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|
#!/bin/bash
# Library to install software on Raspbian ARM through QEMU
#
# Copyleft 2017 by Ignacio Nunez Hernanz <nacho _a_t_ ownyourbits _d_o_t_ com>
# GPL licensed (see end of file) * Use at your own risk!
#
# More at ownyourbits.com
#
DBG=x
# $IMG is the source image
# $IP is the IP of the QEMU images
# $IMGOUT will contain the name of the generated image
function launch_install_qemu()
{
local IMG=$1
local IP=$2
[[ "$IP" == "" ]] && { echo "usage: launch_install_qemu <img> <IP>"; return 1; }
test -f "$IMG" || { echo "input file $IMG not found"; return 1; }
IMGOUT="$IMG-$( date +%s )"
cp --reflink=auto -v "$IMG" "$IMGOUT" || return 1
pgrep qemu-system-arm &>/dev/null && { echo -e "QEMU instance already running. Abort..."; return 1; }
launch_qemu "$IMGOUT" &
sleep 10
wait_SSH "$IP"
launch_installation_qemu "$IP" || return 1 # uses $INSTALLATION_CODE
wait
echo "$IMGOUT generated successfully"
}
function launch_qemu()
{
local IMG=$1
test -f "$1" || { echo "Image $IMG not found"; return 1; }
test -d qemu-raspbian-network || git clone https://github.com/nachoparker/qemu-raspbian-network.git
sed -i '30s/NO_NETWORK=1/NO_NETWORK=0/' qemu-raspbian-network/qemu-pi.sh
sed -i '35s/NO_GRAPHIC=0/NO_GRAPHIC=1/' qemu-raspbian-network/qemu-pi.sh
echo "Starting QEMU image $IMG"
( cd qemu-raspbian-network && sudo ./qemu-pi.sh ../"$IMG" 2>/dev/null )
}
function ssh_pi()
{
local IP=$1
local ARGS=${@:2}
local PIUSER=${PIUSER:-pi}
local PIPASS=${PIPASS:-raspberry}
local SSH=( ssh -q -o UserKnownHostsFile=/dev/null\
-o StrictHostKeyChecking=no\
-o ServerAliveInterval=20\
-o ConnectTimeout=20\
-o LogLevel=quiet )
type sshpass &>/dev/null && local SSHPASS=( sshpass -p$PIPASS )
if [[ "${SSHPASS[@]}" == "" ]]; then
${SSH[@]} ${PIUSER}@$IP $ARGS;
else
${SSHPASS[@]} ${SSH[@]} ${PIUSER}@$IP $ARGS
local RET=$?
[[ $RET -eq 5 ]] && { ${SSH[@]} ${PIUSER}@$IP $ARGS; return $?; }
return $RET
fi
}
function wait_SSH()
{
local IP=$1
echo "Waiting for SSH to be up on $IP..."
while true; do
ssh_pi "$IP" : && break
sleep 1
done
echo "SSH is up"
}
function launch_installation()
{
local IP=$1
[[ "$INSTALLATION_CODE" == "" ]] && { echo "Need to run config first" ; return 1; }
[[ "$INSTALLATION_STEPS" == "" ]] && { echo "No installation instructions"; return 1; }
local PREINST_CODE="
set -e$DBG
sudo su
set -e$DBG
"
echo "Launching installation"
echo -e "$PREINST_CODE\n$INSTALLATION_CODE\n$INSTALLATION_STEPS" | ssh_pi "$IP" || { echo "Installation to $IP failed" && return 1; }
}
function launch_installation_qemu()
{
local IP=$1
[[ "$NO_CFG_STEP" != "1" ]] && local CFG_STEP=configure
[[ "$NO_CLEANUP" != "1" ]] && local CLEANUP_STEP="if [[ \$( type -t cleanup ) == function ]];then cleanup; fi"
[[ "$NO_HALT_STEP" != "1" ]] && local HALT_STEP="nohup halt &>/dev/null &"
local INSTALLATION_STEPS="
install
$CFG_STEP
$CLEANUP_STEP
$HALT_STEP
"
launch_installation "$IP" # uses $INSTALLATION_CODE
}
function launch_installation_online()
{
local IP=$1
[[ "$NO_CFG_STEP" != "1" ]] && local CFG_STEP=configure
local INSTALLATION_STEPS="
install
$CFG_STEP
"
launch_installation "$IP" # uses $INSTALLATION_CODE
}
function prepare_dirs()
{
[[ "$CLEAN" != "" ]] && rm -rf cache
rm -rf tmp
mkdir -p tmp output cache
}
function mount_raspbian()
{
local IMG="$1"
local MP=raspbian_root
[[ -f "$IMG" ]] || { echo "no image"; return 1; }
[[ -e "$MP" ]] && { echo "$MP already exists"; return 1; }
local SECTOR=$( fdisk -l "$IMG" | grep Linux | awk '{ print $2 }' )
local OFFSET=$(( SECTOR * 512 ))
mkdir -p "$MP"
