<html> <head> <style></style> </head> <body class='hmmessage'> So I am still battling this one :(<div><br></div><div>I have looked at the latest Ubuntu version and it has:</div><div><br></div><div><div>script</div><div> . /etc/default/rsyslog</div><div> exec rsyslogd $RSYSLOGD_OPTIONS</div><div>end script</div><div><br></div>And all that is in the default file is - RSYSLOGD_OPTIONS="-c4"</div><div><br></div><div>So as this incorporates the option into the variable I tried:</div><div><br></div><div>script</div><div> COMPAT="-c$(/sbin/rsyslogd -v | awk 'NR == 1{print substr($2, 1, 1)}')"</div><div> exec /sbin/rsyslogd $COMPAT</div><div>end script</div><div><br></div><div>And again this does not work as described below :( At least not in my system yet it works just fine for Ubuntu???</div><div><br></div><div>Anyone got a clue for me?</div><div><br></div><div>Cheers</div><div>grail<br><hr id="stopSpelling">From: grail69@hotmail.com<br>To: upstart-devel@lists.ubuntu.com<br>Subject: RE: rsyslog script<br>Date: Tue, 5 Apr 2011 02:43:42 +0000<br><br> <meta http-equiv="Content-Type" content="text/html; charset=unicode"> <meta name="Generator" content="Microsoft SafeHTML"> <style> .ExternalClass .ecxhmmessage P {padding:0px;} .ExternalClass body.ecxhmmessage {font-size:10pt;font-family:Tahoma;} </style> Just thought I would give an update that is confusing the hell out of me.<div><br></div><div>I have upgraded to 1.0 and have found that using the following exec:</div><div><br></div><div>exec /sbin/rsyslogd -c$(/sbin/rsyslogd -v | awk 'NR == 1{print substr($2, 1, 1)}')</div><div><br></div><div>yields me the same error as outline just below.</div><div><br></div><div>However, if I change it to simply read:</div><div><br></div><div>exec /sbin/rsyslogd -c5</div><div><br></div><div>Then all is right with the world and pids are the same when reported from either status or pgrep and my system</div><div>can halt or reboot without having the wrong pid killed or hanging on.</div><div><br></div><div>Is someone able to explain to me why this is happening? (btw. the process substitution returns the number 5)</div><div><br></div><div>cheers</div><div>grail<br><br><hr id="ecxstopSpelling">From: grail69@hotmail.com<br>To: upstart-devel@lists.ubuntu.com<br>Subject: RE: rsyslog script<br>Date: Fri, 25 Mar 2011 07:41:39 +0000<br><br> <style> .ExternalClass .ecxhmmessage P {padding:0px;} .ExternalClass body.ecxhmmessage {font-size:10pt;font-family:Tahoma;} </style> Hey Mathijs<div><br></div><div>I have been eagerly looking over the cookbook, but it seems to confirm what has already been written below that any attempt to change</div><div>the variable value within a script stanza will not be seen in another stanza or outside where this particular exec is.</div><div><br></div><div>Using the method of calling the process substitution directly at the exec has fixed the issue of getting the correct value there,</div><div>but now as outlined by James i have hit the bug #406397 where the PID being used by the system (shown with a pgrep) is not the one</div><div>registered with upstart (shown using initctl list). So now I cannot reboot or halt system without killing it manually :(</div><div><br></div><div>So I am in the process upgrading to 1.0 to see if that will help :)</div><div><br></div><div>cheers</div><div>grail</div><div><br><hr id="ecxstopSpelling">Date: Fri, 25 Mar 2011 07:07:53 +0100<br>From: mathijs@smoeltje.nl<br>To: upstart-devel@lists.ubuntu.com<br>Subject: Re: rsyslog script<br><br> <title>Message body</title> <div style="display:inline">Look at this then, maybe this is the solution?<br> </div> <br> <a class="ecxmoz-txt-link-freetext" href="http://upstart.ubuntu.com/cookbook/" target="_blank">http://upstart.ubuntu.com/cookbook/</a> > look at chapter 6.2<br> <br> On 2011-03-24 17:26, James Hunt wrote:<br> <blockquote>On 24/03/11 00:43, Grail Dane wrote:<br> > Hi James<br> <br> > Thanks very much for the reply :)<br> <br> > I had added the full path to exec as well but had not updated that when<br> > posting (oops)<br> <br> > Your solution to remove the variable and use the substitution has worked<br> > but looks untidy in comparison.<br> A simple solution to this *should* be to change your exec stanza to a<br> script section:<br> <br> script<br> COMPAT=$(/sbin/rsyslogd -v | awk 'NR == 1{print substr($2, 1, 1)}')<br> exec rsyslogd -c$COMPAT<br> end script<br> <br> However, you then run into that bug I mentioned regarding script<br> sections and respawn... :(<br> <br> > Is there no real way to pass variables to other parts of the script?<br> <br> > I assume, based on script now working, that the script / end script<br> > stanzas treat all variables as local hence not available<br> > outside. Is there an option to maybe have a global variable for a<br> > particular script that could be set inside one stanza and used<br> > either in another or the exec line as in my example?