#1172, for proxy

sharding-proxy/pom.xml

@@ -27,7 +27,11 @@
             <artifactId>sharding-transaction</artifactId>
             <version>${project.version}</version>
         </dependency>
-
+        <dependency>
+            <groupId>io.shardingsphere</groupId>
+            <artifactId>sharding-opentracing</artifactId>
+            <version>${project.version}</version>
+        </dependency>
         <dependency>
             <groupId>com.google.guava</groupId>
             <artifactId>guava</artifactId>
@@ -45,7 +49,6 @@
             <groupId>org.slf4j</groupId>
             <artifactId>slf4j-api</artifactId>
         </dependency>
-
         <dependency>
             <groupId>ch.qos.logback</groupId>
             <artifactId>logback-classic</artifactId>
@@ -60,7 +63,6 @@
             <groupId>org.projectlombok</groupId>
             <artifactId>lombok</artifactId>
         </dependency>
-
         <dependency>
             <groupId>junit</groupId>
             <artifactId>junit</artifactId>
@@ -77,6 +79,16 @@
             <groupId>commons-codec</groupId>
             <artifactId>commons-codec</artifactId>
         </dependency>
+        <dependency>
+            <groupId>org.apache.skywalking</groupId>
+            <artifactId>apm-toolkit-opentracing</artifactId>
+            <version>5.0.0-RC2</version>
+        </dependency>
+        <dependency>
+            <groupId>org.apache.skywalking</groupId>
+            <artifactId>apm-collector-core</artifactId>
+            <version>5.0.0-RC2</version>
+        </dependency>
     </dependencies>
 
     <build>

sharding-proxy/src/main/java/io/shardingsphere/proxy/Bootstrap.java

@@ -21,6 +21,7 @@
 import io.shardingsphere.core.yaml.YamlRuleConfiguration;
 import io.shardingsphere.core.yaml.other.YamlServerConfiguration;
 import io.shardingsphere.jdbc.orchestration.internal.OrchestrationFacade;
+import io.shardingsphere.opentracing.ShardingTracer;
 import io.shardingsphere.proxy.config.ProxyContext;
 import io.shardingsphere.proxy.config.yaml.ProxyConfiguration;
 import io.shardingsphere.proxy.config.yaml.ProxyYamlConfigurationLoader;
@@ -30,6 +31,7 @@
 import io.shardingsphere.proxy.listener.ProxyListenerRegister;
 import lombok.AccessLevel;
 import lombok.NoArgsConstructor;
+import org.apache.skywalking.apm.toolkit.opentracing.SkywalkingTracer;
 
 import java.io.IOException;
 import java.util.HashMap;
@@ -56,6 +58,7 @@ public final class Bootstrap {
      * @throws IOException IO exception
      */
     public static void main(final String[] args) throws InterruptedException, IOException {
+        ShardingTracer.init(new SkywalkingTracer());
         ProxyConfiguration proxyConfig = new ProxyYamlConfigurationLoader().load();
         int port = getPort(args);
         new ProxyListenerRegister().register();

sharding-proxy/src/main/java/io/shardingsphere/proxy/backend/jdbc/connection/BackendConnection.java

@@ -17,6 +17,15 @@
 
 package io.shardingsphere.proxy.backend.jdbc.connection;
 
