desiredphase_test.go

Documentation: github.com/chaos-mesh/chaos-mesh/controllers/common

     1  // Copyright 2021 Chaos Mesh Authors.
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  // http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  //
    15  
    16  package common
    17  
    18  import (
    19  	"context"
    20  	"time"
    21  
    22  	. "github.com/onsi/ginkgo/v2"
    23  	. "github.com/onsi/gomega"
    24  	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
    25  	"k8s.io/apimachinery/pkg/types"
    26  	"k8s.io/apimachinery/pkg/util/wait"
    27  	"k8s.io/client-go/util/retry"
    28  
    29  	"github.com/chaos-mesh/chaos-mesh/api/v1alpha1"
    30  )
    31  
    32  // These tests use Ginkgo (BDD-style Go testing framework). Refer to
    33  // http://onsi.github.io/ginkgo/ to learn more about Ginkgo.
    34  
    35  var _ = Describe("Schedule", func() {
    36  
    37  	BeforeEach(func() {
    38  		// Add any setup steps that needs to be executed before each test
    39  	})
    40  
    41  	AfterEach(func() {
    42  		// Add any teardown steps that needs to be executed after each test
    43  	})
    44  
    45  	Context("Setting phase", func() {
    46  		It("should set phase to running", func() {
    47  			key := types.NamespacedName{
    48  				Name:      "foo1",
    49  				Namespace: "default",
    50  			}
    51  			duration := "10s"
    52  			chaos := &v1alpha1.TimeChaos{
    53  				ObjectMeta: metav1.ObjectMeta{
    54  					Name:      "foo1",
    55  					Namespace: "default",
    56  				},
    57  				Spec: v1alpha1.TimeChaosSpec{
    58  					TimeOffset: "100ms",
    59  					ClockIds:   []string{"CLOCK_REALTIME"},
    60  					Duration:   &duration,
    61  					ContainerSelector: v1alpha1.ContainerSelector{
    62  						PodSelector: v1alpha1.PodSelector{
    63  							Mode: v1alpha1.OneMode,
    64  						},
    65  					},
    66  				},
    67  			}
    68  
    69  			By("creating a chaos")
    70  			{
    71  				Expect(k8sClient.Create(context.TODO(), chaos)).To(Succeed())
    72  			}
    73  
    74  			By("Reconciling desired phase")
    75  			{
    76  				err := wait.PollUntilContextTimeout(context.TODO(), time.Second, time.Second*10, true,
    77  					func(ctx context.Context) (ok bool, err error) {
    78  						err = k8sClient.Get(ctx, key, chaos)
    79  						if err != nil {
    80  							return false, err
    81  						}
    82  						return chaos.GetStatus().Experiment.DesiredPhase == v1alpha1.RunningPhase, nil
    83  					})
    84  				Expect(err).ToNot(HaveOccurred())
    85  				err = wait.PollUntilContextTimeout(context.TODO(), time.Second, time.Second*10, true,
    86  					func(ctx context.Context) (ok bool, err error) {
    87  						err = k8sClient.Get(ctx, key, chaos)
    88  						if err != nil {
    89  							return false, err
    90  						}
    91  						return chaos.GetStatus().Experiment.DesiredPhase == v1alpha1.StoppedPhase, nil
    92  					})
    93  				Expect(err).ToNot(HaveOccurred())
    94  			}
    95  
    96  			By("deleting the created object")
    97  			{
    98  				Expect(k8sClient.Delete(context.TODO(), chaos)).To(Succeed())
    99  			}
   100  		})
   101  		It("should stop paused chaos", func() {
   102  			key := types.NamespacedName{
   103  				Name:      "foo2",
   104  				Namespace: "default",
   105  			}
   106  			duration := "1000s"
   107  			chaos := &v1alpha1.TimeChaos{
   108  				ObjectMeta: metav1.ObjectMeta{
   109  					Name:      "foo2",
   110  					Namespace: "default",
   111  				},
   112  				Spec: v1alpha1.TimeChaosSpec{
   113  					TimeOffset: "100ms",
   114  					ClockIds:   []string{"CLOCK_REALTIME"},
   115  					Duration:   &duration,
   116  					ContainerSelector: v1alpha1.ContainerSelector{
   117  						PodSelector: v1alpha1.PodSelector{
   118  							Mode: v1alpha1.OneMode,
   119  						},
   120  					},
   121  				},
   122  			}
   123  
   124  			By("creating a chaos")
   125  			{
   126  				Expect(k8sClient.Create(context.TODO(), chaos)).To(Succeed())
   127  			}
   128  
   129  			By("Reconciling desired phase")
   130  			{
   131  				err := wait.PollUntilContextTimeout(context.TODO(), time.Second, time.Second*10, true,
   132  					func(ctx context.Context) (ok bool, err error) {
   133  						err = k8sClient.Get(ctx, key, chaos)
   134  						if err != nil {
   135  							return false, err
   136  						}
   137  						return chaos.GetStatus().Experiment.DesiredPhase == v1alpha1.RunningPhase, nil
   138  					})
   139  				Expect(err).ToNot(HaveOccurred())
   140  			}
   141  			By("Pause chaos")
   142  			{
   143  				err := retry.RetryOnConflict(retry.DefaultRetry, func() (err error) {
   144  					err = k8sClient.Get(context.TODO(), key, chaos)
   145  					if err != nil {
   146  						return err
   147  					}
   148  					chaos.SetAnnotations(map[string]string{v1alpha1.PauseAnnotationKey: "true"})
   149  					return k8sClient.Update(context.TODO(), chaos)
   150  				})
   151  				Expect(err).ToNot(HaveOccurred())
   152  				err = wait.PollUntilContextTimeout(context.TODO(), time.Second*5, time.Second*60, true,
   153  					func(ctx context.Context) (ok bool, err error) {
   154  						err = k8sClient.Get(ctx, key, chaos)
   155  						if err != nil {
   156  							return false, err
   157  						}
   158  						return chaos.GetStatus().Experiment.DesiredPhase == v1alpha1.StoppedPhase, nil
   159  					})
   160  				Expect(err).ToNot(HaveOccurred())
   161  			}
   162  
   163  			By("Resume chaos")
   164  			{
   165  				err := retry.RetryOnConflict(retry.DefaultRetry, func() (err error) {
   166  					err = k8sClient.Get(context.TODO(), key, chaos)
   167  					if err != nil {
   168  						return err
   169  					}
   170  					chaos.SetAnnotations(map[string]string{v1alpha1.PauseAnnotationKey: "false"})
   171  					return k8sClient.Update(context.TODO(), chaos)
   172  				})
   173  				Expect(err).ToNot(HaveOccurred())
   174  				err = wait.PollUntilContextTimeout(context.TODO(), time.Second*5, time.Second*60, true,
   175  					func(ctx context.Context) (ok bool, err error) {
   176  						err = k8sClient.Get(ctx, key, chaos)
   177  						if err != nil {
   178  							return false, err
   179  						}
   180  						return chaos.GetStatus().Experiment.DesiredPhase == v1alpha1.RunningPhase, nil
   181  					})
   182  				Expect(err).ToNot(HaveOccurred())
   183  			}
   184  
   185  			By("deleting the created object")
   186  			{
   187  				Expect(k8sClient.Delete(context.TODO(), chaos)).To(Succeed())
   188  			}
   189  		})
   190  	})
   191  })
   192