vendor files

vendor/k8s.io/kubernetes/pkg/api/ref/BUILD

@@ -0,0 +1,46 @@
+package(default_visibility = ["//visibility:public"])
+
+load(
+    "@io_bazel_rules_go//go:def.bzl",
+    "go_library",
+    "go_test",
+)
+
+go_test(
+    name = "go_default_test",
+    srcs = ["ref_test.go"],
+    importpath = "k8s.io/kubernetes/pkg/api/ref",
+    library = ":go_default_library",
+    deps = [
+        "//pkg/api/legacyscheme:go_default_library",
+        "//pkg/apis/core: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/schema:go_default_library",
+    ],
+)
+
+go_library(
+    name = "go_default_library",
+    srcs = ["ref.go"],
+    importpath = "k8s.io/kubernetes/pkg/api/ref",
+    deps = [
+        "//pkg/apis/core:go_default_library",
+        "//vendor/k8s.io/apimachinery/pkg/api/meta:go_default_library",
+        "//vendor/k8s.io/apimachinery/pkg/apis/meta/v1:go_default_library",
+        "//vendor/k8s.io/apimachinery/pkg/runtime:go_default_library",
+    ],
+)
+
+filegroup(
+    name = "package-srcs",
+    srcs = glob(["**"]),
+    tags = ["automanaged"],
+    visibility = ["//visibility:private"],
+)
+
+filegroup(
+    name = "all-srcs",
+    srcs = [":package-srcs"],
+    tags = ["automanaged"],
+)

vendor/k8s.io/kubernetes/pkg/api/ref/ref.go

@@ -0,0 +1,122 @@
+/*
+Copyright 2014 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 ref
+
+import (
+	"errors"
+	"fmt"
+	"net/url"
+	"strings"
+
+	"k8s.io/apimachinery/pkg/api/meta"
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	"k8s.io/apimachinery/pkg/runtime"
+	api "k8s.io/kubernetes/pkg/apis/core"
+)
+
+var (
+	// Errors that could be returned by GetReference.
+	ErrNilObject  = errors.New("can't reference a nil object")
+	ErrNoSelfLink = errors.New("selfLink was empty, can't make reference")
+)
+
+// GetReference returns an ObjectReference which refers to the given
+// object, or an error if the object doesn't follow the conventions
+// that would allow this.
+// TODO: should take a meta.Interface see http://issue.k8s.io/7127
+func GetReference(scheme *runtime.Scheme, obj runtime.Object) (*api.ObjectReference, error) {
+	if obj == nil {
+		return nil, ErrNilObject
+	}
+	if ref, ok := obj.(*api.ObjectReference); ok {
+		// Don't make a reference to a reference.
+		return ref, nil
+	}
+
+	gvk := obj.GetObjectKind().GroupVersionKind()
+
+	// if the object referenced is actually persisted, we can just get kind from meta
+	// if we are building an object reference to something not yet persisted, we should fallback to scheme
+	kind := gvk.Kind
+	if len(kind) == 0 {
+		// TODO: this is wrong
+		gvks, _, err := scheme.ObjectKinds(obj)
+		if err != nil {
+			return nil, err
+		}
+		kind = gvks[0].Kind
+	}
+
+	// An object that implements only List has enough metadata to build a reference
+	var listMeta metav1.Common
+	objectMeta, err := meta.Accessor(obj)
+	if err != nil {
+		listMeta, err = meta.CommonAccessor(obj)
+		if err != nil {
+			return nil, err
+		}
+	} else {
+		listMeta = objectMeta
+	}
+
+	// if the object referenced is actually persisted, we can also get version from meta
+	version := gvk.GroupVersion().String()
+	if len(version) == 0 {
+		selfLink := listMeta.GetSelfLink()
+		if len(selfLink) == 0 {
+			return nil, ErrNoSelfLink
+		}
+		selfLinkUrl, err := url.Parse(selfLink)
+		if err != nil {
+			return nil, err
+		}
+		// example paths: /<prefix>/<version>/*
+		parts := strings.Split(selfLinkUrl.Path, "/")
+		if len(parts) < 3 {
+			return nil, fmt.Errorf("unexpected self link format: '%v'; got version '%v'", selfLink, version)
+		}
+		version = parts[2]
+	}
+
+	// only has list metadata
+	if objectMeta == nil {
+		return &api.ObjectReference{
+			Kind:            kind,
+			APIVersion:      version,
+			ResourceVersion: listMeta.GetResourceVersion(),
+		}, nil
+	}
+
+	return &api.ObjectReference{
+		Kind:            kind,
+		APIVersion:      version,
+		Name:            objectMeta.GetName(),
+		Namespace:       objectMeta.GetNamespace(),
+		UID:             objectMeta.GetUID(),
+		ResourceVersion: objectMeta.GetResourceVersion(),
+	}, nil
+}
+
+// GetPartialReference is exactly like GetReference, but allows you to set the FieldPath.
+func GetPartialReference(scheme *runtime.Scheme, obj runtime.Object, fieldPath string) (*api.ObjectReference, error) {
+	ref, err := GetReference(scheme, obj)
+	if err != nil {
+		return nil, err
+	}
+	ref.FieldPath = fieldPath
+	return ref, nil
+}

