284 lines
9.3 KiB
Bash
Executable File
284 lines
9.3 KiB
Bash
Executable File
#!/usr/bin/env bash
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# Crow's Nest
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# A multiple Cam and Stream Service for mainsailOS
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# Written by Stephan Wendel aka KwadFan <me@stephanwe.de>
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# Copyright 2021
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# https://github.com/mainsail-crew/crowsnest
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# GPL V3
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########
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# shellcheck enable=require-variable-braces
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## disabeld SC2086 for some lines because there we want 'word splitting'
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set -Ee
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## Debug
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# set -x
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# Global Vars
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BASE_USER=$(whoami)
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TITLE="crowsnest - A Webcam Daemon for Raspberry Pi OS"
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### Non root
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if [ ${UID} == '0' ]; then
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echo -e "DO NOT RUN THIS SCRIPT AS ROOT!\nExiting..."
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exit 1
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fi
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### noninteractive Check
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if [ -z "${DEBIAN_FRONTEND}" ]; then
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export DEBIAN_FRONTEND=noninteractive
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fi
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### Functions
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### Messages
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### Welcome Message
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function welcome_msg {
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echo -e "${TITLE}\n"
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echo -e "\tSome Parts of the Installer requires 'root' privileges."
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echo -e "\tYou will be prompted for your 'sudo' password, if needed.\n"
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}
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function detect_msg {
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echo -e "Found an existing 'webcamd'. This will be removed."
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echo -e "Since we dont use mjpg-streamer it will also removed."
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echo -e "You can use KIAUH for example to reinstall.\n"
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}
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function goodbye_msg {
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echo -e "\nInstallation complete.\n\tPlease reboot your machine!"
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echo -e "I hope you enjoy crowsnest, GoodBye ..."
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}
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### Installer
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### General
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## These two functions are reused from custompios common.sh
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## Credits to guysoft!
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## https://github.com/guysoft/CustomPiOS
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function install_cleanup_trap() {
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# kills all child processes of the current process on SIGINT or SIGTERM
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trap 'cleanup' SIGINT SIGTERM
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}
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function cleanup() {
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# make sure that all child processed die when we die
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echo -e "Killed by user ...\r\nGoodBye ...\r"
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# shellcheck disable=2046
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[ -n "$(jobs -pr)" ] && kill $(jobs -pr) && sleep 5 && kill -9 $(jobs -pr)
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}
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##
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function err_exit {
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if [ "${1}" != "0" ]; then
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echo -e "ERROR: Error ${1} occured on line ${2}"
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echo -e "ERROR: Stopping $(basename "$0")."
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echo -e "Goodbye..."
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fi
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# shellcheck disable=2046
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[ -n "$(jobs -pr)" ] && kill $(jobs -pr) && sleep 5 && kill -9 $(jobs -pr)
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exit 1
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}
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### Init ERR Trap
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trap 'err_exit $? $LINENO' ERR
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### Import config from custompios.
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function import_config {
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if [ "$(uname -m)" == "x86_64" ] &&
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[ -f tools/x86_config ]; then
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# shellcheck disable=SC1091
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source tools/x86_config
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else
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if [ -f "${HOME}/crowsnest/custompios/crowsnest/config" ]; then
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# shellcheck disable=SC1091
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source custompios/crowsnest/config
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else
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echo -e "${TITLE}\n"
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echo -e "OOPS!\nConfiguration File missing! Exiting..."
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echo -e "Try to git clone a second time please ...\n"
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exit 1
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fi
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fi
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}
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### Detect webcamd.
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function detect_existing_webcamd {
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local remove
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if [ -x "/usr/local/bin/webcamd" ] && [ -d "${HOME}/mjpg-streamer" ]; then
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detect_msg
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read -rp "Do you want to remove existing 'webcamd'? (YES/NO) " remove
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if [ "${remove}" = "YES" ]; then
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echo -en "\nStopping webcamd.service ...\r"
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sudo systemctl stop webcamd.service &> /dev/null
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echo -e "Stopping webcamd.service ... \t[OK]\r"
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remove_existing_webcamd
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else
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echo -e "\nYou answered '${remove}'! Installation will be aborted..."
