvalidLengthContent
+			}
+			postStringIndexmapkey := iNdEx + intStringLenmapkey
+			if postStringIndexmapkey > l {
+				return io.ErrUnexpectedEOF
+			}
+			mapkey := string(dAtA[iNdEx:postStringIndexmapkey])
+			iNdEx = postStringIndexmapkey
+			if m.Labels == nil {
+				m.Labels = make(map[string]string)
+			}
+			if iNdEx < postIndex {
+				var valuekey uint64
+				for shift := uint(0); ; shift += 7 {
+					if shift >= 64 {
+						return ErrIntOverflowContent
+					}
+					if iNdEx >= l {
+						return io.ErrUnexpectedEOF
+					}
+					b := dAtA[iNdEx]
+					iNdEx++
+					valuekey |= (uint64(b) & 0x7F) << shift
+					if b < 0x80 {
+						break
+					}
+				}
+				var stringLenmapvalue uint64
+				for shift := uint(0); ; shift += 7 {
+					if shift >= 64 {
+						return ErrIntOverflowContent
+					}
+					if iNdEx >= l {
+						return io.ErrUnexpectedEOF
+					}
+					b := dAtA[iNdEx]
+					iNdEx++
+					stringLenmapvalue |= (uint64(b) & 0x7F) << shift
+					if b < 0x80 {
+						break
+					}
+				}
+				intStringLenmapvalue := int(stringLenmapvalue)
+				if intStringLenmapvalue < 0 {
+					return ErrInvalidLengthContent
+				}
+				postStringIndexmapvalue := iNdEx + intStringLenmapvalue
+				if postStringIndexmapvalue > l {
+					return io.ErrUnexpectedEOF
+				}
+				mapvalue := string(dAtA[iNdEx:postStringIndexmapvalue])
+				iNdEx = postStringIndexmapvalue
+				m.Labels[mapkey] = mapvalue
+			} else {
+				var mapvalue string
+				m.Labels[mapkey] = mapvalue
+			}
+			iNdEx = postIndex
 		default:
 			iNdEx = preIndex
 			skippy, err := skipContent(dAtA[iNdEx:])
@@ -4233,72 +4387,73 @@ func init() {
 }
 
 var fileDescriptorContent = []byte{
-	// 1065 bytes of a gzipped FileDescriptorProto
+	// 1079 bytes of a gzipped FileDescriptorProto
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+	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0xb4, 0x57, 0xcd, 0x6f, 0x1b, 0x45,
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+	0x75, 0x8b, 0x93, 0x21, 0x97, 0xe2, 0x23, 0x2e, 0xa5, 0x21, 0xc1, 0x5c, 0x66, 0xb7, 0x32, 0x09,
-	0xb3, 0x71, 0x7e, 0x2d, 0x0e, 0xf8, 0x11, 0xac, 0x93, 0x6f, 0x7a, 0xa4, 0x4e, 0x49, 0x23, 0xab,
+	0x71, 0xed, 0x1f, 0xf0, 0x43, 0x58, 0x23, 0xdf, 0x76, 0x49, 0x8d, 0x91, 0x7a, 0x46, 0x5d, 0x38,
-	0x2e, 0x9d, 0x91, 0xa1, 0x0d, 0xe3, 0x26, 0x5c, 0x13, 0x1c, 0x05, 0x09, 0x97, 0x0e, 0xa2, 0xa1,
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-	0x83, 0xac, 0xad, 0x02, 0x95, 0x61, 0x3d, 0xab, 0x3e, 0xbf, 0x91, 0x54, 0xbe, 0x37, 0xab, 0xa2,
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-	0x25, 0x5e, 0xa2, 0x8c, 0xa2, 0x68, 0x13, 0x71, 0x4b, 0xfc, 0xd9, 0x7d, 0xf5, 0x15, 0x64, 0xc6,
+	0x89, 0x32, 0x0a, 0x7e, 0x9b, 0xf8, 0xb7, 0x84, 0x46, 0xf7, 0xd5, 0xd7, 0x90, 0x1e, 0x05, 0x48,
-	0x01, 0xd2, 0x91, 0x07, 0xb0, 0xee, 0xcb, 0x3b, 0xd9, 0x5c, 0x73, 0xba, 0x22, 0xdb, 0x6b, 0x88,
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+	0xac, 0xc0, 0xe6, 0xa1, 0xe7, 0x4c, 0xb4, 0x58, 0x19, 0x54, 0xbb, 0xc6, 0x1c, 0xb7, 0x23, 0x5c,
-	0xf2, 0x50, 0xaf, 0x97, 0x6e, 0xcf, 0xb2, 0xcf, 0x8d, 0x94, 0x39, 0xc4, 0x92, 0xd0, 0x80, 0xd3,
+	0xbd, 0x5a, 0xbc, 0x19, 0x25, 0x5f, 0x08, 0x29, 0x09, 0x88, 0x25, 0xa1, 0x41, 0x4c, 0x63, 0xc3,
-	0xe8, 0x28, 0xe9, 0xc3, 0xe4, 0x2a, 0x97, 0x25, 0x37, 0x76, 0xf5, 0xe4, 0x86, 0x4a, 0x2b, 0x7e,
+	0xa4, 0x0f, 0x92, 0xab, 0x5c, 0x94, 0xdc, 0xf8, 0xe5, 0x93, 0x1b, 0x2a, 0xad, 0xc4, 0xd4, 0x6e,
-	0x61, 0xb7, 0xa8, 0xa1, 0x6e, 0x79, 0x1d, 0x85, 0xcc, 0x38, 0x01, 0x92, 0xe3, 0x95, 0x30, 0x30,
+	0x51, 0x87, 0xdd, 0x82, 0x0f, 0x07, 0xbb, 0x6f, 0x55, 0x04, 0xf2, 0x93, 0x99, 0x1c, 0x1d, 0x8d,
-	0xde, 0x80, 0xd1, 0x55, 0x34, 0xa0, 0xb2, 0x5c, 0x03, 0x2e, 0xd6, 0x6e, 0xa3, 0xf1, 0xa7, 0x5e,
+	0xd6, 0xb2, 0x57, 0xe1, 0xcb, 0x18, 0xa4, 0x47, 0xd5, 0xc8, 0xbc, 0x2f, 0x25, 0x2b, 0xa3, 0x43,
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+	0x21, 0xb6, 0x8c, 0xa1, 0xa0, 0x2c, 0x36, 0x14, 0xe6, 0x1b, 0x01, 0xc3, 0x91, 0xac, 0x5e, 0x7a,
-	0x62, 0x0f, 0xbf, 0x03, 0xb1, 0xc7, 0xd5, 0x72, 0x35, 0x15, 0xd1, 0xd2, 0xc7, 0x27, 0xfa, 0x1b,
+	0xea, 0xeb, 0xb0, 0x51, 0xaa, 0xba, 0x1e, 0xbb, 0xb0, 0xfb, 0x6f, 0xfc, 0x80, 0x20, 0x19, 0x8a,
-	0xa1, 0x9f, 0x58, 0x15, 0xe3, 0x3c, 0xc4, 0x9f, 0x5a, 0xfb, 0xd5, 0xbd, 0x14, 0xd2, 0x32, 0xc7,
+	0x1e, 0x7e, 0x07, 0xe2, 0x8f, 0x2a, 0xa5, 0x4a, 0x6a, 0x45, 0xdb, 0x3c, 0x39, 0xd5, 0xdf, 0x08,
-	0x27, 0x7a, 0x2a, 0xf4, 0x3b, 0x17, 0xf1, 0x4d, 0x50, 0x2b, 0x9f, 0x1d, 0x1c, 0xec, 0x57, 0x53,
+	0x7d, 0xe2, 0x9d, 0x85, 0x73, 0x90, 0x38, 0xb4, 0xf6, 0x2b, 0x7b, 0x29, 0xa4, 0xa5, 0x4f, 0x4e,
-	0x51, 0xed, 0xad, 0xe3, 0x13, 0xfd, 0xcd, 0x90, 0x46, 0xc5, 0xed, 0x74, 0x1c, 0xaa, 0xa5, 0x7f,
+	0xf5, 0x54, 0xe8, 0xbb, 0x20, 0xf1, 0x75, 0x50, 0xcb, 0x9f, 0x1f, 0x1c, 0xec, 0x57, 0x52, 0x31,
-	0xf8, 0x39, 0x17, 0xf9, 0xf5, 0x97, 0x5c, 0xf8, 0xdd, 0xd2, 0x6f, 0x6b, 0xb0, 0x26, 0xcb, 0x00,
+	0xed, 0xad, 0x93, 0x53, 0xfd, 0xcd, 0x10, 0x47, 0xd9, 0x6d, 0xb7, 0x1d, 0xa6, 0x6d, 0xfe, 0xf8,
-	0xdb, 0xf2, 0x2b, 0xf0, 0xf6, 0x3c, 0x5b, 0x4b, 0x86, 0xa6, 0xbd, 0x3f, 0x9f, 0xb2, 0xac, 0xb0,
+	0x6b, 0x76, 0xe5, 0xf7, 0xdf, 0xb2, 0x61, 0xbd, 0xc5, 0x3f, 0x56, 0x61, 0x55, 0x96, 0x01, 0xb6,
-	0x16, 0xa8, 0x62, 0x6f, 0xe3, 0xcd, 0x59, 0xb8, 0xb1, 0xaf, 0x0d, 0xcd, 0x9c, 0x57, 0x5d, 0x3e,
+	0xe5, 0xcb, 0xf4, 0xe6, 0x2c, 0x9b, 0x54, 0xba, 0xa6, 0xbd, 0x3f, 0x1b, 0xb3, 0xac, 0xb0, 0x26,
-	0xf4, 0x02, 0x62, 0x6c, 0x8c, 0xe0, 0xd2, 0x2c, 0xdc, 0xf4, 0xd2, 0xd7, 0xb6, 0x17, 0xc2, 0x88,
+	0xa8, 0xfe, 0x5b, 0x02, 0x6f, 0x45, 0xe1, 0x46, 0x5e, 0x40, 0x9a, 0x39, 0x2b, 0xbb, 0x54, 0xf4,
-	0x07, 0xb7, 0x10, 0xfe, 0x02, 0x54, 0xb1, 0xba, 0xf1, 0xce, 0x2c, 0x03, 0x17, 0xad, 0x78, 0xed,
+	0x0c, 0xe2, 0x7c, 0xb4, 0xe1, 0x62, 0x14, 0x6e, 0xf2, 0x21, 0xa2, 0xed, 0xcc, 0x85, 0xf1, 0x15,
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-	0xb3, 0x43, 0xb9, 0x60, 0xf3, 0x6e, 0x21, 0x96, 0x26, 0xb9, 0x4e, 0x37, 0xe7, 0x9c, 0xf7, 0xf3,
+	0x9b, 0xa8, 0xef, 0x3d, 0xfe, 0xbf, 0x81, 0xbb, 0xc2, 0x77, 0x76, 0xb4, 0x2b, 0x93, 0xef, 0x8c,
-	0xa6, 0x69, 0x62, 0xbd, 0x1c, 0xc1, 0x46, 0x78, 0xda, 0xe3, 0xb9, 0xa8, 0x9f, 0x58, 0x26, 0xda,
+	0x68, 0x57, 0xa6, 0xbc, 0x06, 0xb6, 0x11, 0x4f, 0x93, 0x5c, 0xf1, 0x5b, 0x33, 0xee, 0xa0, 0x59,
-	0xce, 0x62, 0x20, 0xf9, 0xf4, 0x00, 0xe2, 0xa2, 0x75, 0xb6, 0xe7, 0x9a, 0x72, 0x13, 0xc4, 0xee,
+	0xd3, 0x34, 0xb6, 0xf2, 0x8e, 0x61, 0x23, 0xbc, 0x81, 0xf0, 0x4c, 0xa1, 0x1f, 0x5b, 0x70, 0xda,
-	0x2c, 0x06, 0x12, 0x6f, 0x16, 0xd0, 0x16, 0xc2, 0x07, 0x10, 0xe7, 0xb3, 0x01, 0xcf, 0xec, 0x9c,
+	0xed, 0xf9, 0x40, 0x52, 0x75, 0x1f, 0x12, 0x7e, 0xeb, 0xec, 0x2c, 0x30, 0x92, 0xa3, 0x75, 0x4e,
-	0xf0, 0x08, 0xb9, 0xac, 0x3a, 0x76, 0x9f, 0x9d, 0x9e, 0xe5, 0x22, 0x7f, 0x9c, 0xe5, 0x22, 0xdf,
+	0x1b, 0xb0, 0x79, 0xb4, 0x8d, 0xf0, 0x01, 0x24, 0xc4, 0x6c, 0xc0, 0x91, 0x9d, 0x13, 0x1e, 0x21,
-	0x9d, 0xe7, 0xd0, 0xe9, 0x79, 0x0e, 0xfd, 0x7e, 0x9e, 0x43, 0x7f, 0x9d, 0xe7, 0xd0, 0xb3, 0x4f,
+	0x17, 0x55, 0xc7, 0xee, 0x93, 0xb3, 0x57, 0xd9, 0x95, 0xbf, 0x5e, 0x65, 0x57, 0xbe, 0x3f, 0xcf,
-	0x96, 0xfd, 0x9f, 0xf5, 0xae, 0x14, 0x6b, 0x2a, 0x7f, 0x6b, 0xfb, 0xdf, 0x00, 0x00, 0x00, 0xff,
+	0xa2, 0xb3, 0xf3, 0x2c, 0xfa, 0xf3, 0x3c, 0x8b, 0xfe, 0x39, 0xcf, 0xa2, 0x27, 0x9f, 0x2e, 0xfa,
-	0xff, 0x28, 0x28, 0x53, 0x76, 0xfe, 0x0e, 0x00, 0x00,
+	0x3f, 0xfa, 0x8e, 0x24, 0xab, 0xaa, 0xd0, 0xb5, 0xf3, 0x5f, 0x00, 0x00, 0x00, 0xff, 0xff, 0xbf,
+	0xc1, 0xae, 0xf1, 0x92, 0x0f, 0x00, 0x00,
 }

