add: dwc2-for-klipper-socket installer scripts

scripts/dwc2-for-klipper-socket-installer/install-octopi.sh

@@ -0,0 +1,106 @@
+#!/bin/bash
+# This script installs dwc2-for-klipper-socket on a Raspberry Pi machine running
+# Raspbian/Raspberry Pi OS based distributions.
+
+# https://github.com/Stephan3/dwc2-for-klipper-socket.git
+
+PYTHONDIR="${HOME}/dwc-env"
+
+# Step 1:  Verify Klipper has been installed
+check_klipper()
+{
+    if [ "$(systemctl list-units --full -all -t service --no-legend | grep -F "klipper.service")" ]; then
+        echo "Klipper service found!"
+    else
+        echo "Klipper service not found, please install Klipper first"
+        exit -1
+    fi
+
+}
+
+# Step 2: Install packages
+install_packages()
+{
+    PKGLIST="python3-virtualenv python3-dev python3-tornado"
+
+    # Update system package info
+    report_status "Running apt-get update..."
+    sudo apt-get update
+
+    # Install desired packages
+    report_status "Installing packages..."
+    sudo apt-get install --yes ${PKGLIST}
+}
+
+# Step 3: Create python virtual environment
+create_virtualenv()
+{
+    report_status "Updating python virtual environment..."
+
+    # Create virtualenv if it doesn't already exist
+    [ ! -d ${PYTHONDIR} ] && virtualenv -p /usr/bin/python3 ${PYTHONDIR}
+
+    # Install/update dependencies
+    ${PYTHONDIR}/bin/pip install tornado==6.0.4
+}
+
+# Step 4: Install startup script
+install_script(){
+    report_status "Installing system start script..."
+    sudo cp "${SRCDIR}/scripts/dwc-start.sh" /etc/init.d/dwc
+    sudo update-rc.d dwc defaults
+}
+
+# Step 5: Install startup script config
+install_config(){
+    DEFAULTS_FILE=/etc/default/dwc
+    [ -f $DEFAULTS_FILE ] && return
+
+    report_status "Installing system start configuration..."
+    sudo /bin/sh -c "cat > $DEFAULTS_FILE" <<EOF
+# Configuration for /etc/init.d/dwc
+DWC_USER=$USER
+
+DWC_EXEC=${PYTHONDIR}/bin/python3
+
+DWC_ARGS="${SRCDIR}/web_dwc2.py"
+EOF
+}
+
+# Step 4: Start server
+start_software()
+{
+    report_status "Launching dwc2-for-klipper-socket..."
+    sudo /etc/init.d/klipper stop
+    sudo /etc/init.d/dwc restart
+    sudo /etc/init.d/klipper start
+}
+
+# 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
+check_klipper
+install_packages
+create_virtualenv
+install_script
+install_config
+start_software