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Code Issues Projects Releases Wiki Activity

kubelet: support structured parameters for preparing resources

Browse Source 
If the resource handle has data from a structured parameter model, then we need
to pass that to the DRA driver kubelet plugin. Because Kubernetes uses
gogo/protobuf, we cannot use "optional" for that new optional field and have to
resort to "repeated" with a single repetition if present.

This is a new, backwards-compatible field.

That extending the resource.k8s.io changes the checksum of a kubelet checkpoint
is unfortunate. Updating the test cases is a stop-gap measure, the actual
solution will have to be something else before beta.
This commit is contained in:
Patrick Ohly
2024-02-20 18:17:51 +01:00
parent 4ed2b3eaeb
commit 6f1ddfcd2e
8 changed files with 381 additions and 84 deletions
Download Patch File Download Diff File Expand all files Collapse all files

210
staging/src/k8s.io/kubelet/pkg/apis/dra/v1alpha2/api.pb.go
View File

@@ -28,6 +28,7 @@ import (
codes "google.golang.org/grpc/codes"
status "google.golang.org/grpc/status"
io "io"
v1alpha2 "k8s.io/api/resource/v1alpha2"
math "math"
math_bits "math/bits"
reflect "reflect"
@@ -57,9 +58,15 @@ type NodePrepareResourceRequest struct {
ClaimName string `protobuf:"bytes,3,opt,name=claim_name,json=claimName,proto3" json:"claim_name,omitempty"`
// Resource handle (AllocationResult.ResourceHandles[*].Data)
// This field is REQUIRED.
ResourceHandle string `protobuf:"bytes,4,opt,name=resource_handle,json=resourceHandle,proto3" json:"resource_handle,omitempty"`
XXX_NoUnkeyedLiteral struct{} `json:"-"`
XXX_sizecache int32 `json:"-"`
ResourceHandle string `protobuf:"bytes,4,opt,name=resource_handle,json=resourceHandle,proto3" json:"resource_handle,omitempty"`
// Structured parameter resource handle (AllocationResult.ResourceHandles[*].StructuredData).
// This field is OPTIONAL. If present, it needs to be used
// instead of resource_handle. It will only have a single entry.
//
// Using "repeated" instead of "optional" is a workaround for https://github.com/gogo/protobuf/issues/713.
StructuredResourceHandle []*v1alpha2.StructuredResourceHandle `protobuf:"bytes,5,rep,name=structured_resource_handle,json=structuredResourceHandle,proto3" json:"structured_resource_handle,omitempty"`
XXX_NoUnkeyedLiteral struct{} `json:"-"`
XXX_sizecache int32 `json:"-"`
}
func (m *NodePrepareResourceRequest) Reset() { *m = NodePrepareResourceRequest{} }
@@ -122,6 +129,13 @@ func (m *NodePrepareResourceRequest) GetResourceHandle() string {
return ""
}
func (m *NodePrepareResourceRequest) GetStructuredResourceHandle() []*v1alpha2.StructuredResourceHandle {
if m != nil {
return m.StructuredResourceHandle
}
return nil
}
type NodePrepareResourceResponse struct {
// These are the additional devices that kubelet must
// make available via the container runtime. A resource
@@ -182,9 +196,13 @@ type NodeUnprepareResourceRequest struct {
ClaimName string `protobuf:"bytes,3,opt,name=claim_name,json=claimName,proto3" json:"claim_name,omitempty"`
// Resource handle (AllocationResult.ResourceHandles[*].Data)
// This field is REQUIRED.
ResourceHandle string `protobuf:"bytes,4,opt,name=resource_handle,json=resourceHandle,proto3" json:"resource_handle,omitempty"`
XXX_NoUnkeyedLiteral struct{} `json:"-"`
XXX_sizecache int32 `json:"-"`
