11 files changed, 771 insertions, 0 deletions
diff --git a/grpc/grpc-client/pom.xml b/grpc/grpc-client/pom.xml
new file mode 100644
index 00000000..93d2b361
--- /dev/null
+++ b/grpc/grpc-client/pom.xml
@@ -0,0 +1,53 @@
+<!--
+    Copyright 2018 Huawei Technologies Co., Ltd.
+
+    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.
+ -->
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+  <modelVersion>4.0.0</modelVersion>
+  <parent>
+    <groupId>org.onap.cli</groupId>
+    <artifactId>oclip-grpc</artifactId>
+    <version>1.0.0</version>
+  </parent>
+  <artifactId>oclip-grpc-client</artifactId>
+  <name>oclip/grpc/client</name>
+  <packaging>jar</packaging>
+  <dependencies>
+      <dependency>
+          <groupId>org.onap.cli</groupId>
+          <artifactId>oclip-grpc-stub</artifactId>
+          <version>1.0.0</version>
+      </dependency>
+  </dependencies>
+   <build>
+        <plugins>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-jar-plugin</artifactId>
+                <configuration>
+                    <archive>
+                        <manifest>
+                            <addClasspath>true</addClasspath>
+                            <mainClass>org.onap.cli.grpc.client.OpenRemoteCli</mainClass>
+                        </manifest>
+                    </archive>
+                </configuration>
+            </plugin>
+            <plugin>
+              <groupId>org.apache.maven.plugins</groupId>
+              <artifactId>maven-dependency-plugin</artifactId>
+            </plugin>
+        </plugins>
+    </build>
+</project>
+\ No newline at end of file
diff --git a/grpc/grpc-client/src/main/java/org/open/infc/grpc/client/OpenInterfaceGrpcClient.java b/grpc/grpc-client/src/main/java/org/open/infc/grpc/client/OpenInterfaceGrpcClient.java
new file mode 100644
index 00000000..e61f54f6
--- /dev/null
+++ b/grpc/grpc-client/src/main/java/org/open/infc/grpc/client/OpenInterfaceGrpcClient.java
@@ -0,0 +1,83 @@
+/*
+ * Copyright 2018 Huawei Technologies Co., Ltd.
+ *
+ * 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.
+ */
+
+
+package org.open.infc.grpc.client;
+
+import java.util.concurrent.TimeUnit;
+import java.util.logging.Level;
+import java.util.logging.Logger;
+
+import org.open.infc.grpc.Args;
+import org.open.infc.grpc.Input;
+import org.open.infc.grpc.OpenInterfaceGrpc;
+import org.open.infc.grpc.Output;
+import org.open.infc.grpc.Result;
+
+import io.grpc.ManagedChannel;
+import io.grpc.ManagedChannelBuilder;
+import io.grpc.StatusRuntimeException;
+
+public class OpenInterfaceGrpcClient {
+      private static final Logger logger = Logger.getLogger(OpenInterfaceGrpcClient.class.getName());
+
+      private final ManagedChannel channel;
+      private final OpenInterfaceGrpc.OpenInterfaceBlockingStub blockingStub;
+
+      public OpenInterfaceGrpcClient(String host, int port) {
+        this(ManagedChannelBuilder.forAddress(host, port)
+            // Channels are secure by default (via SSL/TLS). For the example we disable TLS to avoid
+            // needing certificates.
+            .usePlaintext(true)
+            .build());
+      }
+
+      OpenInterfaceGrpcClient(ManagedChannel channel) {
+        this.channel = channel;
+        blockingStub = OpenInterfaceGrpc.newBlockingStub(channel);
+      }
+
+      public void shutdown() throws InterruptedException {
+        channel.shutdown().awaitTermination(5, TimeUnit.SECONDS);
+      }
+
+      public Output invoke(Input input) {
+        logger.info("Input " + input.toString());
+
+        Output result = Output.newBuilder().build();
+        try {
+            result = blockingStub.invoke(input);
+        } catch (StatusRuntimeException e) {
+          logger.log(Level.WARNING, "RPC failed: {0}", e.getStatus());
+        }
+        logger.info("Output: " + result.toString());
+        return result;
+      }
+
+      public Result remoteCli(Args args) {
+        logger.info(args.toString());
+
+        Result result = Result.newBuilder().setExitCode(1).build();
+        try {
+            result = blockingStub.remoteCli(args);
+        } catch (StatusRuntimeException e) {
+          logger.log(Level.WARNING, "RPC failed: {0}", e.getStatus());
+        }
+
+        logger.info("Result: " + result.toString());
+        return result;
+      }
+}
diff --git a/grpc/grpc-client/src/main/java/org/open/infc/grpc/client/OpenRemoteCli.java b/grpc/grpc-client/src/main/java/org/open/infc/grpc/client/OpenRemoteCli.java
new file mode 100644
index 00000000..7d02c141
--- /dev/null
+++ b/grpc/grpc-client/src/main/java/org/open/infc/grpc/client/OpenRemoteCli.java
@@ -0,0 +1,86 @@
+/*
+ * Copyright 2018 Huawei Technologies Co., Ltd.
