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Dynatrace V2 API - Metrics Call Does Not Return An Actual Server Name

louis_gallo
Helper

In the Dynatrace V2 API, my query returns the data however it gives me the cryptic host-Id.

 

API call - https://******.live.dynatrace.com/api/v2/metrics/query?metricSelector=builtin:host.cpu.(system)&reso...

 

I get this back (CSV Format):

metricId,dt.entity.host,time,value
builtin:host.cpu.system,HOST-FFFFFFCFD79DB1E0,4/6/2021 12:45,0.778690974

 

How can I get the actual server name back rather than dt.entity.host?

Any help is appreciated.

Thanks,

Lou

5 REPLIES 5

JamesKitson
Dynatrace Leader
Dynatrace Leader

You need to use the ':names' transformation described here: 

https://www.dynatrace.com/support/help/shortlink/api-metrics-v2-selector#names-transformation

oooo, wait, I think I got it. Does this look right??

 

builtin:host.cpu.(system):names:merge(1)

@louis_gallo that is right! You just don't need the parentesis if you only want "system":

builtin:host.cpu.system:names:merge

You would put parenthesis if you want another value regarding the cpu:

builtin:host.cpu.(system,usage):names:merge

v2 are tricky but really cool, once you wrap your mind around it!

louis_gallo
Helper

Thanks to all for helping me to get my feet wet. I'll be working on app stats next through the V2 API. Fun fun fun and more questions.