#!/bin/bash

#set -x

DATE=/bin/date
RSYNC=/usr/bin/rsync
TIMESTAMP=`$DATE +%Y%m%d-%H:%M%z`

LOGFILE=/mnt/hdd/backup/log/backup.$TIMESTAMP.log
LOG="/usr/bin/tee -a $LOGFILE"

function term() {
    echo "Terminating." | $LOG
    exit 1
}
trap term INT

function backup() {
    ORIG_DIR=$1
    MIRROR_DIR=$2
    shift 2
    echo ""
    echo "Sync $ORIG_DIR to $MIRROR_DIR"
    echo "========================================================"
    # Use --progress if interactive.
    $RSYNC -aAXv --delete --force "$@" $ORIG_DIR $MIRROR_DIR 2>&1 | $LOG
    if [ $? -ne 0 ]; then
        echo "There were errors while backing up $ORIG_DIR"
    fi
    echo ""
}

function backuphdd() {
    HDD_ORIG=/mnt/hdd
    HDD_MIRROR=/mnt/hdd2
    ORIG_DIR=$HDD_ORIG/$1
    MIRROR_DIR=$HDD_MIRROR/$(dirname $1)
    backup $ORIG_DIR $MIRROR_DIR
}

function backupwd() {
    ORIG_DIR=$1
    MIRROR_DIR=192.168.0.6:/DataVolume/$2
    backup $ORIG_DIR $MIRROR_DIR
}

function backuplusntag() {
    ORIG_DIR="vahagn@192.168.0.3:$1"
    MIRROR_DIR=$2
    backup $ORIG_DIR $MIRROR_DIR -e "ssh -i /home/vahagn/.ssh/id_rsa"
}

function backupyerevak() {
    ORIG_DIR="vahagn@yerevak.vostan.org:$1"
    MIRROR_DIR=$2
    backup $ORIG_DIR $MIRROR_DIR -e "ssh -i /home/vahagn/.ssh/id_rsa -p 24"
}

function backup_nextcloud() {
    APP=$(docker ps -qf "name=nextcloud_app")
    DB=$(docker ps -qf "name=nextcloud_db")
    BACKUPDIR="/mnt/hdd/backup/nextcloud"

    docker exec -u www-data $APP php occ maintenance:mode --on

    # Backup DB
    docker exec $DB /bin/bash \
        -c "export PGPASSWORD=nextcloud123 && pg_dump nextcloud -h db -U nextcloud" \
        | gzip -9 > "${BACKUPDIR}/nextcloud-db-sqlbkp_`date +"%Y%m%d"`.gz"

    # Backup Files
    backup "/var/lib/docker/volumes/nextcloud_nextcloud"  "${BACKUPDIR}/volume"

    docker exec -u www-data $APP php occ maintenance:mode --off
}

function backup_gitea() {
    APP=$(docker ps -qf "name=gitea")
    BACKUPDIR="/mnt/hdd/backup/gitea"
    # Backup Files
    # backup "/var/lib/docker/volumes/gitea_gitea"  "${BACKUPDIR}/volume"
    docker exec -u git $APP /app/gitea/gitea dump -f /tmp/gitea-dump.zip
    docker cp $APP:/tmp/gitea-dump.zip "${BACKUPDIR}"
}

#
#   Log Header
#
echo Starting $LOGFILE | $LOG
echo start `$DATE` | $LOG
#
#   Sync folders
#
#backup      "/srv/nextcloud"           "/mnt/hdd/backup/docker"
# backup      "/var/lib/docker/volumes"  "/mnt/hdd/backup/docker"
backup_gitea
backup_nextcloud

backup      "/src/gerbera/music"       "/mnt/hdd/public"

#backup     "/srv/gitlab"           "/mnt/hdd/backup/gitlab"
#backup      "/srv/git"              "/mnt/hdd/backup/git"

#
#   Backup Lusntag
#
backuplusntag   "/home/vahagn/msdos"    "/mnt/hdd/backup"
backuplusntag   "/home/vahagn/devel"    "/mnt/hdd/backup/lusntag"
backuplusntag   "/var/www"              "/mnt/hdd/backup/lusntag"
backuplusntag   "/etc/nginx"            "/mnt/hdd/backup/lusntag/etc"
#
#   Backup Yerevak
#
backupyerevak   "/home/vahagn/devel"    "/mnt/hdd/backup/yerevak"

#
#   Backup hdd1 to hdd2
#
backuphdd "backup"
backuphdd "vahagn"
for i in $(ls /mnt/hdd/public); do
    if [ $i != "movies" ]; then
        backuphdd "public/$i"
    fi
done

#
#   Log Footer
#
echo end `$DATE` | $LOG