+ *
+ * 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.
+ */
+
+package org.open.infc.grpc.client;
+
+import java.net.URL;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.logging.Logger;
+
+import org.open.infc.grpc.Args;
+import org.open.infc.grpc.Result;
+
+public class OpenRemoteCli {
+    public static final String OCLIP_GRPC_SERVER = "http://localhost:50051";
+    public static final String OCLIP_GRPC_SERVER_ENV = "OCLIP_SERVER";
+
+    public static Result run (String[] args) throws Exception {
+        String oclipHome = System.getenv(OCLIP_GRPC_SERVER_ENV);
+
+        if (oclipHome == null) {
+            oclipHome = OCLIP_GRPC_SERVER;
+        }
+
+          if (System.getenv("OPEN_CLI_DEBUG") == null) {
+              Logger globalLogger = Logger.getLogger(OpenInterfaceGrpcClient.class.getName());
+              globalLogger.setLevel(java.util.logging.Level.OFF);
+          } else {
+              System.out.println(OCLIP_GRPC_SERVER_ENV + "=" + oclipHome);
+          }
+
+          if (args.length <= 2 || !args[0].equals("-P")) {
+              System.out.println("Usage: oclip -P <product-name> <command-name> <command-arguments");
+              System.out.println("NOTE: Set environment variable " + OCLIP_GRPC_SERVER_ENV + " to OCLIP gRPC server. By default its " + OCLIP_GRPC_SERVER);
+              System.exit(0);
+          }
+
+          List<String> argList = new ArrayList<>();
+
+          for (String arg: args) {
+              argList.add(arg);
+          }
+
+          //-P
+          argList.remove(0);
+
+          //<product-name>
+          String product = argList.remove(0);
+
+          URL oclipUrl = new URL(oclipHome);
+          OpenInterfaceGrpcClient client = new OpenInterfaceGrpcClient(
+                  oclipUrl.getHost(), oclipUrl.getPort());
+
+          try {
+              Result result = client.remoteCli(Args.newBuilder().addAllArgs(argList).setProduct(product).build());
+              return result;
+          } finally {
+            client.shutdown();
+          }
+    }
+
+
+    public static void main(String[] args) throws Exception {
+        int exitCode = 1;
+        try {
+            Result result = OpenRemoteCli.run(args);
+            System.out.println(result.getOutput());
+            exitCode = result.getExitCode();
+        } finally {
+            System.exit(exitCode);
+          }
+    }
+}
diff --git a/grpc/grpc-client/src/main/resources/log4j.properties b/grpc/grpc-client/src/main/resources/log4j.properties
new file mode 100644
index 00000000..778641ed
--- /dev/null
+++ b/grpc/grpc-client/src/main/resources/log4j.properties
@@ -0,0 +1,32 @@
+# Copyright 2018 Huawei Technologies Co., Ltd.
+#
+# 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.
+
+log4j.rootLogger=ERROR, file
+
+log4j.logger.org.onap.cli=DEBUG, file
+log4j.logger.org.open.infc=DEBUG, file
+
+# Direct log messages to stdout
+log4j.appender.stdout=org.apache.log4j.ConsoleAppender
+log4j.appender.stdout.Target=System.out
+log4j.appender.stdout.layout=org.apache.log4j.PatternLayout
+log4j.appender.stdout.layout.ConversionPattern=%d{yyyy-MM-dd HH:mm:ss} %-5p %c{1}:%L - %m%n
+
+# Redirect log messages to a log file, support file rolling.
