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rsyslog 7 search and replace message content
2019 Community Moderator ElectionLooping through the content of a file in Bashsed command find and replace in file and overwrite file doesn't work, it empties the fileRsyslog search and replace outputRsyslog replace newline to <br/> in message partConfigure rsyslog to log all commandsrsyslog template - parse failure in regular expressionReading RSysLog tcp messagesRsyslog incoming messages rotationOwn format rsyslog messageFormat rsyslog messages - remove IP of logserver
In rsyslog I am trying to search for a certain keyword in my log message and replace with another but seem to be running in to an issue. Looked around and found very few examples of this but couldn't figure out what am I doing wrong.
I have the following in myrsyslog.conf file
template(name="logline" type="string" string="%timegenerated% %HOSTNAME% %syslogtag% %$!msg%n")
if re_match($msg,'APP_MAJOR_ALERT$')
then
set $!msg = replace($msg, "APP_MAJOR_ALERT", "APP_MINOR_ALERT");
else
set $!msg = $msg;
action(type="omfile" file="/tmp/logfile" template="logline")
Now this is similar to other examples floating around, I am using re_match to search for lines ending with the search keyword (APP_MAJOR_ALERT) and if it matches then I am replacing MAJOR with MINOR. The else part does nothing but prints the message as is, which seems to work fine.
However in case of a match I am seeing the log simply printing "0" as message. Going through rsyslog (version 7.4.10) documentation indicates that the replace function should be returning the modified string but in my case it returns a "0" I guess.
Sep 26 14:41:22 localhost ec2-user: 0
The test input provided was
logger "ERROR o.s.c.c.d.h.DiscoveryClientHealthIndicator - Error com.ecwid.consul.v1.OperationException: OperationException(statusCode=500, statusMessage='Internal Server Error', statusContent='rpc error: rpc error: No cluster leader' svc_APP_GROUP,id_APP_NAME,APP_MAJOR_ALERT"
Cant figure out where I am wrong. Perhaps a silly mistake but unable to spot it. Few pair of eyes might help here.
linux unix centos rsyslog
asked Sep 26 '18 at 19:19
Anand NadarAnand Nadar
100212
add a comment |
In rsyslog I am trying to search for a certain keyword in my log message and replace with another but seem to be running in to an issue. Looked around and found very few examples of this but couldn't figure out what am I doing wrong.
I have the following in myrsyslog.conf file
template(name="logline" type="string" string="%timegenerated% %HOSTNAME% %syslogtag% %$!msg%n")
if re_match($msg,'APP_MAJOR_ALERT$')
then
set $!msg = replace($msg, "APP_MAJOR_ALERT", "APP_MINOR_ALERT");
else
set $!msg = $msg;
action(type="omfile" file="/tmp/logfile" template="logline")
Now this is similar to other examples floating around, I am using re_match to search for lines ending with the search keyword (APP_MAJOR_ALERT) and if it matches then I am replacing MAJOR with MINOR. The else part does nothing but prints the message as is, which seems to work fine.
However in case of a match I am seeing the log simply printing "0" as message. Going through rsyslog (version 7.4.10) documentation indicates that the replace function should be returning the modified string but in my case it returns a "0" I guess.
Sep 26 14:41:22 localhost ec2-user: 0
The test input provided was
logger "ERROR o.s.c.c.d.h.DiscoveryClientHealthIndicator - Error com.ecwid.consul.v1.OperationException: OperationException(statusCode=500, statusMessage='Internal Server Error', statusContent='rpc error: rpc error: No cluster leader' svc_APP_GROUP,id_APP_NAME,APP_MAJOR_ALERT"
Cant figure out where I am wrong. Perhaps a silly mistake but unable to spot it. Few pair of eyes might help here.
linux unix centos rsyslog
asked Sep 26 '18 at 19:19
Anand NadarAnand Nadar
100212
Unix & Linux might be a better place to post this.
– Barmar
Sep 26 '18 at 21:00
Added to Unix & Linux as well, hoping for an answer.
– Anand Nadar
Sep 26 '18 at 21:25
Arent't you missing aset, as inset $!msg = replace...?
