Added additional Oracle views to metric collection (v, v).

client/controller/build.gradle

@@ -18,7 +18,7 @@ repositories {
 
 dependencies {
     testCompile group: 'junit', name: 'junit', version: '4.11'
-    runtime fileTree(dir: 'lib', include: '*.jar')
+    runtime fileTree(dir: 'libs', include: '*.jar')
     compile group: 'net.sourceforge.collections', name: 'collections-generic', version: '4.01'
     compile group: 'commons-lang', name: 'commons-lang', version: '2.6'
     compile group: 'log4j', name: 'log4j', version: '1.2.17'
@@ -51,8 +51,8 @@ dependencies {
     // https://mvnrepository.com/artifact/org.postgresql/postgresql
     compile group: 'org.postgresql', name: 'postgresql', version: '9.4-1201-jdbc41'
 
-    // This lib has to be manually downloaded from Oracle
-    dependencies {compile files('lib/ojdbc8.jar')}
+    // For Oracle, create the directory client/controller/libs and copy the driver
+    // (e.g., ojdbc8.jar) into it. The driver must be manually downloaded from Oracle.
 }
 
 run {

client/controller/gradle/wrapper/gradle-wrapper.properties

@@ -1,6 +0,0 @@
-#Thu Nov 30 15:45:05 EST 2017
-distributionBase=GRADLE_USER_HOME
-distributionPath=wrapper/dists
-zipStoreBase=GRADLE_USER_HOME
-zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-3.1-bin.zip

client/controller/src/main/java/com/controller/collectors/OracleCollector.java

@@ -13,6 +13,7 @@ import com.controller.util.json.JSONStringer;
 import java.sql.Connection;
 import java.sql.DriverManager;
 import java.sql.ResultSet;
+import java.sql.ResultSetMetaData;
 import java.sql.SQLException;
 import java.sql.Statement;
 import java.util.Map;
@@ -32,6 +33,10 @@ public class OracleCollector extends DBCollector {
 
   private static final String METRICS_SQL = "select name, value from v$sysstat";
 
+  private static final String METRICS_SQL2 = "select stat_name, value from v$sys_time_model";
+
+  private static final String METRICS_SQL3 = "select * from v$system_event";
+
   public OracleCollector(String oriDBUrl, String username, String password) {
     try {
       Connection conn = DriverManager.getConnection(oriDBUrl, username, password);
@@ -43,7 +48,7 @@ public class OracleCollector extends DBCollector {
       }
 
       // Collect DBMS parameters
-      out = statement.executeQuery(PARAMETERS_SQL_WITH_HIDDEN);
+      out = statement.executeQuery(PARAMETERS_SQL);
       while (out.next()) {
         dbParameters.put(out.getString(1).toLowerCase(), out.getString(2));
       }
@@ -53,6 +58,28 @@ public class OracleCollector extends DBCollector {
       while (out.next()) {
         dbMetrics.put(out.getString(1).toLowerCase(), out.getString(2));
       }
+
+      out = statement.executeQuery(METRICS_SQL2);
+      while (out.next()) {
+        dbMetrics.put(out.getString(1).toLowerCase(), out.getString(2));
+      }
+
+      out = statement.executeQuery(METRICS_SQL3);
+      ResultSetMetaData meta = out.getMetaData();
+      int columnCount = meta.getColumnCount();
+      String[] columnNames = new String[columnCount];
+      for (int i = 0; i < columnCount; ++i) {
+        columnNames[i] = meta.getColumnName(i + 1).toLowerCase();
+      }
+      while (out.next()) {
+        String eventName = out.getString(1).toLowerCase();
+        for (int i = 2; i <= columnCount; ++i) {
+          String name = eventName + "." + columnNames[i - 1];
+          Object value = out.getObject(i);
+          dbMetrics.put(name, String.valueOf(value));
+        }
+      }
+
       conn.close();
     } catch (SQLException e) {
       LOG.error("Error while collecting DB parameters: " + e.getMessage());