261 lines
9.7 KiB
Bash
Executable File
261 lines
9.7 KiB
Bash
Executable File
#!/usr/bin/env bash
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if [[ ! -z ${MAILCOW_BACKUP_LOCATION} ]]; then
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BACKUP_LOCATION="${MAILCOW_BACKUP_LOCATION}"
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fi
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if [[ ! ${1} =~ (backup|restore) ]]; then
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echo "First parameter needs to be 'backup' or 'restore'"
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exit 1
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fi
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if [[ ${1} == "backup" && ! ${2} =~ (crypt|vmail|redis|rspamd|postfix|mysql|all|--delete-days) ]]; then
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echo "Second parameter needs to be 'vmail', 'crypt', 'redis', 'rspamd', 'postfix', 'mysql', 'all' or '--delete-days'"
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exit 1
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fi
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if [[ -z ${BACKUP_LOCATION} ]]; then
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while [[ -z ${BACKUP_LOCATION} ]]; do
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read -ep "Backup location (absolute path, starting with /): " BACKUP_LOCATION
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done
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fi
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if [[ ! ${BACKUP_LOCATION} =~ ^/ ]]; then
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echo "Backup directory needs to be given as absolute path (starting with /)."
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exit 1
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fi
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if [[ -f ${BACKUP_LOCATION} ]]; then
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echo "${BACKUP_LOCATION} is a file!"
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exit 1
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fi
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if [[ ! -d ${BACKUP_LOCATION} ]]; then
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echo "${BACKUP_LOCATION} is not a directory"
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read -p "Create it now? [y|N] " CREATE_BACKUP_LOCATION
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if [[ ! ${CREATE_BACKUP_LOCATION,,} =~ ^(yes|y)$ ]]; then
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exit 1
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else
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mkdir -p ${BACKUP_LOCATION}
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chmod 755 ${BACKUP_LOCATION}
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fi
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else
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if [[ ${1} == "backup" ]] && [[ -z $(echo $(stat -Lc %a ${BACKUP_LOCATION}) | grep -oE '[0-9][0-9][5-7]') ]]; then
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echo "${BACKUP_LOCATION} is not write-able for others, that's required for a backup."
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exit 1
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fi
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fi
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BACKUP_LOCATION=$(echo ${BACKUP_LOCATION} | sed 's#/$##')
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SCRIPT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
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COMPOSE_FILE=${SCRIPT_DIR}/../docker-compose.yml
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echo "Using ${BACKUP_LOCATION} as backup/restore location."
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echo
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source ${SCRIPT_DIR}/../mailcow.conf
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CMPS_PRJ=$(echo $COMPOSE_PROJECT_NAME | tr -cd "[A-Za-z-_]")
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function backup() {
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DATE=$(date +"%Y-%m-%d-%H-%M-%S")
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mkdir -p "${BACKUP_LOCATION}/mailcow-${DATE}"
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chmod 755 "${BACKUP_LOCATION}/mailcow-${DATE}"
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cp "${SCRIPT_DIR}/../mailcow.conf" "${BACKUP_LOCATION}/mailcow-${DATE}"
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while (( "$#" )); do
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case "$1" in
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vmail|all)
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docker run --rm \
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-v ${BACKUP_LOCATION}/mailcow-${DATE}:/backup \
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-v $(docker volume ls -qf name=${CMPS_PRJ}_vmail-vol-1):/vmail:ro \
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debian:stretch-slim /bin/tar --warning='no-file-ignored' --use-compress-program="gzip --rsyncable --best" -Pcvpf /backup/backup_vmail.tar.gz /vmail
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;;&
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crypt|all)
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docker run --rm \
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-v ${BACKUP_LOCATION}/mailcow-${DATE}:/backup \
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-v $(docker volume ls -qf name=${CMPS_PRJ}_crypt-vol-1):/crypt:ro \
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debian:stretch-slim /bin/tar --warning='no-file-ignored' --use-compress-program="gzip --rsyncable --best" -Pcvpf /backup/backup_crypt.tar.gz /crypt
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;;&
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redis|all)
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docker exec $(docker ps -qf name=redis-mailcow) redis-cli save
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docker run --rm \
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-v ${BACKUP_LOCATION}/mailcow-${DATE}:/backup \
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-v $(docker volume ls -qf name=${CMPS_PRJ}_redis-vol-1):/redis:ro \
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debian:stretch-slim /bin/tar --warning='no-file-ignored' --use-compress-program="gzip --rsyncable --best" -Pcvpf /backup/backup_redis.tar.gz /redis
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;;&
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rspamd|all)
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docker run --rm \
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-v ${BACKUP_LOCATION}/mailcow-${DATE}:/backup \
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-v $(docker volume ls -qf name=${CMPS_PRJ}_rspamd-vol-1):/rspamd:ro \
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debian:stretch-slim /bin/tar --warning='no-file-ignored' --use-compress-program="gzip --rsyncable --best" -Pcvpf /backup/backup_rspamd.tar.gz /rspamd
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;;&
