Dockerfile

FROM python:3

RUN pip3 install speedtest-cli
ADD run.sh /run.sh
CMD /run.sh

run.sh

#!/bin/bash

set -e

speedtest-cli
echo "--- test complete, sleeping forever ---"
tail -f /dev/null

simple-speedtest.yaml

apiVersion: apps/v1
kind: DaemonSet
metadata:
  name: simple-speedtest
  labels:
    k8s-app: simple-speedtest
spec:
  selector:
    matchLabels:
      name: simple-speedtest
  template:
    metadata:
      labels:
        name: simple-speedtest
    spec:
      containers:
      - name: simple-speedtest
        image: iameli/simple-speedtest
        imagePullPolicy: Always