From f96c231ec6adc243218b8b3032e629d7abf0f7b5 Mon Sep 17 00:00:00 2001
From: Huan Truong <htruong@tnhh.net>
Date: Sat, 24 Feb 2018 19:45:29 -0500
Subject: [PATCH] [import] Initial import with changes from ezpi4me

---
 make-crankshaft.sh                     | 210 +++++++++++++++++++++++++
 precompiled/autoapp.service            |  13 ++
 precompiled/autoapp_brightness.service |  13 ++
 precompiled/brightness_max.sh          |   5 +
 precompiled/openauto.rules             |   1 +
 scripts/customize-image-pi.sh          |  63 ++++++++
 6 files changed, 305 insertions(+)
 create mode 100755 make-crankshaft.sh
 create mode 100644 precompiled/autoapp.service
 create mode 100644 precompiled/autoapp_brightness.service
 create mode 100755 precompiled/brightness_max.sh
 create mode 100644 precompiled/openauto.rules
 create mode 100755 scripts/customize-image-pi.sh

diff --git a/make-crankshaft.sh b/make-crankshaft.sh
new file mode 100755
index 00000000..c7d2a246
--- /dev/null
+++ b/make-crankshaft.sh
@@ -0,0 +1,210 @@
+#!/bin/bash
+
+# ezpi4me - Raspberry Pi ME Cleaner image creation script
+# Written by Huan Truong <htruong@tnhh.net>, 2018
+# This script is licensed under GNU Public License v3
+
+IMAGE_FILE=2017-11-29-raspbian-stretch-lite.zip
+IMAGE_FILE_UNZIPPED=2017-11-29-raspbian-stretch-lite.img
+TODAY_EXT=$(date +"%Y-%m-%d")
+IMAGE_FILE_CUSTOMIZED=crankshaft-${TODAY_EXT}.img
+IMAGE_URL=http://downloads.raspberrypi.org/raspbian_lite/images/raspbian_lite-2017-12-01/2017-11-29-raspbian-stretch-lite.zip
+IMAGE_SIZE_RAW=1858076672
+IMAGE_ROOTPART_START=94208
+TEMP_CHROOT_DIR=/mnt/raspbian-temp
+
+
+#########################################################
+# Support functions
+#########################################################
+
+bail_and_cleanup() {
+    kpartx -d $1 
+    # rm $2
+}
+
+check_command_ok() {
+    if ! [ -x "$(command -v $1)" ]; then
+        echo 'Error: $1 is not installed. Please install it.' >&2
+        exit 1
+    fi
+}
+
+check_root() {
+    # make sure we're root
+    if [ "$EUID" -ne 0 ]; then 
+        echo "Please run this script as using sudo/as root, otherwise it can't continue."
+        exit
+    fi
+}
+
+check_dependencies() {
+    check_command_ok kpartx
+    # check_command_ok parted
+    check_command_ok qemu-arm-static
+    check_command_ok chroot
+}
+
+get_unzip_image() {
+    #get raspberry image
+    if [ -f ${IMAGE_FILE} ]; then
+        echo "Image file ${IMAGE_FILE} is already here, skip download. To re-download, please remove it."
+    else
+        wget -O${IMAGE_FILE} ${IMAGE_URL}
+    fi
+    if ! [ -f ${IMAGE_FILE_UNZIPPED} ]; then
+        unzip ${IMAGE_FILE}
+    fi
+    if ! [ -f ${IMAGE_FILE_CUSTOMIZED} ]; then
+    	echo "Copying a big file..."
+    	cp ${IMAGE_FILE_UNZIPPED} ${IMAGE_FILE_CUSTOMIZED}
+    else
+	echo "Skipping creation of ${IMAGE_FILE_CUSTOMIZED}, it's already there. To re-create, delete it."
+    fi
+}
+
+resize_raw_image() {
+    IMAGE_SIZE_ACTUAL=$(wc -c < "${IMAGE_FILE_CUSTOMIZED}")
+    if [ ${IMAGE_SIZE_ACTUAL} -gt ${IMAGE_SIZE_RAW} ]; then
+        echo "Image seems already resized, or something is wrong."
+        echo "If the image doesn't work, try removing the .img and try again."
