deploy.sh

#!/bin/sh

set -o nounset
set -o errexit

usage(){
  echo "Usage: $0 X.Y.Z dev|test|staging|prod"
  echo ""
  echo "example:  ./deploy.sh 1.1.3 prod"
  echo "example:  ./deploy.sh 1.2.0 dev"
}

ADDRESS="INVALID_ADDRESS"

if [ $# -lt 2 ]
then
  echo "not enough arguments supplied"
  usage
  exit 1
elif [ $# -gt 2 ]
then
  echo "too many arguments supplied"
  usage
  exit 2
fi

SERVER_ENV=$2

case $SERVER_ENV in
	help | -h | --help)
		usage
		exit 0
		;;
	dev)
		ADDRESS="USER@DEV.YOURINSTANCE.COM"
		;;
	test)
		ADDRESS="USER@TEST.YOURINSTANCE.COM"
		;;
	staging)
		ADDRESS="USER@STAGING.YOURINSTANCE.COM"
		;;
	prod)
		ADDRESS="USER@YOURINSTANCE.COM"
		;;
	*)
		echo "ERROR: unknown server environment \"$SERVER_ENV\""
		usage
		exit 3
		;;
esac

VERSION=$1
SRC_DIR="_staging/my_app-${VERSION}/."

# service files stuff
echo "******************"
echo "SETUP SERVICE FILE"

rsync -zarv \
--include="myapp.service" \
--exclude="*" \
"." "$ADDRESS:/home/USER"

ssh $ADDRESS "cp /home/USER/myapp.service /etc/systemd/system/myapp.service && systemctl daemon-reload && systemctl enable myapp.service"

# stop the process
echo "******************"
echo "STOP SERVER"
ssh $ADDRESS systemctl stop myapp.service


# copy files over
echo "******************"
echo "RSYNC RELEASE"

ssh $ADDRESS mkdir -p /home/USER/myapp

rsync -az --progress --delete --exclude=.DS_Store _staging/my_app-${VERSION}/. $ADDRESS:/home/USER/myapp/.

ssh $ADDRESS chown USER -R /home/USER/myapp
ssh $ADDRESS chgrp USER -R /home/USER/myapp

# migrate
echo "******************"
echo "MIGRATE DB"
ssh $ADDRESS /home/USER/myapp/bin/my_app eval "MyApp.Release.migrate"


# start the process
echo "******************"
echo "RESTART SERVER"
ssh $ADDRESS systemctl start myapp.service