Split firstrun and resize2fs scripts
This commit is contained in:
zador-blood-stained
parent
695d821f49
commit
ee8d396fa6
@ -140,10 +140,11 @@ install_common()
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install -m 755 $SRC/lib/scripts/resize2fs $CACHEDIR/$SDCARD/etc/init.d/
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install -m 755 $SRC/lib/scripts/firstrun $CACHEDIR/$SDCARD/etc/init.d/
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install -m 644 $SRC/lib/scripts/resize2fs.service $CACHEDIR/$SDCARD/etc/systemd/system/
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install -m 644 $SRC/lib/scripts/firstrun.service $CACHEDIR/$SDCARD/etc/systemd/system/
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# enable firstrun script
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chroot $CACHEDIR/$SDCARD /bin/bash -c "systemctl --no-reload enable firstrun.service >/dev/null 2>&1"
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chroot $CACHEDIR/$SDCARD /bin/bash -c "systemctl --no-reload enable firstrun.service resize2fs.service >/dev/null 2>&1"
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# enable verbose kernel messages on first boot
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touch $CACHEDIR/$SDCARD/boot/.verbose
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191
scripts/firstrun
191
scripts/firstrun
@ -12,12 +12,6 @@
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# starting at first time.
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### END INIT INFO
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# Immediately exit if not called by init system
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if [[ $1 != start ]]; then
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echo "Usage: $0 start" >&2
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exit 0
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fi
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. /etc/armbian-release
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. /etc/os-release
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. /lib/init/vars.sh
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@ -26,146 +20,6 @@ fi
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export PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin
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Log=/var/log/armhwinfo.log
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# create helper script to set swap settings
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cat <<-'EOF' > /tmp/create_swap.sh
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#!/bin/bash
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Log=/var/log/armhwinfo.log
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export PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin
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# update console info
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setupcon --save
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# SSH Keys creation
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rm -f /etc/ssh/ssh_host*
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read entropy_before </proc/sys/kernel/random/entropy_avail
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dpkg-reconfigure openssh-server >/dev/null 2>&1
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read entropy_after </proc/sys/kernel/random/entropy_avail
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echo -e "### [firstrun] Recreated SSH keys (entropy: ${entropy_before} ${entropy_after})" >>${Log}
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MEMTOTAL=$(( $(awk -F" " '/^MemTotal/ {print $2}' </proc/meminfo) / 1024 ))
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FREESIZE=$(df -hm / | awk '/\// {print $(NF-2)}')
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SWAPFILE=/var/swap
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if [[ ! -f $SWAPFILE && $FREESIZE -gt 132 ]]; then
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fallocate -l 128M $SWAPFILE || dd if=/dev/zero of=$SWAPFILE bs=1M count=128 status=noxfer
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chown root:root $SWAPFILE
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chmod 0600 $SWAPFILE
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mkswap $SWAPFILE >/dev/null
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swapon $SWAPFILE >/dev/null
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grep -q swap /etc/fstab || echo "$SWAPFILE none swap sw 0 0" >> /etc/fstab
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grep -q swap /etc/sysctl.conf || echo "vm.swappiness=0" >> /etc/sysctl.conf
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echo -e "\n### [firstrun] Created 128MB emergency swap as $SWAPFILE" >>${Log}
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fi
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while [[ -f /tmp/firstrun_running ]]; do sleep 1; done
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rm -f /tmp/create_swap.sh
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sync &
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EOF
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chmod +x /tmp/create_swap.sh
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do_expand_rootfs() {
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local rootpart=$(findmnt -n -o SOURCE /) # i.e. /dev/mmcblk0p1
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local rootdevice=$(lsblk -n -o PKNAME $rootpart) # i.e. mmcblk0
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local rootdevicepath="/dev/$rootdevice" # i.e. /dev/mmcblk0
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# get count of partitions and their boundaries
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local partitions=$(( $(grep -c $rootdevice /proc/partitions) - 1 ))
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local partstart=$(parted $rootdevicepath unit s print -sm | tail -1 | cut -d: -f2 | sed 's/s//') # start of first partition
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local partend=$(parted $rootdevicepath unit s print -sm | head -3 | tail -1 | cut -d: -f3 | sed 's/s//') # end of first partition
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local startfrom=$(( $partend + 1 ))
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[[ $partitions == 1 ]] && startfrom=$partstart
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echo "rootpart: $rootpart" >> $Log
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echo "rootdevice: $rootdevice" >> $Log
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echo "rootdevicepath: $rootdevicepath" >> $Log
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echo "partitions: $partitions" >> $Log
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# check whether a resizing rule is defined. We will take this value if it's not too low. In
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# this case the value will be ignored and resizing to the whole card size happens.