+        return
+    fi
+    echo "Resizing image"
+    
+    #resize image
+    dd if=/dev/zero bs=1M count=512 >> ${IMAGE_FILE_CUSTOMIZED}
+    
+    PART_NUM=2
+    
+    fdisk ${IMAGE_FILE_CUSTOMIZED} <<EOF
+p
+d
+$PART_NUM
+n
+p
+$PART_NUM
+$IMAGE_ROOTPART_START
+
+p
+w
+EOF
+
+}
+
+set_up_loopdevs() {
+    # mount the resized partition
+    kpartx -v -a ${IMAGE_FILE_CUSTOMIZED} | tee /tmp/kpartx-output.txt
+    LOOPPARTSID=`cat /tmp/kpartx-output.txt | head -n1 | sed 's/add map //' | cut -f1 -d' ' | sed 's/p1$//'`
+
+    #echo "-- LoopFS setup --\n${LOOPPARTSRET}"
+    echo "The loop device is ${LOOPPARTSID}"
+    sync
+    sleep 2
+
+    # it should have two partitions at /dev/mapper
+    if ! [ -L /dev/mapper/${LOOPPARTSID}p1 ]; then
+        echo "Couldn't find the loopdev partitions at /dev/mapper/${LOOPPARTSID}p1!"
+        bail_and_cleanup /dev/${LOOPPARTSID} ${IMAGE_FILE_CUSTOMIZED}
+        exit 1
+    fi
+
+    echo "Found the loopdev partitions at /dev/mapper/${LOOPPARTSID}!"
+    LOOPDEVPARTS=/dev/mapper/${LOOPPARTSID}
+
+    e2fsck -f ${LOOPDEVPARTS}p2
+
+    resize2fs ${LOOPDEVPARTS}p2
+
+    e2fsck -f ${LOOPDEVPARTS}p2
+
+    mount_chroot_dirs ${LOOPDEVPARTS} ${LOOPPARTSID}
+    
+    # now we should have a 
+    
+    # ld.so.preload fix
+    sed -i 's/^/#CHROOT /g' ${TEMP_CHROOT_DIR}/etc/ld.so.preload
+
+    # copy qemu binary
+    cp `which qemu-arm-static` ${TEMP_CHROOT_DIR}/usr/bin/
+
+    # copy all the binaries and startup scripts
+    mkdir ${TEMP_CHROOT_DIR}/usr/local/
+    mkdir ${TEMP_CHROOT_DIR}/usr/local/bin/
+    mkdir ${TEMP_CHROOT_DIR}/usr/local/sbin/
+    mkdir ${TEMP_CHROOT_DIR}/usr/local/lib/
+    cp precompiled/autoapp ${TEMP_CHROOT_DIR}/usr/local/bin/
+    cp precompiled/libaasdk.so ${TEMP_CHROOT_DIR}/usr/local/lib/
+    tar -xvf precompiled/libQt5_OpenGLES2.tar.xz -C ${TEMP_CHROOT_DIR}/
+
+    cp precompiled/brightness_max.sh ${TEMP_CHROOT_DIR}/usr/local/sbin/
+
+    cp precompiled/autoapp.service ${TEMP_CHROOT_DIR}/etc/systemd/system/
+    cp precompiled/autoapp_brightness.service ${TEMP_CHROOT_DIR}/etc/systemd/system/
+
+    cp precompiled/openauto.rules ${TEMP_CHROOT_DIR}/etc/udev/rules.d/
+
+    # copy the customizer script
+    cp scripts/customize-image-pi.sh ${TEMP_CHROOT_DIR}/root/
+
+    sync
+    sleep 1
+    
+    # phew, customize it
+    chroot ${TEMP_CHROOT_DIR} /bin/bash /root/customize-image-pi.sh
+    #chroot ${TEMP_CHROOT_DIR} /bin/bash
+    
+    # undo ld.so.preload fix
+    sed -i 's/^#CHROOT //g' ${TEMP_CHROOT_DIR}/etc/ld.so.preload
+    
+    umount_chroot_dirs
+    umount_loop_dev /dev/${LOOPPARTSID}
+
+    echo "If you reach here, it means the image is ready. :)"
+
+}
+
+
+mount_chroot_dirs() {
+    echo "Mounting CHROOT directories"
+    mkdir -p ${TEMP_CHROOT_DIR}
+    
+    mount -o rw ${1}p2 ${TEMP_CHROOT_DIR}
+    mount -o rw ${1}p1 ${TEMP_CHROOT_DIR}/boot
+
+    # mount binds
+    mount --bind /dev ${TEMP_CHROOT_DIR}/dev/
+    mount --bind /sys ${TEMP_CHROOT_DIR}/sys/
+    mount --bind /proc ${TEMP_CHROOT_DIR}/proc/
+    mount --bind /dev/pts ${TEMP_CHROOT_DIR}/dev/pts
+
+    if  ! [ -f ${TEMP_CHROOT_DIR}/etc/ld.so.preload ]; then
+        echo "I didn't see ${TEMP_CHROOT_DIR}/etc/ folder. Bailing!"
