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songxiaosheng pushed a commit to branch main
in repository https://gitbox.apache.org/repos/asf/dubbo-spi-samples.git


The following commit(s) were added to refs/heads/main by this push:
     new 589e9f6  add dubbo-spi-samples (#1)
589e9f6 is described below

commit 589e9f62c75dd68c4e1d5e23863124156496e830
Author: 王聪洋 <[email protected]>
AuthorDate: Tue May 21 21:22:21 2024 +0800

    add dubbo-spi-samples (#1)
    
    * init commit
    
    * add license
    
    * add license
---
 .github/workflows/license.yml                      |  34 +++
 .gitignore                                         |  63 +++++
 pom.xml                                            | 100 +++++++
 spi-samples-configcenter/pom.xml                   |  39 +++
 .../spi-samples-configcenter-etcd/pom.xml          | 126 +++++++++
 .../spi/samples/configcenter/EtcdConsumer.java     |  38 +++
 .../spi/samples/configcenter/EtcdProvider.java     |  39 +++
 .../dubbo/spi/samples/configcenter/EtcdUtil.java   |  78 ++++++
 .../spi/samples/configcenter/api/DemoService.java  |  26 ++
 .../samples/configcenter/impl/DemoServiceImpl.java |  38 +++
 .../src/main/resources/log4j2.xml                  |  29 ++
 .../resources/spring/configcenter-consumer.xml     |  36 +++
 .../resources/spring/configcenter-provider.xml     |  38 +++
 tools/embedded-zookeeper/pom.xml                   | 122 ++++++++
 .../apache/dubbo/samples/EmbeddedZooKeeper.java    | 312 +++++++++++++++++++++
 .../src/main/resources/log4j2.xml                  |  29 ++
 tools/pom.xml                                      |  37 +++
 17 files changed, 1184 insertions(+)

