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chore(experiments): Update pod-delete experiment to utilize Litmus SDK for experiment execution
- Integrate the use of the Litmus SDK for creating and running the pod-delete experiment. - Refactor test setup to include infrastructure connection and experiment request construction. - Add new helper function to construct experiment requests with proper manifest YAML. - Update go.mod and go.sum to include the latest version of github.com/google/uuid.
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-102
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‎experiments/pod-delete_test.go

+157-98
Original file line numberDiff line numberDiff line change
@@ -1,18 +1,20 @@
11
package experiments
22

33
import (
4+
"fmt"
45
"testing"
6+
"time"
57

6-
"github.com/litmuschaos/chaos-ci-lib/pkg"
8+
"github.com/google/uuid"
79
"github.com/litmuschaos/chaos-ci-lib/pkg/environment"
8-
engine "github.com/litmuschaos/chaos-ci-lib/pkg/generic/pod-delete/lib"
910
"github.com/litmuschaos/chaos-ci-lib/pkg/types"
10-
"github.com/litmuschaos/chaos-operator/pkg/apis/litmuschaos/v1alpha1"
11+
experiment "github.com/litmuschaos/litmus-go-sdk/pkg/apis/experiment"
1112
models "github.com/litmuschaos/litmus/chaoscenter/graphql/server/graph/model"
1213
. "github.com/onsi/ginkgo"
1314
. "github.com/onsi/gomega"
1415
_ "k8s.io/client-go/plugin/pkg/client/auth/gcp"
1516
"k8s.io/klog"
17+
"sigs.k8s.io/yaml"
1618
)
1719

1820
func TestPodDelete(t *testing.T) {
@@ -23,145 +25,202 @@ func TestPodDelete(t *testing.T) {
2325
//BDD for running pod-delete experiment
2426
var _ = Describe("BDD of running pod-delete experiment", func() {
2527

26-
Context("Check for pod-delete experiment", func() {
28+
Context("Check for pod-delete experiment via SDK", func() {
2729
// Define variables accessible to It and AfterEach
2830
var (
2931
experimentsDetails types.ExperimentDetails
3032
clients environment.ClientSets
31-
chaosEngine v1alpha1.ChaosEngine
32-
err error
33+
err error
3334
)
3435

35-
BeforeEach(func() {
36+
BeforeEach(func() {
3637
experimentsDetails = types.ExperimentDetails{}
3738
clients = environment.ClientSets{}
38-
chaosEngine = v1alpha1.ChaosEngine{}
3939
err = nil
4040

4141
//Getting kubeConfig and Generate ClientSets
42-
By("[PreChaos]: Getting kubeconfig and generate clientset")
42+
By("[PreChaos]: Getting kubeconfig and generate clientset")
4343
err = clients.GenerateClientSetFromKubeConfig()
44-
Expect(err).To(BeNil(), "Unable to Get the kubeconfig, due to {%v}", err) // Use BeNil directly
44+
Expect(err).To(BeNil(), "Unable to Get the kubeconfig, due to {%v}", err)
4545

4646
//Fetching all the default ENV
4747
By("[PreChaos]: Fetching all default ENVs")
4848
klog.Infof("[PreReq]: Getting the ENVs for the %v experiment", experimentsDetails.ExperimentName)
4949
environment.GetENV(&experimentsDetails, "pod-delete", "pod-delete-engine")
5050