vendor/github.com/containerd/containerd/api/services/content/v1/content.proto

@@ -269,6 +269,9 @@ message WriteContentRequest {
 	// If this is empty and the message is not a commit, a response will be
 	// returned with the current write state.
 	bytes data = 6;
+
+	// Labels are arbitrary data to set on commit.
+	map<string, string> labels  = 7;
 }
 
 // WriteContentResponse is returned on the culmination of a write call.

vendor/github.com/containerd/containerd/api/types/task/task.pb.go

@@ -17,6 +17,11 @@ import proto "github.com/gogo/protobuf/proto"
 import fmt "fmt"
 import math "math"
 import _ "github.com/gogo/protobuf/gogoproto"
+import _ "github.com/gogo/protobuf/types"
+
+import time "time"
+
+import github_com_gogo_protobuf_types "github.com/gogo/protobuf/types"
 
 import strings "strings"
 import reflect "reflect"
@@ -27,6 +32,7 @@ import io "io"
 var _ = proto.Marshal
 var _ = fmt.Errorf
 var _ = math.Inf
+var _ = time.Kitchen
 
 // This is a compile-time assertion to ensure that this generated file
 // is compatible with the proto package it is being compiled against.
@@ -68,15 +74,16 @@ func (x Status) String() string {
 func (Status) EnumDescriptor() ([]byte, []int) { return fileDescriptorTask, []int{0} }
 
 type Process struct {
-	ContainerID string `protobuf:"bytes,1,opt,name=container_id,json=containerId,proto3" json:"container_id,omitempty"`
+	ContainerID string    `protobuf:"bytes,1,opt,name=container_id,json=containerId,proto3" json:"container_id,omitempty"`
-	ID          string `protobuf:"bytes,2,opt,name=id,proto3" json:"id,omitempty"`
+	ID          string    `protobuf:"bytes,2,opt,name=id,proto3" json:"id,omitempty"`
-	Pid         uint32 `protobuf:"varint,3,opt,name=pid,proto3" json:"pid,omitempty"`
+	Pid         uint32    `protobuf:"varint,3,opt,name=pid,proto3" json:"pid,omitempty"`
-	Status      Status `protobuf:"varint,4,opt,name=status,proto3,enum=containerd.v1.types.Status" json:"status,omitempty"`
+	Status      Status    `protobuf:"varint,4,opt,name=status,proto3,enum=containerd.v1.types.Status" json:"status,omitempty"`
-	Stdin       string `protobuf:"bytes,5,opt,name=stdin,proto3" json:"stdin,omitempty"`
+	Stdin       string    `protobuf:"bytes,5,opt,name=stdin,proto3" json:"stdin,omitempty"`
-	Stdout      string `protobuf:"bytes,6,opt,name=stdout,proto3" json:"stdout,omitempty"`
+	Stdout      string    `protobuf:"bytes,6,opt,name=stdout,proto3" json:"stdout,omitempty"`
-	Stderr      string `protobuf:"bytes,7,opt,name=stderr,proto3" json:"stderr,omitempty"`
+	Stderr      string    `protobuf:"bytes,7,opt,name=stderr,proto3" json:"stderr,omitempty"`
-	Terminal    bool   `protobuf:"varint,8,opt,name=terminal,proto3" json:"terminal,omitempty"`
+	Terminal    bool      `protobuf:"varint,8,opt,name=terminal,proto3" json:"terminal,omitempty"`
-	ExitStatus  uint32 `protobuf:"varint,9,opt,name=exit_status,json=exitStatus,proto3" json:"exit_status,omitempty"`
+	ExitStatus  uint32    `protobuf:"varint,9,opt,name=exit_status,json=exitStatus,proto3" json:"exit_status,omitempty"`
+	ExitedAt    time.Time `protobuf:"bytes,10,opt,name=exited_at,json=exitedAt,stdtime" json:"exited_at"`
 }
 
 func (m *Process) Reset()                    { *m = Process{} }
@@ -157,6 +164,14 @@ func (m *Process) MarshalTo(dAtA []byte) (int, error) {
 		i++
 		i = encodeVarintTask(dAtA, i, uint64(m.ExitStatus))
 	}
+	dAtA[i] = 0x52
+	i++
+	i = encodeVarintTask(dAtA, i, uint64(github_com_gogo_protobuf_types.SizeOfStdTime(m.ExitedAt)))
+	n1, err := github_com_gogo_protobuf_types.StdTimeMarshalTo(m.ExitedAt, dAtA[i:])
+	if err != nil {
+		return 0, err
+	}
+	i += n1
 	return i, nil
 }
 
@@ -222,6 +237,8 @@ func (m *Process) Size() (n int) {
 	if m.ExitStatus != 0 {
 		n += 1 + sovTask(uint64(m.ExitStatus))
 	}
+	l = github_com_gogo_protobuf_types.SizeOfStdTime(m.ExitedAt)
+	n += 1 + l + sovTask(uint64(l))
 	return n
 }
 
@@ -252,6 +269,7 @@ func (this *Process) String() string {
 		`Stderr:` + fmt.Sprintf("%v", this.Stderr) + `,`,
 		`Terminal:` + fmt.Sprintf("%v", this.Terminal) + `,`,
 		`ExitStatus:` + fmt.Sprintf("%v", this.ExitStatus) + `,`,
+		`ExitedAt:` + strings.Replace(strings.Replace(this.ExitedAt.String(), "Timestamp", "google_protobuf1.Timestamp", 1), `&`, ``, 1) + `,`,
 		`}`,
 	}, "")
 	return s
@@ -515,6 +533,36 @@ func (m *Process) Unmarshal(dAtA []byte) error {
 					break
 				}
 			}
+		case 10:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field ExitedAt", wireType)
+			}
+			var msglen int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowTask
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				msglen |= (int(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			if msglen < 0 {
+				return ErrInvalidLengthTask
+			}
+			postIndex := iNdEx + msglen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			if err := github_com_gogo_protobuf_types.StdTimeUnmarshal(&m.ExitedAt, dAtA[iNdEx:postIndex]); err != nil {
+				return err
+			}
+			iNdEx = postIndex
 		default:
 			iNdEx = preIndex
 			skippy, err := skipTask(dAtA[iNdEx:])
@@ -646,33 +694,37 @@ func init() {
 }
 
