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e04683f26a
| Author | SHA1 | Date | |
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 Casper V. Kristensen
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e04683f26a | ||
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Casper V. Kristensen
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c4ecd61bb4 |
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@ -1,33 +1,22 @@
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#!/bin/bash
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set -e
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# Desktop notification
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function notify() {
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if [ -x "$(command -v notify-send)" ]; then
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# https://stackoverflow.com/questions/28195805/running-notify-send-as-root/49533938#49533938
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local display=":$(ls /tmp/.X11-unix/* | sed 's#/tmp/.X11-unix/X##' | head -n 1)"
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local uid=$(id -u caspervk)
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sudo -u caspervk DISPLAY=$display DBUS_SESSION_BUS_ADDRESS=unix:path=/run/user/$uid/bus notify-send --expire-time=0 --icon=backup "$@"
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fi
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}
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# This script is based on the script at:
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# https://borgbackup.readthedocs.io/en/stable/quickstart.html#automating-backups
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notify "Borgbackup: Started"
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# The repo path is relative to the directory the server `cd`s to before calling `borg serve`, i.e. `repos/<hostname>/`
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# https://borgbackup.readthedocs.io/en/stable/usage/general.html#repository-urls
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export BORG_REPO=ssh://borg@borg.caspervk.net:22222/./auto
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# Avoid UnicodeError
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export LANG=en_US.UTF-8
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# Ask an external program to supply the repository passphrase:
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# Use stdout of the following command to answer the passphrase question for encrypted repositories
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export BORG_PASSCOMMAND='cat /usr/local/etc/borg/passphrase.key'
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# When running Borg using an automated script, ssh might still ask for a password, even if there is an SSH key for
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# the target server. Use this to make scripts more robust:
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export BORG_RSH='ssh -oBatchMode=yes'
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# Set repository location
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# Note: because of the way the server is set up, the repo resides in `/home/borg/repos/<hostname>/` on the server.
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export BORG_REPO=ssh://borg@sigma.caspervk.net:222/./auto-full
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# Initialize remote repository (doesn't matter if it already is).
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# Initialize remote repository (doesn't matter if it already has been)
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borg init --encryption=repokey-blake2
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# Backup directories into an archive named after the machine and current utc time.
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@ -37,11 +26,10 @@ borg init --encryption=repokey-blake2
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# An exclude rule starts with the prefix -.
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# An exclude-norecurse rule starts with !.
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borg create \
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--filter AME \
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--show-rc \
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--progress \
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--stats \
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--compression zstd \
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--remote-ratelimit 0 \
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--exclude-caches \
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\
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--pattern '! /dev' \
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@ -55,40 +43,42 @@ borg create
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--pattern '! /var/cache' \
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--pattern '! /**/found.000/*' \
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--pattern '! /mnt' \
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--pattern '! /var/lib/docker' \
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\
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--pattern '! /home/*/.steam' \
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--pattern '! /home/*/GOG Games' \
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--pattern '! /home/*/.cache' \
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--pattern '! /home/*/Downloads' \
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--pattern '! /home/*/.local/share/Trash' \
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--pattern '! /home/*/infrastructure/*/*/data' \
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\
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--pattern '+ /media/caspervk/C/Users/Casper/Desktop' \
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--pattern '+ /media/caspervk/C/Users/Casper/Documents' \
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--pattern '+ /media/caspervk/C/Program Files (x86)/World of Warcraft/_classic_' \
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--pattern '- /media' \
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--pattern '+ /media/caspervk/Backup/borg' \
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--pattern '! /media' \
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\
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--pattern '- /media/caspervk/Backup/Downloads' \
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--pattern '- /media/caspervk/Backup/monero' \
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--pattern '- /media/caspervk/Backup/Programmer/VirtualBox' \
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--pattern '+ /media/caspervk/Backup' \
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::'{hostname}-{utcnow}' \
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/
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backup_exit=$?
