mirror of
https://github.com/k3s-io/kubernetes.git
synced 2025-07-23 03:41:45 +00:00
remove dynamic client
This commit is contained in:
Nikhita Raghunath
parent
aed9ad4b08
commit
1e3918e4b1
@ -1,53 +0,0 @@
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package(default_visibility = ["//visibility:public"])
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load(
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"@io_bazel_rules_go//go:def.bzl",
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"go_library",
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"go_test",
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)
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go_test(
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name = "go_default_test",
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srcs = ["roundtrip_test.go"],
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importpath = "k8s.io/apiextensions-apiserver/examples/client-go/apis/cr/v1",
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library = ":go_default_library",
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deps = [
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"//vendor/github.com/google/gofuzz:go_default_library",
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"//vendor/k8s.io/apimachinery/pkg/api/testing/fuzzer:go_default_library",
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"//vendor/k8s.io/apimachinery/pkg/api/testing/roundtrip:go_default_library",
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"//vendor/k8s.io/apimachinery/pkg/apis/meta/fuzzer:go_default_library",
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"//vendor/k8s.io/apimachinery/pkg/apis/meta/v1:go_default_library",
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"//vendor/k8s.io/apimachinery/pkg/runtime:go_default_library",
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"//vendor/k8s.io/apimachinery/pkg/runtime/serializer:go_default_library",
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],
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)
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go_library(
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name = "go_default_library",
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srcs = [
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"doc.go",
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"register.go",
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"types.go",
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"zz_generated.deepcopy.go",
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],
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importpath = "k8s.io/apiextensions-apiserver/examples/client-go/apis/cr/v1",
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deps = [
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"//vendor/k8s.io/apimachinery/pkg/apis/meta/v1:go_default_library",
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"//vendor/k8s.io/apimachinery/pkg/conversion:go_default_library",
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"//vendor/k8s.io/apimachinery/pkg/runtime:go_default_library",
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"//vendor/k8s.io/apimachinery/pkg/runtime/schema:go_default_library",
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],
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)
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filegroup(
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name = "package-srcs",
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srcs = glob(["**"]),
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tags = ["automanaged"],
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visibility = ["//visibility:private"],
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)
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filegroup(
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name = "all-srcs",
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srcs = [":package-srcs"],
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tags = ["automanaged"],
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)
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@ -1,18 +0,0 @@
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/*
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Copyright 2017 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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// +k8s:deepcopy-gen=package
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package v1
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@ -1,49 +0,0 @@
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/*
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Copyright 2017 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package v1
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import (
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"k8s.io/apimachinery/pkg/runtime"
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"k8s.io/apimachinery/pkg/runtime/schema"
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)
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var (
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SchemeBuilder = runtime.NewSchemeBuilder(addKnownTypes)
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AddToScheme = SchemeBuilder.AddToScheme
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)
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// GroupName is the group name used in this package.
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const GroupName = "cr.client-go.k8s.io"
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// SchemeGroupVersion is the group version used to register these objects.
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var SchemeGroupVersion = schema.GroupVersion{Group: GroupName, Version: "v1"}
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// Resource takes an unqualified resource and returns a Group-qualified GroupResource.
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func Resource(resource string) schema.GroupResource {
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return SchemeGroupVersion.WithResource(resource).GroupResource()
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}
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// addKnownTypes adds the set of types defined in this package to the supplied scheme.
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func addKnownTypes(scheme *runtime.Scheme) error {
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scheme.AddKnownTypes(SchemeGroupVersion,
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&Example{},
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&ExampleList{},
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)
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metav1.AddToGroupVersion(scheme, SchemeGroupVersion)
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return nil
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}
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@ -1,66 +0,0 @@
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/*
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Copyright 2017 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package v1
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import (
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"math/rand"
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"testing"
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"github.com/google/gofuzz"
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"k8s.io/apimachinery/pkg/api/testing/fuzzer"
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roundtrip "k8s.io/apimachinery/pkg/api/testing/roundtrip"
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metafuzzer "k8s.io/apimachinery/pkg/apis/meta/fuzzer"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"k8s.io/apimachinery/pkg/runtime"
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"k8s.io/apimachinery/pkg/runtime/serializer"
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runtimeserializer "k8s.io/apimachinery/pkg/runtime/serializer"
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)
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var _ runtime.Object = &Example{}
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var _ metav1.ObjectMetaAccessor = &Example{}
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var _ runtime.Object = &ExampleList{}
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var _ metav1.ListMetaAccessor = &ExampleList{}
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func exampleFuzzerFuncs(codecs runtimeserializer.CodecFactory) []interface{} {
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return []interface{}{
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func(obj *ExampleList, c fuzz.Continue) {
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c.FuzzNoCustom(obj)
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obj.Items = make([]Example, c.Intn(10))
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for i := range obj.Items {
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c.Fuzz(&obj.Items[i])
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}
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},
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}
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}
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// TestRoundTrip tests that the third-party kinds can be marshaled and unmarshaled correctly to/from JSON
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// without the loss of information. Moreover, deep copy is tested.
