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handle port conflict

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shocknet-justin 2025-09-25 11:29:37 -04:00
parent cc15d1072c
commit 7bf03c3ab7
3 changed files with 61 additions and 12 deletions
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38
scripts/install_lnd.sh
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@ -89,17 +89,33 @@ install_lnd() {
# Create .lnd directory if it doesn't exist
mkdir -p $USER_HOME/.lnd
# Check if lnd.conf already exists and avoid overwriting it
if [ -f $USER_HOME/.lnd/lnd.conf ]; then
log "${PRIMARY_COLOR}lnd.conf already exists. Skipping creation of new lnd.conf file.${RESET_COLOR}"
else
cat <<EOF > $USER_HOME/.lnd/lnd.conf
bitcoin.mainnet=true
bitcoin.node=neutrino
neutrino.addpeer=neutrino.shock.network
fee.url=https://nodes.lightning.computer/fees/v1/btc-fee-estimates.json
EOF
chmod 600 $USER_HOME/.lnd/lnd.conf
# Ensure lnd.conf exists.
touch $USER_HOME/.lnd/lnd.conf
# Check for and add default settings only if the keys are missing.
grep -q "^bitcoin.mainnet=" $USER_HOME/.lnd/lnd.conf || echo "bitcoin.mainnet=true" >> $USER_HOME/.lnd/lnd.conf
grep -q "^bitcoin.node=" $USER_HOME/.lnd/lnd.conf || echo "bitcoin.node=neutrino" >> $USER_HOME/.lnd/lnd.conf
grep -q "^neutrino.addpeer=" $USER_HOME/.lnd/lnd.conf || echo "neutrino.addpeer=neutrino.shock.network" >> $USER_HOME/.lnd/lnd.conf
grep -q "^fee.url=" $USER_HOME/.lnd/lnd.conf || echo "fee.url=https://nodes.lightning.computer/fees/v1/btc-fee-estimates.json" >> $USER_HOME/.lnd/lnd.conf
chmod 600 $USER_HOME/.lnd/lnd.conf
# Port conflict resolution for fresh installs
if [ $lnd_status -eq 0 ]; then
local lnd_port=9735
if ! is_port_available $lnd_port; then
if ! systemctl --user -q is-active lnd.service >/dev/null 2>&1; then
log "Port $lnd_port is in use by another process. Finding an alternative port."
lnd_port_new=$(find_available_port $lnd_port)
log "Configuring LND to use port $lnd_port_new."
# Remove any existing listen entry and add the new one.
sed -i '/^listen=/d' $USER_HOME/.lnd/lnd.conf
echo "listen=:$lnd_port_new" >> $USER_HOME/.lnd/lnd.conf
else
log "Port $lnd_port is in use, but it seems to be by our own lnd service. No changes made."
fi
fi
fi
log "${SECONDARY_COLOR}LND${RESET_COLOR} installation and configuration completed."