#!/bin/bash -e

source lib/functions.sh

exitIfNotRoot

if [ $# -eq 0 ]; then
    log "ERROR" "Please provide a Project as argument"
    exit 1
fi

if [ $1 != "ccp" ] && [ $1 != "nngm" ] && [ $1 != "gbn" ]; then
    log "ERROR" "Please provide a supported project like ccp, gbn or nngm"
    exit 1
fi

export PROJECT=$1

checkRequirements

log "INFO" "Allowing the bridgehead user to start/stop the bridgehead."

cat <<EOF > /etc/sudoers.d/bridgehead-"${PROJECT}"
# This has been added by the Bridgehead installer. Remove with bridgehead uninstall.
Cmnd_Alias BRIDGEHEAD${PROJECT} = \\
    /bin/systemctl start   bridgehead@${PROJECT}.service, \\
    /bin/systemctl stop    bridgehead@${PROJECT}.service, \\
    /bin/systemctl restart bridgehead@${PROJECT}.service

bridgehead ALL= NOPASSWD: BRIDGEHEAD${PROJECT}
EOF

log "INFO" "Register system units for bridgehead and bridgehead-update"
cp -v \
    lib/systemd/bridgehead\@.service \
    lib/systemd/bridgehead-update\@.service \
    lib/systemd/bridgehead-update\@.timer \
    /etc/systemd/system/

systemctl daemon-reload

log INFO "Trying to update your bridgehead ..."

systemctl start bridgehead-update@"${PROJECT}".service

log "INFO" "Enabling autostart of bridgehead@${PROJECT}.service"
systemctl enable bridgehead@"${PROJECT}".service

log "INFO" "Enabling auto-updates for bridgehead@${PROJECT}.service ..."
systemctl enable --now bridgehead-update@"${PROJECT}".timer

log "INFO" "\nSuccess - now start your bridgehead by running\n            systemctl start bridgehead@${PROJECT}.service\n          or by rebooting your machine."