ListPids returns process ID and other info

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

windows/hcsshimopts/hcsshim.pb.go

@@ -10,6 +10,7 @@
 
 	It has these top-level messages:
 		CreateOptions
+		ProcessDetails
 */
 package hcsshimopts
 
@@ -18,6 +19,7 @@ import fmt "fmt"
 import math "math"
 import _ "github.com/gogo/protobuf/gogoproto"
 import _ "github.com/golang/protobuf/ptypes/duration"
+import google_protobuf2 "github.com/gogo/protobuf/types"
 
 import time "time"
 
@@ -48,8 +50,26 @@ func (m *CreateOptions) Reset()                    { *m = CreateOptions{} }
 func (*CreateOptions) ProtoMessage()               {}
 func (*CreateOptions) Descriptor() ([]byte, []int) { return fileDescriptorHcsshim, []int{0} }
 
+// ProcessDetails contains additional information about a process
+// ProcessDetails is made of the same fields as found in hcsshim.ProcessListItem
+type ProcessDetails struct {
+	ImageName                    string                      `protobuf:"bytes,1,opt,name=image_name,json=imageName,proto3" json:"image_name,omitempty"`
+	CreatedAt                    *google_protobuf2.Timestamp `protobuf:"bytes,2,opt,name=created_at,json=createdAt" json:"created_at,omitempty"`
+	KernelTime_100Ns             uint64                      `protobuf:"varint,3,opt,name=kernel_time_100_ns,json=kernelTime100Ns,proto3" json:"kernel_time_100_ns,omitempty"`
+	MemoryCommitBytes            uint64                      `protobuf:"varint,4,opt,name=memory_commit_bytes,json=memoryCommitBytes,proto3" json:"memory_commit_bytes,omitempty"`
+	MemoryWorkingSetPrivateBytes uint64                      `protobuf:"varint,5,opt,name=memory_working_set_private_bytes,json=memoryWorkingSetPrivateBytes,proto3" json:"memory_working_set_private_bytes,omitempty"`
+	MemoryWorkingSetSharedBytes  uint64                      `protobuf:"varint,6,opt,name=memory_working_set_shared_bytes,json=memoryWorkingSetSharedBytes,proto3" json:"memory_working_set_shared_bytes,omitempty"`
+	ProcessID                    uint32                      `protobuf:"varint,7,opt,name=process_id,json=processId,proto3" json:"process_id,omitempty"`
+	UserTime_100Ns               uint64                      `protobuf:"varint,8,opt,name=user_time_100_ns,json=userTime100Ns,proto3" json:"user_time_100_ns,omitempty"`
+}
+
+func (m *ProcessDetails) Reset()                    { *m = ProcessDetails{} }
+func (*ProcessDetails) ProtoMessage()               {}
+func (*ProcessDetails) Descriptor() ([]byte, []int) { return fileDescriptorHcsshim, []int{1} }
+
 func init() {
 	proto.RegisterType((*CreateOptions)(nil), "containerd.windows.hcsshim.CreateOptions")
+	proto.RegisterType((*ProcessDetails)(nil), "containerd.windows.hcsshim.ProcessDetails")
 }
 func (m *CreateOptions) Marshal() (dAtA []byte, err error) {
 	size := m.Size()
@@ -77,6 +97,70 @@ func (m *CreateOptions) MarshalTo(dAtA []byte) (int, error) {
 	return i, nil
 }
 