diff --git a/.github/workflows/license.yml b/.github/workflows/license.yml
new file mode 100644
index 0000000..a513ed6
--- /dev/null
+++ b/.github/workflows/license.yml
@@ -0,0 +1,34 @@
+#
+#
+#   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.
+#
+
+name: License Check
+
+on: [push, pull_request, workflow_dispatch]
+
+permissions:
+  contents: read
+
+jobs:
+  license:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - name: Check License
+        uses: apache/skywalking-eyes@main
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
\ No newline at end of file
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..5335ad5
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,63 @@
+# maven ignore
+target/
+*.jar
+*.war
+*.zip
+*.tar
+*.tar.gz
+pom.xml.tag
+pom.xml.releaseBackup
+pom.xml.versionsBackup
+pom.xml.next
+release.properties
+dependency-reduced-pom.xml
+buildNumber.properties
+.mvn/timing.properties
+# https://github.com/takari/maven-wrapper#usage-without-binary-jar
+.mvn/wrapper/maven-wrapper.jar
+
+# eclipse ignore
+.settings/
+.project
+.classpath
+
+# idea ignore
+.idea/
+*.ipr
+*.iml
+*.iws
+
+# temp ignore
+*.log
+*.cache
+*.diff
+*.patch
+*.tmp
+
+# system ignore
+.DS_Store
+Thumbs.db
+
+# generated code
+**/dependency-reduced-pom.xml
+
+# Binaries for programs and plugins
+*.exe
+*.exe~
+*.dll
+*.so
+*.dylib
+
+# Test binary, build with `go test -c`
+*.test
+
+# Output of the go coverage tool, specifically when used with LiteIDE
+*.out
+classes
+
+# Gopkg.lock
+vendor/
+
+logs/
+.vscode/
+coverage.txt
\ No newline at end of file
diff --git a/pom.xml b/pom.xml
new file mode 100644
index 0000000..ac7c412
--- /dev/null
+++ b/pom.xml
@@ -0,0 +1,100 @@
+<?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>
+    <artifactId>dubbo-spi-samples</artifactId>
+    <packaging>pom</packaging>
+    <version>1.0-SNAPSHOT</version>
+    <name>Dubbo Spi Samples</name>
+    <description>Dubbo Spi Samples</description>
+
+    <properties>
+        <maven.compiler.source>1.8</maven.compiler.source>
+        <maven.compiler.target>1.8</maven.compiler.target>
+        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+
+        <spi.version>3.2.0</spi.version>
+        <dubbo.version>3.2.11</dubbo.version>
+        <spring.version>4.3.30.RELEASE</spring.version>
+        <log4j2.version>2.17.2</log4j2.version>
+        <junit.version>4.13.1</junit.version>
+
+        <maven-compiler-plugin.version>3.10.1</maven-compiler-plugin.version>
+        <javax.annotation-api.version>1.3.2</javax.annotation-api.version>
+    </properties>
+
+    <modules>
+        <module>spi-samples-configcenter</module>
+        <module>tools</module>
+    </modules>
+
+    <dependencyManagement>
+        <dependencies>
+
+            <dependency>
+                <groupId>org.apache.logging.log4j</groupId>
+                <artifactId>log4j-api</artifactId>
+                <version>${log4j2.version}</version>
+            </dependency>
+            <dependency>
+                <groupId>org.apache.logging.log4j</groupId>
+                <artifactId>log4j-slf4j-impl</artifactId>
+                <version>${log4j2.version}</version>
+            </dependency>
+        </dependencies>
+    </dependencyManagement>
+
+    <build>
+        <pluginManagement>
+            <plugins>
+                <plugin>
+                    <artifactId>maven-compiler-plugin</artifactId>
+                    <version>${maven-compiler-plugin.version}</version>
+                </plugin>
+            </plugins>
+        </pluginManagement>
+    </build>
+
+    <profiles>
+        <profile>
+            <id>jdk9</id>
+            <activation>
+                <jdk>[9,)</jdk>
+            </activation>
+            <properties>
+                
<maven.compiler.release>${java.version}</maven.compiler.release>
+            </properties>
+        </profile>
+        <profile>
+            <id>javax.annotation</id>
+            <activation>
+                <jdk>[11,)</jdk>
+            </activation>
+            <dependencies>
+                <dependency>
+                    <groupId>javax.annotation</groupId>
+                    <artifactId>javax.annotation-api</artifactId>
+                    <version>${javax.annotation-api.version}</version>
+                </dependency>
+            </dependencies>
+        </profile>
+    </profiles>
+</project>
diff --git a/spi-samples-configcenter/pom.xml b/spi-samples-configcenter/pom.xml
new file mode 100644
index 0000000..d156025
--- /dev/null
+++ b/spi-samples-configcenter/pom.xml
@@ -0,0 +1,39 @@
+<?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>
+    <parent>
+        <groupId>org.apache.dubbo</groupId>
+        <artifactId>dubbo-spi-samples</artifactId>
+        <version>1.0-SNAPSHOT</version>
+    </parent>
+
+    <groupId>org.apache.dubbo</groupId>
+    <artifactId>spi-samples-configcenter</artifactId>
+    <packaging>pom</packaging>
+    <modules>
+        <module>spi-samples-configcenter-etcd</module>
+    </modules>
+
+    <properties>
+        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+    </properties>
+
+</project>
\ No newline at end of file
diff --git a/spi-samples-configcenter/spi-samples-configcenter-etcd/pom.xml 
b/spi-samples-configcenter/spi-samples-configcenter-etcd/pom.xml
new file mode 100644
index 0000000..e0e80d9
--- /dev/null
+++ b/spi-samples-configcenter/spi-samples-configcenter-etcd/pom.xml
@@ -0,0 +1,126 @@
+<?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>
+    <parent>
+        <groupId>org.apache.dubbo</groupId>
+        <artifactId>spi-samples-configcenter</artifactId>
+        <version>1.0-SNAPSHOT</version>
+    </parent>
+
+    <artifactId>spi-samples-configcenter-etcd</artifactId>
+
+    <properties>
+<!--        <maven.compiler.source>17</maven.compiler.source>-->
+<!--        <maven.compiler.target>17</maven.compiler.target>-->
+
+        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+    </properties>
+
+    <dependencyManagement>
+        <dependencies>
+            <dependency>
+                <groupId>org.springframework</groupId>
+                <artifactId>spring-framework-bom</artifactId>
+                <version>${spring.version}</version>
+                <type>pom</type>
+                <scope>import</scope>
+            </dependency>
+
+            <dependency>
+                <groupId>org.apache.dubbo</groupId>
+                <artifactId>dubbo-bom</artifactId>
+                <version>${dubbo.version}</version>
+                <type>pom</type>
+                <scope>import</scope>
+            </dependency>
+
+            <dependency>
+                <groupId>org.apache.dubbo.extensions</groupId>
+                <artifactId>dubbo-extensions-bom</artifactId>
+                <version>${spi.version}</version>
+                <type>pom</type>
+                <scope>import</scope>
+            </dependency>
+        </dependencies>
+    </dependencyManagement>
+
+    <dependencies>
+        <dependency>
+            <groupId>org.apache.dubbo</groupId>
+            <artifactId>dubbo</artifactId>
+            <version>${dubbo.version}</version>
+        </dependency>
+
+        <dependency>
+            <groupId>org.apache.dubbo.extensions</groupId>
+            <artifactId>dubbo-configcenter-etcd</artifactId>
+            <version>${spi.version}</version>
+        </dependency>
+
+        <dependency>
+            <groupId>io.etcd</groupId>
+            <artifactId>jetcd-launcher</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>org.apache.logging.log4j</groupId>
+            <artifactId>log4j-api</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.apache.logging.log4j</groupId>
+            <artifactId>log4j-slf4j-impl</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>org.apache.dubbo</groupId>
+            <artifactId>embedded-zookeeper</artifactId>
+            <version>1.0-SNAPSHOT</version>
+        </dependency>
+
+    </dependencies>
+
+    <profiles>
+        <!-- For jdk 11 above JavaEE annotation -->
+        <profile>
+            <id>javax.annotation</id>
+            <activation>
+                <jdk>[1.11,)</jdk>
+            </activation>
+            <dependencies>
+                <dependency>
+                    <groupId>javax.annotation</groupId>
+                    <artifactId>javax.annotation-api</artifactId>
+                    <version>${javax.annotation-api.version}</version>
+                </dependency>
+            </dependencies>
+        </profile>
+    </profiles>
+
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-compiler-plugin</artifactId>
+                <version>${maven-compiler-plugin.version}</version>
+            </plugin>
+        </plugins>
+    </build>
+</project>
\ No newline at end of file
diff --git 
a/spi-samples-configcenter/spi-samples-configcenter-etcd/src/main/java/org/apache/dubbo/spi/samples/configcenter/EtcdConsumer.java
 
