#!/bin/sh
set -eu

token_url=${1:?token URL is required}
instance=${2:?Gitea instance is required}
runner_name=${3:?runner name is required}
runner_labels=${4:?runner labels are required}
token_file=/run/gitea-runner-registration-token
config_file=${GITEA_RUNNER_CONFIG_FILE:-/etc/gitea-runner/config-vm-bootstrap.yaml}
export HOME=${HOME:-/root}

cleanup() {
    rm -f -- "$token_file"
    sync
    poweroff -f
}
trap cleanup EXIT INT TERM

umask 077
curl --fail --silent --show-error --retry 10 --retry-all-errors \
    --connect-timeout 2 --max-time 30 "$token_url" >"$token_file"
gitea-runner register \
    --no-interactive \
    --ephemeral \
    --instance "$instance" \
    --name "$runner_name" \
    --labels "$runner_labels" \
    --token-file "$token_file"
rm -f -- "$token_file"
gitea-runner daemon --config "$config_file" --once
echo gitea-runner-job-complete >/dev/ttyS0