 var fileDescriptorTask = []byte{
-	// 447 bytes of a gzipped FileDescriptorProto
+	// 503 bytes of a gzipped FileDescriptorProto
-	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0x6c, 0x92, 0x4f, 0x6f, 0xd3, 0x30,
+	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0x6c, 0x90, 0x3d, 0x6f, 0xd3, 0x40,
-	0x18, 0xc6, 0xeb, 0x74, 0x4d, 0x3b, 0x77, 0x1b, 0xc1, 0x4c, 0x93, 0x55, 0x90, 0x1b, 0x71, 0xaa,
+	0x1c, 0xc6, 0x73, 0x6e, 0xe3, 0x24, 0x97, 0xb6, 0x98, 0xa3, 0xaa, 0x2c, 0x83, 0x6c, 0x8b, 0x29,
-	0x38, 0xa4, 0x62, 0xbb, 0x71, 0xdb, 0x9a, 0x0a, 0x55, 0x48, 0x59, 0xe4, 0xae, 0xe2, 0x38, 0x65,
+	0x62, 0xb0, 0x45, 0xba, 0xb1, 0xe5, 0x4d, 0x28, 0x42, 0x72, 0xa3, 0x4b, 0x22, 0xc6, 0xc8, 0xc9,
-	0xb5, 0x15, 0xac, 0x31, 0x3b, 0x72, 0x1c, 0xfe, 0xdc, 0x38, 0xa2, 0x7d, 0x87, 0x89, 0x03, 0x7c,
+	0x1d, 0xe6, 0xd4, 0xe6, 0xce, 0xb2, 0xcf, 0xbc, 0x6c, 0x8c, 0xa8, 0x13, 0x5f, 0xa0, 0x13, 0x7c,
-	0x0a, 0x3e, 0xc1, 0x8e, 0x9c, 0x10, 0xa7, 0x89, 0xe5, 0x93, 0x20, 0x27, 0xa1, 0xe4, 0xc0, 0x25,
+	0x0a, 0x3e, 0x41, 0x46, 0x26, 0xc4, 0x14, 0xa8, 0x3f, 0x09, 0x3a, 0xdb, 0x09, 0x19, 0x58, 0xac,
-	0x7a, 0xde, 0xe7, 0xf7, 0xbc, 0x6f, 0x9e, 0x48, 0x81, 0x2f, 0x52, 0x61, 0xde, 0x14, 0x17, 0xc1,
+	0x7b, 0x9e, 0xdf, 0x73, 0x8f, 0xff, 0xf7, 0x87, 0x2f, 0x22, 0x26, 0xdf, 0x66, 0x4b, 0x6f, 0x25,
-	0x5a, 0x5d, 0x4d, 0xd7, 0x4a, 0x9a, 0x44, 0x48, 0xae, 0x59, 0x5b, 0x26, 0x99, 0x98, 0x9a, 0x8f,
+	0xd6, 0xfe, 0x4a, 0x70, 0x19, 0x32, 0x4e, 0x13, 0x72, 0x78, 0x0c, 0x63, 0xe6, 0xcb, 0x8f, 0x31,
-	0x19, 0xcf, 0xa7, 0x26, 0xc9, 0x2f, 0xab, 0x47, 0x90, 0x69, 0x65, 0x14, 0x7a, 0xf4, 0x2f, 0x15,
+	0x4d, 0x7d, 0x19, 0xa6, 0xd7, 0xc5, 0xc7, 0x8b, 0x13, 0x21, 0x05, 0x7a, 0xf4, 0x2f, 0xe5, 0xbd,
-	0xbc, 0x7b, 0x1e, 0x54, 0xa1, 0xd1, 0x7e, 0xaa, 0x52, 0x55, 0xf1, 0xa9, 0x55, 0x75, 0xf4, 0xe9,
+	0x7b, 0xee, 0x15, 0x21, 0xeb, 0x3c, 0x12, 0x91, 0x28, 0xb8, 0xaf, 0x4e, 0x65, 0xd4, 0x72, 0x22,
-	0x17, 0x07, 0xf6, 0x63, 0xad, 0xd6, 0x3c, 0xcf, 0xd1, 0x21, 0xdc, 0xd9, 0x2c, 0x9e, 0x0b, 0x86,
+	0x21, 0xa2, 0x1b, 0xea, 0x17, 0x6a, 0x99, 0xbd, 0xf1, 0x25, 0x5b, 0xd3, 0x54, 0x86, 0xeb, 0xb8,
-	0x81, 0x0f, 0x26, 0xdb, 0x27, 0x0f, 0xca, 0xbb, 0xf1, 0x70, 0xf6, 0xd7, 0x5f, 0x84, 0x74, 0xb8,
+	0x0c, 0x3c, 0xcd, 0x35, 0xd8, 0x98, 0x24, 0x62, 0x45, 0xd3, 0x14, 0x75, 0xe1, 0xc9, 0xbe, 0x79,
-	0x09, 0x2d, 0x18, 0x3a, 0x80, 0x8e, 0x60, 0xd8, 0xa9, 0x92, 0x6e, 0x79, 0x37, 0x76, 0x16, 0x21,
+	0xc1, 0x88, 0x09, 0x5c, 0xd0, 0x69, 0xf5, 0x1f, 0xe4, 0x5b, 0xa7, 0x3d, 0xd8, 0xf9, 0xe3, 0x21,
-	0x75, 0x04, 0x43, 0x1e, 0xec, 0x66, 0x82, 0xe1, 0xae, 0x0f, 0x26, 0xbb, 0xd4, 0x4a, 0x74, 0x04,
+	0x6e, 0xef, 0x43, 0x63, 0x82, 0x2e, 0xa0, 0xc6, 0x88, 0xa9, 0x15, 0x49, 0x3d, 0xdf, 0x3a, 0xda,
-	0xdd, 0xdc, 0x24, 0xa6, 0xc8, 0xf1, 0x96, 0x0f, 0x26, 0x7b, 0x87, 0x8f, 0x83, 0xff, 0xb4, 0x0c,
+	0x78, 0x88, 0x35, 0x46, 0x90, 0x01, 0x8f, 0x62, 0x46, 0xcc, 0x23, 0x17, 0x74, 0x4e, 0xb1, 0x3a,
-	0x96, 0x55, 0x84, 0x36, 0x51, 0xb4, 0x0f, 0x7b, 0xb9, 0x61, 0x42, 0xe2, 0x9e, 0x7d, 0x03, 0xad,
+	0xa2, 0x4b, 0xa8, 0xa7, 0x32, 0x94, 0x59, 0x6a, 0x1e, 0xbb, 0xa0, 0x73, 0xd6, 0x7d, 0xec, 0xfd,
-	0x07, 0x74, 0x60, 0x4f, 0x31, 0x55, 0x18, 0xec, 0x56, 0x76, 0x33, 0x35, 0x3e, 0xd7, 0x1a, 0xf7,
+	0xe7, 0x19, 0xde, 0xb4, 0x88, 0xe0, 0x2a, 0x8a, 0xce, 0x61, 0x3d, 0x95, 0x84, 0x71, 0xb3, 0xae,
-	0x37, 0x3e, 0xd7, 0x1a, 0x8d, 0xe0, 0xc0, 0x70, 0x7d, 0x25, 0x64, 0xf2, 0x16, 0x0f, 0x7c, 0x30,
+	0xfe, 0x80, 0x4b, 0x81, 0x2e, 0x54, 0x15, 0x11, 0x99, 0x34, 0xf5, 0xc2, 0xae, 0x54, 0xe5, 0xd3,
-	0x19, 0xd0, 0xcd, 0x8c, 0xc6, 0x70, 0xc8, 0x3f, 0x08, 0x73, 0xde, 0x74, 0xdb, 0xae, 0x0a, 0x43,
+	0x24, 0x31, 0x1b, 0x7b, 0x9f, 0x26, 0x09, 0xb2, 0x60, 0x53, 0xd2, 0x64, 0xcd, 0x78, 0x78, 0x63,
-	0x6b, 0xd5, 0x55, 0x9e, 0xfd, 0x04, 0xd0, 0xad, 0x25, 0x22, 0xb0, 0xbf, 0x8a, 0x5e, 0x45, 0xa7,
+	0x36, 0x5d, 0xd0, 0x69, 0xe2, 0xbd, 0x46, 0x0e, 0x6c, 0xd3, 0x0f, 0x4c, 0x2e, 0xaa, 0xd9, 0x5a,
-	0xaf, 0x23, 0xaf, 0x33, 0x7a, 0x78, 0x7d, 0xe3, 0xef, 0xd6, 0x60, 0x25, 0x2f, 0xa5, 0x7a, 0x2f,
+	0xc5, 0xc0, 0x50, 0x59, 0xe5, 0x28, 0xa8, 0x07, 0x5b, 0x4a, 0x51, 0xb2, 0x08, 0xa5, 0x09, 0x5d,
-	0x2d, 0x9f, 0xd1, 0xf9, 0xf1, 0xd9, 0x3c, 0xf4, 0x40, 0x9b, 0xcf, 0x34, 0x4f, 0x0c, 0x67, 0x96,
+	0xd0, 0x69, 0x77, 0x2d, 0xaf, 0x5c, 0xab, 0xb7, 0x5b, 0xab, 0x37, 0xdb, 0xad, 0xb5, 0xdf, 0xdc,
-	0xd3, 0x55, 0x14, 0x2d, 0xa2, 0x97, 0x9e, 0xd3, 0xe6, 0xb4, 0x90, 0x52, 0xc8, 0xd4, 0xf2, 0xe5,
+	0x6c, 0x9d, 0xda, 0x97, 0xdf, 0x0e, 0xc0, 0xcd, 0xf2, 0x5a, 0x4f, 0x3e, 0xfb, 0x09, 0xa0, 0x5e,
-	0xd9, 0x69, 0x1c, 0xcf, 0x43, 0xaf, 0xdb, 0xe6, 0x4b, 0xa3, 0xb2, 0x8c, 0x33, 0xf4, 0x04, 0xba,
+	0xb5, 0xd9, 0xb0, 0x31, 0x0f, 0x5e, 0x05, 0x57, 0xaf, 0x03, 0xa3, 0x66, 0x3d, 0xbc, 0xbd, 0x73,
-	0xf1, 0xf1, 0x6a, 0x39, 0x0f, 0xbd, 0xad, 0x91, 0x77, 0x7d, 0xe3, 0xef, 0xd4, 0x38, 0x4e, 0x8a,
+	0x4f, 0x4b, 0x30, 0xe7, 0xd7, 0x5c, 0xbc, 0xe7, 0x8a, 0x0f, 0xf0, 0xa8, 0x37, 0x1b, 0x0d, 0x0d,
-	0xbc, 0xbe, 0x6e, 0xa9, 0xbd, 0xde, 0x6b, 0x6f, 0x5b, 0x2c, 0x64, 0x3a, 0xda, 0xfb, 0xfc, 0x95,
+	0x70, 0xc8, 0x07, 0x09, 0x0d, 0x25, 0x25, 0x8a, 0xe3, 0x79, 0x10, 0x8c, 0x83, 0x97, 0x86, 0x76,
-	0x74, 0xbe, 0x7f, 0x23, 0xcd, 0xd7, 0x9c, 0xe0, 0xdb, 0x7b, 0xd2, 0xf9, 0x75, 0x4f, 0x3a, 0x9f,
+	0xc8, 0x71, 0xc6, 0x39, 0xe3, 0x91, 0xe2, 0xd3, 0xd9, 0xd5, 0x64, 0x32, 0x1a, 0x1a, 0x47, 0x87,
-	0x4a, 0x02, 0x6e, 0x4b, 0x02, 0x7e, 0x94, 0x04, 0xfc, 0x2e, 0x09, 0xb8, 0x70, 0xab, 0x7f, 0xe3,
+	0x7c, 0x2a, 0x45, 0x1c, 0x53, 0x82, 0x9e, 0x40, 0x7d, 0xd2, 0x9b, 0x4f, 0x47, 0x43, 0xe3, 0xd8,
-	0xe8, 0x4f, 0x00, 0x00, 0x00, 0xff, 0xff, 0xf6, 0x46, 0x63, 0xaf, 0x84, 0x02, 0x00, 0x00,
+	0x32, 0x6e, 0xef, 0xdc, 0x93, 0x12, 0x4f, 0xc2, 0x2c, 0x2d, 0xdb, 0x15, 0x55, 0xed, 0xf5, 0xc3,
+	0xdb, 0x0a, 0x33, 0x1e, 0x59, 0x67, 0x9f, 0xbf, 0xda, 0xb5, 0xef, 0xdf, 0xec, 0xea, 0x35, 0x7d,
+	0x73, 0x73, 0x6f, 0xd7, 0x7e, 0xdd, 0xdb, 0xb5, 0x4f, 0xb9, 0x0d, 0x36, 0xb9, 0x0d, 0x7e, 0xe4,
+	0x36, 0xf8, 0x93, 0xdb, 0x60, 0xa9, 0x17, 0xab, 0xb9, 0xfc, 0x1b, 0x00, 0x00, 0xff, 0xff, 0x14,
+	0xf3, 0xee, 0x85, 0xe8, 0x02, 0x00, 0x00,
 }