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func TestRoundTrip(t *testing.T) {
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scheme := runtime.NewScheme()
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codecs := serializer.NewCodecFactory(scheme)
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AddToScheme(scheme)
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seed := rand.Int63()
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fuzzerFuncs := fuzzer.MergeFuzzerFuncs(metafuzzer.Funcs, exampleFuzzerFuncs)
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fuzzer := fuzzer.FuzzerFor(fuzzerFuncs, rand.NewSource(seed), codecs)
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roundtrip.RoundTripSpecificKindWithoutProtobuf(t, SchemeGroupVersion.WithKind("Example"), scheme, codecs, fuzzer, nil)
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roundtrip.RoundTripSpecificKindWithoutProtobuf(t, SchemeGroupVersion.WithKind("ExampleList"), scheme, codecs, fuzzer, nil)
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}
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@ -1,55 +0,0 @@
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/*
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Copyright 2017 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package v1
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import (
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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)
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const ExampleResourcePlural = "examples"
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// +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object
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type Example struct {
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metav1.TypeMeta `json:",inline"`
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metav1.ObjectMeta `json:"metadata"`
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Spec ExampleSpec `json:"spec"`
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Status ExampleStatus `json:"status,omitempty"`
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}
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type ExampleSpec struct {
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Foo string `json:"foo"`
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Bar bool `json:"bar"`
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}
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type ExampleStatus struct {
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State ExampleState `json:"state,omitempty"`
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Message string `json:"message,omitempty"`
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}
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type ExampleState string
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const (
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ExampleStateCreated ExampleState = "Created"
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ExampleStateProcessed ExampleState = "Processed"
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)
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// +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object
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type ExampleList struct {
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metav1.TypeMeta `json:",inline"`
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metav1.ListMeta `json:"metadata"`
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Items []Example `json:"items"`
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}
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@ -1,146 +0,0 @@
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// +build !ignore_autogenerated
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/*
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Copyright 2017 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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// This file was autogenerated by deepcopy-gen. Do not edit it manually!
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package v1
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import (
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conversion "k8s.io/apimachinery/pkg/conversion"
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runtime "k8s.io/apimachinery/pkg/runtime"
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reflect "reflect"
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)
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// GetGeneratedDeepCopyFuncs returns the generated funcs, since we aren't registering them.
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//
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// Deprecated: deepcopy registration will go away when static deepcopy is fully implemented.
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func GetGeneratedDeepCopyFuncs() []conversion.GeneratedDeepCopyFunc {
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return []conversion.GeneratedDeepCopyFunc{
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{Fn: func(in interface{}, out interface{}, c *conversion.Cloner) error {
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in.(*Example).DeepCopyInto(out.(*Example))
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return nil
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}, InType: reflect.TypeOf(&Example{})},
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{Fn: func(in interface{}, out interface{}, c *conversion.Cloner) error {
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in.(*ExampleList).DeepCopyInto(out.(*ExampleList))
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return nil
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}, InType: reflect.TypeOf(&ExampleList{})},
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{Fn: func(in interface{}, out interface{}, c *conversion.Cloner) error {
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in.(*ExampleSpec).DeepCopyInto(out.(*ExampleSpec))
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return nil
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}, InType: reflect.TypeOf(&ExampleSpec{})},
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{Fn: func(in interface{}, out interface{}, c *conversion.Cloner) error {
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in.(*ExampleStatus).DeepCopyInto(out.(*ExampleStatus))
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return nil
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}, InType: reflect.TypeOf(&ExampleStatus{})},
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}
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}
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// DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
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func (in *Example) DeepCopyInto(out *Example) {
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*out = *in
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out.TypeMeta = in.TypeMeta
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in.ObjectMeta.DeepCopyInto(&out.ObjectMeta)
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out.Spec = in.Spec
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out.Status = in.Status
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return
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}
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// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new Example.
