logstash-grok Questions

3

I am working on Springboot Microservcies & for monitoring Im using ELK Stack. I am using docker containers for running ELK as per this guide. ELK is up and running, I am starting my Logstash b...
Anaptyxis asked 5/10, 2017 at 9:26

4

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I have a logfile in which the data is separated by a pipe symbol. "|". An example is below. Does anyone know how to write a GROK pattern to extract it for logstash? 2014-01-07 11:58:48.7694|LOGLE...
Harrietteharrigan asked 7/1, 2014 at 20:54

2

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I am trying to feed data into elasticsearch from csv files, through logstash. These csv files contain the first row as the column names. Is there any particular way to skip that row while parsing t...
Gereron asked 17/12, 2014 at 7:3

3

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I have a remote machine that combines multiline events and sends them across the lumberjack protocol. What comes in is something that looks like this: { "message" => "2014-10-20T20:52:56.133+...
Certificate asked 20/10, 2014 at 21:4

3

This is my sample error log: 2017/03/29 17:32:56 [error] 21924#21924: *212595 access forbidden by rule, client: 172.31.0.14, server: , request: "POST /app/etc/local.xml HTTP/1.1", host: "www.overc...
Mealie asked 29/3, 2017 at 18:48

2

This may be a simple question, but in my logs the spaces between different fields are uncertain, that mean in some logs I can see two spaces and in some three between the same fields. How do we acc...
Dirk asked 3/8, 2017 at 14:24

2

My time stamp in the logs are in the format as below 2016-04-07 18:11:38.169 which is yyyy-MM-dd HH:mm:ss.SSS This log file is not live one (stored/old one), and I am trying to replace this timp...
Junoesque asked 9/2, 2017 at 10:27

4

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I was checking the nginx error logs at our server and found that they start with date formatted as: 2015/08/30 05:55:20 i.e. YYYY/MM/DD HH:mm:ss. I was trying to find an existing grok date patte...
Boxing asked 5/9, 2015 at 17:40

2

I am using ELK with filebeat. I am sending logs from filebeat to Logstash and from there to Elastic and visualizing in Kibana. I am pasting the json result that is displayed in kibana's log result...
Eggshaped asked 29/10, 2018 at 12:11

2

I need to define a grok pattern in AWS Glue Classifie to capture the datestamp with milliseconds on the datetime column of file (which is converted as string by AWS Glue Crawler. I used the DATESTA...
Gentleman asked 29/1, 2018 at 9:59

1

In my logstash logs I have sometimes empty lines or lines with only spaces. To drop the empty line I created a dropemptyline filter file # drop empty lines filter { if [message] =~ /^\s*$/ { d...
Narvaez asked 11/2, 2015 at 15:20

2

I have just started using grok for logstash and I am trying to parse my log file using grok filter. My logline is something like below 03-30-2017 13:26:13 [00089] TIMER XXX.TimerLog: entType [o...
Madelon asked 31/3, 2017 at 23:13

4

I have been looking around here and there, but could not find the working resolution. I try to use Grok Filter inside the Logstash config file to filter Apache-Access log file. The log message look...
Donell asked 11/3, 2014 at 8:57

2

I'm trying to get some sort of grok pattern to work with the following logging format : *Sun 07:05:18.372 INFO [main] [userID] perf - 0ms - select x from y The problem I'm having is the field in...
Rolo asked 16/7, 2015 at 15:5

3

I have installed Logstash on Ubuntu Server 14. Where can I find the default grok patterns that Logstash uses when filtering logs ? Thanks.
Parchment asked 10/8, 2015 at 13:42

1

How do I change this Logstash filter to be case insensitive? filter { if "foo" in [message] { mutate { add_field => { "Alert_level" => "5" }} } } I could not get it to work as shown in ...
Dillon asked 20/1, 2017 at 17:12

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So I wrote now several patterns for logs which are working. The thing is now, that I have these multiple logs, with multiple patterns, in one single file. How does logstash know what kind of patter...
Humberto asked 11/2, 2015 at 9:16

4

I am wondering what the best approach to take with my Logstash Grok filters. I have some filters that are for specific log entries, and won't apply to all entries. The ones that don't apply always ...
Ave asked 30/12, 2013 at 23:57

1

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Hi How to write a grok expression for the below log [2017-03-25T00:00:07,137][WARN ] match => { "message" => "\[%{TIMESTAMP_ISO8601:timestamp}/]/[%{LOGLEVEL:log-level}\s*\]" } Is this co...
Nonentity asked 27/3, 2017 at 0:38

2

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I'm using Logback and Logstash in a SpringBoot application. In the logback.xml I have a property with the name of the service, and is like: <configuration> <include resource="org/spring...

2

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I want to add fields for specific URI params in my log lines here is an example log line: 2017-03-12 21:34:36 W3SVC1 webserver 1.1.1.1 GET /webpage.html param1=11111&param2=22222&param3=&...
Demean asked 12/3, 2017 at 23:8

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The syntax for a grok pattern is %{SYNTAX:SEMANTIC}. How do i generate a list of all available SYNTAX keywords ? I know that I can use the grok debugger to discover patterns from text. But is there...
Chacha asked 7/5, 2014 at 16:53

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Im trying to parse my apache2 error log and im having a bit of trouble.. It doesnt seem to be matching the filter. Im pretty sure the timestamp piece is wrong, but im not sure, and i cant really fi...
Idou asked 26/6, 2013 at 22:32

2

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I have a drupal watchdog syslog file that I want to parse into essentially two nested fields, the syslog part and the message part so that I get this result syslogpart: { timestamp: "", host: ""...
Prefer asked 26/2, 2015 at 17:16

3

I am parsing proxy logs with Logstash and its Grok filter. The logs contain quoted strings : 1438120705 [.....] "SEF-EDP8" - "C" "/GPM/1023/5745-7/456V/" With the Grok Debugger the following pat...
Lipoid asked 24/2, 2016 at 10:35

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