mirror of
https://github.com/Fishwaldo/build.git
synced 2025-03-23 07:11:26 +00:00
eaa896051a
Background information: https://forum.armbian.com/index.php/topic/2907-opi-zero-incoming-ssh-cant-connect/#entry19987
441 lines
16 KiB
Bash
441 lines
16 KiB
Bash
#!/bin/bash
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### BEGIN INIT INFO
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# Provides: firstrun
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# Required-Start: $all
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# Required-Stop:
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# Should-Start: armhwinfo
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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: PLEASE DO NOT INTERRUPT THE FIRST BOOT
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# Description: Something needs to be done when is
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# starting at first time.
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# regenerate ssh host key
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### END INIT INFO
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#
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# Create this file to speed up boot process
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#
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# Immediately exit if not called by init system
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if [ "X$1" != "Xstart" ]; then
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exit 1
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fi
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export PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin
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Log=/var/log/armhwinfo.log
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# create helper script to set swap settings
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cat > /tmp/create_swap.sh <<EOT
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#!/bin/bash
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#
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# create swap and adds it into fstab
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#
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# update console info
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setupcon --save
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# SSH Keys creation
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rm -f /etc/ssh/ssh_host*
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read entropy_before </proc/sys/kernel/random/entropy_avail
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dpkg-reconfigure openssh-server >/dev/null 2>&1
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read entropy_after </proc/sys/kernel/random/entropy_avail
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echo -e "### [firstrun] Recreated SSH keys (entropy: \${entropy_before} \${entropy_after})" >>${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 >/dev/null 2>&1
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if [ $? -eq 1 ]; then dd if=/dev/zero of=\$SWAPFILE bs=1M count=128 status=noxfer >/dev/null 2>&1; fi
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chown root:root \$SWAPFILE
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chmod 0600 \$SWAPFILE
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mkswap \$SWAPFILE >/dev/null 2>&1
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swapon \$SWAPFILE >/dev/null 2>&1
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if ! grep -q swap /etc/fstab; then echo "\$SWAPFILE none swap sw 0 0" >> /etc/fstab; fi
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if ! grep -q swap /etc/sysctl.conf; then echo "vm.swappiness=0" >> /etc/sysctl.conf; fi
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echo -e "\n### [firstrun] Created 128MB emergency swap as \$SWAPFILE" >>${Log}
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fi
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# RAMLOG
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if [[ "$(apt-cache policy ramlog | grep Installed)" != "" ]]; then
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service ramlog enable
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# if we have 1G ram reduce RAMLOG size
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if [[ "\$MEMTOTAL" -lt "1100" ]]; then
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if [ -f "/etc/default/ramlog" ]; then
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sed -e 's/TMPFS_RAMFS_SIZE=512m/TMPFS_RAMFS_SIZE=256m/g' -i /etc/default/ramlog
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fi
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elif [[ "\$MEMTOTAL" -lt "600" ]]; then
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if [ -f "/etc/default/ramlog" ]; then
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sed -e 's/TMPFS_RAMFS_SIZE=512m/TMPFS_RAMFS_SIZE=192m/g' -i /etc/default/ramlog
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fi
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fi
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fi
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while [ -f /tmp/firstrun_running ]; do sleep 1; done
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if [ -f "/var/run/reboot" ]; then
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wall -n "Performing automatic reboot in 5 seconds"
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sleep 5
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reboot
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fi
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rm -f /tmp/create_swap.sh
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sync &
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EOT
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chmod +x /tmp/create_swap.sh
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collect_information() {
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# get some info about the board
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source /etc/armbian-release
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DISTRIBUTION=$(lsb_release -cs)
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# enable BT on cubietruck
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[[ "$BOARD" == "cubietruck" ]] && update-rc.d brcm40183-patch defaults
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# enable BT on Banana M2+ or NanoPi Air
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[[ "$BOARD" == "bananapim2plus" || "$BOARD" == "nanopiair" ]] && update-rc.d ap6212-bluetooth defaults
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# enable BT on Solidrun boards
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[[ "$BOARD" == "Cubox i2eX/i4" ]] && update-rc.d brcm4330-patch defaults && /etc/init.d/brcm4330-patch start
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case ${DISTRIBUTION} in
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wheezy)
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root_device=$(mountpoint -d /)
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for file in /dev/* ; do
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CURRENT_DEVICE=$(printf "%d:%d" $(stat --printf="0x%t 0x%T" $file))
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if [ $CURRENT_DEVICE = $root_device ]; then
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root_partition=$file
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break;
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fi
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done
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rootfstype=$(blkid -s TYPE -o value $root_partition)
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;;
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*)
