How to conduct Chaos Engineering in Kubernetes with Litmus?

Question

Accepted Answer

**Litmus** — A CNCF framework for Chaos Engineering in Kubernetes.

**Installation:**
```bash
helm repo add litmuschaos https://litmuschaos.github.io/litmus-helm
helm install litmus litmuschaos/litmus --namespace litmus --create-namespace
```

**Pod Kill:**
```yaml
apiVersion: litmuschaos.io/v1alpha1
kind: ChaosEngine
metadata:
  name: pod-kill
spec:
  experiments:
    - name: pod-delete
      spec:
        components:
          env:
            - name: TOTAL_CHAOS_DURATION
              value: "30"
            - name: CHAOS_INTERVAL
              value: "10"
```

**Network Latency:**
```yaml
apiVersion: litmuschaos.io/v1alpha1
kind: ChaosEngine
metadata:
  name: network-chaos
spec:
  experiments:
    - name: pod-network-latency
      spec:
        components:
          env:
            - name: NETWORK_LATENCY
              value: "200"
            - name: TOTAL_CHAOS_DURATION
              value: "120"
```

**CPU Stress:**
```yaml
apiVersion: litmuschaos.io/v1alpha1
kind: ChaosEngine
metadata:
  name: cpu-stress
spec:
  experiments:
    - name: pod-cpu-hog
      spec:
        components:
          env:
            - name: CPU_CORES
              value: "2"
            - name: TOTAL_CHAOS_DURATION
              value: "60"
```

**Chaos Mesh vs Litmus:** Chaos Mesh is lighter. Litmus has a UI portal.

DevOps: How to conduct Chaos Engineering in Kubernetes with Litmus?