vendor/k8s.io/kubernetes/pkg/api/ref/ref_test.go

@@ -0,0 +1,148 @@
+/*
+Copyright 2014 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 ref
+
+import (
+	"reflect"
+	"testing"
+
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+	"k8s.io/apimachinery/pkg/runtime"
+	"k8s.io/apimachinery/pkg/runtime/schema"
+	"k8s.io/kubernetes/pkg/api/legacyscheme"
+	api "k8s.io/kubernetes/pkg/apis/core"
+)
+
+type FakeAPIObject struct{}
+
+func (obj *FakeAPIObject) GetObjectKind() schema.ObjectKind { return schema.EmptyObjectKind }
+func (obj *FakeAPIObject) DeepCopyObject() runtime.Object {
+	if obj == nil {
+		return nil
+	}
+	clone := *obj
+	return &clone
+}
+
+type ExtensionAPIObject struct {
+	metav1.TypeMeta
+	metav1.ObjectMeta
+}
+
+func (obj *ExtensionAPIObject) DeepCopyObject() runtime.Object {
+	panic("ExtensionAPIObject does not support DeepCopy")
+}
+
+func TestGetReference(t *testing.T) {
+
+	// when vendoring kube, if you don't force the set of registered versions (like make test does)
+	// then you run into trouble because the types aren't registered in the scheme by anything.  This does the
+	// register manually to allow unit test execution
+	if _, _, err := legacyscheme.Scheme.ObjectKinds(&api.Pod{}); err != nil {
+		api.AddToScheme(legacyscheme.Scheme)
+	}
+
+	table := map[string]struct {
+		obj       runtime.Object
+		ref       *api.ObjectReference
+		fieldPath string
+		shouldErr bool
+	}{
+		"pod": {
+			obj: &api.Pod{
+				ObjectMeta: metav1.ObjectMeta{
+					Name:            "foo",
+					UID:             "bar",
+					ResourceVersion: "42",
+					SelfLink:        "/api/version1/pods/foo",
+				},
+			},
+			fieldPath: ".desiredState.containers[0]",
+			ref: &api.ObjectReference{
+				Kind:            "Pod",
+				APIVersion:      "version1",
+				Name:            "foo",
+				UID:             "bar",
+				ResourceVersion: "42",
+				FieldPath:       ".desiredState.containers[0]",
+			},
+		},
+		"serviceList": {
+			obj: &api.ServiceList{
+				ListMeta: metav1.ListMeta{
+					ResourceVersion: "42",
+					SelfLink:        "/api/version2/services",
+				},
+			},
+			ref: &api.ObjectReference{
+				Kind:            "ServiceList",
+				APIVersion:      "version2",
+				ResourceVersion: "42",
+			},
+		},
+		"extensionAPIObject": {
+			obj: &ExtensionAPIObject{
+				TypeMeta: metav1.TypeMeta{
+					Kind: "ExtensionAPIObject",
+				},
+				ObjectMeta: metav1.ObjectMeta{
+					Name:            "foo",
+					UID:             "bar",
+					ResourceVersion: "42",
+					SelfLink:        "/custom_prefix/version1/extensions/foo",
+				},
+			},
+			ref: &api.ObjectReference{
+				Kind:            "ExtensionAPIObject",
+				APIVersion:      "version1",
+				Name:            "foo",
+				UID:             "bar",
+				ResourceVersion: "42",
+			},
+		},
+		"badSelfLink": {
+			obj: &api.ServiceList{
+				ListMeta: metav1.ListMeta{
+					ResourceVersion: "42",
+					SelfLink:        "version2/services",
+				},
+			},
+			shouldErr: true,
+		},
+		"error": {
+			obj:       &FakeAPIObject{},
+			ref:       nil,
+			shouldErr: true,
+		},
+		"errorNil": {
+			obj:       nil,
+			ref:       nil,
+			shouldErr: true,
+		},
+	}
+
+	for name, item := range table {
+		ref, err := GetPartialReference(legacyscheme.Scheme, item.obj, item.fieldPath)
+		if e, a := item.shouldErr, (err != nil); e != a {
+			t.Errorf("%v: expected %v, got %v, err %v", name, e, a, err)
+			continue
+		}
+		if e, a := item.ref, ref; !reflect.DeepEqual(e, a) {
+			t.Errorf("%v: expected %#v, got %#v", name, e, a)
+		}
+	}
+}