+log4j.appender.file=org.apache.log4j.RollingFileAppender
+log4j.appender.file.File=${OPEN_CLI_HOME}/logs/open-cli.log
+log4j.appender.file.MaxFileSize=5MB
+log4j.appender.file.MaxBackupIndex=10
+log4j.appender.file.layout=org.apache.log4j.PatternLayout
+log4j.appender.file.layout.ConversionPattern=%d{yyyy-MM-dd HH:mm:ss} %-5p %c{1}:%L - %m%n
diff --git a/grpc/grpc-server/pom.xml b/grpc/grpc-server/pom.xml
new file mode 100644
index 00000000..412c5c90
--- /dev/null
+++ b/grpc/grpc-server/pom.xml
@@ -0,0 +1,58 @@
+<!--
+    Copyright 2018 Huawei Technologies Co., Ltd.
+
+    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.
+ -->
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+  <modelVersion>4.0.0</modelVersion>
+  <parent>
+    <groupId>org.onap.cli</groupId>
+    <artifactId>oclip-grpc</artifactId>
+    <version>1.0.0</version>
+  </parent>
+  <artifactId>oclip-grpc-server</artifactId>
+  <name>oclip/grpc/server</name>
+  <packaging>jar</packaging>
+  <dependencies>
+      <dependency>
+          <groupId>org.onap.cli</groupId>
+          <artifactId>oclip-grpc-stub</artifactId>
+          <version>1.0.0</version>
+      </dependency>
+      <dependency>
+          <groupId>org.onap.cli</groupId>
+          <artifactId>cli-main</artifactId>
+          <version>2.0.2</version>
+      </dependency>
+  </dependencies>
+   <build>
+        <plugins>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-jar-plugin</artifactId>
+                <configuration>
+                    <archive>
+                        <manifest>
+                            <addClasspath>true</addClasspath>
+                            <mainClass>org.onap.cli.grpc.server.OpenInterfaceGrpcServer</mainClass>
+                        </manifest>
+                    </archive>
+                </configuration>
+            </plugin>
+            <plugin>
+              <groupId>org.apache.maven.plugins</groupId>
+              <artifactId>maven-dependency-plugin</artifactId>
+            </plugin>
+        </plugins>
+    </build>
+</project>
+\ No newline at end of file
diff --git a/grpc/grpc-server/src/main/java/org/open/infc/grpc/server/OpenInterfaceGrpcServer.java b/grpc/grpc-server/src/main/java/org/open/infc/grpc/server/OpenInterfaceGrpcServer.java
new file mode 100644
index 00000000..0f389f31
--- /dev/null
+++ b/grpc/grpc-server/src/main/java/org/open/infc/grpc/server/OpenInterfaceGrpcServer.java
@@ -0,0 +1,156 @@
+/*
+ * Copyright 2018 Huawei Technologies Co., Ltd.
+ *
+ * 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.
+ */
+
+package org.open.infc.grpc.server;
+
+import java.io.IOException;
+import java.util.Map.Entry;
+import java.util.logging.Logger;
+
+import org.onap.cli.fw.cmd.OnapCommand;
+import org.onap.cli.fw.conf.OnapCommandConfig;
+import org.onap.cli.fw.conf.OnapCommandConstants;
+import org.onap.cli.fw.error.OnapCommandException;
+import org.onap.cli.fw.output.OnapCommandResultType;
+import org.onap.cli.fw.registrar.OnapCommandRegistrar;
+import org.onap.cli.main.OnapCli;
+import org.open.infc.grpc.Args;
+import org.open.infc.grpc.Input;
+import org.open.infc.grpc.OpenInterfaceGrpc;
+import org.open.infc.grpc.Output;
+import org.open.infc.grpc.Output.Builder;
+import org.open.infc.grpc.Result;
+
+import io.grpc.Server;
+import io.grpc.ServerBuilder;
+import io.grpc.stub.StreamObserver;
+
+public class OpenInterfaceGrpcServer {
+
+      private static final Logger logger = Logger.getLogger(OpenInterfaceGrpcServer.class.getName());
+
+      private static final String CONF_FILE = "oclip-grpc-server.properties";
+      private static final String CONF_SERVER_PORT = "oclip.grpc_server_port";
+
+      static {
+          OnapCommandConfig.addProperties(CONF_FILE);
+      }
+      private Server server;
+
+      private void start() throws IOException {
+        /* The port on which the server should run */
+        int port = Integer.parseInt(OnapCommandConfig.getPropertyValue(CONF_SERVER_PORT));
+        server = ServerBuilder.forPort(port)
+            .addService(new OpenInterfaceGrpcImpl())
+            .build()
+            .start();
+        logger.info("Server started, listening on " + port);
+        Runtime.getRuntime().addShutdownHook(new Thread() {
+          @Override
+          public void run() {
+            // Use stderr here since the logger may have been reset by its JVM shutdown hook.