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postfix|all)
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docker run --rm \
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-v ${BACKUP_LOCATION}/mailcow-${DATE}:/backup \
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-v $(docker volume ls -qf name=${CMPS_PRJ}_postfix-vol-1):/postfix:ro \
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debian:stretch-slim /bin/tar --warning='no-file-ignored' --use-compress-program="gzip --rsyncable --best" -Pcvpf /backup/backup_postfix.tar.gz /postfix
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;;&
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mysql|all)
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SQLIMAGE=$(grep -iEo '(mysql|mariadb)\:.+' ${COMPOSE_FILE})
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docker run --rm \
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--network $(docker network ls -qf name=${CMPS_PRJ}_) \
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-v $(docker volume ls -qf name=${CMPS_PRJ}_mysql-vol-1):/var/lib/mysql/:ro \
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--entrypoint= \
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-v ${BACKUP_LOCATION}/mailcow-${DATE}:/backup \
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${SQLIMAGE} /bin/sh -c "mysqldump -hmysql -uroot -p${DBROOT} --all-databases | gzip > /backup/backup_mysql.gz"
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;;&
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--delete-days)
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shift
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if [[ "${1}" =~ ^[0-9]+$ ]]; then
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find ${BACKUP_LOCATION}/* -maxdepth 0 -mmin +$((${1}*60*24)) -exec rm -rvf {} \;
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else
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echo "Parameter of --delete-days is not a number."
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fi
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;;
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esac
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shift
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done
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}
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function restore() {
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docker stop $(docker ps -qf name=watchdog-mailcow)
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RESTORE_LOCATION="${1}"
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shift
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while (( "$#" )); do
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case "$1" in
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vmail)
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docker stop $(docker ps -qf name=dovecot-mailcow)
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docker run -it --rm \
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-v ${RESTORE_LOCATION}:/backup \
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-v $(docker volume ls -qf name=${CMPS_PRJ}_vmail-vol-1):/vmail \
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debian:stretch-slim /bin/tar -Pxvzf /backup/backup_vmail.tar.gz
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docker start $(docker ps -aqf name=dovecot-mailcow)
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echo
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echo "In most cases it is not required to run a full resync, you can run the command printed below at any time after testing wether the restore process broke a mailbox:"
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echo
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echo "docker exec $(docker ps -qf name=dovecot-mailcow) doveadm force-resync -A '*'"
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echo
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read -p "Force a resync now? [y|N] " FORCE_RESYNC
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if [[ ${FORCE_RESYNC,,} =~ ^(yes|y)$ ]]; then
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docker exec $(docker ps -qf name=dovecot-mailcow) doveadm force-resync -A '*'
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else
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echo "OK, skipped."
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fi
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;;
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redis)
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docker stop $(docker ps -qf name=redis-mailcow)
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docker run -it --rm \
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-v ${RESTORE_LOCATION}:/backup \
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-v $(docker volume ls -qf name=${CMPS_PRJ}_redis-vol-1):/redis \
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debian:stretch-slim /bin/tar -Pxvzf /backup/backup_redis.tar.gz
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docker start $(docker ps -aqf name=redis-mailcow)
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;;
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crypt)
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docker stop $(docker ps -qf name=dovecot-mailcow)
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docker run -it --rm \
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-v ${RESTORE_LOCATION}:/backup \
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-v $(docker volume ls -qf name=${CMPS_PRJ}_crypt-vol-1):/crypt \
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debian:stretch-slim /bin/tar -Pxvzf /backup/backup_crypt.tar.gz
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docker start $(docker ps -aqf name=dovecot-mailcow)
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;;
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rspamd)
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docker stop $(docker ps -qf name=rspamd-mailcow)
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docker run -it --rm \
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-v ${RESTORE_LOCATION}:/backup \
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-v $(docker volume ls -qf name=${CMPS_PRJ}_rspamd-vol-1):/rspamd \
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debian:stretch-slim /bin/tar -Pxvzf /backup/backup_rspamd.tar.gz
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docker start $(docker ps -aqf name=rspamd-mailcow)
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;;
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postfix)
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docker stop $(docker ps -qf name=postfix-mailcow)
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docker run -it --rm \
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-v ${RESTORE_LOCATION}:/backup \
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-v $(docker volume ls -qf name=${CMPS_PRJ}_postfix-vol-1):/postfix \
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debian:stretch-slim /bin/tar -Pxvzf /backup/backup_postfix.tar.gz
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docker start $(docker ps -aqf name=postfix-mailcow)
