entrypoint

#!/usr/bin/env bash

if [ -z "$CI_SERVER_URL" ]; then
  echo "ERROR: Env CI_SERVER_URL not set!"
  exit 1
fi

if [ -z "$REGISTRATION_TOKEN" ]; then
  echo "ERROR: Env REGISTRATION_TOKEN not set!"
  exit 1
fi

if [ "$PRIVILIGED_MODE" -ne "true" ]; then
  PRIVILIGED_MODE="false"
fi

# gitlab-ci-multi-runner data directory
DATA_DIR="/etc/gitlab-runner"
CONFIG_FILE=${CONFIG_FILE:-$DATA_DIR/config.toml}
# custom certificate authority path
CA_CERTIFICATES_PATH=${CA_CERTIFICATES_PATH:-$DATA_DIR/certs/ca.crt}
LOCAL_CA_PATH="/usr/local/share/ca-certificates/ca.crt"

update_ca() {
  echo "Updating CA certificates..."
  cp "${CA_CERTIFICATES_PATH}" "${LOCAL_CA_PATH}"
  update-ca-certificates --fresh >/dev/null
}

if [ -f "${CA_CERTIFICATES_PATH}" ]; then
  # update the ca if the custom ca is different than the current
  cmp --silent "${CA_CERTIFICATES_PATH}" "${LOCAL_CA_PATH}" || update_ca
fi

echo "===> Start Docker..."
service docker start

echo "===> Trap SIGTERM to terminate Gitlab Runner..."
trap "gitlab-runner stop" SIGTERM

echo "===> Running gitlab-runner register..."
export REGISTER_NON_INTERACTIVE=true
export RUNNER_NAME="$HOSTNAME"
gitlab-runner register --executor=docker --docker-image docker:latest  --docker-privileged=$PRIVILIGED_MODE --docker-volumes /var/run/docker.sock:/var/run/docker.sock
if [ $? -gt 0 ]; then
  echo "===> ERROR: Registration failed!"
  exit 1
fi

echo "===> Current version of gitlab-runner:"
gitlab-runner --version

echo "===> Running gitlab-runner run..."
gitlab-runner run

echo "===> Stopping and unregistering..."
gitlab-runner unregister --name "$RUNNER_NAME"