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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,15 @@ | ||
| ## Experiment Metadata | ||
|
|
||
| <table> | ||
| <tr> | ||
| <th> Name </th> | ||
| <th> Description </th> | ||
| <th> Documentation Link </th> | ||
| </tr> | ||
| <tr> | ||
| <td> Spring Boot App Kill </td> | ||
| <td> This experiment allows injecting Chaos Monkey app-kill assaults on Spring Boot applications, which have the [Chaos Monkey for Spring Boot](https://codecentric.github.io/chaos-monkey-spring-boot/) in their classpath. It can target random pods with a Spring Boot application and allows configuring the assaults to inject app-kill. It tests the resiliency of the system when some applications are having unexpected faulty behavior.</td> | ||
| <td> TODO </td> | ||
| </tr> | ||
| </table> | ||
|
|
214 changes: 214 additions & 0 deletions
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experiments/spring-boot/spring-boot-app-kill/experiment/spring-boot-app-kill.go
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,214 @@ | ||
| package experiment | ||
|
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||
| import ( | ||
| "os" | ||
|
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||
| "github.com/litmuschaos/chaos-operator/api/litmuschaos/v1alpha1" | ||
| litmusLIB "github.com/litmuschaos/litmus-go/chaoslib/litmus/spring-boot-chaos/lib" | ||
| "github.com/litmuschaos/litmus-go/pkg/clients" | ||
| "github.com/litmuschaos/litmus-go/pkg/events" | ||
| "github.com/litmuschaos/litmus-go/pkg/log" | ||
| "github.com/litmuschaos/litmus-go/pkg/probe" | ||
| "github.com/litmuschaos/litmus-go/pkg/result" | ||
| experimentEnv "github.com/litmuschaos/litmus-go/pkg/spring-boot/spring-boot-chaos/environment" | ||
| experimentTypes "github.com/litmuschaos/litmus-go/pkg/spring-boot/spring-boot-chaos/types" | ||
| "github.com/litmuschaos/litmus-go/pkg/status" | ||
| "github.com/litmuschaos/litmus-go/pkg/types" | ||
| "github.com/litmuschaos/litmus-go/pkg/utils/common" | ||
| "github.com/sirupsen/logrus" | ||
| ) | ||
|
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| // Experiment contains steps to inject chaos | ||
| func Experiment(clients clients.ClientSets) { | ||
|
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| experimentsDetails := experimentTypes.ExperimentDetails{} | ||
| resultDetails := types.ResultDetails{} | ||
| eventsDetails := types.EventDetails{} | ||
| chaosDetails := types.ChaosDetails{} | ||
|
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| //Fetching all the ENV passed from the runner pod | ||
| log.Infof("[PreReq]: Getting the ENV for the %v experiment", os.Getenv("EXPERIMENT_NAME")) | ||
| experimentEnv.GetENV(&experimentsDetails, "spring-boot-app-kill") | ||
|
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| // Initialize the chaos attributes | ||
| types.InitialiseChaosVariables(&chaosDetails) | ||
|
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| // Initialize Chaos Result Parameters | ||
| types.SetResultAttributes(&resultDetails, chaosDetails) | ||
|
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| if experimentsDetails.EngineName != "" { | ||
| // Initialize the probe details. Bail out upon error, as we haven't entered exp business logic yet | ||
| if err := probe.InitializeProbesInChaosResultDetails(&chaosDetails, clients, &resultDetails); err != nil { | ||
| log.Errorf("Unable to initialize the probes, err: %v", err) | ||
| return | ||
| } | ||
| } | ||
|
|
||
| //Updating the chaos result in the beginning of experiment | ||
| log.Infof("[PreReq]: Updating the chaos result of %v experiment (SOT)", experimentsDetails.ExperimentName) | ||
| if err := result.ChaosResult(&chaosDetails, clients, &resultDetails, "SOT"); err != nil { | ||
| log.Errorf("Unable to Create the Chaos Result, err: %v", err) | ||