vendor/github.com/containerd/containerd/api/types/task/task.proto

@@ -3,6 +3,7 @@ syntax = "proto3";
 package containerd.v1.types;
 
 import "gogoproto/gogo.proto";
+import "google/protobuf/timestamp.proto";
 
 enum Status {
 	option (gogoproto.goproto_enum_prefix) = false;
@@ -26,4 +27,5 @@ message Process {
 	string stderr = 7;
 	bool terminal = 8;
 	uint32 exit_status = 9;
+	google.protobuf.Timestamp exited_at = 10 [(gogoproto.stdtime) = true, (gogoproto.nullable) = false];
 }

vendor/github.com/containerd/containerd/client.go

@@ -192,6 +192,7 @@ func defaultRemoteContext() *RemoteContext {
 		Resolver: docker.NewResolver(docker.ResolverOptions{
 			Client: http.DefaultClient,
 		}),
+		Snapshotter: DefaultSnapshotter,
 	}
 }
 

vendor/github.com/containerd/containerd/container.go

@@ -174,6 +174,10 @@ func (c *container) NewTask(ctx context.Context, ioCreate IOCreation, opts ...Ne
 		Stderr:      cfg.Stderr,
 	}
 	if c.c.RootFS != "" {
+		if c.c.Snapshotter == "" {
+			return nil, errors.Wrapf(errdefs.ErrInvalidArgument, "unable to resolve rootfs mounts without snapshotter on container")
+		}
+
 		// get the rootfs from the snapshotter and add it to the request
 		mounts, err := c.client.SnapshotService(c.c.Snapshotter).Mounts(ctx, c.c.RootFS)
 		if err != nil {

vendor/github.com/containerd/containerd/container_opts.go

@@ -4,7 +4,9 @@ import (
 	"context"
 
 	"github.com/containerd/containerd/containers"
+	"github.com/containerd/containerd/errdefs"
 	"github.com/opencontainers/image-spec/identity"
+	"github.com/pkg/errors"
 )
 
 // NewContainerOpts allows the caller to set additional options when creating a container
@@ -38,6 +40,8 @@ func WithContainerLabels(labels map[string]string) NewContainerOpts {
 }
 
 // WithSnapshotter sets the provided snapshotter for use by the container
+//
+// This option must appear before other snapshotter options to have an effect.
 func WithSnapshotter(name string) NewContainerOpts {
 	return func(ctx context.Context, client *Client, c *containers.Container) error {
 		c.Snapshotter = name
@@ -48,6 +52,7 @@ func WithSnapshotter(name string) NewContainerOpts {
 // WithSnapshot uses an existing root filesystem for the container
 func WithSnapshot(id string) NewContainerOpts {
 	return func(ctx context.Context, client *Client, c *containers.Container) error {
+		setSnapshotterIfEmpty(c)
 		// check that the snapshot exists, if not, fail on creation
 		if _, err := client.SnapshotService(c.Snapshotter).Mounts(ctx, id); err != nil {
 			return err
@@ -65,6 +70,7 @@ func WithNewSnapshot(id string, i Image) NewContainerOpts {
 		if err != nil {
 			return err
 		}
+		setSnapshotterIfEmpty(c)
 		if _, err := client.SnapshotService(c.Snapshotter).Prepare(ctx, id, identity.ChainID(diffIDs).String()); err != nil {
 			return err
 		}
@@ -77,6 +83,9 @@ func WithNewSnapshot(id string, i Image) NewContainerOpts {
 // WithSnapshotCleanup deletes the rootfs allocated for the container
 func WithSnapshotCleanup(ctx context.Context, client *Client, c containers.Container) error {
 	if c.RootFS != "" {
+		if c.Snapshotter == "" {
+			return errors.Wrapf(errdefs.ErrInvalidArgument, "container.Snapshotter must be set to cleanup rootfs")
+		}
 		return client.SnapshotService(c.Snapshotter).Remove(ctx, c.RootFS)
 	}
 	return nil
@@ -90,6 +99,7 @@ func WithNewSnapshotView(id string, i Image) NewContainerOpts {
 		if err != nil {
 			return err
 		}
+		setSnapshotterIfEmpty(c)
 		if _, err := client.SnapshotService(c.Snapshotter).View(ctx, id, identity.ChainID(diffIDs).String()); err != nil {
 			return err
 		}
@@ -98,3 +108,9 @@ func WithNewSnapshotView(id string, i Image) NewContainerOpts {
 		return nil
 	}
 }
+
+func setSnapshotterIfEmpty(c *containers.Container) {
+	if c.Snapshotter == "" {
+		c.Snapshotter = DefaultSnapshotter
+	}
+}

vendor/github.com/containerd/containerd/container_opts_unix.go

@@ -46,6 +46,7 @@ func WithCheckpoint(desc v1.Descriptor, rootfsID string) NewContainerOpts {
 				if err != nil {
 					return err
 				}
+				setSnapshotterIfEmpty(c)
 				if _, err := client.SnapshotService(c.Snapshotter).Prepare(ctx, rootfsID, identity.ChainID(diffIDs).String()); err != nil {
 					if !errdefs.IsAlreadyExists(err) {
 						return err

vendor/github.com/containerd/containerd/containers/containers.go

@@ -12,15 +12,51 @@ import (
 //
 // The resources specified in this object are used to create tasks from the container.
 type Container struct {
-	ID          string
+	// ID uniquely identifies the container in a nameapace.
-	Labels      map[string]string
+	//
-	Image       string
+	// This property is required and cannot be changed after creation.
-	Runtime     RuntimeInfo
+	ID string
-	Spec        *types.Any
+
-	RootFS      string
+	// Labels provide metadata extension for a contaienr.
+	//
+	// These are optional and fully mutable.
+	Labels map[string]string
+
+	// Image specifies the image reference used for a container.
+	//
+	// This property is optional but immutable.
+	Image string
+
+	// Runtime specifies which runtime should be used when launching container
+	// tasks.
+	//
+	// This property is required and immutable.
+	Runtime RuntimeInfo
+
+	// Spec should carry the the runtime specification used to implement the
+	// container.
+	//
+	// This field is required but mutable.
+	Spec *types.Any
+
+	// 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
+	// task create request.
+	//
+	// This field is not required but immutable.
+	RootFS string
+
+	// Snapshotter specifies the snapshotter name used for rootfs
+	//
+	// This field is not required but immutable.
 	Snapshotter string
-	CreatedAt   time.Time
+
-	UpdatedAt   time.Time
+	// CreatedAt is the time at which the container was created.
+	CreatedAt time.Time
+
+	// UpdatedAt is the time at which the container was updated.
+	UpdatedAt time.Time
 }
 
 type RuntimeInfo struct {
@@ -34,6 +70,7 @@ type Store interface {
 	// List returns containers that match one or more of the provided filters.
 	List(ctx context.Context, filters ...string) ([]Container, error)
 
+	// Create a container in the store from the provided container.
 	Create(ctx context.Context, container Container) (Container, error)
 
 	// Update the container with the provided container object. ID must be set.
@@ -42,5 +79,9 @@ type Store interface {
 	// the fieldpaths will be mutated.
 	Update(ctx context.Context, container Container, fieldpaths ...string) (Container, error)
 
+	// Delete a container using the id.
+	//
+	// nil will be returned on success. If the container is not known to the
+	// store, ErrNotFound will be returned.
 	Delete(ctx context.Context, id string) error
 }

vendor/github.com/containerd/containerd/content/content.go

@@ -90,7 +90,7 @@ type Writer interface {
 
 	// Commit commits the blob (but no roll-back is guaranteed on an error).
 	// size and expected can be zero-value when unknown.
-	Commit(size int64, expected digest.Digest) error
+	Commit(size int64, expected digest.Digest, opts ...Opt) error
 
 	// Status returns the current state of write
 	Status() (Status, error)
@@ -107,3 +107,13 @@ type Store interface {
 	IngestManager
 	Ingester
 }
+
+// Opt is used to alter the mutable properties of content
+type Opt func(*Info) error
+
+func WithLabels(labels map[string]string) Opt {
+	return func(info *Info) error {
+		info.Labels = labels
+		return nil
+	}
+}

vendor/github.com/containerd/containerd/errdefs/errors.go

@@ -26,6 +26,7 @@ var (
 	ErrAlreadyExists      = errors.New("already exists")
 	ErrFailedPrecondition = errors.New("failed precondition")
 	ErrUnavailable        = errors.New("unavailable")
+	ErrNotSupported       = errors.New("not supported") // represents not supported and unimplemented
 )
 
 func IsInvalidArgument(err error) bool {
@@ -52,3 +53,7 @@ func IsFailedPrecondition(err error) bool {
 func IsUnavailable(err error) bool {
 	return errors.Cause(err) == ErrUnavailable
 }
+
+func IsNotSupported(err error) bool {
+	return errors.Cause(err) == ErrNotSupported
+}

vendor/github.com/containerd/containerd/errdefs/grpc.go

@@ -38,6 +38,8 @@ func ToGRPC(err error) error {
 		return grpc.Errorf(codes.FailedPrecondition, err.Error())
 	case IsUnavailable(err):
 		return grpc.Errorf(codes.Unavailable, err.Error())
+	case IsNotSupported(err):
+		return grpc.Errorf(codes.Unimplemented, err.Error())
 	}
 
 	return err
@@ -69,17 +71,17 @@ func FromGRPC(err error) error {
 		cls = ErrUnavailable
 	case codes.FailedPrecondition:
 		cls = ErrFailedPrecondition
+	case codes.Unimplemented:
+		cls = ErrNotSupported
 	default:
 		cls = ErrUnknown
 	}
 
