Squashed 'k8smain/' content from commit 719158d

git-subtree-dir: k8smain git-subtree-split: 719158d2c8788c30cc9e1c51bbebb53c5801524e
2016-03-01 18:18:53 -08:00
commit 6bd2f3f318
8011 changed files with 1899339 additions and 0 deletions
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+/*
+Copyright 2015 The Kubernetes Authors All rights reserved.
+
+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 defaults
+
+import (
+	"reflect"
+	"testing"
+
+	"net/http/httptest"
+
+	"k8s.io/kubernetes/pkg/api/testapi"
+	"k8s.io/kubernetes/pkg/client/restclient"
+	client "k8s.io/kubernetes/pkg/client/unversioned"
+	"k8s.io/kubernetes/pkg/runtime"
+	utiltesting "k8s.io/kubernetes/pkg/util/testing"
+	schedulerapi "k8s.io/kubernetes/plugin/pkg/scheduler/api"
+	latestschedulerapi "k8s.io/kubernetes/plugin/pkg/scheduler/api/latest"
+	"k8s.io/kubernetes/plugin/pkg/scheduler/factory"
+)
+
+func TestCompatibility_v1_Scheduler(t *testing.T) {
+	// Add serialized versions of scheduler config that exercise available options to ensure compatibility between releases
+	schedulerFiles := map[string]struct {
+		JSON           string
+		ExpectedPolicy schedulerapi.Policy
+	}{
+		// Do not change this JSON. A failure indicates backwards compatibility with 1.0 was broken.
+		"1.0": {
+			JSON: `{
+  "kind": "Policy",
+  "apiVersion": "v1",
+  "predicates": [
+    {"name": "MatchNodeSelector"},
+    {"name": "PodFitsResources"},
+    {"name": "PodFitsPorts"},
+    {"name": "NoDiskConflict"},
+    {"name": "TestServiceAffinity", "argument": {"serviceAffinity" : {"labels" : ["region"]}}},
+    {"name": "TestLabelsPresence",  "argument": {"labelsPresence"  : {"labels" : ["foo"], "presence":true}}}
+  ],"priorities": [
+    {"name": "LeastRequestedPriority",   "weight": 1},
+    {"name": "ServiceSpreadingPriority", "weight": 2},
+    {"name": "TestServiceAntiAffinity",  "weight": 3, "argument": {"serviceAntiAffinity": {"label": "zone"}}},
+    {"name": "TestLabelPreference",      "weight": 4, "argument": {"labelPreference": {"label": "bar", "presence":true}}}
+  ]
+}`,
+			ExpectedPolicy: schedulerapi.Policy{
+				Predicates: []schedulerapi.PredicatePolicy{
+					{Name: "MatchNodeSelector"},
+					{Name: "PodFitsResources"},
+					{Name: "PodFitsPorts"},
+					{Name: "NoDiskConflict"},
+					{Name: "TestServiceAffinity", Argument: &schedulerapi.PredicateArgument{ServiceAffinity: &schedulerapi.ServiceAffinity{Labels: []string{"region"}}}},
+					{Name: "TestLabelsPresence", Argument: &schedulerapi.PredicateArgument{LabelsPresence: &schedulerapi.LabelsPresence{Labels: []string{"foo"}, Presence: true}}},
+				},
+				Priorities: []schedulerapi.PriorityPolicy{
+					{Name: "LeastRequestedPriority", Weight: 1},
+					{Name: "ServiceSpreadingPriority", Weight: 2},
+					{Name: "TestServiceAntiAffinity", Weight: 3, Argument: &schedulerapi.PriorityArgument{ServiceAntiAffinity: &schedulerapi.ServiceAntiAffinity{Label: "zone"}}},
+					{Name: "TestLabelPreference", Weight: 4, Argument: &schedulerapi.PriorityArgument{LabelPreference: &schedulerapi.LabelPreference{Label: "bar", Presence: true}}},
+				},
+			},
+		},
+
+		// Do not change this JSON after 1.1 is tagged. A failure indicates backwards compatibility with 1.1 was broken.
+		"1.1": {
+			JSON: `{
+		  "kind": "Policy",
+		  "apiVersion": "v1",
+		  "predicates": [
+		    {"name": "PodFitsHostPorts"}
+		  ],"priorities": [
+		    {"name": "SelectorSpreadPriority",   "weight": 2}
+		  ]
+		}`,
+			ExpectedPolicy: schedulerapi.Policy{
+				Predicates: []schedulerapi.PredicatePolicy{
+					{Name: "PodFitsHostPorts"},
+				},
+				Priorities: []schedulerapi.PriorityPolicy{
+					{Name: "SelectorSpreadPriority", Weight: 2},
+				},
+			},
+		},
+	}
+
+	for v, tc := range schedulerFiles {
+		policy := schedulerapi.Policy{}
+		if err := runtime.DecodeInto(latestschedulerapi.Codec, []byte(tc.JSON), &policy); err != nil {
+			t.Errorf("%s: Error decoding: %v", v, err)
+			continue
+		}
+		if !reflect.DeepEqual(policy, tc.ExpectedPolicy) {
+			t.Errorf("%s: Expected:\n\t%#v\nGot:\n\t%#v", v, tc.ExpectedPolicy, policy)
+		}
+
+		handler := utiltesting.FakeHandler{
+			StatusCode:   500,
+			ResponseBody: "",
+			T:            t,
+		}
+		server := httptest.NewServer(&handler)
+		// TODO: Uncomment when fix #19254
+		// defer server.Close()
+		client := client.NewOrDie(&restclient.Config{Host: server.URL, ContentConfig: restclient.ContentConfig{GroupVersion: testapi.Default.GroupVersion()}})
+
+		if _, err := factory.NewConfigFactory(client, "some-scheduler-name").CreateFromConfig(policy); err != nil {
+			t.Errorf("%s: Error constructing: %v", v, err)
+			continue
+		}
+	}
+}