Plan borg: updates (step).
This commit is contained in:
parent
640957ae31
commit
eba69a5c73
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@ -12,7 +12,6 @@ Le plan Borg est une solution de sauvegarde basée sur Borgmatic.
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Ajouter les backports bullseye dans `/etc/apt/source.list` :
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```
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deb http://ftp.fr.debian.org/debian/ bullseye-backports main
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```
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Installer les paquets nécessaires :
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@ -33,49 +32,39 @@ chmod go-rwx ~/.ssh
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ssh-keygen -t ed25519
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```
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Créer un dossier pour les scripts maison :
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```
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mkdir -p ~borg/bin
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```
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Récupérer les scripts et modèles :
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```
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cd ~borg/
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mkdir bin models
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wget
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URL=https://git.a-lec.org/a-lec/commissions/infrastructure/sauvegardes/-/raw/main/Plan%20Borg/
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cd bin
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wget -nv $URL/bin/dobackup-server
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wget -nv $URL/bin/dobackup-remote
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wget -nv $URL/bin/dobackup-rsync
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wget -nv $URL/bin/dobackups
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wget -nv $URL/bin/dochecks
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wget -nv $URL/bin/dochecksb
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wget -nv $URL/bin/doinit
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wget -nv $URL/bin/doprunes
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wget -nv $URL/bin/doprunesb
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wget -nv $URL/bin/lastbackups
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cd ../models
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wget -nv $URL/models/cron
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wget -nv $URL/models/excludes
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wget -nv $URL/models/model-conf-local.yaml
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wget -nv $URL/models/model-conf-remote.yaml
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#wget -nv $URL/models/model-conf-remote-client.yaml
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#wget -nv $URL/models/model-conf-rsync.yaml
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wget -nv $URL/models/retention.yaml
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cd .. ; find
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```
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Créer les dossiers de configuration de Borgmatic :
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Déployer la configuration générique de Borgmatic :
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```
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mkdir -p /etc/borgmatic/ /etc/borgmatic.d/
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cp /srv/borg/models/retention.yaml /etc/borgmatic/
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cp /srv/borg/models/excludes /etc/borgmatic/
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```
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Définir dans `/etc/borgmatic/retention.yaml` les valeurs de rétentions communes :
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```
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keep_within: 14d
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keep_daily: 7
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keep_weekly: 12
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keep_monthly: 11
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```
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Définir dans `/etc/borgmatic/excludes` les patterns d'exclusion :
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```
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pp:var/cache/
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pp:var/backups/vm/
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pp:var/backups/borg/
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fm:*/.gvfs
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fm:*/.thumbnails
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fm:*/.bkl-thumbnails
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fm:*/Cache
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fm:*/.cache
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fm:*/cache
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fm:*/cache2
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fm:*/.davfs2
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fm:*/.local/share/Trash
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fm:*/lost+found
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fm:*/sharedfs
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```
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Définir une passphrase générique :
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```
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echo "XXXXXXXXXXXXXXXXXXXXXXXXXXX" > ~borg/.borg-passphrase
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@ -94,26 +83,16 @@ chown borg /var/backup/borg
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Configurer le `cron` dans `/etc/cron.d/backups` :
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```
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10 0 * * * borg /srv/borg/bin/dobackups >> /var/backups/borg/dobackups.log 2>&1
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10 12 * * * borg /srv/borg/bin/doprune >> /var/backups/borg/doprune.log 2>&1
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10 5 * * 0 borg /srv/borg/bin/dochecks >> /var/backups/borg/dochecks.log 2>&1
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cp /srv/borg/models/cron /etc/cron.d/backups
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cd /srv/borg/
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ln -s /etc/cron.d/backups cron
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```
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# Configurer la sauvegarde de la machine locale
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# Configurer la sauvegarde du serveur de sauvegarde
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Créer une configuration pour la sauvegarde de la machine locale `/etc/borgmatic.d/sauvkipeu.yaml` :
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Initialiser le contexte Borgmatic :
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```
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cp /srv/borg/models/model-conf-local.yaml /etc/borgmatic.d/
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```
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Vérifier que la configuration Borgmatic est valide :
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```
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validate-borgmatic-config
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```
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Initialiser le dépôt de la machine locale :
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```
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/srv/borg/bin/doinit sauvkipeu
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/srv/borg/bin/doinit-local
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```
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Lancer la première sauvegarde locale (dure moins d'une minutes) :
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@ -123,43 +102,33 @@ time /srv/borg/bin/dobackup-local
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Afficher les informations du dépôt :
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```
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borgmatic -c /etc/borgmatic.d/sauvkipeu.yaml info
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borgmatic -c /etc/borgmatic.d/$(hostname).yaml info
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```
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Afficher la liste des sauvegardes du dépôt :
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```
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borgmatic -c /etc/borgmatic.d/sauvkipeu.yaml list
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borgmatic -c /etc/borgmatic.d/$(hostname).yaml list
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```
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Afficher le contenu de la sauvegarde :
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```
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borgmatic -c /etc/borgmatic.d/sauvkipeu.yaml list --archive 2023-01-14T09:20
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borgmatic -c /etc/borgmatic.d/$(hostname).yaml list --archive $(borgmatic -c /etc/borgmatic.d/$(hostname).yaml list --short | tail -1)
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```
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Ajouter le lancement de la sauvegarde dans `/srv/borg/bin/dobackups` :
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Ajouter le déclenchement de la sauvegarde dans `/srv/borg/bin/dobackups` :
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```
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/srv/borg/bin/dobackup-local
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```
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# Configurer la sauvegarde d'une machine en remote
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C'est le cas nominal. Le principe consiste à configurer le serveur de sauvegarde pour déclencher l'action de sauvegarde sur la machine à sauvegarder.
