klipper/scripts/install-centos.sh

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#!/bin/bash
# This script installs Klipper on an x86_64 machine running the
# CentOS 7 distribution.
PYTHONDIR="${HOME}/klippy-env"
SYSTEMDDIR="/etc/systemd/system"
# Step 1: Install system packages
install_packages()
{
# Packages for python cffi
PKGLIST="python-virtualenv libffi-devel"
# kconfig requirements
PKGLIST="${PKGLIST} ncurses-devel"
# hub-ctrl
PKGLIST="${PKGLIST} libusb-devel"
# AVR chip installation and building
PKGLIST="${PKGLIST} avrdude gcc-avr32-linux-gnu binutils-avr32-linux-gnu avr-libc"
# ARM chip installation and building
# CentOS/Fedora do not appear to have these packages available at this time
PKGLIST="${PKGLIST} arm-none-eabi-gcc-cs arm-none-eabi-newlib"
# Install desired packages
report_status "Installing packages..."
sudo yum install -y ${PKGLIST}
}
# Step 2: Create python virtual environment
create_virtualenv()
{
report_status "Updating python virtual environment..."
# Create virtualenv if it doesn't already exist
[ ! -d ${PYTHONDIR} ] && virtualenv -p python2 ${PYTHONDIR}
# Install/update dependencies
${PYTHONDIR}/bin/pip install -r ${SRCDIR}/scripts/klippy-requirements.txt
}
# Step 3: Install startup script
install_script()
{
# Create systemd service file
report_status "Installing system start script..."
sudo /bin/sh -c "cat > $SYSTEMDDIR/klipper.service" << EOF
#Systemd service file for klipper
[Unit]
Description=Starts klipper on startup
After=network.target
[Install]
WantedBy=multi-user.target
[Service]
Type=simple
User=$USER
RemainAfterExit=yes
ExecStart=${PYTHONDIR}/bin/python ${SRCDIR}/klippy/klippy.py ${HOME}/printer.cfg -l /var/log/klippy.log
EOF
# Use systemctl to enable the klipper systemd service script
sudo systemctl enable klipper.service
}
# Configuration for systemctl klipper
KLIPPY_USER=$USER
# Step 5: Start host software
start_software()
{
report_status "Launching Klipper host software..."
sudo systemctl restart klipper
}
# Helper functions
report_status()
{
echo -e "\n\n###### $1"
}
verify_ready()
{
if [ "$EUID" -eq 0 ]; then
echo "This script must not run as root"
exit -1
fi
}
# Force script to exit if an error occurs
set -e
# Find SRCDIR from the pathname of this script
SRCDIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )"/.. && pwd )"
# Run installation steps defined above
verify_ready
install_packages
create_virtualenv
install_script
start_software