backup-rcopy/hosts/scripts/dir_backup.sh

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#!/usr/bin/env bash
## - !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
## -
## - assuming your remote user is called "back", you have
## - to give sudoer rights to him as follow:
## -
## - visudo (edits /etc/sudoers file)
## -
## - add line:
## - back ALL=(root)NOPASSWD:/usr/bin/rsync
## - back ALL=(root)NOPASSWD:/usr/bin/find
## - back ALL=(root)NOPASSWD:/usr/bin/realpath
## -
## - !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
## - load functions
## -
. $rcopy_functions_file
# --------------------------------------------------- #
# -------------------- Variable --------------------- #
#
err_Log=${LOCK_DIR}/dir.err.log
> $err_Log
#ssh="/usr/bin/ssh -n"
_backupSrcDir="$backup_dir"
if [ $srcHost != "localhost" ] || $_via_ssh_tunnel ;then
find=`$ssh ${ssh_user}@$srcHost which find`
sudo=`$ssh ${ssh_user}@$srcHost which sudo`
realpath=`$ssh ${ssh_user}@$srcHost which realpath`
fi
#
# ------------------ Ende Variable ------------------ #
# --------------------------------------------------- #
if [ $srcHost != "localhost" ] || $_via_ssh_tunnel ;then
if ! $ssh ${ssh_user}@${srcHost} "$sudo $find '$_backupSrcDir' -maxdepth 0" > /dev/null 2>&1 ; then
echolog "\t[ERROR]: $_backupSrcDir not found!\n"
exit 0
fi
if [ -n "$realpath" ] ; then
real_backupSrcDir=`$ssh ${ssh_user}@$srcHost "$sudo $realpath '$_backupSrcDir'"`
else
real_backupSrcDir="$_backupSrcDir"
fi
backupSrcParentDir=`$dirname "$real_backupSrcDir"`
real_dir_name=`$basename "$real_backupSrcDir"`
backupSrcDir="${ssh_user}@${srcHost}:\"$real_backupSrcDir\""
else
#if [ ! -e $_backupSrcDir ] ; then
if ! $sudo $find "$_backupSrcDir" -maxdepth 0 > /dev/null 2>&1 ; then
echolog "\t[ERROR]: $_backupSrcDir not found!\n"
exit 0
fi
realpath=`which realpath`
if [ -n "$realpath" ] ; then
real_backupSrcDir=`$realpath "$_backupSrcDir"`
else
real_backupSrcDir="$_backupSrcDir"
fi
backupSrcParentDir=`$dirname "$real_backupSrcDir"`
real_dir_name="`$basename \"$real_backupSrcDir\"`"
backupSrcDir=$real_backupSrcDir
fi
#if [ $destHost != "localhost" ];then
# backup_mirror_dir="${ssh_user}@${destHost}:$backup_mirror_dir"
# `$ssh $mkdir -p $backup_mirror_dir/$backupSrcParentDir`
#else
# $mkdir -p $backup_mirror_dir/$backupSrcParentDir
#fi
$mkdir -p $backup_mirror_dir/$backupSrcParentDir
filedate=`$date +"%Y-%m-%d-%H%M"`
if $MIRROR ;then
if [ "$_backupSrcDir" != "$real_backupSrcDir" ]; then
echolog "\t[ Notice ]: $_backupSrcDir --> $real_backupSrcDir"
fi
## - some checks, to avoid backup directories twice
## -
if [ -f $dirs_backup_done ];then
for _dir in `cat "$dirs_backup_done"` ; do
if [ "$real_backupSrcDir" = "$_dir" ];then
echolog "\t[ Notice ]: $real_backupSrcDir already backuped\n"
exit 0
elif echo $real_backupSrcDir | $grep `echo $_dir/` > /dev/null 2>&1 ; then
echolog "\t[ Notice ]: $real_backupSrcDir already backuped\n"
