Replace godep with dep

vendor/k8s.io/kubernetes/federation/pkg/federation-controller/util/hpa/BUILD

@@ -0,0 +1,37 @@
+load("@io_bazel_rules_go//go:def.bzl", "go_library", "go_test")
+
+go_library(
+    name = "go_default_library",
+    srcs = ["hpa.go"],
+    visibility = ["//visibility:public"],
+    deps = [
+        "//vendor/k8s.io/apimachinery/pkg/api/meta:go_default_library",
+        "//vendor/k8s.io/apimachinery/pkg/runtime:go_default_library",
+    ],
+)
+
+go_test(
+    name = "go_default_test",
+    srcs = ["hpa_test.go"],
+    library = ":go_default_library",
+    deps = [
+        "//vendor/github.com/stretchr/testify/require:go_default_library",
+        "//vendor/k8s.io/api/autoscaling/v1:go_default_library",
+        "//vendor/k8s.io/apimachinery/pkg/api/meta:go_default_library",
+        "//vendor/k8s.io/apimachinery/pkg/apis/meta/v1:go_default_library",
+    ],
+)
+
+filegroup(
+    name = "package-srcs",
+    srcs = glob(["**"]),
+    tags = ["automanaged"],
+    visibility = ["//visibility:private"],
+)
+
+filegroup(
+    name = "all-srcs",
+    srcs = [":package-srcs"],
+    tags = ["automanaged"],
+    visibility = ["//visibility:public"],
+)

vendor/k8s.io/kubernetes/federation/pkg/federation-controller/util/hpa/hpa.go

@@ -0,0 +1,75 @@
+/*
+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 hpa
+
+import (
+	"encoding/json"
+
+	"k8s.io/apimachinery/pkg/api/meta"
+	"k8s.io/apimachinery/pkg/runtime"
+)
+
+const (
+	// FederatedAnnotationOnHpaTargetObj as key, is used by hpa controller to
+	// set selected cluster name list as annotation on the target object.
+	FederatedAnnotationOnHpaTargetObj = "federation.kubernetes.io/hpa-target-cluster-list"
+)
+
+// ClusterNames stores the list of clusters represented by names as appearing on federation
+// cluster objects. This is set by federation hpa and used by target objects federation
+// controller to restrict that target object to only these clusters.
+type ClusterNames struct {
+	Names []string
+}
+
+func (cn *ClusterNames) String() string {
+	annotationBytes, _ := json.Marshal(cn)
+	return string(annotationBytes[:])
+}
+
+// GetHpaTargetClusterList is used to get the list of clusters from the target object
+// annotations.
+func GetHpaTargetClusterList(obj runtime.Object) (*ClusterNames, error) {
+	accessor, _ := meta.Accessor(obj)
+	targetObjAnno := accessor.GetAnnotations()
+	if targetObjAnno == nil {
+		return nil, nil
+	}
+	targetObjAnnoString, exists := targetObjAnno[FederatedAnnotationOnHpaTargetObj]
+	if !exists {
+		return nil, nil
+	}
+
+	clusterNames := &ClusterNames{}
+	if err := json.Unmarshal([]byte(targetObjAnnoString), clusterNames); err != nil {
+		return nil, err
+	}
+	return clusterNames, nil
+}
+
+// SetHpaTargetClusterList is used to set the list of clusters on the target object
+// annotations.
+func SetHpaTargetClusterList(obj runtime.Object, clusterNames ClusterNames) runtime.Object {
+	accessor, _ := meta.Accessor(obj)
+	anno := accessor.GetAnnotations()
+	if anno == nil {
+		anno = make(map[string]string)
+		accessor.SetAnnotations(anno)
+	}
+	anno[FederatedAnnotationOnHpaTargetObj] = clusterNames.String()
+	return obj
+}

vendor/k8s.io/kubernetes/federation/pkg/federation-controller/util/hpa/hpa_test.go

@@ -0,0 +1,115 @@
+/*
+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 hpa
+
+import (
+	"testing"
+
+	autoscalingv1 "k8s.io/api/autoscaling/v1"
+	"k8s.io/apimachinery/pkg/api/meta"
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+
+	"github.com/stretchr/testify/require"
+)
+
+func TestGetHpaTargetClusterList(t *testing.T) {
+	// Any object is fine for this test.
+	obj := &autoscalingv1.HorizontalPodAutoscaler{
+		ObjectMeta: metav1.ObjectMeta{
+			Name:      "myhpa",
+			Namespace: "myNamespace",
+			SelfLink:  "/api/mylink",
+		},
+	}
+
+	testCases := map[string]struct {
+		clusterNames *ClusterNames
+		expectedErr  bool
+	}{
+		"Wrong data set on annotations should return unmarshalling error when retrieving": {
+			expectedErr: true,
+		},
+		"Get clusternames on annotations with 2 clusters, should have same names, which were set": {
+			clusterNames: &ClusterNames{
+				Names: []string{
+					"c1",
+					"c2",
+				},
+			},
+		},
+	}
+
+	for testName, testCase := range testCases {
+		t.Run(testName, func(t *testing.T) {
+			accessor, _ := meta.Accessor(obj)
+			anno := accessor.GetAnnotations()
+			if anno == nil {
+				anno = make(map[string]string)
+				accessor.SetAnnotations(anno)
+			}
+			if testCase.expectedErr {
+				anno[FederatedAnnotationOnHpaTargetObj] = "{" //some random string
+			} else {
+				anno[FederatedAnnotationOnHpaTargetObj] = testCase.clusterNames.String()
+			}
+
+			readNames, err := GetHpaTargetClusterList(obj)
+
+			if testCase.expectedErr {
+				require.Error(t, err, "An error was expected")
+			} else {
+				require.Equal(t, testCase.clusterNames, readNames, "Names should have been equal")
+			}
+		})
+	}
+}
+
+func TestSetHpaTargetClusterList(t *testing.T) {
+	// Any object is fine for this test.
+	obj := &autoscalingv1.HorizontalPodAutoscaler{
+		ObjectMeta: metav1.ObjectMeta{
+			Name:      "myhpa",
+			Namespace: "myNamespace",
+			SelfLink:  "/api/mylink",
+		},
+	}
+
+	testCases := map[string]struct {
+		clusterNames ClusterNames
+		expectedErr  bool
+	}{
+		"Get clusternames on annotations with 2 clusters, should have same names, which were set": {
+			clusterNames: ClusterNames{
+				Names: []string{
+					"c1",
+					"c2",
+				},
+			},
+		},
+	}
+
+	for testName, testCase := range testCases {
+		t.Run(testName, func(t *testing.T) {
+
+			SetHpaTargetClusterList(obj, testCase.clusterNames)
+			readNames, err := GetHpaTargetClusterList(obj)
+			require.NoError(t, err, "An error should not have happened")
+			require.Equal(t, &testCase.clusterNames, readNames, "Names should have been equal")
+
+		})
+	}
+}