logrotate is not executing custom shell script in postrotate

Question

I have following logrotate configuration file

/home/application/*/shared/log/*.log {
  daily
  rotate 10
  missingok
  nocompress
  notifempty
  copytruncate
  sharedscripts
  postrotate
    echo "Hi....." 
    /home/application/test.sh > /home/application/test_bash.log 2>&1
    echo "By....."
  endscript
}

/home/application/test.sh currently content is following (I try in shell script create dummy file too, but no success)

#!/bin/sh

echo "=============================================="

When I run logrotate all files are successfully rotated but test.sh script is not executed

Logrotate potput looks following:

running postrotate script running script with arg /home/application//shared/log/.log : " echo "Hi....." /home/application/test.sh > /home/application/test_bash.log 2>&1 echo "By....." "

/home/application/test_bash.log log file is not created.

I even try simple such example

/home/application/*/shared/log/*.log { 
  daily 
  rotate 10 
  missingok 
  nocompress 
  notifempty 
  copytruncate 
  sharedscripts 
  postrotate 
    mkdir /home/application/demo_v2/shared/log/arch 
  endscript 
}

Why logrotate is not executing my shell script? What I am doing incorrect?

Please show us the full output of `logrotate -v -f /etc/logrotate.d/`? — quanta, Jul 31 '12 at 16:35
Thanks you give me necessary hint. I was running lograte with **d** option `logrotate -dv -f /etc/logrotate.d/` Without **d** all was as expected — user1124133, Jul 31 '12 at 18:57
Is /home mounted with noexec? Is SELinux/Apparmor permitting execution of scripts in /home? Also, your mkdir example needs mkdir -p or it will fail if the directory exists. _Logrotate will see a fail status_ — Aaron, Jan 01 '15 at 14:20

score 1 · Answer 1 · answered Jul 14 '15 at 00:41

As someone said previously the "echo" commands will fail, as logrotate has no TTY, so you might try...

echo "Hi....." > /home/application/test_bash.log
/home/application/test.sh >> /home/application/test_bash.log 2>&1
echo "By....." >> > /home/application/test_bash.log

It's unclear what logrotate might do if you attempt something like echo without a TTY.

The output from - logrotate -dvf - seems to indicate your script has run.

First try something simple like - echo foo > /home/application/test_bash.log 2>&1

If this works, then the script should be easy to debug.

score 0 · Answer 2 · answered Jul 31 '12 at 13:45

0

Logrotate does not have a magical TTY attached; where did you expect this output to be written to ?

One would normally run a script that redirects its output to a dedicate dlog, and avoid outputting anything on stdout; you seem to have confused several concepts above.

Perhaps, if we knew what it is you want to actually do with this logrotate script, somebody could help.

answered Jul 31 '12 at 13:45

adaptr

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I even try following postrotate script. No success `/home/application/*/shared/log/*.log { daily rotate 10 missingok nocompress notifempty copytruncate sharedscripts postrotate mkdir /home/application/demo_v2/shared/log/arch endscript }` When I run: logrotate -dvf /etc/logrotate.d/application_log_conf I got Response: `running postrotate script running script with arg /home/application/*/shared/log/*.log : " /home/application/test.sh "` – user1124133 Jul 31 '12 at 14:32

logrotate is not executing custom shell script in postrotate

2 Answers2