rabbah commented on a change in pull request #3199: One tid for the whole
system.
URL:
https://github.com/apache/incubator-openwhisk/pull/3199#discussion_r182921119
##########
File path: ansible/roles/nginx/templates/nginx.conf.j2
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@@ -12,10 +12,17 @@ http {
{# allow large uploads, need to thread proper limit into here #}
client_max_body_size 50M;
+ map $http_{{ transaction.header | lower | replace('-', '_') }} $ow_tid {
+ # request_id: unique request identifier generated from 16 random
bytes, in hexadecimal
+ default $request_id;
+ # If the caller has already set a tid into the header in the correct
format, this one will be taken.
+ "~^(?<tid>{{ transaction.regex }})$" $tid;
Review comment:
The tid is used in the cache logic - if the id isn’t unique (specified by a
user, it will affect the cache behavior).
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