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#!/bin/bash

# create a circus network containing most of the containers making interaction
# on a network layer in between the containers possible
docker network create circus 2> /dev/zero

# create a network containing the database storing the challenges making it
# possible that containers in the same network can interact with the database
docker network create circus_db 2> /dev/zero

echo "Welcome to the circus-setup tool!"
echo "Please make sure you have the following services/tools installed before continuing:"
echo "- docker (with a running docker-server)"
echo "- docker-compose"
echo "- htpasswd (apache2-utils)"

#
# General confiuration
#

# get a hostname and a ctfname from the user
read -e -p "HOSTNAME: " -i "ctf.flexerilla.team" HOSTNAME
read -e -p "CTFNAME: " -i "FlexCTF" CTFNAME

# Write the vars to the .env file
echo "HOSTNAME=$HOSTNAME" > .env
echo "CTFNAME=$CTFNAME" >> .env

#
# Traefik configuration
#

# Read Traefik creds from the user
read -e -p "Traefik username: " -i "traefik" TRAEFIK_USER
read -e -p "Traefik password: " -i "secret" TRAEFIK_PASSWORD

# Create the traefik creds string (user:pass)
TRAEFIK_CREDS=$(htpasswd -nb $TRAEFIK_USER $TRAEFIK_PASSWORD)

# Write the creds to the traefik users file
echo "$TRAEFIK_CREDS" >> traefik_users

#
# Grafana configuration
#

# Grafana settings
read -e -p "Grafana server: " -i "https://grafana.$HOSTNAME:3000" GF_SERVER_ROOT_URL
read -e -p "Grafana admin pwd: " -i "secret" GF_SECURITY_ADMIN_PASSWORD

# Write the Grafana settings into the grafana.env file
echo "GF_SERVER_ROOT_URL=$GF_SERVER_ROOT_URL" > grafana.env
echo "GF_SECURITY_ADMIN_PASSWORD=$GF_SECURITY_ADMIN_PASSWORD" >> grafana.env

#
# Pull images from the darknebu.la registry
#

echo "Login to the darknebu.la registry to pull the images:"
docker login registry.darknebu.la

# pull some docker images needed from the darknebu.la registry such as the
# companion container and the vpn container
echo "Pulling docker images needed..."
docker pull registry.darknebu.la/circus/companion:latest
docker pull registry.darknebu.la/circus/vpn:latest

#
# Start the docker-compose
#

# Ask if the circus should be started
read -p "Do you want to start the circus now? (y/n) " -n 1 -r
echo # (optional) move to a new line
if [[ ! $REPLY =~ ^[Yy]$  ]]
then
        exit 1
fi

# start the docker-compose
docker-compose -f $(pwd)/docker-compose.yml up -d