boot

#!/bin/bash
#
# This script is designed to be run inside the container
#

# fail hard and fast even on pipelines
set -eo pipefail

# check for required variables
: ${PUBLIC_IP:?"PUBLIC_IP environment variable required"}
export PUBLIC_IP=$PUBLIC_IP

# set etcd variable defaults
export ETCD_PORT=${ETCD_PORT:-4001}
export ETCD_PEER_PORT=${ETCD_PEER_PORT:-7001}
export ETCD_NODE_NAME=${ETCD_NODE_NAME:-$(hostname)}

# spawn the service in the background
$(dirname ${BASH_SOURCE[0]})/start &
SERVICE_PID=$!

# smart shutdown on SIGINT and SIGTERM
function on_exit() {
	kill -TERM $SERVICE_PID
	wait $SERVICE_PID 2>/dev/null
}
trap on_exit INT TERM

# wait for the service to become available
HOST=${HOST:-localhost}
PORT=${PORT:-4001}
PROTO=${PROTO:-tcp}
sleep 1 && while ! $(netstat -lnt | awk "\$6 == \"LISTEN\" && \$4 ~ \".$PORT\" && \$1 ~ \"$PROTO.\"" >/dev/null) ; do sleep 1; done

wait