ListPids returns process ID and other info

Signed-off-by: Jess <jessica.valarezo@docker.com>

linux/shim/service.go

@@ -345,8 +345,14 @@ func (s *Service) ListPids(ctx context.Context, r *shimapi.ListPidsRequest) (*sh
 	if err != nil {
 		return nil, errdefs.ToGRPC(err)
 	}
+	var processes []*task.ProcessInfo
+	for _, pid := range pids {
+		processes = append(processes, &task.ProcessInfo{
+			Pid: pid,
+		})
+	}
 	return &shimapi.ListPidsResponse{
-		Pids: pids,
+		Processes: processes,
 	}, nil
 }
 

linux/shim/v1/shim.pb.go

@@ -195,7 +195,7 @@ func (*ListPidsRequest) ProtoMessage()               {}
 func (*ListPidsRequest) Descriptor() ([]byte, []int) { return fileDescriptorShim, []int{11} }
 
 type ListPidsResponse struct {
-	Pids []uint32 `protobuf:"varint,1,rep,packed,name=pids" json:"pids,omitempty"`
+	Processes []*containerd_v1_types.ProcessInfo `protobuf:"bytes,1,rep,name=processes" json:"processes,omitempty"`
 }
 
 func (m *ListPidsResponse) Reset()                    { *m = ListPidsResponse{} }
@@ -1367,22 +1367,17 @@ func (m *ListPidsResponse) MarshalTo(dAtA []byte) (int, error) {
 	_ = i
 	var l int
 	_ = l
-	if len(m.Pids) > 0 {
-		dAtA6 := make([]byte, len(m.Pids)*10)
-		var j5 int
-		for _, num := range m.Pids {
-			for num >= 1<<7 {
-				dAtA6[j5] = uint8(uint64(num)&0x7f | 0x80)
-				num >>= 7
-				j5++
+	if len(m.Processes) > 0 {
+		for _, msg := range m.Processes {
+			dAtA[i] = 0xa
+			i++
+			i = encodeVarintShim(dAtA, i, uint64(msg.Size()))
+			n, err := msg.MarshalTo(dAtA[i:])
+			if err != nil {
+				return 0, err
 			}
-			dAtA6[j5] = uint8(num)
-			j5++
+			i += n
 		}
-		dAtA[i] = 0xa
-		i++
-		i = encodeVarintShim(dAtA, i, uint64(j5))
-		i += copy(dAtA[i:], dAtA6[:j5])
 	}
 	return i, nil
 }
@@ -1412,11 +1407,11 @@ func (m *CheckpointTaskRequest) MarshalTo(dAtA []byte) (int, error) {
 		dAtA[i] = 0x12
 		i++
 		i = encodeVarintShim(dAtA, i, uint64(m.Options.Size()))
-		n7, err := m.Options.MarshalTo(dAtA[i:])
+		n5, err := m.Options.MarshalTo(dAtA[i:])
 		if err != nil {
 			return 0, err
 		}
-		i += n7
+		i += n5
 	}
 	return i, nil
 }
@@ -1463,11 +1458,11 @@ func (m *UpdateTaskRequest) MarshalTo(dAtA []byte) (int, error) {
 		dAtA[i] = 0xa
 		i++
 		i = encodeVarintShim(dAtA, i, uint64(m.Resources.Size()))
-		n8, err := m.Resources.MarshalTo(dAtA[i:])
+		n6, err := m.Resources.MarshalTo(dAtA[i:])
 		if err != nil {
 			return 0, err
 		}
-		i += n8
+		i += n6
 	}
 	return i, nil
 }
@@ -1572,11 +1567,11 @@ func (m *WaitResponse) MarshalTo(dAtA []byte) (int, error) {
 	dAtA[i] = 0x12
 	i++
 	i = encodeVarintShim(dAtA, i, uint64(github_com_gogo_protobuf_types.SizeOfStdTime(m.ExitedAt)))
-	n9, err := github_com_gogo_protobuf_types.StdTimeMarshalTo(m.ExitedAt, dAtA[i:])
+	n7, err := github_com_gogo_protobuf_types.StdTimeMarshalTo(m.ExitedAt, dAtA[i:])
 	if err != nil {
 		return 0, err
 	}
-	i += n9
+	i += n7
 	return i, nil
 }
 
