FAQ Database Discussion Community


Logstash optional fields in logfile

regex,logstash,logstash-grok
I'm trying to parse a logfile using grok Each line of the logfile has fields separated by commas: 13,home,ABC,Get,,Private, Public,1.2.3 ecc... I'm using match like this: match => [ "message", "%{NUMBER:requestId},%{WORD:ServerHost},%{WORD:Service},... My question is: Can I allow optional field? At times some of the fileds might be empty ,, Is...

logstash multiline codec with java stack trace

logging,elasticsearch,logstash,grok,logstash-grok
I am trying to parse a log file with grok. the configuration I use allows me to parse a single lined event but not if multilined (with java stack trace). #what i get on KIBANA for a single line: { "_index": "logstash-2015.02.05", "_type": "logs", "_id": "mluzA57TnCpH-XBRbeg", "_score": null, "_source": {...

How to create an alias on two indexes with logstash?

elasticsearch,alias,logstash,logstash-grok,elastic
In the cluster that I am working on there are two main indexes, let's say indexA and indexB but these two indexes are indexed each day so normaly I have indexA-{+YYYY.MM.dd} and indexB-{+YYYY.MM.dd}. What I want is to have one alias that gathers indexA-{+YYYY.MM.dd} and indexB-{+YYYY.MM.dd} together and named alias-{+YYYY.MM.dd}....

logstash grok remove fqdn from hostname and igone ip

json,logstash,grok,logstash-grok
my logstash input receive jsons that look like that: {"src":"comp1.google.com","dst":"comp2.yehoo.com","next_hope":"router4.ccc.com"} and also the json can look like this ( some keys can hold ip instead of host name: {"src":"comp1.google.com","dst":"192.168.1.20","next_hope":"router4.ccc.com"} i want to remove the fqdn and if its contain ip (ignore it)to leave it with the ip i tried this...

Grok formatting for a custom timestamp

logging,elasticsearch,logstash,logstash-grok
2015-03-13 00:23:37.616 I try using to use grok to format the following date format. I have tried: SYSLOGTIMESTAMP, DATESTAMP_EVENTLOG, DATESTAMP_RFC2822 with no success. Can anyone shed some light?...

Multiple patterns in one log

logstash,logstash-grok
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 pattern it has to use for which line in the log? ( I am using...

Use Logstash with HTML log

logstash,logstash-grok
I'm new to Logstash, trying to use it to parse a HTML log file. I need to output only the log lines, i.e. ignore preceding JS, CSS and HTML that are also included in the file. A log line in the file looks like this: <tr bgcolor="tomato"><td>Jan 28<br>13:52:25.692</td><td>Jan 28<br>13:52:23.950</td><td>qtp114615276-1648 [POST]...

automatically map fields in syslog “message” section

logstash,logstash-grok
Is it possible to automatically map fields for events I would receive by syslog, if they follow a format field1=value1 field2=value2 ... ? An example would be name=john age=15 age=29 name=jane name=mark car=porshe (note that the fields are different and not always there) One of the solutions I am considering...

Logstash 1.4.2 grok filter: _grokparsefailure

logstash-grok
i am trying to parse this log line: - 2014-04-29 13:04:23,733 [main] INFO (api.batch.ThreadPoolWorker) Command-line options for this run: here's the logstash config file i use: input { stdin {} } filter { grok { match => [ "message", " - %{TIMESTAMP_ISO8601:time} \[%{WORD:main}\] %{LOGLEVEL:loglevel} %{JAVACLASS:class} %{DATA:mydata} "] } date...

Trim field value, or remove part of the value

logstash,trim,grok,logstash-grok
I am trying to adjust path name so that it no longer has the time stamp attached to the end. I am input many different logs so it would be impractical to write a conditional filter for every possible log. If possible I would just like to trim the last...

How to set time in log as main @timestamp in elasticsearch

elasticsearch,logstash,kibana,logstash-grok
Im using logstash to index some old log files in my elastic DB. i need kibana/elastic to set the timestamp from within the logfile as the main @timestamp. Im using grok filter in the following way: %{TIMESTAMP_ISO8601:@timestamp} yet elasticsearch sets the time of indexing as the main @timestamp and not...

logstash grok parse user agent string parse certain fields

logstash,grok,logstash-grok
I have this UA in a log file Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/41.0.2267.0 Safari/537.36 Now all I really want is to grab things like Windows NT 6.1 (i.e. win7) and WOW64 i.e. 64 bit system. My current grok filter parses all the things out and...

Logstash Grok filter for uwsgi logs

logstash,grok,logstash-grok
I'm a new user to ELK stack. I'm using UWSGI as my server. I need to parse my uwsgi logs using Grok and then analyze them. Here is the format of my logs:- [pid: 7731|app: 0|req: 357299/357299] ClientIP () {26 vars in 511 bytes} [Sun Mar 1 07:47:32 2015] GET...

Logstash grok pattern for WSO2 log message

regex,wso2,expression,wso2esb,logstash-grok
I am currently working with Logstash. I want to parse WSO2 ESB log statement using grok. I have tried different patterns but didn't succeed. Can anyone help me out to write custom pattern for WSO2 ESb log statement. Here is the sample log message: TID: [0] [ESB] [2015-02-25 12:35:18,719] INFO...