b/spi-samples-configcenter/spi-samples-configcenter-etcd/src/main/java/org/apache/dubbo/spi/samples/configcenter/EtcdConsumer.java
new file mode 100644
index 0000000..2cb6f02
--- /dev/null
+++ 
b/spi-samples-configcenter/spi-samples-configcenter-etcd/src/main/java/org/apache/dubbo/spi/samples/configcenter/EtcdConsumer.java
@@ -0,0 +1,38 @@
+/*
+ *
+ *   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.spi.samples.configcenter;
+
+
+import org.apache.dubbo.spi.samples.configcenter.api.DemoService;
+
+import org.springframework.context.support.ClassPathXmlApplicationContext;
+
+public class EtcdConsumer {
+
+    public static void main(String[] args) {
+        ClassPathXmlApplicationContext context = new 
ClassPathXmlApplicationContext(new 
String[]{"spring/configcenter-consumer.xml"});
+        context.start();
+        DemoService demoService = context.getBean("demoService", 
DemoService.class);
+
+        String hello = demoService.sayHello("world");
+        System.out.println(hello);
+
+    }
+}
diff --git 
a/spi-samples-configcenter/spi-samples-configcenter-etcd/src/main/java/org/apache/dubbo/spi/samples/configcenter/EtcdProvider.java
 
b/spi-samples-configcenter/spi-samples-configcenter-etcd/src/main/java/org/apache/dubbo/spi/samples/configcenter/EtcdProvider.java
new file mode 100644
index 0000000..5b732c2
--- /dev/null
+++ 
b/spi-samples-configcenter/spi-samples-configcenter-etcd/src/main/java/org/apache/dubbo/spi/samples/configcenter/EtcdProvider.java
@@ -0,0 +1,39 @@
+/*
+ *
+ *   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.spi.samples.configcenter;
+
+import org.apache.dubbo.samples.EmbeddedZooKeeper;
+
+import org.springframework.context.support.ClassPathXmlApplicationContext;
+
+import java.util.concurrent.CountDownLatch;
+
+public class EtcdProvider {
+
+    public static void main(String[] args) throws Exception {
+//        new EmbeddedZooKeeper(2181, false).start();
+        ClassPathXmlApplicationContext context = new 
ClassPathXmlApplicationContext(new 
String[]{"spring/configcenter-provider.xml"});
+        context.start();
+
+        System.out.println("dubbo service started");
+        new CountDownLatch(1).await();
+    }
+
+}
diff --git 
a/spi-samples-configcenter/spi-samples-configcenter-etcd/src/main/java/org/apache/dubbo/spi/samples/configcenter/EtcdUtil.java
 