+import io.shardingsphere.core.constant.DatabaseType;
+import io.shardingsphere.core.event.ShardingEventBusInstance;
+import io.shardingsphere.core.event.connection.CloseConnectionEvent;
+import io.shardingsphere.core.event.connection.CloseConnectionFinishEvent;
+import io.shardingsphere.core.event.connection.CloseConnectionStartEvent;
+import io.shardingsphere.core.event.connection.GetConnectionEvent;
+import io.shardingsphere.core.event.connection.GetConnectionFinishEvent;
+import io.shardingsphere.core.event.connection.GetConnectionStartEvent;
+import io.shardingsphere.core.metadata.datasource.DataSourceMetaDataFactory;
 import io.shardingsphere.core.routing.router.masterslave.MasterVisitedManager;
 import io.shardingsphere.proxy.config.RuleRegistry;
 import lombok.Getter;
@@ -56,9 +65,22 @@ public final class BackendConnection implements AutoCloseable {
      * @throws SQLException SQL exception
      */
     public Connection getConnection(final String dataSourceName) throws SQLException {
-        Connection result = ruleRegistry.getBackendDataSource().getConnection(dataSourceName);
-        cachedConnections.add(result);
-        return result;
+        try {
+            ShardingEventBusInstance.getInstance().post(new GetConnectionStartEvent(dataSourceName));
+            Connection result = ruleRegistry.getBackendDataSource().getConnection(dataSourceName);
+            cachedConnections.add(result);
+            GetConnectionEvent finishEvent = new GetConnectionFinishEvent(DataSourceMetaDataFactory.newInstance(DatabaseType.MySQL, result.getMetaData().getURL()));
+            finishEvent.setExecuteSuccess();
+            ShardingEventBusInstance.getInstance().post(finishEvent);
+            return result;
+            // CHECKSTYLE:OFF
+        } catch (final Exception ex) {
+            // CHECKSTYLE:ON
+            GetConnectionEvent finishEvent = new GetConnectionFinishEvent(null);
+            finishEvent.setExecuteFailure(ex);
+            ShardingEventBusInstance.getInstance().post(finishEvent);
+            throw ex;
+        }
     }
 
     /**
@@ -127,11 +149,17 @@ private Collection<SQLException> closeStatements() {
 
     private Collection<SQLException> closeConnections() {
         Collection<SQLException> result = new LinkedList<>();
+        CloseConnectionEvent finishEvent = new CloseConnectionFinishEvent();
         for (Connection each : cachedConnections) {
             try {
+                ShardingEventBusInstance.getInstance().post(new CloseConnectionStartEvent(each.getCatalog(), DataSourceMetaDataFactory.newInstance(DatabaseType.MySQL, each.getMetaData().getURL())));
                 each.close();
+                finishEvent.setExecuteSuccess();
+                ShardingEventBusInstance.getInstance().post(finishEvent);
             } catch (SQLException ex) {
+                finishEvent.setExecuteFailure(ex);
                 result.add(ex);
+                ShardingEventBusInstance.getInstance().post(finishEvent);
             }
         }
         return result;

sharding-proxy/src/main/java/io/shardingsphere/proxy/frontend/mysql/MySQLFrontendHandler.java

@@ -22,6 +22,8 @@
 import io.netty.buffer.ByteBuf;
 import io.netty.channel.ChannelHandlerContext;
 import io.netty.channel.EventLoopGroup;
+import io.shardingsphere.core.event.ShardingEventBusInstance;
+import io.shardingsphere.core.event.root.RootInvokeEvent;
 import io.shardingsphere.proxy.backend.jdbc.connection.BackendConnection;
 import io.shardingsphere.proxy.config.ProxyContext;
 import io.shardingsphere.proxy.frontend.common.FrontendHandler;
@@ -112,6 +114,7 @@ class CommandExecutor implements Runnable {
 
         @Override
         public void run() {
+            ShardingEventBusInstance.getInstance().post(new RootInvokeEvent());
             try (MySQLPacketPayload payload = new MySQLPacketPayload(message);
                  BackendConnection backendConnection = new BackendConnection(ProxyContext.getInstance().getRuleRegistry(frontendHandler.getCurrentSchema()))) {
                 setBackendConnection(backendConnection);
@@ -133,6 +136,9 @@ public void run() {
                 // CHECKSTYLE:ON
                 context.writeAndFlush(new ErrPacket(1, ServerErrorCode.ER_STD_UNKNOWN_EXCEPTION, ex.getMessage()));
             }
+            RootInvokeEvent finishEvent = new RootInvokeEvent();
+            finishEvent.setExecuteSuccess();
+            ShardingEventBusInstance.getInstance().post(finishEvent);
         }
 
         private CommandPacket getCommandPacket(final MySQLPacketPayload payload, final BackendConnection backendConnection, final FrontendHandler frontendHandler) throws SQLException {