mirror of
https://github.com/YunoHost/yunohost_demo.git
synced 2024-09-03 19:56:44 +02:00
231 lines
8.1 KiB
Text
231 lines
8.1 KiB
Text
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#!/bin/bash
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#=================================================
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# DEMO HELPERS
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#=================================================
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# Start an LXC container in demo mode
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#
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# usage: ynh_lxc_demo_start --name=name --ip=ip
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# | arg: -n, --name= - name of the LXC
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# | arg: -n, --ip= - demo ip of the lxc
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#
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# Requires YunoHost version *.*.* or higher.
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ynh_lxc_demo_start () {
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# Declare an array to define the options of this helper.
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local legacy_args=ni
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local -A args_array=([n]=name= [i]=ip=)
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local name
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local ip
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# Manage arguments with getopts
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ynh_handle_getopts_args "$@"
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ynh_lxc_stop --name="$name"
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lxc config device set $name eth1 ipv4.address $ip
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_ynh_lxc_start_and_wait --name="$name"
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}
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# Stop an LXC container in demo mode
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#
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# usage: ynh_lxc_demo_stop --name=name
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# | arg: -n, --name= - name of the LXC
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#
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# Requires YunoHost version *.*.* or higher.
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ynh_lxc_demo_stop () {
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# Declare an array to define the options of this helper.
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local legacy_args=n
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local -A args_array=([n]=name=)
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local name
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# Manage arguments with getopts
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ynh_handle_getopts_args "$@"
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ynh_lxc_stop --name="$name"
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lxc config device unset $name eth1 ipv4.address
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}
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# Upgrading demo container
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#
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# usage: ynh_lxc_demo_upgrade --name=name --time_to_switch=time_to_switch
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# | arg: -n, --name= - name of the LXC
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# | arg: -t, --time_to_switch= - time to switch
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#
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# Requires YunoHost version *.*.* or higher.
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ynh_lxc_demo_upgrade () {
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# Declare an array to define the options of this helper.
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local legacy_args=nt
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local -A args_array=([n]=name= [t]=time_to_switch=)
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local name
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local time_to_switch
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# Manage arguments with getopts
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ynh_handle_getopts_args "$@"
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ynh_print_info --message="Upgrading $name"
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# Attend que la machine soit éteinte.
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# Timeout à $time_to_switch +5 minutes, en seconde
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TIME_OUT=$(($time_to_switch * 60 + 300))
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wait_period=0
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while ! ynh_lxc_is_stopped --name=$name
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do
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wait_period=$(($wait_period+10))
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if [ $wait_period -gt $TIME_OUT ];then
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break
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else
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sleep 5
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fi
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done
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while test -e /var/lib/lxd/$name.lock_fileS; do
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sleep 5 # Attend que le conteneur soit libéré par le script switch.
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done
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touch /var/lib/lxd/$name.lock_fileU # Met en place un fichier pour indiquer que la machine est indisponible pendant l'upgrade
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# Supprime les éventuels swap présents.
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/sbin/swapoff /var/lib/lxd/$name/rootfs/swap_*
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# Restaure le snapshot
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ynh_lxc_snapshot_load --name=$name --snapname=snap0
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# Démarre le conteneur
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date >> "$final_path/demo_boot.log"
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# Update
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update_apt=0
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ynh_lxc_run_inside --name="$name" --command="apt-get update"
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ynh_lxc_run_inside --name="$name" --command="apt-get dist-upgrade --dry-run | grep -q "^Inst " > /dev/null" # Vérifie si il y aura des mises à jour.
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if [ "$?" -eq 0 ]; then
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date
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update_apt=1
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# Upgrade
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ynh_lxc_run_inside --name="$name" --command="apt-get dist-upgrade --option Dpkg::Options::=--force-confold -yy"
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# Clean
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ynh_lxc_run_inside --name="$name" --command="apt-get autoremove -y"
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ynh_lxc_run_inside --name="$name" --command="apt-get autoclean"
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fi
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ynh_lxc_run_inside --name="$name" --command="yunohost tools update"
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ynh_lxc_run_inside --name="$name" --command="yunohost tools upgrade system"
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# Exécution des scripts de upgrade.d
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LOOP=$((LOOP + 1))
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while read LIGNE
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do
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if [ ! "$LIGNE" == "exemple" ] && [ ! "$LIGNE" == "old_scripts" ] && [ ! "$LIGNE" == "Constant_upgrade" ] && ! echo "$LIGNE" | grep -q ".fail$" # Le fichier exemple, le dossier old_scripts et les scripts fail sont ignorés
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then
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date
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# Exécute chaque script trouvé dans upgrade.d
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ynh_print_info --message="Exécution du script $LIGNE sur le conteneur $name"
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/bin/bash "$final_path/upgrade.d/$LIGNE" $name
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if [ "$?" -ne 0 ]; then # Si le script a échoué, le snapshot est annulé.
