Harinath120

3 Virtual Machines Kubernetes cluster

Dependencies

You should install VirtualBox and Vagrant before you start.

Creating the cluster

You should create a Vagrantfile in an empty directory with the following content:

Harinath120

version: "2"
services:
  elasticsearch:
    image: elasticsearch:6.4.2
    container_name: elasticsearch
    ports:
    - 9200:9200
    - 9300:9300
    volumes:
    - ./esdata/:/usr/share/elasticsearch/data

Harinath120

#!/bin/bash
# This script should be located on each Jenkins slave, and the jenkins user should have permission to run it with sudo

# Attempts to cleanly stop and remove all containers, volumes and images.
docker ps -q | xargs --no-run-if-empty docker stop
docker ps -q -a | xargs --no-run-if-empty docker rm --force --volumes
docker volume ls -q | xargs --no-run-if-empty docker volume rm
docker images -a -q | xargs --no-run-if-empty docker rmi -f

# Stops the docker service, unmounts all docker-related mounts, removes the entire docker directory, and starts docker again.

Harinath120

#!/bin/bash

set -o errexit

echo "Removing exited docker containers..."
docker ps -a -f status=exited -q | xargs -r docker rm -v

echo "Removing dangling images..."
docker images --no-trunc -q -f dangling=true | xargs -r docker rmi