Updates Envoy / Showcase as an upstream filter (#20)

Thanks to the work by @vikaschoudhary16 in
envoyproxy/envoy#38686

Signed-off-by: Takeshi Yoneda <[email protected]>

Author: mathetake

Dockerfile

@@ -28,7 +28,7 @@ RUN cp /build/target/aarch64-unknown-linux-gnu/debug/librust_module.so /build/ar
 RUN cp /build/target/x86_64-unknown-linux-gnu/debug/librust_module.so /build/amd64_librust_module.so
 
 # Finally, copy the built library to the final image.
-FROM envoyproxy/envoy-dev:240e45a54779df6f515d9cb065868b499a6fa70e AS envoy
+FROM envoyproxy/envoy-dev:59a14b1dcb532b23a5566173009e06d02892c1a9 AS envoy
 ARG TARGETARCH
 ENV ENVOY_DYNAMIC_MODULES_SEARCH_PATH=/usr/local/lib
 COPY --from=rust_builder /build/${TARGETARCH}_librust_module.so /usr/local/lib/librust_module.so

ENVOY_VERSION

@@ -1 +1 @@
-240e45a54779df6f515d9cb065868b499a6fa70e
+59a14b1dcb532b23a5566173009e06d02892c1a9

README.md

@@ -1,6 +1,6 @@
 # Dynamic Modules Examples
 
-> Envoy Version: [240e45a54779df6f515d9cb065868b499a6fa70e]
+> Envoy Version: [59a14b1dcb532b23a5566173009e06d02892c1a9]
 
 This repository hosts examples of dynamic modules for [Envoy] to extend its functionality.
 The high level documentation is available [here][High Level Doc]. In short, a dynamic module is a shared library
@@ -79,6 +79,6 @@ NEW_VERSION=4a113b5118003682833ba612202eb68628861ac6 # Whatever the commit in en
 grep -rlF "${CURRENT_VERSION}" . | xargs sed -i "s/${CURRENT_VERSION}/${NEW_VERSION}/g"
 ```
 
-[240e45a54779df6f515d9cb065868b499a6fa70e]: https://github.com/envoyproxy/envoy/tree/240e45a54779df6f515d9cb065868b499a6fa70e
+[59a14b1dcb532b23a5566173009e06d02892c1a9]: https://github.com/envoyproxy/envoy/tree/59a14b1dcb532b23a5566173009e06d02892c1a9
 [Envoy]: https://github.com/envoyproxy/envoy
 [High Level Doc]: https://www.envoyproxy.io/docs/envoy/latest/intro/arch_overview/advanced/dynamic_modules

integration/envoy.yaml

@@ -131,6 +131,23 @@ static_resources:
 
   clusters:
     - name: httpbin
+      # This demonstrates how to use the dynamic module HTTP filter as an upstream filter.
+      typed_extension_protocol_options:
+        envoy.extensions.upstreams.http.v3.HttpProtocolOptions:
+          "@type": type.googleapis.com/envoy.extensions.upstreams.http.v3.HttpProtocolOptions
+          explicit_http_config:
+            http_protocol_options: {}
+          http_filters:
+          - name: dynamic_modules/passthrough/upstream
+            typed_config:
+              # https://www.envoyproxy.io/docs/envoy/latest/api-v3/extensions/dynamic_modules/v3/dynamic_modules.proto#envoy-v3-api-msg-extensions-dynamic-modules-v3-dynamicmoduleconfig
+              "@type": type.googleapis.com/envoy.extensions.filters.http.dynamic_modules.v3.DynamicModuleFilter
+              dynamic_module_config:
+                name: rust_module
+              filter_name: passthrough
+          - name: envoy.filters.http.upstream_codec
+            typed_config:
+              "@type": type.googleapis.com/envoy.extensions.filters.http.upstream_codec.v3.UpstreamCodec
       connect_timeout: 5000s
       type: strict_dns
       lb_policy: round_robin

rust/Cargo.lock

@@ -8,7 +8,7 @@ repository = "https://github.com/envoyproxy/dynamic-modules-example"
 
 [dependencies]
 # The SDK version must match the Envoy version due to the strict compatibility requirements.
-envoy-proxy-dynamic-modules-rust-sdk = { git = "https://github.com/envoyproxy/envoy", rev = "240e45a54779df6f515d9cb065868b499a6fa70e" }
+envoy-proxy-dynamic-modules-rust-sdk = { git = "https://github.com/envoyproxy/envoy", rev = "59a14b1dcb532b23a5566173009e06d02892c1a9" }
 serde = { version = "1.0", features = ["derive"] }
 serde_json = "1.0"
 rand = "0.9.0"