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echo -e "GoodBye...\n"
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exit 1
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fi
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fi
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}
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### Remove existing webcamd
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function remove_existing_webcamd {
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if [ -x "/usr/local/bin/webcamd" ]; then
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echo -en "Removing 'webcamd' ...\r"
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sudo rm -f /usr/local/bin/webcamd > /dev/null
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echo -e "Removing 'webcamd' ... \t\t[OK]\r"
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fi
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if [ -d "${HOME}/mjpg-streamer" ]; then
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echo -en "Removing 'mjpg-streamer' ...\r"
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sudo rm -rf "${HOME}"/mjpg-streamer > /dev/null
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echo -e "Removing 'mjpg-streamer' ... \t[OK]\r"
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fi
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if [ -f "/etc/systemd/system/webcamd.service" ]; then
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echo -en "Removing 'webcamd.service' ...\r"
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sudo rm -f /etc/systemd/system/webcamd.service > /dev/null
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echo -e "Removing 'webcamd.service' ... \t[OK]\r"
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fi
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if [ -f "/var/log/webcamd.log" ]; then
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echo -en "Removing 'webcamd.log' ...\r"
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sudo rm -f /var/log/webcamd.log > /dev/null
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sudo rm -f "${HOME}"/klipper_logs/webcamd.log > /dev/null
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echo -e "Removing 'webcamd.log' ... \t[OK]\r"
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fi
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if [ -f "/etc/logrotate.d/webcamd" ]; then
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echo -en "Removing 'webcamd' logrotate...\r"
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sudo rm -f /etc/logrotate.d/webcamd > /dev/null
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echo -e "Removing 'webcamd' logrotate ... \t[OK]\r"
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fi
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echo -e "\nOld 'webcamd' completly removed."
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echo -e "webcam.txt kept,but no longer necessary ..."
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}
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function install_crowsnest {
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local bin_path logrotatefile moonraker_conf moonraker_update
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local webcamd_bin servicefile template
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bin_path="/usr/local/bin"
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webcamd_bin="${HOME}/crowsnest/webcamd"
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template="${PWD}/sample_configs/${CROWSNEST_DEFAULT_CONF}"
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servicefile="${PWD}/file_templates/webcamd.service"
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logrotatefile="${HOME}/crowsnest/file_templates/logrotate_webcamd"
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moonraker_conf="${HOME}/klipper_config/moonraker.conf"
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moonraker_update="${PWD}/file_templates/moonraker_update.txt"
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echo -e "\nInstall webcamd Service ..."
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## Install Dependencies
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echo -e "Installing 'crowsnest' Dependencies ..."
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# shellcheck disable=2086
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sudo apt install --yes --no-install-recommends ${CROWSNEST_CROWSNEST_DEPS} > /dev/null
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echo -e "Installing 'crowsnest' Dependencies ... [OK]"
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## Link webcamd to $PATH
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echo -en "Linking webcamd ...\r"
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sudo ln -sf "${webcamd_bin}" "${bin_path}" > /dev/null
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echo -e "Linking webcamd ... [OK]\r"
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## Copy webcam.conf
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# Make sure config directory exists!
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if [ ! -d "${CROWSNEST_DEFAULT_CONF_DIR}" ]; then
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sudo -u "${BASE_USER}" mkdir -p "${CROWSNEST_DEFAULT_CONF_DIR}"
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fi
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# Make sure not to overwrite existing!
