Enable service_account_creds test and compute_engine_creds for gRpc-java.

tools/dockerfile/grpc_java/Dockerfile

@@ -36,5 +36,8 @@ RUN cd /var/local/git/grpc-java/lib/netty && \
 RUN cd /var/local/git/grpc-java && \
   ./gradlew build installDist
 
+# Add a service_account directory containing the auth creds file
+ADD service_account service_account
+
 # Specify the default command such that the interop server runs on its known testing port
 CMD ["/var/local/git/grpc-java/run-test-server.sh", "--use_tls=true", "--port=8030"]

tools/gce_setup/grpc_docker.sh

@@ -1274,8 +1274,7 @@ grpc_cloud_prod_gen_go_cmd() {
 #   cmd=$($grpc_gen_test_cmd $flags)
 grpc_interop_gen_java_cmd() {
     local cmd_prefix="sudo docker run grpc/java";
-    local test_script="/var/local/git/grpc-java/run-test-client.sh";
-    local test_script+=" --use_test_ca=true --use_tls=true"
+    local test_script="/var/local/git/grpc-java/run-test-client.sh --use_test_ca=true --use_tls=true";
     local the_cmd="$cmd_prefix $test_script $@";
     echo $the_cmd
 }
@@ -1287,13 +1286,40 @@ grpc_interop_gen_java_cmd() {
 #   cmd=$($grpc_gen_test_cmd $flags)
 grpc_cloud_prod_gen_java_cmd() {
     local cmd_prefix="sudo docker run grpc/java";
-    local test_script="/var/local/git/grpc-java/run-test-client.sh";
-    local test_script+=" --use_tls=true"
+    local test_script="/var/local/git/grpc-java/run-test-client.sh --use_tls=true";
     local gfe_flags=$(_grpc_prod_gfe_flags)
     local the_cmd="$cmd_prefix $test_script $gfe_flags $@";
     echo $the_cmd
 }
 
+# constructs the full dockerized java service_account auth interop test cmd.
+#
+# call-seq:
+#   flags= .... # generic flags to include the command
+#   cmd=$($grpc_gen_test_cmd $flags)
+grpc_cloud_prod_auth_service_account_creds_gen_java_cmd() {
+    local cmd_prefix="sudo docker run grpc/java";
+    local test_script="/var/local/git/grpc-java/run-test-client.sh --use_tls=true";
+    local gfe_flags=$(_grpc_prod_gfe_flags)
+    local added_gfe_flags=$(_grpc_svc_acc_test_flags)
+    local the_cmd="$cmd_prefix $test_script $gfe_flags $added_gfe_flags $@";
+    echo $the_cmd
+}
+
+# constructs the full dockerized java gce auth interop test cmd.
+#
+# call-seq:
+#   flags= .... # generic flags to include the command
+#   cmd=$($grpc_gen_test_cmd $flags)
+grpc_cloud_prod_auth_compute_engine_creds_gen_java_cmd() {
+    local cmd_prefix="sudo docker run grpc/java";
+    local test_script="/var/local/git/grpc-java/run-test-client.sh --use_tls=true";
+    local gfe_flags=$(_grpc_prod_gfe_flags)
+    local added_gfe_flags=$(_grpc_gce_test_flags)
+    local the_cmd="$cmd_prefix $test_script $gfe_flags $added_gfe_flags $@";
+    echo $the_cmd
+}
+
 # constructs the full dockerized php interop test cmd.
 #
 # TODO(mlumish): update this to use the script once that's on git

tools/gce_setup/shared_startup_funcs.sh

@@ -413,6 +413,9 @@ grpc_dockerfile_install() {
   [[ $image_label == "grpc/java_base" ]] && {
     grpc_docker_sync_github_key $dockerfile_dir/.ssh 'java_base_ssh_key' || return 1;
   }
+  [[ $image_label == "grpc/java" ]] && {
+    grpc_docker_sync_service_account $dockerfile_dir/service_account || return 1;
+  }
   [[ $image_label == "grpc/ruby" ]] && {
     grpc_docker_sync_roots_pem $dockerfile_dir/cacerts || return 1;
     grpc_docker_sync_service_account $dockerfile_dir/service_account || return 1;