mirror of
https://github.com/cimryan/teslausb.git
synced 2026-03-01 04:30:33 +00:00
Separate files into those used for setup and those used at runtime.
Files used for both will go in the run tree.
This commit is contained in:
cimryan
22
setup/pi/create-backingfiles-partition.sh
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22
setup/pi/create-backingfiles-partition.sh
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@@ -0,0 +1,22 @@
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#!/bin/bash -eu
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BACKINGFILES_MOUNTPOINT="$1"
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PARTITION_TABLE=$(parted -m /dev/mmcblk0 unit s print)
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ROOT_PARTITION_LINE=$(echo "$PARTITION_TABLE" | grep -e "^2:")
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LAST_ROOT_PARTITION_SECTOR=$(echo "$ROOT_PARTITION_LINE" | sed 's/s//g' | cut -d ":" -f 3)
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FIRST_BACKINGFILES_PARTITION_SECTOR=$(( $LAST_ROOT_PARTITION_SECTOR + 1 ))
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ORIGINAL_DISK_IDENTIFIER=$( fdisk -l /dev/mmcblk0 | grep -e "^Disk identifier" | sed "s/Disk identifier: 0x//" )
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parted -m /dev/mmcblk0 u s mkpart primary ext4 "$FIRST_BACKINGFILES_PARTITION_SECTOR" 100%
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NEW_DISK_IDENTIFIER=$( fdisk -l /dev/mmcblk0 | grep -e "^Disk identifier" | sed "s/Disk identifier: 0x//" )
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sed -i "s/${ORIGINAL_DISK_IDENTIFIER}/${NEW_DISK_IDENTIFIER}/g" /etc/fstab
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sed -i "s/${ORIGINAL_DISK_IDENTIFIER}/${NEW_DISK_IDENTIFIER}/" /boot/cmdline.txt
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mkfs.ext4 -F /dev/mmcblk0p3
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echo "/dev/mmcblk0p3 $BACKINGFILES_MOUNTPOINT ext4 auto,rw,noatime 0 2" >> /etc/fstab
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46
setup/pi/create-backingfiles.sh
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46
setup/pi/create-backingfiles.sh
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#!/bin/bash -eu
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CAM_PERCENT="$1"
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BACKINGFILES_MOUNTPOINT="$2"
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G_MASS_STORAGE_CONF_FILE_NAME=/etc/modprobe.d/g_mass_storage.conf
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function add_drive () {
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local name="$1"
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local label="$2"
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local size="$3"
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local filename="$4"
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echo "Allocating ${size}K for $filename..."
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fallocate -l "$size"K "$filename"
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mkfs.vfat "$filename" -F 32 -n "$label"
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local mountpoint=/mnt/"$name"
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mkdir "$mountpoint"
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echo "$filename $mountpoint vfat noauto,users,umask=000 0 0" >> /etc/fstab
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}
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function create_teslacam_directory () {
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mount /mnt/cam
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mkdir /mnt/cam/TeslaCam
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umount /mnt/cam
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}
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FREE_1K_BLOCKS="$(df --output=avail --block-size=1K /backingfiles/ | tail -n 1)"
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CAM_DISK_SIZE="$(( $FREE_1K_BLOCKS * $CAM_PERCENT / 100 ))"
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CAM_DISK_FILE_NAME="$BACKINGFILES_MOUNTPOINT/cam_disk.bin"
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add_drive "cam" "CAM" "$CAM_DISK_SIZE" "$CAM_DISK_FILE_NAME"
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if [ "$CAM_PERCENT" -lt 100 ]
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then
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MUSIC_DISK_SIZE="$(df --output=avail --block-size=1K /backingfiles/ | tail -n 1)"
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MUSIC_DISK_FILE_NAME="$BACKINGFILES_MOUNTPOINT/music_disk.bin"
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add_drive "music" "MUSIC" "$MUSIC_DISK_SIZE" "$MUSIC_DISK_FILE_NAME"
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echo "options g_mass_storage file=$CAM_DISK_FILE_NAME,$MUSIC_DISK_FILE_NAME removable=1,1 ro=0,0 stall=0 iSerialNumber=123456" > "$G_MASS_STORAGE_CONF_FILE_NAME"
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else
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echo "options g_mass_storage file=$CAM_DISK_FILE_NAME removable=1 ro=0 stall=0 iSerialNumber=123456" > "$G_MASS_STORAGE_CONF_FILE_NAME"
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fi
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create_teslacam_directory
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49
setup/pi/make-root-fs-readonly.sh
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49
setup/pi/make-root-fs-readonly.sh
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#!/bin/bash
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# Adapted from https://github.com/adafruit/Raspberry-Pi-Installer-Scripts/blob/master/read-only-fs.sh
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function append_cmdline_txt_param() {
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local toAppend="$1"
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sed -i "s/\'/ ${toAppend}/g" /boot/cmdline.txt >/dev/null
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}
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echo "Updating package index files..."
