raspiblitz/home.admin/_bootstrap.sh
2019-06-13 15:15:17 +02:00

520 lines
19 KiB
Bash

#!/bin/bash
# This script runs on every start called by boostrap.service
# It makes sure that the system is configured like the
# default values or as in the config.
# For more details see background_raspiblitzSettings.md
# use to detect multiple starts of service
#uid=$(date +%s)
#echo "started" > /home/admin/${uid}.boot
# load codeVersion
source /home/admin/_version.info
################################
# FILES TO WORK WITH
################################
# CONFIGFILE - configuration of RaspiBlitz
# used by fresh SD image to recover configuration
# and delivers basic config info for scripts
# make raspiblitz.conf if not there
sudo touch /mnt/hdd/raspiblitz.conf
configFile="/mnt/hdd/raspiblitz.conf"
# LOGFILE - store debug logs of bootstrap
# resets on every start
logFile="/home/admin/raspiblitz.log"
# INFOFILE - state data from bootstrap
# used by display and later setup steps
infoFile="/home/admin/raspiblitz.info"
echo "Writing logs to: ${logFile}"
echo "" > $logFile
echo "***********************************************" >> $logFile
echo "Running RaspiBlitz Bootstrap ${codeVersion}" >> $logFile
date >> $logFile
echo "***********************************************" >> $logFile
# display 3 secs logo - try to kickstart LCD
# see https://github.com/rootzoll/raspiblitz/issues/195#issuecomment-469918692
# see https://github.com/rootzoll/raspiblitz/issues/647
randnum=$(shuf -i 0-7 -n 1)
sudo fbi -a -T 1 -d /dev/fb1 --noverbose /home/admin/raspiblitz/pictures/startlogo${randnum}.png
sleep 5
sudo killall -3 fbi
# set default values for raspiblitz.info
network=""
chain=""
setupStep=0
# try to load old values if available (overwrites defaults)
source ${infoFile} 2>/dev/null
# resetting info file
echo "Resetting the InfoFile: ${infoFile}"
echo "state=starting" > $infoFile
echo "message=" >> $infoFile
echo "network=${network}" >> $infoFile
echo "chain=${chain}" >> $infoFile
echo "setupStep=${setupStep}" >> $infoFile
if [ "${setupStep}" != "100" ]; then
echo "hostname=${hostname}" >> $infoFile
fi
sudo chmod 777 ${infoFile}
# resetting start count files
echo "SYSTEMD RESTART LOG: blockchain (bitcoind/litecoind)" > /home/admin/systemd.blockchain.log
echo "SYSTEMD RESTART LOG: lightning (LND)" > /home/admin/systemd.lightning.log
sudo chmod 777 /home/admin/systemd.blockchain.log
sudo chmod 777 /home/admin/systemd.lightning.log
# Emergency cleaning logs when over 1GB (to prevent SD card filling up)
# see https://github.com/rootzoll/raspiblitz/issues/418#issuecomment-472180944
echo "*** Checking Log Size ***"
logsMegaByte=$(sudo du -c -m /var/log | grep "total" | awk '{print $1;}')
if [ ${logsMegaByte} -gt 1000 ]; then
echo "WARN !! Logs /var/log in are bigger then 1GB"
echo "ACTION --> DELETED ALL LOGS"
sudo rm -r /var/log/*
sleep 3
echo "WARN !! Logs in /var/log in were bigger then 1GB and got emergency delete to prevent fillup."
echo "If you see this in the logs please report to the GitHub issues, so LOG config needs to hbe optimized."