@@ -1834,12 +1829,11 @@ func (m *ListPidsRequest) Size() (n int) {
 func (m *ListPidsResponse) Size() (n int) {
 	var l int
 	_ = l
-	if len(m.Pids) > 0 {
-		l = 0
-		for _, e := range m.Pids {
-			l += sovShim(uint64(e))
+	if len(m.Processes) > 0 {
+		for _, e := range m.Processes {
+			l = e.Size()
+			n += 1 + l + sovShim(uint64(l))
 		}
-		n += 1 + sovShim(uint64(l)) + l
 	}
 	return n
 }
@@ -2089,7 +2083,7 @@ func (this *ListPidsResponse) String() string {
 		return "nil"
 	}
 	s := strings.Join([]string{`&ListPidsResponse{`,
-		`Pids:` + fmt.Sprintf("%v", this.Pids) + `,`,
+		`Processes:` + strings.Replace(fmt.Sprintf("%v", this.Processes), "ProcessInfo", "containerd_v1_types.ProcessInfo", 1) + `,`,
 		`}`,
 	}, "")
 	return s
@@ -3900,67 +3894,36 @@ func (m *ListPidsResponse) Unmarshal(dAtA []byte) error {
 		}
 		switch fieldNum {
 		case 1:
-			if wireType == 0 {
-				var v uint32
-				for shift := uint(0); ; shift += 7 {
-					if shift >= 64 {
-						return ErrIntOverflowShim
-					}
-					if iNdEx >= l {
-						return io.ErrUnexpectedEOF
-					}
-					b := dAtA[iNdEx]
-					iNdEx++
-					v |= (uint32(b) & 0x7F) << shift
-					if b < 0x80 {
-						break
-					}
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field Processes", wireType)
+			}
+			var msglen int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowShim
 				}
-				m.Pids = append(m.Pids, v)
-			} else if wireType == 2 {
-				var packedLen int
-				for shift := uint(0); ; shift += 7 {
-					if shift >= 64 {
-						return ErrIntOverflowShim
-					}
-					if iNdEx >= l {
-						return io.ErrUnexpectedEOF
-					}
-					b := dAtA[iNdEx]
-					iNdEx++
-					packedLen |= (int(b) & 0x7F) << shift
-					if b < 0x80 {
-						break
-					}
-				}
-				if packedLen < 0 {
-					return ErrInvalidLengthShim
-				}
-				postIndex := iNdEx + packedLen
-				if postIndex > l {
+				if iNdEx >= l {
 					return io.ErrUnexpectedEOF
 				}
-				for iNdEx < postIndex {
-					var v uint32
-					for shift := uint(0); ; shift += 7 {
-						if shift >= 64 {
-							return ErrIntOverflowShim
-						}
-						if iNdEx >= l {
-							return io.ErrUnexpectedEOF
-						}
-						b := dAtA[iNdEx]
-						iNdEx++
-						v |= (uint32(b) & 0x7F) << shift
-						if b < 0x80 {
-							break
-						}
-					}
-					m.Pids = append(m.Pids, v)
+				b := dAtA[iNdEx]
+				iNdEx++
+				msglen |= (int(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
 				}
-			} else {
-				return fmt.Errorf("proto: wrong wireType = %d for field Pids", wireType)
 			}
+			if msglen < 0 {
+				return ErrInvalidLengthShim
+			}
+			postIndex := iNdEx + msglen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.Processes = append(m.Processes, &containerd_v1_types.ProcessInfo{})
+			if err := m.Processes[len(m.Processes)-1].Unmarshal(dAtA[iNdEx:postIndex]); err != nil {
+				return err
+			}
+			iNdEx = postIndex
 		default:
 			iNdEx = preIndex
 			skippy, err := skipShim(dAtA[iNdEx:])
@@ -4711,76 +4674,76 @@ func init() {
 }
 