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apt-get update
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echo "Removing unwanted packages..."
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apt-get remove -y --force-yes --purge triggerhappy logrotate dphys-swapfile fake-hwclock
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apt-get -y --force-yes autoremove --purge
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# Replace log management with busybox (use logread if needed)
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echo "Installing ntp and busybox-syslogd..."
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apt-get -y --force-yes install ntp busybox-syslogd; dpkg --purge rsyslog
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echo "Configuring system..."
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# Add fastboot, noswap and/or ro to end of /boot/cmdline.txt
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append_cmdline_txt_param fastboot
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append_cmdline_txt_param noswap
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append_cmdline_txt_param ro
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# Move /var/spool to /tmp
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rm -rf /var/spool
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ln -s /tmp /var/spool
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# Change spool permissions in var.conf (rondie/Margaret fix)
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sed -i "s/spool\s*0755/spool 1777/g" /usr/lib/tmpfiles.d/var.conf >/dev/null
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# Move dhcpd.resolv.conf to tmpfs
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touch /tmp/dhcpcd.resolv.conf
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rm /etc/resolv.conf
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ln -s /tmp/dhcpcd.resolv.conf /etc/resolv.conf
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# Update /etc/fstab
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# make /boot read-only
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# make / read-only
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# tmpfs /var/log tmpfs nodev,nosuid 0 0
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# tmpfs /var/tmp tmpfs nodev,nosuid 0 0
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# tmpfs /tmp tmpfs nodev,nosuid 0 0
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sed -i -r "s@(/boot\s+vfat\s+\S+)@\1,ro@" /etc/fstab
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sed -i -r "s@(/\s+ext4\s+\S+)@\1,ro@" /etc/fstab
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echo "" >> /etc/fstab
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echo "tmpfs /var/log tmpfs nodev,nosuid 0 0" >> /etc/fstab
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echo "tmpfs /var/tmp tmpfs nodev,nosuid 0 0" >> /etc/fstab
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echo "tmpfs /tmp tmpfs nodev,nosuid 0 0" >> /etc/fstab
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247
setup/pi/setup-teslausb
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247
setup/pi/setup-teslausb
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@@ -0,0 +1,247 @@
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#!/bin/bash -eu
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USER_ENABLED_PUSHOVER=false
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REPO=${REPO:-cimryan}
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BRANCH=${BRANCH:-master}
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if ! [ $(id -u) = 0 ]
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then
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echo "STOP: Run sudo -i."
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exit 1
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fi
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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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echo "STOP: Define the variable $var_name like this: export $var_name=value"
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exit 1
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fi
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}
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function check_pushover_enabled () {
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if [ ! -z "${pushover_enabled+x}" ]
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then
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if [ ! -n "${pushover_user_key+x}" ] || [ ! -n "${pushover_app_key+x}" ]
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then
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echo "STOP: You're trying to setup Pushover but didn't provide your User and/or App key."
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echo "Define the variables like this:"
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echo "export pushover_user_key=put_your_userkey_here"
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echo "export pushover_app_key=put_your_appkey_here"
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exit 1
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elif [ "${pushover_user_key}" = "put_your_userkey_here" ] || [ "${pushover_app_key}" = "put_your_appkey_here" ]
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then
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echo "STOP: You're trying to setup Pushover, but didn't replace the default User and App key values."
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exit 1
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else
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USER_ENABLED_PUSHOVER=true
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echo "export pushover_enabled=true" > /root/.teslaCamPushoverCredentials
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echo "export pushover_user_key=$pushover_user_key" >> /root/.teslaCamPushoverCredentials
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echo "export pushover_app_key=$pushover_app_key" >> /root/.teslaCamPushoverCredentials
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fi
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fi
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}
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function check_available_space () {
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echo "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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echo "STOP: The MicroSD card is too small."
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exit 1
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fi
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echo "There is sufficient space available."
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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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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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}
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function get_ancillary_setup_scripts () {
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get_script /tmp create-backingfiles-partition.sh
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get_script /tmp create-backingfiles.sh
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get_script /tmp make-root-fs-readonly.sh
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}
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function fix_cmdline_txt_modules_load ()
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{
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echo "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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echo "Fixed cmdline.txt."
