#/home 目录 handler 脚本
# 每个备份文件会通过 FQDN 来鉴别主机
getconf backupname
# 备份文件的保存目录
getconf backupdir
# 默认压缩
getconf compress
# 包含 /home 目录
getconf includes
#不包含 *.mp3 与 *.mp4 文件
getconf excludes
# 要打包备份文件的默认扩展名
getconf EXTENSION
# tar 程序的绝对路径
getconf TAR `which tar`
# date 程序的绝对路径
getconf DATE `which date`
# 日期格式
DATEFORMAT="%Y-%m-%d"
# 如果备份目录不存在，以致命错误退出
if [ ! -d "$backupdir" ]
then
mkdir -p "$backupdir" || fatal "Can not make directory $backupdir"
fi
# 如果备份目录不可写，同样以致命错误退出
if [ ! -w "$backupdir" ]
then
fatal "Directory $backupdir is not writable"
fi
# 根据压缩格式选择对应的tar选项
case $compress in
"gzip")
compress_option="-z"
EXTENSION="tar.gz"
;;
"bzip")
compress_option="-j"
EXTENSION="tar.bz2"
;;
"none")
compress_option=""
;;
*)
warning "Unknown compress filter ($tar_compress)"
compress_option=""
EXTENSION="tar.gz"
;;
esac
# 不包含一些文件类型/目录
exclude_options=""
for i in $excludes
do
exclude_options="$exclude_options --exclude $i"
done
# 调试信息，执行备份操作
debug "Running backup: " $TAR -c -p -v $compress_option $exclude_options \
-f "$backupdir/$backupname-"`$DATE "+$DATEFORMAT"`".$EXTENSION" \
$includes
# 将标准输出重定向到以.list为扩展的文件
# 将标准错误输出重定向到以.err为扩展的文件
$TAR -c -p -v $compress_option $exclude_options \
-f "$backupdir/$backupname-"`$DATE "+$DATEFORMAT"`".$EXTENSION" \
$includes \
> "$backupdir/$backupname-"`$DATE "+$DATEFORMAT"`.list \
2> "$backupdir/$backupname-"`$DATE "+$DATEFORMAT"`.err
[ $? -ne 0 ] && fatal "Tar backup failed"

# 备份操作描述，以下划线分割单词
HELPERS="$HELPERS home:backup_of_home_directories"
home_wizard() {
home_title="Home action wizard"
backupname=`hostname --fqdn`
# 指定备份操作的时间
inputBox "$home_title" "When to run this action?" "everyday at 01"
[ $? = 1 ] && return
home_when_run="when = $REPLY"
# 指定备份文件名
inputBox "$home_title" "\"Name\" of backups" "$backupname"
[ $? = 1 ] && return
home_backupname="backupname = $REPLY"
backupname="$REPLY"
# 指定保存备份文件的默认路径
inputBox "$home_title" "Directory where to store the backups" "/var/backups/home"
[ $? = 1 ] && return
home_backupdir="backupdir = $REPLY"
# 指定复选框的默认值
radioBox "$home_title" "Compression" \
"none" "No compression" off \
"gzip" "Compress with gzip" on \
"bzip" "Compress with bzip" off
[ $? = 1 ] && return;
result="$REPLY"
home_compress="compress = $REPLY "
REPLY=
while [ -z "$REPLY" ]; do
formBegin "$home_title: Includes"
formItem "Include:" /home/gacanepa
formDisplay
[ $? = 0 ] || return 1
home_includes="includes = "
for i in $REPLY; do
[ -n "$i" ] && home_includes="$home_includes $i"
done
done
REPLY=
while [ -z "$REPLY" ]; do
formBegin "$home_title: Excludes"
formItem "Exclude:" *.mp3
formItem "Exclude:" *.mp4
# 按需增加多个“Exclude”文本框指定其他不须包含的内容
formItem "Exclude:"
formItem "Exclude:"
formDisplay
[ $? = 0 ] || return 1
home_excludes="excludes = "
for i in $REPLY; do
[ -n "$i" ] && home_excludes="$home_excludes $i"
done
done
# 保存配置
get_next_filename $configdirectory/10.home
cat > $next_filename <<EOF
$home_when_run
$home_backupname
$home_backupdir
$home_compress
$home_includes
$home_excludes
# tar 程序的路径，必须为GNU tar
TAR `which tar`
DATE `which date`
DATEFORMAT "%Y-%m-%d"
EXTENSION tar
EOF
# 将配置文件的权限改为600
chmod 600 $next_filename
}

#ninjahelper