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+	0x3d, 0xf7, 0xe3, 0xf4, 0x23, 0x70, 0xc8, 0xa1, 0xc7, 0x9e, 0xd2, 0xc6, 0xf7, 0x7e, 0x87, 0x68,
+	0xfe, 0x18, 0xaf, 0x6d, 0x36, 0xbb, 0xe6, 0x82, 0xf7, 0xcd, 0xfc, 0xde, 0xcc, 0x9b, 0xf7, 0xfb,
+	0xcd, 0x7b, 0x03, 0x3c, 0xe9, 0x12, 0xde, 0x8b, 0x4e, 0xec, 0x0e, 0x1d, 0xb4, 0x3a, 0xd4, 0xe7,
+	0x2e, 0xf1, 0x71, 0xe8, 0xc5, 0x3f, 0xfb, 0xc4, 0x8f, 0x2e, 0x5a, 0xac, 0x47, 0x06, 0xad, 0xf3,
+	0x4d, 0xf9, 0x6b, 0x07, 0x21, 0xe5, 0x14, 0x35, 0xc7, 0x20, 0x3b, 0x8c, 0x7c, 0x4e, 0x06, 0xd8,
+	0x96, 0x60, 0x5b, 0x82, 0xce, 0x37, 0xeb, 0xf7, 0xba, 0x94, 0x76, 0xfb, 0xb8, 0x25, 0xf1, 0x27,
+	0xd1, 0x69, 0xcb, 0xf5, 0x2f, 0x95, 0x73, 0xfd, 0xfe, 0xf4, 0x14, 0x1e, 0x04, 0x7c, 0x34, 0xb9,
+	0xda, 0xa5, 0x5d, 0x2a, 0x3f, 0x5b, 0xe2, 0x4b, 0x8f, 0xae, 0x4f, 0xbb, 0x88, 0x1d, 0x19, 0x77,
+	0x07, 0x81, 0x06, 0x3c, 0x4a, 0x3d, 0x8b, 0x1b, 0x90, 0x16, 0xbf, 0x0c, 0x30, 0x6b, 0x0d, 0x68,
+	0xe4, 0x73, 0xed, 0xf7, 0xf5, 0x1c, 0x7e, 0xdc, 0x65, 0x67, 0xf2, 0x8f, 0xf2, 0xb5, 0xfe, 0xcf,
+	0xc1, 0xca, 0x6e, 0x88, 0x5d, 0x8e, 0x8f, 0x5c, 0x76, 0xe6, 0xe0, 0xd7, 0x11, 0x66, 0x1c, 0xad,
+	0x41, 0x8e, 0x78, 0xa6, 0xd1, 0x34, 0x36, 0x2a, 0x3b, 0xc5, 0xe1, 0xdb, 0xf5, 0xdc, 0xde, 0x33,
+	0x27, 0x47, 0x3c, 0xb4, 0x06, 0xc5, 0x93, 0xc8, 0xf7, 0xfa, 0xd8, 0xcc, 0x89, 0x39, 0x47, 0x5b,
+	0xc8, 0x84, 0x92, 0xce, 0xa0, 0xb9, 0x28, 0x27, 0x46, 0x26, 0x6a, 0x41, 0x31, 0xa4, 0x94, 0x9f,
+	0x32, 0x33, 0xdf, 0x5c, 0xdc, 0xa8, 0xb6, 0x3f, 0xb1, 0x63, 0x59, 0x97, 0x21, 0xd9, 0xfb, 0xe2,
+	0x28, 0x8e, 0x86, 0xa1, 0x3a, 0x94, 0x39, 0x0e, 0x07, 0xc4, 0x77, 0xfb, 0x66, 0xa1, 0x69, 0x6c,
+	0x94, 0x9d, 0x6b, 0x1b, 0xad, 0x42, 0x81, 0x71, 0x8f, 0xf8, 0x66, 0x51, 0x6e, 0xa2, 0x0c, 0x11,
+	0x14, 0xe3, 0x1e, 0x8d, 0xb8, 0x59, 0x52, 0x41, 0x29, 0x4b, 0x8f, 0xe3, 0x30, 0x34, 0xcb, 0xd7,
+	0xe3, 0x38, 0x0c, 0x51, 0x03, 0xa0, 0xd3, 0xc3, 0x9d, 0xb3, 0x80, 0x12, 0x9f, 0x9b, 0x15, 0x39,
+	0x17, 0x1b, 0x41, 0x9f, 0xc3, 0x4a, 0xe0, 0x86, 0xd8, 0xe7, 0xc7, 0x31, 0x18, 0x48, 0xd8, 0xb2,
+	0x9a, 0xd8, 0x1d, 0x83, 0x6d, 0x28, 0xd1, 0x80, 0x13, 0xea, 0x33, 0xb3, 0xda, 0x34, 0x36, 0xaa,
+	0xed, 0x55, 0x5b, 0xd1, 0x6c, 0x8f, 0x68, 0xb6, 0xb7, 0xfd, 0x4b, 0x67, 0x04, 0xb2, 0x1e, 0x00,
