577f55306e
Additionally, rework the systemd unit so it is not necessary to overwrite and reload systemd when changes are made to Moonraker's arguments. Use a symbolic link for the executable and an environment flle to supply the arguments. Signed-off-by: Eric Callahan <arksine.code@gmail.com>
237 lines
6.9 KiB
Bash
Executable File
237 lines
6.9 KiB
Bash
Executable File
#!/bin/bash
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# This script installs Moonraker on a Raspberry Pi machine running
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# Raspbian/Raspberry Pi OS based distributions.
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PYTHONDIR="${MOONRAKER_VENV:-${HOME}/moonraker-env}"
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SYSTEMDDIR="/etc/systemd/system"
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REBUILD_ENV="${MOONRAKER_REBUILD_ENV:-n}"
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FORCE_DEFAULTS="${MOONRAKER_FORCE_DEFAULTS:-n}"
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DISABLE_SYSTEMCTL="${MOONRAKER_DISABLE_SYSTEMCTL:-n}"
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SKIP_POLKIT="${MOONRAKER_SKIP_POLKIT:-n}"
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CONFIG_PATH="${MOONRAKER_CONFIG_PATH}"
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LOG_PATH="${MOONRAKER_LOG_PATH}"
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DATA_PATH="${MOONRAKER_DATA_PATH}"
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INSTANCE_ALIAS="${MOONRAKER_ALIAS:-moonraker}"
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SERVICE_VERSION="1"
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MACHINE_PROVIDER="systemd_cli"
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# Step 2: Clean up legacy installation
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cleanup_legacy() {
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if [ -f "/etc/init.d/moonraker" ]; then
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# Stop Moonraker Service
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echo "#### Cleanup legacy install script"
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sudo systemctl stop moonraker
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sudo update-rc.d -f moonraker remove
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sudo rm -f /etc/init.d/moonraker
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sudo rm -f /etc/default/moonraker
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fi
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}
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# Step 3: Install packages
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install_packages()
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{
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PKGLIST="python3-virtualenv python3-dev libopenjp2-7 python3-libgpiod"
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PKGLIST="${PKGLIST} curl libcurl4-openssl-dev libssl-dev liblmdb-dev"
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PKGLIST="${PKGLIST} libsodium-dev zlib1g-dev libjpeg-dev packagekit"
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PKGLIST="${PKGLIST} wireless-tools"
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# Update system package info
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report_status "Running apt-get update..."
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sudo apt-get update --allow-releaseinfo-change
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# Install desired packages
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report_status "Installing packages..."
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sudo apt-get install --yes ${PKGLIST}
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}
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# Step 4: Create python virtual environment
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create_virtualenv()
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{
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report_status "Installing python virtual environment..."
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# If venv exists and user prompts a rebuild, then do so
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if [ -d ${PYTHONDIR} ] && [ $REBUILD_ENV = "y" ]; then
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report_status "Removing old virtualenv"
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rm -rf ${PYTHONDIR}
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fi
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if [ ! -d ${PYTHONDIR} ]; then
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virtualenv -p /usr/bin/python3 ${PYTHONDIR}
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#GET_PIP="${HOME}/get-pip.py"
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#curl https://bootstrap.pypa.io/pip/3.6/get-pip.py -o ${GET_PIP}
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#${PYTHONDIR}/bin/python ${GET_PIP}
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#rm ${GET_PIP}
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fi
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# Install/update dependencies
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${PYTHONDIR}/bin/pip install -r ${SRCDIR}/scripts/moonraker-requirements.txt
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}
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# Step 5: Install startup script
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install_script()
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{
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# Create systemd service file
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ENV_FILE="${SRCDIR}/${INSTANCE_ALIAS}.env"
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SERVICE_FILE="${SYSTEMDDIR}/${INSTANCE_ALIAS}.service"
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if [ ! -f $ENV_FILE ] || [ $FORCE_DEFAULTS = "y" ]; then
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rm -f $ENV_FILE
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args="MOONRAKER_ARGS=\"${SRCDIR}/moonraker/moonraker.py"
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args="${args} -a ${INSTANCE_ALIAS}"
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[ -n "${CONFIG_PATH}" ] && args="${args} -c ${CONFIG_PATH}"
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[ -n "${LOG_PATH}" ] && args="${args} -l ${LOG_PATH}"
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[ -n "${DATA_PATH}" ] && args="${args} -d ${DATA_PATH}"
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args="${args}\""
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echo $args > $ENV_FILE
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fi
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[ -f $SERVICE_FILE ] && [ $FORCE_DEFAULTS = "n" ] && return
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report_status "Installing system start script..."
