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name runtime.Schemes so we can see which one fails

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This commit is contained in:
David Eads 2018-07-06 09:18:05 -04:00
parent d3731fe098
commit 340802b079
14 changed files with 248 additions and 117 deletions
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1
staging/src/BUILD
View File

@ -47,6 +47,7 @@ filegroup(
"//staging/src/k8s.io/apimachinery/pkg/util/json:all-srcs",
"//staging/src/k8s.io/apimachinery/pkg/util/jsonmergepatch:all-srcs",
"//staging/src/k8s.io/apimachinery/pkg/util/mergepatch:all-srcs",
"//staging/src/k8s.io/apimachinery/pkg/util/naming:all-srcs",
"//staging/src/k8s.io/apimachinery/pkg/util/net:all-srcs",
"//staging/src/k8s.io/apimachinery/pkg/util/proxy:all-srcs",
"//staging/src/k8s.io/apimachinery/pkg/util/rand:all-srcs",

14
staging/src/k8s.io/apiextensions-apiserver/pkg/apiserver/customresource_handler.go
View File

@ -606,7 +606,7 @@ func (s unstructuredNegotiatedSerializer) SupportedMediaTypes() []runtime.Serial
}
func (s unstructuredNegotiatedSerializer) EncoderForVersion(encoder runtime.Encoder, gv runtime.GroupVersioner) runtime.Encoder {
return versioning.NewCodec(encoder, nil, s.converter, Scheme, Scheme, Scheme, gv, nil)
return versioning.NewCodec(encoder, nil, s.converter, Scheme, Scheme, Scheme, gv, nil, "crdNegotiatedSerializer")
}
func (s unstructuredNegotiatedSerializer) DecoderToVersion(decoder runtime.Decoder, gv runtime.GroupVersioner) runtime.Decoder {
@ -710,7 +710,17 @@ func (t crdConversionRESTOptionsGetter) GetRESTOptions(resource schema.GroupReso
dropInvalidMetadata: true,
}}
c := schemaCoercingConverter{delegate: t.converter, validator: unstructuredSchemaCoercer{}}
ret.StorageConfig.Codec = versioning.NewCodec(ret.StorageConfig.Codec, d, c, &unstructuredCreator{}, crdserverscheme.NewUnstructuredObjectTyper(), &unstructuredDefaulter{delegate: Scheme}, t.encoderVersion, t.decoderVersion)
ret.StorageConfig.Codec = versioning.NewCodec(
ret.StorageConfig.Codec,
d,
c,
&unstructuredCreator{},
crdserverscheme.NewUnstructuredObjectTyper(),
&unstructuredDefaulter{delegate: Scheme},
t.encoderVersion,
t.decoderVersion,
"crdRESTOptions",
)
}
return ret, err
}

1
staging/src/k8s.io/apimachinery/pkg/runtime/BUILD
View File

@ -63,6 +63,7 @@ go_library(
"//staging/src/k8s.io/apimachinery/pkg/runtime/schema:go_default_library",
"//staging/src/k8s.io/apimachinery/pkg/util/errors:go_default_library",
"//staging/src/k8s.io/apimachinery/pkg/util/json:go_default_library",
"//staging/src/k8s.io/apimachinery/pkg/util/naming:go_default_library",
"//staging/src/k8s.io/apimachinery/pkg/util/runtime:go_default_library",
"//staging/src/k8s.io/apimachinery/pkg/util/sets:go_default_library",
"//vendor/github.com/gogo/protobuf/proto:go_default_library",

