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clover/image_builder/image_config.sh
Artem Smirnov 78cae0c69a image_builder: fix vars syntax
2018-07-25 12:55:18 +03:00

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#!/bin/bash
# Exit immidiately on non-zero result
set -e
#
# Script for image configure
# @urpylka Artem Smirnov
# @dvornikov-aa Andrey Dvornikov
#
get_image() {
# STATIC FUNCTION
# TEMPLATE: get_image $BUILD_DIR $RPI_DONWLOAD_URL $IMAGE_NAME
local RPI_ZIP_NAME=$(basename $2)
if [ ! -e "$1/${RPI_ZIP_NAME}" ];
then
echo "$(date) | 1. Downloading original Linux distribution"
wget -nv -O $1/${RPI_ZIP_NAME} $2
echo "$(date) | Downloading complete"
else
echo "$(date) | 1. Linux distribution already donwloaded"
fi
echo "$(date) | 2. Unzipping Linux distribution image"
local RPI_IMAGE_NAME=$(echo ${RPI_ZIP_NAME} | sed 's/zip/img/')
unzip -p $1/${RPI_ZIP_NAME} ${RPI_IMAGE_NAME} > $1/$3
echo "$(date) | Unzipping complete"
}
resize_fs() {
# STATIC FUNCTION
# TEMPLATE: resize_fs $IMAGE_PATH $SIZE
# Partitions numbers
local BOOT_PARTITION=1
local ROOT_PARTITION=2
set +e
# https://ru.wikipedia.org/wiki/%D0%A0%D0%B0%D0%B7%D1%80%D0%B5%D0%B6%D1%91%D0%BD%D0%BD%D1%8B%D0%B9_%D1%84%D0%B0%D0%B9%D0%BB
# https://raspberrypi.stackexchange.com/questions/13137/how-can-i-mount-a-raspberry-pi-linux-distro-image
# fdisk -l 2017-11-29-raspbian-stretch-lite.img
# https://www.stableit.ru/2011/05/losetup.html
# -f : losetup сам выбрал loop (минуя занятые)
# -P : losetup монтирует разделы в образе как отдельные подразделы,
# например /dev/loop0p1 и /dev/loop0p2
# --show : печатает имя устройства, например /dev/loop4
# http://karelzak.blogspot.ru/2015/05/resize-by-sfdisk.html
# ", +" : expand partition for volume size
# -N 2 : select second partition for work
# There is a risk that sfdisk will ask for a disk remount to update partition table
# TODO: Check sfdisk exit code
echo -e "\033[0;31m\033[1mTruncate image\033[0m\033[0m" \
&& truncate -s$2 $1 \
&& echo "Mount loop-image: $1" \
&& local DEV_IMAGE=$(losetup -Pf $1 --show) \
&& sleep 0.5 \
&& echo -e "\033[0;31m\033[1mMount loop-image: $1\033[0m\033[0m" \
&& echo ", +" | sfdisk -N ${ROOT_PARTITION} ${DEV_IMAGE} \
&& sleep 0.5 \
&& losetup -d ${DEV_IMAGE} \
&& sleep 0.5 \
&& local DEV_IMAGE=$(losetup -Pf $1 --show) \
&& sleep 0.5 \
&& echo -e "\033[0;31m\033[1mCheck & repair filesystem after expand partition\033[0m\033[0m" \
&& e2fsck -fvy "${DEV_IMAGE}p${ROOT_PARTITION}" \
&& echo -e "\033[0;31m\033[1mExpand filesystem\033[0m\033[0m" \
&& resize2fs "${DEV_IMAGE}p${ROOT_PARTITION}" \
&& echo -e "\033[0;31m\033[1mUmount loop-image\033[0m\033[0m" \
&& losetup -d ${DEV_IMAGE}
set -e
}
mount_system() {
# STATIC FUNCTION
# TEMPLATE: mount_system $IMAGE
# Partitions numbers
local BOOT_PARTITION=1
local ROOT_PARTITION=2
# https://www.stableit.ru/2011/05/losetup.html
# -f : losetup выбирает незанятое имя устройства, например /dev/loop2
# -P : losetup монтирует разделы в образе как отдельные подразделы,
# например /dev/loop0p1 и /dev/loop0p2
# --show : печатает имя устройства, например /dev/loop4
echo -e "\033[0;31m\033[1mMount loop-image: $1\033[0m\033[0m"
local DEV_IMAGE=$(losetup -Pf $1 --show)
sleep 0.5
# Get temp directory to mount image
local MOUNT_POINT=$(mktemp -d)
echo -e "\033[0;31m\033[1mMount dirs ${MOUNT_POINT} & ${MOUNT_POINT}/boot\033[0m\033[0m"
mount "${DEV_IMAGE}p${ROOT_PARTITION}" ${MOUNT_POINT}
mount "${DEV_IMAGE}p${BOOT_PARTITION}" ${MOUNT_POINT}/boot
echo -e "\033[0;31m\033[1mBind system dirs\033[0m\033[0m"
# https://github.com/debian-pi/raspbian-ua-netinst/issues/314
echo "Mounting /proc in chroot... "
if [ ! -d ${MOUNT_POINT}/proc ] ; then
mkdir -p ${MOUNT_POINT}/proc \
&& echo "Created ${MOUNT_POINT}/proc"
fi
mount -t proc -o nosuid,noexec,nodev proc ${MOUNT_POINT}/proc \
&& echo "OK"
echo "Mounting /sys in chroot... "
if [ ! -d ${MOUNT_POINT}/sys ] ; then
mkdir -p ${MOUNT_POINT}/sys \
&& echo "Created ${MOUNT_POINT}/sys"
fi
mount -t sysfs -o nosuid,noexec,nodev sysfs ${MOUNT_POINT}/sys \
&& echo "OK"
echo "Mounting /dev/ and /dev/pts in chroot... " \
&& mkdir -p -m 755 ${MOUNT_POINT}/dev/pts \
&& mount -t devtmpfs -o mode=0755,nosuid devtmpfs ${MOUNT_POINT}/dev \
&& mount -t devpts -o gid=5,mode=620 devpts ${MOUNT_POINT}/dev/pts \
&& echo "OK"