Update @timetamp field in logstash with custom timestamp value

elasticsearch,logstash,grok,logstash-grok,logstash-forwarder
I have following logstash config file for parsing following exception stack trace. stacktrace 2015-03-02 09:01:51,040 [com.test.MyClass] ERROR - execution resulted in Exception com.test.core.MyException <exception line1> <exception line2> 2015-03-02 09:01:51,040 [com.test.MyClass] ERROR - Encountered Exception, terminating execution Config File: input { stdin {} } filter { multiline { pattern => "(^%{TIMESTAMP_ISO8601})...

logstash if statement within grok statement

logstash,grok,logstash-grok
I'm creating a logstash grok filter to pull events out of a backup server, and I want to be able to test a field for a pattern, and if it matches the pattern, further process that field and pull out additional information. To that end I'm embedding an if statement...

Grok pattern with this log line

regex,pattern-matching,logstash,grok,logstash-grok
basically I need to filter out Date - SEVERITY - JAVACLASSNAME - ERROR MESSAGE. This is working for me..But its just half done. (?[0-9]{4}-[0-9]{2}-[0-9]{2} [0-9]{2}:[0-9]{2}:[0-9]{2},[0-9]{3}) %{WORD:Severity}(?:%{GREEDYDATA:msg}) It doesnt show Javaclass..! Here is the output I get { "Timestamp": [ [ "2015-03-03 03:12:16,978" ] ], "Severity": [ [ "INFO" ] ],...

Pattern failure with grok due a longer integer in a column

elasticsearch,logstash,grok,logstash-grok
I have used grok debugger to get the top format working and it is being seen fine by elasticsearch. Eventually, when a log line like the one below hit it shoots out a tag with "grokparsefailure" due to the extra space before each integer (I'm assuming). Is there a tag...

Logstash - remove deep field from json file

logstash,logstash-grok,logstash-configuration
I have json file that i'm sending to ES through logstash . I would like to remove 1 field ( It's deep field ) in the json ONLY if the value is Null . Part of the json is : "input": { "startDate": "2015-05-27", "numberOfGuests": 1, "fileName": "null", "existingSessionId": "XXXXXXXXXXXXX",...

Handling different log formats in the same file

logstash,logstash-grok
I have a single log file that contains differing output formats. For example: line 1 = 2015-01-1 12:04:56 INFO 192.168.0.1 my_user someone logged in line 2 = 2015-01-1 12:04:56 WARN [webserver-thread] (MyClass.java:66) user authenticated Whilst the real solution is to either split them into separate files or unify the formats...

_grokparsefailure on successful match

logstash,syslog,grok,logstash-grok
I started using logstash to manage syslog. In order to test it I am sending from a remote machine simple messges and try to parse them with logstash. The only Logstash configuration, used via the command line: input { syslog { type => syslog port => 5514 } } filter...

logstash generate @timestamp from parsed message

logstash,logstash-grok
I have file containing series of such messages: component+branch.job 2014-09-04_21:24:46 2014-09-04_21:24:49 It is string, some white spaces, first date and time, some white spaces and second date and time. Currently I'm using such filter: filter { grok { match => [ "message", "%{WORD:componentName}\+%{WORD:branchName}\.%{WORD:jobType}\s+20%{DATE:dateStart}_%{TIME:timeStart}\s+20%{DATE:dateStop}_%{TIME:timeStop}" ] } } I would like to...

logstash: grok parse failure

logging,logstash,logstash-grok
I have this config file input { stdin {} file { type => "txt" path => "C:\Users\Gck\Desktop\logsatash_practice\input.txt" start_position=>"beginning" } } filter { grok { match => [ "message", "%{DATE:timestamp} %{IP:client} %{WORD:method} %{WORD:text}"] } date { match => [ "timestamp", "MMM-dd-YYYY-HH:mm:ss" ] locale => "en" } } output { file {...

how to match several possible log events formats?

logstash,grok,logstash-grok
I have events from one log source which can have several known formats. As an example 10:45 Today is Monday 11:13 The weather is nice 12:00 The weather is cloudy I can match each of them via The weather is %{WORD:weather} Today is %{WORD:weekday} I am not yet comfortable with...

Logstash Grok filter getting multiple values per match

logstash,logstash-grok
I have a server that sends access logs over to logstash in a custom log format, and am using logstash to filter these logs and send them to Elastisearch. A log line looks something like this: 0.0.0.0 - GET / 200 - 29771 3 ms ELB-HealthChecker/1.0\n And gets parsed using...

How to remove date from LogStash event

log4j,logstash,kibana,kibana-4,logstash-grok
I have the following message in my log file... 2015-05-08 12:00:00,648064070: INFO : [pool-4-thread-1] com.jobs.AutomatedJob: Found 0 suggested order events This is what I see in Logstash/Kibana (with the Date and Message selected)... May 8th 2015, 12:16:19.691 2015-05-08 12:00:00,648064070: INFO : [pool-4-thread-1] com.pcmsgroup.v21.star2.application.maintenance.jobs.AutomatedSuggestedOrderingScheduledJob: Found 0 suggested order events The date...

regex - Match filename with or without extension

regex,logstash-grok
Need a regex pattern to match all of the following: hello hello. hello.cc I tried \b\w+\.?\w+?\b, but this doesn't match "hello." (the second string mentioned above)....