29
staging/src/k8s.io/apimachinery/pkg/runtime/error.go
View File

@ -24,46 +24,47 @@ import (
)
type notRegisteredErr struct {
schemeName string
gvk schema.GroupVersionKind
target GroupVersioner
t reflect.Type
}
func NewNotRegisteredErrForKind(gvk schema.GroupVersionKind) error {
return &notRegisteredErr{gvk: gvk}
func NewNotRegisteredErrForKind(schemeName string, gvk schema.GroupVersionKind) error {
return &notRegisteredErr{schemeName: schemeName, gvk: gvk}
}
func NewNotRegisteredErrForType(t reflect.Type) error {
return &notRegisteredErr{t: t}
func NewNotRegisteredErrForType(schemeName string, t reflect.Type) error {
return &notRegisteredErr{schemeName: schemeName, t: t}
}
func NewNotRegisteredErrForTarget(t reflect.Type, target GroupVersioner) error {
return &notRegisteredErr{t: t, target: target}
func NewNotRegisteredErrForTarget(schemeName string, t reflect.Type, target GroupVersioner) error {
return &notRegisteredErr{schemeName: schemeName, t: t, target: target}
}
func NewNotRegisteredGVKErrForTarget(gvk schema.GroupVersionKind, target GroupVersioner) error {
return &notRegisteredErr{gvk: gvk, target: target}
func NewNotRegisteredGVKErrForTarget(schemeName string, gvk schema.GroupVersionKind, target GroupVersioner) error {
return &notRegisteredErr{schemeName: schemeName, gvk: gvk, target: target}
}
func (k *notRegisteredErr) Error() string {
if k.t != nil && k.target != nil {
return fmt.Sprintf("%v is not suitable for converting to %q", k.t, k.target)
return fmt.Sprintf("%v is not suitable for converting to %q in scheme %q", k.t, k.target, k.schemeName)
}
nullGVK := schema.GroupVersionKind{}
if k.gvk != nullGVK && k.target != nil {
return fmt.Sprintf("%q is not suitable for converting to %q", k.gvk.GroupVersion(), k.target)
return fmt.Sprintf("%q is not suitable for converting to %q in scheme %q", k.gvk.GroupVersion(), k.target, k.schemeName)
}
if k.t != nil {
return fmt.Sprintf("no kind is registered for the type %v", k.t)
return fmt.Sprintf("no kind is registered for the type %v in scheme %q", k.t, k.schemeName)
}
if len(k.gvk.Kind) == 0 {
return fmt.Sprintf("no version %q has been registered", k.gvk.GroupVersion())
return fmt.Sprintf("no version %q has been registered in scheme %q", k.gvk.GroupVersion(), k.schemeName)
}
if k.gvk.Version == APIVersionInternal {
return fmt.Sprintf("no kind %q is registered for the internal version of group %q", k.gvk.Kind, k.gvk.Group)
return fmt.Sprintf("no kind %q is registered for the internal version of group %q in scheme %q", k.gvk.Kind, k.gvk.Group, k.schemeName)
}
return fmt.Sprintf("no kind %q is registered for version %q", k.gvk.Kind, k.gvk.GroupVersion())
return fmt.Sprintf("no kind %q is registered for version %q in scheme %q", k.gvk.Kind, k.gvk.GroupVersion(), k.schemeName)
}
// IsNotRegisteredError returns true if the error indicates the provided