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func (in *Example) DeepCopy() *Example {
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if in == nil {
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return nil
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}
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out := new(Example)
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in.DeepCopyInto(out)
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return out
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}
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// DeepCopyObject is an autogenerated deepcopy function, copying the receiver, creating a new runtime.Object.
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func (in *Example) DeepCopyObject() runtime.Object {
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if c := in.DeepCopy(); c != nil {
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return c
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} else {
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return nil
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}
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}
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// DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
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func (in *ExampleList) DeepCopyInto(out *ExampleList) {
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*out = *in
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out.TypeMeta = in.TypeMeta
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out.ListMeta = in.ListMeta
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if in.Items != nil {
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in, out := &in.Items, &out.Items
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*out = make([]Example, len(*in))
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for i := range *in {
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(*in)[i].DeepCopyInto(&(*out)[i])
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}
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}
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return
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}
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// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new ExampleList.
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func (in *ExampleList) DeepCopy() *ExampleList {
|
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if in == nil {
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return nil
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}
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out := new(ExampleList)
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in.DeepCopyInto(out)
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return out
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}
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// DeepCopyObject is an autogenerated deepcopy function, copying the receiver, creating a new runtime.Object.
|
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func (in *ExampleList) DeepCopyObject() runtime.Object {
|
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if c := in.DeepCopy(); c != nil {
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return c
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} else {
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return nil
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}
|
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}
|
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|
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// DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
|
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func (in *ExampleSpec) DeepCopyInto(out *ExampleSpec) {
|
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*out = *in
|
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return
|
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}
|
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|
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// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new ExampleSpec.
|
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func (in *ExampleSpec) DeepCopy() *ExampleSpec {
|
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if in == nil {
|
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return nil
|
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}
|
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out := new(ExampleSpec)
|
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in.DeepCopyInto(out)
|