51-
// Connect to ChaosCenter Infrastructure if flag is set
52-
By("[PreChaos]: Conditionally connecting Infra via SDK")
53-
if experimentsDetails.ConnectInfraFlag {
54-
klog.Infof("CONNECT_INFRA flag is set, attempting to connect infrastructure: %s", experimentsDetails.InfraName)
55-
err = clients.GenerateClientSetFromSDK()
56-
Expect(err).To(BeNil(), "Unable to generate Litmus SDK client, due to {%v}", err)
57-
58-
sdkConfig := map[string]interface{}{
59-
"namespace": experimentsDetails.InfraNamespace,
60-
"serviceAccount": experimentsDetails.InfraSA,
61-
"mode": experimentsDetails.InfraScope,
62-
"description": experimentsDetails.InfraDescription,
63-
"platformName": experimentsDetails.InfraPlatformName,
64-
"environmentID": experimentsDetails.InfraEnvironmentID,
65-
"nsExists": experimentsDetails.InfraNsExists,
66-
"saExists": experimentsDetails.InfraSaExists,
67-
"skipSSL": experimentsDetails.InfraSkipSSL,
68-
"nodeSelector": experimentsDetails.InfraNodeSelector,
69-
"tolerations": experimentsDetails.InfraTolerations,
70-
}
71-
72-
infraData, errSdk := clients.SDKClient.Infrastructure().Create(experimentsDetails.InfraName, sdkConfig)
73-
Expect(errSdk).To(BeNil(), "Failed to create infrastructure via SDK, due to {%v}", errSdk)
74-
if errSdk == nil { // Only proceed if connection was successful
75-
klog.Infof("Successfully initiated infrastructure connection via SDK for: %v", experimentsDetails.InfraName)
76-
// Attempt to extract the InfraID
77-
if infraData != nil {
78-
registerResponse, ok := infraData.(*models.RegisterInfraResponse)
79-
if ok && registerResponse != nil {
80-
experimentsDetails.ConnectedInfraID = registerResponse.InfraID
81-
klog.Infof("Stored connected infra ID: %s", experimentsDetails.ConnectedInfraID)
82-
} else {
83-
klog.Warningf("Could not assert type '%T' to *models.RegisterInfraResponse or extract InfraID from SDK response for infra '%s'", infraData, experimentsDetails.InfraName)
84-
}
85-
} else {
86-
klog.Warningf("Infrastructure Create call returned nil data for infra '%s'", experimentsDetails.InfraName)
87-
}
88-
}
89-
} else {
90-
klog.Info("CONNECT_INFRA flag not set, skipping SDK infrastructure connection.")
51+
// Connect to ChaosCenter Infrastructure via SDK (Mandatory)
52+
By("[PreChaos]: Connecting Infra via SDK")
53+
klog.Infof("Attempting to connect infrastructure: %s", experimentsDetails.InfraName)
54+
err = clients.GenerateClientSetFromSDK()
55+
Expect(err).To(BeNil(), "Unable to generate Litmus SDK client, due to {%v}", err)
56+
57+
sdkConfig := map[string]interface{}{
58+
"namespace": experimentsDetails.InfraNamespace,
59+
"serviceAccount": experimentsDetails.InfraSA,
60+
"mode": experimentsDetails.InfraScope,
61+
"description": experimentsDetails.InfraDescription,
62+
"platformName": experimentsDetails.InfraPlatformName,
63+
"environmentID": experimentsDetails.InfraEnvironmentID,
64+
"nsExists": experimentsDetails.InfraNsExists,
65+
"saExists": experimentsDetails.InfraSaExists,
66+
"skipSSL": experimentsDetails.InfraSkipSSL,
67+
"nodeSelector": experimentsDetails.InfraNodeSelector,
68+
"tolerations": experimentsDetails.InfraTolerations,
9169
}
70+
71+
infraData, errSdk := clients.SDKClient.Infrastructure().Create(experimentsDetails.InfraName, sdkConfig)
72+
Expect(errSdk).To(BeNil(), "Failed to create infrastructure via SDK, due to {%v}", errSdk)
73+
74+
Expect(infraData).NotTo(BeNil(), "Infrastructure Create call returned nil data for infra '%s'", experimentsDetails.InfraName)
75+
registerResponse, ok := infraData.(*models.RegisterInfraResponse)
76+
Expect(ok).To(BeTrue(), "Could not assert type '%T' to *models.RegisterInfraResponse", infraData)
77+
Expect(registerResponse).NotTo(BeNil(), "RegisterInfraResponse is nil after type assertion")
78+
Expect(registerResponse.InfraID).NotTo(BeEmpty(), "Extracted InfraID is empty")
79+
80+
experimentsDetails.ConnectedInfraID = registerResponse.InfraID
81+
klog.Infof("Successfully connected infrastructure via SDK. Stored ID: %s", experimentsDetails.ConnectedInfraID)
82+
83+
// Fail setup explicitly if ID is empty after checks
84+
Expect(experimentsDetails.ConnectedInfraID).NotTo(BeEmpty(), "Setup failed: ConnectedInfraID is empty after connection attempt.")
9285
})
9386

94-
It("Should check for the pod delete experiment", func() { // Use It directly
87+
It("Should run the pod delete experiment via SDK", func() {
9588