23
staging/src/k8s.io/apimachinery/pkg/runtime/scheme.go
View File

@ -20,11 +20,11 @@ import (
"fmt"
"net/url"
"reflect"
"strings"
"k8s.io/apimachinery/pkg/conversion"
"k8s.io/apimachinery/pkg/runtime/schema"
"k8s.io/apimachinery/pkg/util/naming"
utilruntime "k8s.io/apimachinery/pkg/util/runtime"
"k8s.io/apimachinery/pkg/util/sets"
)
@ -79,6 +79,10 @@ type Scheme struct {
// observedVersions keeps track of the order we've seen versions during type registration
observedVersions []schema.GroupVersion
// schemeName is the name of this scheme. If you don't specify a name, the stack of the NewScheme caller will be used.
// This is useful for error reporting to indicate the origin of the scheme.
schemeName string
}
// FieldLabelConversionFunc converts a field selector to internal representation.
@ -94,6 +98,7 @@ func NewScheme() *Scheme {
fieldLabelConversionFuncs: map[string]map[string]FieldLabelConversionFunc{},
defaulterFuncs: map[reflect.Type]func(interface{}){},
versionPriority: map[string][]string{},
schemeName: naming.GetNameFromCallsite(internalPackages...),
}
s.converter = conversion.NewConverter(s.nameFunc)
@ -250,7 +255,7 @@ func (s *Scheme) ObjectKinds(obj Object) ([]schema.GroupVersionKind, bool, error
gvks, ok := s.typeToGVK[t]
if !ok {
return nil, false, NewNotRegisteredErrForType(t)
return nil, false, NewNotRegisteredErrForType(s.schemeName, t)
}
_, unversionedType := s.unversionedTypes[t]
@ -288,7 +293,7 @@ func (s *Scheme) New(kind schema.GroupVersionKind) (Object, error) {
if t, exists := s.unversionedKinds[kind.Kind]; exists {
return reflect.New(t).Interface().(Object), nil
}
return nil, NewNotRegisteredErrForKind(kind)
return nil, NewNotRegisteredErrForKind(s.schemeName, kind)
}
// AddGenericConversionFunc adds a function that accepts the ConversionFunc call pattern
@ -536,7 +541,7 @@ func (s *Scheme) convertToVersion(copy bool, in Object, target GroupVersioner) (
kinds, ok := s.typeToGVK[t]
if !ok || len(kinds) == 0 {
return nil, NewNotRegisteredErrForType(t)
return nil, NewNotRegisteredErrForType(s.schemeName, t)
}
gvk, ok := target.KindForGroupVersionKinds(kinds)
@ -549,7 +554,7 @@ func (s *Scheme) convertToVersion(copy bool, in Object, target GroupVersioner) (
}
return copyAndSetTargetKind(copy, in, unversionedKind)
}
return nil, NewNotRegisteredErrForTarget(t, target)
return nil, NewNotRegisteredErrForTarget(s.schemeName, t, target)
}
// target wants to use the existing type, set kind and return (no conversion necessary)
@ -759,3 +764,11 @@ func (s *Scheme) addObservedVersion(version schema.GroupVersion) {
s.observedVersions = append(s.observedVersions, version)
}
func (s *Scheme) Name() string {
return s.schemeName
}
// internalPackages are packages that ignored when creating a default reflector name. These packages are in the common
// call chains to NewReflector, so they'd be low entropy names for reflectors
var internalPackages = []string{"k8s.io/apimachinery/pkg/runtime/scheme.go"}

6
staging/src/k8s.io/apimachinery/pkg/runtime/serializer/json/json_test.go
View File

@ -180,7 +180,7 @@ func TestDecode(t *testing.T) {
{
data: []byte(`{"kind":"Test","apiVersion":"other/blah","value":1,"Other":"test"}`),
into: &testDecodable{},
typer: &mockTyper{err: runtime.NewNotRegisteredErrForKind(schema.GroupVersionKind{Kind: "Test", Group: "other", Version: "blah"})},
typer: &mockTyper{err: runtime.NewNotRegisteredErrForKind("mock", schema.GroupVersionKind{Kind: "Test", Group: "other", Version: "blah"})},
expectedGVK: &schema.GroupVersionKind{Kind: "Test", Group: "other", Version: "blah"},
expectedObject: &testDecodable{
Other: "test",
@ -257,7 +257,7 @@ func TestDecode(t *testing.T) {
// "VaLue" should have been "value"
data: []byte(`{"kind":"Test","apiVersion":"other/blah","VaLue":1,"Other":"test"}`),
into: &testDecodable{},
typer: &mockTyper{err: runtime.NewNotRegisteredErrForKind(schema.GroupVersionKind{Kind: "Test", Group: "other", Version: "blah"})},
typer: &mockTyper{err: runtime.NewNotRegisteredErrForKind("mock", schema.GroupVersionKind{Kind: "Test", Group: "other", Version: "blah"})},
expectedGVK: &schema.GroupVersionKind{Kind: "Test", Group: "other", Version: "blah"},
expectedObject: &testDecodable{
Other: "test",
@ -268,7 +268,7 @@ func TestDecode(t *testing.T) {
// "b" should have been "B", "I" should have been "i"
data: []byte(`{"kind":"Test","apiVersion":"other/blah","spec": {"A": 1, "b": 2, "h": 3, "I": 4}}`),
into: &testDecodable{},
typer: &mockTyper{err: runtime.NewNotRegisteredErrForKind(schema.GroupVersionKind{Kind: "Test", Group: "other", Version: "blah"})},
typer: &mockTyper{err: runtime.NewNotRegisteredErrForKind("mock", schema.GroupVersionKind{Kind: "Test", Group: "other", Version: "blah"})},
expectedGVK: &schema.GroupVersionKind{Kind: "Test", Group: "other", Version: "blah"},
expectedObject: &testDecodable{
Spec: DecodableSpec{A: 1, H: 3},