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}
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BACKINGFILES_MOUNTPOINT=/backingfiles
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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 /dev/mmcblk0p3 ]
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then
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/tmp/create-backingfiles-partition.sh "$BACKINGFILES_MOUNTPOINT"
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fi
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if ! findmnt --mountpoint /backingfiles
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then
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echo "Mounting the partition for the backing files..."
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mount /backingfiles
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echo "Mounted the partition for the backing files."
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fi
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if [ ! -e /backingfiles/*.bin ]
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then
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/tmp/create-backingfiles.sh "$campercent" "$BACKINGFILES_MOUNTPOINT"
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fi
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}
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function configure_archive_scripts () {
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echo "Configuring the archive scripts..."
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get_script /root/bin archiveloop
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get_script /root/bin archive-teslacam-clips
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if [ $RSYNC_ENABLE = true ]
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then
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get_script /root/bin archive-clips.sh rsync_archive
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get_script /root/bin connect-archive.sh rsync_archive
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get_script /root/bin disconnect-archive.sh rsync_archive
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else
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get_script /root/bin archive-clips.sh cifs_archive
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get_script /root/bin connect-archive.sh cifs_archive
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get_script /root/bin disconnect-archive.sh cifs_archive
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fi
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get_script /root/bin remountfs_rw
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echo "Configured the archive scripts."
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}
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function configure_pushover_scripts() {
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get_script /root/bin send-pushover
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}
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function configure_rc_local () {
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if grep -q archiveloop /etc/rc.local
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then
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return
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fi
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echo "Configuring /etc/rc.local to run the archive scripts at startup..."
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echo "#!/bin/bash -eu" > ~/rc.local
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echo "archiveserver=\"${archiveserver}\"" >> ~/rc.local
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cat << 'EOF' >> ~/rc.local
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LOGFILE=/tmp/rc.local.log
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function log () {
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echo "$( date )" >> "$LOGFILE"
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echo "$1" >> "$LOGFILE"
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}
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log "Launching archival script..."
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/root/bin/archiveloop "$archiveserver" &
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log "All done"
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exit 0
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EOF
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cat ~/rc.local > /etc/rc.local
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rm ~/rc.local
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echo "Configured rc.local."
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}
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function configure_hostname () {
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echo "Configuring the hostname..."
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local new_host_name="teslausb"
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cp /etc/hosts ~
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sed "s/raspberrypi/$new_host_name/g" ~/hosts > /etc/hosts
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cp /etc/hostname ~
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sed "s/raspberrypi/$new_host_name/g" ~/hostname > /etc/hostname
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echo "Configured the hostname."
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}
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function make_root_fs_readonly () {
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/tmp/make-root-fs-readonly.sh
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}
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echo "Verifying environment variables..."
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RSYNC_ENABLE="${RSYNC_ENABLE:-false}"
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if [ "$RSYNC_ENABLE" = true ]
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then
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check_variable "RSYNC_USER"
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check_variable "RSYNC_SERVER"
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export archiveserver="$RSYNC_SERVER"
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check_variable "RSYNC_PATH"
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else # Else for now, TODO allow both for more redundancy?
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check_variable "sharename"
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check_variable "shareuser"
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check_variable "sharepassword"
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export cifs_version="${cifs_version:-3}"
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fi
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check_variable "archiveserver"
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check_variable "campercent"
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check_pushover_enabled
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if [ ! -e /root/bin ]
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then
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mkdir /root/bin
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fi
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if [ "$RSYNC_ENABLE" = true ]
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then
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get_script /root/bin verify-archive-configuration.sh rsync_archive
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get_script /root/bin configure-archive.sh rsync_archive
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else
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get_script /root/bin verify-archive-configuration.sh cifs_archive
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get_script /root/bin configure-archive.sh cifs_archive
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get_script /root/bin write-archive-credentials-to.sh cifs_archive
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fi
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get_script /root/bin get-archiveserver-ip-address.sh
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/root/bin/verify-archive-configuration.sh
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check_available_space
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get_ancillary_setup_scripts
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pushd ~
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configure_archive_scripts
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configure_pushover_scripts
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fix_cmdline_txt_modules_load
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echo "" >> /etc/fstab
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create_usb_drive_backing_files
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/root/bin/configure-archive.sh
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configure_rc_local
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configure_hostname
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make_root_fs_readonly
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echo "All done."
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