+	0x8a, 0xa7, 0x9b, 0x05, 0xd4, 0x67, 0x18, 0x2d, 0xc3, 0x62, 0xa0, 0x13, 0x5e, 0x73, 0xc4, 0xa7,
+	0xf5, 0x87, 0x01, 0x4b, 0xcf, 0x70, 0x1f, 0x73, 0x9c, 0x0c, 0x42, 0xeb, 0x50, 0xc5, 0x17, 0x84,
+	0x1f, 0x33, 0xee, 0xf2, 0x88, 0x49, 0x4e, 0x6a, 0x0e, 0x88, 0xa1, 0x43, 0x39, 0x82, 0xb6, 0xa1,
+	0x22, 0x2c, 0xec, 0x1d, 0xbb, 0x5c, 0x32, 0x53, 0x6d, 0xd7, 0x67, 0xe2, 0x3b, 0x1a, 0xc9, 0x70,
+	0xa7, 0x7c, 0xf5, 0x76, 0x7d, 0xe1, 0xcf, 0x7f, 0xd7, 0x0d, 0xa7, 0xac, 0xdc, 0xb6, 0xb9, 0x65,
+	0xc3, 0xaa, 0x8a, 0xe3, 0x20, 0xa4, 0x1d, 0xcc, 0x58, 0x8a, 0x44, 0xac, 0xbf, 0x0c, 0x40, 0xcf,
+	0x2f, 0x70, 0x27, 0x1b, 0x7c, 0x82, 0xee, 0x5c, 0x12, 0xdd, 0x8b, 0x37, 0xd3, 0x9d, 0x4f, 0xa0,
+	0xbb, 0x30, 0x41, 0xf7, 0x06, 0xe4, 0x59, 0x80, 0x3b, 0x52, 0x33, 0x49, 0xf4, 0x48, 0x84, 0x75,
+	0x17, 0x3e, 0x9e, 0x88, 0x5c, 0xe5, 0xdd, 0xfa, 0x11, 0x96, 0x1d, 0xcc, 0xc8, 0x6f, 0xf8, 0x80,
+	0x5f, 0xa6, 0x1d, 0x67, 0x15, 0x0a, 0xbf, 0x12, 0x8f, 0xf7, 0x34, 0x17, 0xca, 0x10, 0xa1, 0xf5,
+	0x30, 0xe9, 0xf6, 0x14, 0x07, 0x35, 0x47, 0x5b, 0xd6, 0x03, 0xb8, 0x23, 0x88, 0xc2, 0x69, 0x39,
+	0x7d, 0x93, 0x83, 0x9a, 0x06, 0x6a, 0x2d, 0xcc, 0x7b, 0x41, 0xb5, 0x76, 0x16, 0xc7, 0xda, 0xd9,
+	0x12, 0xe9, 0x92, 0xb2, 0x11, 0x69, 0x5c, 0x6a, 0xdf, 0x8f, 0x5f, 0xcc, 0xf3, 0x4d, 0x7d, 0x37,
+	0x95, 0x8e, 0x1c, 0x0d, 0x1d, 0x33, 0x52, 0xb8, 0x99, 0x91, 0x62, 0x02, 0x23, 0xa5, 0x09, 0x46,
+	0xe2, 0x9c, 0x97, 0xa7, 0x38, 0x9f, 0x92, 0x74, 0xe5, 0xc3, 0x92, 0x86, 0x5b, 0x49, 0xfa, 0x05,
+	0x54, 0xbf, 0x23, 0xfd, 0x7e, 0x86, 0x62, 0xc7, 0x48, 0x77, 0x24, 0xcc, 0x9a, 0xa3, 0x2d, 0x91,
+	0x4b, 0xb7, 0xdf, 0x97, 0xb9, 0x2c, 0x3b, 0xe2, 0xd3, 0x7a, 0x0a, 0x4b, 0xbb, 0x7d, 0xca, 0xf0,
+	0xde, 0x8b, 0x0c, 0xfa, 0x50, 0x09, 0x54, 0x5a, 0x57, 0x86, 0xf5, 0x19, 0x7c, 0xf4, 0x3d, 0x61,
+	0xfc, 0x80, 0x78, 0xa9, 0xd7, 0xcb, 0x81, 0xe5, 0x31, 0x54, 0x8b, 0xe1, 0x29, 0x54, 0x02, 0xa5,
+	0x59, 0xcc, 0x4c, 0x43, 0x96, 0xd9, 0xe6, 0x8d, 0x6c, 0x6a, 0x65, 0xef, 0xf9, 0xa7, 0xd4, 0x19,
+	0xbb, 0x58, 0x3f, 0xc3, 0xdd, 0x71, 0x45, 0x8b, 0xb7, 0x01, 0x04, 0xf9, 0xc0, 0xe5, 0x3d, 0x15,
+	0x86, 0x23, 0xbf, 0xe3, 0x05, 0x2f, 0x97, 0xa5, 0xe0, 0x3d, 0x84, 0xe5, 0xc3, 0x1e, 0x19, 0xc8,