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return out
|
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}
|
||||
|
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// DeepCopyInto is an autogenerated deepcopy function, copying the receiver, writing into out. in must be non-nil.
|
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func (in *ExampleStatus) DeepCopyInto(out *ExampleStatus) {
|
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*out = *in
|
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return
|
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}
|
||||
|
||||
// DeepCopy is an autogenerated deepcopy function, copying the receiver, creating a new ExampleStatus.
|
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func (in *ExampleStatus) DeepCopy() *ExampleStatus {
|
||||
if in == nil {
|
||||
return nil
|
||||
}
|
||||
out := new(ExampleStatus)
|
||||
in.DeepCopyInto(out)
|
||||
return out
|
||||
}
|
||||
@ -1,40 +0,0 @@
|
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package(default_visibility = ["//visibility:public"])
|
||||
|
||||
load(
|
||||
"@io_bazel_rules_go//go:def.bzl",
|
||||
"go_library",
|
||||
)
|
||||
|
||||
go_library(
|
||||
name = "go_default_library",
|
||||
srcs = [
|
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"client.go",
|
||||
"cr.go",
|
||||
],
|
||||
importpath = "k8s.io/apiextensions-apiserver/examples/client-go/client",
|
||||
deps = [
|
||||
"//vendor/k8s.io/api/core/v1:go_default_library",
|
||||
"//vendor/k8s.io/apiextensions-apiserver/examples/client-go/apis/cr/v1:go_default_library",
|
||||
"//vendor/k8s.io/apiextensions-apiserver/pkg/apis/apiextensions/v1beta1:go_default_library",
|
||||
"//vendor/k8s.io/apiextensions-apiserver/pkg/client/clientset/clientset:go_default_library",
|
||||
"//vendor/k8s.io/apimachinery/pkg/apis/meta/v1:go_default_library",
|
||||
"//vendor/k8s.io/apimachinery/pkg/runtime:go_default_library",
|
||||
"//vendor/k8s.io/apimachinery/pkg/runtime/serializer:go_default_library",
|
||||
"//vendor/k8s.io/apimachinery/pkg/util/errors:go_default_library",
|
||||
"//vendor/k8s.io/apimachinery/pkg/util/wait:go_default_library",
|
||||
"//vendor/k8s.io/client-go/rest:go_default_library",
|
||||
],
|
||||
)
|
||||
|
||||
filegroup(
|
||||
name = "package-srcs",
|
||||
srcs = glob(["**"]),
|
||||
tags = ["automanaged"],
|
||||
visibility = ["//visibility:private"],
|
||||
)
|
||||
|
||||
filegroup(
|
||||
name = "all-srcs",
|
||||
srcs = [":package-srcs"],
|
||||
tags = ["automanaged"],
|
||||
)
|
||||
@ -1,45 +0,0 @@
|
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/*
|
||||
Copyright 2017 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 client
|
||||
|
||||
import (
|
||||
"k8s.io/apimachinery/pkg/runtime"
|
||||
"k8s.io/apimachinery/pkg/runtime/serializer"
|
||||
"k8s.io/client-go/rest"
|
||||
|
||||
crv1 "k8s.io/apiextensions-apiserver/examples/client-go/apis/cr/v1"
|
||||
)
|
||||
|
||||
func NewClient(cfg *rest.Config) (*rest.RESTClient, *runtime.Scheme, error) {
|
||||
scheme := runtime.NewScheme()
|
||||
if err := crv1.AddToScheme(scheme); err != nil {
|
||||
return nil, nil, err
|
||||
}
|
||||
|
||||
config := *cfg
|
||||
config.GroupVersion = &crv1.SchemeGroupVersion
|
||||
config.APIPath = "/apis"
|
||||
config.ContentType = runtime.ContentTypeJSON
|
||||
config.NegotiatedSerializer = serializer.DirectCodecFactory{CodecFactory: serializer.NewCodecFactory(scheme)}
|
||||
|
||||
client, err := rest.RESTClientFor(&config)
|
||||
if err != nil {
|
||||
return nil, nil, err
|
||||
}
|
||||
|
||||
return client, scheme, nil
|
||||
}
|
||||
@ -1,103 +0,0 @@
|
||||
/*
|
||||
Copyright 2017 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 client
|
||||
|
||||
import (
|
||||
"fmt"
|
||||
"reflect"
|
||||
"time"
|
||||
|
||||
apiv1 "k8s.io/api/core/v1"
|
||||
crv1 "k8s.io/apiextensions-apiserver/examples/client-go/apis/cr/v1"
|
||||
apiextensionsv1beta1 "k8s.io/apiextensions-apiserver/pkg/apis/apiextensions/v1beta1"
|
||||
apiextensionsclient "k8s.io/apiextensions-apiserver/pkg/client/clientset/clientset"
|
||||
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
|
||||
"k8s.io/apimachinery/pkg/util/errors"
|
||||
"k8s.io/apimachinery/pkg/util/wait"
|
||||
"k8s.io/client-go/rest"
|
||||
// Uncomment the following line to load the gcp plugin (only required to authenticate against GKE clusters).
|
||||
// _ "k8s.io/client-go/plugin/pkg/client/auth/gcp"
|
||||
)
|
||||
|
||||
const exampleCRDName = crv1.ExampleResourcePlural + "." + crv1.GroupName
|
||||
|
||||
func CreateCustomResourceDefinition(clientset apiextensionsclient.Interface) (*apiextensionsv1beta1.CustomResourceDefinition, error) {
|
||||
crd := &apiextensionsv1beta1.CustomResourceDefinition{
|
||||