else
echo "OK - logs are at ${logsMegaByte} MB - within safety limit"
fi
echo ""
################################
# GENERATE UNIQUE SSH PUB KEYS
# on first boot up
################################
numberOfPubKeys=$(sudo ls /etc/ssh/ | grep -c 'ssh_host_')
if [ ${numberOfPubKeys} -eq 0 ]; then
echo "*** Generating new SSH PubKeys" >> $logFile
sudo dpkg-reconfigure openssh-server
echo "OK" >> $logFile
fi
################################
# AFTER BOOT SCRIPT
# when a process needs to
# execute stuff after a reboot
# it should in file
# /home/admin/setup.sh
################################
# check for after boot script
afterSetupScriptExists=$(ls /home/admin/setup.sh 2>/dev/null | grep -c setup.sh)
if [ ${afterSetupScriptExists} -eq 1 ]; then
echo "*** SETUP SCRIPT DETECTED ***"
# echo out script to journal logs
sudo cat /home/admin/setup.sh
# execute the after boot script
sudo /home/admin/setup.sh
# delete the after boot script
sudo rm /home/admin/setup.sh
# reboot again
echo "DONE wait 6 secs ... one more reboot needed ... "
sudo shutdown -r now
sleep 100
fi
################################
# HDD CHECK & PRE-INIT
################################
# waiting for HDD to connect
hddExists=$(lsblk | grep -c sda1)
while [ ${hddExists} -eq 0 ]
do
# display will ask user to connect a HDD
sed -i "s/^state=.*/state=nohdd/g" ${infoFile}
sed -i "s/^message=.*/message='Connect the Hard Drive'/g" ${infoFile}
sleep 5
# retry to find HDD
hddExists=$(lsblk | grep -c sda1)
done
# check if the HDD is auto-mounted ( auto-mounted = setup-done)
hddIsAutoMounted=$(sudo cat /etc/fstab | grep -c '/mnt/hdd')
if [ ${hddIsAutoMounted} -eq 0 ]; then
echo "HDD is there but not AutoMounted yet." >> $logFile
echo "Analysing the situation ..." >> $logFile
# detect for correct device name (the biggest partition)
hddDeviceName="sda1"
hddSecondPartitionExists=$(lsblk | grep -c sda2)
hddSecondDriveExists=$(lsblk | grep -c sdb)
if [ ${hddSecondPartitionExists} -eq 1 ] || [ ${hddSecondDriveExists} -eq 1 ] ; then
echo "HDD has a second partition - choosing the bigger one ..." >> $logFile
# get both with size
size1=$(lsblk -o NAME,SIZE -b | grep "sda1" | awk '{ print substr( $0, 12, length($0)-2 ) }' | xargs)
echo "sda1(${size1})" >> $logFile
size2=$(lsblk -o NAME,SIZE -b | grep "sda2" | awk '{ print substr( $0, 12, length($0)-2 ) }' | xargs)
echo "sda2(${size2})" >> $logFile
size3=$(lsblk -o NAME,SIZE -b | grep "sdb" | awk '{ print substr( $0, 8, length($0)-2 ) }' | xargs)
echo "sdb(${size3})" >> $logFile
# choose to run with the bigger one
if [ ${size2} -gt ${size1} ]; then
echo "sda2 is BIGGER - run with this one" >> $logFile
hddDeviceName="sda2"
elif [ ${size3} -gt ${size1} ]; then
echo "sdb is BIGGER - run with this one" >> $logFile
hddDeviceName="sdb"
else
echo "sda1 is BIGGER - run with this one" >> $logFile
hddDeviceName="sda1"
fi
fi
# check if HDD is formatted EXT4
hddExt4=$(lsblk -o NAME,FSTYPE -b /dev/${hddDeviceName} | grep -c "ext4")