22
staging/src/k8s.io/apimachinery/pkg/runtime/serializer/versioning/versioning.go
View File

@ -24,18 +24,6 @@ import (
"k8s.io/apimachinery/pkg/runtime/schema"
)
// NewCodecForScheme is a convenience method for callers that are using a scheme.
func NewCodecForScheme(
// TODO: I should be a scheme interface?
scheme *runtime.Scheme,
encoder runtime.Encoder,
decoder runtime.Decoder,
encodeVersion runtime.GroupVersioner,
decodeVersion runtime.GroupVersioner,
) runtime.Codec {
return NewCodec(encoder, decoder, runtime.UnsafeObjectConvertor(scheme), scheme, scheme, nil, encodeVersion, decodeVersion)
}
// NewDefaultingCodecForScheme is a convenience method for callers that are using a scheme.
func NewDefaultingCodecForScheme(
// TODO: I should be a scheme interface?
@ -45,7 +33,7 @@ func NewDefaultingCodecForScheme(
encodeVersion runtime.GroupVersioner,
decodeVersion runtime.GroupVersioner,
) runtime.Codec {
return NewCodec(encoder, decoder, runtime.UnsafeObjectConvertor(scheme), scheme, scheme, scheme, encodeVersion, decodeVersion)
return NewCodec(encoder, decoder, runtime.UnsafeObjectConvertor(scheme), scheme, scheme, scheme, encodeVersion, decodeVersion, scheme.Name())
}
// NewCodec takes objects in their internal versions and converts them to external versions before
@ -60,6 +48,7 @@ func NewCodec(
defaulter runtime.ObjectDefaulter,
encodeVersion runtime.GroupVersioner,
decodeVersion runtime.GroupVersioner,
originalSchemeName string,
) runtime.Codec {
internal := &codec{
encoder: encoder,
@ -71,6 +60,8 @@ func NewCodec(
encodeVersion: encodeVersion,
decodeVersion: decodeVersion,
originalSchemeName: originalSchemeName,
}
return internal
}
@ -85,6 +76,9 @@ type codec struct {
encodeVersion runtime.GroupVersioner
decodeVersion runtime.GroupVersioner
// originalSchemeName is optional, but when filled in it holds the name of the scheme from which this codec originates
originalSchemeName string
}
// Decode attempts a decode of the object, then tries to convert it to the internal version. If into is provided and the decoding is
@ -182,7 +176,7 @@ func (c *codec) Encode(obj runtime.Object, w io.Writer) error {
}
targetGVK, ok := c.encodeVersion.KindForGroupVersionKinds([]schema.GroupVersionKind{objGVK})
if !ok {
return runtime.NewNotRegisteredGVKErrForTarget(objGVK, c.encodeVersion)
return runtime.NewNotRegisteredGVKErrForTarget(c.originalSchemeName, objGVK, c.encodeVersion)
}
if targetGVK == objGVK {
return c.encoder.Encode(obj, w)

5
staging/src/k8s.io/apimachinery/pkg/runtime/serializer/versioning/versioning_test.go
View File

