BBlack has uploaded a new change for review.

  https://gerrit.wikimedia.org/r/232945

Change subject: mobile vcl: tighten up disableImages cookie regex
......................................................................

mobile vcl: tighten up disableImages cookie regex

Bug: T109286
Change-Id: I79ecfdb039c3c9c85154bd5ba3bc440513a05cd0
---
M templates/varnish/text-common.inc.vcl.erb
1 file changed, 5 insertions(+), 3 deletions(-)


  git pull ssh://gerrit.wikimedia.org:29418/operations/puppet 
refs/changes/45/232945/1

diff --git a/templates/varnish/text-common.inc.vcl.erb 
b/templates/varnish/text-common.inc.vcl.erb
index 1a5048e..9ee058a 100644
--- a/templates/varnish/text-common.inc.vcl.erb
+++ b/templates/varnish/text-common.inc.vcl.erb
@@ -35,9 +35,11 @@
 // most of this mechanism but have a different Cookie regex during
 // the refactoring process...
 sub evaluate_cookie_mobile {
-       // note extra matches for any Cookie-string that matches /disable/ 
(needs further investigation!)
-       //  and for 'optin=foo' (used for alpha/beta opt-in)
-       if (req.http.Cookie ~ "disable|((^|;\s*)optin|[sS]ession|Token)="
+       // note extra matches for disableImages= and for optin=foo, which
+       // create unique and valid variances for alpha-vs-beta-vs-stable, and
+       // for images-vs-not.  optin has no prefix, so we can be more-precise,
+       // whereas disableImages has a wikiname prefix like session/token do.
+       if (req.http.Cookie ~ "((^|;\s*)optin|disableImages|[sS]ession|Token)="
            && req.url !~ "^/static/"
            && req.url !~ "^/w/load\.php") {
                set req.hash_ignore_busy = true;

-- 
To view, visit https://gerrit.wikimedia.org/r/232945
To unsubscribe, visit https://gerrit.wikimedia.org/r/settings

Gerrit-MessageType: newchange
Gerrit-Change-Id: I79ecfdb039c3c9c85154bd5ba3bc440513a05cd0
Gerrit-PatchSet: 1
Gerrit-Project: operations/puppet
Gerrit-Branch: production
Gerrit-Owner: BBlack <[email protected]>

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