+func (m *ProcessDetails) 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 *ProcessDetails) MarshalTo(dAtA []byte) (int, error) {
+	var i int
+	_ = i
+	var l int
+	_ = l
+	if len(m.ImageName) > 0 {
+		dAtA[i] = 0xa
+		i++
+		i = encodeVarintHcsshim(dAtA, i, uint64(len(m.ImageName)))
+		i += copy(dAtA[i:], m.ImageName)
+	}
+	if m.CreatedAt != nil {
+		dAtA[i] = 0x12
+		i++
+		i = encodeVarintHcsshim(dAtA, i, uint64(m.CreatedAt.Size()))
+		n2, err := m.CreatedAt.MarshalTo(dAtA[i:])
+		if err != nil {
+			return 0, err
+		}
+		i += n2
+	}
+	if m.KernelTime_100Ns != 0 {
+		dAtA[i] = 0x18
+		i++
+		i = encodeVarintHcsshim(dAtA, i, uint64(m.KernelTime_100Ns))
+	}
+	if m.MemoryCommitBytes != 0 {
+		dAtA[i] = 0x20
+		i++
+		i = encodeVarintHcsshim(dAtA, i, uint64(m.MemoryCommitBytes))
+	}
+	if m.MemoryWorkingSetPrivateBytes != 0 {
+		dAtA[i] = 0x28
+		i++
+		i = encodeVarintHcsshim(dAtA, i, uint64(m.MemoryWorkingSetPrivateBytes))
+	}
+	if m.MemoryWorkingSetSharedBytes != 0 {
+		dAtA[i] = 0x30
+		i++
+		i = encodeVarintHcsshim(dAtA, i, uint64(m.MemoryWorkingSetSharedBytes))
+	}
+	if m.ProcessID != 0 {
+		dAtA[i] = 0x38
+		i++
+		i = encodeVarintHcsshim(dAtA, i, uint64(m.ProcessID))
+	}
+	if m.UserTime_100Ns != 0 {
+		dAtA[i] = 0x40
+		i++
+		i = encodeVarintHcsshim(dAtA, i, uint64(m.UserTime_100Ns))
+	}
+	return i, nil
+}
+
 func encodeFixed64Hcsshim(dAtA []byte, offset int, v uint64) int {
 	dAtA[offset] = uint8(v)
 	dAtA[offset+1] = uint8(v >> 8)
@@ -112,6 +196,38 @@ func (m *CreateOptions) Size() (n int) {
 	return n
 }
 