| failStep := "[pre-chaos]: Failed to update the chaos result of spring-boot-chaos experiment (SOT), err: " + err.Error() | ||
| result.RecordAfterFailure(&chaosDetails, &resultDetails, failStep, clients, &eventsDetails) | ||
| return | ||
| } | ||
|
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||
| // Set the chaos result uid | ||
| _ = result.SetResultUID(&resultDetails, clients, &chaosDetails) | ||
|
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| // generating the event in chaosResult to mark the verdict as awaited | ||
| msg := "experiment: " + experimentsDetails.ExperimentName + ", Result: Awaited" | ||
| types.SetResultEventAttributes(&eventsDetails, types.AwaitedVerdict, msg, "Normal", &resultDetails) | ||
| _ = events.GenerateEvents(&eventsDetails, clients, &chaosDetails, "ChaosResult") | ||
|
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| //DISPLAY THE APP INFORMATION | ||
| log.InfoWithValues("[Info]: The application information is as follows", logrus.Fields{ | ||
| "Namespace": experimentsDetails.AppNS, | ||
| "Label": experimentsDetails.AppLabel, | ||
| "Chaos Duration": experimentsDetails.ChaosDuration, | ||
| }) | ||
|
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| // Calling AbortWatcher go routine, it will continuously watch for the abort signal and generate the required events and result | ||
| go common.AbortWatcherWithoutExit(experimentsDetails.ExperimentName, clients, &resultDetails, &chaosDetails, &eventsDetails) | ||
|
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| // Select targeted pods | ||
| log.Infof("[PreCheck]: Geting targeted pods list") | ||
| if err := litmusLIB.SetTargetPodList(&experimentsDetails, clients, &chaosDetails); err != nil { | ||
| log.Errorf("Failed to get target pod list, err: %v", err) | ||
| failStep := "[pre-chaos]: Failed to get pod list, err: " + err.Error() | ||
| types.SetEngineEventAttributes(&eventsDetails, types.PreChaosCheck, "Pods: Not Found", "Warning", &chaosDetails) | ||
| _ = events.GenerateEvents(&eventsDetails, clients, &chaosDetails, "ChaosEngine") | ||
| result.RecordAfterFailure(&chaosDetails, &resultDetails, failStep, clients, &eventsDetails) | ||
| return | ||
| } | ||
| podNames := make([]string, 0, 1) | ||
| for _, pod := range experimentsDetails.TargetPodList.Items { | ||
| podNames = append(podNames, pod.Name) | ||
| } | ||
| log.Infof("[PreCheck]: Target pods list for chaos, %v", podNames) | ||
|
|
||
| // Check if the targeted pods have the chaos monkey endpoint | ||
| log.Infof("[PreCheck]: Checking for ChaosMonkey endpoint in target pods") | ||
| if _, err := litmusLIB.CheckChaosMonkey(experimentsDetails.ChaosMonkeyPort, experimentsDetails.ChaosMonkeyPath, experimentsDetails.TargetPodList); err != nil { | ||
| log.Errorf("Some target pods don't have the chaos monkey endpoint, err: %v", err) | ||
| failStep := "[pre-chaos]: Some target pods don't have the chaos monkey endpoint, err: " + err.Error() | ||
| types.SetEngineEventAttributes(&eventsDetails, types.PreChaosCheck, "ChaosMonkey: Not Found", "Warning", &chaosDetails) | ||
| _ = events.GenerateEvents(&eventsDetails, clients, &chaosDetails, "ChaosEngine") | ||
| result.RecordAfterFailure(&chaosDetails, &resultDetails, failStep, clients, &eventsDetails) | ||
| return | ||
| } | ||
|
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||
| //PRE-CHAOS APPLICATION STATUS CHECK | ||
| if chaosDetails.DefaultHealthCheck { | ||
| log.Info("[Status]: Verify that the AUT (Application Under Test) is running (pre-chaos)") | ||
| if err := status.AUTStatusCheck(experimentsDetails.AppNS, experimentsDetails.AppLabel, experimentsDetails.TargetContainer, experimentsDetails.Timeout, experimentsDetails.Delay, clients, &chaosDetails); err != nil { | ||
| log.Errorf("Application status check failed, err: %v", err) | ||