+            System.err.println("*** shutting down gRPC server since JVM is shutting down");
+            OpenInterfaceGrpcServer.this.stop();
+            System.err.println("*** server shut down");
+          }
+        });
+      }
+
+      private void stop() {
+        if (server != null) {
+          server.shutdown();
+        }
+      }
+
+      /**
+       * Await termination on the main thread since the grpc library uses daemon threads.
+       */
+      private void blockUntilShutdown() throws InterruptedException {
+        if (server != null) {
+          server.awaitTermination();
+        }
+      }
+
+      /**
+       * Main launches the server from the command line.
+       */
+      public static void main(String[] args) throws IOException, InterruptedException {
+        final OpenInterfaceGrpcServer server = new OpenInterfaceGrpcServer();
+        server.start();
+        server.blockUntilShutdown();
+      }
+
+      static class OpenRemoteCli extends OnapCli {
+          private String outputs = "";
+          public OpenRemoteCli(String product, String[] args) {
+            super(product, args);
+          }
+
+          public void print(String msg) {
+              outputs += msg + "\n";
+          }
+
+          public String getResult() {
+              return outputs;
+          }
+      }
+
+      static class OpenInterfaceGrpcImpl extends OpenInterfaceGrpc.OpenInterfaceImplBase {
+
+        @Override
+        public void invoke(Input req, StreamObserver<Output> responseObserver) {
+            Builder reply = Output.newBuilder();
+            logger.info(req.toString());
+
+            String product = req.getOptionsMap().get(OnapCommandConstants.OPEN_CLI_PRODUCT_NAME);
+            String format =  req.getOptionsMap().getOrDefault(OnapCommandConstants.DEFAULT_PARAMETER_OUTPUT_FORMAT, OnapCommandResultType.JSON.name().toLowerCase());
+            String command = req.getAction();
+
+            try {
+                OnapCommand cmd = OnapCommandRegistrar.getRegistrar().get(command, product);
+                cmd.getParametersMap().get(OnapCommandConstants.DEFAULT_PARAMETER_OUTPUT_FORMAT).setValue(format);
+                for (Entry<String, String> arg: req.getParams().entrySet()) {
+                    cmd.getParametersMap().get(arg.getKey()).setValue(arg.getValue());
+                }
+                cmd.execute();
+
+                reply.putAttrs(OnapCommandConstants.RESULTS, cmd.getResult().print());
+                reply.setSuccess(true);
+                reply.putAttrs(OnapCommandConstants.ERROR, "{}");
+            } catch (OnapCommandException e) {
+                logger.info(e.getMessage());
+                reply.putAttrs(OnapCommandConstants.RESULTS, "{}");
+                reply.setSuccess(false);
+                reply.putAttrs(OnapCommandConstants.ERROR, e.toJsonString());
+            }
+
+            responseObserver.onNext(reply.build());
+            responseObserver.onCompleted();
+        }
+
+        @Override
+        public void remoteCli(Args req, StreamObserver<Result> responseObserver) {
+            logger.info(req.toString());
+
+            OpenRemoteCli cli = new OpenRemoteCli(req.getProduct(), req.getArgsList().toArray(new String [] {}));
+            cli.handle();
+
+            Result reply = Result.newBuilder().setExitCode(cli.getExitCode()).setOutput(cli.getResult()).build();
+            responseObserver.onNext(reply);
+            responseObserver.onCompleted();
+        }
+      }
+}
diff --git a/grpc/grpc-server/src/main/resources/log4j.properties b/grpc/grpc-server/src/main/resources/log4j.properties
new file mode 100644
index 00000000..29a491cd
--- /dev/null
+++ b/grpc/grpc-server/src/main/resources/log4j.properties
@@ -0,0 +1,32 @@
+# Copyright 2018 Huawei Technologies Co., Ltd.
+#
+# 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.
+
+log4j.rootLogger=ERROR, file
+
+log4j.logger.org.onap.cli=DEBUG, file, stdout
+log4j.logger.org.open.infc=DEBUG, file, stdout
+
+# Direct log messages to stdout
+log4j.appender.stdout=org.apache.log4j.ConsoleAppender
+log4j.appender.stdout.Target=System.out
+log4j.appender.stdout.layout=org.apache.log4j.PatternLayout
+log4j.appender.stdout.layout.ConversionPattern=%d{yyyy-MM-dd HH:mm:ss} %-5p %c{1}:%L - %m%n
+
+# Redirect log messages to a log file, support file rolling.