9689
// Ensure pre-checks passed from BeforeEach
9790
Expect(err).To(BeNil(), "Error during BeforeEach setup: %v", err)
9891

99-
// Install RBAC for experiment Execution
100-
By("[Prepare]: Prepare and install RBAC")
101-
err = pkg.InstallRbac(&experimentsDetails, experimentsDetails.ChaosNamespace)
102-
Expect(err).To(BeNil(), "fail to install rbac for the experiment, due to {%v}", err)
103-
104-
// Install ChaosEngine for experiment Execution
105-
By("[Prepare]: Prepare and install ChaosEngine")
106-
err = engine.InstallPodDeleteEngine(&experimentsDetails, &chaosEngine, clients)
107-
Expect(err).To(BeNil(), "fail to install chaosengine, due to {%v}", err)
108-
109-
//Checking runner pod running state
110-
By("[Status]: Runner pod running status check")
111-
err = pkg.RunnerPodStatus(&experimentsDetails, chaosEngine.Namespace, clients)
112-
if err != nil && chaosEngine.Namespace != experimentsDetails.AppNS {
113-
err = pkg.RunnerPodStatus(&experimentsDetails, experimentsDetails.AppNS, clients)
92+
// V3 SDK PATH (Now the only path)
93+
klog.Info("Executing V3 SDK Path for Experiment")
94+
95+
// 1. Construct Experiment Request
96+
By("[SDK Prepare]: Constructing Chaos Experiment Request")
97+
experimentName := experimentsDetails.EngineName
98+
experimentID := experimentName + "-" + uuid.New().String()[:8]
99+
experimentRequest, errConstruct := ConstructPodDeleteExperimentRequest(&experimentsDetails, experimentID)
100+
Expect(errConstruct).To(BeNil(), "Failed to construct experiment request: %v", errConstruct)
101+
102+
// 2. Create and Run Experiment via SDK
103+
By("[SDK Prepare]: Creating and Running Chaos Experiment")
104+
creds := clients.GetSDKCredentials()
105+
runResponse, errRun := experiment.CreateExperiment(clients.LitmusProjectID, *experimentRequest, creds)
106+
Expect(errRun).To(BeNil(), "Failed to create/run experiment via SDK: %v", errRun)
107+
Expect(runResponse.Data.RunExperimentDetails.NotifyID).NotTo(BeEmpty(), "Experiment Run ID (NotifyID) should not be empty")
108+
experimentsDetails.ExperimentRunID = runResponse.Data.RunExperimentDetails.NotifyID
109+
klog.Infof("Experiment Run successfully triggered via SDK. Run ID: %s", experimentsDetails.ExperimentRunID)
110+
111+
// 3. Poll for Experiment Run Status
112+
By("[SDK Status]: Polling for Experiment Run Status")
113+
var finalStatus *experiment.ExperimentRunResponse
114+
var pollError error
115+
timeout := time.After(8 * time.Minute)
116+
ticker := time.NewTicker(15 * time.Second)
117+
defer ticker.Stop()
118+
119+
pollLoop:
120+
for {
121+
select {
122+
case <-timeout:
123+
pollError = fmt.Errorf("timed out waiting for experiment run %s to complete after 8 minutes", experimentsDetails.ExperimentRunID)
124+
klog.Error(pollError)
125+
break pollLoop
126+
case <-ticker.C:
127+
runStatus, errStatus := experiment.GetExperimentRun(clients.LitmusProjectID, experimentsDetails.ExperimentRunID, creds)
128+
if errStatus != nil {
129+
klog.Errorf("Error fetching experiment run status for %s: %v", experimentsDetails.ExperimentRunID, errStatus)
130+
continue
131+
}
132+
currentPhase := runStatus.Data.ExperimentRun.Phase
133+
klog.Infof("Experiment Run %s current phase: %s", experimentsDetails.ExperimentRunID, currentPhase)
134+
isFinalPhase := false
135+
finalPhases := []string{"Completed", "Failed", "Error", "Stopped", "Skipped", "Aborted", "Timeout"}
136+
for _, phase := range finalPhases {
137+
if currentPhase == phase {
138+
isFinalPhase = true
139+
break
140+
}
141+
}
142+
if isFinalPhase {
143+
finalStatus = &runStatus.Data.ExperimentRun
144+
klog.Infof("Experiment Run %s reached final phase: %s", experimentsDetails.ExperimentRunID, currentPhase)
145+
break pollLoop
146+
}
147+
}
114148
}
115-
Expect(err).To(BeNil(), "Runner pod status check failed, due to {%v}", err)
116-
117-
//Chaos pod running status check
118-
By("[Status]: Chaos pod running status check")
119-
err = pkg.ChaosPodStatus(&experimentsDetails, clients)
120-
Expect(err).To(BeNil(), "Chaos pod status check failed, due to {%v}", err)
121-
122-
//Waiting for chaos pod to get completed
123-
//And Print the logs of the chaos pod
124-
By("[Status]: Wait for chaos pod completion and then print logs")
125-
err = pkg.ChaosPodLogs(&experimentsDetails, clients)
126-
Expect(err).To(BeNil(), "Fail to get the experiment chaos pod logs, due to {%v}", err)
127-
128-
//Checking the chaosresult verdict
129-
By("[Verdict]: Checking the chaosresult verdict")
130-
err = pkg.ChaosResultVerdict(&experimentsDetails, clients)
131-
Expect(err).To(BeNil(), "ChasoResult Verdict check failed, due to {%v}", err)
132-
133-
//Checking chaosengine verdict
134-
By("Checking the Verdict of Chaos Engine")
135-
err = pkg.ChaosEngineVerdict(&experimentsDetails, clients)
136-
Expect(err).To(BeNil(), "ChaosEngine Verdict check failed, due to {%v}", err)
149+
150+
// 4. Post Validation / Verdict Check
151+
By("[SDK Verdict]: Checking Experiment Run Verdict")
152+
Expect(pollError).To(BeNil())
153+
Expect(finalStatus).NotTo(BeNil(), "Final status should not be nil after polling")
154+
Expect(finalStatus.Phase).To(Equal("Completed"), fmt.Sprintf("Experiment Run phase should be Completed, but got %s", finalStatus.Phase))
155+
137156
})
138157

