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Update image-setup script to work on linux, plus first changes for Raspbian Buster.

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This commit is contained in:
Jarno Rantanen 2019-09-07 14:42:39 +03:00
parent 7e17948ff3
commit aeff8283b9
1 changed files with 78 additions and 26 deletions
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104
docs/image-setup.sh
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@ -1,27 +1,76 @@
#!/bin/bash
MOUNTED_BOOT_VOLUME="boot" # i.e. under which name is the SD card mounted under /Volumes on macOS
BOOT_CMDLINE_TXT="/Volumes/$MOUNTED_BOOT_VOLUME/cmdline.txt"
BOOT_CONFIG_TXT="/Volumes/$MOUNTED_BOOT_VOLUME/config.txt"
# exit on error; treat unset variables as errors; exit on errors in piped commands
set -euo pipefail
# Ensure we operate from consistent pwd for the rest of the script
DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null 2>&1 && pwd )" # Figure out the ABSOLUTE PATH of this script without relying on the realpath command, which may not always be available
cd "$DIR"
if [ "$OSTYPE" == "linux-gnu" ]; then
MOUNTED_BOOT_VOLUME="/media/$(whoami)/boot" # i.e. under which name is the SD card mounted under /media in Linux (Ubuntu)
SD_DD_BS="1M"
SD_DD_PROGRESS="status=progress"
elif [ "$OSTYPE" == "darwin" ]; then
MOUNTED_BOOT_VOLUME="/Volumes/boot" # i.e. under which name is the SD card mounted under /Volumes on macOS
SD_DD_BS="1m"
SD_DD_PROGRESS=""
else
echo "Error: Unsupported platform $OSTYPE, sorry"
exit 1
fi
BOOT_CMDLINE_TXT="$MOUNTED_BOOT_VOLUME/cmdline.txt"
BOOT_CONFIG_TXT="$MOUNTED_BOOT_VOLUME/config.txt"
SD_SIZE_REAL=2500 # this is in MB
SD_SIZE_SAFE=2800 # this is in MB
SD_SIZE_ZERO=3200 # this is in MB
PUBKEY="$(cat ~/.ssh/id_rsa.pub)"
SSH_PUBKEY="$(cat ~/.ssh/id_rsa.pub)"
SSH_CONNECT_TIMEOUT=30
KEYBOARD="us" # or e.g. "fi" for Finnish
TIMEZONE="Etc/UTC" # or e.g. "Europe/Helsinki"; see https://en.wikipedia.org/wiki/List_of_tz_database_time_zones
function echo-bold {
echo -e "$(tput -Txterm-256color bold)$1$(tput -Txterm-256color sgr 0)" # https://unix.stackexchange.com/a/269085; the -T arg accounts for $ENV not being set
}
function working {
echo -e "\n✨ $1"
echo-bold "\n✨ $1"
}
function question {
echo -e "\n🛑 $1"
echo-bold "\n🛑 $1"
}
function ssh {
/usr/bin/ssh -o LogLevel=ERROR -o StrictHostKeyChecking=no -o UserKnownHostsFile=/dev/null -o ConnectTimeout=5 "pi@$IP" "$1"
/usr/bin/ssh -o LogLevel=ERROR -o StrictHostKeyChecking=no -o UserKnownHostsFile=/dev/null -o ConnectTimeout="$SSH_CONNECT_TIMEOUT" "pi@$IP" "$1"
}
function scp {
/usr/bin/scp -o LogLevel=ERROR -o StrictHostKeyChecking=no -o UserKnownHostsFile=/dev/null "$@" "pi@$IP:/home/pi"
}
function figureOutSdCard {
if [ "$OSTYPE" == "linux-gnu" ]; then
