├── README.md
├── pom.xml
└── src
    └── main
        └── java
            └── jdbcsample
                └── JDBCSample.java


/README.md:
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1 | Sample project to test JDBC connectivity from an AWS Lambda function
2 | 


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/pom.xml:
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 1 | <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
 2 |          xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
 3 |   <modelVersion>4.0.0</modelVersion>
 4 | 
 5 |   <groupId>lambda-jdbc-sample</groupId>
 6 |   <artifactId>lambda-jdbc-sample</artifactId>
 7 |   <version>1.0-SNAPSHOT</version>
 8 |   <packaging>jar</packaging>
 9 | 
10 |   <name>lambda-jdbc-sample</name>
11 |   <url>https://github.com/vinayselvaraj/lambda-jdbc-sample</url>
12 | 
13 |   <properties>
14 |     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
15 |   </properties>
16 |   
17 |   <build>
18 |     <plugins>
19 |       <plugin>
20 |         <groupId>org.apache.maven.plugins</groupId>
21 |         <artifactId>maven-shade-plugin</artifactId>
22 |         <version>2.3</version>
23 |         <configuration>
24 |           <createDependencyReducedPom>false</createDependencyReducedPom>
25 |         </configuration>
26 |         <executions>
27 |           <execution>
28 |             <phase>package</phase>
29 |             <goals>
30 |               <goal>shade</goal>
31 |             </goals>
32 |           </execution>
33 |         </executions>
34 |       </plugin>
35 |     </plugins>
36 |   </build>
37 | 
38 |   <dependencies>
39 |     <dependency>
40 |       <groupId>com.amazonaws</groupId>
41 |       <artifactId>aws-lambda-java-core</artifactId>
42 |       <version>1.0.0</version>
43 |     </dependency>
44 |     <dependency>
45 |       <groupId>mysql</groupId>
46 |       <artifactId>mysql-connector-java</artifactId>
47 |       <version>5.1.35</version>
48 |     </dependency>
49 |   </dependencies>
50 | </project>
51 | 


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/src/main/java/jdbcsample/JDBCSample.java:
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 1 | package jdbcsample;
 2 | 
 3 | import com.amazonaws.services.lambda.runtime.Context;
 4 | import com.amazonaws.services.lambda.runtime.LambdaLogger;
 5 | import java.sql.Connection;
 6 | import java.sql.DriverManager;
 7 | import java.sql.ResultSet;
 8 | import java.sql.Statement;
 9 | 
10 | public class JDBCSample {
11 | 
12 |   public String getCurrentTime(Context context) {
13 |     LambdaLogger logger = context.getLogger();
14 |     logger.log("Invoked JDBCSample.getCurrentTime");
15 | 
16 |     String currentTime = "unavailable";
17 | 
18 |     // Get time from DB server
19 |     try {
20 |       String url = "jdbc:mysql://HOSTNAME:3306";
21 |       String username = "USERNAME";
22 |       String password = "PASSWORD";
23 | 
24 |       Connection conn = DriverManager.getConnection(url, username, password);
25 |       Statement stmt = conn.createStatement();
26 |       ResultSet resultSet = stmt.executeQuery("SELECT NOW()");
27 | 
28 |       if (resultSet.next()) {
29 |         currentTime = resultSet.getObject(1).toString();
30 |       }
31 | 
32 |       logger.log("Successfully executed query.  Result: " + currentTime);
33 | 
34 |     } catch (Exception e) {
35 |       e.printStackTrace();
36 |       logger.log("Caught exception: " + e.getMessage());
37 |     }
38 | 
39 |     return currentTime;
40 |   }
41 | }
42 | 


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