sudo mount $IMG -o offset=$OFFSET "$MP" || return 1
echo "Raspbian image mounted"
}
function mount_raspbian_boot()
{
local IMG="$1"
local MP=raspbian_boot
[[ -f "$IMG" ]] || { echo "no image"; return 1; }
[[ -e "$MP" ]] && { echo "$MP already exists"; return 1; }
local SECTOR=$( fdisk -l "$IMG" | grep FAT32 | awk '{ print $2 }' )
local OFFSET=$(( SECTOR * 512 ))
mkdir -p "$MP"
sudo mount $IMG -o offset=$OFFSET "$MP" || return 1
echo "Raspbian image mounted"
}
function umount_raspbian()
{
[[ -d raspbian_root ]] || [[ -d raspbian_boot ]] || { echo "Nothing to umount"; return 0; }
[[ -d raspbian_root ]] && { sudo umount -l raspbian_root; rmdir raspbian_root || return 1; }
[[ -d raspbian_boot ]] && { sudo umount -l raspbian_boot; rmdir raspbian_boot || return 1; }
echo "Raspbian image umounted"
}
function prepare_chroot_raspbian()
{
local IMG="$1"
mount_raspbian "$IMG" || return 1
sudo mount -t proc proc raspbian_root/proc/
sudo mount -t sysfs sys raspbian_root/sys/
sudo mount -o bind /dev raspbian_root/dev/
sudo mount -o bind /dev/pts raspbian_root/dev/pts
sudo cp /usr/bin/qemu-arm-static raspbian_root/usr/bin
# Prevent services from auto-starting
sudo bash -c "echo -e '#!/bin/sh\nexit 101' > raspbian_root/usr/sbin/policy-rc.d"
sudo chmod +x raspbian_root/usr/sbin/policy-rc.d
}
function clean_chroot_raspbian()
{
sudo rm -f raspbian_root/usr/bin/qemu-arm-static
sudo rm -f raspbian_root/usr/sbin/policy-rc.d
sudo umount -l raspbian_root/{proc,sys,dev/pts,dev}
umount_raspbian
}
# sets DEV
function resize_image()
{
local IMG="$1"
local SIZE="$2"
local DEV
echo -e "\n\e[1m[ Resize Image ]\e[0m"
fallocate -l$SIZE "$IMG"
parted "$IMG" -- resizepart 2 -1s
DEV="$( losetup -f )"
mount_raspbian "$IMG"
sudo resize2fs -f "$DEV"
echo "Image resized"
umount_raspbian
}
function update_boot_uuid()
{
local IMG="$1"
local PTUUID="$( sudo blkid -o export "$IMG" | grep PTUUID | sed 's|.*=||' )"
echo -e "\n\e[1m[ Update Raspbian Boot UUIDS ]\e[0m"
mount_raspbian "$IMG" || return 1
sudo bash -c "cat > raspbian_root/etc/fstab" <<EOF
PARTUUID=${PTUUID}-01 /boot vfat defaults 0 2
PARTUUID=${PTUUID}-02 / ext4 defaults,noatime 0 1
EOF
umount_raspbian
mount_raspbian_boot "$IMG"
sudo bash -c "sed -i 's|root=[^[:space:]]*|root=PARTUUID=${PTUUID}-02 |' raspbian_boot/cmdline.txt"
umount_raspbian
}
function prepare_sshd()
{
local IMG="$1"
mount_raspbian_boot "$IMG" || return 1
sudo touch raspbian_boot/ssh # this enables ssh
umount_raspbian
}
function set_static_IP()
{
local IMG="$1"
local IP="$2"
mount_raspbian "$IMG" || return 1
sudo bash -c "cat > raspbian_root/etc/dhcpcd.conf" <<EOF
interface eth0
static ip_address=$IP/24
static routers=192.168.0.1
static domain_name_servers=8.8.8.8
# Local loopback
auto lo
iface lo inet loopback
EOF
umount_raspbian
}
function copy_to_image()
{
local IMG=$1
local DST=$2
local SRC=${@: 3 }
mount_raspbian "$IMG" || return 1
sudo cp --reflink=auto -v "$SRC" raspbian_root/"$DST" || return 1
sync
umount_raspbian
}
function deactivate_unattended_upgrades()
{
local IMG=$1
mount_raspbian "$IMG" || return 1
sudo rm -f raspbian_root/etc/apt/apt.conf.d/20ncp-upgrades
umount_raspbian
}
function download_raspbian()
{
local IMGFILE=$1
local IMG_CACHE=cache/raspbian_lite.img
local ZIP_CACHE=cache/raspbian_lite.zip
echo -e "\n\e[1m[ Download Raspbian ]\e[0m"
mkdir -p cache
test -f $IMG_CACHE && \
echo -e "INFO: $IMG_CACHE already exists. Skipping download ..." && \
cp -v --reflink=auto $IMG_CACHE "$IMGFILE" && \
return 0
test -f "$ZIP_CACHE" && {
echo -e "INFO: $ZIP_CACHE already exists. Skipping download ..."
