yunohost_demo/demo_restore_crash.sh

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#!/bin/bash
# Tente de réparer les conteneurs LXC à partir des snapshots et des sauvegardes.
# Récupère le dossier du script
if [ "${0:0:1}" == "/" ]; then script_dir="$(dirname "$0")"; else script_dir="$(echo $PWD/$(dirname "$0" | cut -d '.' -f2) | sed 's@/$@@')"; fi
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source $script_dir/ynh_lxd
source $script_dir/ynh_lxd_demo
source /usr/share/yunohost/helpers
app=${__APP__:-yunohost_demo}
final_path=$(ynh_app_setting_get --app=$app --key=final_path)
lxdbr_demo_network=$(ynh_app_setting_get --app=$app --key=lxdbr_demo_network)
lxc_ip1=$(ynh_app_setting_get --app=$app --key=lxc_ip1)
lxc_ip2=$(ynh_app_setting_get --app=$app --key=lxc_ip2)
lxc_name1=$(ynh_app_setting_get --app=$app --key=lxc_name1)
lxc_name2=$(ynh_app_setting_get --app=$app --key=lxc_name2)
ynh_print_info --message="Désactive le cron switch."
sed -i "s/.*demo_switch.sh/#&/" /etc/cron.d/demo_switch # Le cron est commenté durant l'opération de maintenance.
ynh_print_info --message="Suppression des lock et arrêt forcé des conteneurs."
ynh_secure_remove --file="/var/lib/lxd/$lxc_name1.lock_fileS"
ynh_secure_remove --file="/var/lib/lxd/$lxc_name2.lock_fileS"
ynh_secure_remove --file="/var/lib/lxd/$lxc_name1.lock_fileU"
ynh_secure_remove --file="/var/lib/lxd/$lxc_name2.lock_fileU"
ynh_lxc_stop_as_demo --name="$lxc_name1"
ynh_lxc_stop_as_demo --name="$lxc_name2"
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# Vérifie l'état des conteneurs.
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ynh_lxc_check_container_start --name=$lxc_name1
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LXC1_STATUS=$?
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ynh_lxc_check_container_start --name=$lxc_name2
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LXC2_STATUS=$?
if [ $LXC1_STATUS -eq 1 ]; then
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ynh_print_info --message="\e[91m> Conteneur $lxc_name1 en défaut.\e[0m"
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else
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ynh_print_info --message="\e[92m> Conteneur $lxc_name1 en état de marche.\e[0m"
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fi
if [ $LXC2_STATUS -eq 1 ]; then
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ynh_print_info --message="\e[91m> Conteneur $lxc_name2 en défaut.\e[0m"
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else
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ynh_print_info --message="\e[92m> Conteneur $lxc_name2 en état de marche.\e[0m"
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fi
# Restauration des snapshots
if [ $LXC1_STATUS -eq 1 ]; then
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ynh_lxc_restore_from_snapshot --name=$lxc_name1
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LXC1_STATUS=$?
fi
if [ $LXC2_STATUS -eq 1 ]; then
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ynh_lxc_restore_from_snapshot --name=$lxc_name2
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LXC2_STATUS=$?
fi
# Restauration des archives des snapshots
if [ $LXC1_STATUS -eq 1 ]; then
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ynh_lxc_restore_from_archive --name=$lxc_name1
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LXC1_STATUS=$?
fi
if [ $LXC2_STATUS -eq 1 ]; then
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ynh_lxc_restore_from_archive --name=$lxc_name2
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LXC2_STATUS=$?
fi
# Si des erreurs persistent, tente de cloner depuis un conteneur sain
if [ $LXC1_STATUS -eq 1 ] && [ $LXC2_STATUS -eq 0 ] ; then
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ynh_lxc_clone --source=$lxc_name2 --destination=$lxc_name1
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LXC1_STATUS=$?
fi
if [ $LXC2_STATUS -eq 1 ] && [ $LXC1_STATUS -eq 0 ]; then
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ynh_lxc_clone --source=$lxc_name1 --destination=$lxc_name2
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LXC2_STATUS=$?
fi
# Résultats finaux
if [ $LXC1_STATUS -eq 1 ] || [ $LXC2_STATUS -eq 1 ]; then
if [ $LXC1_STATUS -eq 1 ]; then
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ynh_print_info --message="\e[91m\n> Le conteneur $lxc_name1 n'a pas pu être réparé...\e[0m"
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fi
if [ $LXC2_STATUS -eq 1 ]; then
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ynh_print_info --message="\e[91m\n> Le conteneur $lxc_name2 n'a pas pu être réparé...\e[0m"
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fi
else
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ynh_print_info --message="\e[92m\n> Les 2 conteneurs sont sains et fonctionnels.\e[0m"
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fi
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ynh_print_info --message="Réactive le cron switch."
sed -i "s/#*\*/\*/" /etc/cron.d/demo_switch # Le cron est décommenté
ynh_print_info --message="Restart la demo."
$final_path/demo_start.sh