ObjectMeta: metav1.ObjectMeta{
|
||||
Name: exampleCRDName,
|
||||
},
|
||||
Spec: apiextensionsv1beta1.CustomResourceDefinitionSpec{
|
||||
Group: crv1.GroupName,
|
||||
Version: crv1.SchemeGroupVersion.Version,
|
||||
Scope: apiextensionsv1beta1.NamespaceScoped,
|
||||
Names: apiextensionsv1beta1.CustomResourceDefinitionNames{
|
||||
Plural: crv1.ExampleResourcePlural,
|
||||
Kind: reflect.TypeOf(crv1.Example{}).Name(),
|
||||
},
|
||||
},
|
||||
}
|
||||
_, err := clientset.ApiextensionsV1beta1().CustomResourceDefinitions().Create(crd)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
// wait for CRD being established
|
||||
err = wait.Poll(500*time.Millisecond, 60*time.Second, func() (bool, error) {
|
||||
crd, err = clientset.ApiextensionsV1beta1().CustomResourceDefinitions().Get(exampleCRDName, metav1.GetOptions{})
|
||||
if err != nil {
|
||||
return false, err
|
||||
}
|
||||
for _, cond := range crd.Status.Conditions {
|
||||
switch cond.Type {
|
||||
case apiextensionsv1beta1.Established:
|
||||
if cond.Status == apiextensionsv1beta1.ConditionTrue {
|
||||
return true, err
|
||||
}
|
||||
case apiextensionsv1beta1.NamesAccepted:
|
||||
if cond.Status == apiextensionsv1beta1.ConditionFalse {
|
||||
fmt.Printf("Name conflict: %v\n", cond.Reason)
|
||||
}
|
||||
}
|
||||
}
|
||||
return false, err
|
||||
})
|
||||
if err != nil {
|
||||
deleteErr := clientset.ApiextensionsV1beta1().CustomResourceDefinitions().Delete(exampleCRDName, nil)
|
||||
if deleteErr != nil {
|
||||
return nil, errors.NewAggregate([]error{err, deleteErr})
|
||||
}
|
||||
return nil, err
|
||||
}
|
||||
return crd, nil
|
||||
}
|
||||
|
||||
func WaitForExampleInstanceProcessed(exampleClient *rest.RESTClient, name string) error {
|
||||
return wait.Poll(100*time.Millisecond, 10*time.Second, func() (bool, error) {
|
||||
var example crv1.Example
|
||||
err := exampleClient.Get().
|
||||
Resource(crv1.ExampleResourcePlural).
|
||||
Namespace(apiv1.NamespaceDefault).
|
||||
Name(name).
|
||||
Do().Into(&example)
|
||||
|
||||
if err == nil && example.Status.State == crv1.ExampleStateProcessed {
|
||||
return true, nil
|
||||
}
|
||||
|
||||
return false, err
|
||||
})
|
||||
}
|
||||
@ -1,33 +0,0 @@
|
||||
package(default_visibility = ["//visibility:public"])
|
||||
|
||||
load(
|
||||
"@io_bazel_rules_go//go:def.bzl",
|
||||
"go_library",
|
||||
)
|
||||
|
||||
go_library(
|
||||
name = "go_default_library",
|
||||
srcs = ["controller.go"],
|
||||
importpath = "k8s.io/apiextensions-apiserver/examples/client-go/controller",
|
||||
deps = [
|
||||
"//vendor/k8s.io/api/core/v1:go_default_library",
|
||||
"//vendor/k8s.io/apiextensions-apiserver/examples/client-go/apis/cr/v1:go_default_library",
|
||||
"//vendor/k8s.io/apimachinery/pkg/fields:go_default_library",
|
||||
"//vendor/k8s.io/apimachinery/pkg/runtime:go_default_library",
|
||||
"//vendor/k8s.io/client-go/rest:go_default_library",
|
||||
"//vendor/k8s.io/client-go/tools/cache:go_default_library",
|
||||
],
|
||||
)
|
||||
|
||||
filegroup(
|
||||
name = "package-srcs",
|
||||
srcs = glob(["**"]),
|
||||
tags = ["automanaged"],
|
||||
visibility = ["//visibility:private"],
|
||||
)
|
||||
|
||||
filegroup(
|
||||
name = "all-srcs",
|
||||
srcs = [":package-srcs"],
|
||||
tags = ["automanaged"],
|
||||
)
|
||||
@ -1,120 +0,0 @@
|
||||
/*
|
||||
Copyright 2017 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 controller
|
||||
|
||||
import (
|
||||
"context"
|
||||
"fmt"
|
||||
|
||||
apiv1 "k8s.io/api/core/v1"
|
||||
"k8s.io/apimachinery/pkg/fields"
|
||||
"k8s.io/apimachinery/pkg/runtime"
|
||||
"k8s.io/client-go/rest"
|
||||
"k8s.io/client-go/tools/cache"
|
||||
|
||||
crv1 "k8s.io/apiextensions-apiserver/examples/client-go/apis/cr/v1"
|
||||
)
|
||||
|
||||
// Watcher is an example of watching on resource create/update/delete events
|
||||
type ExampleController struct {
|
||||
ExampleClient *rest.RESTClient
|
||||
ExampleScheme *runtime.Scheme
|
||||
}
|
||||
|
||||
// Run starts an Example resource controller
|
||||
func (c *ExampleController) Run(ctx context.Context) error {
|
||||
fmt.Print("Watch Example objects\n")
|
||||
|
||||
// Watch Example objects
|
||||
_, err := c.watchExamples(ctx)
|
||||
if err != nil {
|
||||
fmt.Printf("Failed to register watch for Example resource: %v\n", err)
|
||||
return err
|
||||
}
|
||||
|
||||
<-ctx.Done()
|
||||
return ctx.Err()
|
||||
}
|
||||
|
||||
func (c *ExampleController) watchExamples(ctx context.Context) (cache.Controller, error) {
|
||||
source := cache.NewListWatchFromClient(
|
||||
c.ExampleClient,
|
||||
crv1.ExampleResourcePlural,
|
||||
apiv1.NamespaceAll,
|
||||
fields.Everything())
|
||||
|
||||
_, controller := cache.NewInformer(
|
||||
source,
|
||||
|
||||
// The object type.