-	if cls != nil {
+	msg := rebaseMessage(cls, err)
-		msg := rebaseMessage(cls, err)
+	if msg != "" {
-		if msg != "" {
+		err = errors.Wrapf(cls, msg)
-			err = errors.Wrapf(cls, msg)
+	} else {
-		} else {
+		err = errors.WithStack(cls)
-			err = cls
-		}
 	}
 
 	return err

vendor/github.com/containerd/containerd/images/image.go

@@ -67,6 +67,11 @@ func (image *Image) Size(ctx context.Context, provider content.Provider) (int64,
 	}), ChildrenHandler(provider)), image.Target)
 }
 
+// Config resolves the image configuration descriptor using a content provided
+// to resolve child resources on the image.
+//
+// The caller can then use the descriptor to resolve and process the
+// configuration of the image.
 func Config(ctx context.Context, provider content.Provider, image ocispec.Descriptor) (ocispec.Descriptor, error) {
 	var configDesc ocispec.Descriptor
 	return configDesc, Walk(ctx, HandlerFunc(func(ctx context.Context, desc ocispec.Descriptor) ([]ocispec.Descriptor, error) {

vendor/github.com/containerd/containerd/io.go

@@ -24,7 +24,6 @@ type IOConfig struct {
 type IO interface {
 	// Config returns the IO configuration.
 	Config() IOConfig
-
 	// Cancel aborts all current io operations
 	Cancel()
 	// Wait blocks until all io copy operations have completed

vendor/github.com/containerd/containerd/io_unix.go

@@ -88,3 +88,85 @@ func copyIO(fifos *FIFOSet, ioset *ioSet, tty bool) (_ *wgCloser, err error) {
 		cancel: cancel,
 	}, nil
 }
+
+// NewDirectIO returns an IO implementation that exposes the pipes directly
+func NewDirectIO(ctx context.Context, terminal bool) (*DirectIO, error) {
+	set, err := NewFifos("")
+	if err != nil {
+		return nil, err
+	}
+	f := &DirectIO{
+		set:      set,
+		terminal: terminal,
+	}
+	defer func() {
+		if err != nil {
+			f.Delete()
+		}
+	}()
+	if f.Stdin, err = fifo.OpenFifo(ctx, set.In, syscall.O_WRONLY|syscall.O_CREAT|syscall.O_NONBLOCK, 0700); err != nil {
+		return nil, err
+	}
+	if f.Stdout, err = fifo.OpenFifo(ctx, set.Out, syscall.O_RDONLY|syscall.O_CREAT|syscall.O_NONBLOCK, 0700); err != nil {
+		f.Stdin.Close()
+		return nil, err
+	}
+	if f.Stderr, err = fifo.OpenFifo(ctx, set.Err, syscall.O_RDONLY|syscall.O_CREAT|syscall.O_NONBLOCK, 0700); err != nil {
+		f.Stdin.Close()
+		f.Stdout.Close()
+		return nil, err
+	}
+	return f, nil
+}
+
+type DirectIO struct {
+	Stdin  io.WriteCloser
+	Stdout io.ReadCloser
+	Stderr io.ReadCloser
+
+	set      *FIFOSet
+	terminal bool
+}
+
+func (f *DirectIO) IOCreate(id string) (IO, error) {
+	return f, nil
+}
+
+func (f *DirectIO) IOAttach(set *FIFOSet) (IO, error) {
+	return f, nil
+}
+
+func (f *DirectIO) Config() IOConfig {
+	return IOConfig{
+		Terminal: f.terminal,
+		Stdin:    f.set.In,
+		Stdout:   f.set.Out,
+		Stderr:   f.set.Err,
+	}
+}
+
+func (f *DirectIO) Cancel() {
+	// nothing to cancel as all operations are handled externally
+}
+
+func (f *DirectIO) Wait() {
+	// nothing to wait on as all operations are handled externally
+}
+
+func (f *DirectIO) Close() error {
+	err := f.Stdin.Close()
+	if err2 := f.Stdout.Close(); err == nil {
+		err = err2
+	}
+	if err2 := f.Stderr.Close(); err == nil {
+		err = err2
+	}
+	return err
+}
+
+func (f *DirectIO) Delete() error {
+	if f.set.Dir == "" {
+		return nil
+	}
+	return os.RemoveAll(f.set.Dir)
+}

vendor/github.com/containerd/containerd/metadata/buckets.go

@@ -38,17 +38,18 @@ var (
 	bucketKeyObjectBlob       = []byte("blob")       // stores content links
 	bucketKeyObjectIngest     = []byte("ingest")     // stores ingest links
 
-	bucketKeyDigest    = []byte("digest")
+	bucketKeyDigest      = []byte("digest")
-	bucketKeyMediaType = []byte("mediatype")
+	bucketKeyMediaType   = []byte("mediatype")
-	bucketKeySize      = []byte("size")
+	bucketKeySize        = []byte("size")
-	bucketKeyImage     = []byte("image")
+	bucketKeyImage       = []byte("image")
-	bucketKeyRuntime   = []byte("runtime")
+	bucketKeyRuntime     = []byte("runtime")
-	bucketKeyName      = []byte("name")
+	bucketKeyName        = []byte("name")
-	bucketKeyParent    = []byte("parent")
+	bucketKeyParent      = []byte("parent")
-	bucketKeyOptions   = []byte("options")
+	bucketKeyOptions     = []byte("options")
-	bucketKeySpec      = []byte("spec")
+	bucketKeySpec        = []byte("spec")
-	bucketKeyRootFS    = []byte("rootfs")
+	bucketKeyRootFS      = []byte("rootfs")
-	bucketKeyTarget    = []byte("target")
+	bucketKeySnapshotter = []byte("snapshotter")
+	bucketKeyTarget      = []byte("target")
 )
 
 func getBucket(tx *bolt.Tx, keys ...[]byte) *bolt.Bucket {

vendor/github.com/containerd/containerd/metadata/containers.go

@@ -91,8 +91,8 @@ func (s *containerStore) Create(ctx context.Context, container containers.Contai
 		return containers.Container{}, err
 	}
 
-	if err := identifiers.Validate(container.ID); err != nil {
+	if err := validateContainer(&container); err != nil {
-		return containers.Container{}, err
+		return containers.Container{}, errors.Wrap(err, "create container failed validation")
 	}
 
 	bkt, err := createContainersBucket(s.tx, namespace)
@@ -144,37 +144,55 @@ func (s *containerStore) Update(ctx context.Context, container containers.Contai
 	createdat := updated.CreatedAt
 	updated.ID = container.ID
 
+	if len(fieldpaths) == 0 {
+		// only allow updates to these field on full replace.
+		fieldpaths = []string{"labels", "spec"}
+
+		// Fields that are immutable must cause an error when no field paths
+		// are provided. This allows these fields to become mutable in the
+		// future.
+		if updated.Image != container.Image {
+			return containers.Container{}, errors.Wrapf(errdefs.ErrInvalidArgument, "container.Image field is immutable")
+		}
+
+		if updated.RootFS != container.RootFS {
+			return containers.Container{}, errors.Wrapf(errdefs.ErrInvalidArgument, "container.RootFS field is immutable")
+		}
+
+		if updated.Snapshotter != container.Snapshotter {
+			return containers.Container{}, errors.Wrapf(errdefs.ErrInvalidArgument, "container.Snapshotter field is immutable")
+		}
+
+		if updated.Runtime.Name != container.Runtime.Name {
+			return containers.Container{}, errors.Wrapf(errdefs.ErrInvalidArgument, "container.Runtime.Name field is immutable")
+		}
+	}
+
 	// apply the field mask. If you update this code, you better follow the
 	// field mask rules in field_mask.proto. If you don't know what this
 	// is, do not update this code.
-	if len(fieldpaths) > 0 {
+	for _, path := range fieldpaths {
-		// TODO(stevvooe): Move this logic into the store itself.
+		if strings.HasPrefix(path, "labels.") {
-		for _, path := range fieldpaths {
+			if updated.Labels == nil {
-			if strings.HasPrefix(path, "labels.") {
+				updated.Labels = map[string]string{}
-				if updated.Labels == nil {
-					updated.Labels = map[string]string{}
-				}
-				key := strings.TrimPrefix(path, "labels.")
-				updated.Labels[key] = container.Labels[key]
-				continue
-			}
-
-			switch path {
-			case "labels":
-				updated.Labels = container.Labels
-			case "image":
-				updated.Image = container.Image
-			case "spec":
-				updated.Spec = container.Spec
-			case "rootfs":
-				updated.RootFS = container.RootFS
-			default:
-				return containers.Container{}, errors.Wrapf(errdefs.ErrInvalidArgument, "cannot update %q field on %q", path, container.ID)
 			}
+			key := strings.TrimPrefix(path, "labels.")
+			updated.Labels[key] = container.Labels[key]
+			continue
 		}
-	} else {
+
-		// no field mask present, just replace everything
+		switch path {
-		updated = container
+		case "labels":
+			updated.Labels = container.Labels
+		case "spec":
+			updated.Spec = container.Spec
+		default:
+			return containers.Container{}, errors.Wrapf(errdefs.ErrInvalidArgument, "cannot update %q field on %q", path, container.ID)
+		}
+	}
+
+	if err := validateContainer(&updated); err != nil {
+		return containers.Container{}, errors.Wrap(err, "update failed validation")
 	}
 
 	updated.CreatedAt = createdat
@@ -183,7 +201,7 @@ func (s *containerStore) Update(ctx context.Context, container containers.Contai
 		return containers.Container{}, errors.Wrap(err, "failed to write container")
 	}
 
-	return container, nil
+	return updated, nil
 }
 
 func (s *containerStore) Delete(ctx context.Context, id string) error {
@@ -203,6 +221,27 @@ func (s *containerStore) Delete(ctx context.Context, id string) error {
 	return err
 }
 
+func validateContainer(container *containers.Container) error {
+	if err := identifiers.Validate(container.ID); err != nil {
+		return errors.Wrapf(err, "container.ID validation error")
+	}
+
+	// labels and image have no validation
+	if container.Runtime.Name == "" {
+		return errors.Wrapf(errdefs.ErrInvalidArgument, "container.Runtime.Name must be set")
+	}
+
+	if container.Spec == nil {
+		return errors.Wrapf(errdefs.ErrInvalidArgument, "container.Spec must be set")
+	}
+
+	if container.RootFS != "" && container.Snapshotter == "" {
+		return errors.Wrapf(errdefs.ErrInvalidArgument, "container.Snapshotter must be set if container.RootFS is set")
+	}
+
+	return nil
+}
+
 func readContainer(container *containers.Container, bkt *bolt.Bucket) error {
 	labels, err := boltutil.ReadLabels(bkt)
 	if err != nil {
@@ -247,7 +286,8 @@ func readContainer(container *containers.Container, bkt *bolt.Bucket) error {
 			container.Spec = &any
 		case string(bucketKeyRootFS):
 			container.RootFS = string(v)
-
+		case string(bucketKeySnapshotter):
+			container.Snapshotter = string(v)
 		}
 
 		return nil
@@ -272,6 +312,7 @@ func writeContainer(bkt *bolt.Bucket, container *containers.Container) error {
 
 	for _, v := range [][2][]byte{
 		{bucketKeyImage, []byte(container.Image)},
+		{bucketKeySnapshotter, []byte(container.Snapshotter)},
 		{bucketKeyRootFS, []byte(container.RootFS)},
 	} {
 		if err := bkt.Put(v[0], v[1]); err != nil {

vendor/github.com/containerd/containerd/metadata/content.go

@@ -170,7 +170,7 @@ func (cs *contentStore) Delete(ctx context.Context, dgst digest.Digest) error {
 