lsblk --fs
DISK="/dev/$(lsblk -l | grep "$MOUNTED_BOOT_VOLUME" | sed 's/[0-9].*//')"
DISK_SAMPLE="/dev/sda"
elif [ "$OSTYPE" == "darwin" ]; then
diskutil list
DISK="$(diskutil list | grep /dev/ | grep external | grep physical | cut -d ' ' -f 1 | head -n 1)"
DISK_SAMPLE="/dev/disk2"
else
echo "Error: Unsupported platform $OSTYPE, sorry"
exit 1
fi
}
function unmountSdCard {
if [ "$OSTYPE" == "linux-gnu" ]; then
for part in $(lsblk --list "$DISK" | grep part | sed 's/ .*//'); do
udisksctl unmount -b "/dev/$part"
done
elif [ "$OSTYPE" == "darwin" ]; then
diskutil unmountDisk "$DISK"
else
echo "Error: Unsupported platform $OSTYPE, sorry"
exit 1
fi
}
question "Enter version (e.g. \"1.2.3\") being built:"
read TAG
@ -44,19 +93,18 @@ question "Mount the SD card (press enter when ready)"
read
working "Figuring out SD card device"
diskutil list
DISK="$(diskutil list | grep /dev/ | grep external | grep physical | cut -d ' ' -f 1 | head -n 1)"
figureOutSdCard
question "Based on the above, SD card determined to be \"$DISK\" (should be e.g. \"/dev/disk2\"), press enter to continue"
question "Based on the above, SD card determined to be \"$DISK\" (should be e.g. \"$DISK_SAMPLE\"), press enter to continue"
read
working "Safely unmounting the card"
diskutil unmountDisk "$DISK"
unmountSdCard
working "Writing the card full of zeros (for security and compressibility reasons)"
echo "This may take a long time"
echo "You may be prompted for your password by sudo"
sudo dd bs=1m count="$SD_SIZE_ZERO" if=/dev/zero of="$DISK"
sudo dd bs="$SD_DD_BS" count="$SD_SIZE_ZERO" if=/dev/zero of="$DISK" "$SD_DD_PROGRESS"
question "Prepare baseline Raspbian:"
echo "* Flash Raspbian Lite with Etcher"
@ -76,10 +124,10 @@ mv temp "$BOOT_CMDLINE_TXT"
working "Enabling SSH for first boot"
# https://www.raspberrypi.org/documentation/remote-access/ssh/
touch "/Volumes/$MOUNTED_BOOT_VOLUME/ssh"
touch "$MOUNTED_BOOT_VOLUME/ssh"
working "Safely unmounting the card"
diskutil unmountDisk "$DISK"
unmountSdCard
question "Do initial Pi setup:"
echo "* Eject the card"
@ -91,7 +139,7 @@ read IP
working "Installing temporary SSH pubkey"
echo -e "Password hint: \"raspberry\""
ssh "mkdir .ssh && echo '$PUBKEY' > .ssh/authorized_keys"
ssh "mkdir .ssh && echo '$SSH_PUBKEY' > .ssh/authorized_keys"
working "Figuring out partition start"
ssh "echo -e 'p\nq\n' | sudo fdisk /dev/mmcblk0 | grep /dev/mmcblk0p2 | tr -s ' ' | cut -d ' ' -f 2" > temp
@ -109,11 +157,14 @@ working "Setting hostname"
ssh "sudo hostnamectl set-hostname chilipie-kiosk"
ssh "sudo sed -i 's/raspberrypi/chilipie-kiosk/g' /etc/hosts"
# From now on, some ssh commands will exit non-0, which should be fine
set +e
working "Rebooting the Pi"
ssh "sudo reboot"
echo "Waiting for host to come back up..."
