386 lines
12 KiB
Bash
386 lines
12 KiB
Bash
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#!/bin/bash
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# --------------------------------------------------------------------------------------
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# Didier
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#
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# Script de sauvegarde avec BorgBackup
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# la commande de creation du dépot est : borg init --encryption=repokey /mnt/backup-nas1/BorgRepo
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# la conf de borg est dans /root/.config/borg
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# Le repository peut etre distant: BORG_REPO='ssh://user@host:port/path/to/repo'
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# la clé ssh devra être copiée sur le site distant et l' init se fera sous la forme
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# borg init --encryption=repokey ssh://user@host:port/path/to/repo
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# la clé est modifiable avec la commande borg key change-passphrase
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# toutes les variables sont dans la config générale de KAZ
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# scripts PRE et Post
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# les script pre et post doivent s' appelle pre_xxxxx.sh ou post_xxxx.sh
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# La variable BORGSCRIPTS est le chemin du repertoire des scripts dans la config générale de Kaz
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#####################################################
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#KAZ_ROOT=$(cd "$(dirname $0)"/..; pwd)
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KAZ_ROOT=/kaz
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. $KAZ_ROOT/bin/.commonFunctions.sh
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setKazVars
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. $DOCKERS_ENV
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. $KAZ_ROOT/secret/SetAllPass.sh
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VERSION="V-18-05-2024"
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PRG=$(basename $0)
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RACINE=$(echo $PRG | awk '{print $1}')
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#IFS=' '
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#####################################################
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# Variables générales
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#####################################################
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# le volume monté ou sera le repo
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# impérativement laisser vide dans le cas d' un repo distant
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VOLUME_SAUVEGARDES=${borg_VOLUME_SAUVEGARDES}
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# le repo Borg
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export BORG_REPO=${borg_BORG_REPO}
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# Le mot de passe du repo
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export BORG_PASSPHRASE=${borg_BORG_PASSPHRASE}
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# les personnes qui recevront le rapport de sauvegarde
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MAIL_RAPPORT=${borg_MAIL_RAPPORT}
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# Recevoir un mail quand la sauvegarde est OK ?
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MAILOK=${borg_MAILOK}
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MAILWARNING=${borg_MAILWARNING}
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MAILDETAIL=${borg_MAILDETAIL}
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# repertoire de montage des sauvegardes pour les restaurations
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BORGMOUNT=${borg_BORGMOUNT}
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# - la liste des repertoires à sauver séparés par un espace
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LISTREPSAUV=${borg_LISTREPSAUV}
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# - Les sauvegardes à garder jour, semaines, mois
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NB_BACKUPS_JOUR=${borg_NB_BACKUPS_JOUR}
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NB_BACKUPS_SEM=${borg_NB_BACKUPS_SEM}
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NB_BACKUPS_MOIS=${borg_NB_BACKUPS_MOIS}
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# Le Repertoire ou sont les pré traitement
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BORGSCRIPTS=${borg_BORGSCRIPTS}
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BORGLOG="${borg_BORGLOG}/BorgBackup-$(date +%d-%m-%Y-%H-%M-%S).log"
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DEBUG=false
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#####################################################
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#
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FICLOG="/var/log/${PRG}.log"
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#####################################################
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trap 'LogFic "script stoppé sur un SIGTERM ou SIGINT" >&2; exit 2' INT TERM
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LogFic() {
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[ ! -w ${FICLOG} ] && { echo "Probleme d' ecriture dans $FICLOG" ; exit 1 ;}
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echo "$(date +%d-%m-%Y-%H-%M-%S) : $1" >> ${FICLOG}
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}
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#
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ExpMail() {
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MAIL_SOURCE=$1
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MAIL_SUJET=$2
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MAIL_DEST=$3
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MAIL_TEXTE=$4
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# a mettre ailleurs
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mailexp=${borg_MAILEXP}
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mailpassword=${borg_MAILPASSWORD}
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mailserveur=${borg_MAILSERVEUR}
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#
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#sendemail -t ${MAIL_DEST} -u ${MAIL_SUJET} -m ${MAIL_TEXTE} -f $mailexp -s $mailserveur:587 -xu $mailexp -xp $mailpassword -o tls=yes >/dev/null 2>&1
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printf "Subject:${MAIL_SUJET}\n${MAIL_TEXTE}" | msmtp ${MAIL_DEST}
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#docker exec -i mailServ mailx -a 'Content-Type: text/plain; charset="UTF-8"' -r ${MAIL_SOURCE} -s "${MAIL_SUJET}" ${MAIL_DEST} << EOF
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#${MAIL_TEXTE}
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#EOF
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}
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Pre_Sauvegarde() {
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if [ -d ${BORGSCRIPTS} ]
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then
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cd ${BORGSCRIPTS}
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for FicPre in $(ls )
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do
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if [ -x ${FicPre} ] && [ $(echo ${FicPre} | grep -i ^pre_) ]
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then
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LogFic " - Pré traitement de la sauvegarde : ${FicPre}"
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[ "$DEBUG" = true ] && echo " - Pré traitement de la sauvegarde : ${FicPre}"
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./${FicPre}
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fi
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done
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fi
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}
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Post_Sauvegarde() {
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if [ -d ${BORGSCRIPTS} ]
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then
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cd ${BORGSCRIPTS}
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for FicPre in $(ls )
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do
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if [ -x ${FicPre} ] && [ $(echo ${FicPre} | grep -i ^post_) ]
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then
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LogFic " - Post traitement de la sauvegarde : ${FicPre}"
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[ "$DEBUG" = true ] && echo " - Post traitement de la sauvegarde : ${FicPre}"
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./${FicPre}
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fi
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done
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fi
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}
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Sauvegarde() {
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Pre_Sauvegarde
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BACKUP_PRE=$?
