netbox/upgrade.sh

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#!/bin/bash
# This script will prepare NetBox to run after the code has been upgraded to
# its most recent release.
# This script will invoke Python with the value of the PYTHON environment
# variable (if set), or fall back to "python3". Note that NetBox v4.0+ requires
# Python 3.10 or later.
cd "$(dirname "$0")"
NETBOX_VERSION="$(grep ^VERSION netbox/netbox/settings.py | cut -d\' -f2)"
echo "You are installing (or upgrading to) NetBox version ${NETBOX_VERSION}"
VIRTUALENV="$(pwd -P)/venv"
PYTHON="${PYTHON:-python3}"
# Validate the minimum required Python version
COMMAND="${PYTHON} -c 'import sys; exit(1 if sys.version_info < (3, 10) else 0)'"
PYTHON_VERSION=$(eval "${PYTHON} -V")
eval $COMMAND || {
echo "--------------------------------------------------------------------"
echo "ERROR: Unsupported Python version: ${PYTHON_VERSION}. NetBox requires"
echo "Python 3.10 or later. To specify an alternate Python executable, set"
echo "the PYTHON environment variable. For example:"
echo ""
echo " sudo PYTHON=/usr/bin/python3.10 ./upgrade.sh"
echo ""
echo "To show your current Python version: ${PYTHON} -V"
echo "--------------------------------------------------------------------"
exit 1
}
echo "Using ${PYTHON_VERSION}"
# Remove the existing virtual environment (if any)
if [ -d "$VIRTUALENV" ]; then
COMMAND="rm -rf ${VIRTUALENV}"
echo "Removing old virtual environment..."
eval $COMMAND
else
WARN_MISSING_VENV=1
fi
# Create a new virtual environment
COMMAND="${PYTHON} -m venv ${VIRTUALENV}"
echo "Creating a new virtual environment at ${VIRTUALENV}..."
eval $COMMAND || {
echo "--------------------------------------------------------------------"
echo "ERROR: Failed to create the virtual environment. Check that you have"
echo "the required system packages installed and the following path is"
echo "writable: ${VIRTUALENV}"
echo "--------------------------------------------------------------------"
exit 1
}
# Activate the virtual environment
source "${VIRTUALENV}/bin/activate"
# Upgrade pip
COMMAND="pip install --upgrade pip"
echo "Updating pip ($COMMAND)..."
eval $COMMAND || exit 1
pip -V
# Install necessary system packages
COMMAND="pip install wheel"
echo "Installing Python system packages ($COMMAND)..."
eval $COMMAND || exit 1
# Install required Python packages
COMMAND="pip install -r requirements.txt"
echo "Installing core dependencies ($COMMAND)..."
eval $COMMAND || exit 1
# Install optional packages (if any)
if [ -s "local_requirements.txt" ]; then
COMMAND="pip install -r local_requirements.txt"
echo "Installing local dependencies ($COMMAND)..."
eval $COMMAND || exit 1
elif [ -f "local_requirements.txt" ]; then
echo "Skipping local dependencies (local_requirements.txt is empty)"
else
echo "Skipping local dependencies (local_requirements.txt not found)"
fi
# Apply any database migrations
COMMAND="python3 netbox/manage.py migrate"
echo "Applying database migrations ($COMMAND)..."
eval $COMMAND || exit 1
# Trace any missing cable paths (not typically needed)
COMMAND="python3 netbox/manage.py trace_paths --no-input"
echo "Checking for missing cable paths ($COMMAND)..."
eval $COMMAND || exit 1
# Build the local documentation
COMMAND="mkdocs build"
echo "Building documentation ($COMMAND)..."
eval $COMMAND || exit 1
# Collect static files
COMMAND="python3 netbox/manage.py collectstatic --no-input"
echo "Collecting static files ($COMMAND)..."
eval $COMMAND || exit 1
# Delete any stale content types
COMMAND="python3 netbox/manage.py remove_stale_contenttypes --no-input"
echo "Removing stale content types ($COMMAND)..."
eval $COMMAND || exit 1
# Rebuild the search cache (lazily)
COMMAND="python3 netbox/manage.py reindex --lazy"
echo "Rebuilding search cache ($COMMAND)..."
eval $COMMAND || exit 1
# Delete any expired user sessions
COMMAND="python3 netbox/manage.py clearsessions"
echo "Removing expired user sessions ($COMMAND)..."
eval $COMMAND || exit 1
if [ -v WARN_MISSING_VENV ]; then
echo "--------------------------------------------------------------------"
echo "WARNING: No existing virtual environment was detected. A new one has"
echo "been created. Update your systemd service files to reflect the new"
echo "Python and gunicorn executables. (If this is a new installation,"
echo "this warning can be ignored.)"
echo ""
echo "netbox.service ExecStart:"
echo " ${VIRTUALENV}/bin/gunicorn"
echo ""
echo "netbox-rq.service ExecStart:"
echo " ${VIRTUALENV}/bin/python"
echo ""
echo "After modifying these files, reload the systemctl daemon:"
echo " > systemctl daemon-reload"
echo "--------------------------------------------------------------------"
fi
echo "Upgrade complete! Don't forget to restart the NetBox services:"
echo " > sudo systemctl restart netbox netbox-rq"