# mount -t devpts none "${MOUNT_POINT}/dev/pts" -o ptmxmode=0666,newinstance
# ln -fs "pts/ptmx" "${MOUNT_POINT}/dev/ptmx"
# mount -o bind /dev ${MOUNT_POINT}/dev
# mount -t proc proc ${MOUNT_POINT}/proc
# mount -t devpts devpts ${MOUNT_POINT}/dev/pts
# mount -t proc proc ${MOUNT_POINT}/proc
# mount -t sysfs sys ${MOUNT_POINT}/sys
# mount --bind /dev ${MOUNT_POINT}/dev
echo -e "\033[0;31m\033[1mCopy DNS records\033[0m\033[0m" \
&& cp -L /etc/resolv.conf ${MOUNT_POINT}/etc/resolv.conf
# https://wiki.archlinux.org/index.php/Change_root_(%D0%A0%D1%83%D1%81%D1%81%D0%BA%D0%B8%D0%B9)
# http://www.unix-lab.org/posts/chroot/
# https://habrahabr.ru/post/141012/
# https://losst.ru/vosstanovlenie-grub2
# http://unixteam.ru/content/virtualizaciya-ili-zapuskaem-prilozhenie-v-chroot-okruzhenii-razmyshleniya
# http://help.ubuntu.ru/wiki/%D0%B2%D0%BE%D1%81%D1%81%D1%82%D0%B0%D0%BD%D0%BE%D0%B2%D0%BB%D0%B5%D0%BD%D0%B8%D0%B5_grub
echo -e "\033[0;31m\033[1mEnter chroot\033[0m\033[0m" \
&& chroot ${MOUNT_POINT} /bin/bash
umount_system ${MOUNT_POINT} ${DEV_IMAGE}
}
execute() {
# STATIC FUNCTION
# TEMPLATE: execute $IMAGE $EXECUTE_FILE ...
# Partitions numbers
local BOOT_PARTITION=1
local ROOT_PARTITION=2
echo -e "\033[0;31m\033[1mMount loop-image: $1\033[0m\033[0m"
local DEV_IMAGE=$(losetup -Pf $1 --show)
sleep 0.5
# Get temp directory to mount image
local MOUNT_POINT=$(mktemp -d)
echo -e "\033[0;31m\033[1mMount dirs ${MOUNT_POINT} & ${MOUNT_POINT}/boot\033[0m\033[0m"
mount "${DEV_IMAGE}p${ROOT_PARTITION}" ${MOUNT_POINT}
mount "${DEV_IMAGE}p${BOOT_PARTITION}" ${MOUNT_POINT}/boot
echo -e "\033[0;31m\033[1mBind system dirs\033[0m\033[0m"
echo "Mounting /proc in chroot... "
if [ ! -d ${MOUNT_POINT}/proc ] ; then
mkdir -p ${MOUNT_POINT}/proc
echo "Created ${MOUNT_POINT}/proc"
fi
mount -t proc -o nosuid,noexec,nodev proc ${MOUNT_POINT}/proc \
&& echo "OK"
echo "Mounting /sys in chroot... "
if [ ! -d ${MOUNT_POINT}/sys ] ; then
mkdir -p ${MOUNT_POINT}/sys
echo "Created ${MOUNT_POINT}/sys"
fi
mount -t sysfs -o nosuid,noexec,nodev sysfs ${MOUNT_POINT}/sys \
&& echo "OK"
echo "Mounting /dev/ and /dev/pts in chroot... " \
&& mkdir -p -m 755 ${MOUNT_POINT}/dev/pts \
&& mount -t devtmpfs -o mode=0755,nosuid devtmpfs ${MOUNT_POINT}/dev \
&& mount -t devpts -o gid=5,mode=620 devpts ${MOUNT_POINT}/dev/pts \
&& echo "OK"
echo -e "\033[0;31m\033[1mCopy DNS records\033[0m\033[0m" \
&& cp -L /etc/resolv.conf ${MOUNT_POINT}/etc/resolv.conf
echo -e "\033[0;31m\033[1m$(date) | Enter chroot\033[0m\033[0m"
local script_name=$(basename $2)
local script_path_root="${MOUNT_POINT}/root/${script_name}"