139158
// Cleanup using AfterEach
140-
AfterEach(func() { // Use AfterEach directly
141-
if experimentsDetails.ConnectInfraFlag && experimentsDetails.ConnectedInfraID != "" {
142-
// Only attempt disconnect if infra was potentially connected and ID was stored
159+
AfterEach(func() {
160+
// Disconnect only if Infra ID was successfully stored
161+
if experimentsDetails.ConnectedInfraID != "" {
143162
By("[CleanUp]: Disconnecting Infra via SDK")
144163
klog.Infof("Attempting to disconnect infrastructure with ID: %s", experimentsDetails.ConnectedInfraID)
145-
// Need SDK client - ensure 'clients' is accessible or re-initialize if needed
146164
if clients.SDKClient == nil {
147-
// Re-initialize SDK client if not available (e.g., if BeforeEach failed partially)
148165
klog.Warning("SDK client not initialized in AfterEach, attempting re-initialization for cleanup...")
149166
errSdkInit := clients.GenerateClientSetFromSDK()
150167
if errSdkInit != nil {
151168
klog.Errorf("Failed to re-initialize SDK client for cleanup: %v", errSdkInit)
152-
// Skip disconnect if client cannot be initialized
153-
return
169+
return
154170
}
155171
}
156172
errDisconnect := clients.SDKClient.Infrastructure().Disconnect(experimentsDetails.ConnectedInfraID)
157-
// Use Expect directly due to dot import for Gomega
158173
Expect(errDisconnect).To(BeNil(), "Failed to disconnect infra %s via SDK, due to {%v}", experimentsDetails.ConnectedInfraID, errDisconnect)
159174
if errDisconnect == nil {
160175
klog.Infof("Successfully disconnected infrastructure: %s", experimentsDetails.ConnectedInfraID)
161176
}
162-
} else if experimentsDetails.ConnectInfraFlag {
163-
klog.Info("[CleanUp]: ConnectInfraFlag was set but no connected infra ID found, skipping SDK disconnection.")
177+
} else {
178+
klog.Info("[CleanUp]: No connected infra ID found, skipping SDK disconnection.")
164179
}
165180
})
166181
})
167182
})
183+
184+
// Helper function to construct the experiment request
185+
// FIXME: This needs a proper implementation to generate the correct manifest YAML
186+
// based on experimentDetails for pod-delete.
187+
func ConstructPodDeleteExperimentRequest(details *types.ExperimentDetails, experimentID string) (*models.SaveChaosExperimentRequest, error) {
188+
klog.Infof("Constructing experiment request for %s with ID %s", details.ExperimentName, experimentID)
189+
190+
// Placeholder manifest definition - Attempting single line definition for linter
191+
const manifestYAML = `apiVersion: litmuschaos.io/v1alpha1\nkind: ChaosExperiment\nmetadata:\n name: %s\n namespace: %s\nspec:\n steps:\n - name: delete-pods\n definition:\n chaos:\n fault: pod-delete\n mode: "" # FIXME: Determine mode\n selector:\n namespaces:\n - "%s"\n labelSelectors:\n "%s"\n # FIXME: Inject other pod-delete fields\n probes: [] # FIXME: Add probes\n`
192+
193+
// Basic formatting - NEEDS PROPER POPULATION FROM 'details'
194+
formattedManifest := fmt.Sprintf(manifestYAML,
195+
details.ExperimentName, // metadata.name
196+
details.ChaosNamespace, // metadata.namespace
197+
details.AppNS,
198+
details.AppLabel,
199+
)
200+
201+
// Validate and clean up the YAML structure
202+
var manifestInterface interface{}
203+
errYaml := yaml.Unmarshal([]byte(formattedManifest), &manifestInterface)
204+
if errYaml != nil {
205+
klog.Errorf("Error unmarshalling constructed manifest: %v", errYaml)
206+
return nil, fmt.Errorf("failed to unmarshal constructed manifest: %w", errYaml)
207+
}
208+
finalManifestBytes, errYamlMarshal := yaml.Marshal(manifestInterface)
209+
if errYamlMarshal != nil {
210+
klog.Errorf("Error marshalling final manifest: %v", errYamlMarshal)
211+
return nil, fmt.Errorf("failed to marshal final manifest: %w", errYamlMarshal)
212+
}
213+
finalManifestString := string(finalManifestBytes)
214+
klog.Infof("Constructed Manifest: %s", finalManifestString)
215+
216+
request := &models.SaveChaosExperimentRequest{
217+
ID: experimentID,
218+
Name: details.ExperimentName,
219+
Description: fmt.Sprintf("CI/CD Triggered Chaos Experiment: %s", details.ExperimentName),
220+
Tags: []string{"chaos-ci-lib", details.ExperimentName},
221+
InfraID: details.ConnectedInfraID,
222+
Manifest: finalManifestString,
223+
}
224+
return request, nil
225+
}
226+

