Pre-requisite:
- AWS EC2 instance - in this case, I have RHEL9 as the base OS (could so work for CentOS)
- GitLab's runner token:
export RUNNER_TOKEN="your-runner-token"- you can get it from your GitLab's project
Steps to set up the runner:
- Create a file:
touch set-up-runner.sh(copy code below to set-up-runner.sh) - Then in the same path of your
set-up-runner.sh, on your terminal, runset +x set-up-runner.sh: this is to set execution permission for your script - Finally, run
./set-up-runner.sh
#!/bin/bash
set -euxo pipefail
#Download and install gitlab-runner
curl -L "https://packages.gitlab.com/install/repositories/runner/gitlab-runner/script.rpm.sh" | sudo bash
sudo yum install -y gitlab-runner
#Add docker repository to RHEL
sudo yum install -y yum-utils
sudo yum-config-manager --add-repo https://download.docker.com/linux/centos/docker-ce.repo
sudo yum makecache
#Check for existing docker, podman before installing docker
sudo yum remove docker \
docker-client \
docker-client-latest \
docker-common \
docker-latest \
docker-latest-logrotate \
docker-logrotate \
docker-engine \
podman \
runc
#Install and enable docker
sudo yum install -y docker-ce docker-ce-cli containerd.io
sudo systemctl enable --now docker
#Register gitlab runner
sudo gitlab-runner register \
--non-interactive \
--url "https://gitlab.com/" \
--registration-token $RUNNER_TOKEN \
--description "gitlab-runner-ec2" \
--executor "docker" \
--docker-image alpine:latest \
--tag-list "container-builds"
#Start service
sudo gitlab-runner start
sudo gitlab-runner verify
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