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Posted to notifications@dubbo.apache.org by il...@apache.org on 2019/06/05 08:22:51 UTC
[dubbo-samples] 01/03: introduce a maven plugin to detect dubbo
local address to register
This is an automated email from the ASF dual-hosted git repository.
iluo pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/dubbo-samples.git
commit 0b23d694a35a1241b473c06f4f6986b5c16ccd84
Author: Ian Luo <ia...@gmail.com>
AuthorDate: Wed Jun 5 16:19:16 2019 +0800
introduce a maven plugin to detect dubbo local address to register
---
dubbo-maven-address-plugin/pom.xml | 74 +++++++++++
.../org/apache/dubbo/DubboLocalIpDetector.java | 137 +++++++++++++++++++++
.../java/org/apache/dubbo/LocalAddressMojo.java | 49 ++++++++
pom.xml | 1 +
4 files changed, 261 insertions(+)
diff --git a/dubbo-maven-address-plugin/pom.xml b/dubbo-maven-address-plugin/pom.xml
new file mode 100644
index 0000000..ba422cb
--- /dev/null
+++ b/dubbo-maven-address-plugin/pom.xml
@@ -0,0 +1,74 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+ ~ Licensed to the Apache Software Foundation (ASF) under one or more
+ ~ contributor license agreements. See the NOTICE file distributed with
+ ~ this work for additional information regarding copyright ownership.
+ ~ The ASF licenses this file to You 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>
+
+ <groupId>org.apache.dubbo</groupId>
+ <version>1.0-SNAPSHOT</version>
+ <artifactId>dubbo-maven-address-plugin</artifactId>
+ <packaging>maven-plugin</packaging>
+
+ <properties>
+ <maven-plugin.version>3.6.0</maven-plugin.version>
+ <maven-compiler-plugin.version>3.8.0</maven-compiler-plugin.version>
+ <source>1.8</source>
+ <target>1.8</target>
+ </properties>
+
+ <dependencies>
+ <dependency>
+ <groupId>org.apache.maven</groupId>
+ <artifactId>maven-plugin-api</artifactId>
+ <version>${maven-plugin.version}</version>
+ </dependency>
+ <dependency>
+ <groupId>org.apache.maven.plugin-tools</groupId>
+ <artifactId>maven-plugin-annotations</artifactId>
+ <version>${maven-plugin.version}</version>
+ </dependency>
+ <dependency>
+ <groupId>org.apache.maven</groupId>
+ <artifactId>maven-core</artifactId>
+ <version>${maven-plugin.version}</version>
+ </dependency>
+ </dependencies>
+
+ <build>
+ <plugins>
+ <plugin>
+ <groupId>org.apache.maven.plugins</groupId>
+ <artifactId>maven-compiler-plugin</artifactId>
+ <version>${maven-compiler-plugin.version}</version>
+ <configuration>
+ <source>${source}</source>
+ <target>${target}</target>
+ </configuration>
+ </plugin>
+
+ <plugin>
+ <groupId>org.apache.maven.plugins</groupId>
+ <artifactId>maven-plugin-plugin</artifactId>
+ <version>${maven-plugin.version}</version>
+ </plugin>
+ </plugins>
+ </build>
+
+</project>
diff --git a/dubbo-maven-address-plugin/src/main/java/org/apache/dubbo/DubboLocalIpDetector.java b/dubbo-maven-address-plugin/src/main/java/org/apache/dubbo/DubboLocalIpDetector.java
new file mode 100644
index 0000000..4a5b466
--- /dev/null
+++ b/dubbo-maven-address-plugin/src/main/java/org/apache/dubbo/DubboLocalIpDetector.java
@@ -0,0 +1,137 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.dubbo;
+
+import java.io.IOException;
+import java.net.Inet6Address;
+import java.net.InetAddress;
+import java.net.NetworkInterface;
+import java.net.UnknownHostException;
+import java.util.Enumeration;
+import java.util.Optional;
+import java.util.regex.Pattern;
+
+public class DubboLocalIpDetector {
+ private static final Pattern IP_PATTERN = Pattern.compile("\\d{1,3}(\\.\\d{1,3}){3,5}$");
+ private static final String ANYHOST_VALUE = "0.0.0.0";
+ private static final String LOCALHOST_VALUE = "127.0.0.1";
+
+ public static void main(String[] args) {
+ System.out.println(getAddress());
+ }
+
+ public static String getAddress() {
+ return getLocalAddress().getHostAddress();
+ }
+
+ private static InetAddress getLocalAddress() {
+ InetAddress localAddress = null;
+ try {
+ localAddress = InetAddress.getLocalHost();
+ Optional<InetAddress> addressOp = toValidAddress(localAddress);
+ if (addressOp.isPresent()) {
+ return addressOp.get();
+ }