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borg create \
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--filter AME \
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--exclude-caches \
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--stats \
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--show-rc \
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--exclude 'home/*/.cache/*' \
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--exclude 'var/tmp/*' \
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::$(date +%Y-%m-%d-%H-%M-%S-%A)-{hostname} \
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${LISTREPSAUV} >>${BORGLOG} 2>>${BORGLOG}
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BACKUP_EXIT=$?
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Post_Sauvegarde
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BACKUP_POST=$?
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}
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Purge() {
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borg prune \
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--prefix '{hostname}-' \
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--keep-daily ${NB_BACKUPS_JOUR} \
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--keep-weekly ${NB_BACKUPS_SEM} \
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--keep-monthly ${NB_BACKUPS_MOIS} \
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PRUNE_EXIT=$?
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}
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Compact() {
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borg compact --progress ${BORG_REPO}
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}
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usage() {
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echo "-h : Usage"
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echo "-c : Permet de compacter ${BORG_REPO}"
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echo "-d : Permet de verifier les variables de sauvegarde"
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echo "-i : Mode interractif"
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echo "-l : Liste les sauvegardes sans monter ${BORG_REPO}"
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echo "-m : Monte le REPO (${BORG_REPO} sur ${BORGMOUNT})"
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echo "-p : Permet de lancer la phase de purge des backup en fonctions des variables: jour=${NB_BACKUPS_JOUR},semaine=${NB_BACKUPS_SEM},mois=${NB_BACKUPS_MOIS}"
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echo "-s : Lance la sauvegarde"
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echo "-u : Demonte le REPO (${BORG_REPO} de ${BORGMOUNT})"
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echo "-v : Version"
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exit
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}
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Borgvariables() {
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echo "-----------------------------------------------------------"
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echo " Variables applicatives pour le site ${site}"
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echo "-----------------------------------------------------------"
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for borgvar in $(set | grep borg_ | sed -e 's/borg_//' -e 's/=.*$//' | grep ^[A-Z])
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do
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echo "$borgvar=${!borgvar}"
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done
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if grep borgfs /etc/mtab >/dev/null 2>&1
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then
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echo -e "${RED}WARNING${NC}: ${BORG_REPO} est monté sur ${BORGMOUNT}"
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fi
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}
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Borgmount() {
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LogFic "Montage du repo ${BORG_REPO} sur ${BORGMOUNT} .. "
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echo -en "Montage du repo ${BORG_REPO} sur ${BORGMOUNT} .. "
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borg mount ${BORG_REPO} ${BORGMOUNT} >/dev/null 2>&1
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if [ $? = 0 ]
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then
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LogFic "Ok"
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echo -e "${GREEN}Ok${NC}"
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else
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LogFic "Error"
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echo -e "${RED}Error $?${NC}"
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fi
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exit
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}
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Borgumount() {
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LogFic "Demontage du repo ${BORG_REPO} sur ${BORGMOUNT} .. "
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echo -en "Demontage du repo ${BORG_REPO} sur ${BORGMOUNT} .. "
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borg umount ${BORGMOUNT} >/dev/null 2>&1
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if [ $? = 0 ]
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then
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LogFic "Ok"
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echo -e "${GREEN}Ok${NC}"