‎go.mod

+1
Original file line numberDiff line numberDiff line change
@@ -40,6 +40,7 @@ require (
4040
github.com/golang/protobuf v1.5.4 // indirect
4141
github.com/google/go-cmp v0.6.0 // indirect
4242
github.com/google/gofuzz v1.2.0 // indirect
43+
github.com/google/uuid v1.6.0 // indirect
4344
github.com/googleapis/gnostic v0.5.5 // indirect
4445
github.com/imdario/mergo v0.3.9 // indirect
4546
github.com/josharian/intern v1.0.0 // indirect

‎go.sum

+2
Original file line numberDiff line numberDiff line change
@@ -428,6 +428,8 @@ github.com/google/shlex v0.0.0-20191202100458-e7afc7fbc510/go.mod h1:pupxD2MaaD3
428428
github.com/google/uuid v1.0.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
429429
github.com/google/uuid v1.1.1/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
430430
github.com/google/uuid v1.1.2/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
431+
github.com/google/uuid v1.6.0 h1:NIvaJDMOsjHA8n1jAhLSgzrAzy1Hgr+hNrb57e+94F0=
432+
github.com/google/uuid v1.6.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
431433
github.com/googleapis/gax-go/v2 v2.0.4/go.mod h1:0Wqv26UfaUD9n4G6kQubkQ+KchISgw+vpHVxEJEs9eg=
432434
github.com/googleapis/gnostic v0.3.1 h1:WeAefnSUHlBb0iJKwxFDZdbfGwkd7xRNuV+IpXMJhYk=
433435
github.com/googleapis/gnostic v0.3.1/go.mod h1:on+2t9HRStVgn95RSsFWFz+6Q0Snyqv1awfrALZdbtU=

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