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authorKanagaraj Manickam k00365106 <kanagaraj.manickam@huawei.com>2018-09-01 12:16:59 +0530
committerKanagaraj Manickam k00365106 <kanagaraj.manickam@huawei.com>2018-09-01 12:22:30 +0530
commit499ac90df37d4cead56da0687746abbd8eaf4ef8 (patch)
tree2691dd38d5fa607eeb991460c63e80ebb2370243 /grpc/grpc-server/src/main
parent4531a24a6c85ec695210e11d302b4cfe1962d93d (diff)
VTP: grpc server impl
Issue-ID: VNFSDK-304 Change-Id: I27c03f931d25615d6de0bb85a4c506c842b069f0 Signed-off-by: Kanagaraj Manickam k00365106 <kanagaraj.manickam@huawei.com>
Diffstat (limited to 'grpc/grpc-server/src/main')
-rw-r--r--grpc/grpc-server/src/main/java/org/open/infc/grpc/server/OpenInterfaceGrpcServer.java156
-rw-r--r--grpc/grpc-server/src/main/resources/log4j.properties32
-rw-r--r--grpc/grpc-server/src/main/resources/oclip-grpc-server.properties15
3 files changed, 203 insertions, 0 deletions
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