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ROOTFS=$(findmnt / | awk -F" " '/\/dev\// {print $2"\t"$3}')
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set ${ROOTFS}
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root_partition=$1
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rootfstype=$2
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;;
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esac
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} # collect_information
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adjust_sunxi_settings() {
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# set some mac address for BT
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[[ "$(lsmod | grep dhd)" != "" ]] && \
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(MACADDR=$(printf '43:29:B1:%02X:%02X:%02X\n' $[RANDOM%256] $[RANDOM%256] $[RANDOM%256]) ; \
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sed -i "s/^MAC_ADDR=.*/MAC_ADDR=${MACADDR}/" /etc/default/brcm40183 ;\
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sed -i "s/^MAC_ADDR=.*/MAC_ADDR=${MACADDR}/" /etc/default/ap6212 \
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echo -e "\n### [firstrun] Use MAC address ${MACADDR} for Bluetooth from now" >>${Log})
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case ${BOARD_NAME} in
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"NanoPi Air"|"Orange Pi Lite")
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# change serial port for BT on NanoPi Air
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sed -i "s/^PORT=.*/PORT=ttyS3/" /etc/default/ap6212
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# relink /etc/network/interfaces on OPi Lite and NanoPi Air
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cd /etc/network/ && ln -sf interfaces.network-manager interfaces
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;;
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"Orange Pi Zero")
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# set OPi Zero WiFi address permanently based on a random address using Allwinner's MAC prefix
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MACADDR=$(printf 'DC:44:6D:%02X:%02X:%02X\n' $[RANDOM%256] $[RANDOM%256] $[RANDOM%256])
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echo "options xradio_wlan macaddr=${MACADDR}" >/etc/modprobe.d/xradio_wlan.conf
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echo -e "\n### [firstrun] Use MAC address ${MACADDR} for Wi-Fi from now" >>${Log}
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cd /etc/network/ && ln -sf interfaces.network-manager interfaces
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(modprobe -r xradio_wlan && sleep 1 && modprobe xradio_wlan) &
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;;
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esac
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# trigger red or blue LED as user feedback
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echo heartbeat >/sys/class/leds/*red*/trigger 2>/dev/null || echo heartbeat >/sys/class/leds/*blue*/trigger 2>/dev/null
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} # adjust_sunxi_settings
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do_expand_rootfs() {
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# get device node for boot media
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DEVICE="/dev/"$(lsblk -idn -o NAME | grep -w mmcblk0)
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if [ "${DEVICE}" = "/dev/" ]; then return ; fi
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QUOTED_DEVICE=$(echo "${DEVICE}" | sed 's:/:\\\/:g')
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# get count of partitions and their boundaries
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PARTITIONS=$(( $(grep -c ${DEVICE##*/}p /proc/partitions) ))
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PARTSTART=$(parted ${DEVICE} unit s print -sm | tail -1 | cut -d: -f2 | sed 's/s//') # start of first partition
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PARTEND=$(parted ${DEVICE} unit s print -sm | head -3 | tail -1 | cut -d: -f3 | sed 's/s//') # end of first partition
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STARTFROM=$(( ${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 ${RESIZE_VALUE} in
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*%)
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# percentage value, we try to use 16MiB to align partitions since this is
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# the erase block size of more recent SD cards (512 byte sectors, so we use 32
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# as divider and substract 1)
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PERCENTAGE=$(echo ${RESIZE_VALUE} | tr -c -d '[:digit:]')
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LASTSECTOR=$(( 32 * $(parted ${DEVICE} unit s print -sm | awk -F":" "/^${QUOTED_DEVICE}/ {printf (\"%0d\", ( \$2 * ${PERCENTAGE} / 3200))}") -1 ))
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if [ ${LASTSECTOR} -lt ${PARTEND} ]; then unset LASTSECTOR ; fi
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;;
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*s)
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# sector value, we use it directly
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LASTSECTOR=$(echo ${RESIZE_VALUE} | tr -c -d '[:digit:]')
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if [ ${LASTSECTOR} -lt ${PARTEND} ]; then unset LASTSECTOR ; fi
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;;
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esac
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else
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# Unattended mode. We run a q&d benchmark to be able to identify cards way too slow easily
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cd /root
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echo -e "\n### quick iozone test:$(iozone -e -I -a -s 1M -r 4k -i 0 -i 1 -i 2 | grep '^ 1024' | sed 's/ 1024 //')" >>/var/log/armhwinfo.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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CAPACITY=$(parted ${DEVICE} unit s print -sm | awk -F":" "/^${QUOTED_DEVICE}/ {printf (\"%0d\", \$2 / ( 1024 / \$4 ))}")
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if [ ${CAPACITY} -lt 4000000 ]; then
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SPAREAREA=$(( ${CAPACITY} / 20000 ))
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LASTSECTOR=$(parted ${DEVICE} unit s print -sm | awk -F":" "/^${QUOTED_DEVICE}/ {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 on ${root_partition}"
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fi
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elif [ ${CAPACITY} -lt 8000000 ]; then
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# Leave 2 percent unpartitioned
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LASTSECTOR=$(( 32 * $(parted ${DEVICE} unit s print -sm | awk -F":" "/^${QUOTED_DEVICE}/ {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 on ${root_partition}"
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fi
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else
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# Leave 1 percent unpartitioned
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LASTSECTOR=$(( 32 * $(parted ${DEVICE} unit s print -sm | awk -F":" "/^${QUOTED_DEVICE}/ {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 on ${root_partition}"
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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 ${DEVICE} | awk -F"util-linux " '/ fdisk / {print $2}')
