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Grok custom time format


Grok custom time format

By : Alaa Ahmed Youssef
Date : November 21 2020, 03:00 PM
this will help Your pattern should work with a colon before the second pattern up until what i assume is a timezone. Then we can use a custom field capture for that.
code :
%{NUMBER:year}-%{MONTHNUM:month}-%{MONTHDAY:day}T%{HOUR:hour}:%{MINUTE:minutes}:%{SECOND:second}(?<timezone>[+-]\d{2}:\d{2})


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How exactly am I to format this a-zA-Z for GROK custom regular expressions?

How exactly am I to format this a-zA-Z for GROK custom regular expressions?


By : maggie
Date : March 29 2020, 07:55 AM
I hope this helps . The first box is the data string, the second box is the pattern and the last box is where you define custom patterns. You have no pattern and the syntax for defining a custom pattern is wrong.
In the second box type
code :
%{MY_REGEX:results}
MY_REGEX [a-z]
Grok patterns format in logstash

Grok patterns format in logstash


By : user1130723
Date : March 29 2020, 07:55 AM
To fix the issue you can do The reason is, there is a new line after :] and You need to match \n character in order to parse it. There are various different ways to do it, you can match a new line using \n character like this,
code :
\[%{TIMESTAMP_ISO8601:ServerTimestamp}\|%{WORD:Log4netHostname}\|%{DATA:ProjectName}\|%{DATA:TestName}\|%{DATA:UserName}\|%{DATA:ClientIP}\|%{DATA:ClientMachineName}\|%{LOGLEVEL:LogLevel}\|%{DATA:method}\|%{DATA:message}\|%{GREEDYDATA:Exception}\n%{GREEDYDATA:2ndLine}\n%{GREEDYDATA:3rdLine}\n%{GREEDYDATA:4thLine}
  ......

  "Exception": [
    [
      "Framework Error in :]"
    ]
  ],
  "2ndLine": [
    [
      "WebDriverTimeoutException: Timed out after 5 seconds"
    ]
  ],
  "3rdLine": [
    [
      " at DefaultWait`1.ThrowTimeoutException(String exceptionMessage, Exception lastException)"
    ]
  ],
  "4thLine": [
    [
      " at DefaultWait`1.Until[TResult](Func`2 condition)"
    ]
  ]
\[%{TIMESTAMP_ISO8601:ServerTimestamp}\|%{WORD:Log4netHostname}\|%{DATA:ProjectName}\|%{DATA:TestName}\|%{DATA:UserName}\|%{DATA:ClientIP}\|%{DATA:ClientMachineName}\|%{LOGLEVEL:LogLevel}\|%{DATA:method}\|%{DATA:message}\|%{GREEDYDATA:Exception}(?m)%{GREEDYDATA:everythingelse}
  .....
  ],
  "Exception": [
    [
      "Framework Error in :]"
    ]
  ],
  "everythingelse": [
    [
      "\nWebDriverTimeoutException: Timed out after 5 seconds\n at DefaultWait`1.ThrowTimeoutException(String exceptionMessage, Exception lastException)\n at DefaultWait`1.Until[TResult](Func`2 condition)"
    ]
  ]
}
Grok pattern for custom response time in ns, us, ms or s - logstash

Grok pattern for custom response time in ns, us, ms or s - logstash


By : iberianguru
Date : March 29 2020, 07:55 AM
around this issue Ok so I have found a solution finally. First a bit of a change for the grok pattern as follows:
code :
%{TIMESTAMP_ISO8601:timestamp} avg:%{NUMBER:avg:float}(?<avgUnit>[unm]?s)
# filter runs for every event
# # return the list of events to be passed forward
# # returning empty list is equivalent to event.cancel
def filter(event)
  #convert operates on event
  convert(event ,"maxUnit", "max")
  convert(event, "minUnit", "min")
  convert(event, "avgUnit", "avg")
  convert(event, "99thUnit", "99th")
  return [event]
end

def convert(event, unitField, valueField)
  if event.get(valueField).nil?
    event.tag("__#{valueField}__not_found")
    return [event]
  end

  if event.get(unitField).nil?
    event.tag("__#{unitField}_not_found")
    return [event]
  end

  unit = event.get(unitField)
  value = event.get(valueField)
  fieldName = "#{valueField}InMs"
  case unit
  when "ns"
    event.set(fieldName, value / 1.0e6)
  when "us"
    event.set(fieldName, value / 1.0e3)
  when "ms"
    event.set(fieldName, value)
  when "s"
    event.set(fieldName, value * 1.0e3)
  else
    event.tag("__not_supported_unit_#{unit}")
  end
  return [event]
end
grok {
  match => {
    "message" => ["%{TIMESTAMP_ISO8601:tstamp} avg:%{NUMBER:avg:float}(?<avgUnit>[unm]?s)]
  }
}
ruby {
  path => "script.rb"
}
custom date/time format for --out-format in rsync

custom date/time format for --out-format in rsync


By : user2315798
Date : March 29 2020, 07:55 AM
hope this fix your issue It appears that no, there is not. Looking at the rsync source code, the %t format escape results in a call to the following timestring function, which you can see makes a call to strftime() with the hard-coded format string "%Y/%m/%d %H:%M:%S":
code :
char *timestring(time_t t)
{
        static char TimeBuf[200];
        struct tm *tm = localtime(&t);
        char *p;

#ifdef HAVE_STRFTIME
        strftime(TimeBuf, sizeof TimeBuf - 1, "%Y/%m/%d %H:%M:%S", tm);
#else
        strlcpy(TimeBuf, asctime(tm), sizeof TimeBuf);
#endif

        if ((p = strchr(TimeBuf, '\n')) != NULL)
                *p = '\0';

        return TimeBuf;
}
How to write a grok pattern for the time format 01/27/2015 09:32:44 AM

How to write a grok pattern for the time format 01/27/2015 09:32:44 AM


By : George Harhen Jr
Date : March 29 2020, 07:55 AM
help you fix your problem You should create a custom pattern file for yourself. As describe in here
From my experience, in the pattern file, create this pattern
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