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if [[ -f /root/.rootfs_resize ]]; then
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read RESIZE_VALUE <"/root/.rootfs_resize"
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ResizeLog="Resize rule $RESIZE_VALUE defined for root partition"
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case $RESIZE_VALUE in
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*%)
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# percentage value, we try to use 16MiB to align partitions since this is
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# the erase block size of more recent SD cards (512 byte sectors, so we use 32
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# as divider and substract 1)
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local percentage=$(echo $RESIZE_VALUE | tr -c -d '[:digit:]')
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local lastsector=$(( 32 * $(parted $rootdevicepath unit s print -sm | grep "^$rootdevicepath" | awk -F":" "{printf (\"%0d\", ( \$2 * $percentage / 3200))}") - 1 ))
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[[ $lastsector -lt $partend ]] && unset lastsector
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;;
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*s)
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# sector value, we use it directly
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local lastsector=$(echo $RESIZE_VALUE | tr -c -d '[:digit:]')
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[[ $lastsector -lt $partend ]] && unset lastsector
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;;
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esac
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else
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# Unattended mode. We run a q&d benchmark to be able to identify cards way too slow easily
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echo -e "\n### quick iozone test:$(cd /root; iozone -e -I -a -s 1M -r 4k -i 0 -i 1 -i 2 | grep '^ 1024' | sed 's/ 1024 //')" >> $Log
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# check device capacity. If 4GB or below do not use whole card but leave a 5% spare area
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# to help older cards with wear leveling and garbage collection. In case this reduced card
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# capacity is less than the actual image capacity this is a clear sign that someone wants
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# to use Armbian on a card of inappropriate size so he gets what he deserves (at least he
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# should know what he's doing)
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local capacity=$(( $(lsblk -n -b -d -o SIZE $rootdevicepath) / 1024 / 1024 / 1024 )) # GiB
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if [[ $capacity -lt 5 ]]; then # 4 GiB or less
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local sparearea=200
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local lastsector=$(parted $rootdevicepath unit s print -sm | grep "^$rootdevicepath" | awk -F":" "{print \$2 - ($sparearea * 1024 * ( 1024 / \$4 ))}")
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if [[ $lastsector -lt $partend ]]; then
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unset lastsector
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else
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ResizeLog="4GB media so leaving 200MB spare area"
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fi
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elif [[ $CAPACITY -lt 9 ]]; then # 8 GiB or less
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# Leave 2 percent unpartitioned
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local lastsector=$(( 32 * $(parted $rootdevicepath unit s print -sm | grep "^$rootdevicepath" | awk -F":" "{printf (\"%0d\", ( \$2 * 98 / 3200))}") -1 ))
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if [[ $lastsector -lt $partend ]]; then
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unset lastsector
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else
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ResizeLog="8GB media so leaving 2 percent spare area"
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fi
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else
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# Leave 1 percent unpartitioned
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local lastsector=$(( 32 * $(parted $rootdevicepath unit s print -sm | grep "^$rootdevicepath" | awk -F":" "{printf (\"%0d\", ( \$2 * 99 / 3200))}") -1 ))
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if [[ $lastsector -lt $partend ]]; then
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unset lastsector
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else
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ResizeLog="Leaving 1 percent spare area"
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fi
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fi
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fi
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# Start resizing
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echo -e "\n### [firstrun] ${ResizeLog}. Start resizing Partition now:\n" >>${Log}
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cat /proc/partitions >>${Log}
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echo -e "\nExecuting fdisk, fsck and partprobe:" >>${Log}
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UtilLinuxVersion=$(echo q | fdisk $rootdevicepath | awk -F"util-linux " '/ fdisk / {print $2}')
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if [[ $partitions == 1 ]]; then