if [ ${hddExt4} -eq 0 ]; then
echo "HDD is NOT formatted in ext4." >> $logFile
# stop the bootstrap here ...
# display will ask user to run setup
sed -i "s/^state=.*/state=waitsetup/g" ${infoFile}
sed -i "s/^message=.*/message='HDD needs SetUp (1)'/g" ${infoFile}
exit 0
fi
# temp-mount the HDD
echo "temp-mounting the HDD .." >> $logFile
sudo mkdir /mnt/hdd
sudo mount -t ext4 /dev/${hddDeviceName} /mnt/hdd
mountOK=$(lsblk | grep -c '/mnt/hdd')
if [ ${mountOK} -eq 0 ]; then
echo "FAIL - not able to temp-mount HDD" >> $logFile
sed -i "s/^state=.*/state=waitsetup/g" ${infoFile}
sed -i "s/^message=.*/message='HDD failed Mounting'/g" ${infoFile}
# no need to unmount the HDD, it failed mounting
exit 0
else
echo "OK - HDD available under /mnt/hdd" >> $logFile
fi
# UPDATE MIGRATION & CONFIG PROVISIONING
# check if HDD contains already a configuration
echo "Check if HDD contains already a configuration .." >> $logFile
configExists=$(ls ${configFile} | grep -c '.conf')
if [ ${configExists} -eq 1 ]; then
echo "Found existing configuration" >> $logFile
source ${configFile}
# check if config files contains basic: version
if [ ${#raspiBlitzVersion} -eq 0 ]; then
echo "Invalid Config: missing raspiBlitzVersion in (${configFile})!" >> ${logFile}
configExists=0
fi
# check if config files contains basic: network
if [ ${#network} -eq 0 ]; then
echo "Invalid Config: missing network in (${configFile})!" >> ${logFile}
configExists=0
fi
# check if config files contains basic: chain
if [ ${#chain} -eq 0 ]; then
echo "Invalid Config: missing chain in (${configFile})!" >> ${logFile}
configExists=0
fi
if [ ${configExists} -eq 0 ]; then
echo "Moving invalid config to raspiblitz.invalid.conf" >> ${logFile}
sudo mv ${configFile} /mnt/hdd/raspiblitz.invalid.conf
fi
fi
# if config is still valid ...
if [ ${configExists} -eq 1 ]; then
echo "Found valid configuration" >> $logFile
sed -i "s/^state=.*/state=recovering/g" ${infoFile}
sed -i "s/^message=.*/message='Starting Recover'/g" ${infoFile}
echo "Calling Data Migration .." >> $logFile
sudo /home/admin/_bootstrap.migration.sh
echo "Calling Provisioning .." >> $logFile
sudo /home/admin/_bootstrap.provision.sh
sed -i "s/^state=.*/state=recovered/g" ${infoFile}
sed -i "s/^message=.*/message='Done Recover'/g" ${infoFile}
echo "rebooting" >> $logFile
# set flag that system is freshly recovered and needs setup dialogs
echo "state=recovered" >> /home/admin/raspiblitz.recover.info
# save log file for inspection before reboot
cp $logFile /home/admin/raspiblitz.recover.log
sudo shutdown -r now
exit 0
else
echo "OK - No config file found: ${configFile}" >> $logFile
fi
# check if HDD contains existing LND data (old RaspiBlitz Version)
echo "Check if HDD contains existing LND data .." >> $logFile
lndDataExists=$(ls /mnt/hdd/lnd/lnd.conf | grep -c '.conf')
if [ ${lndDataExists} -eq 1 ]; then
echo "Found existing LND data - old RaspiBlitz?" >> $logFile
sed -i "s/^state=.*/state=olddata/g" ${infoFile}
sed -i "s/^message=.*/message='No Auto-Update possible'/g" ${infoFile}
# keep HDD mounted if user wants to copy data
exit 0
else
echo "OK - No LND data found" >> $logFile
fi