+func (m *ProcessDetails) Size() (n int) {
+	var l int
+	_ = l
+	l = len(m.ImageName)
+	if l > 0 {
+		n += 1 + l + sovHcsshim(uint64(l))
+	}
+	if m.CreatedAt != nil {
+		l = m.CreatedAt.Size()
+		n += 1 + l + sovHcsshim(uint64(l))
+	}
+	if m.KernelTime_100Ns != 0 {
+		n += 1 + sovHcsshim(uint64(m.KernelTime_100Ns))
+	}
+	if m.MemoryCommitBytes != 0 {
+		n += 1 + sovHcsshim(uint64(m.MemoryCommitBytes))
+	}
+	if m.MemoryWorkingSetPrivateBytes != 0 {
+		n += 1 + sovHcsshim(uint64(m.MemoryWorkingSetPrivateBytes))
+	}
+	if m.MemoryWorkingSetSharedBytes != 0 {
+		n += 1 + sovHcsshim(uint64(m.MemoryWorkingSetSharedBytes))
+	}
+	if m.ProcessID != 0 {
+		n += 1 + sovHcsshim(uint64(m.ProcessID))
+	}
+	if m.UserTime_100Ns != 0 {
+		n += 1 + sovHcsshim(uint64(m.UserTime_100Ns))
+	}
+	return n
+}
+
 func sovHcsshim(x uint64) (n int) {
 	for {
 		n++
@@ -135,6 +251,23 @@ func (this *CreateOptions) String() string {
 	}, "")
 	return s
 }
+func (this *ProcessDetails) String() string {
+	if this == nil {
+		return "nil"
+	}
+	s := strings.Join([]string{`&ProcessDetails{`,
+		`ImageName:` + fmt.Sprintf("%v", this.ImageName) + `,`,
+		`CreatedAt:` + strings.Replace(fmt.Sprintf("%v", this.CreatedAt), "Timestamp", "google_protobuf2.Timestamp", 1) + `,`,
+		`KernelTime_100Ns:` + fmt.Sprintf("%v", this.KernelTime_100Ns) + `,`,
+		`MemoryCommitBytes:` + fmt.Sprintf("%v", this.MemoryCommitBytes) + `,`,
+		`MemoryWorkingSetPrivateBytes:` + fmt.Sprintf("%v", this.MemoryWorkingSetPrivateBytes) + `,`,
+		`MemoryWorkingSetSharedBytes:` + fmt.Sprintf("%v", this.MemoryWorkingSetSharedBytes) + `,`,
+		`ProcessID:` + fmt.Sprintf("%v", this.ProcessID) + `,`,
+		`UserTime_100Ns:` + fmt.Sprintf("%v", this.UserTime_100Ns) + `,`,
+		`}`,
+	}, "")
+	return s
+}
 func valueToStringHcsshim(v interface{}) string {
 	rv := reflect.ValueOf(v)
 	if rv.IsNil() {
@@ -223,6 +356,232 @@ func (m *CreateOptions) Unmarshal(dAtA []byte) error {
 	}
 	return nil
 }
+func (m *ProcessDetails) 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 ErrIntOverflowHcsshim
+			}
+			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: ProcessDetails: wiretype end group for non-group")
+		}
+		if fieldNum <= 0 {
+			return fmt.Errorf("proto: ProcessDetails: illegal tag %d (wire type %d)", fieldNum, wire)
+		}
+		switch fieldNum {
+		case 1:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field ImageName", wireType)
+			}
+			var stringLen uint64
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowHcsshim
+				}
+				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 ErrInvalidLengthHcsshim
+			}
+			postIndex := iNdEx + intStringLen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			m.ImageName = string(dAtA[iNdEx:postIndex])
+			iNdEx = postIndex
+		case 2:
+			if wireType != 2 {
+				return fmt.Errorf("proto: wrong wireType = %d for field CreatedAt", wireType)
+			}
+			var msglen int
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowHcsshim
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				msglen |= (int(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+			if msglen < 0 {
+				return ErrInvalidLengthHcsshim
+			}
+			postIndex := iNdEx + msglen
+			if postIndex > l {
+				return io.ErrUnexpectedEOF
+			}
+			if m.CreatedAt == nil {
+				m.CreatedAt = &google_protobuf2.Timestamp{}
+			}
+			if err := m.CreatedAt.Unmarshal(dAtA[iNdEx:postIndex]); err != nil {
+				return err
+			}
+			iNdEx = postIndex
+		case 3:
+			if wireType != 0 {
+				return fmt.Errorf("proto: wrong wireType = %d for field KernelTime_100Ns", wireType)
+			}
+			m.KernelTime_100Ns = 0
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowHcsshim
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				m.KernelTime_100Ns |= (uint64(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+		case 4:
+			if wireType != 0 {
+				return fmt.Errorf("proto: wrong wireType = %d for field MemoryCommitBytes", wireType)
+			}
+			m.MemoryCommitBytes = 0
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowHcsshim
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				m.MemoryCommitBytes |= (uint64(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+		case 5:
+			if wireType != 0 {
+				return fmt.Errorf("proto: wrong wireType = %d for field MemoryWorkingSetPrivateBytes", wireType)
+			}
+			m.MemoryWorkingSetPrivateBytes = 0
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowHcsshim
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				m.MemoryWorkingSetPrivateBytes |= (uint64(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+		case 6:
+			if wireType != 0 {
+				return fmt.Errorf("proto: wrong wireType = %d for field MemoryWorkingSetSharedBytes", wireType)
+			}
+			m.MemoryWorkingSetSharedBytes = 0
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowHcsshim
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				m.MemoryWorkingSetSharedBytes |= (uint64(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+		case 7:
+			if wireType != 0 {
+				return fmt.Errorf("proto: wrong wireType = %d for field ProcessID", wireType)
+			}
+			m.ProcessID = 0
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowHcsshim
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				m.ProcessID |= (uint32(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+		case 8:
+			if wireType != 0 {
+				return fmt.Errorf("proto: wrong wireType = %d for field UserTime_100Ns", wireType)
+			}
+			m.UserTime_100Ns = 0
+			for shift := uint(0); ; shift += 7 {
+				if shift >= 64 {
+					return ErrIntOverflowHcsshim
+				}
+				if iNdEx >= l {
+					return io.ErrUnexpectedEOF
+				}
+				b := dAtA[iNdEx]
+				iNdEx++
+				m.UserTime_100Ns |= (uint64(b) & 0x7F) << shift
+				if b < 0x80 {
+					break
+				}
+			}
+		default:
+			iNdEx = preIndex
+			skippy, err := skipHcsshim(dAtA[iNdEx:])
+			if err != nil {
+				return err
+			}
+			if skippy < 0 {
+				return ErrInvalidLengthHcsshim
+			}
+			if (iNdEx + skippy) > l {
+				return io.ErrUnexpectedEOF
+			}
+			iNdEx += skippy
+		}
+	}
+
+	if iNdEx > l {
+		return io.ErrUnexpectedEOF
+	}
+	return nil
+}
 func skipHcsshim(dAtA []byte) (n int, err error) {
 	l := len(dAtA)
 	iNdEx := 0
@@ -333,20 +692,35 @@ func init() {
 }
 