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case ${UtilLinuxVersion} in
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2.27.1*)
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# if dealing with fdisk from util-linux 2.27.1 we need a workaround for just 1 partition
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# https://github.com/igorpecovnik/lib/issues/353#issuecomment-224728506
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((echo d; echo n; echo p; echo ; echo $startfrom; echo $lastsector ; echo w;) | fdisk $rootdevicepath) >>${Log} 2>&1 || true
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;;
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*)
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((echo d; echo $partitions; echo n; echo p; echo ; echo $startfrom; echo $lastsector ; echo w;) | fdisk $rootdevicepath) >>${Log} 2>&1 || true
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;;
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esac
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else
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((echo d; echo $partitions; echo n; echo p; echo ; echo $startfrom; echo $lastsector ; echo w;) | fdisk $rootdevicepath) >>${Log} 2>&1 || true
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fi
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s=0
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fsck $root_partition >>${Log} 2>&1 || true
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partprobe $rootdevicepath >>${Log} 2>&1 || s=$?
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echo -e "\nNew partition table:\n" >>${Log}
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cat /proc/partitions >>${Log}
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echo -e "\nNow executing resize2fs to enlarge rootfs to the maximum:\n" >>${Log}
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resize2fs $rootpart >>${Log} 2>&1 || true
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# check whether reboot is necessary for resize2fs to take effect
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local freesize=$(df -hm / | awk '/\// {print $(NF-2)}')
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if [[ $s != 0 || $freesize -lt 152 ]]; then
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touch /var/run/reboot
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update-rc.d resize2fs defaults >/dev/null 2>&1
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echo -e "\n### [firstrun] Automated reboot needed to let /etc/init.d/resize2fs do the job" >>${Log}
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fi
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} # do_expand_rootfs
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do_firstrun_automated_user_configuration()
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{
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#-----------------------------------------------------------------------------
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@ -310,12 +164,11 @@ do_firstrun_automated_user_configuration()
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fi
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} #do_firstrun_automated_user_configuration
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main() {
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touch /tmp/firstrun_running
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case "$1" in
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start)
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if [[ $(findmnt -n -o FSTYPE /) == ext4 && ! -f /root/.no_rootfs_resize ]]; then
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do_expand_rootfs
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fi
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# Run a q&d benchmark to be able to identify cards way too slow easily
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echo -e "\n### quick iozone test:$(cd /root; iozone -e -I -a -s 1M -r 4k -i 0 -i 1 -i 2 | grep '^ 1024' | sed 's/ 1024 //')" >> $Log
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# tweaks
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# enable BT on cubietruck
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@ -325,9 +178,29 @@ main() {
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# enable BT on Solidrun i.MX boards
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[[ "$BOARD" == "Cubox i2eX/i4" ]] && update-rc.d brcm4330-patch defaults && /etc/init.d/brcm4330-patch start
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do_firstrun_automated_user_configuration &
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do_firstrun_automated_user_configuration
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/tmp/create_swap.sh &
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# update console info
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setupcon --save
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# SSH Keys creation
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rm -f /etc/ssh/ssh_host*
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read entropy_before </proc/sys/kernel/random/entropy_avail
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dpkg-reconfigure openssh-server >/dev/null 2>&1
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service sshd restart
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read entropy_after </proc/sys/kernel/random/entropy_avail
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echo -e "### [firstrun] Recreated SSH keys (entropy: ${entropy_before} ${entropy_after})" >>${Log}
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FREESIZE=$(( $(findmnt --target / -n -o AVAIL -b) / 1048576 )) # MiB
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SWAPFILE=/var/swap