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## Côté serveur de sauvegarde
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Configurer Borgmatic dans `/etc/borgmatic.d/foo.bar.org.yaml` :
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Initialiser le contexte Borgmatic :
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```
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cp /srv/borg/models/model-conf-remote.yaml /etc/borgmatic.d/config.yaml
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```
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Modifier le chemin le chemin du dépôt :
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```
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repositories:
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- /var/backups/borg/foo.bar.org.repo
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```
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Créer le dossier du nouveau dépôt de sauvegarde :
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```
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/srv/borg/bin/doinit foo.bar.org
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/srv/borg/bin/doinit-remote status.libre-en-communs.org
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```
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Ajouter un accès ssh restreint dans `/srv/borg/.ssh/authorized_keys` :
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@ -169,9 +138,9 @@ command="export BORG_PASSCOMMAND=/srv/borg/.borg-passphrase; borg serve --restri
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## Côté machine à sauvegarder
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Ajouter les backports bullseye dans `/etc/apt/source.list` :
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Ajouter les backports bullseye dans `/etc/apt/source.list.d` :
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```
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deb http://ftp.fr.debian.org/debian/ bullseye-backports main
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echo "deb http://ftp.fr.debian.org/debian/ bullseye-backports main" > /etc/apt/sources.list.d/backports.list
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```
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Installer les paquets nécessaires :
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@ -183,9 +152,9 @@ Créer et peupler le dossier de configruation de Borgmatic :
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```
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mkdir -p /etc/borgmatic
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cd /etc/borgmatic
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wget htpps://.../retention.yaml
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wget htpps://.../Plan B/models/excludes
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wget htpps://.../Plan B/models/model-conf-remote2.yaml /etc/borgmatic/config.yaml
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URL=https://git.a-lec.org/a-lec/commissions/infrastructure/sauvegardes/-/raw/main/Plan%20Borg/
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wget -nv $URL/models/excludes
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wget -nv $URL/models/model-conf-remote-client.yaml -O /etc/borgmatic/config.yaml
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```
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Vérifier que la configuration Borgmatic est valide :
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@ -195,7 +164,7 @@ validate-borgmatic-config
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Configurer la passphrase dans `/etc/borgmatic/config.yaml` :
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```
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encryption_passphrase: XXXXXXXXXXXXXX
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encryption_passphrase: 'XXXXXXXXXXXXXX'
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```
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Ajouter la clé borg du serveur de sauvegarde dans `/home/admin666/.ssh/authorized_keys` :
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@ -217,7 +186,7 @@ borgmatic -c /etc/borgmatic.d/foo.bar.org.yaml info
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Afficher la liste des sauvegardes du dépôt :
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```
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borgmatic -c /etc/borgmatic.d/foo.bar.orgyaml list
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borgmatic -c /etc/borgmatic.d/foo.bar.org.yaml list
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```
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Afficher le contenu de la sauvegarde :
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@ -1,6 +1,6 @@
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#!/bin/bash
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COMPUTER=$(hostname -s)
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COMPUTER=$(hostname)
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CONFIG="/etc/borgmatic.d/$COMPUTER.yaml"
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if [ -f "$CONFIG" ]; then
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echo "=================================================================="
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@ -2,7 +2,7 @@
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help()
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{
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echo "Usage: doinit [ -h | -help | --help | <MACHINE> ]"
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echo "Usage: doinit [ -h | -help | --help | <COMPUTER> ]"
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echo "Init a borg repository."
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}
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@ -0,0 +1,23 @@
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#!/bin/bash
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help()
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{
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echo "Usage: doinit-local [ -h | -help | --help | <COMPUTER> ]"
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echo "Init borgmatic configuration for the backup computer."
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}
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#
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help=0
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if (( $# != 0)); then
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help
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else
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echo "== Create the borgmatic configuration file."
