How to run ES Rally as k8s Job

esrally_job_example.yml

apiVersion: v1
kind: PersistentVolumeClaim
metadata:
  name: rally-benchmarks-volume
spec:
  storageClassName: "standard"
  accessModes:
    - ReadWriteOnce
  resources:
    requests:
      storage: 100Gi
---
apiVersion: batch/v1
kind: Job
metadata:
  name: esrally
  namespace: default
spec:
  template:
    spec:
      securityContext:
        fsGroup: 1000
        runAsUser: 1000
        runAsGroup: 1000
      containers:
      - name: esrally
        image: elastic/rally:latest
        resources:
          requests:
            memory: 1Gi
            cpu: 100m
        command: 
        - sh
        - -c
        - |
          esrally list tracks && sed -i "s;/rally/.rally/benchmarks;/mnt/elastic-internal/rally-benchmarks;g" /rally/.rally/rally.ini;
          CLIENT_OPTIONS="use_ssl:true,verify_certs:false,basic_auth_user:'USER',basic_auth_password:'PASSWORD'"
          esrally race --track=http_logs --track-params=/rally/config/params-file.json  --pipeline=benchmark-only --target-hosts=HOST:PORT --client-options=$CLIENT_OPTIONS
        volumeMounts:
        - name: rally-benchmarks
          mountPath: "/mnt/elastic-internal/rally-benchmarks" 
        - name: rally-params-file
          mountPath: "/rally/config/"        
      volumes:
      - name: rally-benchmarks
        persistentVolumeClaim:
          claimName: rally-benchmarks-volume
      - name: rally-params-file
        configMap:
          name: rally-params-file
      restartPolicy: Never
---
apiVersion: v1
kind: ConfigMap
metadata:
  name: rally-params-file
  namespace: default
data:
  params-file.json: |
    {
      "number_of_replicas": 1,
      "number_of_shards": 3 
    }