<br> This is just standard Unix semantics. See the very draft:<br> <br> <a class="ecxmoz-txt-link-freetext" href="http://people.canonical.com/~jhunt/upstart/cookbook/#environment-variables" target="_blank">http://people.canonical.com/~jhunt/upstart/cookbook/#environment-variables</a><br> <br> > Thanks again for the assist<br> <br> > cheers<br> > grail<br> <br> >> Date: Wed, 23 Mar 2011 09:12:10 +0000<br> >> From: <a class="ecxmoz-txt-link-abbreviated" href="mailto:james.hunt@canonical.com">james.hunt@canonical.com</a><br> >> To: <a class="ecxmoz-txt-link-abbreviated" href="mailto:upstart-devel@lists.ubuntu.com">upstart-devel@lists.ubuntu.com</a><br> >> Subject: Re: rsyslog script<br> >><br> > On 23/03/11 01:20, Grail Dane wrote:<br> >> In case anyone can see room to point me in the right direction here, I<br> >> have recorded my latest bootup<br> >> messages and the one for my rsyslog looks like:<br> <br> >> init: rsyslog main process (860) terminated with status 1<br> >> init: rsyslog main process ended, respawning<br> <br> >> As you can see it seems to respawn but without an associated PID yet<br> >> running initctl list the corresponding entry is:<br> <br> >> rsyslog start/running<br> <br> >> Whereas all others with a PID also have - , process PID<br> >> And even though it says running, a ps yields nothing and no logs are<br> >> getting updated.<br> <br> >> Any thoughts or help would be appreciated :)<br> >> grail<br> <br> >> ------------------------------------------------------------------------<br> >> From: <a class="ecxmoz-txt-link-abbreviated" href="mailto:grail69@hotmail.com">grail69@hotmail.com</a><br> >> To: <a class="ecxmoz-txt-link-abbreviated" href="mailto:upstart-devel@lists.ubuntu.com">upstart-devel@lists.ubuntu.com</a><br> >> Subject: rsyslog script<br> >> Date: Tue, 1 Mar 2011 03:23:15 +0000<br> <br> >> I seem to be stuck with this one and not sure if possible to do what I<br> >> am trying?<br> <br> >> I copied the rsyslog.conf from my Ubuntu machine and changed it to the<br> >> below:<br> <br> >> < ---------- start -----------------><br> >> # rsyslog - system logging daemon<br> >> #<br> >> # rsyslog is an enhanced multi-threaded replacement for the traditional<br> >> # syslog daemon, logging messages from applications<br> <br> >> description"system logging daemon"<br> <br> >> start on filesystem<br> >> stop on runlevel [06]<br> <br> >> expect fork<br> >> respawn<br> <br> >> pre-start script<br> >> COMPAT=$(/sbin/rsyslogd -v | awk 'NR == 1{print substr($2, 1, 1)}')<br> >> end script<br> <br> >> exec rsyslogd -c$COMPAT<br> >> < ---------- end -----------------><br> <br> >> This seems to start and assign a PID, it then terminates and respawns<br> >> but without a PID and consequently is not really running.<br> <br> >> So i guess my question is: Am I not able to use variables in this way or<br> >> have I done it the wrong way?<br> >> If yes to the wrong way, would someone please educate me?<br> <br> >> Also I am guessing this is not really a devel question ... is there a<br> >> support list?<br> <br> >> Cheers<br> >> grail<br> <br> >> -- upstart-devel mailing list <a class="ecxmoz-txt-link-abbreviated" href="mailto:upstart-devel@lists.ubuntu.com">upstart-devel@lists.ubuntu.com</a> Modify<br> >> settings or unsubscribe at:<br> >> <a class="ecxmoz-txt-link-freetext" href="https://lists.ubuntu.com/mailman/listinfo/upstart-devel" target="_blank">https://lists.ubuntu.com/mailman/listinfo/upstart-devel</a><br> <br> > Hi Grail,<br> <br> > The problem with your script is that the "COMPAT" variable is not<br> > "visible" to the exec stanza: Upstart runs each script section in a<br> > separate process. Therefore I think that your exec is actually running<br> > "rsyslogd -c" (which is invalid).<br> <br> > As to a solution: you don't actually need that pre-start. You could just<br> > do this:<br> <br> > exec rsyslogd -c$(/sbin/rsyslogd -v | awk 'NR == 1{print substr($2, 1,<br> >> 1)}')<br> <br> > One other comment: you have specified the path to rsyslogd in your<br> > pre-start, but not in your exec stanza. I appreciate that the original<br> > .conf file has the same problem, but it is always best to specify the<br> > path to avoid surprises :)<br> <br> > Finally, be careful with respawn and script sections (see<br> > <a class="ecxmoz-txt-link-freetext" href="https://bugs.launchpad.net/upstart/+bug/406397" target="_blank">https://bugs.launchpad.net/upstart/+bug/406397</a>).<br> <br> > Regards,<br> <br> > James.<br> >><br> --<br> upstart-devel mailing list<br> <a class="ecxmoz-txt-link-abbreviated" href="mailto:upstart-devel@lists.ubuntu.com">upstart-devel@lists.ubuntu.com</a><br> Modify settings or unsubscribe at:<br> > <a class="ecxmoz-txt-link-freetext" href="https://lists.ubuntu.com/mailman/listinfo/upstart-devel" target="_blank">https://lists.ubuntu.com/mailman/listinfo/upstart-devel</a><br> <br> </blockquote> <br> <br>-- upstart-devel mailing list upstart-devel@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/upstart-devel</div> <br>-- upstart-devel mailing list upstart-devel@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/upstart-devel</div> <br>-- upstart-devel mailing list upstart-devel@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/upstart-devel</div> </body> </html>