Created
July 29, 2019 04:26
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#!/bin/sh | |
#Bail if borg is already running, maybe previous run didn't finish | |
if pidof -x borg >/dev/null; then | |
echo "Backup already running" | |
exit | |
fi | |
# Setting this, so the repo does not need to be given on the commandline: | |
export BORG_REPO=/mnt/backup/prox01/main | |
# Setting this, so you won't be asked for your repository passphrase: | |
export BORG_PASSPHRASE='password' | |
# or this to ask an external program to supply the passphrase: | |
export BORG_PASSCOMMAND='pass show backup' | |
# some helpers and error handling: | |
info() { printf "\n%s %s\n\n" "$( date )" "$*" >&2; } | |
trap 'echo $( date ) Backup interrupted >&2; exit 2' INT TERM | |
info "Starting backup" | |
# Backup the most important directories into an archive named after | |
# the machine this script is currently running on: | |
borg create \ | |
--verbose \ | |
--filter AME \ | |
--list \ | |
--stats \ | |
--show-rc \ | |
--compression zlib,9 \ | |
--exclude-caches \ | |
--exclude '/home/*/.cache/*' \ | |
--exclude '/var/cache/*' \ | |
--exclude '/var/tmp/*' \ | |
--exclude '/var/lib/docker/*' \ | |
--exclude '/var/lib/lxcfs/*' \ | |
\ | |
::'{hostname}-{now}' \ | |
/etc \ | |
/home \ | |
/root \ | |
/var \ | |
/storage/proxmox/docker \ | |
backup_exit=$? | |
info "Pruning repository" | |
# Use the `prune` subcommand to maintain 7 daily, 4 weekly and 6 monthly | |
# archives of THIS machine. The '{hostname}-' prefix is very important to | |
# limit prune's operation to this machine's archives and not apply to | |
# other machines' archives also: | |
borg prune \ | |
--list \ | |
--prefix '{hostname}-' \ | |
--show-rc \ | |
--keep-daily 7 \ | |
--keep-weekly 4 \ | |
--keep-monthly 6 \ | |
prune_exit=$? | |
# use highest exit code as global exit code | |
global_exit=$(( backup_exit > prune_exit ? backup_exit : prune_exit )) | |
if $global_exit: -eq 0 ; then | |
info "Backup and Prune finished successfully" | |
elif $global_exit -eq 1 ; then | |
info "Backup and/or Prune finished with warnings" | |
else | |
info "Backup and/or Prune finished with errors" | |
fi | |
exit ${global_exit} |
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