+        umount_chroot_dirs
+        umount_loop_dev /dev/$2
+        exit 1
+    fi
+    
+}
+
+umount_chroot_dirs() {
+    umount ${TEMP_CHROOT_DIR}/{dev/pts,dev,sys,proc,boot,}
+    sync
+}
+
+umount_loop_dev() {
+    kpartx -d $1
+}
+
+#########################################################
+
+
+check_dependencies
+check_root
+get_unzip_image
+resize_raw_image
+set_up_loopdevs
+
+
+
+
diff --git a/precompiled/autoapp.service b/precompiled/autoapp.service
new file mode 100644
index 00000000..2751bb6d
--- /dev/null
+++ b/precompiled/autoapp.service
@@ -0,0 +1,13 @@
+[Unit]
+Description=Android Auto Headunit
+
+[Service]
+Type=simple
+User=pi
+WorkingDirectory=/home/pi
+ExecStart=/usr/local/bin/autoapp
+Restart=on-abort
+
+[Install]
+WantedBy=multi-user.target
+
diff --git a/precompiled/autoapp_brightness.service b/precompiled/autoapp_brightness.service
new file mode 100644
index 00000000..3d1f1c8d
--- /dev/null
+++ b/precompiled/autoapp_brightness.service
@@ -0,0 +1,13 @@
+[Unit]
+Description=Android Auto Headunit Brightness
+
+[Service]
+Type=simple
+User=root
+WorkingDirectory=/home/pi
+ExecStart=/usr/local/sbin/brightness_max.sh
+Restart=on-abort
+
+[Install]
+WantedBy=multi-user.target
+
diff --git a/precompiled/brightness_max.sh b/precompiled/brightness_max.sh
new file mode 100755
index 00000000..8c00a941
--- /dev/null
+++ b/precompiled/brightness_max.sh
@@ -0,0 +1,5 @@
+#!/bin/bash
+
+echo 255 > /sys/class/backlight/rpi_backlight/brightness
+
+exit 0
diff --git a/precompiled/openauto.rules b/precompiled/openauto.rules
new file mode 100644
index 00000000..3c27e9ad
--- /dev/null
+++ b/precompiled/openauto.rules
@@ -0,0 +1 @@
+SUBSYSTEM=="usb", ATTR{idVendor}=="*", ATTR{idProduct}=="*", MODE="0660", GROUP="plugdev"
diff --git a/scripts/customize-image-pi.sh b/scripts/customize-image-pi.sh
new file mode 100755
index 00000000..7e7556b4
--- /dev/null
+++ b/scripts/customize-image-pi.sh
@@ -0,0 +1,63 @@
+#!/bin/bash
+
+# crankshaft
+
+# adapted from Raspberry Pi ME Cleaner image customization script
+# Written by Huan Truong <htruong@tnhh.net>, 2018
+# This script is licensed under GNU Public License v3
+
+###############################################################################
+
+print_banner() {
+    echo "---- WELCOME TO THE RASPBERRY PI IMAGE CUSTOMIZER --------------"
+    sleep 1
+    echo " Congratulations, we have gone a long way."
+    sleep 1
+    echo " I will prepare some software for you, sit tight."
+    sleep 1
+    echo ""
+    echo ""
+    echo ""
+}
+
+get_deps() {
+    apt update
+    #apt upgrade
+    apt install -y libprotobuf10 libpulse0 libboost-log1.62.0 libboost-test1.62.0 libboost-thread1.62.0 libboost-date-time1.62.0 libboost-chrono1.62.0 libboost-atomic1.62.0 libpulse-mainloop-glib0 libfontconfig1 pulseaudio
+    #update raspi firmware
+    SKIP_WARNING=1 rpi-update
+}
+
+mark_script_run() {
+    touch /etc/customizer_done
+}
+
+house_keeping() {
+    # make sure everything has the right owner
+    chown -R root:staff /usr/local/
+    chown root:staff /etc/systemd/system/autoapp.service
+    chown root:staff /etc/systemd/system/autoapp_brightness.service
+    chown root:staff /etc/udev/rules.d/openauto.rules
+
+    # enable the startup actions
+    systemctl enable autoapp.service
+    systemctl enable autoapp_brightness.service
+}
+
+
+###############################################################################
+
+if [ -f /etc/customizer_done ]; then
+    echo "This script has been run before. Nothing to do."
+    exit 0
+fi
+
+cd /root/ 
+
+print_banner
+
+get_deps
+
+house_keeping
+
+mark_script_run