AdminSysGNULinux

Restic - L’excellent outil de sauvegarde de fichiers

Voir : https://restic.net/

Voir aussi :

• Rclone
• Les outils de sauvegrade en mode block tel que Bup
• Kopia.io

Exemple avec rclone

rclone serve restic --addr localhost:8889 --user foo --pass s3kr1t remote:bucket/path

export RESTIC_REPOSITORY='rest:http://foo:s3kr1t@localhost:8889'
export RESTIC_PASSWORD=Password123

restic init
restic snapshots
restic stats
restic find --tag Plop '*'
restic backup /data/
find ~/bin/ -maxdepth 1 -type f -print0 | restic backup --tag plop --files-from-raw=/dev/stdin
restic ls -l latest

mkdir mnt
restic mount mnt/ &
ls -l ~/mnt/snapshots/latest/

$ ls mnt/
hosts  ids  snapshots  tags

Maintenance

restic check --read-data
restic prune
 
restic migrate 
restic migrate upgrade_repo_v2
restic migrate 

Remove snapshot

restic snapshots 
 
restic forget 5bb4af18
 
restic prune

A partir de la version 0.17

restic snapshots --json add5377d | jq

Sinon

# Affiche la taille restant après effacement
$ restic forget --dry-run --prune add5377d | grep remaining
remaining:         98347 blobs / 8.590 GiB
unused size after prune: 0 B (0.00% of remaining size)

$ restic stats add5377d | grep -i size
Stats in restore-size mode:
              Total Size:  31.640 GiB

$ restic stats --mode raw-data add5377d | grep -i size
 Total Uncompressed Size:  9.152 GiB
              Total Size:  8.235 GiB

$ rclone size e_nas:
Total objects: 589 (589)
Total size: 8.598 GiB (9232005166 Byte) 

$ rclone size NAS_FTP:home/Backup/
Total objects: 589 (589)
Total size: 8.600 GiB (9234283006 Byte)

$ restic forget --dry-run --prune $(restic snapshots --tag blob | awk '/DATA$/ {print $1}') | grep remaining
remaining:         87662 blobs / 417.746 MiB
unused size after prune: 0 B (0.00% of remaining size)

Diff entre deux snapshots

restic snapshots --latest 2 --tag blob | grep /Work$
restic diff -v f462cfae a230e52f

Différences de tailles entre deux snapshots

$ restic diff f462cfae a230e52f | egrep "Added|Removed"
  Added:   0 B
  Removed: 0 B

bin/backup.sh

#! /bin/bash
 
set -euo pipefail
 
# export RESTIC_REPOSITORY='rest:http://localhost:8889'
# export RESTIC_PASSWORD=P@ssw0rd
 
# shellcheck source=/home/management/.backup.env
source ~/.backup.env
 
do_rclone_listen() {
    rclone serve restic --addr localhost:8889 e_nas:/restic1
}
 
do_backup() {
    restic backup --tag code ~/code/
    restic backup --tag code ~/*.env
    restic backup --tag blob ~/Work/
    restic backup --tag tools ~/go/bin/
    restic backup --exclude='tmp/' --tag blob /mnt/c/DATA/
    find ~/bin/ -maxdepth 1 -type f -print0 | restic backup --tag script --files-from-raw=/dev/stdin
}
 
do_post_backup() {
    restic prune
}
 
main() {
    do_rclone_listen &
    sleep 1
    do_backup
    do_post_backup
    killall rclone
    echo OK
}
 
main