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;;
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mysql)
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SQLIMAGE=$(grep -iEo '(mysql|mariadb)\:.+' ${COMPOSE_FILE})
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docker stop $(docker ps -qf name=mysql-mailcow)
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docker run \
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-it --rm \
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-v $(docker volume ls -qf name=${CMPS_PRJ}_mysql-vol-1):/var/lib/mysql/ \
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--entrypoint= \
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-u mysql \
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-v ${RESTORE_LOCATION}:/backup \
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${SQLIMAGE} /bin/sh -c "mysqld --skip-grant-tables & \
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until mysqladmin ping; do sleep 3; done && \
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echo Restoring... && \
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gunzip < backup/backup_mysql.gz | mysql -uroot && \
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mysql -uroot -e SHUTDOWN;"
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docker start $(docker ps -aqf name=mysql-mailcow)
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;;
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esac
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shift
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done
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docker start $(docker ps -aqf name=watchdog-mailcow)
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}
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if [[ ${1} == "backup" ]]; then
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backup ${@,,}
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elif [[ ${1} == "restore" ]]; then
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i=1
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declare -A FOLDER_SELECTION
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if [[ $(find ${BACKUP_LOCATION}/mailcow-* -maxdepth 1 -type d 2> /dev/null| wc -l) -lt 1 ]]; then
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echo "Selected backup location has no subfolders"
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exit 1
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fi
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for folder in $(ls -d ${BACKUP_LOCATION}/mailcow-*/); do
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echo "[ ${i} ] - ${folder}"
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FOLDER_SELECTION[${i}]="${folder}"
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((i++))
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done
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echo
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input_sel=0
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while [[ ${input_sel} -lt 1 || ${input_sel} -gt ${i} ]]; do
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read -p "Select a restore point: " input_sel
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done
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i=1
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echo
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declare -A FILE_SELECTION
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RESTORE_POINT="${FOLDER_SELECTION[${input_sel}]}"
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if [[ -z $(find "${FOLDER_SELECTION[${input_sel}]}" -maxdepth 1 -type f -regex ".*\(redis\|rspamd\|mysql\|crypt\|vmail\|postfix\).*") ]]; then
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echo "No datasets found"
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exit 1
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fi
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echo "[ 0 ] all"
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# find all files in folder with .tar.gz extension, print their base names, remove backup_, remove .tar, remove .gz
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FILE_SELECTION[0]=$(find "${FOLDER_SELECTION[${input_sel}]}" -type f -name "*.tar.gz" -printf "%f\n" | sed 's/backup_*//' | sed 's/\.[^.]*$//' | sed 's/\.[^.]*$//')
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for file in $(ls -f "${FOLDER_SELECTION[${input_sel}]}"); do
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if [[ ${file} =~ vmail ]]; then
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echo "[ ${i} ] - Mail directory (/var/vmail)"
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FILE_SELECTION[${i}]="vmail"
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((i++))
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elif [[ ${file} =~ crypt ]]; then
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echo "[ ${i} ] - Crypt data"
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FILE_SELECTION[${i}]="crypt"
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((i++))
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elif [[ ${file} =~ redis ]]; then
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echo "[ ${i} ] - Redis DB"
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FILE_SELECTION[${i}]="redis"
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((i++))
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elif [[ ${file} =~ rspamd ]]; then
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echo "[ ${i} ] - Rspamd data"
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FILE_SELECTION[${i}]="rspamd"
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((i++))
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elif [[ ${file} =~ postfix ]]; then
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echo "[ ${i} ] - Postfix data"
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FILE_SELECTION[${i}]="postfix"
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((i++))
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elif [[ ${file} =~ mysql ]]; then
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echo "[ ${i} ] - SQL DB"
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FILE_SELECTION[${i}]="mysql"
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((i++))
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fi
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done
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echo
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input_sel=-1
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while [[ ${input_sel} -lt 0 || ${input_sel} -gt ${i} ]]; do
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read -p "Select a dataset to restore: " input_sel
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done
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echo "Restoring ${FILE_SELECTION[${input_sel}]} from ${RESTORE_POINT}..."
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restore "${RESTORE_POINT}" ${FILE_SELECTION[${input_sel}]}
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fi
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