|
||||
&crv1.Example{},
|
||||
|
||||
// resyncPeriod
|
||||
// Every resyncPeriod, all resources in the cache will retrigger events.
|
||||
// Set to 0 to disable the resync.
|
||||
0,
|
||||
|
||||
// Your custom resource event handlers.
|
||||
cache.ResourceEventHandlerFuncs{
|
||||
AddFunc: c.onAdd,
|
||||
UpdateFunc: c.onUpdate,
|
||||
DeleteFunc: c.onDelete,
|
||||
})
|
||||
|
||||
go controller.Run(ctx.Done())
|
||||
return controller, nil
|
||||
}
|
||||
|
||||
func (c *ExampleController) onAdd(obj interface{}) {
|
||||
example := obj.(*crv1.Example)
|
||||
fmt.Printf("[CONTROLLER] OnAdd %s\n", example.ObjectMeta.SelfLink)
|
||||
|
||||
// NEVER modify objects from the store. It's a read-only, local cache.
|
||||
// You can use DeepCopy() to make a deep copy of original object and modify this copy
|
||||
// Or create a copy manually for better performance
|
||||
exampleCopy := example.DeepCopy()
|
||||
exampleCopy.Status = crv1.ExampleStatus{
|
||||
State: crv1.ExampleStateProcessed,
|
||||
Message: "Successfully processed by controller",
|
||||
}
|
||||
|
||||
err := c.ExampleClient.Put().
|
||||
Name(example.ObjectMeta.Name).
|
||||
Namespace(example.ObjectMeta.Namespace).
|
||||
Resource(crv1.ExampleResourcePlural).
|
||||
Body(exampleCopy).
|
||||
Do().
|
||||
Error()
|
||||
|
||||
if err != nil {
|
||||
fmt.Printf("ERROR updating status: %v\n", err)
|
||||
} else {
|
||||
fmt.Printf("UPDATED status: %#v\n", exampleCopy)
|
||||
}
|
||||
}
|
||||
|
||||
func (c *ExampleController) onUpdate(oldObj, newObj interface{}) {
|
||||
oldExample := oldObj.(*crv1.Example)
|
||||
newExample := newObj.(*crv1.Example)
|
||||
fmt.Printf("[CONTROLLER] OnUpdate oldObj: %s\n", oldExample.ObjectMeta.SelfLink)
|
||||
fmt.Printf("[CONTROLLER] OnUpdate newObj: %s\n", newExample.ObjectMeta.SelfLink)
|
||||
}
|
||||
|
||||
func (c *ExampleController) onDelete(obj interface{}) {
|
||||
example := obj.(*crv1.Example)
|
||||
fmt.Printf("[CONTROLLER] OnDelete %s\n", example.ObjectMeta.SelfLink)
|
||||
}
|
||||
@ -1,123 +0,0 @@
|
||||
/*
|
||||
Copyright 2017 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.
|
||||
*/
|
||||
|
||||
// Note: the example only works with the code within the same release/branch.
|
||||
package main
|
||||
|
||||
import (
|
||||
"context"
|
||||
"flag"
|
||||
"fmt"
|
||||
|
||||
apiv1 "k8s.io/api/core/v1"
|
||||
apiextensionsclient "k8s.io/apiextensions-apiserver/pkg/client/clientset/clientset"
|
||||
apierrors "k8s.io/apimachinery/pkg/api/errors"
|
||||
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
|
||||
"k8s.io/client-go/tools/clientcmd"
|
||||
|
||||
// Uncomment the following line to load the gcp plugin (only required to authenticate against GKE clusters).