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cp /srv/borg/models/model-conf-local.yaml /etc/borgmatic.d/$(hostname).yaml
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echo "== Verify the bogmatic configuration file."
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validate-borgmatic-config
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echo "== Create the repository directory."
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/srv/borg/bin/doinit $(hostname)
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fi
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@ -0,0 +1,38 @@
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#!/bin/bash
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help()
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{
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echo "Usage: doinit-remote [ -h | -help | --help | <COMPUTER> ]"
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echo "Init borgmatic configuration for a remote computer."
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}
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#
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help=0
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if (( $# != 1)); then
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help=1
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else
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for parameter in $@; do
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if [ "$parameter" == "-h" ] || [ "$parameter" == "-help" ] || [ "$parameter" == "--help" ]; then
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help=1
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fi
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done
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fi
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if (( $help )); then
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help
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else
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COMPUTER="$1"
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echo "== Create the borgmatic configuration file."
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cp /srv/borg/models/model-conf-remote.yaml /etc/borgmatic.d/${COMPUTER}.yaml
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echo "== Update the repository directory in borgmatic configuration file."
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sed -i s/\<HOSTNAME\>/${COMPUTER}/g /etc/borgmatic.d/${COMPUTER}.yaml
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echo "== Verify the bogmatic configuration file."
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validate-borgmatic-config
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echo "== Create the repository directory."
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/srv/borg/bin/doinit ${COMPUTER}
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fi
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@ -0,0 +1,39 @@
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#!/bin/bash
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help()
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{
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echo "Usage: doinit-rsync [ -h | -help | --help | <COMPUTER> ]"
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echo "Init borgmatic configuration for a rsync mirror."
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}
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#
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help=0
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if (( $# != 1)); then
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help=1
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else
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for parameter in $@; do
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if [ "$parameter" == "-h" ] || [ "$parameter" == "-help" ] || [ "$parameter" == "--help" ]; then
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help=1
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fi
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done
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fi
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if (( $help )); then
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help
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else
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COMPUTER="$1"
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# TODOOOOOOOOOOOOOOOOOOOOOOOOOO
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echo "== Create the borgmatic configuration file."
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cp /srv/borg/models/model-conf-remote.yaml /etc/borgmatic.d/${COMPUTER}.yaml
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echo "== Update the repository directory in borgmatic configuration file."
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sed -i s/\<HOSTNAME\>/${COMPUTER}/g /etc/borgmatic.d/${COMPUTER}.yaml
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echo "== Verify the bogmatic configuration file."
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validate-borgmatic-config
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echo "== Create the repository directory."
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/srv/borg/bin/doinit ${COMPUTER}
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fi
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@ -2,8 +2,8 @@
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SCRIPT_NAME="$(basename "$0")"
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BACKUPS_DIR="/var/backups/borg/$computer"
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cd $BACKUPS_DIR
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BORG_REPOS="/var/backups/borg/"
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cd $BORG_REPOS
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for BORG_REPO in $(ls -d *.repo); do
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if [ -d "$BORG_REPO" ]; then
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#echo "$BORG_REPO"
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@ -9,7 +9,7 @@ location:
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- /var
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repositories:
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- /var/backups/borg/{hostname}.repo
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- /var/backups/borg/{fqdn}.repo
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exclude_from:
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- /etc/borgmatic/excludes
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@ -25,6 +25,7 @@ consistency:
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checks:
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- repository
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- archives
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prefix: '2' # This foo line is required with old borgmatic version.
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output:
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color: false
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@ -9,8 +9,8 @@ location:
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- /var
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repositories:
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- borgmaster@sauvkipeu:/var/backups/borg/foo.bar.org.repo
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- borgmaster@gardefou:/var/backups/borg/foo.bar.org.repo
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- borg@sauvkipeu:/var/backups/borg/$(hostname).repo
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#- borg@gardefou:/var/backups/borg/$(hostname).repo
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exclude_from:
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- /etc/borgmatic/excludes
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@ -18,8 +18,7 @@ location:
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storage:
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ssh_command: ssh -p XXXXX
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encryption_passphrase: blablabla
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# archive_name_format: '{fqdn}-{now:%Y-%m-%dT%H:%M}'
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archive_name_format: '{fqdn}-{now:%Y%m%d}'
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archive_name_format: '{fqdn}-{now:%Y-%m-%dT%H:%M}'
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retention:
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prefix: '{fqdn}-'
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@ -7,10 +7,15 @@ location:
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retention:
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!include /etc/borgmatic/retention.yaml
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storage:
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encryption_passcommand: 'cat /srv/borg/.borg-passphrase'
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#archive_name_format: '{now:%Y-%m-%dT%H:%M}'
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consistency:
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checks:
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- repository
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- archives
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prefix: '2' # This foo line is required with old borgmatic version.
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storage:
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encryption_passcommand: 'cat /srv/borg/.borg-passphrase'
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