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else
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LogFic "Error"
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echo -e "${RED}Error $?${NC}"
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fi
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exit
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}
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Borglist() {
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LogFic "Borg list demandé"
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borg list --short ${BORG_REPO}
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exit
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}
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main() {
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# ****************************************************** Main *******************************************************************
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# Création du fichier de log
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touch ${FICLOG}
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type -P sendemail || { echo "sendemail non trouvé";exit 1;}
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#
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LogFic "#########################################################################################################################"
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LogFic " *************** ${PRG} Version ${VERSION} ***************"
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LogFic "#########################################################################################################################"
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# test si les variables importantes sont renseignées et sortie si tel n' est pas le cas
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if [ -z "${VOLUME_SAUVEGARDES}" ] && [ -z "${BORG_REPO}" ] || [ -z "${BORG_REPO}" ] || [ -z "${BORG_PASSPHRASE}" ] || [ -z "${MAIL_RAPPORT}" ]
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then
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echo "Les variables VOLUME_SAUVEGARDES, BORG_REPO, BORG_PASSPHRASE, MAIL_RAPPORT sont à verifier"
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LogFic "Les variables VOLUME_SAUVEGARDES, BORG_REPO, BORG_PASSPHRASE, MAIL_RAPPORT sont à verifier"
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LogFic "Sortie du script"
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exit 1
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fi
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# test si le volume de sauvegarde est ok
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if [ ! -z ${VOLUME_SAUVEGARDES} ]
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then
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[ !$(grep "${VOLUME_SAUVEGARDES}" /etc/mtab >/dev/null 2>&1) ] || { echo "le volume de sauvegarde ${VOLUME_SAUVEGARDES} n' est pas monté"; LogFic "Erreur de montage du volume ${VOLUME_SAUVEGARDES} de sauvegarde" ; exit 1;}
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else
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[ ! $(echo ${BORG_REPO} | grep -i ssh 2>/dev/null) ] && { echo "Problème avec le repo distant ";exit 1;}
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fi
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# Test si le REPO est monté : on sort
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if grep borgfs /etc/mtab >/dev/null 2>&1
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then
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echo "le REPO : ${BORG_REPO} est monté , je sors"
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LogFic "le REPO : ${BORG_REPO} est monté , je sors"
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ExpMail borg@${domain} "${site} : Sauvegarde en Erreur !!!!" ${MAIL_RAPPORT} "le REPO : ${BORG_REPO} est monté, sauvegarde impossible"
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exit 1
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fi
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# Tout se passe bien on continue
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LogFic " - Repertoire a sauver : ${LISTREPSAUV}"
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LogFic " - Volume Nfs monté : ${VOLUME_SAUVEGARDES}"
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LogFic " - Repertoire des sauvegardes : ${BORG_REPO}"
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[ ! -d ${BORGSCRIPTS} ] && LogFic "Pas de repertoire de PRE et POST" || LogFic " - Repertoire des scripts Post/Pré : ${BORGSCRIPTS}"
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[ "${DEBUG}" = true ] && [ -d ${BORGSCRIPTS} ] && echo "Rep des scripts PRE/POST :${BORGSCRIPTS}"
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LogFic " - Rapport par Mail : ${MAIL_RAPPORT}"
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LogFic " - Backups jour : ${NB_BACKUPS_JOUR} , Backups semaines : ${NB_BACKUPS_SEM} , Backups mois : ${NB_BACKUPS_MOIS}"
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[ "${DEBUG}" = true ] && echo "${LISTREPSAUV} sauvé dans ${BORG_REPO}, Rapport vers : ${MAIL_RAPPORT}"
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LogFic "#########################################################################################################################"
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LogFic " - Démarrage de la sauvegarde"
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[ "$DEBUG" = true ] && echo "Demarrage de la sauvegarde : "
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LogFic " - Log dans ${BORGLOG}"