@ -72,7 +72,7 @@ func (d *testNestedDecodable) DecodeNestedObjects(_ runtime.Decoder) error {
func TestNestedDecode(t *testing.T) {
n := &testNestedDecodable{nestedErr: fmt.Errorf("unable to decode")}
decoder := &mockSerializer{obj: n}
codec := NewCodec(nil, decoder, nil, nil, nil, nil, nil, nil)
codec := NewCodec(nil, decoder, nil, nil, nil, nil, nil, nil, "TestNestedDecode")
if _, _, err := codec.Decode([]byte(`{}`), nil, n); err != n.nestedErr {
t.Errorf("unexpected error: %v", err)
}
@ -92,6 +92,7 @@ func TestNestedEncode(t *testing.T) {
&mockTyper{gvks: []schema.GroupVersionKind{{Kind: "test"}}},
nil,
schema.GroupVersion{Group: "other"}, nil,
"TestNestedEncode",
)
if err := codec.Encode(n, ioutil.Discard); err != n2.nestedErr {
t.Errorf("unexpected error: %v", err)
@ -231,7 +232,7 @@ func TestDecode(t *testing.T) {
for i, test := range testCases {
t.Logf("%d", i)
s := NewCodec(test.serializer, test.serializer, test.convertor, test.creater, test.typer, test.defaulter, test.encodes, test.decodes)
s := NewCodec(test.serializer, test.serializer, test.convertor, test.creater, test.typer, test.defaulter, test.encodes, test.decodes, fmt.Sprintf("mock-%d", i))
obj, gvk, err := s.Decode([]byte(`{}`), test.defaultGVK, test.into)
if !reflect.DeepEqual(test.expectedGVK, gvk) {

29
staging/src/k8s.io/apimachinery/pkg/util/naming/BUILD Normal file
View File

@ -0,0 +1,29 @@
load("@io_bazel_rules_go//go:def.bzl", "go_library", "go_test")
go_library(
name = "go_default_library",
srcs = ["from_stack.go"],
importmap = "k8s.io/kubernetes/vendor/k8s.io/apimachinery/pkg/util/naming",
importpath = "k8s.io/apimachinery/pkg/util/naming",
visibility = ["//visibility:public"],
)
filegroup(
name = "package-srcs",
srcs = glob(["**"]),
tags = ["automanaged"],
visibility = ["//visibility:private"],
)
filegroup(
name = "all-srcs",
srcs = [":package-srcs"],
tags = ["automanaged"],
visibility = ["//visibility:public"],
)
go_test(
name = "go_default_test",
srcs = ["from_stack_test.go"],
embed = [":go_default_library"],
)

93
staging/src/k8s.io/apimachinery/pkg/util/naming/from_stack.go Normal file
View File

@ -0,0 +1,93 @@
/*
Copyright 2018 The Kubernetes Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package naming
import (
"fmt"
"regexp"
goruntime "runtime"
"runtime/debug"
"strconv"
"strings"
)
// GetNameFromCallsite walks back through the call stack until we find a caller from outside of the ignoredPackages
// it returns back a shortpath/filename:line to aid in identification of this reflector when it starts logging
func GetNameFromCallsite(ignoredPackages ...string) string {
name := "????"
const maxStack = 10
for i := 1; i < maxStack; i++ {
_, file, line, ok := goruntime.Caller(i)
if !ok {
file, line, ok = extractStackCreator()
if !ok {
break
}
i += maxStack
}
if hasPackage(file, append(ignoredPackages, "/runtime/asm_")) {
continue
}
file = trimPackagePrefix(file)
name = fmt.Sprintf("%s:%d", file, line)
break
}
return name
}
// hasPackage returns true if the file is in one of the ignored packages.
func hasPackage(file string, ignoredPackages []string) bool {
for _, ignoredPackage := range ignoredPackages {
if strings.Contains(file, ignoredPackage) {
return true
}
}
return false
}
// trimPackagePrefix reduces duplicate values off the front of a package name.
func trimPackagePrefix(file string) string {
if l := strings.LastIndex(file, "/vendor/"); l >= 0 {
return file[l+len("/vendor/"):]
}
if l := strings.LastIndex(file, "/src/"); l >= 0 {
return file[l+5:]
}
if l := strings.LastIndex(file, "/pkg/"); l >= 0 {
return file[l+1:]
}
return file
}
var stackCreator = regexp.MustCompile(`(?m)^created by (.*)\n\s+(.*):(\d+) \+0x[[:xdigit:]]+$`)
// extractStackCreator retrieves the goroutine file and line that launched this stack. Returns false
// if the creator cannot be located.
// TODO: Go does not expose this via runtime https://github.com/golang/go/issues/11440
func extractStackCreator() (string, int, bool) {
stack := debug.Stack()
matches := stackCreator.FindStringSubmatch(string(stack))
if matches == nil || len(matches) != 4 {
return "", 0, false
}
line, err := strconv.Atoi(matches[3])
if err != nil {
return "", 0, false
}
return matches[2], line, true
}