b/spi-samples-configcenter/spi-samples-configcenter-etcd/src/main/java/org/apache/dubbo/spi/samples/configcenter/EtcdUtil.java
new file mode 100644
index 0000000..8097173
--- /dev/null
+++ 
b/spi-samples-configcenter/spi-samples-configcenter-etcd/src/main/java/org/apache/dubbo/spi/samples/configcenter/EtcdUtil.java
@@ -0,0 +1,78 @@
+/*
+ *
+ *   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.spi.samples.configcenter;
+
+import io.etcd.jetcd.ByteSequence;
+import io.etcd.jetcd.Client;
+import io.etcd.jetcd.launcher.EtcdCluster;
+import io.etcd.jetcd.launcher.EtcdClusterFactory;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.net.URI;
+import java.util.List;
+import java.util.concurrent.CountDownLatch;
+
+import static java.nio.charset.StandardCharsets.UTF_8;
+
+public class EtcdUtil {
+    private static final Logger logger = 
LoggerFactory.getLogger(EtcdUtil.class);
+
+    public static EtcdCluster etcdCluster;
+
+    public static Client client;
+
+    public static void start() {
+        try {
+            etcdCluster = 
EtcdClusterFactory.buildCluster(EtcdUtil.class.getSimpleName(), 1, false);
+
+            etcdCluster.start();
+            client = 
Client.builder().endpoints(etcdCluster.getClientEndpoints()).build();
+
+            List<URI> clientEndPoints = etcdCluster.getClientEndpoints();
+
+            String ipAddress = clientEndPoints.get(0).getHost() + ":" + 
clientEndPoints.get(0).getPort(); //"127.0.0.1:2379";
+
+            logger.info("etcdStarted.... ipAddress = " + ipAddress);
+        } catch (Exception e) {
+            logger.error("Failed to start etcd cluster", e);
+        }
+    }
+
+    public static void close(){
+        etcdCluster.close();
+        client.close();
+    }
+
+    private static void put(String key, String value) {
+        try {
+            client.getKVClient().put(ByteSequence.from(key, UTF_8), 
ByteSequence.from(value, UTF_8)).get();
+        } catch (Exception e) {
+            System.out.println("Error put value to etcd.");
+        }
+    }
+
+    public static void main(String[] args) throws InterruptedException {
+        start();
+        put("/dubbo/config/test/dubbo.properties", "aaa=bbb");
+        new CountDownLatch(1).await();
+//        close();
+    }
+}
diff --git 
a/spi-samples-configcenter/spi-samples-configcenter-etcd/src/main/java/org/apache/dubbo/spi/samples/configcenter/api/DemoService.java
 
b/spi-samples-configcenter/spi-samples-configcenter-etcd/src/main/java/org/apache/dubbo/spi/samples/configcenter/api/DemoService.java
new file mode 100644
index 0000000..79775b1
--- /dev/null
+++ 
b/spi-samples-configcenter/spi-samples-configcenter-etcd/src/main/java/org/apache/dubbo/spi/samples/configcenter/api/DemoService.java
@@ -0,0 +1,26 @@
+/*
+ *
+ *   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.spi.samples.configcenter.api;
+
+public interface DemoService {
+
+    String sayHello(String name);
+
+}
diff --git 
a/spi-samples-configcenter/spi-samples-configcenter-etcd/src/main/java/org/apache/dubbo/spi/samples/configcenter/impl/DemoServiceImpl.java
 
b/spi-samples-configcenter/spi-samples-configcenter-etcd/src/main/java/org/apache/dubbo/spi/samples/configcenter/impl/DemoServiceImpl.java
new file mode 100644
index 0000000..0576850
--- /dev/null
+++ 
b/spi-samples-configcenter/spi-samples-configcenter-etcd/src/main/java/org/apache/dubbo/spi/samples/configcenter/impl/DemoServiceImpl.java
@@ -0,0 +1,38 @@
+/*
+ *
+ *   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.spi.samples.configcenter.impl;
+
+
+import org.apache.dubbo.rpc.RpcContext;
+import org.apache.dubbo.spi.samples.configcenter.api.DemoService;
+
+import java.text.SimpleDateFormat;
+import java.util.Date;
+
+public class DemoServiceImpl implements DemoService {
+
+    @Override
+    public String sayHello(String name) {
+        System.out.println("[" + new SimpleDateFormat("HH:mm:ss").format(new 
Date()) + "] Hello " + name +
+                ", request from consumer: " + 
RpcContext.getContext().getRemoteAddress());
+        return "Hello " + name + ", response from provider: " + 
RpcContext.getContext().getLocalAddress();
+    }
+
+}
diff --git 
a/spi-samples-configcenter/spi-samples-configcenter-etcd/src/main/resources/log4j2.xml
 