ResourceHandle string `protobuf:"bytes,4,opt,name=resource_handle,json=resourceHandle,proto3" json:"resource_handle,omitempty"`
// Structured parameter resource handle (AllocationResult.ResourceHandles[*].StructuredData).
// This field is OPTIONAL. If present, it needs to be used
// instead of resource_handle. It will only have a single entry.
StructuredResourceHandle []*v1alpha2.StructuredResourceHandle `protobuf:"bytes,5,rep,name=structured_resource_handle,json=structuredResourceHandle,proto3" json:"structured_resource_handle,omitempty"`
XXX_NoUnkeyedLiteral struct{} `json:"-"`
XXX_sizecache int32 `json:"-"`
}
func (m *NodeUnprepareResourceRequest) Reset() { *m = NodeUnprepareResourceRequest{} }
@@ -247,6 +265,13 @@ func (m *NodeUnprepareResourceRequest) GetResourceHandle() string {
return ""
}
func (m *NodeUnprepareResourceRequest) GetStructuredResourceHandle() []*v1alpha2.StructuredResourceHandle {
if m != nil {
return m.StructuredResourceHandle
}
return nil
}
type NodeUnprepareResourceResponse struct {
XXX_NoUnkeyedLiteral struct{} `json:"-"`
XXX_sizecache int32 `json:"-"`
@@ -294,31 +319,34 @@ func init() {
func init() { proto.RegisterFile("api.proto", fileDescriptor_00212fb1f9d3bf1c) }
var fileDescriptor_00212fb1f9d3bf1c = []byte{
// 369 bytes of a gzipped FileDescriptorProto
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0x00,
// 432 bytes of a gzipped FileDescriptorProto
0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0xec, 0x53, 0x4d, 0x6f, 0xd3, 0x40,
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}
// Reference imports to suppress errors if they are not otherwise used.
@@ -457,6 +485,20 @@ func (m *NodePrepareResourceRequest) MarshalToSizedBuffer(dAtA []byte) (int, err
_ = i
var l int
_ = l
if len(m.StructuredResourceHandle) > 0 {
for iNdEx := len(m.StructuredResourceHandle) - 1; iNdEx >= 0; iNdEx-- {
{
size, err := m.StructuredResourceHandle[iNdEx].MarshalToSizedBuffer(dAtA[:i])
if err != nil {
return 0, err
}
i -= size
i = encodeVarintApi(dAtA, i, uint64(size))
}
i--
dAtA[i] = 0x2a
}
}
if len(m.ResourceHandle) > 0 {
i -= len(m.ResourceHandle)
copy(dAtA[i:], m.ResourceHandle)
@@ -540,6 +582,20 @@ func (m *NodeUnprepareResourceRequest) MarshalToSizedBuffer(dAtA []byte) (int, e
_ = i
var l int
_ = l
if len(m.StructuredResourceHandle) > 0 {
for iNdEx := len(m.StructuredResourceHandle) - 1; iNdEx >= 0; iNdEx-- {
{
size, err := m.StructuredResourceHandle[iNdEx].MarshalToSizedBuffer(dAtA[:i])
if err != nil {
return 0, err
}
i -= size
i = encodeVarintApi(dAtA, i, uint64(size))
}
i--
dAtA[i] = 0x2a
}
}
if len(m.ResourceHandle) > 0 {
i -= len(m.ResourceHandle)
copy(dAtA[i:], m.ResourceHandle)
@@ -627,6 +683,12 @@ func (m *NodePrepareResourceRequest) Size() (n int) {
if l > 0 {
n += 1 + l + sovApi(uint64(l))
}
if len(m.StructuredResourceHandle) > 0 {
for _, e := range m.StructuredResourceHandle {
l = e.Size()
n += 1 + l + sovApi(uint64(l))
}
}
return n
}
@@ -667,6 +729,12 @@ func (m *NodeUnprepareResourceRequest) Size() (n int) {
if l > 0 {
n += 1 + l + sovApi(uint64(l))
}
if len(m.StructuredResourceHandle) > 0 {
for _, e := range m.StructuredResourceHandle {
l = e.Size()
n += 1 + l + sovApi(uint64(l))
}
}
return n
}
@@ -689,11 +757,17 @@ func (this *NodePrepareResourceRequest) String() string {
if this == nil {
return "nil"
}
repeatedStringForStructuredResourceHandle := "[]*StructuredResourceHandle{"
for _, f := range this.StructuredResourceHandle {
