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Merge pull request #1305 from dennisreimann/scb-backup

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SCB: Local backup and timestamping
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Christian Rotzoll 2020-07-04 00:35:38 +02:00 committed by GitHub
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2 changed files with 41 additions and 8 deletions
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8
README.md
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@ -939,6 +939,14 @@ The script `/home/admin/config.scripts/internet.sshpubkey.sh` helps on init, sho
To test it - open or close a channel and check if you find a copy of `channel.backup` on your remote server. You can check the background-script logs to see details on errors: `sudo journalctl -f -u background`
#### C) Local Backup Target
*You can also backup the SCB to another local drive, e.g. an USB stick:*
In the `/mnt/hdd/raspiblitz.conf` the parameter `localBackupTarget='[DIRPATH-WITHOUT-ENDING-/]'` can be set to activate this feature.
To test it - open or close a channel and check if you find a copy of `channel.backup` in the specified location. You can check the background-script logs to see details on errors: `sudo journalctl -f -u background`
## Updating RaspiBlitz to new Version
If you have a RaspiBlitz v1.2 or higher - just follow the `UPDATE` option from the main menu (choose `RELEASE` if asked) and follow the instructions.

41
home.admin/_background.sh
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@ -209,19 +209,42 @@ do
#echo "SCB Monitoring ..."
source ${configFile}
# check if channel.backup exists
scbExists=$(sudo ls /mnt/hdd/lnd/data/chain/${network}/${chain}net/channel.backup 2>/dev/null | grep -c 'channel.backup')
scbPath=/mnt/hdd/lnd/data/chain/${network}/${chain}net/channel.backup
scbExists=$(sudo ls $scbPath 2>/dev/null | grep -c 'channel.backup')
if [ ${scbExists} -eq 1 ]; then
# timestamp backup filename
timestampedFileName=channel-$(date "+%Y%m%d-%H%M%S").backup
localBackupDir=/home/admin/backups/scb/
localBackupPath=${localBackupDir}/channel.backup
localTimestampedPath=${localBackupDir}/${timestampedFileName}
#echo "Found Channel Backup File .. check if changed .."
md5checksumORG=$(sudo md5sum /mnt/hdd/lnd/data/chain/${network}/${chain}net/channel.backup 2>/dev/null | head -n1 | cut -d " " -f1)
md5checksumCPY=$(sudo md5sum /home/admin/backups/scb/channel.backup 2>/dev/null | head -n1 | cut -d " " -f1)
md5checksumORG=$(sudo md5sum $scbPath 2>/dev/null | head -n1 | cut -d " " -f1)
md5checksumCPY=$(sudo md5sum $localBackupPath 2>/dev/null | head -n1 | cut -d " " -f1)
if [ "${md5checksumORG}" != "${md5checksumCPY}" ]; then
echo "--> Channel Backup File changed"
# make copy to sd card (as local basic backup)
sudo mkdir -p /home/admin/backups/scb/ 2>/dev/null
sudo cp /mnt/hdd/lnd/data/chain/${network}/${chain}net/channel.backup /home/admin/backups/scb/channel.backup
echo "OK channel.backup copied to '/home/admin/backups/scb/channel.backup'"
sudo cp $scbPath $localBackupPath
sudo cp $scbPath $localTimestampedPath
echo "OK channel.backup copied to '${localBackupPath}' and '{$localTimestampedPath}'"
# check if a local backup target is set
# parameter in raspiblitz.conf:
# localBackupTarget='[DIRPATH-WITHOUT-ENDING-/]'
if [ ${#localBackupTarget} -gt 0 ]; then
echo "--> Onsite-Backup SCP Server"
sudo cp ${localBackupPath} ${localBackupTarget}/
sudo cp ${localTimestampedPath} ${localBackupTarget}/
result=$?
if [ ${result} -eq 0 ]; then
echo "OK - Local Backup exited with 0"
else
echo "FAIL - Local Backup exited with ${result}"
fi
fi
# check if a SCP backup target is set
# parameter in raspiblitz.conf:
# scpBackupTarget='[USER]@[SERVER]:[DIRPATH-WITHOUT-ENDING-/]'
@ -231,7 +254,8 @@ do
echo "--> Offsite-Backup SCP Server"
# its ok to ignore known host, because data is encrypted (worst case of MiM would be: no offsite channel backup)
# but its more likely that without ignoring known host, script might not run thru and that way: no offsite channel backup
sudo scp -o StrictHostKeyChecking=no -o UserKnownHostsFile=/dev/null /mnt/hdd/lnd/data/chain/${network}/${chain}net/channel.backup ${scpBackupTarget}/channel.backup
sudo scp -o StrictHostKeyChecking=no -o UserKnownHostsFile=/dev/null ${localBackupPath} ${scpBackupTarget}/
sudo scp -o StrictHostKeyChecking=no -o UserKnownHostsFile=/dev/null ${localTimestampedPath} ${scpBackupTarget}/
result=$?
if [ ${result} -eq 0 ]; then
echo "OK - SCP Backup exited with 0"
@ -246,7 +270,8 @@ do
# see dropbox setup: https://gist.github.com/vindard/e0cd3d41bb403a823f3b5002488e3f90
if [ ${#dropboxBackupTarget} -gt 0 ]; then
echo "--> Offsite-Backup Dropbox"
source <(sudo /home/admin/config.scripts/dropbox.upload.sh upload ${dropboxBackupTarget} /mnt/hdd/lnd/data/chain/${network}/${chain}net/channel.backup)
source <(sudo /home/admin/config.scripts/dropbox.upload.sh upload ${dropboxBackupTarget} ${localBackupPath})
source <(sudo /home/admin/config.scripts/dropbox.upload.sh upload ${dropboxBackupTarget} ${localTimestampedPath})
if [ ${#err} -gt 0 ]; then
echo "FAIL - ${err}"
echo "${errMore}"