# Copy script into chroot fs
# TODO: Find more suitable location for temporary script storage
cp "$2" "${script_path_root}"
# Its important to save arguments (direct ${@:4} causes problems)
script_args="${@:3}"
# Run script in chroot with additional arguments
chroot ${MOUNT_POINT} /bin/sh -c "/root/${script_name} ${script_args}"
# Removing script from chroot fs
rm "${script_path_root}"
umount_system ${MOUNT_POINT} ${DEV_IMAGE}
}
copy_to_chroot() {
# STATIC FUNCTION
# TEMPLATE: copy_to_chroot $IMAGE $MOVE_FILE $MOVE_TO
# Partitions numbers
local BOOT_PARTITION=1
local ROOT_PARTITION=2
echo -e "\033[0;31m\033[1mMount loop-image: $1\033[0m\033[0m"
local DEV_IMAGE=$(losetup -Pf $1 --show)
sleep 0.5
# Get temp directory to mount image
local MOUNT_POINT=$(mktemp -d)
echo -e "\033[0;31m\033[1mMount dirs ${MOUNT_POINT} & ${MOUNT_POINT}/boot\033[0m\033[0m"
mount "${DEV_IMAGE}p${ROOT_PARTITION}" ${MOUNT_POINT}
mount "${DEV_IMAGE}p${BOOT_PARTITION}" ${MOUNT_POINT}/boot
echo -e "\033[0;31m\033[1m$(date) | Enter chroot\033[0m\033[0m"
file_name=$(basename $2)
file_path_root="${MOUNT_POINT}$3/${file_name}"
# Copy script into chroot fs
# TODO: Find more suitable location for temporary script storage
if [ ! -d ${file_path_root} ] ; then
mkdir -p ${file_path_root} \
&& echo "Created ${file_path_root}"
fi
cp "$2" "${file_path_root}"
umount_system ${MOUNT_POINT} ${DEV_IMAGE}
}
umount_system() {
# STATIC FUNCTION
# TEMPLATE: umount_system $MOUNT_POINT $DEV_IMAGE
echo -e "\033[0;31m\033[1m$(date) | Umount recursive dirs: $1\033[0m\033[0m"
# There is a risk that umount will fail
set +e
# Successfull unmount flag (false at thismoment)
umount_ok=false
# Repeat 5 times
for i in {1..5}
do
# Unmount chroot rootfs and boot partition
umount -fR $1
# If no problems detected
if [[ $? == 0 ]]
then
echo -e "\033[0;31m\033[1m$(date) | Successfull unmount\033[0m\033[0m"
# Set flag
umount_ok=true
# Exit loop
break
fi
# Unmount has failed
echo -e "\033[0;31m\033[1m$(date) | Unmount failed\033[0m\033[0m"
# Wait for some time
sleep 2
done
set -e
# Jenkins job will fail if this condition is not true
[[ "$umount_ok" == true ]]
echo -e "\033[0;31m\033[1m$(date) | Umount loop-image\033[0m\033[0m"
#losetup -d $DEV_IMAGE
losetup -d $2
}
publish_image() {
# STATIC FUNCTION
# TEMPLATE: publish_image_bash $BUILD_DIR $IMAGE_NAME $YA_SCRIPT $CONFIG_FILE $RELEASE_ID $RELEASE_BODY
# https://developer.github.com/v3/repos/releases/
#RELEASE_BODY="### Changelog\n* Add /boot/cmdline.txt net.ifnames=0 https://www.freedesktop.org/wiki/Software/systemd/PredictableNetworkInterfaceNames/\n* Updated cophelper\n* Installed copstat"
