experiment.json

{
    "version": "1.0.0",
    "title": "Terminating the greeting service should not impact users",
    "description": "How does this experiment impact your users? Are there errors or does the frontend get slower?",
    "tags": [
        "kubernetes"
    ],
    "configuration": {
        "web_app_url": {
            "type": "env",
            "key": "FRONTEND_URL"
        }
    },
    "steady-state-hypothesis": {
        "title": "Services are all available and healthy",
        "probes": [
            {
                "type": "probe",
                "name": "application-should-be-alive-and-healthy",
                "tolerance": true,
                "provider": {
                    "type": "python",
                    "module": "chaosk8s.pod.probes",
                    "func": "pods_in_phase",
                    "arguments": {
                        "label_selector": "run=frontend",
                        "phase": "Running",
                        "ns": "default"
                    }
                }
            },
            {
                "type": "probe",
                "name": "application-must-respond-normally",
                "tolerance": 200,
                "provider": {
                    "type": "http",
                    "url": "${web_app_url}",
                    "timeout": 3
                }
            }
        ]
    },
    "method": [
        {
            "type": "action",
            "name": "terminate-frontend-service",
            "provider": {
                "type": "python",
                "module": "chaosk8s.pod.actions",
                "func": "terminate_pods",
                "arguments": {
                    "label_selector": "run=frontend",
                    "ns": "default"
                }
            }
        },
        {
            "type": "probe",
            "name": "fetch-application-logs",
            "provider": {
                "type": "python",
                "module": "chaosk8s.pod.probes",
                "func": "read_pod_logs",
                "arguments": {
                    "label_selector": "run=frontend",
                    "last": "30s",
                    "ns": "default"
                }
            }
        }
    ],
    "rollbacks": []
}