Replace godep with dep

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

@@ -0,0 +1,43 @@
+package(default_visibility = ["//visibility:public"])
+
+load(
+    "@io_bazel_rules_go//go:def.bzl",
+    "go_library",
+    "go_test",
+)
+
+go_library(
+    name = "go_default_library",
+    srcs = ["preferences.go"],
+    deps = [
+        "//federation/apis/federation:go_default_library",
+        "//vendor/k8s.io/apimachinery/pkg/api/meta: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"],
+)
+
+go_test(
+    name = "go_default_test",
+    srcs = ["preferences_test.go"],
+    library = ":go_default_library",
+    deps = [
+        "//vendor/github.com/stretchr/testify/assert:go_default_library",
+        "//vendor/k8s.io/api/extensions/v1beta1: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",
+    ],
+)

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

@@ -0,0 +1,55 @@
+/*
+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 replicapreferences
+
+import (
+	"encoding/json"
+
+	"k8s.io/apimachinery/pkg/api/meta"
+	"k8s.io/apimachinery/pkg/runtime"
+	fed "k8s.io/kubernetes/federation/apis/federation"
+)
+
+// GetAllocationPreferences reads the preferences from the annotations on the given object.
+// It takes in an object and determines the supported types.
+// Callers need to pass the string key used to store the annotations.
+// Returns nil if the annotations with the given key are not found.
+func GetAllocationPreferences(obj runtime.Object, key string) (*fed.ReplicaAllocationPreferences, error) {
+	if obj == nil {
+		return nil, nil
+	}
+
+	accessor, err := meta.Accessor(obj)
+	if err != nil {
+		return nil, err
+	}
+	annotations := accessor.GetAnnotations()
+	if annotations == nil {
+		return nil, nil
+	}
+
+	prefString, found := annotations[key]
+	if !found {
+		return nil, nil
+	}
+
+	var pref fed.ReplicaAllocationPreferences
+	if err := json.Unmarshal([]byte(prefString), &pref); err != nil {
+		return nil, err
+	}
+	return &pref, nil
+}

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

@@ -0,0 +1,92 @@
+/*
+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 replicapreferences
+
+import (
+	"testing"
+
+	extensionsv1 "k8s.io/api/extensions/v1beta1"
+	"k8s.io/apimachinery/pkg/api/meta"
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+
+	"github.com/stretchr/testify/assert"
+	"k8s.io/apimachinery/pkg/runtime"
+)
+
+const (
+	TestPreferencesAnnotationKey = "federation.kubernetes.io/test-preferences"
+)
+
+func TestGetAllocationPreferences(t *testing.T) {
+	testCases := []struct {
+		testname      string
+		prefs         string
+		obj           runtime.Object
+		errorExpected bool
+	}{
+		{
+			testname: "good preferences",
+			prefs: `{"rebalance": true,
+				  "clusters": {
+				    "k8s-1": {"minReplicas": 10, "maxReplicas": 20, "weight": 2},
+				    "*": {"weight": 1}
+				}}`,
+			obj: &extensionsv1.Deployment{
+				ObjectMeta: metav1.ObjectMeta{
+					Name:      "test-obj",
+					Namespace: metav1.NamespaceDefault,
+					SelfLink:  "/api/v1/namespaces/default/obj/test-obj",
+				},
+			},
+			errorExpected: false,
+		},
+		{
+			testname: "failed preferences",
+			prefs:    `{`, // bad json
+			obj: &extensionsv1.Deployment{
+				ObjectMeta: metav1.ObjectMeta{
+					Name:      "test-obj",
+					Namespace: metav1.NamespaceDefault,
+					SelfLink:  "/api/v1/namespaces/default/obj/test-obj",
+				},
+			},
+			errorExpected: true,
+		},
+	}
+
+	// prepare the objects
+	for _, tc := range testCases {
+		accessor, _ := meta.Accessor(tc.obj)
+		anno := accessor.GetAnnotations()
+		if anno == nil {
+			anno = make(map[string]string)
+			accessor.SetAnnotations(anno)
+		}
+		anno[TestPreferencesAnnotationKey] = tc.prefs
+	}
+
+	// test get preferences
+	for _, tc := range testCases {
+		pref, err := GetAllocationPreferences(tc.obj, TestPreferencesAnnotationKey)
+		if tc.errorExpected {
+			assert.NotNil(t, err)
+		} else {
+			assert.NotNil(t, pref)
+			assert.Nil(t, err)
+		}
+	}
+}