verifications

Documentation

Index

• Constants
• Variables
• func CreateVerificationsFromObjective(objective *entities.Objective) ([]*verificationTypes.Verification, error)
• func CreateVerificationtFromObjectives(ents []entities.Entity) ([]entities.Entity, error)
• func GetExperimentForObjectives(objectives []*entities.Objective) (*types.Experiment, error)
• func GetExperimentsForObjective(objective *entities.Objective) ([]types.Experiment, error)
• func RandomString(l int) (string, error)

Constants

const (
	PodObjective        string = "objective-kubernetes-pod"
	DeploymentObjective string = "objective-kubernetes-deployment"
	ServiceObjective    string = "objective-kubernetes-service"
)

Variables

var TypeToMethod = map[string][]types.Experiment{
	PodObjective: {
		types.Experiment{
			Title:       "",
			Description: "Terminate one pod at random in the pool. Helps determining if we have enough replicas to handle the recover yof a single pod.",
			Controls:    nil,
			SteadyStateHypothesis: types.ExperimentSteadyStateHypothesis{
				Title: "We expect pod terminating has not impacted our objective",
			},
			Method: []types.ExperimentActivity{
				{
					Type: "action",
					Name: "Terminating a Random Pod",
					Provider: map[string]interface{}{
						"type":   "python",
						"module": "chaosk8s.pod.actions",
						"func":   "terminate_pods",
						"arguments": map[string]string{
							"label_selector": "",
							"ns":             "default",
						},
						"pauses": map[string]int{
							"after": 30,
						},
					},
				},
			},
			Rollbacks: []types.ExperimentActivity{},
		},
	},
	DeploymentObjective: {
		types.Experiment{
			Title:       "",
			Description: "Deployment can recovers from losing a replica. Useful to understand how long users get impacted when losing some availability.",
			Controls:    nil,
			SteadyStateHypothesis: types.ExperimentSteadyStateHypothesis{
				Title: "We expect the deployment to self-heal when one of its replica set is gone.",
			},
			Method: []types.ExperimentActivity{
				{
					Type: "action",
					Name: "Deleting replicat set",
					Provider: map[string]interface{}{
						"type":   "python",
						"module": "chaosk8s.replicaset.actions",
						"func":   "delete_replica_set",
						"arguments": map[string]string{
							"label_selector": "",
							"ns":             "default",
						},
					},
					Pauses: map[string]int{
						"after": 10,
					},
				},
				{
					Type: "probe",
					Name: "Probing if all replicas are ready",
					Provider: map[string]interface{}{
						"type":   "python",
						"module": "chaosk8s.deployment.probes",
						"func":   "deployment_available_and_healthy",
						"arguments": map[string]string{
							"name": "",
							"ns":   "default",
						},
					},
				},
			},
			Rollbacks: []types.ExperimentActivity{},
		},
	},
}

Functions

func CreateVerificationsFromObjective

func CreateVerificationsFromObjective(objective *entities.Objective) ([]*verificationTypes.Verification, error)

func CreateVerificationtFromObjectives

func CreateVerificationtFromObjectives(ents []entities.Entity) ([]entities.Entity, error)

func GetExperimentForObjectives

func GetExperimentForObjectives(objectives []*entities.Objective) (*types.Experiment, error)

func GetExperimentsForObjective

func GetExperimentsForObjective(objective *entities.Objective) ([]types.Experiment, error)

func RandomString

func RandomString(l int) (string, error)

from https://stackoverflow.com/a/55860599/1363905