– meuh
Sep 27 '18 at 9:46
Somehow that went missing in my copy paste. Checked my configuration and it has the "set $!msg" for both assignments. Corrected my question.
– Anand Nadar
Sep 27 '18 at 12:53
Alright so going through documentation of rsyslog 7 (rsyslog.com/doc/v7-stable/rainerscript/functions.html) indicates that replace function wasn't available at that time. So I may have to find another way of doing this since my CentOs isnt compatible with rsyslog 8.
– Anand Nadar
Sep 27 '18 at 17:23
add a comment |
In rsyslog I am trying to search for a certain keyword in my log message and replace with another but seem to be running in to an issue. Looked around and found very few examples of this but couldn't figure out what am I doing wrong.
I have the following in myrsyslog.conf file
template(name="logline" type="string" string="%timegenerated% %HOSTNAME% %syslogtag% %$!msg%n")
if re_match($msg,'APP_MAJOR_ALERT$')
then
set $!msg = replace($msg, "APP_MAJOR_ALERT", "APP_MINOR_ALERT");
else
set $!msg = $msg;
action(type="omfile" file="/tmp/logfile" template="logline")
Now this is similar to other examples floating around, I am using re_match to search for lines ending with the search keyword (APP_MAJOR_ALERT) and if it matches then I am replacing MAJOR with MINOR. The else part does nothing but prints the message as is, which seems to work fine.
However in case of a match I am seeing the log simply printing "0" as message. Going through rsyslog (version 7.4.10) documentation indicates that the replace function should be returning the modified string but in my case it returns a "0" I guess.
Sep 26 14:41:22 localhost ec2-user: 0
The test input provided was
logger "ERROR o.s.c.c.d.h.DiscoveryClientHealthIndicator - Error com.ecwid.consul.v1.OperationException: OperationException(statusCode=500, statusMessage='Internal Server Error', statusContent='rpc error: rpc error: No cluster leader' svc_APP_GROUP,id_APP_NAME,APP_MAJOR_ALERT"
Cant figure out where I am wrong. Perhaps a silly mistake but unable to spot it. Few pair of eyes might help here.
linux unix centos rsyslog
asked Sep 26 '18 at 19:19
Anand NadarAnand Nadar
100212
In rsyslog I am trying to search for a certain keyword in my log message and replace with another but seem to be running in to an issue. Looked around and found very few examples of this but couldn't figure out what am I doing wrong.
I have the following in myrsyslog.conf file
template(name="logline" type="string" string="%timegenerated% %HOSTNAME% %syslogtag% %$!msg%n")
if re_match($msg,'APP_MAJOR_ALERT$')
then
set $!msg = replace($msg, "APP_MAJOR_ALERT", "APP_MINOR_ALERT");
else
set $!msg = $msg;
action(type="omfile" file="/tmp/logfile" template="logline")
Now this is similar to other examples floating around, I am using re_match to search for lines ending with the search keyword (APP_MAJOR_ALERT) and if it matches then I am replacing MAJOR with MINOR. The else part does nothing but prints the message as is, which seems to work fine.
However in case of a match I am seeing the log simply printing "0" as message. Going through rsyslog (version 7.4.10) documentation indicates that the replace function should be returning the modified string but in my case it returns a "0" I guess.
Sep 26 14:41:22 localhost ec2-user: 0
The test input provided was
logger "ERROR o.s.c.c.d.h.DiscoveryClientHealthIndicator - Error com.ecwid.consul.v1.OperationException: OperationException(statusCode=500, statusMessage='Internal Server Error', statusContent='rpc error: rpc error: No cluster leader' svc_APP_GROUP,id_APP_NAME,APP_MAJOR_ALERT"
Cant figure out where I am wrong. Perhaps a silly mistake but unable to spot it. Few pair of eyes might help here.
linux unix centos rsyslog
linux unix centos rsyslog
asked Sep 26 '18 at 19:19
Anand NadarAnand Nadar
100212
asked Sep 26 '18 at 19:19
Anand NadarAnand Nadar
100212
edited Sep 27 '18 at 12:52
Anand Nadar
asked Sep 26 '18 at 19:19
Anand NadarAnand Nadar
100212
asked Sep 26 '18 at 19:19
Anand NadarAnand Nadar
100212
asked Sep 26 '18 at 19:19
Anand NadarAnand Nadar
100212
100212
Unix & Linux might be a better place to post this.