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ynh_print_info --message="Échec du script $LIGNE"
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mv -f "$final_path/upgrade.d/$LIGNE" "$final_path/upgrade.d/$LIGNE.fail"
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ynh_print_info --message="Échec d'exécution du script d'upgrade $LIGNE sur le conteneur $name sur le serveur de demo $DOMAIN!\nLe script a été renommé en .fail, il ne sera plus exécuté tant que le préfixe ne sera pas retiré.\n\nExtrait du log:\n$(tail -n +$log_line "$script_dir/demo_upgrade.log")" | mail -a "Content-Type: text/plain; charset=UTF-8" -s "Demo Yunohost" $MAIL_ADDR
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update_apt=0
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else
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ynh_print_info --message="Le script $LIGNE a été exécuté sans erreur"
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update_apt=1
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fi
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fi
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done <<< "$(ls -1 "$final_path/upgrade.d")"
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# Exécution des scripts de upgrade.d/Constant_upgrade
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while read LIGNE
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do
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if [ "$update_apt" -eq "1" ]
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then
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date
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# Exécute chaque script trouvé dans upgrade.d/Constant_upgrade
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ynh_print_info --message="Exécution du script $LIGNE sur le conteneur $name"
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/bin/bash "$final_path/upgrade.d/Constant_upgrade/$LIGNE" $name
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if [ "$?" -ne 0 ]; then
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ynh_print_info --message="Échec du script $LIGNE"
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ynh_print_info --message="Échec d'exécution du script d'upgrade $LIGNE sur le conteneur $name sur le serveur de demo $DOMAIN!\n"
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else
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ynh_print_info --message="Le script $LIGNE a été exécuté sans erreur"
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fi
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fi
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done <<< "$(ls -1 "$final_path/upgrade.d/Constant_upgrade")"
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# Upgrade des apps
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ynh_lxc_run_inside --name="$name" --command="yunohost tools update"
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ynh_lxc_run_inside --name="$name" --command="systemctl restart nginx"
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ynh_lxc_run_inside --name="$name" --command="yunohost tools upgrade apps"
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ynh_lxc_run_inside --name="$name" --command="systemctl restart nginx"
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# Arrêt de la machine virtualisée
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ynh_lxc_stop --name=$name
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if [ "$update_apt" -eq "1" ]
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then
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# Archivage du snapshot
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ynh_exec_warn_less tar -cz --acls --xattrs -f /var/lib/lxd/snapshots/$name/snap0.tar.gz /var/lib/lxd/snapshots/$name/snap0
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# Remplacement du snapshot
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ynh_lxc_snapshot_create --name=$name --snapname=snap0
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if [ "$LOOP" -eq 2 ]
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then # Après l'upgrade du 2e conteneur, déplace les scripts dans le dossier des anciens scripts si ils ont été exécutés avec succès.
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ls -1 "$final_path/upgrade.d" | while read LIGNE
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do
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if [ ! "$LIGNE" == "exemple" ] && [ ! "$LIGNE" == "old_scripts" ] && [ ! "$LIGNE" == "Constant_upgrade" ] && ! echo "$LIGNE" | grep -q ".fail$" # Le fichier exemple, le dossier old_scripts et les scripts fail sont ignorés
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then
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mv -f "$final_path/upgrade.d/$LIGNE" "$final_path/upgrade.d/old_scripts/$LIGNE"
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fi
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done
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fi
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fi
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ynh_secure_remove --file="/var/lib/lxd/$name.lock_fileU" # Libère le lock, la machine est à nouveau disponible
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ynh_print_info --message="Finished upgrading $name"
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}
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# Restore an LXC container from snap0 snapshot
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#
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# usage: ynh_lxc_demo_restore_from_snapshot --name=name
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# | arg: -n, --name= - name of the LXC
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#
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# Requires YunoHost version *.*.* or higher.
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ynh_lxc_demo_restore_from_snapshot () {
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# Declare an array to define the options of this helper.
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local legacy_args=n
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local -A args_array=([n]=name=)
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local name
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# Manage arguments with getopts
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ynh_handle_getopts_args "$@"
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ynh_print_info --message="Restoring LXC container $name from snapshot"
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ynh_lxc_snapshot_load --name=$name --snapname=snap0
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if ynh_lxc_check_container_start --name=$name
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then
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ynh_print_info --message="LXC container $name is working."
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return 0
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else
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ynh_print_info --message="LXC container $name is broken."
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return 1
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fi
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}
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# Restore an LXC container from an archive
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#
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# usage: ynh_lxc_demo_restore_from_archive --name=name
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# | arg: -n, --name= - name of the LXC
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#
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# Requires YunoHost version *.*.* or higher.
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ynh_lxc_demo_restore_from_archive () {
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# Declare an array to define the options of this helper.
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local legacy_args=n
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local -A args_array=([n]=name=)
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local name
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# Manage arguments with getopts
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ynh_handle_getopts_args "$@"
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if ! test -e "/var/lib/lxd/snapshots/$name/snap1.tar.gz"; then
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ynh_print_info --message="No snapshot archive for LXC container $name"
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return 1
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fi
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ynh_print_info --message="Restoring snapshot archive for LXC container $name"
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ynh_print_info --message="Deleting snapshot"
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ynh_lxc_snapshot_delete --name=$name --snapname=snap0
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ynh_print_info --message="Untar archive"
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tar -x --acls --xattrs -f /var/lib/lxd/snapshots/$name/snap0.tar.gz -C /
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ynh_lxc_demo_restore_from_snapshot --name=$name
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return $?
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}
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