repeatedStringForStructuredResourceHandle += strings.Replace(fmt.Sprintf("%v", f), "StructuredResourceHandle", "v1alpha2.StructuredResourceHandle", 1) + ","
}
repeatedStringForStructuredResourceHandle += "}"
s := strings.Join([]string{`&NodePrepareResourceRequest{`,
`Namespace:` + fmt.Sprintf("%v", this.Namespace) + `,`,
`ClaimUid:` + fmt.Sprintf("%v", this.ClaimUid) + `,`,
`ClaimName:` + fmt.Sprintf("%v", this.ClaimName) + `,`,
`ResourceHandle:` + fmt.Sprintf("%v", this.ResourceHandle) + `,`,
`StructuredResourceHandle:` + repeatedStringForStructuredResourceHandle + `,`,
`}`,
}, "")
return s
@@ -712,11 +786,17 @@ func (this *NodeUnprepareResourceRequest) String() string {
if this == nil {
return "nil"
}
repeatedStringForStructuredResourceHandle := "[]*StructuredResourceHandle{"
for _, f := range this.StructuredResourceHandle {
repeatedStringForStructuredResourceHandle += strings.Replace(fmt.Sprintf("%v", f), "StructuredResourceHandle", "v1alpha2.StructuredResourceHandle", 1) + ","
}
repeatedStringForStructuredResourceHandle += "}"
s := strings.Join([]string{`&NodeUnprepareResourceRequest{`,
`Namespace:` + fmt.Sprintf("%v", this.Namespace) + `,`,
`ClaimUid:` + fmt.Sprintf("%v", this.ClaimUid) + `,`,
`ClaimName:` + fmt.Sprintf("%v", this.ClaimName) + `,`,
`ResourceHandle:` + fmt.Sprintf("%v", this.ResourceHandle) + `,`,
`StructuredResourceHandle:` + repeatedStringForStructuredResourceHandle + `,`,
`}`,
}, "")
return s
@@ -895,6 +975,40 @@ func (m *NodePrepareResourceRequest) Unmarshal(dAtA []byte) error {
}
m.ResourceHandle = string(dAtA[iNdEx:postIndex])
iNdEx = postIndex
case 5:
if wireType != 2 {
return fmt.Errorf("proto: wrong wireType = %d for field StructuredResourceHandle", wireType)
}
var msglen int
for shift := uint(0); ; shift += 7 {
if shift >= 64 {
return ErrIntOverflowApi
}
if iNdEx >= l {
return io.ErrUnexpectedEOF
}
b := dAtA[iNdEx]
iNdEx++
msglen |= int(b&0x7F) << shift
if b < 0x80 {
break
}
}
if msglen < 0 {
return ErrInvalidLengthApi
}
postIndex := iNdEx + msglen
if postIndex < 0 {
return ErrInvalidLengthApi
}
if postIndex > l {
return io.ErrUnexpectedEOF
}
m.StructuredResourceHandle = append(m.StructuredResourceHandle, &v1alpha2.StructuredResourceHandle{})
if err := m.StructuredResourceHandle[len(m.StructuredResourceHandle)-1].Unmarshal(dAtA[iNdEx:postIndex]); err != nil {
return err
}
iNdEx = postIndex
default:
iNdEx = preIndex
skippy, err := skipApi(dAtA[iNdEx:])
@@ -1155,6 +1269,40 @@ func (m *NodeUnprepareResourceRequest) Unmarshal(dAtA []byte) error {
}
m.ResourceHandle = string(dAtA[iNdEx:postIndex])
iNdEx = postIndex
case 5:
if wireType != 2 {
return fmt.Errorf("proto: wrong wireType = %d for field StructuredResourceHandle", wireType)
}
var msglen int
for shift := uint(0); ; shift += 7 {
if shift >= 64 {
return ErrIntOverflowApi
}
if iNdEx >= l {
return io.ErrUnexpectedEOF
}
b := dAtA[iNdEx]
iNdEx++
msglen |= int(b&0x7F) << shift
if b < 0x80 {
break
}
}
if msglen < 0 {
return ErrInvalidLengthApi
}
postIndex := iNdEx + msglen
if postIndex < 0 {
return ErrInvalidLengthApi
}
if postIndex > l {
return io.ErrUnexpectedEOF
}
m.StructuredResourceHandle = append(m.StructuredResourceHandle, &v1alpha2.StructuredResourceHandle{})
if err := m.StructuredResourceHandle[len(m.StructuredResourceHandle)-1].Unmarshal(dAtA[iNdEx:postIndex]); err != nil {
return err
}
iNdEx = postIndex
default:
iNdEx = preIndex
skippy, err := skipApi(dAtA[iNdEx:])

