deploy

scripts/install_lnd.sh

@@ -0,0 +1,78 @@
+#!/bin/bash
+
+install_lnd() {
+  if [ "$EUID" -eq 0 ]; then
+    USER_HOME=$(getent passwd ${SUDO_USER} | cut -d: -f6)
+  else
+    USER_HOME=$HOME
+  fi
+
+  LND_VERSION=$(wget -qO- https://api.github.com/repos/lightningnetwork/lnd/releases/latest | grep 'tag_name' | cut -d\" -f4)
+  LND_URL="https://github.com/lightningnetwork/lnd/releases/download/${LND_VERSION}/lnd-${OS}-${ARCH}-${LND_VERSION}.tar.gz"
+
+  # Check if LND is already installed
+  if [ -d "$USER_HOME/lnd" ]; then
+    CURRENT_VERSION=$("$USER_HOME/lnd/lnd" --version | grep -oP 'version \K[^\s]+')
+    if [ "$CURRENT_VERSION" == "${LND_VERSION#v}" ]; then
+      log "${SECONDARY_COLOR}LND${RESET_COLOR} is already up-to-date (version $CURRENT_VERSION)."
+      return
+    else
+      if [ "$SKIP_PROMPT" != true ]; then
+        read -p "LND version $CURRENT_VERSION is installed. Do you want to upgrade to version $LND_VERSION? (y/N): " response
+        case "$response" in
+          [yY][eE][sS]|[yY]) 
+            log "${PRIMARY_COLOR}Upgrading${RESET_COLOR} ${SECONDARY_COLOR}LND${RESET_COLOR} from version $CURRENT_VERSION to $LND_VERSION..."
+            ;;
+          *)
+            log "$(date '+%Y-%m-%d %H:%M:%S') Upgrade cancelled."
+            return
+            ;;
+        esac
+      else
+        log "${PRIMARY_COLOR}Upgrading${RESET_COLOR} ${SECONDARY_COLOR}LND${RESET_COLOR} from version $CURRENT_VERSION to $LND_VERSION..."
+      fi
+    fi
+  fi
+
+  log "${PRIMARY_COLOR}Downloading${RESET_COLOR} ${SECONDARY_COLOR}LND${RESET_COLOR}..."
+
+  # Start the download
+  wget -q $LND_URL -O lnd.tar.gz || {
+    log "${PRIMARY_COLOR}Failed to download LND.${RESET_COLOR}"
+    exit 1
+  }
+
+  # Check if LND is already running and stop it if necessary (Linux)
+  if [ "$OS" = "Linux" ] && [ "$SYSTEMCTL_AVAILABLE" = true ]; then
+    if systemctl is-active --quiet lnd; then
+      log "${PRIMARY_COLOR}Stopping${RESET_COLOR} ${SECONDARY_COLOR}LND${RESET_COLOR} service..."
+      sudo systemctl stop lnd
+    fi
+  else
+    log "${PRIMARY_COLOR}systemctl not found. Please stop ${SECONDARY_COLOR}LND${RESET_COLOR} manually if it is running.${RESET_COLOR}"
+  fi
+
+  tar -xzf lnd.tar.gz -C $USER_HOME > /dev/null || {
+    log "${PRIMARY_COLOR}Failed to extract LND.${RESET_COLOR}"
+    exit 1
+  }
+  rm lnd.tar.gz
+  mv $USER_HOME/lnd-* $USER_HOME/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 > $USER_HOME/.lnd/lnd.conf
+bitcoin.mainnet=true
+bitcoin.node=neutrino
+neutrino.addpeer=neutrino.shock.network
+feeurl=https://nodes.lightning.computer/fees/v1/btc-fee-estimates.json
+EOF
+  fi
+
+  log "${SECONDARY_COLOR}LND${RESET_COLOR} installation and configuration completed."
+}