Homelabv4/scripts/network-benchmark.yaml

---
# iperf3 server on node-41
apiVersion: v1
kind: Pod
metadata:
  name: iperf3-server
  namespace: default
  labels:
    app: iperf3-server
spec:
  nodeSelector:
    kubernetes.io/hostname: talos-node-41
  containers:
  - name: iperf3
    image: networkstatic/iperf3:latest
    command: ["iperf3"]
    args: ["-s"]
    ports:
    - containerPort: 5201
      protocol: TCP
    securityContext:
      allowPrivilegeEscalation: false
      capabilities:
        drop:
          - ALL
      runAsNonRoot: true
      runAsUser: 1000
  securityContext:
    runAsNonRoot: true
    runAsUser: 1000
    seccompProfile:
      type: RuntimeDefault
---
# iperf3 server service
apiVersion: v1
kind: Service
metadata:
  name: iperf3-server
  namespace: default
spec:
  selector:
    app: iperf3-server
  ports:
  - protocol: TCP
    port: 5201
    targetPort: 5201
  type: ClusterIP
---
# iperf3 client on node-42
apiVersion: v1
kind: Pod
metadata:
  name: iperf3-client-node42
  namespace: default
  labels:
    app: iperf3-client
    test: node42
spec:
  nodeSelector:
    kubernetes.io/hostname: talos-node-42
  restartPolicy: Never
  containers:
  - name: iperf3
    image: networkstatic/iperf3:latest
    command: ["/bin/sh"]
    args:
      - -c
      - |
        echo "Waiting for iperf3 server to be ready..."
        sleep 5
        echo ""
        echo "=========================================="
        echo "Network Speed Test: node-42 → node-41"
        echo "=========================================="
        echo ""
        echo "Test 1: TCP Bandwidth (10 seconds)"
        iperf3 -c iperf3-server -t 10 -P 4
        echo ""
        echo "=========================================="
        echo ""
        echo "Test 2: TCP Bandwidth with larger window (10 seconds)"
        iperf3 -c iperf3-server -t 10 -P 4 -w 256K
        echo ""
        echo "=========================================="
        echo "Test Complete!"
        echo "=========================================="
        sleep 60
    securityContext:
      allowPrivilegeEscalation: false
      capabilities:
        drop:
          - ALL
      runAsNonRoot: true
      runAsUser: 1000
  securityContext:
    runAsNonRoot: true
    runAsUser: 1000
    seccompProfile:
      type: RuntimeDefault
---
# iperf3 client on node-43
apiVersion: v1
kind: Pod
metadata:
  name: iperf3-client-node43
  namespace: default
  labels:
    app: iperf3-client
    test: node43
spec:
  nodeSelector:
    kubernetes.io/hostname: talos-node-43
  restartPolicy: Never
  containers:
  - name: iperf3
    image: networkstatic/iperf3:latest
    command: ["/bin/sh"]
    args:
      - -c
      - |
        echo "Waiting for iperf3 server to be ready..."
        sleep 5
        echo ""
        echo "=========================================="
        echo "Network Speed Test: node-43 → node-41"
        echo "=========================================="
        echo ""
        echo "Test 1: TCP Bandwidth (10 seconds)"
        iperf3 -c iperf3-server -t 10 -P 4
        echo ""
        echo "=========================================="
        echo ""
        echo "Test 2: TCP Bandwidth with larger window (10 seconds)"
        iperf3 -c iperf3-server -t 10 -P 4 -w 256K
        echo ""
        echo "=========================================="
        echo "Test Complete!"
        echo "=========================================="
        sleep 60
    securityContext:
      allowPrivilegeEscalation: false
      capabilities:
        drop:
          - ALL
      runAsNonRoot: true
      runAsUser: 1000
  securityContext:
    runAsNonRoot: true
    runAsUser: 1000
    seccompProfile:
      type: RuntimeDefault
---
# iperf3 client on node-44
apiVersion: v1
kind: Pod
metadata:
  name: iperf3-client-node44
  namespace: default
  labels:
    app: iperf3-client
    test: node44
spec:
  nodeSelector:
    kubernetes.io/hostname: talos-node-44
  restartPolicy: Never
  containers:
  - name: iperf3
    image: networkstatic/iperf3:latest
    command: ["/bin/sh"]
    args:
      - -c
      - |
        echo "Waiting for iperf3 server to be ready..."
        sleep 5
        echo ""
        echo "=========================================="
        echo "Network Speed Test: node-44 → node-41"
        echo "=========================================="
        echo ""
        echo "Test 1: TCP Bandwidth (10 seconds)"
        iperf3 -c iperf3-server -t 10 -P 4
        echo ""
        echo "=========================================="
        echo ""
        echo "Test 2: TCP Bandwidth with larger window (10 seconds)"
        iperf3 -c iperf3-server -t 10 -P 4 -w 256K
        echo ""
        echo "=========================================="
        echo "Test Complete!"
        echo "=========================================="
        sleep 60
    securityContext:
      allowPrivilegeEscalation: false
      capabilities:
        drop:
          - ALL
      runAsNonRoot: true
      runAsUser: 1000
  securityContext:
    runAsNonRoot: true
    runAsUser: 1000
    seccompProfile:
      type: RuntimeDefault