OK, so here I'm giving you the "final" version of the script
timestamp.sh working for me:
-----------------------------------------------------------------
#!/bin/tcsh
#Turn on debug info
set DEBUG = 1
#Name of the backup mount (partition)
set MOUNTNAME = data
#Name of the backup directory
set BACKUP = backup
if( $DEBUG ) then
echo "Starting script at `date +"%Y-%m-%d-%H%M%S"`"
endif
#Check if we have the good arg number
if( $# > 0 ) then
if( $DEBUG ) then
echo "There are arguments"
endif
if( $# < 2 ) then
if( $DEBUG ) then
echo "There is one argument, setting it as host name"
endif
set RSYNC_HOST_NAME = $1
else
echo "Too many arguments.\
Usage: $0 <name_of_backuped_host> or\
$0 - without arguments, in which case\
RSYNC_HOST_NAME environment variable must indicate a host name."
exit
endif
else if( ! $?RSYNC_HOST_NAME ) then
echo "No RSYNC_HOST_NAME detected.\
Usage: $0 <name_of_backuped_host> or\
$0 - without arguments, in which case RSYNC_HOST_NAME\
environment variable must indicate a host name."
exit
endif
if( $DEBUG ) then
echo "RSYNC_HOST_NAME = $RSYNC_HOST_NAME"
endif
#Change to working directory
cd /mnt/$MOUNTNAME/$RSYNC_HOST_NAME
if( $status ) then
echo "Directory /mnt/$MOUNTNAME/$RSYNC_HOST_NAME does not exist"
exit
endif
#Check if the backup directory exists
if( ! ( -e $BACKUP ) ) then
echo "Directory $BACKUP is missing in $PWD"
exit
endif
#Set up useful variables
set DATE = `date +"%Y-%m-%d-%H%M%S"`
set AVAIL = `df | grep $MOUNTNAME | awk -F' ' '{print $4}'`
set SIZE = `du -s $BACKUP | awk -F' ' '{print $1}'`
if ( $DEBUG ) then
echo "DATE = $DATE \
AVAIL = $AVAIL \
SIZE = $SIZE"
endif
if( ! ( -e lastest ) ) then
if( $DEBUG) then
echo "Moving backup and creating lastest."
endif
mv -f $BACKUP $DATE
ln -sf $DATE lastest
else
if( $DEBUG ) then
echo "Moving backup and lastest."
endif
mv -f $BACKUP $DATE
rm -f lastest
ln -sf $DATE lastest
endif
while ( $AVAIL < $SIZE )
if ( $DEBUG ) then
echo "Removing older backup."
endif
rm -Rf `ls -1 | grep $1 | head -n 1`
end
unset *
echo "Rotation successful."
-----------------------------------------------------------------
with this rsync.conf:
-----------------------------------------------------------------
syslog facility = local4
list = no
port = 873
pid file = /var/run/rsyncd.pid
uid = rsync
[serveuranm]
comment = Sauvegarde du serveur ANM
path = /mnt/data/serveuranm.domaineanm.fr/
list = true
max connections = 0
read only = false
uid = serveuranm
gid = rsync
post-xfer exec = /mnt/data/timestamp.sh > /mnt/data/timestamp.log 2>&1
-----------------------------------------------------------------
I've putted final into quotes because this is working for my initial
server, but I already have in mind some changes:
- Convert the script to sh for better portability and also because
tcsh scripting seems odd ( http://www.grymoire.com/Unix/CshTop10.txt )
- Make the script more generic
- Make the script multi-modules (mainly for deleting content)
I'm not sure if here's the right place to share it. Feel free to
comment my work and please let me know if you use it as is or as a
base for another script.
Best regards,
Vitorio
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