[KYUUBI #1000] Use underscore instead hyphen in path

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Use underscore instead hyphen in path, friendly to sql.

- [X] Add some test cases that check the changes thoroughly including negative and positive cases if possible

- [ ] Add screenshots for manual tests if appropriate

- [ ] [Run test](https://kyuubi.readthedocs.io/en/latest/develop_tools/testing.html#running-tests) locally before make a pull request

Closes #1000 from hddong/fix-underscore.

Closes #1000

8b3459a5 [hongdongdong] Use underscore instead hyphen in path

Authored-by: hongdongdong <hongdongdong@cmss.chinamobile.com>
Signed-off-by: ulysses-you <ulyssesyou18@gmail.com>
(cherry picked from commit 94d60ea505)
Signed-off-by: ulysses-you <ulyssesyou18@gmail.com>

kyuubi-common/src/main/scala/org/apache/kyuubi/events/KyuubiEvent.scala

@@ -0,0 +1,32 @@
+/*
+ * 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.kyuubi.events
+
+import java.util.Locale
+
+trait KyuubiEvent extends Product {
+  final lazy val eventType: String = {
+    this.getClass.getSimpleName.stripSuffix("Event")
+      .replaceAll("(.)([A-Z])", "$1_$2")
+      .toLowerCase(Locale.ROOT)
+  }
+
+  def partitions: Seq[(String, String)]
+
+  final def toJson: String = JsonProtocol.productToJson(this)
+}

kyuubi-server/src/test/scala/org/apache/kyuubi/events/EventLoggingServiceSuite.scala

@@ -0,0 +1,108 @@
+/*
+ * 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.kyuubi.events
+
+import java.net.InetAddress
+import java.nio.file.Paths
+
+import org.apache.kyuubi.{Utils, WithKyuubiServer}
+import org.apache.kyuubi.config.KyuubiConf
+import org.apache.kyuubi.operation.JDBCTestUtils
+import org.apache.kyuubi.operation.OperationState._
+
+class EventLoggingServiceSuite extends WithKyuubiServer with JDBCTestUtils {
+
+  private val logRoot = Utils.createTempDir()
+  private val currentDate = Utils.getDateFromTimestamp(System.currentTimeMillis())
+
+  override protected val conf: KyuubiConf = {
+    KyuubiConf()
+      .set(KyuubiConf.SERVER_EVENT_LOGGERS, Seq("JSON"))
+      .set(KyuubiConf.SERVER_EVENT_JSON_LOG_PATH, logRoot.toString)
+      .set(KyuubiConf.ENGINE_EVENT_LOGGERS, Seq("JSON"))
+      .set(KyuubiConf.ENGINE_EVENT_JSON_LOG_PATH, logRoot.toString)
+  }
+
+  override protected def jdbcUrl: String = getJdbcUrl
+
+  test("statementEvent: generate, dump and query") {
+    val hostName = InetAddress.getLocalHost.getCanonicalHostName
+    val serverStatementEventPath =
+      Paths.get(logRoot.toString, "kyuubi_statement", s"day=$currentDate", s"server-$hostName.json")
+    val engineStatementEventPath =
+      Paths.get(logRoot.toString, "spark_statement", s"day=$currentDate", "*.json")
+    val sql = "select timestamp'2021-06-01'"
+
+    withJdbcStatement() { statement =>
+      statement.execute(sql)
+
+      // check server statement events
+      val serverTable = serverStatementEventPath.getParent
+      val resultSet = statement.executeQuery(s"SELECT * FROM `json`.`${serverTable}`" +
+        "where statement = \"" + sql + "\"")
+      val states = Array(INITIALIZED, PENDING, RUNNING, FINISHED, CLOSED)
+      var stateIndex = 0
+      while (resultSet.next()) {
+        assert(resultSet.getString("user") == Utils.currentUser)
+        assert(resultSet.getString("statement") == sql)
+        assert(resultSet.getString("state") == states(stateIndex).toString)
+        stateIndex += 1
+      }
+
+      // check engine statement events
+      val engineTable = engineStatementEventPath.getParent
+      val resultSet2 = statement.executeQuery(s"SELECT * FROM `json`.`${engineTable}`" +
+        "where statement = \"" + sql + "\"")
+      val engineStates = Array(INITIALIZED, PENDING, RUNNING, COMPILED, FINISHED)
+      stateIndex = 0
+      while (resultSet2.next()) {
+        assert(resultSet2.getString("Event") ==
+          "org.apache.kyuubi.engine.spark.events.SparkStatementEvent")
+        assert(resultSet2.getString("statement") == sql)
+        assert(resultSet2.getString("state") == engineStates(stateIndex).toString)
+        stateIndex += 1
+      }
+    }
+  }
+
+  test("test Kyuubi session event") {
+    withSessionConf()(Map.empty)(Map(KyuubiConf.SESSION_NAME.key -> "test1")) {
+      withJdbcStatement() { statement =>
+        statement.execute("SELECT 1")
+      }
+    }
+
+    val eventPath =
+      Paths.get(logRoot.toString, "kyuubi-session", s"day=$currentDate")
+    withSessionConf()(Map.empty)(Map("spark.sql.shuffle.partitions" -> "2")) {
+      withJdbcStatement() { statement =>
+        val res = statement.executeQuery(
+          s"SELECT * FROM `json`.`$eventPath` where sessionName = 'test1' order by totalOperations")
+        assert(res.next())
+        assert(res.getString("user") == Utils.currentUser)
+        assert(res.getString("sessionName") == "test1")
+        assert(res.getLong("startTime") > 0)
+        assert(res.getInt("totalOperations") == 0)
+        assert(res.next())
+        assert(res.getInt("totalOperations") == 1)
+        assert(res.getLong("endTime") > 0)
+        assert(!res.next())
+      }
+    }
+  }
+}