echo -e "\033[0;31m\033[1m$(date) | Zip image\033[0m\033[0m"
if [ ! -e "$1/$2.zip" ];
then
cd $1 && zip $2.zip $2
echo -e "\033[0;31m\033[1m$(date) | Zipping complete!\033[0m\033[0m"
else
echo -e "\033[0;31m\033[1m$(date) | Zip-archive already created\033[0m\033[0m"
cd $1 && rm $2.zip && zip $2.zip $2
echo -e "\033[0;31m\033[1m$(date) | Old archive was deleted & create new\033[0m\033[0m"
fi
echo -e "\033[0;31m\033[1m$(date) | Upload image\033[0m\033[0m"
local IMAGE_LINK=$($3 $4 $1/$2.zip)
echo -e "\033[0;31m\033[1m$(date) | Upload copmlete!\033[0m\033[0m"
echo -e "\033[0;31m\033[1m$(date) | Meashure size of zip-image\033[0m\033[0m"
local IMAGE_SIZE=$(du -sh $1/$2.zip | awk '{ print $1 }')
echo -e "\033[0;31m\033[1m$(date) | Meashuring copmlete!\033[0m\033[0m"
echo -e "\033[0;31m\033[1m$(date) | Meashure hash-sum of zip-image\033[0m\033[0m"
local IMAGE_HASH=$(sha256sum $1/$2.zip | awk '{ print $1 }')
echo -e "\033[0;31m\033[1m$(date) | Meashuring copmlete!\033[0m\033[0m"
echo ""
echo "\$6: $6"
echo ""
echo -e "\033[0;31m\033[1m$(date) | Post message to GH\033[0m\033[0m"
local NEW_RELEASE_BODY="### Download\n* [$2.zip]($IMAGE_LINK) ($IMAGE_SIZE)\nsha256: $IMAGE_HASH\n\n$6"
local DATA="{ \"body\":\"$NEW_RELEASE_BODY\" }"
echo ""
echo "\$DATA: $DATA"
echo ""
local GH_LOGIN=$(cat $4 | jq '.github.login' -r)
local GH_PASS=$(cat $4 | jq '.github.password' -r)
local GH_URL=$(cat $4 | jq '.github.url' -r)
curl -d "$DATA" -u "$GH_LOGIN:$GH_PASS" --request PATCH $GH_URL$5
echo -e "\033[0;31m\033[1m$(date) | Post message to GH copmlete!\033[0m\033[0m"
}
if [ $(whoami) != "root" ];
then echo "" \
&& echo "********************************************************************" \
&& echo "******************** This should be run as root ********************" \
&& echo "********************************************************************" \
&& echo "" \
&& exit 1
fi
echo "\$#: $#"
echo "\$1: $1"
echo "\$2: $2"
echo "\$3: $3"
echo "\$4: $4"
echo "\$5: $5"
echo "\$6: $6"
echo "\$7: $7"
case "$1" in
mount_system)
# mount_system $IMAGE
mount_system $2;;
get_image)
# get_image $BUILD_DIR $RPI_DONWLOAD_URL $IMAGE_NAME
get_image $2 $3 $4;;
resize_fs)
# resize_fs $IMAGE_PATH $SIZE
resize_fs $2 $3;;
publish_image)
# publish_image $BUILD_DIR $IMAGE_NAME $YA_SCRIPT $CONFIG_FILE $RELEASE_ID $RELEASE_BODY
publish_image $2 $3 $4 $5 $6 "$7";;
execute)
# execute $IMAGE $EXECUTE_FILE ...
execute $2 $3 ${@:4};;
copy_to_chroot)
# copy_to_chroot $IMAGE $MOVE_FILE $MOVE_TO
copy_to_chroot $2 $3 $4;;
*)
echo "Enter one of: mount_system, get_image, resize_fs, publish_image, execute";;
esac
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