Keepalive example

Dockerfile

@@ -11,10 +11,13 @@ RUN \
     && cd example/server/ \
     && go build -ldflags='-s -w' -o /semaphore-xds-echo-server . \
     && cd ../client/ \
-    && go build -ldflags='-s -w' -o /semaphore-xds-echo-client .
+    && go build -ldflags='-s -w' -o /semaphore-xds-echo-client . \
+    && cd ../client-on-demand/ \
+    && go build -ldflags='-s -w' -o /semaphore-xds-echo-client-on-demand .
 
 FROM alpine:3.15
 COPY --from=build /semaphore-xds /semaphore-xds
 COPY --from=build /semaphore-xds-echo-server /semaphore-xds-echo-server
 COPY --from=build /semaphore-xds-echo-client /semaphore-xds-echo-client
+COPY --from=build /semaphore-xds-echo-client-on-demand /semaphore-xds-echo-client-on-demand
 ENTRYPOINT [ "/semaphore-xds" ]

example/client-on-demand/.gitignore

@@ -0,0 +1 @@
+client-on-demand

example/client-on-demand/echo/echo.proto

@@ -0,0 +1,17 @@
+syntax = "proto3";
+
+package echo;
+option go_package = "github.com/salrashid123/grpc_health_proxy/example/src/echo";
+
+service EchoServer {
+  rpc SayHello (EchoRequest) returns (EchoReply) {}
+  rpc SayHelloStream(EchoRequest) returns (stream EchoReply) {}    
+}
+
+message EchoRequest {
+  string name = 1;
+}
+
+message EchoReply {
+  string message = 1;
+}

example/client-on-demand/go.mod

@@ -0,0 +1,29 @@
+module github.com/utilitywarehouse/semaphore-xds/example/client-on-demand
+
+go 1.19
+
+require (
+	github.com/golang/protobuf v1.5.2
+	github.com/grpc-ecosystem/go-grpc-middleware v1.3.0
+	github.com/scaleway/scaleway-sdk-go v1.0.0-beta.10
+	github.com/sirupsen/logrus v1.9.0
+	google.golang.org/grpc v1.51.0
+)
+
+require (
+	cloud.google.com/go/compute v1.14.0 // indirect
+	cloud.google.com/go/compute/metadata v0.2.2 // indirect
+	github.com/census-instrumentation/opencensus-proto v0.4.1 // indirect
+	github.com/cespare/xxhash/v2 v2.2.0 // indirect
+	github.com/cncf/udpa/go v0.0.0-20220112060539-c52dc94e7fbe // indirect
+	github.com/cncf/xds/go v0.0.0-20221128185840-c261a164b73d // indirect
+	github.com/envoyproxy/go-control-plane v0.10.3 // indirect
+	github.com/envoyproxy/protoc-gen-validate v0.9.1 // indirect
+	golang.org/x/net v0.4.0 // indirect
+	golang.org/x/oauth2 v0.3.0 // indirect
+	golang.org/x/sys v0.3.0 // indirect
+	golang.org/x/text v0.5.0 // indirect
+	google.golang.org/appengine v1.6.7 // indirect
+	google.golang.org/genproto v0.0.0-20221207170731-23e4bf6bdc37 // indirect
+	google.golang.org/protobuf v1.28.1 // indirect
+)