11
staging/src/k8s.io/kubelet/pkg/apis/dra/v1alpha2/api.proto
View File

@@ -22,6 +22,7 @@ package v1alpha2;
option go_package = "k8s.io/kubelet/pkg/apis/dra/v1alpha2";
import "github.com/gogo/protobuf/gogoproto/gogo.proto";
import "k8s.io/api/resource/v1alpha2/generated.proto";
option (gogoproto.goproto_stringer_all) = false;
option (gogoproto.stringer_all) = true;
@@ -52,6 +53,12 @@ message NodePrepareResourceRequest {
// Resource handle (AllocationResult.ResourceHandles[*].Data)
// This field is REQUIRED.
string resource_handle = 4;
// Structured parameter resource handle (AllocationResult.ResourceHandles[*].StructuredData).
// This field is OPTIONAL. If present, it needs to be used
// instead of resource_handle. It will only have a single entry.
//
// Using "repeated" instead of "optional" is a workaround for https://github.com/gogo/protobuf/issues/713.
repeated k8s.io.api.resource.v1alpha2.StructuredResourceHandle structured_resource_handle = 5;
}
message NodePrepareResourceResponse {
@@ -74,6 +81,10 @@ message NodeUnprepareResourceRequest {
// Resource handle (AllocationResult.ResourceHandles[*].Data)
// This field is REQUIRED.
string resource_handle = 4;
// Structured parameter resource handle (AllocationResult.ResourceHandles[*].StructuredData).
// This field is OPTIONAL. If present, it needs to be used
// instead of resource_handle. It will only have a single entry.
repeated k8s.io.api.resource.v1alpha2.StructuredResourceHandle structured_resource_handle = 5;
}
message NodeUnprepareResourceResponse {

