Add version infomation in query

.gitignore

@@ -18,3 +18,7 @@ OALLexer.tokens
 .checkstyle
 .externalToolBuilders
 oap-server/oal-grammar/**/gen/
+
+# This serves as a template but will ONLY be updated when building a source release tar,
+# so we don't track future updates of this file.
+oap-server/server-starter/src/main/resources/version.properties

.licenserc.yaml

@@ -61,5 +61,6 @@ header:
     - '**/src/main/proto/protoc-gen-swagger/**'
     - '**/src/main/proto/validate/validate.proto'
     - '**/src/main/proto/opencensus/**'
+    - 'oap-server/server-starter/src/main/resources/version.properties'
 
   comment: on-failure

apm-dist/src/main/assembly/binary.xml

@@ -69,6 +69,7 @@
                 <include>ui-initialized-templates/*</include>
                 <include>lal/*</include>
                 <include>log-mal-rules/*</include>
+                <include>version.properties</include>
             </includes>
             <outputDirectory>config</outputDirectory>
         </fileSet>

oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/Version.java

@@ -0,0 +1,57 @@
+/*
+ * 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.skywalking.oap.server.core;
+
+import java.io.IOException;
+import java.util.Properties;
+import lombok.Getter;
+import org.apache.logging.log4j.util.Strings;
+
+@Getter
+public enum Version {
+    CURRENT;
+
+    private final String buildVersion;
+    private final String buildTime;
+    private final String commitId;
+
+    private final Properties properties = new Properties();
+
+    Version() {
+        try {
+            properties.load(Version.class.getClassLoader()
+                                         .getResourceAsStream("version.properties"));
+            buildVersion = properties.getProperty("git.build.version");
+            buildTime = properties.getProperty("git.build.time");
+            commitId = properties.getProperty("git.commit.id");
+        } catch (IOException e) {
+            throw new ExceptionInInitializerError(e);
+        }
+    }
+
+    @Override
+    public String toString() {
+        return String.format(
+            "%s-%s (%s)",
+            buildVersion,
+            Strings.left(commitId, 7),
+            buildTime
+        );
+    }
+}

oap-server/server-query-plugin/query-graphql-plugin/src/main/java/org/apache/skywalking/oap/query/graphql/resolver/Query.java

@@ -19,10 +19,12 @@
 package org.apache.skywalking.oap.query.graphql.resolver;
 
 import com.coxautodev.graphql.tools.GraphQLQueryResolver;
+import org.apache.skywalking.oap.server.core.Version;
 
 /**
  * Root Query Resolver.
  */
 public class Query implements GraphQLQueryResolver {
-    private String version = "8.0";
+    @SuppressWarnings("unused") // Used in GraphQL query
+    private final String version = Version.CURRENT.toString();
 }

oap-server/server-starter/pom.xml

@@ -17,7 +17,8 @@
   ~
   -->
 
-<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">
+<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">
     <parent>
         <artifactId>oap-server</artifactId>
         <groupId>org.apache.skywalking</groupId>
@@ -27,6 +28,10 @@
 
     <artifactId>server-starter</artifactId>
 
+    <properties>
+        <generateGitPropertiesFilename>${project.build.outputDirectory}/version.properties</generateGitPropertiesFilename>
+    </properties>
+
     <dependencies>
         <dependency>
             <groupId>org.apache.skywalking</groupId>
@@ -260,6 +265,22 @@
 
     <build>
         <finalName>skywalking-oap</finalName>
+        <resources>
+            <resource>
+                <directory>src/main/resources</directory>
+                <filtering>true</filtering>
+                <includes>
+                    <include>version.properties</include>
+                </includes>
+            </resource>
+            <resource>
+                <directory>src/main/resources</directory>
+                <filtering>false</filtering>
+                <excludes>
+                    <exclude>version.properties</exclude>
+                </excludes>
+            </resource>
+        </resources>
         <plugins>
             <plugin>
                 <artifactId>maven-compiler-plugin</artifactId>
@@ -299,6 +320,7 @@
                         <exclude>zabbix-rules/</exclude>
                         <exclude>lal/</exclude>
                         <exclude>log-mal-rules/</exclude>
+                        <exclude>version.properties</exclude>
                     </excludes>
                 </configuration>
             </plugin>
@@ -320,6 +342,33 @@
                     </execution>
                 </executions>
             </plugin>
+            <plugin>
+                <groupId>pl.project13.maven</groupId>
+                <artifactId>git-commit-id-plugin</artifactId>
+                <version>4.9.10</version>
+                <executions>
+                    <execution>
+                        <id>get-the-git-information</id>
+                        <goals>
+                            <goal>revision</goal>
+                        </goals>
+                        <phase>initialize</phase>
+                    </execution>
+                </executions>
+                <configuration>
+                    <verbose>false</verbose>
+                    <generateGitPropertiesFile>true</generateGitPropertiesFile>
+                    <generateGitPropertiesFilename>${generateGitPropertiesFilename}</generateGitPropertiesFilename>
+                    <dateFormatTimeZone>UTC</dateFormatTimeZone>
+                    <dateFormat>yyyyMMddHHmmss</dateFormat>
+                    <failOnNoGitDirectory>false</failOnNoGitDirectory>
+                    <includeOnlyProperties>
+                        <includeOnlyProperty>^git.build.version$</includeOnlyProperty>
+                        <includeOnlyProperty>^git.commit.id$</includeOnlyProperty>
+                        <includeOnlyProperty>^git.build.time$</includeOnlyProperty>
+                    </includeOnlyProperties>
+                </configuration>
+            </plugin>
         </plugins>
     </build>
 </project>

oap-server/server-starter/src/main/java/org/apache/skywalking/oap/server/starter/OAPServerBootstrap.java

@@ -20,6 +20,7 @@
 
 import lombok.extern.slf4j.Slf4j;
 import org.apache.skywalking.oap.server.core.RunningMode;
+import org.apache.skywalking.oap.server.core.Version;
 import org.apache.skywalking.oap.server.library.module.ApplicationConfiguration;
 import org.apache.skywalking.oap.server.library.module.ModuleManager;
 import org.apache.skywalking.oap.server.starter.config.ApplicationConfigLoader;
@@ -49,6 +50,8 @@ public static void start() {
                    // Set uptime to second
                    .setValue(System.currentTimeMillis() / 1000d);
 
+            log.info("Version of OAP: {}", Version.CURRENT);
+
             if (RunningMode.isInitMode()) {
                 log.info("OAP starts up in init mode successfully, exit now...");
                 System.exit(0);

tools/releasing/create_source_release.sh

@@ -43,7 +43,8 @@ PRODUCT_NAME=${PRODUCT_NAME}-${RELEASE_VERSION}
 rm -rf ${PRODUCT_NAME}
 mkdir ${PRODUCT_NAME}
 
-git clone https://github.com/apache/skywalking.git ./${PRODUCT_NAME}
+# TODO
+git clone https://github.com/kezhenxu94/skywalking.git ./${PRODUCT_NAME}
 cd ${PRODUCT_NAME}
 
 TAG_EXIST=`git tag -l ${TAG_NAME} | wc -l`
@@ -58,6 +59,9 @@ git checkout ${TAG_NAME}
 git submodule init
 git submodule update
 
+./mvnw -q -pl oap-server/server-starter initialize \
+       -DgenerateGitPropertiesFilename="$(pwd)/oap-server/server-starter/src/main/resources/version.properties"
+
 cd ..
 
 tar czf ${PRODUCT_NAME}-src.tgz \