until ssh "echo OK"
until SSH_CONNECT_TIMEOUT=5 ssh "echo OK"
do
sleep 1
done
@ -130,13 +181,11 @@ ExecStart=
ExecStart=-/sbin/agetty --autologin $SUDO_USER --noclear %I \$TERM
EOF
)"
ssh "sudo systemctl set-default multi-user.target"
# Set auto-login for TTY's 1-3
ssh "sudo mkdir -p /etc/systemd/system/getty@tty1.service.d && sudo touch /etc/systemd/system/getty@tty1.service.d/autologin.conf && sudo echo '$AUTOLOG' | sudo tee /etc/systemd/system/getty@tty1.service.d/autologin.conf"
ssh "sudo mkdir -p /etc/systemd/system/getty@tty2.service.d && sudo touch /etc/systemd/system/getty@tty2.service.d/autologin.conf && sudo echo '$AUTOLOG' | sudo tee /etc/systemd/system/getty@tty2.service.d/autologin.conf"
ssh "sudo mkdir -p /etc/systemd/system/getty@tty3.service.d && sudo touch /etc/systemd/system/getty@tty3.service.d/autologin.conf && sudo echo '$AUTOLOG' | sudo tee /etc/systemd/system/getty@tty3.service.d/autologin.conf"
# Set auto-login for TTY's 1-3
ssh "sudo ln -fs /etc/systemd/system/getty@.service /etc/systemd/system/getty.target.wants/getty@tty1.service"
ssh "sudo ln -fs /etc/systemd/system/getty@.service /etc/systemd/system/getty.target.wants/getty@tty2.service"
ssh "sudo ln -fs /etc/systemd/system/getty@.service /etc/systemd/system/getty.target.wants/getty@tty3.service"
@ -157,7 +206,7 @@ ssh "sudo apt-get update && sudo apt-get install -y vim matchbox-window-manager
working "Setting home directory default content"
ssh "rm -rfv /home/pi/*"
scp $(find ../home -type file)
scp $(find ../home -type f)
working "Setting splash screen background"
ssh "sudo rm /usr/share/plymouth/themes/pix/splash.png && sudo ln -s /home/pi/background.png /usr/share/plymouth/themes/pix/splash.png"
@ -171,6 +220,10 @@ ssh "sudo reboot"
question "Once the Pi has rebooted into Chromium:"
echo "* Tell Chromium we don't want to sign in"
echo "* Configure Chromium to start \"where you left off\""
echo " * F11 to exit full screen"
echo " * Alt + F, then S to go to Settings"
echo " * Type \"continue\" to filter the options"
echo " * Tab to select \"Continue where you left off\""
echo "* Navigate to \"file:///home/pi/first-boot.html\""
echo "(press enter when ready)"
read
@ -193,12 +246,11 @@ ssh "(echo > .ssh/authorized_keys) && sudo systemctl disable ssh && sudo shutdow
question "Eject the SD card from the Pi, and mount it back to this computer (press enter when ready)"
read
working "Figuring out SD card device"
# We do this again now just to be safe
diskutil list
DISK="$(diskutil list | grep /dev/ | grep external | grep physical | cut -d ' ' -f 1 | head -n 1)"
working "Figuring out SD card device"
figureOutSdCard
question "Based on the above, SD card determined to be \"$DISK\" (should be e.g. \"/dev/disk2\"), press enter to continue"
question "Based on the above, SD card determined to be \"$DISK\" (should be e.g. \"$DISK_SAMPLE\"), press enter to continue"
read
working "Making boot quieter (part 1)" # https://scribles.net/customizing-boot-up-screen-on-raspberry-pi/
@ -216,13 +268,13 @@ cat "$BOOT_CMDLINE_TXT" \
mv temp "$BOOT_CMDLINE_TXT"
working "Safely unmounting the card"
diskutil unmountDisk "$DISK"
unmountSdCard
working "Dumping the image from the card"
cd ..
echo "This may take a long time"
echo "You may be prompted for your password by sudo"
sudo dd bs=1m count="$SD_SIZE_SAFE" if="$DISK" of="chilipie-kiosk-$TAG.img"
sudo dd bs="$SD_DD_BS" count="$SD_SIZE_SAFE" if="$DISK" of="chilipie-kiosk-$TAG.img" "$SD_DD_PROGRESS"
working "Compressing image"
COPYFILE_DISABLE=1 tar -zcvf chilipie-kiosk-$TAG.img.tar.gz chilipie-kiosk-$TAG.img