Wow Sam, yeah, if this cookie works for you, it will
make many things much
easier for us
This is how it is done on performance schemas for Navigation timing data
per country, so there is a precedence.
https://github.com/wikimedia/mediawiki-extensions-NavigationTiming/blob/mas…
In this case because a preview request must happen after a full page
download the cookie will always be available. Now, the cookie mappings are
of this form US:WA:Seattle so they would need further processing to be
akin to the current pageviews split.
On Thu, Feb 1, 2018 at 7:36 AM, Andrew Otto <otto(a)wikimedia.org> wrote:
Wow Sam, yeah, if this cookie works for you, it will
make many things much
easier for us. Check it out and let us know. If it doesn’t work for some
reason, we can figure out the backend geocoding part.
On Thu, Feb 1, 2018 at 2:43 AM, Sam Smith <samsmith(a)wikimedia.org> wrote:
On Tue, Jan 30, 2018 at 8:02 AM, Andrew Otto
<otto(a)wikimedia.org> wrote:
Using the
GeoIP cookie will require reconfiguring the EventLogging
varnishkafka instance [0]
I’m not familiar with this cookie, but, if we used it, I thought it
would be sent back to by the client in the event. E.g. event.country =
response.headers.country; EventLogging.emit(event);
That way, there’s no additional special logic needed on the server side
to geocode or populate the country in the event.
Hah! I didn't think about accessing the GeoIP cookie on the client. As
you say, the implementation is quite easy.
My only concern with this approach is the duplication of the value
between the cookie, which is sent in every HTTP request to the
/beacon/event endpoint, and the event itself. This duplication seems
reasonable when balanced against capturing either: the client IP and then
doing similar geocoding further along in the pipeline; or the cookie for
all requests to that endpoint and then discarding them further along in the
pipeline. It also reflects a seemingly core principle of the EventLogging
system: that it doesn't capture potentiallly PII by default.
-Sam
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