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Add more docs & tweak max redirect wait time

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yuvipanda
2017-07-21 17:29:38 -07:00
parent 8544010eb6
commit 9d837b2e4b
1 changed files with 4 additions and 1 deletions
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jupyterhub/handlers/base.py
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@@ -509,9 +509,12 @@ class PrefixRedirectHandler(BaseHandler):
# This is important in many distributed proxy implementations - those are often eventually # This is important in many distributed proxy implementations - those are often eventually
# consistent and can take upto a couple of seconds to actually apply throughout the cluster. # consistent and can take upto a couple of seconds to actually apply throughout the cluster.
times = int(self.get_argument('times', 0)) times = int(self.get_argument('times', 0))
if times > 12: # FIXME: should this be customizable? At times=7, it'll wait for about 12s the last time.
if times > 7:
# We stop if we've been redirected 12 times. # We stop if we've been redirected 12 times.
raise web.HTTPError(500) raise web.HTTPError(500)
# We want this to be 0 the first time, and then increase after that. This formula seems to work,
# but we might wanna make it customizable?
yield gen.sleep(( (2 ** times) - 1)/10) yield gen.sleep(( (2 ** times) - 1)/10)
uri = self.request.uri uri = self.request.uri
if uri.startswith(self.base_url): if uri.startswith(self.base_url):