Torjus Håkestad
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126 lines
4.0 KiB
Nix
126 lines
4.0 KiB
Nix
{ pkgs, config, ... }:
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let
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# Backup home script
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backup-home = pkgs.writeShellApplication {
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name = "backup-home";
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runtimeInputs = with pkgs; [
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coreutils
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curl
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jq
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libnotify
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restic
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];
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text = ''
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echo "========== BACKUP HOME STARTING =========="
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export RESTIC_PASSWORD="gunter.home.2rjus.net"
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export RESTIC_REPOSITORY="rest:http://10.69.12.52:8000/gunter.home.2rjus.net"
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SECRET_PATH="$XDG_CONFIG_HOME/sops-nix/secrets/gotify_backup_home"
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if ! [ -f "$SECRET_PATH" ]; then
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notify-send -u critical "Backup issue" "Secret file for gotify token does not exist"
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else
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GOTIFY_TOKEN=$(<"$SECRET_PATH")
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if [ -z "$GOTIFY_TOKEN" ]; then
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notify-send -u critical "Backup issue" "No Gotify token found"
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fi
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fi
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# Send start notification
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notify-send -e -t 3000 "Backup started" "Backup of /home/torjus started"
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retval=$?
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if [ $retval -ne 0 ]; then
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echo "Failed to send notification"
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fi
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# Do the backup
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echo "========== BACKUP TASK STARTING =========="
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SECONDS=0
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restic backup /home/torjus \
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--exclude '/home/torjus/.cache' \
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--exclude '/home/torjus/.local/share/Steam' \
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--exclude '/home/torjus/.local/share/containers' \
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--exclude '/home/torjus/.var' \
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--exclude '/home/torjus/.local/share/lutris' \
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--exclude '/home/torjus/.npm' \
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--exclude '/home/torjus/.factorio/mods' \
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--exclude '/home/torjus/.zoom' \
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--exclude '/home/torjus/Games' \
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--exclude '/home/torjus/git/nixpkgs'
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retval=$?
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if [ $retval -ne 0 ]; then
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notify-send -u critical "Backup failed" "Backup of /home/torjus failed"
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retval=$?
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if [ $retval -ne 0 ]; then
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curl "https://gotify.t-juice.club/message?token=$GOTIFY_TOKEN" \
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-F "title=Backup of home@gunter failed!" \
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-F "message=Please check status of backup-home service"
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fi
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fi
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BACKUP_DURATION="$SECONDS"
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echo "========== BACKUP TASK COMPLETE =========="
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# Remove old snapshots and prune
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echo "========== PRUNE TASK STARTING =========="
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restic forget -d 7 -w 4 -m 6 --keep-within 1d --prune
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echo "========== PRUNE TASK COMPLETE =========="
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# Gather statistics
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echo "========== STATS TASK STARTING =========="
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stats=$(restic stats --json)
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stats_raw=$(restic stats --mode=raw-data --json)
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raw_size=$(jq -r '.total_size' <<< "$stats_raw" \
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| numfmt --to=iec --suffix=B --format="%.2f")
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total_size=$(jq -r '.total_size' <<< "$stats" \
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| numfmt --to=iec --suffix=B --format="%.2f")
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total_files=$(jq -r '.total_file_count' <<< "$stats" \
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| numfmt --to=iec)
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total_snapshots=$(jq -r '.snapshots_count' <<< "$stats")
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message="$total_files files\n$total_snapshots snapshots\n$raw_size ($total_size)"
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echo "========== STATS TASK COMPLETE =========="
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# Send completion notification
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notify-send -i checkmark -e -t 10000 \
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"Backup of /home/torjus completed in ''${BACKUP_DURATION}s (''${SECONDS}s total)" "$message"
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retval=$?
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if [ $retval -ne 0 ]; then
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echo "Failed to send notification"
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exit $retval
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fi
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echo "========== BACKUP HOME COMPLETE =========="
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'';
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};
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in
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{
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sops.secrets."gotify_backup_home" = { };
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systemd.user.services.backup-home = {
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Unit = {
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Description = "Backup home directory";
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After = [
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"network.target"
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"sops-nix.service"
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];
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};
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Service = {
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Type = "oneshot";
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ExecStart = "${backup-home}/bin/backup-home";
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};
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};
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systemd.user.timers.backup-home = {
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Unit = {
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Description = "Backup home directory";
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After = [ "network.target" ];
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};
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Timer = {
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OnCalendar = "*-*-* *:00:00";
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Persistent = true;
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};
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Install = {
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WantedBy = [
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"timers.target"
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"graphical-session.target"
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];
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};
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};
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}
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