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if [[ ! -f $SWAPFILE && $FREESIZE -gt 132 ]]; then
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fallocate -l 128M $SWAPFILE || dd if=/dev/zero of=$SWAPFILE bs=1M count=128 status=noxfer
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chown root:root $SWAPFILE
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chmod 0600 $SWAPFILE
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mkswap $SWAPFILE
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swapon $SWAPFILE
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grep -q swap /etc/fstab || echo "$SWAPFILE none swap sw 0 0" >> /etc/fstab
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grep -q swap /etc/sysctl.conf || echo "vm.swappiness=0" >> /etc/sysctl.conf
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echo -e "\n### [firstrun] Created 128MB emergency swap as $SWAPFILE" >>${Log}
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fi
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# some hardware workarounds
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case $LINUXFAMILY in
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@ -366,8 +239,12 @@ main() {
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;;
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esac
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update-rc.d -f firstrun remove >/dev/null 2>&1
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rm /tmp/firstrun_running
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} # main
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systemctl disable firstrun
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exit 0
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;;
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main
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*)
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echo "Usage: $0 start"
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exit 0
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;;
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esac
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@ -1,13 +1,11 @@
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[Unit]
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Description=Armbian first run tasks
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After=local-fs.target network.target
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Before=getty.target system-getty.slice
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DefaultDependencies=no
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[Service]
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Type=oneshot
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Type=simple
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RemainAfterExit=yes
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ExecStart=/etc/init.d/firstrun start
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ExecStart=/bin/bash /etc/init.d/firstrun start
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[Install]
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WantedBy=basic.target
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WantedBy=multi-user.target
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@ -7,21 +7,138 @@
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# Should-Start:
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# Default-Start: 2 3 4 5
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# Default-Stop: 0 1 6
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# Short-Description: Resize the root filesystem to fill whole rootfs partition
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# Description:
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# Short-Description: Resize the root filesystem
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# Description: Resize the root filesystem to fill the whole storage
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### END INIT INFO
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. /lib/init/vars.sh
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. /lib/lsb/init-functions
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export PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin
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Log=/var/log/armhwinfo.log
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do_expand_partition()
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{
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local rootpart=$(findmnt -n -o SOURCE /) # i.e. /dev/mmcblk0p1
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local rootdevice=$(lsblk -n -o PKNAME $rootpart) # i.e. mmcblk0
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local rootdevicepath="/dev/$rootdevice" # i.e. /dev/mmcblk0
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# get count of partitions and their boundaries
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local partitions=$(( $(grep -c $rootdevice /proc/partitions) - 1 ))
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local partstart=$(parted $rootdevicepath unit s print -sm | tail -1 | cut -d: -f2 | sed 's/s//') # start of first partition
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local partend=$(parted $rootdevicepath unit s print -sm | head -3 | tail -1 | cut -d: -f3 | sed 's/s//') # end of first partition
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local startfrom=$(( $partend + 1 ))
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[[ $partitions == 1 ]] && startfrom=$partstart
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# check whether a resizing rule is defined. We will take this value if it's not too low. In
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# this case the value will be ignored and resizing to the whole card size happens.