+	0x3d, 0x47, 0x01, 0xdf, 0x83, 0xb2, 0x68, 0xb1, 0xc7, 0xe3, 0x72, 0x56, 0x12, 0xf6, 0x01, 0xf1,
+	0xac, 0x6f, 0x61, 0xe5, 0x65, 0xe0, 0x4d, 0xb5, 0xa3, 0x36, 0x54, 0x42, 0xcc, 0x68, 0x14, 0x76,
+	0xe4, 0x01, 0x93, 0x77, 0x1d, 0xc3, 0xf4, 0xdd, 0x0a, 0x79, 0x5a, 0x42, 0x9f, 0xc8, 0xab, 0x25,
+	0x70, 0x29, 0x57, 0x4b, 0x5f, 0xa1, 0xdc, 0xb8, 0x46, 0x7f, 0x0a, 0xd5, 0x57, 0x2e, 0x49, 0xdd,
+	0x21, 0x84, 0x3b, 0x0a, 0xa6, 0x37, 0x98, 0x92, 0xb8, 0xf1, 0x61, 0x89, 0xe7, 0x6e, 0x23, 0xf1,
+	0xf6, 0x9b, 0x2a, 0xe4, 0x45, 0xda, 0x51, 0x0f, 0x0a, 0xb2, 0x72, 0x20, 0xdb, 0x4e, 0x7b, 0xee,
+	0xd8, 0xf1, 0x5a, 0x54, 0x6f, 0x65, 0xc6, 0xeb, 0x63, 0x31, 0x28, 0xaa, 0xce, 0x86, 0xb6, 0xd2,
+	0x5d, 0x67, 0x9e, 0x1c, 0xf5, 0x2f, 0xe7, 0x73, 0xd2, 0x9b, 0xaa, 0xe3, 0x85, 0x3c, 0xe3, 0xf1,
+	0xae, 0xe5, 0x90, 0xf1, 0x78, 0x31, 0x59, 0x38, 0x50, 0x54, 0x7d, 0x10, 0xad, 0xcd, 0x70, 0xf1,
+	0x5c, 0xbc, 0xfd, 0xea, 0x5f, 0xa4, 0x2f, 0x39, 0xd5, 0xd1, 0x2f, 0xa1, 0x36, 0xd1, 0x5b, 0xd1,
+	0xa3, 0xac, 0x4b, 0x4c, 0x76, 0xd7, 0x5b, 0x6c, 0xfd, 0x1a, 0xca, 0xa3, 0x3a, 0x82, 0x36, 0xd3,
+	0xbd, 0xa7, 0xca, 0x53, 0xbd, 0x3d, 0x8f, 0x8b, 0xde, 0xf2, 0x31, 0x14, 0x0e, 0xdc, 0x88, 0x25,
+	0x27, 0x30, 0x61, 0x1c, 0x7d, 0x05, 0x45, 0x07, 0xb3, 0x68, 0x30, 0xbf, 0xe7, 0x2f, 0x00, 0xb1,
+	0xb7, 0xda, 0xe3, 0x0c, 0x12, 0xbb, 0xa9, 0x0e, 0x26, 0x2e, 0xbf, 0x0f, 0x79, 0xd1, 0x48, 0xd0,
+	0xc3, 0xf4, 0x85, 0x63, 0x0d, 0x27, 0x71, 0xb9, 0x23, 0xc8, 0x8b, 0xf7, 0x07, 0xca, 0x70, 0x15,
+	0x66, 0x5f, 0x58, 0x89, 0xab, 0xbe, 0x82, 0xca, 0xf5, 0xf3, 0x05, 0x65, 0xe0, 0x6d, 0xfa, 0xad,
+	0x93, 0xb8, 0xf0, 0x21, 0x94, 0x74, 0xd7, 0x43, 0x19, 0xf4, 0x37, 0xd9, 0x20, 0x13, 0x17, 0xfd,
+	0x01, 0xca, 0xa3, 0x76, 0x91, 0xc8, 0x76, 0x86, 0x43, 0xcc, 0xb4, 0x9c, 0x97, 0x50, 0x54, 0x7d,
+	0x25, 0x4b, 0x75, 0x9a, 0xe9, 0x40, 0x89, 0xe1, 0x62, 0xc8, 0x8b, 0xda, 0x9e, 0x45, 0x01, 0xb1,
+	0x56, 0x51, 0xb7, 0xb3, 0xc2, 0x55, 0xf4, 0x3b, 0xfb, 0x57, 0xef, 0x1a, 0x0b, 0xff, 0xbc, 0x6b,
+	0x2c, 0xfc, 0x3e, 0x6c, 0x18, 0x57, 0xc3, 0x86, 0xf1, 0xf7, 0xb0, 0x61, 0xfc, 0x37, 0x6c, 0x18,
+	0x3f, 0x6d, 0xcd, 0xf7, 0xff, 0xef, 0x37, 0xe2, 0xf7, 0xa4, 0x28, 0x4f, 0xb1, 0xf5, 0x3e, 0x00,
+	0x00, 0xff, 0xff, 0xad, 0x60, 0x08, 0x28, 0x3d, 0x0f, 0x00, 0x00,
 }