 var fileDescriptorHcsshim = []byte{
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+	0xd5, 0xae, 0x56, 0xc2, 0xca, 0xf0, 0xd6, 0x20, 0x18, 0xf6, 0xb2, 0x5e, 0x73, 0x1e, 0x77, 0x7d,
+	0xd9, 0x07, 0xe3, 0xbc, 0xeb, 0x81, 0x83, 0x12, 0x3f, 0x45, 0xf7, 0xe6, 0x1a, 0xd4, 0x5f, 0xb5,
+	0x6c, 0xdb, 0x25, 0xbd, 0xf6, 0x7c, 0x5d, 0x4a, 0x76, 0xb2, 0xbc, 0x88, 0x3a, 0x3f, 0x2e, 0xa2,
+	0xce, 0x97, 0x26, 0x0a, 0x96, 0x4d, 0x14, 0x7c, 0x6f, 0xa2, 0xe0, 0x57, 0x13, 0x05, 0x27, 0x6f,
+	0xae, 0xf3, 0x93, 0xbf, 0xbe, 0x34, 0x4f, 0xb6, 0xec, 0xc7, 0x7b, 0xf9, 0x3b, 0x00, 0x00, 0xff,
+	0xff, 0x75, 0x5d, 0xc9, 0xa6, 0x2f, 0x03, 0x00, 0x00,
 }

windows/hcsshimopts/hcsshim.proto

@@ -4,9 +4,23 @@ package containerd.windows.hcsshim;
 
 import "gogoproto/gogo.proto";
 import "google/protobuf/duration.proto";
+import "google/protobuf/timestamp.proto";
 
 option go_package = "github.com/containerd/containerd/windows/hcsshimopts;hcsshimopts";
 
 message CreateOptions {
 	google.protobuf.Duration terminate_duration = 1 [(gogoproto.stdduration) = true, (gogoproto.nullable) = false];
 }
+
+// ProcessDetails contains additional information about a process
+// ProcessDetails is made of the same fields as found in hcsshim.ProcessListItem
+message ProcessDetails {
+	string image_name = 1;
+	google.protobuf.Timestamp created_at = 2;
+	uint64 kernel_time_100_ns = 3;
+	uint64 memory_commit_bytes = 4;
+	uint64 memory_working_set_private_bytes = 5;
+	uint64 memory_working_set_shared_bytes = 6;
+	uint32 process_id = 7;
+	uint64 user_time_100_ns = 8;
+}

windows/hcsshimopts/next.pb.txt

@@ -29,11 +29,43 @@ file {
   }
   syntax: "proto3"
 }
+file {
+  name: "google/protobuf/timestamp.proto"
+  package: "google.protobuf"
+  message_type {
+    name: "Timestamp"
+    field {
+      name: "seconds"
+      number: 1
+      label: LABEL_OPTIONAL
+      type: TYPE_INT64
+      json_name: "seconds"
+    }
+    field {
+      name: "nanos"
+      number: 2
+      label: LABEL_OPTIONAL
+      type: TYPE_INT32
+      json_name: "nanos"
+    }
+  }
+  options {
+    java_package: "com.google.protobuf"
+    java_outer_classname: "TimestampProto"
+    java_multiple_files: true
+    go_package: "github.com/golang/protobuf/ptypes/timestamp"
+    cc_enable_arenas: true
+    objc_class_prefix: "GPB"
+    csharp_namespace: "Google.Protobuf.WellKnownTypes"
+  }
+  syntax: "proto3"
+}
 file {
   name: "github.com/containerd/containerd/windows/hcsshimopts/hcsshim.proto"
   package: "containerd.windows.hcsshim"
   dependency: "gogoproto/gogo.proto"
   dependency: "google/protobuf/duration.proto"
+  dependency: "google/protobuf/timestamp.proto"
   message_type {
     name: "CreateOptions"
     field {
@@ -49,6 +81,66 @@ file {
       json_name: "terminateDuration"
     }
   }
+  message_type {
+    name: "ProcessDetails"
+    field {
+      name: "image_name"
+      number: 1
+      label: LABEL_OPTIONAL
+      type: TYPE_STRING
+      json_name: "imageName"
+    }
+    field {
+      name: "created_at"
+      number: 2
+      label: LABEL_OPTIONAL
+      type: TYPE_MESSAGE
+      type_name: ".google.protobuf.Timestamp"
+      json_name: "createdAt"
+    }
+    field {
+      name: "kernel_time_100_ns"
+      number: 3
+      label: LABEL_OPTIONAL
+      type: TYPE_UINT64
+      json_name: "kernelTime100Ns"
+    }
+    field {
+      name: "memory_commit_bytes"
+      number: 4
+      label: LABEL_OPTIONAL
+      type: TYPE_UINT64
+      json_name: "memoryCommitBytes"
+    }
+    field {
+      name: "memory_working_set_private_bytes"
+      number: 5
+      label: LABEL_OPTIONAL
+      type: TYPE_UINT64
+      json_name: "memoryWorkingSetPrivateBytes"
+    }
+    field {
+      name: "memory_working_set_shared_bytes"
+      number: 6
+      label: LABEL_OPTIONAL
+      type: TYPE_UINT64
+      json_name: "memoryWorkingSetSharedBytes"
+    }
+    field {
+      name: "process_id"
+      number: 7
+      label: LABEL_OPTIONAL
+      type: TYPE_UINT32
+      json_name: "processId"
+    }
+    field {
+      name: "user_time_100_ns"
+      number: 8
+      label: LABEL_OPTIONAL
+      type: TYPE_UINT64
+      json_name: "userTime100Ns"
+    }
+  }
   options {
     go_package: "github.com/containerd/containerd/windows/hcsshimopts;hcsshimopts"
   }