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# Use the `prune` subcommand to maintain 7 daily, 4 weekly and 6 monthly archives:
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# Note that as the repo is append-only, prune won’t free disk space, but merely tag data as deleted in a new
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# transaction. As soon as we write to the repo in non-append-only mode (e.g. prune, delete or create archives from an
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# admin machine), it will remove the deleted objects permanently (including the ones that were already marked as
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# deleted, but not removed, in append-only mode).
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# Prunes repository by deleting all archives not matching any of the specified retention options. Repository disk space
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# is NOT freed until `borg compact` is run.
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# See https://borgbackup.readthedocs.io/en/stable/usage/prune.html for an explanation of the 'keep' options.
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borg prune \
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--list \
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--show-rc \
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--keep-daily 7 \
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--keep-weekly 4 \
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--keep-monthly 6
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--list \
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--keep-daily 14 \
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--keep-weekly 6 \
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--keep-monthly 12
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prune_exit=$?
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notify "Borgbackup: Finished"
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# _Actually_ free repository disk space by compacting segments
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borg compact
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compact_exit=$?
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# use highest exit code as global exit code
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# Use highest exit code as global exit code
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global_exit=$(( backup_exit > prune_exit ? backup_exit : prune_exit ))
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global_exit=$(( compact_exit > global_exit ? compact_exit : global_exit ))
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exit ${global_exit}
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@ -4,5 +4,5 @@ After=network.target network-online.target
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[Service]
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Type=oneshot
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ExecStartPre=/bin/sh -c 'until host sigma.caspervk.net; do sleep 10; done'
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ExecStartPre=/bin/sh -c 'until host borg.caspervk.net; do sleep 10; done'
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ExecStart=/usr/local/sbin/backup.sh
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20
config.fish
20
config.fish
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@ -1 +1,21 @@
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fzf_configure_bindings --directory=\cf --git_log=\cg
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# Completions for 3rd-party applications
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if type -q flux
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flux completion fish | source
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end
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if type -q helm
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helm completion fish | source
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end
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if type -q k9s
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k9s completion fish | source
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end
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if type -q kind
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kind completion fish | source
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end
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if type -q tfctl
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tfctl completion fish | source
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end
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if type -q ytt
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ytt completion fish | source
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end
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@ -13,7 +13,7 @@ sudo chmod 744 /usr/local/sbin/backup.sh
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# Passphrase
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if [ ! -f /usr/local/etc/borg/passphrase.key ]; then
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sudo mkdir --parents --mode=700 /usr/local/etc/borg/
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sudo mkdir --parents --mode=755 /usr/local/etc/borg/
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echo '@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@'
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echo '@@ PLEASE BACKUP BORG PASSPHRASE: @@'
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pwgen 32 1 | sudo tee /usr/local/etc/borg/passphrase.key
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@ -33,17 +33,8 @@ sudo systemctl start borg-daily.timer
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# SSH
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ssh-keyscan -t ed25519 -p 222 sigma.caspervk.net | sudo tee /root/.ssh/known_hosts # add backup server to known_hosts
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sudo ssh-keygen -t ed25519 # generate key for the root user
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echo "Please add the following to ~borg/.ssh/authorized_keys on the server:"
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echo "command=\"mkdir -p ~/repos/$(hostname); cd ~/repos/$(hostname); borg serve --append-only --restrict-to-path ~/repos/$(hostname)\",restrict $(sudo cat /root/.ssh/id_ed25519.pub)"
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ssh-keyscan -t ed25519 -p 22222 borg.caspervk.net | sudo tee /root/.ssh/known_hosts # add backup server to known_hosts
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sudo ssh-keygen -t ed25519 || true # generate key for the root user, it's fine if it already exists
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echo "Please add /root/.ssh/id_ed25519.pub to the servers authorized_keys"
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read -p 'Press any key when done to test the connection.. (should return "PTY allocation request failed on channel 0")'
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sudo ssh borg@sigma.caspervk.net -p 222
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# To setup the server:
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# sudo apt install borgbackup
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# sudo adduser --disabled-password borg
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# sudo su borg
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# cd ~
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# mkdir --mode=700 repos/
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sudo ssh borg@borg.caspervk.net -p 22222
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