 		// Just remove local reference, garbage collector is responsible for
 		// cleaning up on disk content
-		return getBlobsBucket(tx, ns).Delete([]byte(dgst.String()))
+		return getBlobsBucket(tx, ns).DeleteBucket([]byte(dgst.String()))
 	})
 }
 
@@ -352,7 +352,7 @@ type namespacedWriter struct {
 	db        *bolt.DB
 }
 
-func (nw *namespacedWriter) Commit(size int64, expected digest.Digest) error {
+func (nw *namespacedWriter) Commit(size int64, expected digest.Digest, opts ...content.Opt) error {
 	return nw.db.Update(func(tx *bolt.Tx) error {
 		bkt := getIngestBucket(tx, nw.namespace)
 		if bkt != nil {
@@ -360,11 +360,17 @@ func (nw *namespacedWriter) Commit(size int64, expected digest.Digest) error {
 				return err
 			}
 		}
-		return nw.commit(tx, size, expected)
+		return nw.commit(tx, size, expected, opts...)
 	})
 }
 
-func (nw *namespacedWriter) commit(tx *bolt.Tx, size int64, expected digest.Digest) error {
+func (nw *namespacedWriter) commit(tx *bolt.Tx, size int64, expected digest.Digest, opts ...content.Opt) error {
+	var base content.Info
+	for _, opt := range opts {
+		if err := opt(&base); err != nil {
+			return err
+		}
+	}
 	status, err := nw.Writer.Status()
 	if err != nil {
 		return err
@@ -400,6 +406,9 @@ func (nw *namespacedWriter) commit(tx *bolt.Tx, size int64, expected digest.Dige
 	if err := boltutil.WriteTimestamps(bkt, commitTime, commitTime); err != nil {
 		return err
 	}
+	if err := boltutil.WriteLabels(bkt, base.Labels); err != nil {
+		return err
+	}
 	if err := bkt.Put(bucketKeySize, sizeEncoded); err != nil {
 		return err
 	}

vendor/github.com/containerd/containerd/metadata/snapshot.go

@@ -481,6 +481,9 @@ func (s *snapshotter) Walk(ctx context.Context, fn func(context.Context, snapsho
 		for _, pair := range pairs {
 			info, err := s.Snapshotter.Stat(ctx, pair.bkey)
 			if err != nil {
+				if errdefs.IsNotFound(err) {
+					continue
+				}
 				return err
 			}
 

vendor/github.com/containerd/containerd/process.go

@@ -4,6 +4,7 @@ import (
 	"context"
 	"strings"
 	"syscall"
+	"time"
 
 	eventsapi "github.com/containerd/containerd/api/services/events/v1"
 	"github.com/containerd/containerd/api/services/tasks/v1"
@@ -21,11 +22,11 @@ type Process interface {
 	// Start starts the process executing the user's defined binary
 	Start(context.Context) error
 	// Delete removes the process and any resources allocated returning the exit status
-	Delete(context.Context, ...ProcessDeleteOpts) (uint32, error)
+	Delete(context.Context, ...ProcessDeleteOpts) (*ExitStatus, error)
 	// Kill sends the provided signal to the process
 	Kill(context.Context, syscall.Signal) error
-	// Wait blocks until the process has exited returning the exit status
+	// Wait asynchronously waits for the process to exit, and sends the exit code to the returned channel
-	Wait(context.Context) (uint32, error)
+	Wait(context.Context) (<-chan ExitStatus, error)
 	// CloseIO allows various pipes to be closed on the process
 	CloseIO(context.Context, ...IOCloserOpts) error
 	// Resize changes the width and heigh of the process's terminal
@@ -36,6 +37,41 @@ type Process interface {
 	Status(context.Context) (Status, error)
 }
 
+// ExitStatus encapsulates a process' exit status.
+// It is used by `Wait()` to return either a process exit code or an error
+type ExitStatus struct {
+	code     uint32
+	exitedAt time.Time
+	err      error
+}
+
+// Result returns the exit code and time of the exit status.
+// An error may be returned here to which indicates there was an error
+//   at some point while waiting for the exit status. It does not signify
+//   an error with the process itself.
+// If an error is returned, the process may still be running.
+func (s ExitStatus) Result() (uint32, time.Time, error) {
+	return s.code, s.exitedAt, s.err
+}
+
+// ExitCode returns the exit code of the process.
+// This is only valid is Error() returns nil
+func (s ExitStatus) ExitCode() uint32 {
+	return s.code
+}
+
+// ExitTime returns the exit time of the process
+// This is only valid is Error() returns nil
+func (s ExitStatus) ExitTime() time.Time {
+	return s.exitedAt
+}
+
+// Error returns the error, if any, that occured while waiting for the
+// process.
+func (s ExitStatus) Error() error {
+	return s.err
+}
+
 type process struct {
 	id   string
 	task *task
@@ -79,39 +115,55 @@ func (p *process) Kill(ctx context.Context, s syscall.Signal) error {
 	return errdefs.FromGRPC(err)
 }
 
-func (p *process) Wait(ctx context.Context) (uint32, error) {
+func (p *process) Wait(ctx context.Context) (<-chan ExitStatus, error) {
 	cancellable, cancel := context.WithCancel(ctx)
-	defer cancel()
 	eventstream, err := p.task.client.EventService().Subscribe(cancellable, &eventsapi.SubscribeRequest{
 		Filters: []string{"topic==" + runtime.TaskExitEventTopic},
 	})
 	if err != nil {
-		return UnknownExitStatus, err
+		cancel()
+		return nil, err
 	}
 	// first check if the task has exited
 	status, err := p.Status(ctx)
 	if err != nil {
-		return UnknownExitStatus, errdefs.FromGRPC(err)
+		cancel()
+		return nil, errdefs.FromGRPC(err)
 	}
+
+	chStatus := make(chan ExitStatus, 1)
 	if status.Status == Stopped {
-		return status.ExitStatus, nil
+		cancel()
+		chStatus <- ExitStatus{code: status.ExitStatus, exitedAt: status.ExitTime}
+		return chStatus, nil
 	}
-	for {
+
-		evt, err := eventstream.Recv()
+	go func() {
-		if err != nil {
+		defer cancel()
-			return UnknownExitStatus, err
+		chStatus <- ExitStatus{} // signal that the goroutine is running
-		}
+		for {
-		if typeurl.Is(evt.Event, &eventsapi.TaskExit{}) {
+			evt, err := eventstream.Recv()
-			v, err := typeurl.UnmarshalAny(evt.Event)
 			if err != nil {
-				return UnknownExitStatus, err
+				chStatus <- ExitStatus{code: UnknownExitStatus, err: err}
+				return
 			}
-			e := v.(*eventsapi.TaskExit)
+			if typeurl.Is(evt.Event, &eventsapi.TaskExit{}) {
-			if e.ID == p.id && e.ContainerID == p.task.id {
+				v, err := typeurl.UnmarshalAny(evt.Event)
-				return e.ExitStatus, nil
+				if err != nil {
+					chStatus <- ExitStatus{code: UnknownExitStatus, err: err}
+					return
+				}
+				e := v.(*eventsapi.TaskExit)
+				if e.ID == p.id && e.ContainerID == p.task.id {
+					chStatus <- ExitStatus{code: e.ExitStatus, exitedAt: e.ExitedAt}
+					return
+				}
 			}
 		}
-	}
+	}()
+
+	<-chStatus // wait for the goroutine to be running
+	return chStatus, nil
 }
 
 func (p *process) CloseIO(ctx context.Context, opts ...IOCloserOpts) error {
@@ -142,31 +194,32 @@ func (p *process) Resize(ctx context.Context, w, h uint32) error {
 	return errdefs.FromGRPC(err)
 }
 
-func (p *process) Delete(ctx context.Context, opts ...ProcessDeleteOpts) (uint32, error) {
+func (p *process) Delete(ctx context.Context, opts ...ProcessDeleteOpts) (*ExitStatus, error) {
 	for _, o := range opts {
 		if err := o(ctx, p); err != nil {
-			return UnknownExitStatus, err
+			return nil, err
 		}
 	}
 	status, err := p.Status(ctx)
 	if err != nil {
-		return UnknownExitStatus, err
+		return nil, err
 	}
-	if status.Status != Stopped {
+	switch status.Status {
-		return UnknownExitStatus, errors.Wrapf(errdefs.ErrFailedPrecondition, "process must be stopped before deletion")
+	case Running, Paused, Pausing:
-	}
+		return nil, errors.Wrapf(errdefs.ErrFailedPrecondition, "process must be stopped before deletion")
-	if p.io != nil {
-		p.io.Wait()
-		p.io.Close()
 	}
 	r, err := p.task.client.TaskService().DeleteProcess(ctx, &tasks.DeleteProcessRequest{
 		ContainerID: p.task.id,
 		ExecID:      p.id,
 	})
 	if err != nil {
-		return UnknownExitStatus, errdefs.FromGRPC(err)
+		return nil, errdefs.FromGRPC(err)
 	}
-	return r.ExitStatus, nil
+	if p.io != nil {
+		p.io.Wait()
+		p.io.Close()
+	}
+	return &ExitStatus{code: r.ExitStatus, exitedAt: r.ExitedAt}, nil
 }
 
 func (p *process) Status(ctx context.Context) (Status, error) {

vendor/github.com/containerd/containerd/remotes/docker/pusher.go

@@ -215,7 +215,7 @@ func (pw *pushWriter) Digest() digest.Digest {
 	return pw.expected
 }
 
-func (pw *pushWriter) Commit(size int64, expected digest.Digest) error {
+func (pw *pushWriter) Commit(size int64, expected digest.Digest, opts ...content.Opt) error {
 	// Check whether read has already thrown an error
 	if _, err := pw.pipe.Write([]byte{}); err != nil && err != io.ErrClosedPipe {
 		return errors.Wrap(err, "pipe error before commit")

vendor/github.com/containerd/containerd/rootfs/diff.go

@@ -49,5 +49,5 @@ func Diff(ctx context.Context, snapshotID, contentRef string, sn snapshot.Snapsh
 		defer sn.Remove(ctx, lowerKey)
 	}
 