linux/shim/v1/shim.proto

@@ -129,8 +129,8 @@ message ListPidsRequest {
 	string id = 1;
 }
 
-message ListPidsResponse{
-	repeated uint32 pids = 1;
+message ListPidsResponse {
+	repeated containerd.v1.types.ProcessInfo processes = 1;
 }
 
 message CheckpointTaskRequest {

linux/task.go

@@ -172,14 +172,20 @@ func (t *Task) Exec(ctx context.Context, id string, opts runtime.ExecOpts) (runt
 }
 
 // Pids returns all system level process ids running inside the task
-func (t *Task) Pids(ctx context.Context) ([]uint32, error) {
+func (t *Task) Pids(ctx context.Context) ([]runtime.ProcessInfo, error) {
 	resp, err := t.shim.ListPids(ctx, &shim.ListPidsRequest{
 		ID: t.id,
 	})
 	if err != nil {
 		return nil, errdefs.FromGRPC(err)
 	}
-	return resp.Pids, nil
+	var processList []runtime.ProcessInfo
+	for _, p := range resp.Processes {
+		processList = append(processList, runtime.ProcessInfo{
+			Pid: p.Pid,
+		})
+	}
+	return processList, nil
 }
 
 // ResizePty changes the side of the task's PTY to the provided width and height