mirror of
https://github.com/cimryan/teslausb.git
synced 2026-03-01 04:30:33 +00:00
265 lines
6.4 KiB
Bash
265 lines
6.4 KiB
Bash
#!/bin/bash -eu
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REPO=${REPO:-cimryan}
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BRANCH=${BRANCH:-master}
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HEADLESS_SETUP=${HEADLESS_SETUP:-false}
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USE_LED_FOR_SETUP_PROGRESS=true
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CONFIGURE_ARCHIVING=${CONFIGURE_ARCHIVING:-true}
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UPGRADE_PACKAGES=${UPGRADE_PACKAGES:-true}
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function setup_progress () {
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local setup_logfile=/boot/teslausb-headless-setup.log
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if [ $HEADLESS_SETUP = "true" ]
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then
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echo "$( date ) : $1" >> "$setup_logfile"
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fi
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echo $1
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}
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if ! [ $(id -u) = 0 ]
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then
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setup_progress "STOP: Run sudo -i."
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exit 1
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fi
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function headless_setup_populate_variables () {
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# Pull in the conf file variables to make avail to this script and subscripts
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if [ -e /boot/teslausb_setup_variables.conf ] && [ $HEADLESS_SETUP = "true" ]
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then
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source /boot/teslausb_setup_variables.conf
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fi
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}
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function headless_setup_mark_setup_failed () {
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if [ $HEADLESS_SETUP = "true" ]
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then
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setup_progress "ERROR: Setup Failed."
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touch /boot/TESLAUSB_SETUP_FAILED
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fi
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}
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function headless_setup_mark_setup_success () {
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if [ $HEADLESS_SETUP = "true" ]
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then
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if [ -e /boot/TESLAUSB_SETUP_FAILED ]
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then
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rm /boot/TESLAUSB_SETUP_FAILED
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fi
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rm /boot/TESLAUSB_SETUP_STARTED
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touch /boot/TESLAUSB_SETUP_FINISHED
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# This sed shouldn't be needed, but double checking just to be sure.
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sed -i'.bak' -e "s/TEMPARCHIVESERVER/$archiveserver/g" /etc/rc.local
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setup_progress "Main setup completed. Remounting file systems read only."
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fi
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}
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function headless_setup_progress_flash () {
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if [ $USE_LED_FOR_SETUP_PROGRESS = "true" ] && [ $HEADLESS_SETUP = "true" ]
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then
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/etc/stage_flash $1
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fi
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}
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function setup_led_off () {
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if [ $USE_LED_FOR_SETUP_PROGRESS = "true" ] && [ $HEADLESS_SETUP = "true" ]
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then
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echo "none" | sudo tee /sys/class/leds/led0/trigger > /dev/null
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echo 1 | sudo tee /sys/class/leds/led0/brightness > /dev/null
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fi
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}
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function setup_led_on () {
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if [ $USE_LED_FOR_SETUP_PROGRESS = "true" ] && [ $HEADLESS_SETUP = "true" ]
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then
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echo 0 | sudo tee /sys/class/leds/led0/brightness > /dev/null
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fi
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}
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function check_variable () {
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local var_name="$1"
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if [ -z "${!var_name+x}" ]
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then
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setup_progress "STOP: Define the variable $var_name like this: export $var_name=value"
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exit 1
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fi
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}
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function check_available_space () {
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setup_progress "Verifying that there is sufficient space available on the MicroSD card..."
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local available_space="$( parted -m /dev/mmcblk0 u b print free | tail -1 | cut -d ":" -f 4 | sed 's/B//g' )"
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if [ "$available_space" -lt 4294967296 ]
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then
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setup_progress "STOP: The MicroSD card is too small."
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exit 1
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fi
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setup_progress "There is sufficient space available."
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}
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function verify_configuration () {
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get_script /tmp verify-configuration.sh setup/pi
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/tmp/verify-configuration.sh
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}
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function get_script () {
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local local_path="$1"
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local name="$2"
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local remote_path="${3:-}"
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curl --fail -o "$local_path/$name" https://raw.githubusercontent.com/"$REPO"/teslausb/"$BRANCH"/"$remote_path"/"$name"
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# wget -O "$local_path/$name" https://raw.githubusercontent.com/"$REPO"/teslausb/"$BRANCH"/"$remote_path"/"$name"
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chmod +x "$local_path/$name"
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setup_progress "Downloaded $local_path/$name ..."
