151 lines
3.6 KiB
Go
151 lines
3.6 KiB
Go
/*
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Copyright 2020 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 clusterapi
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import (
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"context"
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"testing"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
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)
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func TestSetSize(t *testing.T) {
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initialReplicas := int32(1)
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updatedReplicas := int32(5)
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testConfig := createMachineSetTestConfig(testNamespace, int(initialReplicas), nil)
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controller, stop := mustCreateTestController(t, testConfig)
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defer stop()
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sr, err := newMachineSetScalableResource(controller, testConfig.machineSet)
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if err != nil {
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t.Fatal(err)
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}
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err = sr.SetSize(updatedReplicas)
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if err != nil {
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t.Fatal(err)
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}
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// fetch machineSet
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u, err := sr.controller.dynamicclient.Resource(*sr.controller.machineSetResource).Namespace(testConfig.machineSet.Namespace).
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Get(context.TODO(), testConfig.machineSet.Name, metav1.GetOptions{})
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if err != nil {
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t.Fatal(err)
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}
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replicas, found, err := unstructured.NestedInt64(u.Object, "spec", "replicas")
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if err != nil {
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t.Fatal(err)
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}
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if !found {
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t.Fatal("spec.replicas not found")
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}
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got := int32(replicas)
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if got != updatedReplicas {
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t.Errorf("expected %v, got: %v", updatedReplicas, got)
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}
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}
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func TestReplicas(t *testing.T) {
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initialReplicas := int32(1)
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updatedReplicas := int32(5)
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testConfig := createMachineSetTestConfig(testNamespace, int(initialReplicas), nil)
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controller, stop := mustCreateTestController(t, testConfig)
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defer stop()
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sr, err := newMachineSetScalableResource(controller, testConfig.machineSet)
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if err != nil {
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t.Fatal(err)
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}
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i, err := sr.Replicas()
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if err != nil {
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t.Fatal(err)
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}
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if i != initialReplicas {
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t.Errorf("expected %v, got: %v", initialReplicas, i)
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}
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// fetch and update machineSet
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u, err := sr.controller.dynamicclient.Resource(*sr.controller.machineSetResource).Namespace(testConfig.machineSet.Namespace).
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Get(context.TODO(), testConfig.machineSet.Name, metav1.GetOptions{})
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if err != nil {
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t.Fatal(err)
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}
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if err := unstructured.SetNestedField(u.Object, int64(updatedReplicas), "spec", "replicas"); err != nil {
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t.Fatal(err)
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}
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_, err = sr.controller.dynamicclient.Resource(*sr.controller.machineSetResource).Namespace(u.GetNamespace()).
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Update(context.TODO(), u, metav1.UpdateOptions{})
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if err != nil {
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t.Fatal(err)
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}
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i, err = sr.Replicas()
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if err != nil {
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t.Fatal(err)
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}
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if i != updatedReplicas {
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t.Errorf("expected %v, got: %v", updatedReplicas, i)
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}
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}
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func TestSetSizeAndReplicas(t *testing.T) {
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initialReplicas := int32(1)
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updatedReplicas := int32(5)
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testConfig := createMachineSetTestConfig(testNamespace, int(initialReplicas), nil)
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controller, stop := mustCreateTestController(t, testConfig)
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defer stop()
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sr, err := newMachineSetScalableResource(controller, testConfig.machineSet)
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if err != nil {
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t.Fatal(err)
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}
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i, err := sr.Replicas()
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if err != nil {
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t.Fatal(err)
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}
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if i != initialReplicas {
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t.Errorf("expected %v, got: %v", initialReplicas, i)
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}
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err = sr.SetSize(updatedReplicas)
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if err != nil {
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t.Fatal(err)
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}
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i, err = sr.Replicas()
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if err != nil {
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t.Fatal(err)
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}
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if i != updatedReplicas {
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t.Errorf("expected %v, got: %v", updatedReplicas, i)
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}
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}
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