desiredphase_test.go

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

     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  // See the License for the specific language governing permissions and
    12  // limitations under the License.
    13  
    14  package desiredphase
    15  
    16  import (
    17  	"context"
    18  	"time"
    19  
    20  	. "github.com/onsi/ginkgo"
    21  	. "github.com/onsi/gomega"
    22  	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
    23  	"k8s.io/apimachinery/pkg/types"
    24  	"k8s.io/apimachinery/pkg/util/wait"
    25  	"k8s.io/client-go/util/retry"
    26  
    27  	"github.com/chaos-mesh/chaos-mesh/api/v1alpha1"
    28  )
    29  
    30  // These tests use Ginkgo (BDD-style Go testing framework). Refer to
    31  // http://onsi.github.io/ginkgo/ to learn more about Ginkgo.
    32  
    33  var _ = Describe("Schedule", func() {
    34  
    35  	BeforeEach(func() {
    36  		// Add any setup steps that needs to be executed before each test
    37  	})
    38  
    39  	AfterEach(func() {
    40  		// Add any teardown steps that needs to be executed after each test
    41  	})
    42  
    43  	Context("Setting phase", func() {
    44  		It("should set phase to running", func() {
    45  			key := types.NamespacedName{
    46  				Name:      "foo1",
    47  				Namespace: "default",
    48  			}
    49  			duration := "10s"
    50  			chaos := &v1alpha1.TimeChaos{
    51  				ObjectMeta: metav1.ObjectMeta{
    52  					Name:      "foo1",
    53  					Namespace: "default",
    54  				},
    55  				Spec: v1alpha1.TimeChaosSpec{
    56  					TimeOffset: "100ms",
    57  					ClockIds:   []string{"CLOCK_REALTIME"},
    58  					Duration:   &duration,
    59  					ContainerSelector: v1alpha1.ContainerSelector{
    60  						PodSelector: v1alpha1.PodSelector{
    61  							Mode: v1alpha1.OnePodMode,
    62  						},
    63  					},
    64  				},
    65  			}
    66  
    67  			By("creating a chaos")
    68  			{
    69  				Expect(k8sClient.Create(context.TODO(), chaos)).To(Succeed())
    70  			}
    71  
    72  			By("Reconciling desired phase")
    73  			{
    74  				err := wait.Poll(time.Second*1, time.Second*10, func() (ok bool, err error) {
    75  					err = k8sClient.Get(context.TODO(), key, chaos)
    76  					if err != nil {
    77  						return false, err
    78  					}
    79  					return chaos.GetStatus().Experiment.DesiredPhase == v1alpha1.RunningPhase, nil
    80  				})
    81  				Expect(err).ToNot(HaveOccurred())
    82  				err = wait.Poll(time.Second*1, time.Second*10, func() (ok bool, err error) {
    83  					err = k8sClient.Get(context.TODO(), key, chaos)
    84  					if err != nil {
    85  						return false, err
    86  					}
    87  					return chaos.GetStatus().Experiment.DesiredPhase == v1alpha1.StoppedPhase, nil
    88  				})
    89  				Expect(err).ToNot(HaveOccurred())
    90  			}
    91  
    92  			By("deleting the created object")
    93  			{
    94  				Expect(k8sClient.Delete(context.TODO(), chaos)).To(Succeed())
    95  				Expect(k8sClient.Get(context.TODO(), key, chaos)).ToNot(Succeed())
    96  			}
    97  		})
    98  		It("should stop paused chaos", func() {
    99  			key := types.NamespacedName{
   100  				Name:      "foo2",
   101  				Namespace: "default",
   102  			}
   103  			duration := "1000s"
   104  			chaos := &v1alpha1.TimeChaos{
   105  				ObjectMeta: metav1.ObjectMeta{
   106  					Name:      "foo2",
   107  					Namespace: "default",
   108  				},
   109  				Spec: v1alpha1.TimeChaosSpec{
   110  					TimeOffset: "100ms",
   111  					ClockIds:   []string{"CLOCK_REALTIME"},
   112  					Duration:   &duration,
   113  					ContainerSelector: v1alpha1.ContainerSelector{
   114  						PodSelector: v1alpha1.PodSelector{
   115  							Mode: v1alpha1.OnePodMode,
   116  						},
   117  					},
   118  				},
   119  			}
   120  
   121  			By("creating a chaos")
   122  			{
   123  				Expect(k8sClient.Create(context.TODO(), chaos)).To(Succeed())
   124  			}
   125  
   126  			By("Reconciling desired phase")
   127  			{
   128  				err := wait.Poll(time.Second*1, time.Second*10, func() (ok bool, err error) {
   129  					err = k8sClient.Get(context.TODO(), key, chaos)
   130  					if err != nil {
   131  						return false, err
   132  					}
   133  					return chaos.GetStatus().Experiment.DesiredPhase == v1alpha1.RunningPhase, nil
   134  				})
   135  				Expect(err).ToNot(HaveOccurred())
   136  			}
   137  			By("Pause chaos")
   138  			{
   139  				err := retry.RetryOnConflict(retry.DefaultRetry, func() (err error) {
   140  					err = k8sClient.Get(context.TODO(), key, chaos)
   141  					if err != nil {
   142  						return err
   143  					}
   144  					chaos.SetAnnotations(map[string]string{v1alpha1.PauseAnnotationKey: "true"})
   145  					return k8sClient.Update(context.TODO(), chaos)
   146  				})
   147  				Expect(err).ToNot(HaveOccurred())
   148  				err = wait.Poll(time.Second*5, time.Second*60, func() (ok bool, err error) {
   149  					err = k8sClient.Get(context.TODO(), key, chaos)
   150  					if err != nil {
   151  						return false, err
   152  					}
   153  					return chaos.GetStatus().Experiment.DesiredPhase == v1alpha1.StoppedPhase, nil
   154  				})
   155  				Expect(err).ToNot(HaveOccurred())
   156  			}
   157  
   158  			By("Resume chaos")
   159  			{
   160  				err := retry.RetryOnConflict(retry.DefaultRetry, func() (err error) {
   161  					err = k8sClient.Get(context.TODO(), key, chaos)
   162  					if err != nil {
   163  						return err
   164  					}
   165  					chaos.SetAnnotations(map[string]string{v1alpha1.PauseAnnotationKey: "false"})
   166  					return k8sClient.Update(context.TODO(), chaos)
   167  				})
   168  				Expect(err).ToNot(HaveOccurred())
   169  				err = wait.Poll(time.Second*5, time.Second*60, func() (ok bool, err error) {
   170  					err = k8sClient.Get(context.TODO(), key, chaos)
   171  					if err != nil {
   172  						return false, err
   173  					}
   174  					return chaos.GetStatus().Experiment.DesiredPhase == v1alpha1.RunningPhase, nil
   175  				})
   176  				Expect(err).ToNot(HaveOccurred())
   177  			}
   178  
   179  			By("deleting the created object")
   180  			{
   181  				Expect(k8sClient.Delete(context.TODO(), chaos)).To(Succeed())
   182  				Expect(k8sClient.Get(context.TODO(), key, chaos)).ToNot(Succeed())
   183  			}
   184  		})
   185  	})
   186  })
   187