# check if HDD contains pre-loaded blockchain data
echo "Check if HDD contains pre-loaded blockchain data .." >> $logFile
litecoinDataExists=$(ls /mnt/hdd/litecoin/blocks/blk00000.dat 2>/dev/null | grep -c '.dat')
bitcoinDataExists=$(ls /mnt/hdd/bitcoin/blocks/blk00000.dat 2>/dev/null | grep -c '.dat')
# check if node can go into presync (only for bitcoin)
if [ ${bitcoinDataExists} -eq 1 ]; then
# update info file
sed -i "s/^state=.*/state=presync/g" ${infoFile}
sed -i "s/^message=.*/message='starting presync'/g" ${infoFile}
# activating presync
# so that on a hackathon you can just connect a RaspiBlitz
# to the network and have it up-to-date for setting up
echo "Found pre-loaded blockchain" >> $logFile
# check if pre-sync was already activated on last power-on
#presyncActive=$(systemctl status bitcoind | grep -c 'could not be found')
echo "starting pre-sync in background" >> $logFile
# make sure that debug file is clean, so just pre-sync gets analysed on stop
sudo rm /mnt/hdd/bitcoin/debug.log 2>/dev/null
# starting in background, because this scripts is part of systemd
# so to change systemd needs to happen after delay in seperate process
sudo chown -R bitcoin:bitcoin /mnt/hdd/bitcoin 2>> $logFile
sudo -u bitcoin /usr/local/bin/bitcoind -daemon -conf=/home/admin/assets/bitcoin.conf -pid=/mnt/hdd/bitcoin/bitcoind.pid 2>> $logFile
echo "OK Started bitcoind for presync" >> $logFile
sudo sed -i "s/^message=.*/message='running presync'/g" ${infoFile}
# after admin login, presync will be stopped and HDD unmounted
exit 0
else
echo "OK - No bitcoin blockchain data found" >> $logFile
fi
# if it got until here: HDD is empty ext4
echo "Waiting for SetUp." >> $logFile
sed -i "s/^state=.*/state=waitsetup/g" ${infoFile}
sed -i "s/^message=.*/message='HDD needs SetUp (2)'/g" ${infoFile}
# unmount HDD to be ready for auto-mount during setup
sudo umount -l /mnt/hdd
exit 0
fi # END - no automount
#####################################
# UPDATE HDD CONFIG FILE (if exists)
# needs to be done before starting LND
# so that environment info is fresh
#####################################
echo "Check if HDD contains configuration .." >> $logFile
configExists=$(ls ${configFile} | grep -c '.conf')
if [ ${configExists} -eq 1 ]; then
# make sure lndAddress & lndPort exist
valueExists=$(cat ${configFile} | grep -c 'lndPort=')
if [ ${valueExists} -eq 0 ]; then
lndPort=$(sudo cat /mnt/hdd/lnd/lnd.conf | grep "^listen=*" | cut -f2 -d':')
if [ ${#lndPort} -eq 0 ]; then
lndPort="9735"
fi
echo "lndPort='${lndPort}'" >> ${configFile}
fi
valueExists=$(cat ${configFile} | grep -c 'lndAddress=')
if [ ${valueExists} -eq 0 ]; then
echo "lndAddress=''" >> ${configFile}
fi
# load values
echo "load and update publicIP" >> $logFile
source ${configFile}
freshPublicIP=""
# determine the publicIP/domain that LND should announce
if [ ${#lndAddress} -gt 3 ]; then
# use domain as PUBLICIP
freshPublicIP="${lndAddress}"
else
# update public IP on boot
# wait otherwise looking for publicIP fails
sleep 5
freshPublicIP=$(curl -s http://v4.ipv6-test.com/api/myip.php)
# sanity check on IP data
# see https://github.com/rootzoll/raspiblitz/issues/371#issuecomment-472416349
echo "-> sanity check of IP data:"
