Chameleon rest-grpc gateway fetching and compiling
diff --git a/protos/Makefile b/protos/Makefile
new file mode 100644
index 0000000..9222ab1
--- /dev/null
+++ b/protos/Makefile
@@ -0,0 +1,44 @@
+#
+# Copyright 2016 the original author or authors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+# Makefile to build all protobuf and gRPC related artifacts
+
+ifeq ($(VOLTHA_BASE)_set,_set)
+ $(error To get started, please source the env.sh file from Voltha top level directory)
+endif
+
+default: build
+
+PROTO_FILES := $(wildcard *.proto)
+PROTO_PB2_FILES := $(foreach f,$(PROTO_FILES),$(subst .proto,_pb2.py,$(f)))
+PROTO_DESC_FILES := $(foreach f,$(PROTO_FILES),$(subst .proto,.desc,$(f)))
+
+PROTOC_PREFIX := /usr/local
+PROTOC_LIBDIR := $(PROTOC_PREFIX)/lib
+
+build: $(PROTO_PB2_FILES)
+
+%_pb2.py: %.proto Makefile
+ @echo "Building protocol buffer artifacts from $<"
+ env LD_LIBRARY_PATH=$(PROTOC_LIBDIR) python -m grpc.tools.protoc \
+ -I. \
+ --python_out=. \
+ --grpc_python_out=. \
+ $<
+
+clean:
+ rm -f $(PROTO_PB2_FILES) $(PROTO_DESC_FILES)
+