| failStep := "[pre-chaos]: Failed to verify that the AUT (Application Under Test) is in running state, err: " + err.Error() | ||
| types.SetEngineEventAttributes(&eventsDetails, types.PreChaosCheck, "AUT: Not Running", "Warning", &chaosDetails) | ||
| _ = events.GenerateEvents(&eventsDetails, clients, &chaosDetails, "ChaosEngine") | ||
| result.RecordAfterFailure(&chaosDetails, &resultDetails, failStep, clients, &eventsDetails) | ||
| return | ||
| } | ||
| } | ||
|
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| if experimentsDetails.EngineName != "" { | ||
| // marking AUT as running, as we already checked the status of application under test | ||
| msg := "AUT: Running" | ||
|
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| // run the probes in the pre-chaos check | ||
| if len(resultDetails.ProbeDetails) != 0 { | ||
| if err := probe.RunProbes(&chaosDetails, clients, &resultDetails, "PreChaos", &eventsDetails); err != nil { | ||
| log.Errorf("Probe Failed, err: %v", err) | ||
| failStep := "[pre-chaos]: Failed while running probes, err: " + err.Error() | ||
| msg := "AUT: Running, Probes: Unsuccessful" | ||
| types.SetEngineEventAttributes(&eventsDetails, types.PreChaosCheck, msg, "Warning", &chaosDetails) | ||
| _ = events.GenerateEvents(&eventsDetails, clients, &chaosDetails, "ChaosEngine") | ||
| result.RecordAfterFailure(&chaosDetails, &resultDetails, failStep, clients, &eventsDetails) | ||
| return | ||
| } | ||
| msg = "AUT: Running, Probes: Successful" | ||
| } | ||
| // generating the events for the pre-chaos check | ||
| types.SetEngineEventAttributes(&eventsDetails, types.PreChaosCheck, msg, "Normal", &chaosDetails) | ||
| _ = events.GenerateEvents(&eventsDetails, clients, &chaosDetails, "ChaosEngine") | ||
| } | ||
|
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||
| // Including the litmus lib | ||
| switch experimentsDetails.ChaosLib { | ||
| case "litmus": | ||
| if err := litmusLIB.PrepareChaos(&experimentsDetails, clients, &resultDetails, &eventsDetails, &chaosDetails); err != nil { | ||
| log.Errorf("Chaos injection failed, err: %v", err) | ||
| failStep := "[chaos]: Failed inside the chaoslib, err: " + err.Error() | ||
| result.RecordAfterFailure(&chaosDetails, &resultDetails, failStep, clients, &eventsDetails) | ||
| return | ||
| } | ||
| default: | ||
| log.Error("[Invalid]: Please Provide the correct LIB") | ||
| failStep := "[chaos]: no match found for specified lib" | ||
| result.RecordAfterFailure(&chaosDetails, &resultDetails, failStep, clients, &eventsDetails) | ||
| return | ||
| } | ||
|
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||
| log.Infof("[Confirmation]: %v chaos has been injected successfully", experimentsDetails.ExperimentName) | ||
| resultDetails.Verdict = v1alpha1.ResultVerdictPassed | ||
|
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| // POST-CHAOS APPLICATION STATUS CHECK | ||
| if chaosDetails.DefaultHealthCheck { | ||
| log.Info("[Status]: Verify that the AUT (Application Under Test) is running (post-chaos)") | ||
| if err := status.AUTStatusCheck(experimentsDetails.AppNS, experimentsDetails.AppLabel, experimentsDetails.TargetContainer, experimentsDetails.Timeout, experimentsDetails.Delay, clients, &chaosDetails); err != nil { | ||
| log.Errorf("Application status check failed, err: %v", err) | ||
| failStep := "[post-chaos]: Failed to verify that the AUT (Application Under Test) is running, err: " + err.Error() | ||
| types.SetEngineEventAttributes(&eventsDetails, types.PostChaosCheck, "AUT: Not Running", "Warning", &chaosDetails) | ||
| _ = events.GenerateEvents(&eventsDetails, clients, &chaosDetails, "ChaosEngine") | ||
| result.RecordAfterFailure(&chaosDetails, &resultDetails, failStep, clients, &eventsDetails) | ||
| return | ||
| } | ||
| } | ||
|
|
||
