[SOLVED] rsyslog upstart script not working as expected

grail · 03-13-2011, 07:06 PM

Not sure if this is the correct area to ask this question as it pertains to Upstart but not necessarily to Ubuntu.

Anyhoo, I have made a small alteration (obviously the cause of error

) but not really sure why it does not work. If anyone would point me in the right direction it would be appreciated.

rsyslog.conf:

Code:

# rsyslog - system logging daemon
#
# rsyslog is an enhanced multi-threaded replacement for the traditional
# syslog daemon, logging messages from applications

description	"system logging daemon"

start on filesystem
stop on runlevel [06]

expect fork
respawn

pre-start script
    COMPAT=$(/sbin/rsyslogd -v | awk 'NR == 1{print substr($2, 1, 1)}')
end script

exec rsyslogd -c$COMPAT

Changes from Ubuntu version, which works, highlighted in red

andrewthomas · 03-15-2011, 10:59 AM

Code:

COMPAT=$(/sbin/rsyslogd -v | awk 'NR == 1{print substr($2, 1, 1)}')

Try /usr/sbin

Code:

COMPAT=$(/usr/sbin/rsyslogd -v | awk 'NR == 1{print substr($2, 1, 1)}')

grail · 03-15-2011, 05:36 PM

The location is correct on my distribution. I probably should have stated as part of the problem what i am considering as an error

Should I run the following:

Code:

initctl list | grep rsyslog

I get the following output:

Code:

rsyslog start/running

And the other test I have run is:

Code:

pgrep -lf rsyslog

Which yields no return data.

So my issue is that according to initctl the process is running but that both it and pgrep have identified that there is no associated process running.

I can change the variable compat for an absolute number, such as 3, 4 or 5, and a PID is assigned and it is running as expected.

So my main issue seems to be that my variable is not being used or is not getting assigned at the time of use.

grail · 03-23-2011, 07:47 PM

Apparently script stanzas only incorporate local variables, hence COMPAT is always empty upon execution.
Resolution for the moment is to have the substitution performed inline with the exec call and remove the pre-start script altogether:

Code:

exec /sbin/rsyslogd -c$(/sbin/rsyslogd -v | awk 'NR == 1{print substr($2, 1, 1)}')