k8s-dnsperf-bench.yaml

---
apiVersion: v1
kind: ConfigMap
metadata:
  name: dns-records-config
  namespace: default
data:
  records.txt: |-
    www.google.com A
    www.amazon.com A
    kubernetes.default.svc.cluster.local A
    kube-dns.kube-system.svc.cluster.local A

---
apiVersion: apps/v1
kind: Deployment
metadata:
  labels:
    app: dnsperf
  name: dnsperf
  namespace: default
spec:
  progressDeadlineSeconds: 600
  replicas: 1
  selector:
    matchLabels:
      app: dnsperf
  template:
    metadata:
      labels:
        app: dnsperf
    spec:
      containers:
      - env:
        # please replace the DNS_SERVER_ADDR/DNS_SERVER_PORT according to the command output
        # - kubectl get -n kube-system svc kube-dns -o go-template='{{.spec.clusterIP}}{{"\n"}}'
        - name: ADDRESS_FAMILY
          value: "any"
        - name: TRANSPORT_MODE
          value: "udp"
        - name: DNS_SERVER_ADDR
          value: "10.100.0.10"
        - name: DNS_SERVER_PORT
          value: "53"
        - name: MAX_CLIENTS
          value: "1"
        - name: MAX_THREADS
          value: "1"
        - name: MAX_TEST_SECONDS
          value: "30"
        - name: TIMEOUT_FOR_QUERY
          value: "5"
        - name: MAX_QPS
          value: "100000"
        image: guessi/dnsperf
        imagePullPolicy: Always
        name: dnsperf
        volumeMounts:
        - mountPath: /opt/
          name: dns-records-volume
          readOnly: true
      dnsPolicy: ClusterFirst
      restartPolicy: Always
      volumes:
      - configMap:
          defaultMode: 420
          name: dns-records-config
        name: dns-records-volume