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if [ "X${PARTITIONS}" = "X1" ]; 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 ${DEVICE}) >>${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 ${DEVICE}) >>${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 ${DEVICE}) >>${Log} 2>&1 || true
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fi
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s=0
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fsck -f $root_partition >>${Log} 2>&1 || true
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partprobe ${DEVICE} >>${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 ${root_partition} to the maximum:\n" >>${Log}
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resize2fs $root_partition >>${Log} 2>&1 || true
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# force reboot if first run is issued on eMMC (bug on C2)
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[[ $(find /sys -name oemid | grep emmc) ]] && s=1
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# check whether reboot is necessary for resize2fs to take effect
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FREESIZE=$(df -hm / | awk '/\// {print $(NF-2)}')
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if [[ "$DISTRIBUTION" == "wheezy" || "$s" != "0" || "$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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return 0
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} # do_expand_rootfs
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check_prerequisits() {
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for needed_tool in fdisk parted partprobe resize2fs ; do
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which ${needed_tool} >/dev/null 2>&1 || exit 1
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done
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} # check_prerequisits
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do_firstrun_automated_user_configuration()
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{
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#-----------------------------------------------------------------------------
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#Notes:
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# - See /boot/armbian_first_run.txt for full list of available variables
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# - Variable names here must here must match ones in config/armbian_first_run.txt
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#-----------------------------------------------------------------------------
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#Config FP
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local fp_config='/boot/armbian_first_run.txt'
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#-----------------------------------------------------------------------------
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#Grab user requested settings
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if [[ -f $fp_config ]]; then
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# Convert line endings to Unix from Dos
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sed -i $'s/\r$//' "$fp_config"
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# check syntax
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bash -n "$fp_config" || return
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# Load vars directly from file
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source "$fp_config"
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#-----------------------------------------------------------------------------
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# - Remove configuration file
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if [[ $FR_general_delete_this_file_after_completion == 1 ]]; then
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dd if=/dev/urandom of="$fp_config" bs=16K count=1
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sync
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rm "$fp_config"
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fi
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#-----------------------------------------------------------------------------
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# Set Network
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if [[ $FR_net_change_defaults == 1 ]]; then
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# - Get 1st index of available wlan and eth adapters
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local fp_ifconfig_tmp='/tmp/.ifconfig'
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ifconfig -a > "$fp_ifconfig_tmp" #export to file, should be quicker in loop than calling ifconfig each time.
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# find eth[0-9]
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for ((i=0; i<=9; i++))
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do
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if (( $(cat "$fp_ifconfig_tmp" | grep -ci -m1 "eth$i") )); then
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eth_index=$i
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break
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fi
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done
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# find wlan[0-9]
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for ((i=0; i<=9; i++))
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do
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if (( $(cat "$fp_ifconfig_tmp" | grep -ci -m1 "wlan$i") )); then
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wlan_index=$i
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break
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fi
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done
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rm "$fp_ifconfig_tmp"
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# - Kill dhclient
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killall -w dhclient
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# - Drop Connections
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ifdown eth$eth_index --force
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ifdown wlan$wlan_index --force
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# - Wifi enable
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if [[ $FR_net_wifi_enabled == 1 ]]; then
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#Enable Wlan, disable Eth
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FR_net_ethernet_enabled=0
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sed -i "/allow-hotplug wlan$wlan_index/c\allow-hotplug wlan$wlan_index" /etc/network/interfaces
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sed -i "/allow-hotplug eth$eth_index/c\#allow-hotplug eth$eth_index" /etc/network/interfaces
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#Set SSid (covers both WEP and WPA)
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sed -i "/wireless-essid /c\ wireless-essid $FR_net_wifi_ssid" /etc/network/interfaces
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sed -i "/wpa-ssid /c\ wpa-ssid $FR_net_wifi_ssid" /etc/network/interfaces
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#Set Key (covers both WEP and WPA)
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sed -i "/wireless-key /c\ wireless-key $FR_net_wifi_key" /etc/network/interfaces
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sed -i "/wpa-psk /c\ wpa-psk $FR_net_wifi_key" /etc/network/interfaces
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#Set wifi country code
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iw reg set "$FR_net_wifi_countrycode"
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#Disable powersaving for known chips that suffer from powersaving features causing connection dropouts.
