A script that will allow a docker host to start a guacd system of hosts and initialize the postgres database all in one go

guac.sh

#!/bin/bash

POSTGRES_USER=guac
POSTGRES_PASS=guac
POSTGRES_DB=guac

# create storage for postgres container
NEW_VOLUME=false
if [[ "" == $(docker volume ls | grep guac-postgres-volume) ]]; then
  printf "Creating a new volume for guac-postgres...\n"
  OUTPUT=$(docker volume create --name guac-postgres-volume)
  NEW_VOLUME=true
fi

# start postgres
if [[ "" != $(docker ps -a | grep guac-postgres) ]]; then
  printf "Deleting running guac-postgres container...\n"
  OUTPUT=$(docker rm -f guac-postgres)
fi

printf "Starting guac-postgres...\n"
OUTPUT=$(docker run -d --name guac-postgres -e POSTGRES_PASSWORD="${POSTGRES_PASS}" -e POSTGRES_USER="${POSTGRES_USER}" -e POSTGRES_DB="${POSTGRES_DB}" -v guac-postgres-volume:/var/lib/postgresql/data postgres)

# wait for postgres to start
until [[ "" != $(docker exec -t guac-postgres PGPPASSWORD=$POSTGRES_PASS psql -h guac-postgress -U $POSTGRES_USER -c '\q') ]]; do
  printf "Waiting for guac-postgres port to come alive...\n"
  sleep 1
done


# init db if new volume
if [ true = "${NEW_VOLUME}"  ]; then
  printf "Creating schema in guac-postgres database...\n"
  OUTPUT=$(docker run --rm guacamole/guacamole /opt/guacamole/bin/initdb.sh --postgres > /tmp/initdb.sql)
  OUTPUT=$(docker run --rm -e PGPASSWORD="${POSTGRES_PASS}" -v /tmp:/tmp --link guac-postgres postgres psql -h guac-postgres -U ${POSTGRES_USER} ${POSTGRES_DB} -f /tmp/initdb.sql)
  rm -f initdb.sql

  printf "Reminder: the default username/password is 'guacadmin'\n"
fi

# start guacd container
if [[ "" != $(docker ps -a | grep guacd) ]]; then
  printf "Deleting runnging guacd container...\n"
  OUTPUT=$(docker rm -f guacd)
fi

printf "Starting guacd...\n"
OUTPUT=$(docker run -d --name guacd guacamole/guacd)

# start guac container
if [[ "" != $(docker ps -a | grep guacamole/guacamole) ]]; then
  printf "Deleting running guacamole container...\n"
  OUTPUT=$(docker rm -f guacamole)
fi

printf "Starting guacamole...\n"
OUTPUT=$(docker run --name guacamole --link guacd:guacd --link guac-postgres:postgres -e POSTGRES_DATABASE="${POSTGRES_DB}" -e POSTGRES_USER="${POSTGRES_USER}" -e POSTGRES_PASSWORD="${POSTGRES_PASS}" -d -p 18080:8080 guacamole/guacamole)