Looking at your script, I wonder why you make it so complicated. You replace the local variable via sed anyway. Why not simply replacing the name inside the action target?
Rainer 2018-04-24 10:47 GMT+02:00 putcha narayana <[email protected]>: > Hello Rainer, > > > I shared an example of the mechanism i planned to employ. I understand that > my mechanism cannot be achieved with the current rsyslogd. There is no hard > and fast rule to only use the mechanism i shared. > > > I will be happy to employ an alternate working mechanism. Now that my end > goal is clear, please share some example for the alternate methods, i will > employ them. > > > Appreciate your help. > > > Thanks and Regards > > Lak. > > > ________________________________ > From: Rainer Gerhards <[email protected]> > Sent: Tuesday, April 24, 2018 8:43 AM > To: putcha narayana > Cc: rsyslog-users; David Lang > > Subject: Re: [rsyslog] Urgent, need help with correct usage of local > variables in an action > > Well, there are ways to do this, just not like you want ;-) > > Environment variables and files is the way to go. > > Rainer > > Sent from phone, thus brief. > > putcha narayana <[email protected]> schrieb am Di., 24. Apr. 2018, > 10:32: > > I believe it will be a good useful feature to allow users to define > local/global variables so that update in individual conf file or one place > update of global variables will enable configuring the external server IP > and Port. > > > I plan to use a static IP in the .66-MgmtMsgsLogging.conf. > > When IP and Port are updated then using the script i will replace them. > > When enable option is given then the comment in front of action will be > removed. > > To disable add the # back. > > > #action(type="omfwd" Target="10.10.10.10" Port="0" Protocol="udp" > Template="ForwardFormat") > #action(type="omfwd" Target="11.11.11.11" Port="0" Protocol="udp" > Template="ForwardFormat") > > > Thanks and Regards > > Lak. > > > > > > ________________________________ > From: Rainer Gerhards <[email protected]> > Sent: Tuesday, April 24, 2018 8:23 AM > To: rsyslog-users > Cc: David Lang; putcha narayana > Subject: Re: [rsyslog] Urgent, need help with correct usage of local > variables in an action > > Of you insist on using local variables, the answer is: no, this does not > work. > > Rainer > > Sent from phone, thus brief. > > putcha narayana via rsyslog <[email protected]> schrieb am Di., 24. > Apr. 2018, 10:08: > > Hi, > > > I am not requesting for script to update the config file. I have already > implemented that. I have attached the shell script and a sample config file. > > > I am seeking help w.r.t the config file with a provision to use local > variables so that they can be updated/configurable by user. > > > Thanks and Regards > > Lak. > > > ________________________________ > From: David Lang <[email protected]> > Sent: Tuesday, April 24, 2018 6:59 AM > To: putcha narayana > Cc: David Lang; putcha narayana via rsyslog > Subject: Re: [rsyslog] Urgent, need help with correct usage of local > variables in an action > > This cannot be done inside rsyslog, you would need to use some external > software > (puppet, chef, salt, ansible, or even just sed) to change the config file > and > then start/restart rsyslog > > On Tue, 24 Apr 2018, putcha narayana wrote: > >> Date: Tue, 24 Apr 2018 06:47:03 +0000 >> From: putcha narayana <[email protected]> >> To: David Lang <[email protected]>, >> putcha narayana via rsyslog <[email protected]> >> Subject: Re: [rsyslog] Urgent, >> need help with correct usage of local variables in an action >> >> Hi, >> >> >> In our design we have a GUI where operator can configure the IP and Port >> of the remote syslog server. Operator can enable or disable streaming to the >> configured IP and Port using a flag. >> >> >> In the backend we will consume the configuration made by the operator and >> prepare the required configuration file to stream logs to the configured >> remote syslog server (Identified by IP and Port). >> >> >> 1) In the design i chose, I plan to have initial config files prefixed >> with '.' so that those config files will not be read by rsyslogd. >> >> Example config file is enclosed below. >> >> 2) When operator configures the IP, Port, then a script will be invoked in >> the background which will update the initial set of lines that define the >> local variables. Say set $.IPADDRESS1 = ""; will be updated as set >> $.IPADDRESS1 = "10.10.100.200"; >> >> 3) Config file updated will be saved without the '.' prefix. restarting >> rsyslod will/should apply the configuration (i.e., stream logs to remote >> syslog server 10.10.100.200. >> >> >> Example config file with 2 remote syslog servers for illustration purpose: >> >> set $.IPADDRESS1 = ""; >> set $.IPADDRESS2 = ""; >> set $.PORTNUMBER1 = ""; >> set $.PORTNUMBER2 = ""; >> >> if ($syslogseverity-text == 'info') >> then >> { >> action(type="omfwd" Target="$.IPADDRESS1" Port="$.PORTNUMBER1" >> Protocol="udp" Template="ForwardFormat") >> action(type="omfwd" Target="$.IPADDRESS2" Port="$.PORTNUMBER2" >> Protocol="udp" Template="ForwardFormat") >> stop >> } >> >> >> Please guide me if the same can be achieved using alternate mechanisms. >> >> >> thanks and regards >> >> Lak. >> >> >> >> ________________________________ >> From: David Lang <[email protected]> >> Sent: Tuesday, April 24, 2018 5:36 AM >> To: putcha narayana via rsyslog >> Cc: Rainer Gerhards; putcha narayana >> Subject: Re: [rsyslog] Urgent, need help with correct usage of local >> variables in an action >> >> target and port cannot be variables, variables can only be used where they >> are >> explicitly allowed (almost entirely in templates) >> >> let's back up a bit and ask what you are trying to do rather than why this >> specific approach doesn't work. >> > _______________________________________________ > rsyslog mailing list > http://lists.adiscon.net/mailman/listinfo/rsyslog > http://www.rsyslog.com/professional-services/ > What's up with rsyslog? Follow https://twitter.com/rgerhards > NOTE WELL: This is a PUBLIC mailing list, posts are ARCHIVED by a myriad of > sites beyond our control. PLEASE UNSUBSCRIBE and DO NOT POST if you DON'T > LIKE THAT. _______________________________________________ rsyslog mailing list http://lists.adiscon.net/mailman/listinfo/rsyslog http://www.rsyslog.com/professional-services/ What's up with rsyslog? Follow https://twitter.com/rgerhards NOTE WELL: This is a PUBLIC mailing list, posts are ARCHIVED by a myriad of sites beyond our control. PLEASE UNSUBSCRIBE and DO NOT POST if you DON'T LIKE THAT.
