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Allow multiple upstreams #69

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Allow multiple upstreams #69

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14 changes: 13 additions & 1 deletion revproxy/views.py
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Original file line number Diff line number Diff line change
Expand Up @@ -8,6 +8,8 @@

import urllib3

from itertools import cycle

from django.utils.six.moves.urllib.parse import urlparse, urlencode, quote_plus

from django.shortcuts import redirect
Expand All @@ -34,6 +36,8 @@

HTTP_POOLS = PoolManager()

UPSTREAM_CYCLES = {}


class ProxyView(View):
"""View responsable by excute proxy requests, process and return
Expand Down Expand Up @@ -70,7 +74,15 @@ def upstream(self, value):
self._upstream = value

def get_upstream(self, path):
upstream = self.upstream
if isinstance(self.upstream, (list, tuple)):
key = tuple(self.upstream)
upstream_rr = UPSTREAM_CYCLES.get(key)
if not upstream_rr:
upstream_rr = cycle(self.upstream)
UPSTREAM_CYCLES[key] = upstream_rr
upstream = next(upstream_rr)
else:
upstream = self.upstream

if not getattr(self, '_parsed_url', None):
self._parsed_url = urlparse(upstream)
Expand Down