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if [[ -f /root/.rootfs_resize ]]; then
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read RESIZE_VALUE </root/.rootfs_resize
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ResizeLog="Resize rule $RESIZE_VALUE defined for root partition"
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case $RESIZE_VALUE in
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*%)
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# percentage value, we try to use 16MiB to align partitions since this is
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# the erase block size of more recent SD cards (512 byte sectors, so we use 32
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# as divider and substract 1)
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local percentage=$(echo $RESIZE_VALUE | tr -c -d '[:digit:]')
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local lastsector=$(( 32 * $(parted $rootdevicepath unit s print -sm | grep "^$rootdevicepath" | awk -F":" "{printf (\"%0d\", ( \$2 * $percentage / 3200))}") - 1 ))
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[[ $lastsector -lt $partend ]] && unset lastsector
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;;
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*s)
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# sector value, we use it directly
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local lastsector=$(echo $RESIZE_VALUE | tr -c -d '[:digit:]')
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[[ $lastsector -lt $partend ]] && unset lastsector
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;;
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esac
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else
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# check device capacity. If 4GB or below do not use whole card but leave a 5% spare area
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# to help older cards with wear leveling and garbage collection. In case this reduced card
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# capacity is less than the actual image capacity this is a clear sign that someone wants
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# to use Armbian on a card of inappropriate size so he gets what he deserves (at least he
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# should know what he's doing)
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local capacity=$(( $(lsblk -n -b -d -o SIZE $rootdevicepath) / 1024 / 1024 / 1024 )) # GiB
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if [[ $capacity -lt 5 ]]; then # 4 GiB or less
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local lastsector=$(parted $rootdevicepath unit s print -sm | grep "^$rootdevicepath" | awk -F":" "{print \$2 - (200 * 1024 * ( 1024 / \$4 ))}")
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if [[ $lastsector -lt $partend ]]; then
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unset lastsector
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else
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ResizeLog="4GB media so leaving 200MB spare area"
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fi
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elif [[ $CAPACITY -lt 9 ]]; then # 8 GiB or less
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# Leave 2 percent unpartitioned
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local lastsector=$(( 32 * $(parted $rootdevicepath unit s print -sm | grep "^$rootdevicepath" | awk -F":" "{printf (\"%0d\", ( \$2 * 98 / 3200))}") -1 ))
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if [[ $lastsector -lt $partend ]]; then
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unset lastsector
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else
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ResizeLog="8GB media so leaving 2 percent spare area"
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fi
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else
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# Leave 1 percent unpartitioned
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local lastsector=$(( 32 * $(parted $rootdevicepath unit s print -sm | grep "^$rootdevicepath" | awk -F":" "{printf (\"%0d\", ( \$2 * 99 / 3200))}") -1 ))
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if [[ $lastsector -lt $partend ]]; then
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unset lastsector
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else
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ResizeLog="Leaving 1 percent spare area"
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fi
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fi
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fi
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# Start resizing
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echo -e "\n### [firstrun] ${ResizeLog}. Start resizing Partition now:\n" >>${Log}
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cat /proc/partitions >>${Log}
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echo -e "\nExecuting fdisk, fsck and partprobe:" >>${Log}
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local fdisk_version=$(fdisk --version | awk '{print $NF}' | grep -oE "^[[:digit:]].[[:digit:]]+")
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if [[ $partitions == 1 ]] && awk "BEGIN{exit ! ($fdisk_version >= 2.27 )}"; then
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# if dealing with fdisk from util-linux 2.27+ we need a workaround for just 1 partition
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# though it does not break anything - just prevents an "unexpected command" to fdisk
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# https://github.com/igorpecovnik/lib/issues/353#issuecomment-224728506
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((echo d; echo n; echo p; echo ; echo $startfrom; echo $lastsector ; echo w;) | fdisk $rootdevicepath) >>${Log} 2>&1
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else
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((echo d; echo $partitions; echo n; echo p; echo ; echo $startfrom; echo $lastsector ; echo w;) | fdisk $rootdevicepath) >>${Log} 2>&1
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fi
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local s=0
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partprobe $rootdevicepath >>${Log} 2>&1 || s=$?