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}
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function get_ancillary_setup_scripts () {
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get_script /tmp create-backingfiles-partition.sh setup/pi
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get_script /tmp create-backingfiles.sh setup/pi
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get_script /tmp make-root-fs-readonly.sh setup/pi
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get_script /root configure.sh setup/pi
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}
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function fix_cmdline_txt_modules_load ()
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{
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setup_progress "Fixing the modules-load parameter in /boot/cmdline.txt..."
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cp /boot/cmdline.txt ~
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cat ~/cmdline.txt | sed 's/ modules-load=dwc2,g_ether/ modules-load=dwc2/' > /boot/cmdline.txt
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rm ~/cmdline.txt
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setup_progress "Fixed cmdline.txt."
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}
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BACKINGFILES_MOUNTPOINT=/backingfiles
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MUTABLE_MOUNTPOINT=/mutable
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function create_usb_drive_backing_files () {
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if [ ! -e "$BACKINGFILES_MOUNTPOINT" ]
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then
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mkdir "$BACKINGFILES_MOUNTPOINT"
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fi
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if [ ! -e "$MUTABLE_MOUNTPOINT" ]
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then
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mkdir "$MUTABLE_MOUNTPOINT"
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fi
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if [ ! -e /dev/mmcblk0p3 ]
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then
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setup_progress "Starting to create backing files partition..."
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/tmp/create-backingfiles-partition.sh "$BACKINGFILES_MOUNTPOINT" "$MUTABLE_MOUNTPOINT"
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fi
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if ! findmnt --mountpoint $BACKINGFILES_MOUNTPOINT
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then
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setup_progress "Mounting the partition for the backing files..."
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mount $BACKINGFILES_MOUNTPOINT
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setup_progress "Mounted the partition for the backing files."
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fi
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if [ ! -e $BACKINGFILES_MOUNTPOINT/*.bin ]
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then
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setup_progress "Creating backing disk files."
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/tmp/create-backingfiles.sh "$campercent" "$BACKINGFILES_MOUNTPOINT"
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fi
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}
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function configure_hostname () {
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# Headless image already has hostname set
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if [ ! $HEADLESS_SETUP = "true" ]
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then
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setup_progress "Configuring the hostname..."
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local new_host_name="teslausb"
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cp /etc/hosts ~
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sed "s/raspberrypi/$new_host_name/g" ~/hosts > /etc/hosts
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rm ~/hosts
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cp /etc/hostname ~
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sed "s/raspberrypi/$new_host_name/g" ~/hostname > /etc/hostname
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setup_progress "Configured the hostname."
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rm ~/hostname
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fi
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}
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function make_root_fs_readonly () {
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/tmp/make-root-fs-readonly.sh
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}
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function update_package_index () {
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setup_progress "Updating package index files..."
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apt-get update
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}
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function upgrade_packages () {
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if [ "$UPGRADE_PACKAGES" = true ]
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then
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setup_progress "Upgrading installed packages..."
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apt-get --assume-yes upgrade
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else
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setup_progress "Skipping package upgrade."
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fi
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}
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export -f setup_progress
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export HEADLESS_SETUP
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update_package_index
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headless_setup_populate_variables
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# If USE_LED_FOR_SETUP_PROGRESS = true.
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setup_led_off
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# Flash for stage 2 headless (verify requested configuration)
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headless_setup_progress_flash 1
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setup_progress "Verifying that the requested configuration is valid..."
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verify_configuration
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# Flash for Stage 3 headless (grab scripts)
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headless_setup_progress_flash 2
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setup_progress "Downloading additional setup scripts."
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get_ancillary_setup_scripts
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pushd ~
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fix_cmdline_txt_modules_load
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echo "" >> /etc/fstab
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# Flash for stage 4 headless (Create backing files)
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headless_setup_progress_flash 3
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create_usb_drive_backing_files
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configure_hostname
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# Flash for stage 5 headless (Mark success, FS readonly)
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headless_setup_progress_flash 4
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headless_setup_mark_setup_success
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if [ "$CONFIGURE_ARCHIVING" = true ]
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then
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/root/configure.sh
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fi
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make_root_fs_readonly
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upgrade_packages
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# If USE_LED_FOR_SETUP_PROGRESS = true.
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setup_led_on
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setup_progress "All done."
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