windows/task.go

@@ -12,6 +12,7 @@ import (
 	"github.com/containerd/containerd/errdefs"
 	"github.com/containerd/containerd/events"
 	"github.com/containerd/containerd/runtime"
+	"github.com/containerd/containerd/windows/hcsshimopts"
 	"github.com/containerd/typeurl"
 	"github.com/gogo/protobuf/types"
 	specs "github.com/opencontainers/runtime-spec/specs-go"
@@ -213,20 +214,28 @@ func (t *task) Exec(ctx context.Context, id string, opts runtime.ExecOpts) (runt
 	return p, nil
 }
 
-func (t *task) Pids(ctx context.Context) ([]uint32, error) {
+func (t *task) Pids(ctx context.Context) ([]runtime.ProcessInfo, error) {
 	t.Lock()
 	defer t.Unlock()
 
-	var (
-		pids = make([]uint32, len(t.processes))
-		idx  = 0
-	)
-	for _, p := range t.processes {
-		pids[idx] = p.Pid()
-		idx++
+	var infoList []runtime.ProcessInfo
+	hcsProcessList, err := t.hcsContainer.ProcessList()
+	if err != nil {
+		return nil, err
 	}
 
-	return pids, nil
+	for _, process := range hcsProcessList {
+		info, err := t.convertToProcessDetails(process)
+		if err != nil {
+			return nil, err
+		}
+		infoList = append(infoList, runtime.ProcessInfo{
+			Pid:  process.ProcessId,
+			Info: info,
+		})
+	}
+
+	return infoList, nil
 }
 
 func (t *task) Checkpoint(_ context.Context, _ string, _ *types.Any) error {
@@ -388,3 +397,21 @@ func (t *task) cleanup() {
 	removeLayer(context.Background(), t.rwLayer)
 	t.Unlock()
 }
+
+// convertToProcessDetails converts a given hcsshim ProcessListItem to proto ProcessDetails
+func (t *task) convertToProcessDetails(p hcsshim.ProcessListItem) (*hcsshimopts.ProcessDetails, error) {
+	protobufTime, err := types.TimestampProto(p.CreateTimestamp)
+	if err != nil {
+		return nil, errors.Wrapf(errdefs.ErrInvalidArgument, "failed to convert timestamp for process pid: %d\n", p.ProcessId)
+	}
+	return &hcsshimopts.ProcessDetails{
+		ImageName:                    p.ImageName,
+		CreatedAt:                    protobufTime,
+		KernelTime_100Ns:             p.KernelTime100ns,
+		MemoryCommitBytes:            p.MemoryCommitBytes,
+		MemoryWorkingSetPrivateBytes: p.MemoryWorkingSetPrivateBytes,
+		MemoryWorkingSetSharedBytes:  p.MemoryWorkingSetSharedBytes,
+		ProcessID:                    p.ProcessId,
+		UserTime_100Ns:               p.UserTime100ns,
+	}, nil
+}