b/spi-samples-configcenter/spi-samples-configcenter-etcd/src/main/resources/log4j2.xml
new file mode 100644
index 0000000..69e1321
--- /dev/null
+++ 
b/spi-samples-configcenter/spi-samples-configcenter-etcd/src/main/resources/log4j2.xml
@@ -0,0 +1,29 @@
+<?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.
+  -->
+<Configuration status="WARN">
+    <Appenders>
+        <Console name="Console" target="SYSTEM_OUT" follow="true">
+            <PatternLayout pattern="%style{%d{HH:mm:ss.SSS}}{Magenta} 
%style{|-}{White}%highlight{%-5p} [%t] %style{%40.40c}{Cyan}:%style{%-3L}{Blue} 
%style{-|}{White} 
%m%n%rEx{filters(jdk.internal.reflect,java.lang.reflect,sun.reflect)}" 
disableAnsi="false" charset="UTF-8"/>
+        </Console>
+    </Appenders>
+    <Loggers>
+        <Root level="info">
+            <AppenderRef ref="Console"/>
+        </Root>
+    </Loggers>
+</Configuration>
diff --git 
a/spi-samples-configcenter/spi-samples-configcenter-etcd/src/main/resources/spring/configcenter-consumer.xml
 
b/spi-samples-configcenter/spi-samples-configcenter-etcd/src/main/resources/spring/configcenter-consumer.xml
new file mode 100644
index 0000000..0874491
--- /dev/null
+++ 
b/spi-samples-configcenter/spi-samples-configcenter-etcd/src/main/resources/spring/configcenter-consumer.xml
@@ -0,0 +1,36 @@
+<?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.
+  ~
+  -->
+
+<beans xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance";
+       xmlns:dubbo="http://dubbo.apache.org/schema/dubbo";
+       xmlns="http://www.springframework.org/schema/beans"; 
xmlns:context="http://www.springframework.org/schema/context";
+       xsi:schemaLocation="http://www.springframework.org/schema/beans 
http://www.springframework.org/schema/beans/spring-beans-4.3.xsd
+       http://dubbo.apache.org/schema/dubbo 
http://dubbo.apache.org/schema/dubbo/dubbo.xsd 
http://www.springframework.org/schema/context 
http://www.springframework.org/schema/context/spring-context.xsd";>
+    <context:property-placeholder/>
+
+    <dubbo:application name="dubbo-spi-configcenter-etcd-consumer"/>
+
+    <dubbo:registry address="zookeeper://127.0.0.1:2181"/>
+
+    <dubbo:config-center highest-priority="false" 
address="etcd3://${etcd.address:localhost}:2379"/>
+
+    <dubbo:reference id="demoService" 
interface="org.apache.dubbo.spi.samples.configcenter.api.DemoService"/>
+
+</beans>
diff --git 
a/spi-samples-configcenter/spi-samples-configcenter-etcd/src/main/resources/spring/configcenter-provider.xml
 