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sudo groupadd -f moonraker-admin
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sudo /bin/sh -c "cat > ${SERVICE_FILE}" << EOF
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# systemd service file for moonraker
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[Unit]
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Description=API Server for Klipper SV${SERVICE_VERSION}
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Requires=network-online.target
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After=network-online.target
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[Install]
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WantedBy=multi-user.target
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[Service]
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Type=simple
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User=$USER
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SupplementaryGroups=moonraker-admin
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RemainAfterExit=yes
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WorkingDirectory=${SRCDIR}
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EnvironmentFile=${ENV_FILE}
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ExecStart=${PYTHONDIR}/bin/python \$MOONRAKER_ARGS
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Restart=always
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RestartSec=10
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EOF
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# Use systemctl to enable the klipper systemd service script
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if [ $DISABLE_SYSTEMCTL = "n" ]; then
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sudo systemctl enable "${INSTANCE_ALIAS}.service"
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sudo systemctl daemon-reload
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fi
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}
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check_polkit_rules()
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{
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if [ ! -x "$(command -v pkaction)" ]; then
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return
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fi
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POLKIT_VERSION="$( pkaction --version | grep -Po "(\d+\.?\d*)" )"
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NEED_POLKIT_INSTALL="n"
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if [ "$POLKIT_VERSION" = "0.105" ]; then
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POLKIT_LEGACY_FILE="/etc/polkit-1/localauthority/50-local.d/10-moonraker.pkla"
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# legacy policykit rules don't give users other than root read access
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if sudo [ ! -f $POLKIT_LEGACY_FILE ]; then
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NEED_POLKIT_INSTALL="y"
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fi
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else
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POLKIT_FILE="/etc/polkit-1/rules.d/moonraker.rules"
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POLKIT_USR_FILE="/usr/share/polkit-1/rules.d/moonraker.rules"
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if [ ! -f $POLKIT_FILE ] && [ ! -f $POLKIT_USR_FILE ]; then
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NEED_POLKIT_INSTALL="y"
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fi
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fi
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if [ "${NEED_POLKIT_INSTALL}" = "y" ]; then
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if [ "${SKIP_POLKIT}" = "y" ]; then
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echo -e "\n*** No PolicyKit Rules detected, run 'set-policykit-rules.sh'"
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echo "*** if you wish to grant Moonraker authorization to manage"
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echo "*** system services, reboot/shutdown the system, and update"
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echo "*** packages."
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else
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report_status "Installing PolKit Rules"
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${SRCDIR}/scripts/set-policykit-rules.sh -z
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MACHINE_PROVIDER="systemd_dbus"
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fi
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else
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MACHINE_PROVIDER="systemd_dbus"
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fi
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}
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# Step 6: Initialize data folder
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init_data_path()
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{
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dpath="${DATA_PATH:-${HOME}/${INSTANCE_ALIAS}_data}"
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report_status "Initializing Moonraker Data Path at ${dpath}"
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config_dir="${dpath}/config"
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logs_dir="${dpath}/logs"
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config_file="${dpath}/config/${INSTANCE_ALIAS}.conf"
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[ ! -e "${dpath}" ] && mkdir ${dpath}
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[ ! -e "${config_dir}" ] && mkdir ${config_dir}
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[ ! -e "${logs_dir}" ] && mkdir ${logs_dir}
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[ -n "${CONFIG_PATH}" ] && config_file=${CONFIG_PATH}
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if [ ! -e "${config_file}" ]; then
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report_status "Writing Config File ${config_file}:\n"
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/bin/sh -c "cat > ${config_file}" << EOF
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# Moonraker Configuration File
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[server]
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host: 0.0.0.0
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port: 7125
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# Make sure the klippy_uds_address is correct. It is initialized
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# to the default address.
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klippy_uds_address: /tmp/klippy_uds
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[machine]
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provider: ${MACHINE_PROVIDER}
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EOF
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cat ${config_file}
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fi
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}
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# Step 7: Start server
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start_software()
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{
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report_status "Launching Moonraker API Server..."
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sudo systemctl restart ${INSTANCE_ALIAS}
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}
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# Helper functions
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report_status()
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{
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echo -e "\n\n###### $1"
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}
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verify_ready()
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{
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if [ "$EUID" -eq 0 ]; then
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echo "This script must not run as root"
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exit -1
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fi
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}
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# Force script to exit if an error occurs
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set -e
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# Find SRCDIR from the pathname of this script
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SRCDIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )"/.. && pwd )"
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# Parse command line arguments
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while getopts "rfzxc:l:d:a:" arg; do
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case $arg in
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r) REBUILD_ENV="y";;
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f) FORCE_DEFAULTS="y";;
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z) DISABLE_SYSTEMCTL="y";;
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x) SKIP_POLKIT="y";;
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c) CONFIG_PATH=$OPTARG;;
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l) LOG_PATH=$OPTARG;;
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d) DATA_PATH=$OPTARG;;
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a) INSTANCE_ALIAS=$OPTARG;;
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esac
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done
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# Run installation steps defined above
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verify_ready
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cleanup_legacy
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install_packages
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create_virtualenv
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install_script
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check_polkit_rules
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init_data_path
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if [ $DISABLE_SYSTEMCTL = "n" ]; then
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start_software
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fi
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