raspiblitz/home.admin/config.scripts/lnd.setname.sh

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#!/bin/bash
# command info
if [ "$1" = "-h" ] || [ "$1" = "-help" ]; then
echo "small config script to set a alias of LND (and hostname of raspi)"
echo "lnd.setname.sh [mainnet|testnet|signet] [?newName] [?forceHostname]"
exit 1
fi
# 1. parameter [?newName]
newName=$2
source <(/home/admin/config.scripts/network.aliases.sh getvars lnd $1)
function setting() # FILE LINENUMBER NAME VALUE
{
FILE=$1
LINENUMBER=$2
NAME=$3
VALUE=$4
settingExists=$(cat ${FILE} | grep -c "^${NAME}=")
echo "# setting ${FILE} ${LINENUMBER} ${NAME} ${VALUE}"
echo "# ${NAME} exists->(${settingExists})"
if [ "${settingExists}" == "0" ]; then
echo "# adding setting (${NAME})"
sudo -u bitcoin sed -i "${LINENUMBER}i${NAME}=" ${FILE}
fi
echo "# updating setting (${NAME}) with value(${VALUE})"
sudo -u bitcoin sed -i "s/^${NAME}=.*/${NAME}=${VALUE}/g" ${FILE}
}
# run interactive if 'turn on' && no further parameters
if [ ${#newName} -eq 0 ]; then
sudo rm ./.tmp
dialog --backtitle "Set LND Name/Alias" --inputbox "ENTER the new Name/Alias for LND node:
(free to choose, one word, use basic characters)
" 8 52 2>./.tmp
newName=$( cat ./.tmp | tr -dc '[:alnum:]\n\r' )
if [ ${#newName} -eq 0 ]; then
echo "FAIL input cannot be empty"
exit 1
fi
fi
# check if lnd config file exists
configExists=$(ls ${lndConfFile} | grep -c '.conf')
if [ ${configExists} -eq 0 ]; then
echo "FAIL - missing ${lndConfFile}"
exit 1
fi
sectionLine=$(cat ${lndConfFile} | grep -n "^\[Application Options\]" | cut -d ":" -f1)
echo "# sectionLine(${sectionLine})"
insertLine=$(expr $sectionLine + 1)
# lnd.conf: change name
setting ${lndConfFile} ${insertLine} "alias" "${newName}"
# raspiblitz.conf: change name
/home/admin/config.scripts/blitz.conf.sh set hostname "${newName}"
# set name in local network just if forced (not anymore by default)
# see https://github.com/rootzoll/raspiblitz/issues/819
if [ "$3" = "alsoNetwork" ]; then
# OS: change hostname
sudo raspi-config nonint do_hostname ${newName}
/home/admin/config.scripts/blitz.conf.sh set setnetworkname "1"
else
/home/admin/config.scripts/blitz.conf.sh set setnetworkname "0"
fi
#TODO - no need for full reboot only unlock LND
#if [ $# -lt 3 ];then
# source <(/home/admin/_cache.sh get state)
# if [ "${state}" == "ready" ]; then
# sudo systemctl start ${netprefix}lnd
# # signal 1 to not reboot
# exit 1
# fi
#fi
echo
echo "# To activate the new alias:"
echo "# reboot or restart the lnd.service and unlock with:"
echo "'sudo systemctl restart lnd && lncli unlock'"
echo "# Either way it can take hours for the gossip to propagate."
exit 0