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if [ ! -f "${CROWSNEST_DEFAULT_CONF_DIR}/webcam.conf" ]; then
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echo -en "Copying webcam.conf ...\r"
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sudo -u "${BASE_USER}" cp -rf "${template}" "${CROWSNEST_DEFAULT_CONF_DIR}"/webcam.conf
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echo -e "Copying webcam.conf ... [OK]\r"
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fi
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## Copy webcamd.service
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echo -en "Copying webcamd.service file ...\r"
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sudo cp -rf "${servicefile}" /etc/systemd/system/webcamd.service > /dev/null
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if [ ! "${BASE_USER}" == "pi" ]; then
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sudo sed -i 's|pi|'"${BASE_USER}"'|g' /etc/systemd/system/webcamd.service
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fi
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echo -e "Copying webcamd.service file ... [OK]\r"
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## Copy logrotate
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echo -en "Linking logrotate file ...\r"
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sudo cp -rf "${logrotatefile}" /etc/logrotate.d/webcamd
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if [ ! "${BASE_USER}" == "pi" ]; then
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sudo sed -i 's|pi|'"${BASE_USER}"'|g' /etc/logrotate.d/webcamd
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fi
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echo -e "Linking logrotate file ... [OK]\r"
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if [ "${UNATTENDED}" == "false" ] && [ "$(stat -c %i /)" == "2" ]; then
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echo -en "Reload systemd to enable new deamon ...\r"
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sudo systemctl daemon-reload
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echo -e "Reload systemd to enable new daemon ... [OK]"
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echo -en "Enable webcamd.service on boot ...\r"
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sudo systemctl enable webcamd.service
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echo -e "Enable webcamd.service on boot ... [OK]\r"
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fi
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if [ "${UNATTENDED}" == "true" ]; then
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echo -en "Adding Crowsnest Update Manager entry to moonraker.conf ...\r"
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cat "${moonraker_update}" >> "${moonraker_conf}"
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echo -e "Adding Crowsnest Update Manager entry to moonraker.conf ... [OK]"
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fi
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echo -en "Add User ${BASE_USER} to group 'video' ...\r"
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if [ "$(groups | grep -c video)" == "0" ]; then
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sudo usermod -aG video "${BASE_USER}" > /dev/null
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echo -e "Add User ${BASE_USER} to group 'video' ... [OK]"
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else
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echo -e "Add User ${BASE_USER} to group 'video' ... [SKIPPED]"
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echo -e "==> User ${BASE_USER} is already in group 'video'"
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fi
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}
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# Make sure submodules are initialized
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function sub_init {
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if [ ! -f "${HOME}/crowsnest/bin/ustreamer/Makefile" ]; then
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echo -e "Submodule is not initialized ..."
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git submodule update --init > /dev/null
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echo -e "Submodule is not initialized ... [OK]"
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fi
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}
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function build_apps {
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echo -e "Build dependend Stream Apps ..."
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echo -e "Installing 'ustreamer' Dependencies ..."
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# shellcheck disable=2086
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sudo apt install --yes --no-install-recommends ${CROWSNEST_USTREAMER_DEPS} > /dev/null
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echo -e "Installing 'ustreamer' Dependencies ... [OK]"
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pushd bin > /dev/null
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make all
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popd > /dev/null
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}
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function install_raspicam_fix {
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if [ -f /proc/device-tree/model ] &&
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grep -q "Raspberry" /proc/device-tree/model ; then
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echo -en "Applying Raspicam Fix ... \r"
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sudo sh -c 'echo "bcm2835-v4l2" >> /etc/modules'
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sudo cp file_templates/bcm2835-v4l2.conf /etc/modprobe.d/
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echo -e "Applying Raspicam Fix ... [OK]"
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else
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echo -e "This is not a Raspberry Pi!"
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echo -e "Applying Raspicam Fix ... [SKIPPED]"
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fi
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}
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#### MAIN
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while getopts "z" arg; do
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case ${arg} in
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z)
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UNATTENDED="true"
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;;
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*)
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UNATTENDED="false"
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;;
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esac
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done
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install_cleanup_trap
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import_config
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welcome_msg
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detect_existing_webcamd
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echo -e "Running apt update first ..."
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sudo apt update
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install_crowsnest
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sub_init
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build_apps
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install_raspicam_fix
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goodbye_msg
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exit 0
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