150
staging/src/k8s.io/kubelet/pkg/apis/dra/v1alpha3/api.pb.go
View File

@@ -29,6 +29,7 @@ import (
codes "google.golang.org/grpc/codes"
status "google.golang.org/grpc/status"
io "io"
v1alpha2 "k8s.io/api/resource/v1alpha2"
math "math"
math_bits "math/bits"
reflect "reflect"
@@ -353,9 +354,15 @@ type Claim struct {
Name string `protobuf:"bytes,3,opt,name=name,proto3" json:"name,omitempty"`
// Resource handle (AllocationResult.ResourceHandles[*].Data)
// This field is REQUIRED.
ResourceHandle string `protobuf:"bytes,4,opt,name=resource_handle,json=resourceHandle,proto3" json:"resource_handle,omitempty"`
XXX_NoUnkeyedLiteral struct{} `json:"-"`
XXX_sizecache int32 `json:"-"`
ResourceHandle string `protobuf:"bytes,4,opt,name=resource_handle,json=resourceHandle,proto3" json:"resource_handle,omitempty"`
// Structured parameter resource handle (AllocationResult.ResourceHandles[*].StructuredData).
// This field is OPTIONAL. If present, it needs to be used
// instead of resource_handle. It will only have a single entry.
//
// Using "repeated" instead of "optional" is a workaround for https://github.com/gogo/protobuf/issues/713.
StructuredResourceHandle []*v1alpha2.StructuredResourceHandle `protobuf:"bytes,5,rep,name=structured_resource_handle,json=structuredResourceHandle,proto3" json:"structured_resource_handle,omitempty"`
XXX_NoUnkeyedLiteral struct{} `json:"-"`
XXX_sizecache int32 `json:"-"`
}
func (m *Claim) Reset() { *m = Claim{} }
@@ -418,6 +425,13 @@ func (m *Claim) GetResourceHandle() string {
return ""
}
func (m *Claim) GetStructuredResourceHandle() []*v1alpha2.StructuredResourceHandle {
if m != nil {
return m.StructuredResourceHandle
}
return nil
}
func init() {
proto.RegisterType((*NodePrepareResourcesRequest)(nil), "v1alpha3.NodePrepareResourcesRequest")
proto.RegisterType((*NodePrepareResourcesResponse)(nil), "v1alpha3.NodePrepareResourcesResponse")
@@ -433,39 +447,43 @@ func init() {
func init() { proto.RegisterFile("api.proto", fileDescriptor_00212fb1f9d3bf1c) }
var fileDescriptor_00212fb1f9d3bf1c = []byte{
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}
// Reference imports to suppress errors if they are not otherwise used.
@@ -857,6 +875,20 @@ func (m *Claim) MarshalToSizedBuffer(dAtA []byte) (int, error) {
_ = i
var l int
_ = l
if len(m.StructuredResourceHandle) > 0 {
for iNdEx := len(m.StructuredResourceHandle) - 1; iNdEx >= 0; iNdEx-- {
{
size, err := m.StructuredResourceHandle[iNdEx].MarshalToSizedBuffer(dAtA[:i])
if err != nil {
return 0, err
}
i -= size
i = encodeVarintApi(dAtA, i, uint64(size))
}
i--
dAtA[i] = 0x2a
}
}
if len(m.ResourceHandle) > 0 {
i -= len(m.ResourceHandle)
copy(dAtA[i:], m.ResourceHandle)
@@ -1027,6 +1059,12 @@ func (m *Claim) Size() (n int) {
if l > 0 {
n += 1 + l + sovApi(uint64(l))
}
if len(m.StructuredResourceHandle) > 0 {
for _, e := range m.StructuredResourceHandle {
l = e.Size()
n += 1 + l + sovApi(uint64(l))
}
}
return n
}
@@ -1131,11 +1169,17 @@ func (this *Claim) String() string {
if this == nil {
return "nil"
}
repeatedStringForStructuredResourceHandle := "[]*StructuredResourceHandle{"
for _, f := range this.StructuredResourceHandle {
repeatedStringForStructuredResourceHandle += strings.Replace(fmt.Sprintf("%v", f), "StructuredResourceHandle", "v1alpha2.StructuredResourceHandle", 1) + ","
}
repeatedStringForStructuredResourceHandle += "}"
s := strings.Join([]string{`&Claim{`,
`Namespace:` + fmt.Sprintf("%v", this.Namespace) + `,`,
`Uid:` + fmt.Sprintf("%v", this.Uid) + `,`,
`Name:` + fmt.Sprintf("%v", this.Name) + `,`,
`ResourceHandle:` + fmt.Sprintf("%v", this.ResourceHandle) + `,`,
`StructuredResourceHandle:` + repeatedStringForStructuredResourceHandle + `,`,
`}`,
}, "")
return s
@@ -2027,6 +2071,40 @@ func (m *Claim) Unmarshal(dAtA []byte) error {
}
m.ResourceHandle = string(dAtA[iNdEx:postIndex])
iNdEx = postIndex
case 5:
if wireType != 2 {
return fmt.Errorf("proto: wrong wireType = %d for field StructuredResourceHandle", wireType)
}
var msglen int
for shift := uint(0); ; shift += 7 {
if shift >= 64 {
return ErrIntOverflowApi
}
if iNdEx >= l {
return io.ErrUnexpectedEOF
}
b := dAtA[iNdEx]
iNdEx++
msglen |= int(b&0x7F) << shift
if b < 0x80 {
break
}
}
if msglen < 0 {
return ErrInvalidLengthApi
}
postIndex := iNdEx + msglen
if postIndex < 0 {
return ErrInvalidLengthApi
}
if postIndex > l {
return io.ErrUnexpectedEOF
}
m.StructuredResourceHandle = append(m.StructuredResourceHandle, &v1alpha2.StructuredResourceHandle{})
if err := m.StructuredResourceHandle[len(m.StructuredResourceHandle)-1].Unmarshal(dAtA[iNdEx:postIndex]); err != nil {
return err
}
iNdEx = postIndex
default:
iNdEx = preIndex
skippy, err := skipApi(dAtA[iNdEx:])

7
staging/src/k8s.io/kubelet/pkg/apis/dra/v1alpha3/api.proto
View File

@@ -22,6 +22,7 @@ package v1alpha3;
option go_package = "k8s.io/kubelet/pkg/apis/dra/v1alpha3";
import "github.com/gogo/protobuf/gogoproto/gogo.proto";
import "k8s.io/api/resource/v1alpha2/generated.proto";
option (gogoproto.goproto_stringer_all) = false;
option (gogoproto.stringer_all) = true;
@@ -100,4 +101,10 @@ message Claim {
// Resource handle (AllocationResult.ResourceHandles[*].Data)
// This field is REQUIRED.
string resource_handle = 4;
// Structured parameter resource handle (AllocationResult.ResourceHandles[*].StructuredData).
// This field is OPTIONAL. If present, it needs to be used
// instead of resource_handle. It will only have a single entry.
//
// Using "repeated" instead of "optional" is a workaround for https://github.com/gogo/protobuf/issues/713.
repeated k8s.io.api.resource.v1alpha2.StructuredResourceHandle structured_resource_handle = 5;
}