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echo -e "\nNew partition table:\n" >>${Log}
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cat /proc/partitions >>${Log}
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echo -e "\nNow executing resize2fs to enlarge rootfs to the maximum:\n" >>${Log}
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resize2fs $rootpart >>${Log} 2>&1
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# check whether reboot is necessary for resize2fs to take effect
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local freesize=$(( $(findmnt --target / -n -o AVAIL -b) / 1048576 )) # MiB
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if [[ $s != 0 || $freesize -lt 512 ]]; then
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touch /var/run/resize2fs-reboot
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echo -e "\n### [firstrun] Automated reboot needed to finish the resize procedure" >>${Log}
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fi
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}
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do_expand_filesystem()
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{
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local rootpart=$(findmnt -n -o SOURCE /) # i.e. /dev/mmcblk0p1
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echo -e "\n### [resize2fs] Start resizing partition now\n" >> ${Log}
|
||||
resize2fs $rootpart >> ${Log} 2>&1
|
||||
}
|
||||
|
||||
case "$1" in
|
||||
start)
|
||||
local rootpart=$(findmnt -n -o SOURCE /) # i.e. /dev/mmcblk0p1
|
||||
# skip resizing if rootfs is not ext4 or if explicitly disabled
|
||||
if [[ $(findmnt -n -o FSTYPE /) != ext4 || -f /root/.no_rootfs_resize ]]; then
|
||||
systemctl disable resize2fs
|
||||
exit 0
|
||||
fi
|
||||
|
||||
# if ext4 and rootfs should be resized then do it
|
||||
if [[ $(findmnt -n -o FSTYPE /) == ext4 && ! -f /root/.no_rootfs_resize ]]; then
|
||||
echo -e "\n### [resize2fs] Start resizing partition now\n" >>/var/log/armhwinfo.log
|
||||
/sbin/resize2fs $rootpart >>/var/log/armhwinfo.log 2>&1
|
||||
fi
|
||||
# first stage - resize the partition
|
||||
[[ ! -f /var/lib/armbian/resize_second_stage ]] && do_expand_partition
|
||||
|
||||
# disable further executions of this script
|
||||
update-rc.d -f resize2fs remove >/dev/null 2>&1
|
||||
;;
|
||||
# second stage - resize the filesystem
|
||||
[[ ! -f /var/run/resize2fs-reboot ]] && do_expand_filesystem
|
||||
|
||||
# disable itself
|
||||
[[ ! -f /var/run/resize2fs-reboot ]] && systemctl disable resize2fs
|
||||
exit 0
|
||||
;;
|
||||
|
||||
*)
|
||||
echo "Usage: $0 start"
|
||||
exit 0
|
||||
;;
|
||||
esac
|
||||
|
||||
14
scripts/resize2fs.service
Normal file
14
scripts/resize2fs.service
Normal file
@ -0,0 +1,14 @@
|
||||
[Unit]
|
||||
Description=Armbian filesystem resize service
|
||||
Before=basic.target
|
||||
After=sysinit.target local-fs.target
|
||||
DefaultDependencies=no
|
||||
|
||||
[Service]
|
||||
Type=oneshot
|
||||
RemainAfterExit=yes
|
||||
ExecStart=/bin/bash /etc/init.d/resize2fs start
|
||||
TimeoutStartSec=5min
|
||||
|
||||
[Install]
|
||||
WantedBy=basic.target
|
||||
@ -1,6 +1,6 @@
|
||||
#!/bin/bash
|
||||
|
||||
if [[ -f /var/run/reboot ]]; then
|
||||
if [[ -f /var/run/resize2fs-reboot ]]; then
|
||||
printf "\n\e[0;91mWarning: a reboot is needed to finish resizing the filesystem \x1B[0m \n"
|
||||
printf "\e[0;91mPlease reboot the system as soon as possible \x1B[0m \n\n"
|
||||
(sleep 1 && rm "$0") &
|
||||
|
||||
Loading…
Reference in New Issue
Block a user