Implement optional url prefix the Django way #15080
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* Before, the optional url prefix feature required calling our versioning version of reverse(). This worked _ok_ until we added more and more urls from 3rd party apps. Those 3rd party apps do not call our reverse(), writefully so. * This implementation looks at the incoming request path. If it includes the special optional prefix url, then we register ALL the urls WITH the optional url prefix. If the incoming request path does NOT contain the options url prefix then we register ALL the urls WITHOUT the optional url prefix. * Before this, we were registering BOTH sets of urls and then reverse() + the request as context to decide which url.
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TheRealHaoLiu
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Apr 10, 2024
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SUMMARY
Performance investigation notes.
As I suspected, an implementation that constructs the urls patterns foreach request is noticeable.
The bottom set of
inclusivetimes are when visiting/api/v2/hosts/vs. the top set are when visiting/awx/v2/<prefix>/hosts/. Theexclusiveentry is isolated to justget_urlpatterns(prefix=settings.OPTIONAL_API_URLPATTERN_PREFIX)Done:
get_urlpatterns(prefix=settings.OPTIONAL_API_URLPATTERN_PREFIX)resultsmaybe calldecided this isn't worth it.get_urlpatterns(prefix=settings.OPTIONAL_API_URLPATTERN_PREFIX)in some sort of init process so we don't pay the penalty on first request. Realistically though, the penalty here isn't that expensive if we do have to pay it 1 time per new uwsgi process.ISSUE TYPE
COMPONENT NAME
AWX VERSION
ADDITIONAL INFORMATION