#!/bin/bash
#
# Copyright 2018 AT&T Intellectual Property.  All other rights reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

###############################################################################
#                                                                             #
# Set up and deploy a Airship environment for development/testing purposes.   #
# Many of the defaults and sources used here are NOT production ready, and    #
# this should not be used as a copy/paste source for any production use.      #
#                                                                             #
###############################################################################

echo "Welcome to Airship in a Bottle"
echo " /--------------------\\"
echo "|                      \\"
echo "|        |---|          \\----"
echo "|        | x |                \\"
echo "|        |---|                 |"
echo "|          |                  /"
echo "|     \____|____/       /----"
echo "|                      /"
echo " \--------------------/"
sleep 1
echo ""
echo "The minimum recommended size of the VM is 4 vCPUs, 16GB of RAM with 64GB disk space."
sleep 1
echo "Let's collect some information about your VM to get started."
sleep 1

# IP and Hostname setup
HOST_IFACE=$(ip route | grep "^default" | head -1 | awk '{ print $5 }')
read -p "Is your HOST IFACE $HOST_IFACE? (y/n) " YN_HI
if [ "$YN_HI" != "y" ]; then
  read -p "What is your HOST IFACE? " HOST_IFACE
fi

LOCAL_IP=$(ip addr | awk "/inet/ && /${HOST_IFACE}/{sub(/\/.*$/,\"\",\$2); print \$2}")
read -p "Is your LOCAL IP $LOCAL_IP? (y/n) " YN_IP
if [ "$YN_IP" != "y" ]; then
  read -p "What is your LOCAL IP? " LOCAL_IP
fi

# Updates the /etc/hosts file
HOSTS="${LOCAL_IP} ${HOSTNAME}"
HOSTS_REGEX="${LOCAL_IP}.*${HOSTNAME}"
if grep -q "$HOSTS_REGEX" "/etc/hosts"; then
  echo "Not updating /etc/hosts, entry ${HOSTS} already exists."
else
  echo "Updating /etc/hosts with: ${HOSTS}"
  cat << EOF | sudo tee -a /etc/hosts
$HOSTS
EOF
fi

# x/32 will work for CEPH in a single node deploy.
CIDR="$LOCAL_IP/32"

# Variable setup
set -x
# The IP address of the genesis node
export HOSTIP=$LOCAL_IP
# The CIDR of the network for the genesis node
export HOSTCIDR=$CIDR
# The network interface on the genesis node
export NODE_NET_IFACE=$HOST_IFACE

export TARGET_SITE="dev"
set +x

echo ""
echo "Starting Airship deployment..."
sleep 1
./deploy-airship.sh