use SPI to read version,so can read version from cse or spring cloud …

…too.

pom.xml

@@ -253,6 +253,18 @@
           <excludeFilterFile>findbugs-exclude.xml</excludeFilterFile>
         </configuration>
       </plugin>
+      <plugin>
+        <groupId>org.apache.maven.plugins</groupId>
+        <artifactId>maven-jar-plugin</artifactId>
+        <configuration>
+          <archive>
+            <manifest>
+              <addDefaultImplementationEntries>true</addDefaultImplementationEntries>
+              <addDefaultSpecificationEntries>true</addDefaultSpecificationEntries>
+            </manifest>
+          </archive>
+        </configuration>
+      </plugin>
     </plugins>
     <pluginManagement>
       <plugins>
@@ -266,18 +278,6 @@
             </jacocoReports>
           </configuration>
         </plugin>
-        <plugin>
-          <groupId>org.apache.maven.plugins</groupId>
-          <artifactId>maven-jar-plugin</artifactId>
-          <configuration>
-            <archive>
-              <manifest>
-                <addDefaultImplementationEntries>true</addDefaultImplementationEntries>
-                <addDefaultSpecificationEntries>true</addDefaultSpecificationEntries>
-              </manifest>
-            </archive>
-          </configuration>
-        </plugin>
       </plugins>
     </pluginManagement>
   </build>

service-registry/src/main/java/org/apache/servicecomb/serviceregistry/api/Versions.java

@@ -0,0 +1,23 @@
+/*
+ * 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.servicecomb.serviceregistry.api;
+
+import java.util.Map;
+
+public interface Versions {
+  public Map<String, String> loadVersion();
+}

service-registry/src/main/java/org/apache/servicecomb/serviceregistry/api/registry/FrameworkVersions.java

@@ -0,0 +1,43 @@
+/*
+ * 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.servicecomb.serviceregistry.api.registry;
+
+import java.util.HashMap;
+import java.util.Iterator;
+import java.util.Map;
+import java.util.Map.Entry;
+import java.util.ServiceLoader;
+
+import org.apache.servicecomb.serviceregistry.api.Versions;
+
+public class FrameworkVersions {
+  private static final ServiceLoader<Versions> frameworkVersions = ServiceLoader.load(Versions.class);
+
+  public static String allVersions() {
+    Map<String, String> versions = new HashMap<>();
+    Entry<String, String> entry;
+    StringBuffer sb = new StringBuffer();
+
+    frameworkVersions.forEach(version -> versions.putAll(version.loadVersion()));
+    for (Iterator<Entry<String, String>> iterator = versions.entrySet().iterator(); iterator.hasNext();) {
+      entry = (Entry<String, String>) iterator.next();
+      sb.append(entry.getKey()).append(":").append(entry.getValue())
+        .append(iterator.hasNext() ? ";" : "");
+    }
+    return sb.toString();
+  }
+}

service-registry/src/main/java/org/apache/servicecomb/serviceregistry/api/registry/MicroserviceFactory.java

@@ -70,7 +70,7 @@ private Microservice createMicroserviceFromDefinition(Configuration configuratio
     // use default values, we can add configure item in future.
     Framework framework = new Framework();
     framework.setName(CONFIG_FRAMEWORK_DEFAULT_NAME);
-    framework.setVersion("ServiceComb:" + MicroserviceFactory.class.getPackage().getImplementationVersion());
+    framework.setVersion(FrameworkVersions.allVersions());
     microservice.setFramework(framework);
     microservice.setRegisterBy(CONFIG_DEFAULT_REGISTER_BY);
 

service-registry/src/main/java/org/apache/servicecomb/serviceregistry/api/registry/ServiceCombVersion.java

@@ -0,0 +1,33 @@
+/*
+ * 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.servicecomb.serviceregistry.api.registry;
+
+import java.util.HashMap;
+import java.util.Map;
+
+import org.apache.servicecomb.serviceregistry.api.Versions;
+
+public class ServiceCombVersion implements Versions {
+
+  @Override
+  public Map<String, String> loadVersion() {
+    Map<String, String> map = new HashMap<>();
+    map.put("ServiceComb", this.getClass().getPackage().getImplementationVersion());
+
+    return map;
+  }
+}

service-registry/src/main/resources/META-INF/services/org.apache.servicecomb.serviceregistry.api.Versions

@@ -0,0 +1,18 @@
+#
+# 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.
+#
+
+org.apache.servicecomb.serviceregistry.api.registry.ServiceCombVersion

service-registry/src/test/java/org/apache/servicecomb/serviceregistry/api/registry/TestFrameworkVersions.java

@@ -0,0 +1,29 @@
+/*
+ * 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.servicecomb.serviceregistry.api.registry;
+
+import org.junit.Assert;
+import org.junit.Test;
+
+public class TestFrameworkVersions {
+
+  @Test
+  public void testFrameworkVersions() {
+    Assert.assertEquals("ServiceComb:null", FrameworkVersions.allVersions());
+  }
+}

service-registry/src/test/java/org/apache/servicecomb/serviceregistry/api/registry/TestServiceCombVersion.java

@@ -0,0 +1,30 @@
+/*
+ * 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.servicecomb.serviceregistry.api.registry;
+
+import org.junit.Assert;
+import org.junit.Test;
+
+public class TestServiceCombVersion {
+
+  @Test
+  public void testServiceCombVersion() {
+    ServiceCombVersion version = new ServiceCombVersion();
+    Assert.assertEquals("{ServiceComb=null}", version.loadVersion().toString());
+  }
+}