Add WrapCollectorWith and WrapCollectorWithPrefix
#1766
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colega
requested review from
ArthurSens,
bwplotka,
kakkoyun and
vesari
as code owners
I found myself in a situation where I had to instantiate multiple instances of a third party library that registered some metrics and never un-registered them. In my app's lifecycle I needed to un-register them and then register them again, but I couldn't achieve that by wrapping the Registerer. I decided to register that library's metrics in a separate Registry and register that Registry, but in order to handle multiple instances of the library, I also needed to wrap it with labels, and while such functionality existed already as part of the Registerer wrapping, it wasn't exposed. This PR just exposes Collector wrapping as a public function. Signed-off-by: Oleg Zaytsev <[email protected]>
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I found myself in a situation where I had to instantiate multiple instances of a third party library that registered some metrics and never un-registered them.
In my app's lifecycle I needed to un-register them and then register them again, but I couldn't achieve that by wrapping the Registerer.
I decided to register that library's metrics in a separate Registry and register that Registry, but in order to handle multiple instances of the library, I also needed to wrap it with labels, and while such functionality existed already as part of the Registerer wrapping, it wasn't exposed.
This PR just exposes Collector wrapping as a public function.