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Sauvegarde
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[ "$DEBUG" = true ] && echo "code de retour de backup : ${BACKUP_EXIT}"
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LogFic " - Code de retour de la commande sauvegarde : ${BACKUP_EXIT}"
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LogFic " - Démarrage du nettoyage des sauvegardes"
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[ "$DEBUG" = true ] && echo "Nettoyage des sauvegardes: "
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Purge
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LogFic " - Code retour du Nettoyage des sauvegardes (0=OK; 1=WARNING, 2=ERROR) : ${PRUNE_EXIT}"
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[ "$DEBUG" = true ] && echo "code de retour prune : ${PRUNE_EXIT}"
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#
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########################################################################################
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# si la variable MAILDETAIL est true alors on affecte le contenu du log sinon LOGDATA est VIDE
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LOGDATA=""
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[ "$MAILDETAIL" = true ] && LOGDATA=$(cat ${BORGLOG})
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[ "$DEBUG" = true ] && [ "$MAILDETAIL" = true ] && echo "Envoi du mail à ${MAIL_RAPPORT}"
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# On teste le code retour de la sauvegarde, on log et on envoie des mails
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case "${BACKUP_EXIT}" in
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'0' )
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IFS=''
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MESS_SAUVE_OK="
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Salut
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La sauvegarde est ok, ce message peut être enlevé avec la variable MAILOK=false
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Que la force soit avec toi
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BorgBackup
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"
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LogFic " - la sauvegarde est OK"
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[ "$MAILOK" = true ] && ExpMail borg@${domain} "${site} : Sauvegarde Ok" ${MAIL_RAPPORT} ${MESS_SAUVE_OK}${LOGDATA}
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IFS=' '
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;;
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'1' )
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IFS=''
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MESS_SAUVE_ERR="
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Salut
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La sauvegarde est en warning
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Code de retour de la commande sauvegarde : ${BACKUP_EXIT}
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Le log contenant les infos est ${BORGLOG}
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BorgBackup
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"
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LogFic " - Sauvegarde en Warning: ${BACKUP_EXIT}"
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[ "$MAILWARNING" = true ] && ExpMail borg@${domain} "${site} : Sauvegarde en Warning: ${BACKUP_EXIT}" ${MAIL_RAPPORT} ${MESS_SAUVE_ERR}${LOGDATA}
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IFS=' '
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;;
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* )
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IFS=''
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MESS_SAUVE_ERR="
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Salut
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La sauvegarde est en Erreur
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Code de retour de la commande sauvegarde : ${BACKUP_EXIT}
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Le log à consulter est ${BORGLOG}
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BorgBackup
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"
|
||
|
|
LogFic " - !!!!! Sauvegarde en Erreur !!!!! : ${BACKUP_EXIT}"
|
||
|
|
ExpMail borg@${domain} "${site} : Sauvegarde en Erreur !!!! : ${BACKUP_EXIT}" ${MAIL_RAPPORT} ${MESS_SAUVE_ERR}${LOGDATA}
|
||
|
|
IFS=' '
|
||
|
|
;;
|
||
|
|
esac
|
||
|
|
LogFic " - Fin de la sauvegarde"
|
||
|
|
exit
|
||
|
|
}
|
||
|
|
|
||
|
|
[ ! "$#" -eq "0" ] || usage
|
||
|
|
# On teste les arguments pour le script
|
||
|
|
for ARG in $@; do
|
||
|
|
case "${ARG}" in
|
||
|
|
'-h' | '-help' )
|
||
|
|
usage
|
||
|
|
;;
|
||
|
|
'-m' )
|
||
|
|
shift
|
||
|
|
Borgmount
|
||
|
|
;;
|
||
|
|
'-u' )
|
||
|
|
shift
|
||
|
|
Borgumount
|
||
|
|
;;
|
||
|
|
'-l' )
|
||
|
|
shift
|
||
|
|
Borglist
|
||
|
|
;;
|
||
|
|
'-i' )
|
||
|
|
shift
|
||
|
|
DEBUG=true
|
||
|
|
;;
|
||
|
|
'-v' )
|
||
|
|
shift
|
||
|
|
echo "Version : ${VERSION}"
|
||
|
|
exit
|
||
|
|
;;
|
||
|
|
'-d' )
|
||
|
|
shift
|
||
|
|
Borgvariables
|
||
|
|
exit
|
||
|
|
;;
|
||
|
|
'-c' )
|
||
|
|
shift
|
||
|
|
Compact
|
||
|
|
exit
|
||
|
|
;;
|
||
|
|
'-s' )
|
||
|
|
main
|
||
|
|
;;
|
||
|
|
'-p' )
|
||
|
|
shift
|
||
|
|
read -p "Ok pour lancer la purge en fonction de ces valeurs : jour=${NB_BACKUPS_JOUR},semaine=${NB_BACKUPS_SEM},mois=${NB_BACKUPS_MOIS} ? O/N : " READPURGE
|
||
|
|
[[ ${READPURGE} =~ ^[oO]$ ]] && Purge || echo "pas de purge"
|
||
|
|
exit
|
||
|
|
;;
|
||
|
|
* | ' ' )
|
||
|
|
usage
|
||
|
|
;;
|
||
|
|
esac
|
||
|
|
done
|