-	return md.DiffMounts(ctx, lower, upper, ocispec.MediaTypeImageLayer, contentRef)
+	return md.DiffMounts(ctx, lower, upper, ocispec.MediaTypeImageLayerGzip, contentRef)
 }

vendor/github.com/containerd/containerd/runtime/task.go

@@ -2,6 +2,7 @@ package runtime
 
 import (
 	"context"
+	"time"
 
 	"github.com/gogo/protobuf/types"
 )
@@ -77,10 +78,13 @@ type State struct {
 	// Pid is the main process id for the container
 	Pid uint32
 	// ExitStatus of the process
-	// Only vaid if the Status is Stopped
+	// Only valid if the Status is Stopped
 	ExitStatus uint32
-	Stdin      string
+	// ExitedAt is the time at which the process exited
-	Stdout     string
+	// Only valid if the Status is Stopped
-	Stderr     string
+	ExitedAt time.Time
-	Terminal   bool
+	Stdin    string
+	Stdout   string
+	Stderr   string
+	Terminal bool
 }

vendor/github.com/containerd/containerd/services/content/service.go

@@ -420,7 +420,11 @@ func (s *Service) Write(session api.Content_WriteServer) (err error) {
 			}
 
 			if req.Action == api.WriteActionCommit {
-				if err := wr.Commit(total, expected); err != nil {
+				var opts []content.Opt
+				if req.Labels != nil {
+					opts = append(opts, content.WithLabels(req.Labels))
+				}
+				if err := wr.Commit(total, expected, opts...); err != nil {
 					return err
 				}
 			}

vendor/github.com/containerd/containerd/services/content/writer.go

@@ -46,6 +46,7 @@ func (rw *remoteWriter) Status() (content.Status, error) {
 	return content.Status{
 		Ref:       rw.ref,
 		Offset:    resp.Offset,
+		Total:     resp.Total,
 		StartedAt: resp.StartedAt,
 		UpdatedAt: resp.UpdatedAt,
 	}, nil
@@ -79,12 +80,19 @@ func (rw *remoteWriter) Write(p []byte) (n int, err error) {
 	return
 }
 
-func (rw *remoteWriter) Commit(size int64, expected digest.Digest) error {
+func (rw *remoteWriter) Commit(size int64, expected digest.Digest, opts ...content.Opt) error {
+	var base content.Info
+	for _, opt := range opts {
+		if err := opt(&base); err != nil {
+			return err
+		}
+	}
 	resp, err := rw.send(&contentapi.WriteContentRequest{
 		Action:   contentapi.WriteActionCommit,
 		Total:    size,
 		Offset:   rw.offset,
 		Expected: expected,
+		Labels:   base.Labels,
 	})
 	if err != nil {
 		return errdefs.FromGRPC(err)

vendor/github.com/containerd/containerd/services/diff/service.go

@@ -6,10 +6,22 @@ import (
 	"github.com/containerd/containerd/errdefs"
 	"github.com/containerd/containerd/mount"
 	"github.com/containerd/containerd/plugin"
+	ocispec "github.com/opencontainers/image-spec/specs-go/v1"
+	"github.com/pkg/errors"
 	"golang.org/x/net/context"
 	"google.golang.org/grpc"
 )
 
+type config struct {
+	// Order is the order of preference in which to try diff algorithms, the
+	// first differ which is supported is used.
+	// Note when multiple differs may be supported, this order will be
+	// respected for which is choosen. Each differ should return the same
+	// correct output, allowing any ordering to be used to prefer
+	// more optimimal implementations.
+	Order []string `toml:"default,omitempty"`
+}
+
 func init() {
 	plugin.Register(&plugin.Registration{
 		Type: plugin.GRPCPlugin,
@@ -17,20 +29,34 @@ func init() {
 		Requires: []plugin.PluginType{
 			plugin.DiffPlugin,
 		},
+		Config: &config{
+			Order: []string{"walking"},
+		},
 		Init: func(ic *plugin.InitContext) (interface{}, error) {
-			d, err := ic.Get(plugin.DiffPlugin)
+			differs, err := ic.GetAll(plugin.DiffPlugin)
 			if err != nil {
 				return nil, err
 			}
+
+			orderedNames := ic.Config.(*config).Order
+			ordered := make([]plugin.Differ, len(orderedNames))
+			for i, n := range orderedNames {
+				differ, ok := differs[n]
+				if !ok {
+					return nil, errors.Errorf("needed differ not loaded: %s", n)
+				}
+				ordered[i] = differ.(plugin.Differ)
+			}
+
 			return &service{
-				diff: d.(plugin.Differ),
+				differs: ordered,
 			}, nil
 		},
 	})
 }
 
 type service struct {
-	diff plugin.Differ
+	differs []plugin.Differ
 }
 
 func (s *service) Register(gs *grpc.Server) error {
@@ -39,12 +65,20 @@ func (s *service) Register(gs *grpc.Server) error {
 }
 
 func (s *service) Apply(ctx context.Context, er *diffapi.ApplyRequest) (*diffapi.ApplyResponse, error) {
-	desc := toDescriptor(er.Diff)
+	var (
-	// TODO: Check for supported media types
+		ocidesc ocispec.Descriptor
+		err     error
+		desc    = toDescriptor(er.Diff)
+		mounts  = toMounts(er.Mounts)
+	)
 
-	mounts := toMounts(er.Mounts)
+	for _, differ := range s.differs {
+		ocidesc, err = differ.Apply(ctx, desc, mounts)
+		if !errdefs.IsNotSupported(err) {
+			break
+		}
+	}
 
-	ocidesc, err := s.diff.Apply(ctx, desc, mounts)
 	if err != nil {
 		return nil, errdefs.ToGRPC(err)
 	}
@@ -56,10 +90,19 @@ func (s *service) Apply(ctx context.Context, er *diffapi.ApplyRequest) (*diffapi
 }
 
 func (s *service) Diff(ctx context.Context, dr *diffapi.DiffRequest) (*diffapi.DiffResponse, error) {
-	aMounts := toMounts(dr.Left)
+	var (
-	bMounts := toMounts(dr.Right)
+		ocidesc ocispec.Descriptor
+		err     error
+		aMounts = toMounts(dr.Left)
+		bMounts = toMounts(dr.Right)
+	)
 
-	ocidesc, err := s.diff.DiffMounts(ctx, aMounts, bMounts, dr.MediaType, dr.Ref)
+	for _, differ := range s.differs {
+		ocidesc, err = differ.DiffMounts(ctx, aMounts, bMounts, dr.MediaType, dr.Ref)
+		if !errdefs.IsNotSupported(err) {
+			break
+		}
+	}
 	if err != nil {
 		return nil, errdefs.ToGRPC(err)
 	}

vendor/github.com/containerd/containerd/services/snapshot/default_linux.go

@@ -1,5 +0,0 @@
-package snapshot
-
-const (
-	defaultSnapshotter = "overlayfs"
-)

vendor/github.com/containerd/containerd/services/snapshot/default_unix.go

@@ -1,7 +0,0 @@
-// +build darwin freebsd solaris
-
-package snapshot
-
-const (
-	defaultSnapshotter = "naive"
-)

vendor/github.com/containerd/containerd/services/snapshot/default_windows.go

@@ -1,5 +0,0 @@
-package snapshot
-
-const (
-	defaultSnapshotter = "windows"
-)

vendor/github.com/containerd/containerd/services/snapshot/service.go

@@ -20,11 +20,6 @@ import (
 	"google.golang.org/grpc"
 )
 
-type config struct {
-	// Default is the default snapshotter to use for the service
-	Default string `toml:"default,omitempty"`
-}
-
 func init() {
 	plugin.Register(&plugin.Registration{
 		Type: plugin.GRPCPlugin,
@@ -33,9 +28,6 @@ func init() {
 			plugin.SnapshotPlugin,
 			plugin.MetadataPlugin,
 		},
-		Config: &config{
-			Default: defaultSnapshotter,
-		},
 		Init: newService,
 	})
 }
@@ -43,9 +35,8 @@ func init() {
 var empty = &protoempty.Empty{}
 
 type service struct {
-	snapshotters           map[string]snapshot.Snapshotter
+	snapshotters map[string]snapshot.Snapshotter
-	defaultSnapshotterName string
+	publisher    events.Publisher
-	publisher              events.Publisher
 }
 
 func newService(ic *plugin.InitContext) (interface{}, error) {
@@ -62,26 +53,24 @@ func newService(ic *plugin.InitContext) (interface{}, error) {
 		snapshotters[name] = metadata.NewSnapshotter(md.(*bolt.DB), name, sn.(snapshot.Snapshotter))
 	}
 
-	cfg := ic.Config.(*config)
+	if len(snapshotters) == 0 {
-	_, ok := snapshotters[cfg.Default]
+		return nil, errors.Errorf("failed to create snapshotter service: no snapshotters loaded")
-	if !ok {
-		return nil, errors.Errorf("default snapshotter not loaded: %s", cfg.Default)
 	}
 
 	return &service{
-		snapshotters:           snapshotters,
+		snapshotters: snapshotters,
-		defaultSnapshotterName: cfg.Default,
+		publisher:    ic.Events,
-		publisher:              ic.Events,
 	}, nil
 }
 
 func (s *service) getSnapshotter(name string) (snapshot.Snapshotter, error) {
 	if name == "" {
-		name = s.defaultSnapshotterName
+		return nil, errdefs.ToGRPCf(errdefs.ErrInvalidArgument, "snapshotter argument missing")
 	}
+
 	sn, ok := s.snapshotters[name]
 	if !ok {
-		return nil, errors.Errorf("snapshotter not loaded: %s", name)
+		return nil, errdefs.ToGRPCf(errdefs.ErrInvalidArgument, "snapshotter not loaded: %s", name)
 	}
 	return sn, nil
 }

vendor/github.com/containerd/containerd/snapshotter_default_linux.go

@@ -0,0 +1,8 @@
+package containerd
+
+const (
+	// DefaultSnapshotter will set the default snapshotter for the platform.
+	// This will be based on the client compilation target, so take that into
+	// account when choosing this value.
+	DefaultSnapshotter = "overlayfs"
+)

vendor/github.com/containerd/containerd/snapshotter_default_unix.go

@@ -0,0 +1,10 @@
+// +build darwin freebsd solaris
+
+package containerd
+
+const (
+	// DefaultSnapshotter will set the default snapshotter for the platform.
+	// This will be based on the client compilation target, so take that into
+	// account when choosing this value.
+	DefaultSnapshotter = "naive"
+)

vendor/github.com/containerd/containerd/snapshotter_default_windows.go

@@ -0,0 +1,8 @@
+package containerd
+
+const (
+	// DefaultSnapshotter will set the default snapshotter for the platform.
+	// This will be based on the client compilation target, so take that into
+	// account when choosing this value.
+	DefaultSnapshotter = "windows"
+)

vendor/github.com/containerd/containerd/spec_opts_unix.go

@@ -176,8 +176,8 @@ func WithHostHostsFile(s *specs.Spec) error {
 	return nil
 }
 