– Barmar
Sep 26 '18 at 21:00
Added to Unix & Linux as well, hoping for an answer.
– Anand Nadar
Sep 26 '18 at 21:25
Arent't you missing aset, as inset $!msg = replace...?
– meuh
Sep 27 '18 at 9:46
Somehow that went missing in my copy paste. Checked my configuration and it has the "set $!msg" for both assignments. Corrected my question.
– Anand Nadar
Sep 27 '18 at 12:53
Alright so going through documentation of rsyslog 7 (rsyslog.com/doc/v7-stable/rainerscript/functions.html) indicates that replace function wasn't available at that time. So I may have to find another way of doing this since my CentOs isnt compatible with rsyslog 8.
– Anand Nadar
Sep 27 '18 at 17:23
add a comment |
Unix & Linux might be a better place to post this.
– Barmar
Sep 26 '18 at 21:00
Added to Unix & Linux as well, hoping for an answer.
– Anand Nadar
Sep 26 '18 at 21:25
Arent't you missing aset, as inset $!msg = replace...?
– meuh
Sep 27 '18 at 9:46
Somehow that went missing in my copy paste. Checked my configuration and it has the "set $!msg" for both assignments. Corrected my question.
– Anand Nadar
Sep 27 '18 at 12:53
Alright so going through documentation of rsyslog 7 (rsyslog.com/doc/v7-stable/rainerscript/functions.html) indicates that replace function wasn't available at that time. So I may have to find another way of doing this since my CentOs isnt compatible with rsyslog 8.
– Anand Nadar
Sep 27 '18 at 17:23
Unix & Linux might be a better place to post this.
– Barmar
Sep 26 '18 at 21:00
Unix & Linux might be a better place to post this.
– Barmar
Sep 26 '18 at 21:00
Added to Unix & Linux as well, hoping for an answer.
– Anand Nadar
Sep 26 '18 at 21:25
Added to Unix & Linux as well, hoping for an answer.
– Anand Nadar
Sep 26 '18 at 21:25
Arent't you missing a
set, as in set $!msg = replace...?– meuh
Sep 27 '18 at 9:46
Arent't you missing a
set, as in set $!msg = replace...?– meuh
Sep 27 '18 at 9:46
Somehow that went missing in my copy paste. Checked my configuration and it has the "set $!msg" for both assignments. Corrected my question.
– Anand Nadar
Sep 27 '18 at 12:53
Somehow that went missing in my copy paste. Checked my configuration and it has the "set $!msg" for both assignments. Corrected my question.
– Anand Nadar
Sep 27 '18 at 12:53
Alright so going through documentation of rsyslog 7 (rsyslog.com/doc/v7-stable/rainerscript/functions.html) indicates that replace function wasn't available at that time. So I may have to find another way of doing this since my CentOs isnt compatible with rsyslog 8.
– Anand Nadar
Sep 27 '18 at 17:23
Alright so going through documentation of rsyslog 7 (rsyslog.com/doc/v7-stable/rainerscript/functions.html) indicates that replace function wasn't available at that time. So I may have to find another way of doing this since my CentOs isnt compatible with rsyslog 8.
– Anand Nadar
Sep 27 '18 at 17:23
add a comment |
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Unix & Linux might be a better place to post this.
– Barmar
Sep 26 '18 at 21:00
Added to Unix & Linux as well, hoping for an answer.
– Anand Nadar
Sep 26 '18 at 21:25
Arent't you missing a
set, as inset $!msg = replace...?– meuh
Sep 27 '18 at 9:46
Somehow that went missing in my copy paste. Checked my configuration and it has the "set $!msg" for both assignments. Corrected my question.
– Anand Nadar
Sep 27 '18 at 12:53
Alright so going through documentation of rsyslog 7 (rsyslog.com/doc/v7-stable/rainerscript/functions.html) indicates that replace function wasn't available at that time. So I may have to find another way of doing this since my CentOs isnt compatible with rsyslog 8.
– Anand Nadar
Sep 27 '18 at 17:23