b/spi-samples-configcenter/spi-samples-configcenter-etcd/src/main/resources/spring/configcenter-provider.xml
new file mode 100644
index 0000000..00c7722
--- /dev/null
+++ 
b/spi-samples-configcenter/spi-samples-configcenter-etcd/src/main/resources/spring/configcenter-provider.xml
@@ -0,0 +1,38 @@
+<?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.
+  ~
+  -->
+
+<beans xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance";
+       xmlns:dubbo="http://dubbo.apache.org/schema/dubbo";
+       xmlns="http://www.springframework.org/schema/beans"; 
xmlns:context="http://www.springframework.org/schema/context";
+       xsi:schemaLocation="http://www.springframework.org/schema/beans 
http://www.springframework.org/schema/beans/spring-beans-4.3.xsd
+       http://dubbo.apache.org/schema/dubbo 
http://dubbo.apache.org/schema/dubbo/dubbo.xsd 
http://www.springframework.org/schema/context 
http://www.springframework.org/schema/context/spring-context.xsd";>
+    <context:property-placeholder/>
+
+    <dubbo:application name="dubbo-spi-configcenter-etcd-provider"/>
+
+    <dubbo:registry address="zookeeper://127.0.0.1:2181"/>
+
+    <dubbo:config-center address="etcd3://${etcd.address:localhost}:2379"/>
+
+    <bean id="demoService" 
class="org.apache.dubbo.spi.samples.configcenter.impl.DemoServiceImpl"/>
+
+    <dubbo:service 
interface="org.apache.dubbo.spi.samples.configcenter.api.DemoService" 
ref="demoService"/>
+
+</beans>
diff --git a/tools/embedded-zookeeper/pom.xml b/tools/embedded-zookeeper/pom.xml
new file mode 100644
index 0000000..cea9e00
--- /dev/null
+++ b/tools/embedded-zookeeper/pom.xml
@@ -0,0 +1,122 @@
+<?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>
+    <parent>
+        <groupId>org.apache.dubbo</groupId>
+        <artifactId>tools</artifactId>
+        <version>1.0-SNAPSHOT</version>
+    </parent>
+
+    <groupId>org.apache.dubbo</groupId>
+    <artifactId>embedded-zookeeper</artifactId>
+    <version>1.0-SNAPSHOT</version>
+
+    <properties>
+        <maven.compiler.source>1.8</maven.compiler.source>
+        <maven.compiler.target>1.8</maven.compiler.target>
+        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+
+        <zookeeper.version>3.8.3</zookeeper.version>
+        <metrics.version>4.1.12.1</metrics.version>
+        <snappy.version>1.1.10.5</snappy.version>
+        <log4j2.version>2.20.0</log4j2.version>
+    </properties>
+
+    <dependencyManagement>
+        <dependencies>
+            <dependency>
+                <groupId>org.springframework</groupId>
+                <artifactId>spring-framework-bom</artifactId>
+                <version>${spring.version}</version>
+                <type>pom</type>
+                <scope>import</scope>
+            </dependency>
+            <dependency>
+                <groupId>org.apache.dubbo</groupId>
+                <artifactId>dubbo-dependencies-zookeeper</artifactId>
+                <version>${dubbo.version}</version>
+                <type>pom</type>
+            </dependency>
+
+            <dependency>
+                <groupId>org.apache.dubbo</groupId>
+                <artifactId>dubbo-dependencies-zookeeper-curator5</artifactId>
+                <version>${dubbo.version}</version>
+                <type>pom</type>
+            </dependency>
+
+            <dependency>
+                <groupId>org.apache.zookeeper</groupId>
+                <artifactId>zookeeper</artifactId>
+                <version>${zookeeper.version}</version>
+                <exclusions>
+                    <exclusion>
+                        <artifactId>logback-core</artifactId>
+                        <groupId>ch.qos.logback</groupId>
+                    </exclusion>
+                    <exclusion>
+                        <artifactId>logback-classic</artifactId>
+                        <groupId>ch.qos.logback</groupId>
+                    </exclusion>
+                </exclusions>
+            </dependency>
+        </dependencies>
+    </dependencyManagement>
+
+    <dependencies>
+        <dependency>
+            <groupId>org.springframework</groupId>
+            <artifactId>spring-context</artifactId>
+            <scope>compile</scope>
+        </dependency>
+        <dependency>
+            <groupId>io.dropwizard.metrics</groupId>
+            <artifactId>metrics-core</artifactId>
+            <version>${metrics.version}</version>
+        </dependency>
+
+        <dependency>
+            <groupId>org.xerial.snappy</groupId>
+            <artifactId>snappy-java</artifactId>
+            <version>${snappy.version}</version>
+        </dependency>
+
+        <dependency>
+            <groupId>org.apache.dubbo</groupId>
+            <artifactId>dubbo-dependencies-zookeeper</artifactId>
+            <type>pom</type>
+        </dependency>
+
+    </dependencies>
+
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.codehaus.mojo</groupId>
+                <artifactId>exec-maven-plugin</artifactId>
+                <version>3.1.0</version>
+                <configuration>
+                    
<mainClass>org.apache.dubbo.samples.EmbeddedZooKeeper</mainClass>
+                </configuration>
+            </plugin>
+        </plugins>
+    </build>
+</project>
diff --git 
a/tools/embedded-zookeeper/src/main/java/org/apache/dubbo/samples/EmbeddedZooKeeper.java
 
