Faidon Liambotis has uploaded a new change for review.

  https://gerrit.wikimedia.org/r/218594

Change subject: HTTPS: redirect commons, take 2
......................................................................

HTTPS: redirect commons, take 2

Redirect Commons again, but this time make an exception for MediaWiki
User-Agents, to avoid breaking InstantCommons for everyone, for now.

Change-Id: Ib81c193f9dfc43625d7863505897d4e21c628414
---
M modules/varnish/templates/vcl/wikimedia.vcl.erb
1 file changed, 9 insertions(+), 0 deletions(-)


  git pull ssh://gerrit.wikimedia.org:29418/operations/puppet 
refs/changes/94/218594/1

diff --git a/modules/varnish/templates/vcl/wikimedia.vcl.erb 
b/modules/varnish/templates/vcl/wikimedia.vcl.erb
index 6f54923..b474b9f 100644
--- a/modules/varnish/templates/vcl/wikimedia.vcl.erb
+++ b/modules/varnish/templates/vcl/wikimedia.vcl.erb
@@ -175,6 +175,15 @@
                                set req.http.Location = "https://"; + 
req.http.Host + req.url;
                                error 751 "TLS Redirect";
                        }
+
+                       // Redirect Commons but make an exception for MediaWiki 
User-Agents,
+                       // as these are usually the InstantCommons feature, 
which is buggy with
+                       // redirects. See T102566 for context.
+                       if (req.http.Host ~ "(?i)^commons\.wikimedia\.org$" &&
+                           req.http.User-Agent !~ "^MediaWiki/" ) {
+                               set req.http.Location = "https://"; + 
req.http.Host + req.url;
+                               error 751 "TLS Redirect";
+                       }
                }
        }
 }

-- 
To view, visit https://gerrit.wikimedia.org/r/218594
To unsubscribe, visit https://gerrit.wikimedia.org/r/settings

Gerrit-MessageType: newchange
Gerrit-Change-Id: Ib81c193f9dfc43625d7863505897d4e21c628414
Gerrit-PatchSet: 1
Gerrit-Project: operations/puppet
Gerrit-Branch: production
Gerrit-Owner: Faidon Liambotis <fai...@wikimedia.org>

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