Introduce data inputs for connection matching as part of #18871
Signed-off-by: Kuat Yessenov <kuat@google.com>
Mirrored from https://github.com/envoyproxy/envoy @ a1181348a4f6df6011843a141814e28840d23eb5
Adds support for a "generic input" extension point that allows specifying inputs that are not dependent on protocol data.
Adds an environment variable generic input that allows matching on the value of an environment variable.
Signed-off-by: Snow Pettersen <snowp@lyft.com>
Mirrored from https://github.com/envoyproxy/envoy @ 758a9a90c15331fbfd093f23170454c5a2fbf903
data-plane-api(Azure Pipelines)