NetBird profile switch

nbswitch.sh

#!/bin/bash

# Define color codes
RED='\033[0;31m'
GREEN='\033[0;32m'
YELLOW='\033[0;33m'
BLUE='\033[0;34m'
NC='\033[0m' # No Color

# Function to list available profiles
list_profiles() {
  local running_profile=$(get_running_profile)
  echo -e "${BLUE}Available profiles:${NC}"
  for profile in $(ls /etc/netbird/*.json | xargs -n 1 basename | cut -d'.' -f1 | sed 's/^config$/default/'); do
    if [ "$profile" == "$running_profile" ]; then
      echo -e "- ${GREEN}$profile [*]${NC}"
    else
      echo "- $profile"
    fi
  done
  echo
}

# Function to determine the currently running profile
get_running_profile() {
  local running_profile=$(ps aux | grep "[n]etbird" | grep "service run" | awk {'print $15'} | cut -d"." -f1 | cut -d"/" -f4)
  if [ "$running_profile" == "config" ]; then
    echo "default"
  else
    echo "$running_profile"
  fi
}

# Check if a profile was provided
if [ -z "$1" ]; then
  list_profiles

  RUNNING_PROFILE=$(get_running_profile)

  if [ -z "$RUNNING_PROFILE" ]; then
    echo -e "${YELLOW}No Netbird profile is currently active.${NC}"
  else
    echo -e "${BLUE}Currently running profile: ${GREEN}$RUNNING_PROFILE${NC}"
  fi
  exit 0
fi

PROFILE=$1

# Check if the profile exists
if [ "$PROFILE" == "default" ]; then
  CONFIG_FILE="/etc/netbird/config.json"
else
  CONFIG_FILE="/etc/netbird/$PROFILE.json"
fi

if [ ! -f "$CONFIG_FILE" ]; then
  echo -e "${RED}Error: Profile '$PROFILE' does not exist.${NC}"
  exit 1
fi

# Determine the currently running profile
RUNNING_PROFILE=$(get_running_profile)

# Check if the desired profile is already running
if [ "$RUNNING_PROFILE" == "$PROFILE" ]; then
  echo -e "${YELLOW}The profile '$PROFILE' is already running.${NC}"
  exit 0
fi

# Start or switch profiles
if [ -z "$RUNNING_PROFILE" ]; then
  echo -e "${BLUE}Starting profile '$PROFILE'...${NC}"
else
  echo -e "Switching from profile '${BLUE}$RUNNING_PROFILE'${NC} to ${BLUE}'$PROFILE'${NC}"
  if ! netbird down; then
    echo -e "${RED}Error: Failed to bring down the Netbird service.${NC}"
    exit 1
  fi
  if [ "$RUNNING_PROFILE" == "default" ]; then
    sudo netbird service stop --service netbird
  else
    sudo netbird service stop --service "$RUNNING_PROFILE"
  fi
fi

# Start the new profile
sleep 3
if [ "$PROFILE" == "default" ]; then
  sudo netbird service start --service netbird
else
  sudo netbird service start --service "$PROFILE"
fi

if netbird up; then
  echo
  netbird status
else
  echo -e "${RED}Error: Failed to bring up the Netbird service for profile '$PROFILE'.${NC}"
fi

how to create a profile

netbird service install --service <profile> --config /etc/netbird/<profile>.json

This will create a <profile>.json that will be used when you manually invoke said profile; this above script makes profile switching easier and takes into account the fact that the default profile (netbird) is not named, so the config file is just called config.json.

The script also handles the fact that you can only be running one profile at the time, since netbird client will only attach itself to one socket.