} || {
wget https://downloads.raspberrypi.org/raspbian_lite_latest -O "$ZIP_CACHE" || return 1
}
unzip -o "$ZIP_CACHE" && \
mv *-raspbian-*.img $IMG_CACHE && \
cp -v --reflink=auto $IMG_CACHE "$IMGFILE"
}
function pack_image()
{
local IMG="$1"
local TAR="$2"
local DIR="$( dirname "$IMG" )"
local IMGNAME="$( basename "$IMG" )"
echo -e "\n\e[1m[ Pack Image ]\e[0m"
echo "packing $IMG → $TAR"
tar -I pbzip2 -C "$DIR" -cvf "$TAR" "$IMGNAME" && \
echo -e "$TAR packed successfully"
}
function create_torrent()
{
local TAR="$1"
echo -e "\n\e[1m[ Create Torrent ]\e[0m"
[[ -f "$TAR" ]] || { echo "image $TAR not found"; return 1; }
local IMGNAME="$( basename "$TAR" .tar.bz2 )"
local DIR="torrent/$IMGNAME"
[[ -d "$DIR" ]] && { echo "dir $DIR already exists"; return 1; }
mkdir -p torrent/"$IMGNAME" && cp -v --reflink=auto "$TAR" torrent/"$IMGNAME"
md5sum "$DIR"/*.bz2 > "$DIR"/md5sum
createtorrent -a udp://tracker.opentrackr.org -p 1337 -c "NextCloudPi. Nextcloud ready to use image" "$DIR" "$DIR".torrent
}
function generate_changelog()
{
git log --graph --oneline --decorate \
--pretty=format:"[%<(13)%D](https://github.com/nextcloud/nextcloudpi/commit/%h) (%ad) %s" --date=short | \
grep 'tag: v' | \
sed '/HEAD ->\|origin/s|\[.*\(tag: v[0-9]\+\.[0-9]\+\.[0-9]\+\).*\]|[\1]|' | \
sed 's|* \[tag: |\n[|' > changelog.md
}
function upload_ftp()
{
local IMGNAME="$1"
echo -e "\n\e[1m[ Upload FTP ]\e[0m"
[[ -f torrent/"$IMGNAME"/"$IMGNAME".tar.bz2 ]] || { echo "No image file found, abort"; return 1; }
[[ "$FTPPASS" == "" ]] && { echo "No FTPPASS variable found, abort"; return 1; }
cd torrent
ftp -np ftp.ownyourbits.com <<EOF
user root@ownyourbits.com $FTPPASS
mkdir testing
mkdir testing/$IMGNAME
cd testing/$IMGNAME
binary
put $IMGNAME.torrent
bye
EOF
cd -
cd torrent/$IMGNAME
ftp -np ftp.ownyourbits.com <<EOF
user root@ownyourbits.com $FTPPASS
cd testing/$IMGNAME
binary
put $IMGNAME.tar.bz2
put md5sum
bye
EOF
cd -
}
function test_image()
{
local IMG="$1"
local IP="$2"
echo -e "\e[1m\n[ QEMU Test ]\e[0m"
[[ -f "$IMG" ]] || { echo "No image file found, abort"; return 1; }
launch_qemu "$IMG" &
sleep 10
wait_SSH "$IP"
sleep 180 # Wait for the services to start. Improve this ( wait HTTP && trusted domains )
tests/tests.py "$IP"
ssh_pi "$IP" sudo halt
wait
}
# License
#
# This script is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This script is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this script; if not, write to the
# Free Software Foundation, Inc., 59 Temple Place, Suite 330,
# Boston, MA 02111-1307 USA
|