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I have an event as below:
2019-07-05 14:00:14 CDT d453bce1-aa68-4674-988e-ed6ab174a1d4 out: ID-sample.sample.com-1562306630255-1-1391 https://sample.sample.com:8675/api/sample/platform/audits {"messageId":"201","messageStatus":"Created","message":"Audit [appName=IDV, userType=TAXFILER, eventId=COLLECT, eventType=RESPONSES, fileSourceCd=IMF, ipAddr=00.00.00.00, returnCd=SUCCESS, sessionId=OLA_934d5c5f-974d-4b65-b0ca-288f03d5993e, vardata=<?xml version=\"1.0\" encoding=\"UTF-8\" standalone=\"yes\"?><saasVarData><body>{\"deviceId\":\"ABC5426\",\"ipAddress\":\"00.00.00.00\",\"answers\":[{\"questionNumber\":\"1\",\"answer\":\"Y\"},{\"questionNumber\":\"2\",\"answer\":\"Y\"},{\"questionNumber\":\"3\",\"answer\":\"N\"}]}</body><host>sample1.sample.net</host><ipAddress>00.00.00.00</ipAddress><requestId>d453bce1-aa68-4674-988e-ed6ab174a1d4</requestId><responseStatus>0</responseStatus><uri>/ola/id-verify/responses</uri><userId>C3C7EA8A-8B7A-4574-BCB9-FC326816E63B</userId></saasVarData>]"}
I want to do field extraction on userId. I used Splunk field extraction using RegEx method. After extraction, when I try to run searches against this field, it does not populate/provide counts correctly. It is picking only some field values and placing remaining ones under unknown. What am I missing? Thanks in advance.
The RegEx that Splunk created for me is:
^\d+\-\d+\-\d+\s+\d+:\d+:\d+\s+\w+\s+[a-f0-9]+\-\d+\-[a-f0-9]+\-[a-f0-9]+\-[a-f0-9]+\s+\w+:\s+\w+\-\w+\d+\w+\d+\-\w+\-\w+\-\w+\-\d+\-\d+\-\d+\s+\w+://\w+\d+\w+\d+\.\w+\.\w+\.\w+:\d+/\w+/\w+\-\w+/\w+/\w+\s+\{"\w+":"\d+","\w+":"\w+","\w+":"\w+\s+\[\w+=\w+\s+\w+\s+\d+\s+\d+:\d+:\d+\s+\w+\s+\d+,\s+\w+=\w+,\s+\w+=\w+,\s+\w+=\w+,\s+\w+=\w+,\s+\w+=\w+,\s+\w+=\d+\.\d+\.\d+\.\d+,\s+\w+=\w+,\s+\w+=\w+_[a-f0-9]+\-\d+\-[a-f0-9]+\-[a-f0-9]+\-[a-f0-9]+,\s+\w+=<\?\w+\s+\w+=\\"\d+\.\d+\\"\s+\w+=\\"\w+\-\d+\\"\s+\w+=\\"\w+\\"\?><\w+><\w+>\w+\d+\w+\.\w+\.\w+\.\w+</\w+><\w+>\d+\.\d+\.\d+\.\d+</\w+><\w+>\{\\"\w+\\":\w+,\\"\w+\\":\\"\w+\\",\\"\w+\\":\w+\}</\w+><\w+>[a-f0-9]+\-\d+\-[a-f0-9]+\-[a-f0-9]+\-[a-f0-9]+</\w+><\w+>\d+</\w+><\w+>/\w+/\w+\-\w+/\w+</\w+><\w+>(?P[^<]+)
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Hey Mbasharat,
If you're just trying to extract the userId field, this should work for you:
...BASE SEARCH...
| rex field=_raw "\<userId\>(?<userId>[^\<]+)"
However, what may be more useful to you is looking into the xmlkv command. Try it by adding this to your search:
...BASE SEARCH...
|table _time _raw
| xmlkv
There is decent chunk of your data in XML format (<field>value</field>). This this command will automatically find and extract those fields. Since userId is in XML format, it too will automatically be extracted.
Here is the documentation on the xmlkv command if you're interested on learning more about how it works:
https://docs.splunk.com/Documentation/Splunk/latest/SearchReference/Xmlkv
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Hey Mbasharat,
If you're just trying to extract the userId field, this should work for you:
...BASE SEARCH...
| rex field=_raw "\<userId\>(?<userId>[^\<]+)"
However, what may be more useful to you is looking into the xmlkv command. Try it by adding this to your search:
...BASE SEARCH...
|table _time _raw
| xmlkv
There is decent chunk of your data in XML format (<field>value</field>). This this command will automatically find and extract those fields. Since userId is in XML format, it too will automatically be extracted.
Here is the documentation on the xmlkv command if you're interested on learning more about how it works:
https://docs.splunk.com/Documentation/Splunk/latest/SearchReference/Xmlkv
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The last solution is what I liked! 🙂 THANK YOU!!
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Hey Mbasharat,
do you need the entire log extracted, or just the userId field?
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