b/tools/embedded-zookeeper/src/main/java/org/apache/dubbo/samples/EmbeddedZooKeeper.java
new file mode 100644
index 0000000..2d0185a
--- /dev/null
+++ 
b/tools/embedded-zookeeper/src/main/java/org/apache/dubbo/samples/EmbeddedZooKeeper.java
@@ -0,0 +1,312 @@
+/*
+ *
+ *   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.samples;
+
+import org.apache.zookeeper.server.ServerConfig;
+import org.apache.zookeeper.server.ZooKeeperServerMain;
+import org.apache.zookeeper.server.quorum.QuorumPeerConfig;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.context.SmartLifecycle;
+import org.springframework.util.ErrorHandler;
+
+import java.io.File;
+import java.io.IOException;
+import java.lang.reflect.Method;
+import java.net.ServerSocket;
+import java.util.List;
+import java.util.Properties;
+import java.util.Random;
+import java.util.UUID;
+import java.util.stream.Collectors;
+
+/**
+ * from: 
https://github.com/spring-projects/spring-xd/blob/v1.3.1.RELEASE/spring-xd-dirt/src/main/java/org/springframework/xd/dirt/zookeeper/ZooKeeperUtils.java
+ * <p>
+ * Helper class to start an embedded instance of standalone (non clustered) 
ZooKeeper.
+ * <p>
+ * NOTE: at least an external standalone server (if not an ensemble) are 
recommended, even for
+ * {@link org.springframework.xd.dirt.server.singlenode.SingleNodeApplication}
+ *
+ * @author Patrick Peralta
+ * @author Mark Fisher
+ * @author David Turanski
+ */
+public class EmbeddedZooKeeper implements SmartLifecycle {
+
+    private static final Random RANDOM = new Random();
+
+    /**
+     * Logger.
+     */
+    private static final Logger logger = 
LoggerFactory.getLogger(EmbeddedZooKeeper.class);
+
+    /**
+     * ZooKeeper client port. This will be determined dynamically upon startup.
+     */
+    private final int clientPort;
+
+    /**
+     * Whether to auto-start. Default is true.
+     */
+    private boolean autoStartup = true;
+
+    /**
+     * Lifecycle phase. Default is 0.
+     */
+    private int phase = 0;
+
+    /**
+     * Thread for running the ZooKeeper server.
+     */
+    private volatile Thread zkServerThread;
+
+    /**
+     * ZooKeeper server.
+     */
+    private volatile ZooKeeperServerMain zkServer;
+
+    /**
+     * {@link ErrorHandler} to be invoked if an Exception is thrown from the 
ZooKeeper server thread.
+     */
+    private ErrorHandler errorHandler;
+
+    private boolean daemon = true;
+
+    /**
+     * Construct an EmbeddedZooKeeper with a random port.
+     */
+    public EmbeddedZooKeeper() {
+        clientPort = findRandomPort(30000, 65535);
+    }
+
+    /**
+     * Construct an EmbeddedZooKeeper with the provided port.
+     *
+     * @param clientPort port for ZooKeeper server to bind to
+     */
+    public EmbeddedZooKeeper(int clientPort, boolean daemon) {
+        this.clientPort = clientPort;
+        this.daemon = daemon;
+    }
+
+    /**
+     * Returns the port that clients should use to connect to this embedded 
server.
+     *
+     * @return dynamically determined client port
+     */
+    public int getClientPort() {
+        return this.clientPort;
+    }
+
+    /**
+     * Specify whether to start automatically. Default is true.
+     *
+     * @param autoStartup whether to start automatically
+     */
+    public void setAutoStartup(boolean autoStartup) {
+        this.autoStartup = autoStartup;
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    @Override
+    public boolean isAutoStartup() {
+        return this.autoStartup;
+    }
+
+    /**
+     * Specify the lifecycle phase for the embedded server.
+     *
+     * @param phase the lifecycle phase
+     */
+    public void setPhase(int phase) {
+        this.phase = phase;
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    @Override
+    public int getPhase() {
+        return this.phase;
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    @Override
+    public boolean isRunning() {
+        return (zkServerThread != null);
+    }
+
+    /**
+     * Start the ZooKeeper server in a background thread.
+     * <p>
+     * Register an error handler via {@link #setErrorHandler} in order to 
handle
+     * any exceptions thrown during startup or execution.
+     */
+    @Override
+    public synchronized void start() {
+        if (zkServerThread == null) {
+            zkServerThread = new Thread(new ServerRunnable(), "ZooKeeper 
Server Starter");
+            zkServerThread.setDaemon(daemon);
+            zkServerThread.start();
+        }
+    }
+
+    /**
+     * Shutdown the ZooKeeper server.
+     */
+    @Override
+    public synchronized void stop() {
+        if (zkServerThread != null) {
+            // The shutdown method is protected...thus this hack to invoke it.
+            // This will log an exception on shutdown; see
+            // https://issues.apache.org/jira/browse/ZOOKEEPER-1873 for 
details.
+            try {
+                Method shutdown = 
ZooKeeperServerMain.class.getDeclaredMethod("shutdown");
+                shutdown.setAccessible(true);
+                shutdown.invoke(zkServer);
+            } catch (Exception e) {
+                throw new RuntimeException(e);
+            }
+
+            // It is expected that the thread will exit after
+            // the server is shutdown; this will block until
+            // the shutdown is complete.
+            try {
+                zkServerThread.join(5000);
+                zkServerThread = null;