+log4j.appender.file=org.apache.log4j.RollingFileAppender
+log4j.appender.file.File=${OPEN_CLI_HOME}/logs/open-cli.log
+log4j.appender.file.MaxFileSize=5MB
+log4j.appender.file.MaxBackupIndex=10
+log4j.appender.file.layout=org.apache.log4j.PatternLayout
+log4j.appender.file.layout.ConversionPattern=%d{yyyy-MM-dd HH:mm:ss} %-5p %c{1}:%L - %m%n
diff --git a/grpc/grpc-server/src/main/resources/oclip-grpc-server.properties b/grpc/grpc-server/src/main/resources/oclip-grpc-server.properties
new file mode 100644
index 00000000..972fdebb
--- /dev/null
+++ b/grpc/grpc-server/src/main/resources/oclip-grpc-server.properties
@@ -0,0 +1,15 @@
+# Copyright 2018 Huawei Technologies Co., Ltd.
+#
+# 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.
+
+oclip.grpc_server_port=50051
+\ No newline at end of file
diff --git a/grpc/grpc-stub/pom.xml b/grpc/grpc-stub/pom.xml
new file mode 100644
index 00000000..9e13c8ec
--- /dev/null
+++ b/grpc/grpc-stub/pom.xml
@@ -0,0 +1,34 @@
+<!--
+    Copyright 2018 Huawei Technologies Co., Ltd.
+
+    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.
+ -->
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+  <modelVersion>4.0.0</modelVersion>
+  <parent>
+    <groupId>org.onap.cli</groupId>
+    <artifactId>oclip-grpc</artifactId>
+    <version>1.0.0</version>
+  </parent>
+  <artifactId>oclip-grpc-stub</artifactId>
+  <name>oclip/grpc/stub</name>
+  <packaging>jar</packaging>
+   <build>
+        <plugins>
+            <plugin>
+              <groupId>org.apache.maven.plugins</groupId>
+              <artifactId>maven-dependency-plugin</artifactId>
+            </plugin>
+        </plugins>
+    </build>
+</project>
+\ No newline at end of file
diff --git a/grpc/grpc-stub/src/main/proto/oclip.proto b/grpc/grpc-stub/src/main/proto/oclip.proto
new file mode 100644
index 00000000..03224823
--- /dev/null
+++ b/grpc/grpc-stub/src/main/proto/oclip.proto
@@ -0,0 +1,53 @@
+//    Copyright 2018 Huawei Technologies Co., Ltd.
+//
+//    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.
+
+ syntax = "proto3";
+
+option java_package = "org.open.infc.grpc";
+option java_multiple_files = true;
+option java_outer_classname = "Oclip";
+
+package oclip;
+
+service OpenInterface {
+    rpc invoke(Input) returns (Output) {}
+    rpc remoteCli(Args) returns (Result) {}
+}
+
+//Used for java rpc
+message Input {
+    string requestId = 1;
+    string action = 2;
+    map<string, string> params = 3;
+    map<string, string> options = 4;
+}
+
+message Output {
+    bool success = 1;
+    map<string, string> attrs = 2;
+
+    //if backend wants to report back some info like response header
+    map<string, string> addons = 3;
+}
+
+//Used for remote CLI
+message Args{
+    repeated string args = 1;
+    string product = 2;
+}
+
+message Result {
+    int32 exitCode = 1;
+    string output = 2;
+}
+\ No newline at end of file
diff --git a/grpc/pom.xml b/grpc/pom.xml
new file mode 100644
index 00000000..187aa03d
--- /dev/null
+++ b/grpc/pom.xml
@@ -0,0 +1,169 @@
+<!--
+    Copyright 2018 Huawei Technologies Co., Ltd.
+
+    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.
