Gitlab Runner service

gitlab-runner@.service

[Unit]
Description=GitLab Runner

[Service]
ExecStartPre=-/usr/bin/docker rm gitlab-runner-%i
ExecStartPre=-/usr/bin/docker pull gitlab/gitlab-runner:latest
ExecStart=/usr/bin/docker run --name gitlab-runner-%i \
                              -v /var/run/docker.sock:/var/run/docker.sock \
                              gitlab/gitlab-runner:latest
ExecStartPost=/opt/bin/runner-register.sh %i
ExecStop=/opt/bin/runner-unregister.sh %i
Restart=always
RestartSec=5

[Install]
WantedBy=multi-user.target

runner-register.sh

#!/bin/bash

set -e

DOCKER_VERSION=$(docker -v | awk '{print $3}' | sed -e 's/,//g')
HOST="<GITLAB-HOST>"
IMAGE=docker:${DOCKER_VERSION}
TOKEN="<RUNNER-TOKEN>"
RUNNER_ID=$1
DESCRIPTION="Docker - ${RUNNER_ID}"

echo "Sleeping for 5 seconds before registering runner"
sleep 5

echo "Docker version = ${DOCKER_VERSION}"

/usr/bin/docker exec gitlab-runner-${RUNNER_ID} gitlab-runner register -n --url "${HOST}"  --registration-token "${TOKEN}"  --description "${DESCRIPTION}"  --executor "docker"  --docker-image "${IMAGE}" --docker-volumes /var/run/docker.sock:/var/run/docker.sock --docker-host unix:///var/run/docker.sock --env DOCKER_VERSION=${DOCKER_VERSION}

runner-unregister.sh

#!/bin/bash

set -e

RUNNER_ID=$1
DESCRIPTION="Docker - ${RUNNER_ID}"

/usr/bin/docker exec gitlab-runner-${RUNNER_ID} gitlab-runner unregister --name "${DESCRIPTION}"

/usr/bin/docker stop gitlab-runner-${RUNNER_ID}