56
staging/src/k8s.io/apimachinery/pkg/util/naming/from_stack_test.go Normal file
View File

@ -0,0 +1,56 @@
/*
Copyright 2018 The Kubernetes Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package naming
import "testing"
func TestGetNameFromCallsite(t *testing.T) {
tests := []struct {
name string
ignoredPackages []string
expected string
}{
{
name: "simple",
expected: "k8s.io/apimachinery/pkg/util/naming/from_stack_test.go:50",
},
{
name: "ignore-package",
ignoredPackages: []string{"k8s.io/apimachinery/pkg/util/naming"},
expected: "testing/testing.go:777",
},
{
name: "ignore-file",
ignoredPackages: []string{"k8s.io/apimachinery/pkg/util/naming/from_stack_test.go"},
expected: "testing/testing.go:777",
},
{
name: "ignore-multiple",
ignoredPackages: []string{"k8s.io/apimachinery/pkg/util/naming/from_stack_test.go", "testing/testing.go"},
expected: "????",
},
}
for _, tc := range tests {
t.Run(tc.name, func(t *testing.T) {
actual := GetNameFromCallsite(tc.ignoredPackages...)
if tc.expected != actual {
t.Fatalf("expected %q, got %q", tc.expected, actual)
}
})
}
}

1
staging/src/k8s.io/client-go/tools/cache/BUILD vendored
View File

@ -74,6 +74,7 @@ go_library(
"//staging/src/k8s.io/apimachinery/pkg/util/cache:go_default_library",
"//staging/src/k8s.io/apimachinery/pkg/util/clock:go_default_library",
"//staging/src/k8s.io/apimachinery/pkg/util/diff:go_default_library",
"//staging/src/k8s.io/apimachinery/pkg/util/naming:go_default_library",
"//staging/src/k8s.io/apimachinery/pkg/util/runtime:go_default_library",
"//staging/src/k8s.io/apimachinery/pkg/util/sets:go_default_library",
"//staging/src/k8s.io/apimachinery/pkg/util/wait:go_default_library",

