backup_daily.sh

#!/bin/sh

DEBUG=""
#DEBUG="--dry-run -vv"

MOUNTPOINT="/mnt/qb/common"
BACKUPROOT="${MOUNTPOINT}/backup/${HOSTNAME%.*}"

mount_backuppoint() {
    ## バックアップ先のマウント
    if [ -z "$1" ]; then
        return 1
    fi

    if [ $(mount|grep -ce "$1[ ]") -eq 0 ]; then
        mount $1
        if [ $? -ne 0 ]; then
            return 1
        fi
    fi

    return 0
}

DOCKED=$(cat /sys/bus/platform/devices/dock.0/docked)

if [ $DOCKED -eq 1 ]; then
    ## ドックに置かれていればバックアップ処理を走らせる
    # バックアップ先のチェック
    mount_backuppoint $MOUNTPOINT
    if [ $? -ne 0 ]; then
        echo Mount faild. > /dev/stderr
        exit 1
    fi

    YM=$(date +%Y%m)
    YMD=$(date +%Y%m%d)
    MONTHLY_DIRNAME="${BACKUPROOT}/${YM}/"
    DAILY_DIRNAME="${BACKUPROOT}/${YMD}/"

    if [ ! -e $MONTHLY_DIRNAME ]; then
        # monthlyなバックアップ
        echo Starting monthly backup.

        BACKUPTO=$MONTHLY_DIRNAME
        OPTS="-aR"
    elif [ ! -e $DAILY_DIRNAME ]; then
        # dailyなバックアップ
        echo Starting daily backup.
        
        BACKUPTO=$DAILY_DIRNAME
        OPTS="-aR --link-dest=../${YM}"
    else
        # バックアップ済み
        echo Backup already finished. > /dev/stderr
        exit 1
    fi

    # home
    COMMAND="rsync $DEBUG $OPTS --exclude-from=/root/.rsync.d/homu.exclude /home/homu $BACKUPTO"
    echo $COMMAND
    $COMMAND

    # /etc
    COMMAND="rsync $DEBUG $OPTS --exclude-from=/root/.rsync.d/etc.exclude /etc/ $BACKUPTO"
    echo $COMMAND
    $COMMAND
    
fi