+ -->
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+  <modelVersion>4.0.0</modelVersion>
+    <parent>
+        <groupId>org.onap.cli</groupId>
+        <artifactId>cli</artifactId>
+        <version>2.0.2</version>
+        <relativePath>..</relativePath>
+    </parent>
+  <version>1.0.0</version>
+  <artifactId>oclip-grpc</artifactId>
+  <packaging>pom</packaging>
+  <name>oclip/grpc</name>
+  <modules>
+    <module>grpc-stub</module>
+    <module>grpc-server</module>
+    <module>grpc-client</module>
+  </modules>
+  <properties>
+    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+    <grpc.version>1.8.0</grpc.version>
+  </properties>
+  <dependencies>
+    <dependency>
+      <groupId>io.grpc</groupId>
+      <artifactId>grpc-netty</artifactId>
+      <version>${grpc.version}</version>
+    </dependency>
+    <dependency>
+      <groupId>io.grpc</groupId>
+      <artifactId>grpc-protobuf</artifactId>
+      <version>${grpc.version}</version>
+    </dependency>
+    <dependency>
+      <groupId>io.grpc</groupId>
+      <artifactId>grpc-stub</artifactId>
+      <version>${grpc.version}</version>
+    </dependency>
+    <dependency>
+      <groupId>io.grpc</groupId>
+      <artifactId>grpc-testing</artifactId>
+      <version>${grpc.version}</version>
+      <scope>test</scope>
+    </dependency>
+    <dependency>
+      <groupId>com.google.api.grpc</groupId>
+      <artifactId>proto-google-common-protos</artifactId>
+      <version>0.1.9</version>
+    </dependency>
+  </dependencies>
+  <build>
+    <extensions>
+      <extension>
+        <groupId>kr.motd.maven</groupId>
+        <artifactId>os-maven-plugin</artifactId>
+        <version>1.5.0.Final</version>
+      </extension>
+    </extensions>
+    <plugins>
+      <plugin>
+        <groupId>org.xolstice.maven.plugins</groupId>
+        <artifactId>protobuf-maven-plugin</artifactId>
+        <version>0.5.0</version>
+        <configuration>
+          <protocArtifact>com.google.protobuf:protoc:3.4.0:exe:${os.detected.classifier}</protocArtifact>
+          <pluginId>grpc-java</pluginId>
+          <pluginArtifact>io.grpc:protoc-gen-grpc-java:${grpc.version}:exe:${os.detected.classifier}</pluginArtifact>
+        </configuration>
+        <executions>
+          <execution>
+            <goals>
+              <goal>compile</goal>
+              <goal>compile-custom</goal>
+            </goals>
+          </execution>
+        </executions>
+      </plugin>
+      <plugin>
+        <groupId>org.apache.maven.plugins</groupId>
+        <artifactId>maven-enforcer-plugin</artifactId>
+        <version>1.4.1</version>
+        <executions>
+          <execution>
+            <id>enforce</id>
+            <goals>
+              <goal>enforce</goal>
+            </goals>
+            <configuration>
+              <rules>
+                <requireUpperBoundDeps/>
+              </rules>
+            </configuration>
+          </execution>
+        </executions>
+      </plugin>
+    </plugins>
+     <pluginManagement>
+            <plugins>
+                <plugin>
+                  <groupId>org.apache.maven.plugins</groupId>
+                  <artifactId>maven-dependency-plugin</artifactId>
+                  <executions>
+                    <execution>
+                      <id>copy-artifact</id>
+                      <phase>package</phase>
+                      <goals>
+                        <goal>copy</goal>
+                        <goal>copy-dependencies</goal>
+                      </goals>
+                      <configuration>
+                        <artifactItems>
+                            <artifactItem>
+                              <groupId>${project.groupId}</groupId>
+                              <artifactId>${project.artifactId}</artifactId>
+                              <version>${project.version}</version>
+                              <type>${project.packaging}</type>
+                            </artifactItem>
+                        </artifactItems>
+                        <outputDirectory>${project.build.directory}/lib</outputDirectory>
+                          <overWriteReleases>false</overWriteReleases>
+                          <overWriteSnapshots>false</overWriteSnapshots>
+                          <overWriteIfNewer>true</overWriteIfNewer>
+                          <excludeArtifactIds>junit,jmockit</excludeArtifactIds>
+                      </configuration>
+                    </execution>
+                  </executions>
+                </plugin>
+                <plugin>
+                  <groupId>org.apache.maven.plugins</groupId>
+                  <artifactId>maven-dependency-plugin</artifactId>
+                  <executions>
+                    <execution>
+                      <id>copy-artifact</id>
+                      <phase>package</phase>
+                      <goals>
+                        <goal>copy</goal>
+                      </goals>
+                      <configuration>
+                        <artifactItems>
+                            <artifactItem>
+                              <groupId>${project.groupId}</groupId>
+                              <artifactId>${project.artifactId}</artifactId>
+                              <version>${project.version}</version>
+                              <type>${project.packaging}</type>
+                            </artifactItem>
+                        </artifactItems>
+                        <outputDirectory>../../grpc/target/lib</outputDirectory>
+                      </configuration>
+                    </execution>
+                  </executions>
+                </plugin>
+            </plugins>
+        </pluginManagement>
+  </build>
+</project>
+\ No newline at end of file