75
staging/src/k8s.io/client-go/tools/cache/reflector.go vendored
View File

@ -24,9 +24,6 @@ import (
"net"
"net/url"
"reflect"
"regexp"
goruntime "runtime"
"runtime/debug"
"strconv"
"strings"
"sync"
@ -40,6 +37,7 @@ import (
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/runtime"
"k8s.io/apimachinery/pkg/util/clock"
"k8s.io/apimachinery/pkg/util/naming"
utilruntime "k8s.io/apimachinery/pkg/util/runtime"
"k8s.io/apimachinery/pkg/util/wait"
"k8s.io/apimachinery/pkg/watch"
@ -94,7 +92,7 @@ func NewNamespaceKeyedIndexerAndReflector(lw ListerWatcher, expectedType interfa
// resyncPeriod, so that you can use reflectors to periodically process everything as
// well as incrementally processing the things that change.
func NewReflector(lw ListerWatcher, expectedType interface{}, store Store, resyncPeriod time.Duration) *Reflector {
return NewNamedReflector(getDefaultReflectorName(internalPackages...), lw, expectedType, store, resyncPeriod)
return NewNamedReflector(naming.GetNameFromCallsite(internalPackages...), lw, expectedType, store, resyncPeriod)
}
// reflectorDisambiguator is used to disambiguate started reflectors.
@ -125,74 +123,7 @@ func makeValidPrometheusMetricLabel(in string) string {
// internalPackages are packages that ignored when creating a default reflector name. These packages are in the common
// call chains to NewReflector, so they'd be low entropy names for reflectors
var internalPackages = []string{"client-go/tools/cache/", "/runtime/asm_"}
// getDefaultReflectorName walks back through the call stack until we find a caller from outside of the ignoredPackages
// it returns back a shortpath/filename:line to aid in identification of this reflector when it starts logging
func getDefaultReflectorName(ignoredPackages ...string) string {
name := "????"
const maxStack = 10
for i := 1; i < maxStack; i++ {
_, file, line, ok := goruntime.Caller(i)
if !ok {
file, line, ok = extractStackCreator()
if !ok {
break
}
i += maxStack
}
if hasPackage(file, ignoredPackages) {
continue
}
file = trimPackagePrefix(file)
name = fmt.Sprintf("%s:%d", file, line)
break
}
return name
}
// hasPackage returns true if the file is in one of the ignored packages.
func hasPackage(file string, ignoredPackages []string) bool {
for _, ignoredPackage := range ignoredPackages {
if strings.Contains(file, ignoredPackage) {
return true
}
}
return false
}
// trimPackagePrefix reduces duplicate values off the front of a package name.
func trimPackagePrefix(file string) string {
if l := strings.LastIndex(file, "k8s.io/client-go/pkg/"); l >= 0 {
return file[l+len("k8s.io/client-go/"):]
}
if l := strings.LastIndex(file, "/src/"); l >= 0 {
return file[l+5:]
}
if l := strings.LastIndex(file, "/pkg/"); l >= 0 {
return file[l+1:]
}
return file
}
var stackCreator = regexp.MustCompile(`(?m)^created by (.*)\n\s+(.*):(\d+) \+0x[[:xdigit:]]+$`)
// extractStackCreator retrieves the goroutine file and line that launched this stack. Returns false
// if the creator cannot be located.
// TODO: Go does not expose this via runtime https://github.com/golang/go/issues/11440
func extractStackCreator() (string, int, bool) {
stack := debug.Stack()
matches := stackCreator.FindStringSubmatch(string(stack))
if matches == nil || len(matches) != 4 {
return "", 0, false
}
line, err := strconv.Atoi(matches[3])
if err != nil {
return "", 0, false
}
return matches[2], line, true
}
var internalPackages = []string{"client-go/tools/cache/"}
// Run starts a watch and handles watch events. Will restart the watch if it is closed.
// Run will exit when stopCh is closed.

4
test/integration/framework/serializer.go
View File

@ -45,9 +45,9 @@ func (s *wrappedSerializer) UniversalDeserializer() runtime.Decoder {
}
func (s *wrappedSerializer) EncoderForVersion(encoder runtime.Encoder, gv runtime.GroupVersioner) runtime.Encoder {
return versioning.NewCodec(encoder, nil, s.scheme, s.scheme, s.scheme, s.scheme, gv, nil)
return versioning.NewCodec(encoder, nil, s.scheme, s.scheme, s.scheme, s.scheme, gv, nil, s.scheme.Name())
}
func (s *wrappedSerializer) DecoderToVersion(decoder runtime.Decoder, gv runtime.GroupVersioner) runtime.Decoder {
return versioning.NewCodec(nil, decoder, s.scheme, s.scheme, s.scheme, s.scheme, nil, gv)
return versioning.NewCodec(nil, decoder, s.scheme, s.scheme, s.scheme, s.scheme, nil, gv, s.scheme.Name())
}