exit 0
fi
done
fi
for _dir in $backup_dirs ; do
[ -n "$orig_backup_dir" -a "$orig_backup_dir" = $_dir ] && continue
if [ $srcHost != "localhost" ] || $_via_ssh_tunnel ;then
if ! $ssh ${ssh_user}@${srcHost} "[ -e $_dir ]" ; then
continue
fi
if [ -n "$realpath" ] ; then
_dir_realpath=`$ssh ${ssh_user}@$srcHost $realpath $_dir`
else
_dir_realpath=$_dir
fi
else
if [ ! -e $_dir ] ; then
continue
fi
if [ -n "$realpath" ] ; then
_dir_realpath=`$realpath $_dir`
else
_dir_realpath=$_dir
fi
fi
## - check, if the directory to save is a subdirectory of an already
## - backuped directory
## -
if echo $real_backupSrcDir | $grep -e "^`echo $_dir_realpath/`" > /dev/null 2>&1 ; then
msg=""
if [ "$_dir_realpath" != "$_dir" ];then
msg="(--> $_dir_realpath)"
fi
echolog "\t[ Notice ]: $real_backupSrcDir will be backuped within $_dir $msg\n"
exit 0
fi
done
## -
## - End: some checks, to avoid backup directories twice
if [ "$_TEST" = "1" ];then
progArgs="-n $progArgs --stats"
elif [ "$_DEBUG" -gt 0 ];then
progArgs="$progArgs --stats"
if [ "$_DEBUG" -gt 1 ];then
formats="%t -- %o %f %b Bytes[%l]"
fi
fi
## - begin timestamp
## -
b_timestamp=`$date +"%s"`
if [ $_DEBUG -gt 1 -a $_TEST -eq 0 ]; then
echolog "$rsync --rsync-path='sudo rsync' $progArgs $logArgs="$formats" $backupSrcDir $backup_mirror_dir/$backupSrcParentDir" 2
$(
$rsync --rsync-path='sudo -i -u root rsync' $progArgs $logArgs="$formats" \
"$backupSrcDir" $backup_mirror_dir/$backupSrcParentDir >> $logFile 2> $err_Log
exit $?
)
else
$(
$rsync --rsync-path='sudo rsync' $progArgs \
"$backupSrcDir" $backup_mirror_dir/$backupSrcParentDir >> $logFile 2> $err_Log
exit $?
)
fi
retval=$?
## - end timestamp
## -
e_timestamp=`$date +"%s"`
## - determin duration
## -
_time=`expr $e_timestamp - $b_timestamp`
t_h=`expr $_time / 60 / 60`
t_rest_h=`expr $_time - $t_h \\* 60 \\* 60`
t_m=`expr $t_rest_h / 60`
t_s=`expr $t_rest_h - $t_m \\* 60`
duration=""
if [ $t_h -gt 0 ]; then
duration="$t_h h : $t_m min : $t_s sec"
elif [ $t_m -gt 0 ];then
duration="$t_m min : $t_s sec"
else
duration="$t_s sec"
fi
## - look about errors..
## -
if [ "$retval" != "0" ]; then
if [ "$retval" = "24" ]; then
echolog "\t[ Notice ] \"$real_backupSrcDir\": \n\t`$cat $err_Log`\n"
else
echolog "\t[ERROR] Cannot mirror directory \"$real_backupSrcDir\" [ $duration ]\n\t`$cat $err_Log`\n"
fi
else
## - print durations right-aligned
## -
[ -z $right_tabstop ] && right_tabstop=60
info_msg="Directory \"`basename $real_backupSrcDir`\" successfully mirrored"
_tmp_string="${info_msg}${duration}"
_strlen=${#_tmp_string}
_count_blank=`expr $right_tabstop - $_strlen`
_str_blanks=""
while [ $_count_blank -gt 1 ]; do
_str_blanks="$_str_blanks "
_count_blank=`expr $_count_blank - 1`
done
echononl "\t$info_msg"
echononl "$_str_blanks"
echolog "[ $duration ]"
fi
echo " $real_backupSrcDir" >> $dirs_backup_done
else
echolog "\tMIRROR is set to $MIRROR. So nothing to do."
fi
echolog ""
exit 0