+            } catch (InterruptedException e) {
+                Thread.currentThread().interrupt();
+                logger.warn("Interrupted while waiting for embedded ZooKeeper 
to exit");
+                // abandoning zk thread
+                zkServerThread = null;
+            }
+        }
+    }
+
+    /**
+     * Stop the server if running and invoke the callback when complete.
+     */
+    @Override
+    public void stop(Runnable callback) {
+        stop();
+        callback.run();
+    }
+
+    /**
+     * Provide an {@link ErrorHandler} to be invoked if an Exception is thrown 
from the ZooKeeper server thread. If none
+     * is provided, only error-level logging will occur.
+     *
+     * @param errorHandler the {@link ErrorHandler} to be invoked
+     */
+    public void setErrorHandler(ErrorHandler errorHandler) {
+        this.errorHandler = errorHandler;
+    }
+
+    /**
+     * Runnable implementation that starts the ZooKeeper server.
+     */
+    private class ServerRunnable implements Runnable {
+
+        @Override
+        public void run() {
+            try {
+                Properties properties = new Properties();
+                File file = new File(System.getProperty("java.io.tmpdir")
+                        + File.separator + UUID.randomUUID());
+                file.deleteOnExit();
+                properties.setProperty("dataDir", file.getAbsolutePath());
+                properties.setProperty("clientPort", 
String.valueOf(clientPort));
+
+                QuorumPeerConfig quorumPeerConfig = new QuorumPeerConfig();
+                quorumPeerConfig.parseProperties(properties);
+
+                zkServer = new ZooKeeperServerMain();
+                ServerConfig configuration = new ServerConfig();
+                configuration.readFrom(quorumPeerConfig);
+                
+                System.setProperty("zookeeper.admin.enableServer", "false");
+
+                zkServer.runFromConfig(configuration);
+            } catch (Exception e) {
+                if (errorHandler != null) {
+                    errorHandler.handleError(e);
+                } else {
+                    logger.error("Exception running embedded ZooKeeper", e);
+                }
+            }
+        }
+    }
+
+    /**
+     * Workaround for SocketUtils.findRandomPort() deprecation.
+     *
+     * @param min min port
+     * @param max max port
+     * @return a random generated available port
+     */
+    private static int findRandomPort(int min, int max) {
+        if (min < 1024) {
+            throw new IllegalArgumentException("Max port shouldn't be less 
than 1024.");
+        }
+
+        if (max > 65535) {
+            throw new IllegalArgumentException("Max port shouldn't be greater 
than 65535.");
+        }
+
+        if (min > max) {
+            throw new IllegalArgumentException("Min port shouldn't be greater 
than max port.");
+        }
+
+        int port = 0;
+        int counter = 0;
+
+        // Workaround for legacy JDK doesn't support Random.nextInt(min, max).
+        List<Integer> randomInts = RANDOM.ints(min, max + 1)
+                .limit(max - min)
+                .mapToObj(Integer::valueOf)
+                .collect(Collectors.toList());
+
+        do {
+            if (counter > max - min) {
+                throw new IllegalStateException("Unable to find a port between 
" + min + "-" + max);
+            }
+
+            port = randomInts.get(counter);
+            counter++;
+        } while (isPortInUse(port));
+
+        return port;
+    }
+
+    private static boolean isPortInUse(int port) {
+        try (ServerSocket ignored = new ServerSocket(port)) {
+            return false;
+        } catch (IOException e) {
+            // continue
+        }
+        return true;
+    }
+}
diff --git a/tools/embedded-zookeeper/src/main/resources/log4j2.xml 
b/tools/embedded-zookeeper/src/main/resources/log4j2.xml
new file mode 100644
index 0000000..69e1321
--- /dev/null
+++ b/tools/embedded-zookeeper/src/main/resources/log4j2.xml
@@ -0,0 +1,29 @@
+<?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.
+  -->
+<Configuration status="WARN">
+    <Appenders>
+        <Console name="Console" target="SYSTEM_OUT" follow="true">
+            <PatternLayout pattern="%style{%d{HH:mm:ss.SSS}}{Magenta} 
%style{|-}{White}%highlight{%-5p} [%t] %style{%40.40c}{Cyan}:%style{%-3L}{Blue} 
%style{-|}{White} 
%m%n%rEx{filters(jdk.internal.reflect,java.lang.reflect,sun.reflect)}" 
disableAnsi="false" charset="UTF-8"/>
+        </Console>
+    </Appenders>
+    <Loggers>
+        <Root level="info">
+            <AppenderRef ref="Console"/>
+        </Root>
+    </Loggers>
+</Configuration>
diff --git a/tools/pom.xml b/tools/pom.xml
new file mode 100644
index 0000000..1347452
--- /dev/null
+++ b/tools/pom.xml
@@ -0,0 +1,37 @@
+<?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>
+
+    <parent>
+        <groupId>org.apache.dubbo</groupId>
+        <artifactId>dubbo-spi-samples</artifactId>
+        <version>1.0-SNAPSHOT</version>
+    </parent>
+    <groupId>org.apache.dubbo</groupId>
+    <artifactId>tools</artifactId>
+    <packaging>pom</packaging>
+    <version>1.0-SNAPSHOT</version>
+
+    <name>Tools</name>
+    <description>Dubbo Spi Samples Tools</description>
+
+    <modules>
+        <module>embedded-zookeeper</module>
+    </modules>
+</project>
\ No newline at end of file

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