if [[ $freshPublicIP =~ ^(([0-9a-fA-F]{1,4}:){7,7}[0-9a-fA-F]{1,4}|([0-9a-fA-F]{1,4}:){1,7}:|([0-9a-fA-F]{1,4}:){1,6}:[0-9a-fA-F]{1,4}|([0-9a-fA-F]{1,4}:){1,5}(:[0-9a-fA-F]{1,4}){1,2}|([0-9a-fA-F]{1,4}:){1,4}(:[0-9a-fA-F]{1,4}){1,3}|([0-9a-fA-F]{1,4}:){1,3}(:[0-9a-fA-F]{1,4}){1,4}|([0-9a-fA-F]{1,4}:){1,2}(:[0-9a-fA-F]{1,4}){1,5}|[0-9a-fA-F]{1,4}:((:[0-9a-fA-F]{1,4}){1,6})|:((:[0-9a-fA-F]{1,4}){1,7}|:)|fe80:(:[0-9a-fA-F]{0,4}){0,4}%[0-9a-zA-Z]{1,}|::(ffff(:0{1,4}){0,1}:){0,1}((25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9])\.){3,3}(25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9])|([0-9a-fA-F]{1,4}:){1,4}:((25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9])\.){3,3}(25[0-5]|(2[0-4]|1{0,1}[0-9]){0,1}[0-9]))$ ]]; then
echo "OK IPv6"
elif [[ $freshPublicIP =~ ^([0-9]{1,2}|1[0-9][0-9]|2[0-4][0-9]|25[0-5])\.([0-9]{1,2}|1[0-9][0-9]|2[0-4][0-9]|25[0-5])\.([0-9]{1,2}|1[0-9][0-9]|2[0-4][0-9]|25[0-5])\.([0-9]{1,2}|1[0-9][0-9]|2[0-4][0-9]|25[0-5])$ ]]; then
echo "OK IPv4"
else
echo "FAIL - not an IPv4 or IPv6 address"
freshPublicIP=""
fi
if [ ${#freshPublicIP} -eq 0 ]; then
# prevent having no publicIP set at all and LND getting stuck
# https://github.com/rootzoll/raspiblitz/issues/312#issuecomment-462675101
if [ ${#publicIP} -eq 0 ]; then
localIP=$(ip addr | grep 'state UP' -A2 | tail -n1 | awk '{print $2}' | cut -f1 -d'/')
echo "WARNING: No publicIP information at all - working with placeholder: ${localIP}" >> $logFile
freshPublicIP="${localIP}"
fi
fi
fi
# set publicip value in raspiblitz.conf
if [ ${#freshPublicIP} -eq 0 ]; then
echo "WARNING: Was not able to determine external IP/domain on startup." >> $logFile
else
publicIPValueExists=$( sudo cat ${configFile} | grep -c 'publicIP=' )
if [ ${publicIPValueExists} -gt 1 ]; then
# remove one
echo "more then one publiIp entry - removing one" >> $logFile
sed -i "s/^publicIP=.*//g" ${configFile}
publicIPValueExists=$( sudo cat ${configFile} | grep -c 'publicIP=' )
fi
if [ ${publicIPValueExists} -eq 0 ]; then
echo "create value (${freshPublicIP})" >> $logFile
echo "publicIP='${freshPublicIP}'" >> $configFile
else
echo "update value (${freshPublicIP})" >> $logFile
sed -i "s/^publicIP=.*/publicIP='${freshPublicIP}'/g" ${configFile}
fi
fi
fi
#################################
# FIX BLOCKCHAINDATA OWNER (just in case)
# https://github.com/rootzoll/raspiblitz/issues/239#issuecomment-450887567
#################################
sudo chown bitcoin:bitcoin -R /mnt/hdd/bitcoin 2>/dev/null
#################################
# MAKE SURE ADMIN USER HAS LATEST LND DATA
#################################
source ${configFile}
if [ ${#network} -gt 0 ] && [ ${#chain} -gt 0 ]; then
echo "making sure LND blockchain RPC password is set correct in lnd.conf" >> $logFile
source <(sudo cat /mnt/hdd/${network}/${network}.conf 2>/dev/null | grep "rpcpass" | sed 's/^[a-z]*\./lnd/g')
if [ ${#rpcpassword} -gt 0 ]; then
sudo sed -i "s/^${network}d.rpcpass=.*/${network}d.rpcpass=${rpcpassword}/g" /mnt/hdd/lnd/lnd.conf 2>/dev/null
else
echo "WARN: could not get value 'rpcuser' from blockchain conf" >> $logFile
fi
echo "updating admin user LND data" >> $logFile
sudo cp /mnt/hdd/lnd/lnd.conf /home/admin/.lnd/lnd.conf 2>> $logFile
