Hi guys
I recently play around with 'x-openstack-request-id' header but have a
dump question about how it works. At beginning, I thought an action across
different services should use a same request-id but it looks like this is not
the true.
First I read the spec:
https://blueprints.launchpad.net/nova/+spec/cross-service-request-id which said
"This ID and the request ID of the other service will be logged at service
boundaries". and I see cinder/neutron/glance will attach its context's
request-id as the value of "x-openstack-request-id" header to its response
while nova use X-Compute-Request-Id. This is easy to understand. So It looks
like each service should generate its own request-id and attach to its
response, that's all.
But then I see glance read 'X-Openstack-Request-ID' to generate the request-id
while cinder/neutron/nova read 'openstack.request_id' when using with keystone.
It is try to reuse the request-id from keystone.
This totally confused me. It would be great if you can correct me or point me
some reference. Thanks a lot
Best Regards,
Tan
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