api/config: use resource type annotations to provide type-to-endpoint. #9566
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Previously, type_to_endpoint.cc had a lot of hardcoding, which doesn't scale well with multiple API versions. See envoyproxy#9526 for an example of the issues encountered. This patch switches to using explicit resource type annotations on service descriptors, which is great for documentation (previously this was sometimes given in comments, sometimes not), and allows for a reflection driven reverse map from resource type URL to endpoints to be built at runtime. Risk level: Low Testing: New unit tests for type_to_endpoint.cc and golden protoxform tests for the new annotations. Fixes envoyproxy#9454. Signed-off-by: Harvey Tuch <htuch@google.com>
Signed-off-by: Harvey Tuch <htuch@google.com>
Signed-off-by: Harvey Tuch <htuch@google.com>
Signed-off-by: Harvey Tuch <htuch@google.com>
mattklein123
reviewed
Jan 6, 2020
Signed-off-by: Harvey Tuch <htuch@google.com>
Signed-off-by: Harvey Tuch <htuch@google.com>
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@mattklein123 #3091 tracks the service method doc generation, I left a comment to make use of the resource type annotations. |
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Previously, type_to_endpoint.cc had a lot of hardcoding, which doesn't scale well with multiple API
versions. See #9526 for an example of the issues
encountered.
This patch switches to using explicit resource type annotations on service descriptors, which is
great for documentation (previously this was sometimes given in comments, sometimes not), and allows
for a reflection driven reverse map from resource type URL to endpoints to be built at runtime.
Risk level: Low
Testing: New unit tests for type_to_endpoint.cc and golden protoxform tests for the new annotations.
Fixes #9454.
Signed-off-by: Harvey Tuch htuch@google.com