Kubernetes benchmarking with iperf

iperf-test.yaml

# rate(mikrotik_interface_received_bytes_total{interface=~"bond.*"}[1m])
---
apiVersion: apps/v1
kind: DaemonSet
metadata:
  name: iperf-server
  labels:
    app: iperf-server
spec:
  selector:
    matchLabels:
      app: iperf-server
  template:
    metadata:
      labels:
        app: iperf-server
    spec:
      affinity:
        nodeAffinity:
          requiredDuringSchedulingIgnoredDuringExecution:
            nodeSelectorTerms:
              - matchExpressions:
                  - key: kubernetes.io/os
                    operator: In
                    values:
                      - linux
      containers:
        - name: iperf
          image: codemowers/util
          imagePullPolicy: IfNotPresent
          args:
            - iperf
            - -s
          ports:
            - containerPort: 5201
---
apiVersion: v1
kind: Service
metadata:
  name: iperf-server
  labels:
    app: iperf-server
spec:
  clusterIP: None
  selector:
    app: iperf-server
  ports:
  - protocol: TCP
    port: 5201
    targetPort: 5201
---
apiVersion: batch/v1
kind: Job
metadata:
  name: iperf-client
  labels:
    app: iperf-client
spec:
  parallelism: 100
  backoffLimit: 100
  template:
    metadata:
      labels:
        app: iperf-client
    spec:
      restartPolicy: OnFailure
      topologySpreadConstraints:
        - maxSkew: 1
          topologyKey: kubernetes.io/hostname
          whenUnsatisfiable: ScheduleAnyway
          labelSelector:
            matchLabels:
              app: iperf-client
      containers:
        - name: iperf-client
          image: codemowers/util
          imagePullPolicy: IfNotPresent
          args:
            - iperf
            - -c
            - iperf-server
            - -P
            - "2"
            - -t
            - "600"