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# This is espically true for the 8192cu and 8188eu.
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#FOURDEE: This may be better located as default in ARMbian during build (eg: common), as currently, not active until after a reboot.
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# - Realtek | all use the same option, so create array.
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local realtek_array=(
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"8192cu"
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"8188eu"
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)
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for ((i=0; i<${#realtek_array[@]}; i++))
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do
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echo -e "options ${realtek_array[$i]} rtw_power_mgnt=0" > /etc/modprobe.d/realtek_"${realtek_array[$i]}".conf
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done
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unset realtek_array
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# - Ethernet enable
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elif [[ $FR_net_ethernet_enabled == 1 ]]; then
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#Enable Eth, disable Wlan
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FR_net_wifi_enabled=0
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sed -i "/allow-hotplug eth$eth_index/c\allow-hotplug eth$eth_index" /etc/network/interfaces
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#sed -i "/allow-hotplug wlan$wlan_index/c\#allow-hotplug wlan$wlan_index" /etc/network/interfaces
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fi
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# - Static IP enable
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if [[ $FR_net_use_static == 1 ]]; then
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if [[ $FR_net_wifi_enabled == 1 ]]; then
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sed -i "/iface wlan$wlan_index inet/c\iface wlan$wlan_index inet static" /etc/network/interfaces
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elif [[ $FR_net_ethernet_enabled == 1 ]]; then
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sed -i "/iface eth$eth_index inet/c\iface eth$eth_index inet static" /etc/network/interfaces
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fi
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#This will change both eth and wlan entries, however, as only 1 adapater is enabled by this feature, should be fine.
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sed -i "/^#address/c\address $FR_net_static_ip" /etc/network/interfaces
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sed -i "/^#netmask/c\netmask $FR_net_static_mask" /etc/network/interfaces
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sed -i "/^#gateway/c\gateway $FR_net_static_gateway" /etc/network/interfaces
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sed -i "/^#dns-nameservers/c\dns-nameservers $FR_net_static_dns" /etc/network/interfaces
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fi
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# - Restart Networking
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if [[ "$DISTRIBUTION" == "wheezy" || "$DISTRIBUTION" == "trusty" ]]; then
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service networking restart
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else
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systemctl daemon-reload
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systemctl restart networking
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fi
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# - Manually bring up adapters (just incase)
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if [[ $FR_net_wifi_enabled == 1 ]]; then
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ifup wlan$wlan_index
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elif [[ $FR_net_ethernet_enabled == 1 ]]; then
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ifup eth$eth_index
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fi
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fi
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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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check_prerequisits
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collect_information
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if [[ "$rootfstype" == "ext4" && ! -f "/root/.no_rootfs_resize" ]]; then
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|
do_expand_rootfs
|
|
fi
|
|
|
|
do_firstrun_automated_user_configuration &
|
|
|
|
/tmp/create_swap.sh &
|
|
|
|
# old distros can't handle allow-hotplug
|
|
if [[ "$DISTRIBUTION" == "wheezy" || "$DISTRIBUTION" == "trusty" ]]; then
|
|
sed -i "s/allow-hotplug eth/auto eth/" /etc/network/interfaces
|
|
sed -i "s/allow-hotplug wlan/auto wlan/" /etc/network/interfaces
|
|
fi
|
|
|
|
# some hardware workarounds
|
|
case ${LINUXFAMILY} in
|
|
sun7i|sun8i)
|
|
adjust_sunxi_settings
|
|
;;
|
|
pine64)
|
|
if [ -z "$(grep ethaddr /boot/uEnv.txt)" ] && [ -f "/sys/class/net/eth0/address" ]; then
|
|
echo "ethaddr=$(cat /sys/class/net/eth0/address)" >> /boot/uEnv.txt
|
|
fi
|
|
;;
|
|
esac
|
|
|
|
update-rc.d -f firstrun remove >/dev/null 2>&1
|
|
rm /tmp/firstrun_running
|
|
} # main
|
|
|
|
main
|