#!/sbin/runscript

name="GitLab CI Multi Runner"
description="GitLab CI Multi Runner, starts runners in the background"

: ${gitlab_ci_runner_user:=@USER@}
: ${gitlab_ci_runner_base:="@GITLAB_CI_RUNNER_BASE@"}
: ${gitlab_ci_runner_pidfile_base:="@RUN_DIR@/gitlab-ci-runner.pid"}
: ${gitlab_ci_runner_logfile:="@LOGS_DIR@/gitlab-ci-runner.log"}
: ${gitlab_ci_runner_num:=1} # number of runners to spawn

bundle_command="/usr/bin/bundle"
bundle_command_args="exec ./bin/runner"

depend() {
	provide gitlab-ci-multi-runner
}

start() {
	ebegin "Starting ${name}"

	for (( i=1; i<=${gitlab_ci_runner_num}; i++ )) ; do
		einfo "Starting runner ${i} of ${gitlab_ci_runner_num} ..."
		local pidfile="${gitlab_ci_runner_pidfile_base}${i}"
		checkpath -d -o ${gitlab_ci_runner_user} -m755 "$(dirname "${pidfile}")"
		start-stop-daemon --start \
			--chdir "${gitlab_ci_runner_base}" \
			--user=${gitlab_ci_runner_user} \
			--make-pidfile \
			--pidfile="${pidfile}" \
			--background \
			--exec /bin/bash -- -c "exec ${bundle_command} ${bundle_command_args} >> ${gitlab_ci_runner_logfile} 2>&1"
		local success=$?
		if [ ${success}!=0 ] ; then
			eend ${success}
		fi
	done

	eend 0
}

stop() {
	ebegin "Stopping ${name}"

	for (( i=1; i<=${gitlab_ci_runner_num}; i++ )) ; do
		einfo "Stopping runner ${i} of ${gitlab_ci_runner_num} ..."
		local pidfile="${gitlab_ci_runner_pidfile_base}${i}"
		start-stop-daemon --stop \
			--pidfile="${pidfile}"
# DO WE NEED --exec? or --startas???
		local success=$?
		if [ ${success}!=0 ] ; then
			eend ${success}
		fi
	done

	eend 0
}