|
||||
// _ "k8s.io/client-go/plugin/pkg/client/auth/gcp"
|
||||
|
||||
crv1 "k8s.io/apiextensions-apiserver/examples/client-go/apis/cr/v1"
|
||||
exampleclient "k8s.io/apiextensions-apiserver/examples/client-go/client"
|
||||
examplecontroller "k8s.io/apiextensions-apiserver/examples/client-go/controller"
|
||||
)
|
||||
|
||||
func main() {
|
||||
masterURL := flag.String("master", "", "The address of the Kubernetes API server. Overrides any value in kubeconfig. Only required if out-of-cluster.")
|
||||
kubeconfig := flag.String("kubeconfig", "", "Path to a kube config. Only required if out-of-cluster.")
|
||||
flag.Parse()
|
||||
|
||||
// Create the client config. Use masterURL and kubeconfig if given, otherwise assume in-cluster.
|
||||
config, err := clientcmd.BuildConfigFromFlags(*masterURL, *kubeconfig)
|
||||
if err != nil {
|
||||
panic(err)
|
||||
}
|
||||
|
||||
apiextensionsclientset, err := apiextensionsclient.NewForConfig(config)
|
||||
if err != nil {
|
||||
panic(err)
|
||||
}
|
||||
|
||||
// initialize custom resource using a CustomResourceDefinition if it does not exist
|
||||
crd, err := exampleclient.CreateCustomResourceDefinition(apiextensionsclientset)
|
||||
if err != nil && !apierrors.IsAlreadyExists(err) {
|
||||
panic(err)
|
||||
}
|
||||
|
||||
if crd != nil {
|
||||
defer apiextensionsclientset.ApiextensionsV1beta1().CustomResourceDefinitions().Delete(crd.Name, nil)
|
||||
}
|
||||
|
||||
// make a new config for our extension's API group, using the first config as a baseline
|
||||
exampleClient, exampleScheme, err := exampleclient.NewClient(config)
|
||||
if err != nil {
|
||||
panic(err)
|
||||
}
|
||||
|
||||
// start a controller on instances of our custom resource
|
||||
controller := examplecontroller.ExampleController{
|
||||
ExampleClient: exampleClient,
|
||||
ExampleScheme: exampleScheme,
|
||||
}
|
||||
|
||||
ctx, cancelFunc := context.WithCancel(context.Background())
|
||||
defer cancelFunc()
|
||||
go controller.Run(ctx)
|
||||
|
||||
// Create an instance of our custom resource
|
||||
example := &crv1.Example{
|
||||
ObjectMeta: metav1.ObjectMeta{
|
||||
Name: "example1",
|
||||
},
|
||||
Spec: crv1.ExampleSpec{
|
||||
Foo: "hello",
|
||||
Bar: true,
|
||||
},
|
||||
Status: crv1.ExampleStatus{
|
||||
State: crv1.ExampleStateCreated,
|
||||
Message: "Created, not processed yet",
|
||||
},
|
||||
}
|
||||
var result crv1.Example
|
||||
err = exampleClient.Post().
|
||||
Resource(crv1.ExampleResourcePlural).
|
||||
Namespace(apiv1.NamespaceDefault).
|
||||
Body(example).
|
||||
Do().Into(&result)
|
||||
if err == nil {
|
||||
fmt.Printf("CREATED: %#v\n", result)
|
||||
} else if apierrors.IsAlreadyExists(err) {
|
||||
fmt.Printf("ALREADY EXISTS: %#v\n", result)
|
||||
} else {
|
||||
panic(err)
|
||||
}
|
||||
|
||||
// Poll until Example object is handled by controller and gets status updated to "Processed"
|
||||
err = exampleclient.WaitForExampleInstanceProcessed(exampleClient, "example1")
|
||||
if err != nil {
|
||||
panic(err)
|
||||
}
|
||||
fmt.Print("PROCESSED\n")
|
||||
|
||||
// Fetch a list of our CRs
|
||||
exampleList := crv1.ExampleList{}
|
||||
err = exampleClient.Get().Resource(crv1.ExampleResourcePlural).Do().Into(&exampleList)
|
||||
if err != nil {
|
||||
panic(err)
|
||||
}
|
||||
fmt.Printf("LIST: %#v\n", exampleList)
|
||||
}
|
||||
Loading…
Reference in New Issue
Block a user