| if experimentsDetails.EngineName != "" { | ||
| // marking AUT as running, as we already checked the status of application under test | ||
| msg := "AUT: Running" | ||
|
|
||
| // run the probes in the post-chaos check | ||
| if len(resultDetails.ProbeDetails) != 0 { | ||
| if err := probe.RunProbes(&chaosDetails, clients, &resultDetails, "PostChaos", &eventsDetails); err != nil { | ||
| log.Errorf("Probes Failed, err: %v", err) | ||
| failStep := "[post-chaos]: Failed while running probes, err: " + err.Error() | ||
| msg := "AUT: Running, Probes: Unsuccessful" | ||
| types.SetEngineEventAttributes(&eventsDetails, types.PostChaosCheck, msg, "Warning", &chaosDetails) | ||
| _ = events.GenerateEvents(&eventsDetails, clients, &chaosDetails, "ChaosEngine") | ||
| result.RecordAfterFailure(&chaosDetails, &resultDetails, failStep, clients, &eventsDetails) | ||
| return | ||
| } | ||
| msg = "AUT: Running, Probes: Successful" | ||
| } | ||
|
|
||
| // generating post chaos event | ||
| types.SetEngineEventAttributes(&eventsDetails, types.PostChaosCheck, msg, "Normal", &chaosDetails) | ||
| _ = events.GenerateEvents(&eventsDetails, clients, &chaosDetails, "ChaosEngine") | ||
| } | ||
|
|
||
| //Updating the chaosResult in the end of experiment | ||
| log.Infof("[The End]: Updating the chaos result of %v experiment (EOT)", experimentsDetails.ExperimentName) | ||
| if err := result.ChaosResult(&chaosDetails, clients, &resultDetails, "EOT"); err != nil { | ||
| log.Errorf("Unable to Update the Chaos Result, err: %v", err) | ||
| return | ||
| } | ||
|
|
||
| // generating the event in chaosResult to mark the verdict as pass/fail | ||
| msg = "experiment: " + experimentsDetails.ExperimentName + ", Result: " + string(resultDetails.Verdict) | ||
| reason := types.PassVerdict | ||
| eventType := "Normal" | ||
| if resultDetails.Verdict != "Pass" { | ||
| reason = types.FailVerdict | ||
| eventType = "Warning" | ||
| } | ||
| types.SetResultEventAttributes(&eventsDetails, reason, msg, eventType, &resultDetails) | ||
| _ = events.GenerateEvents(&eventsDetails, clients, &chaosDetails, "ChaosResult") | ||
|
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| if experimentsDetails.EngineName != "" { | ||
| msg := experimentsDetails.ExperimentName + " experiment has been " + string(resultDetails.Verdict) + "ed" | ||
| types.SetEngineEventAttributes(&eventsDetails, types.Summary, msg, "Normal", &chaosDetails) | ||
| _ = events.GenerateEvents(&eventsDetails, clients, &chaosDetails, "ChaosEngine") | ||
| } | ||
| } |
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|---|---|---|
| @@ -0,0 +1,36 @@ | ||
| apiVersion: v1 | ||
| kind: ServiceAccount | ||
| metadata: | ||
| name: spring-boot-app-kill-sa | ||
| namespace: podtato | ||
| labels: | ||
| name: spring-boot-app-kill-sa | ||
| --- | ||
| apiVersion: rbac.authorization.k8s.io/v1 | ||
| kind: Role | ||
| metadata: | ||
| name: spring-boot-app-kill-sa | ||
| labels: | ||
| name: spring-boot-app-kill-sa | ||
| rules: | ||
| - apiGroups: [ "","litmuschaos.io","batch","apps" ] | ||
| resources: [ "pods","deployments","pods/log","events","jobs","pods/exec","statefulsets","configmaps","chaosengines","chaosexperiments","chaosresults" ] | ||
| verbs: [ "create","list","get","patch","delete","update" ] | ||
| - apiGroups: [ "" ] | ||
| resources: [ "nodes" ] | ||
| verbs: [ "get","list" ] | ||
| --- | ||
| apiVersion: rbac.authorization.k8s.io/v1 | ||
| kind: RoleBinding | ||
| metadata: | ||
| name: spring-boot-app-kill-sa | ||
| labels: | ||
| name: spring-boot-app-kill-sa | ||
| roleRef: | ||
| apiGroup: rbac.authorization.k8s.io | ||
| kind: Role | ||
| name: spring-boot-app-kill-sa | ||
| subjects: | ||
| - kind: ServiceAccount | ||
| name: spring-boot-app-kill-sa | ||
| namespace: podtato |
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