Gitlab CI runner cleanup script

clean-up-generated-droplets

#!/bin/bash

set -euo pipefail

export PATH=$PATH:/usr/local/bin:/usr/local/sbin

echo "*****"
date +%F\ %T

echo "stopping gitlab-runner service..."
systemctl stop gitlab-runner

echo "removing instances..."
DOCKER_INSTANCES=$(docker-machine ls -f "{{.Name}}")
DROPLETS=$(doctl compute droplet list --tag-name auto-generated --format ID | awk '{if(NR>1)print}')

[ -z "${DOCKER_INSTANCES}" ] || docker-machine rm -f ${DOCKER_INSTANCES}
[ -z "${DROPLETS}" ] || doctl compute droplet delete -f ${DROPLETS}

echo "restarting gitlab-runner service..."
systemctl start gitlab-runner