idet2
September 22, 2010, 8:05am
1
Hi all!
I am trying to write a script that will check if a certain directory is available at several different nodes and then do stuff in it .....
On the beginning of the script I give as a variable the directory and the number of the nodes and then I loop like this:
for ((i=1;i<=$NODES_NUM;i+=1))
do
ssh x$i
if [ -d "$DATA_DIR" ]
then
cd $DATA_DIR
{execute a banch of commands}
else
echo "The dir is not available"
fi
exit
done
My problem is that because I ssh then the rest of the scipt is not executing at all. Any ideas?
Thanks a lot
vbe
September 22, 2010, 9:12am
2
put the code in a script make it executable, then in your loop
ssh x$i <script>
The script should be placed on all the nodes that requires...
ssh x$1 'bash -s' < script
If this alternative works for you, you have then no need of copying the script on the remote servers...
..
---------- Post updated at 15:12 ---------- Previous update was at 14:37 ----------
I just tested for you using ksh: (on an hpux...)
date
ll -lt
"ssh_test" 2 lines, 12 characters
ant:/home/vbe $ ssh ran 'ksh -s' <ssh_test
Wed Sep 22 14:59:13 METDST 2010
total 990
-rw-r--r-- 1 root sys 5174 Sep 22 11:19 ioscan_log.100917
-rwxrwxr-x 1 vbe bin 1764 Sep 8 15:41 mt_pt_contents_get
-rw-rw-rw- 1 vbe bin 22393 Sep 8 14:37 mt_pt_contents.log
-rw-r--r-- 1 vbe bin 1839 Sep 8 14:25 shell_template
-rwxrwxr-x 1 vbe bin 214 Sep 8 14:19 mt_pt_contents_get.save
-rw-rw-rw- 1 vbe bin 3472 Sep 3 18:29 make_rec_out.100903
-rw-r--r-- 1 root sys 28752 Aug 20 15:29 hldutil_ran.100820
-rwxrwxr-x 1 vbe bin 158 Jul 8 13:42 function.ksh
-rw-rw-rw- 1 vbe bin 32 Jul 8 13:20 SERVERNAMES
-rw-rw-rw- 1 vbe bin 3887 Jun 23 20:04 ran_mf-licences.now
-rw-rw-rw- 1 vbe bin 561 Jun 22 11:17 ran_disk.used
-rw-rw-rw- 1 vbe bin 1181 Jun 22 11:15 ran_dsk
-rw-rw-rw- 1 vbe bin 742 Jun 16 15:52 ezra_reboot.100616
-rw-rw-rw- 1 vbe bin 162 Jun 1 14:30 add_driver.howto
-rw-rw-rw- 1 vbe bin 297 Jun 1 14:07 pdc_info_get.howto
-rw-rw-rw- 1 vbe bin 192 May 4 11:36 raco_caph.txt
-rw-rw-rw- 1 vbe bin 888 Apr 27 10:38 adviser.out
-rwxr-xr-x 1 root sys 305 Dec 1 2009 nddget_check
-rw-r--r-- 1 root sys 340 Dec 1 2009 nddset_bastil
-rw-rw-rw- 1 vbe bin 0 Oct 27 2009 output.txt
-rw-rw-rw- 1 vbe bin 1716 Jul 15 2009 bdf.090715
-rw-r--r-- 1 root sys 444 Jul 11 2009 rc.tipix_ezra
-rw-rw-rw- 1 vbe bin 367 Jun 12 2009 dsk_todo.090526
-rw-r--r-- 1 root sys 4516 Jun 3 2009 typed.090528
-rw-rw-rw- 1 vbe bin 10014 May 26 2009 ioscan_disk_log.090526
-rw-rw-rw- 1 vbe bin 3263 Jan 9 2009 typescript
-rw-r--r-- 1 root sys 27352 Jan 9 2009 ipcs-a.log
-rwxrwxr-x 1 root sys 107 Jan 8 2009 kill_user
-rw-r--r-- 1 root sys 11 Jan 7 2009 old_uname-i
-rw-r--r-- 1 root sys 0 Jan 7 2009 dsmj.log
-rw-r--r-- 1 root sys 1448 Dec 11 2008 var_not_on_1line.howto
-rw-r--r-- 1 root sys 407 Dec 9 2008 users
-rw-r--r-- 1 root sys 95 May 29 2008 dsmerror.log
-rw-rw-rw- 1 vbe bin 265 Nov 9 2007 ioscan_proc_ran.txt
-rw-rw-rw- 1 vbe bin 2729 Nov 9 2007 swlist_ran.txt
-rw-rw-rw- 1 vbe bin 14241 Dec 22 2006 syslog_for_fred.txt
-rw-r--r-- 1 root sys 36100 Dec 14 2006 syslog_out.txt
-rw-rw-rw- 1 vbe bin 1127 Sep 21 2006 isa_wants
-rw-rw-rw- 1 vbe bin 1971 Sep 20 2006 itr_req
-rw-rw-rw- 1 vbe bin 1535 Sep 15 2006 for_ITR
-rw-rw-rw- 1 vbe bin 1715 Mar 15 2006 use_utmpfix_on
-rwxr-xr-x 1 vbe bin 258 Mar 9 2006 dtree
-rw-rw-rw- 1 vbe bin 1648 Jan 20 2006 bdf.060120
-rw-rw-rw- 1 vbe bin 3091 Jan 12 2006 dsk_manip.060111
-rw-rw-rw- 1 vbe bin 5593 Jan 8 2006 bdf.060108_b
-rw-rw-rw- 1 vbe bin 1973 Jan 8 2006 bdf.060108_a
-rw-r--r-- 1 root sys 1047 Jan 5 2006 typ_licence.06
-rw-r--r-- 1 root sys 28168 Dec 20 2005 hldutil_out.052012.postioscan
-rw-r--r-- 1 root sys 28168 Dec 20 2005 hldutil_out.052012.beforioscan
-rw-rw-rw- 1 vbe bin 751 Dec 20 2005 dsk_layout.txt
-rw-rw-rw- 1 vbe bin 620 Dec 19 2005 to_remove_dsk
-rw-rw-rw- 1 vbe bin 2169 Nov 18 2005 bdf.051118
-rw-r--r-- 1 root sys 137973 Sep 29 2005 saslog.log
-rw-r--r-- 1 root sys 15106 Sep 29 2005 sam_extract.log
-rw-rw-rw- 1 vbe bin 2169 Apr 25 2005 bdf.050425
-rwxrwxrwx 1 vbe bin 822 Jan 6 2005 sftp_usage01.txt
-rwxr-xr-x 1 root sys 16384 Jan 4 2005 clrwtmp
-rwxrwxr-x 1 vbe bin 265 Sep 1 2004 cpu_count
drwx------ 2 vbe bin 96 Feb 27 2004 nsmail
ant:/home/vbe $
idet2
September 22, 2010, 11:36am
3
Thanks a lot for your suggestion!
I was looking for a way to do it directly but apparenty there isn't one!
Thanks again!
vbe
September 22, 2010, 11:48am
4
for ((i=1;i<=$NODES_NUM;i+=1))
do
ssh x$i < script
done
should work, the only difference with the original script is putting the if condition and treatment in a shell script used in input