+ } catch (Throwable e) {
+ e.printStackTrace();
+ }
+
+ try {
+ Enumeration<NetworkInterface> interfaces = NetworkInterface.getNetworkInterfaces();
+ if (null == interfaces) {
+ return localAddress;
+ }
+ while (interfaces.hasMoreElements()) {
+ try {
+ NetworkInterface network = interfaces.nextElement();
+ if (network.isLoopback() || network.isVirtual() || !network.isUp()) {
+ continue;
+ }
+ Enumeration<InetAddress> addresses = network.getInetAddresses();
+ while (addresses.hasMoreElements()) {
+ try {
+ Optional<InetAddress> addressOp = toValidAddress(addresses.nextElement());
+ if (addressOp.isPresent()) {
+ try {
+ if (addressOp.get().isReachable(100)) {
+ return addressOp.get();
+ }
+ } catch (IOException e) {
+ // ignore
+ }
+ }
+ } catch (Throwable e) {
+ e.printStackTrace();
+ }
+ }
+ } catch (Throwable e) {
+ e.printStackTrace();
+ }
+ }
+ } catch (Throwable e) {
+ e.printStackTrace();
+ }
+ return localAddress;
+ }
+
+ private static Optional<InetAddress> toValidAddress(InetAddress address) {
+ if (address instanceof Inet6Address) {
+ Inet6Address v6Address = (Inet6Address) address;
+ if (isPreferIPV6Address()) {
+ return Optional.ofNullable(normalizeV6Address(v6Address));
+ }
+ }
+ if (isValidV4Address(address)) {
+ return Optional.of(address);
+ }
+ return Optional.empty();
+ }
+
+ private static boolean isPreferIPV6Address() {
+ boolean preferIpv6 = Boolean.getBoolean("java.net.preferIPv6Addresses");
+ if (!preferIpv6) {
+ return false;
+ }
+ return false;
+ }
+
+ private static InetAddress normalizeV6Address(Inet6Address address) {
+ String addr = address.getHostAddress();
+ int i = addr.lastIndexOf('%');
+ if (i > 0) {
+ try {
+ return InetAddress.getByName(addr.substring(0, i) + '%' + address.getScopeId());
+ } catch (UnknownHostException e) {
+ e.printStackTrace();
+ }
+ }
+ return address;
+ }
+
+ private static boolean isValidV4Address(InetAddress address) {
+ if (address == null || address.isLoopbackAddress()) {
+ return false;
+ }
+ String name = address.getHostAddress();
+ boolean result = (name != null
+ && IP_PATTERN.matcher(name).matches()
+ && !ANYHOST_VALUE.equals(name)
+ && !LOCALHOST_VALUE.equals(name));
+ return result;
+ }
+}
diff --git a/dubbo-maven-address-plugin/src/main/java/org/apache/dubbo/LocalAddressMojo.java b/dubbo-maven-address-plugin/src/main/java/org/apache/dubbo/LocalAddressMojo.java
new file mode 100644
index 0000000..faa48f5
--- /dev/null
+++ b/dubbo-maven-address-plugin/src/main/java/org/apache/dubbo/LocalAddressMojo.java
@@ -0,0 +1,49 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You 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.apache.dubbo;
+
+import org.apache.maven.plugin.AbstractMojo;
+import org.apache.maven.plugin.MojoExecutionException;
+import org.apache.maven.plugin.MojoFailureException;
+import org.apache.maven.plugins.annotations.Mojo;
+import org.apache.maven.plugins.annotations.Parameter;
+import org.apache.maven.project.MavenProject;
+
+@Mojo(name = "local-address")
+public class LocalAddressMojo extends AbstractMojo {
+ @Parameter(defaultValue = "${project}")
+ private MavenProject project;
+
+ @Parameter(name = "localAddress", defaultValue = "dubbo.local.address")
+ private String localAddress;
+
+
+ public void execute() throws MojoExecutionException, MojoFailureException {
+ String address = DubboLocalIpDetector.getAddress();
+ getLog().info("set dubbo local address " + address + " to property '" + localAddress + "'");
+ project.getProperties().setProperty(localAddress, DubboLocalIpDetector.getAddress());
+ }
+
+ public String getLocalAddress() {
+ return localAddress;
+ }
+
+ public void setLocalAddress(String localAddress) {
+ this.localAddress = localAddress;
+ }
+}
diff --git a/pom.xml b/pom.xml
index 8655a6a..5c25944 100644
--- a/pom.xml
+++ b/pom.xml
@@ -25,6 +25,7 @@
<packaging>pom</packaging>
<version>1.0-SNAPSHOT</version>
<modules>
+ <module>dubbo-maven-address-plugin</module>
<module>dubbo-samples-annotation</module>
<module>dubbo-samples-api-client</module>
<module>dubbo-samples-api</module>
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