-// WithHostResoveconf bind-mounts the host's /etc/resolv.conf into the container as readonly
+// WithHostResolvconf bind-mounts the host's /etc/resolv.conf into the container as readonly
-func WithHostResoveconf(s *specs.Spec) error {
+func WithHostResolvconf(s *specs.Spec) error {
 	s.Mounts = append(s.Mounts, specs.Mount{
 		Destination: "/etc/resolv.conf",
 		Type:        "bind",
@@ -233,6 +233,9 @@ func WithRemappedSnapshot(id string, i Image, uid, gid uint32) NewContainerOpts
 		if err != nil {
 			return err
 		}
+
+		setSnapshotterIfEmpty(c)
+
 		var (
 			snapshotter = client.SnapshotService(c.Snapshotter)
 			parent      = identity.ChainID(diffIDs).String()

vendor/github.com/containerd/containerd/spec_unix.go

@@ -171,9 +171,6 @@ func incrementFS(root string, uidInc, gidInc uint32) filepath.WalkFunc {
 		if err != nil {
 			return err
 		}
-		if root == path {
-			return nil
-		}
 		var (
 			stat = info.Sys().(*syscall.Stat_t)
 			u, g = int(stat.Uid + uidInc), int(stat.Gid + gidInc)

vendor/github.com/containerd/containerd/task.go

@@ -10,6 +10,7 @@ import (
 	"strings"
 	"sync"
 	"syscall"
+	"time"
 
 	eventsapi "github.com/containerd/containerd/api/services/events/v1"
 	"github.com/containerd/containerd/api/services/tasks/v1"
@@ -17,6 +18,7 @@ import (
 	"github.com/containerd/containerd/content"
 	"github.com/containerd/containerd/errdefs"
 	"github.com/containerd/containerd/mount"
+	"github.com/containerd/containerd/plugin"
 	"github.com/containerd/containerd/rootfs"
 	"github.com/containerd/containerd/runtime"
 	"github.com/containerd/containerd/typeurl"
@@ -37,6 +39,8 @@ type Status struct {
 	Status ProcessStatus
 	// ExitStatus returned by the process
 	ExitStatus uint32
+	// ExitedTime is the time at which the process died
+	ExitTime time.Time
 }
 
 type ProcessStatus string
@@ -117,7 +121,8 @@ type Task interface {
 var _ = (Task)(&task{})
 
 type task struct {
-	client *Client
+	client    *Client
+	container Container
 
 	io  IO
 	id  string
@@ -192,18 +197,22 @@ func (t *task) Status(ctx context.Context) (Status, error) {
 	return Status{
 		Status:     ProcessStatus(strings.ToLower(r.Process.Status.String())),
 		ExitStatus: r.Process.ExitStatus,
+		ExitTime:   r.Process.ExitedAt,
 	}, nil
 }
 
-func (t *task) Wait(ctx context.Context) (uint32, error) {
+func (t *task) Wait(ctx context.Context) (<-chan ExitStatus, error) {
 	cancellable, cancel := context.WithCancel(ctx)
-	defer cancel()
 	eventstream, err := t.client.EventService().Subscribe(cancellable, &eventsapi.SubscribeRequest{
 		Filters: []string{"topic==" + runtime.TaskExitEventTopic},
 	})
 	if err != nil {
-		return UnknownExitStatus, errdefs.FromGRPC(err)
+		cancel()
+		return nil, errdefs.FromGRPC(err)
 	}
+
+	chStatus := make(chan ExitStatus, 1)
+
 	t.mu.Lock()
 	checkpoint := t.deferred != nil
 	t.mu.Unlock()
@@ -211,47 +220,67 @@ func (t *task) Wait(ctx context.Context) (uint32, error) {
 		// first check if the task has exited
 		status, err := t.Status(ctx)
 		if err != nil {
-			return UnknownExitStatus, errdefs.FromGRPC(err)
+			cancel()
+			return nil, errdefs.FromGRPC(err)
 		}
 		if status.Status == Stopped {
-			return status.ExitStatus, nil
+			cancel()
+			chStatus <- ExitStatus{code: status.ExitStatus, exitedAt: status.ExitTime}
+			return chStatus, nil
 		}
 	}
-	for {
+
-		evt, err := eventstream.Recv()
+	go func() {
-		if err != nil {
+		defer cancel()
-			return UnknownExitStatus, errdefs.FromGRPC(err)
+		chStatus <- ExitStatus{} // signal that goroutine is running
-		}
+		for {
-		if typeurl.Is(evt.Event, &eventsapi.TaskExit{}) {
+			evt, err := eventstream.Recv()
-			v, err := typeurl.UnmarshalAny(evt.Event)
 			if err != nil {
-				return UnknownExitStatus, err
+				chStatus <- ExitStatus{code: UnknownExitStatus, err: errdefs.FromGRPC(err)}
+				return
 			}
-			e := v.(*eventsapi.TaskExit)
+			if typeurl.Is(evt.Event, &eventsapi.TaskExit{}) {
-			if e.ContainerID == t.id && e.Pid == t.pid {
+				v, err := typeurl.UnmarshalAny(evt.Event)
-				return e.ExitStatus, nil
+				if err != nil {
+					chStatus <- ExitStatus{code: UnknownExitStatus, err: err}
+					return
+				}
+				e := v.(*eventsapi.TaskExit)
+				if e.ContainerID == t.id && e.Pid == t.pid {
+					chStatus <- ExitStatus{code: e.ExitStatus, exitedAt: e.ExitedAt}
+					return
+				}
 			}
 		}
-	}
+	}()
+
+	<-chStatus // wait for the goroutine to be running
+	return chStatus, nil
 }
 
 // Delete deletes the task and its runtime state
 // it returns the exit status of the task and any errors that were encountered
 // during cleanup
-func (t *task) Delete(ctx context.Context, opts ...ProcessDeleteOpts) (uint32, error) {
+func (t *task) Delete(ctx context.Context, opts ...ProcessDeleteOpts) (*ExitStatus, error) {
 	for _, o := range opts {
 		if err := o(ctx, t); err != nil {
-			return UnknownExitStatus, err
+			return nil, err
 		}
 	}
 	status, err := t.Status(ctx)
 	if err != nil && errdefs.IsNotFound(err) {
-		return UnknownExitStatus, err
+		return nil, err
 	}
 	switch status.Status {
 	case Stopped, Unknown, "":
+	case Created:
+		if t.client.runtime == fmt.Sprintf("%s.%s", plugin.RuntimePlugin, "windows") {
+			// On windows Created is akin to Stopped
+			break
+		}
+		fallthrough
 	default:
-		return UnknownExitStatus, errors.Wrapf(errdefs.ErrFailedPrecondition, "task must be stopped before deletion: %s", status.Status)
+		return nil, errors.Wrapf(errdefs.ErrFailedPrecondition, "task must be stopped before deletion: %s", status.Status)
 	}
 	if t.io != nil {
 		t.io.Cancel()
@@ -262,9 +291,9 @@ func (t *task) Delete(ctx context.Context, opts ...ProcessDeleteOpts) (uint32, e
 		ContainerID: t.id,
 	})
 	if err != nil {
-		return UnknownExitStatus, errdefs.FromGRPC(err)
+		return nil, errdefs.FromGRPC(err)
 	}
-	return r.ExitStatus, nil
+	return &ExitStatus{code: r.ExitStatus, exitedAt: r.ExitedAt}, nil
 }
 
 func (t *task) Exec(ctx context.Context, id string, spec *specs.Process, ioCreate IOCreation) (Process, error) {

vendor/github.com/containerd/containerd/task_opts.go

@@ -4,6 +4,7 @@ import (
 	"context"
 	"syscall"
 
+	"github.com/containerd/containerd/errdefs"
 	"github.com/containerd/containerd/linux/runcopts"
 	"github.com/containerd/containerd/mount"
 )
@@ -32,14 +33,20 @@ type ProcessDeleteOpts func(context.Context, Process) error
 
 // WithProcessKill will forcefully kill and delete a process
 func WithProcessKill(ctx context.Context, p Process) error {
-	s := make(chan struct{}, 1)
+	ctx, cancel := context.WithCancel(ctx)
+	defer cancel()
 	// ignore errors to wait and kill as we are forcefully killing
 	// the process and don't care about the exit status
-	go func() {
+	s, err := p.Wait(ctx)
-		p.Wait(ctx)
+	if err != nil {
-		close(s)
+		return err
-	}()
+	}
-	p.Kill(ctx, syscall.SIGKILL)
+	if err := p.Kill(ctx, syscall.SIGKILL); err != nil {
+		if errdefs.IsFailedPrecondition(err) || errdefs.IsNotFound(err) {
+			return nil
+		}
+		return err
+	}
 	// wait for the process to fully stop before letting the rest of the deletion complete
 	<-s
 	return nil

vendor/github.com/containerd/containerd/vendor.conf

@@ -1,7 +1,7 @@
 github.com/coreos/go-systemd 48702e0da86bd25e76cfef347e2adeb434a0d0a6
 github.com/containerd/go-runc b85ac701de5065a66918203dd18f057433290807
 github.com/containerd/console 76d18fd1d66972718ab2284449591db0b3cdb4de
-github.com/containerd/cgroups 4fd64a776f25b5540cddcb72eea6e35e58baca6e
+github.com/containerd/cgroups e6d1aa8c71c6103624b2c6e6f4be0863b67027f1
 github.com/docker/go-metrics 8fd5772bf1584597834c6f7961a530f06cbfbb87
 github.com/docker/go-events 9461782956ad83b30282bf90e31fa6a70c255ba9
 github.com/godbus/dbus c7fdd8b5cd55e87b4e1f4e372cdb1db61dd6c66f
@@ -17,7 +17,7 @@ github.com/golang/protobuf 5a0f697c9ed9d68fef0116532c6e05cfeae00e55
 github.com/opencontainers/runtime-spec v1.0.0
 github.com/opencontainers/runc e775f0fba3ea329b8b766451c892c41a3d49594d
 github.com/sirupsen/logrus v1.0.0
-github.com/containerd/btrfs e9c546f46bccffefe71a6bc137e4c21b5503cc18
+github.com/containerd/btrfs cc52c4dea2ce11a44e6639e561bb5c2af9ada9e3
 github.com/stretchr/testify v1.1.4
 github.com/davecgh/go-spew v1.1.0
 github.com/pmezard/go-difflib v1.0.0