sudo chown admin:admin /home/admin/.lnd/lnd.conf 2>> $logFile
sudo cp /mnt/hdd/lnd/tls.cert /home/admin/.lnd/tls.cert 2>> $logFile
sudo chown admin:admin /home/admin/.lnd/tls.cert 2>> $logFile
sudo cp /mnt/hdd/lnd/data/chain/${network}/${chain}net/admin.macaroon /home/admin/.lnd/data/chain/${network}/${chain}net/admin.macaroon 2>/dev/null
sudo chown admin:admin /home/admin/.lnd/data/chain/${network}/${chain}net/admin.macaroon 2>> $logFile
else
echo "skipping admin user LND data update" >> $logFile
fi
################################
# DETECT FRESHLY RECOVERED SD
################################
recoveredInfoExists=$(ls /home/admin/raspiblitz.recover.info | grep -c '.info')
if [ ${recoveredInfoExists} -eq 1 ]; then
sed -i "s/^state=.*/state=recovered/g" ${infoFile}
sed -i "s/^message=.*/message='login to finish'/g" ${infoFile}
exit 0
fi
################################
# SD INFOFILE BASICS
################################
# state info
sed -i "s/^state=.*/state=ready/g" ${infoFile}
sed -i "s/^message=.*/message='waiting login'/g" ${infoFile}
# determine network and chain from system
# check for BITCOIN
loaded=$(sudo systemctl status bitcoind | grep -c 'loaded')
if [ ${loaded} -gt 0 ]; then
sed -i "s/^network=.*/network=bitcoin/g" ${infoFile}
source /mnt/hdd/bitcoin/bitcoin.conf
if [ ${testnet} -gt 0 ]; then
sed -i "s/^chain=.*/chain=test/g" ${infoFile}
else
sed -i "s/^chain=.*/chain=main/g" ${infoFile}
fi
fi
# check for LITECOIN
loaded=$(sudo systemctl status litecoind | grep -c 'loaded')
if [ ${loaded} -gt 0 ]; then
sed -i "s/^network=.*/network=litecoin/g" ${infoFile}
sed -i "s/^chain=.*/chain=main/g" ${infoFile}
fi
################################
# DELETE LOG FILES
################################
# LND and Blockchain Errors will be still in systemd journals
# /mnt/hdd/bitcoin/debug.log
sudo rm /mnt/hdd/${network}/debug.log 2>/dev/null
# /mnt/hdd/lnd/logs/bitcoin/mainnet/lnd.log
sudo rm /mnt/hdd/lnd/logs/${network}/${chain}net/lnd.log 2>/dev/null
################################
# RECORD BASEIMAGE
################################
baseImage="?"
isDietPi=$(uname -n | grep -c 'DietPi')
isRaspbian=$(cat /etc/os-release 2>/dev/null | grep -c 'Raspbian')
isArmbian=$(cat /etc/os-release 2>/dev/null | grep -c 'Debian')
isUbuntu=$(cat /etc/os-release 2>/dev/null | grep -c 'Ubuntu')
if [ ${isRaspbian} -gt 0 ]; then
baseImage="raspbian"
fi
if [ ${isArmbian} -gt 0 ]; then
baseImage="armbian"
fi
if [ ${isUbuntu} -gt 0 ]; then
baseImage="ubuntu"
fi
if [ ${isDietPi} -gt 0 ]; then
baseImage="dietpi"
fi
echo "baseimage=${baseImage}" >> $infoFile
################################
# STRESSTEST RASPBERRY PI
################################
if [ "${baseImage}" = "raspbian" ] ; then
# generate stresstest report on every startup (in case hardware has changed)
sed -i "s/^state=.*/state=stresstest/g" ${infoFile}
sed -i "s/^message=.*/message='Testing Hardware 60s'/g" ${infoFile}
sudo /home/admin/config.scripts/blitz.stresstest.sh /home/admin/stresstest.report
source /home/admin/stresstest.report
if [ "${powerWARN}" = "0" ]; then
# https://github.com/rootzoll/raspiblitz/issues/576
echo "" > /var/log/syslog
fi
fi
echo "DONE BOOTSTRAP" >> $logFile
exit 0