SparkLauncher提交spark任务到spark3.x集群,指定jar包路径在minio上java怎么实现
时间: 2024-06-11 19:04:56 浏览: 168
可以使用Java的Minio SDK来实现将Jar包上传到Minio上,然后使用SparkLauncher提交任务时指定Jar包的Minio路径。
以下是一个示例代码:
```java
import io.minio.MinioClient;
import io.minio.errors.MinioException;
import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
public class MinioUploader {
private static final String MINIO_ENDPOINT = "http://minio.example.com";
private static final String MINIO_ACCESS_KEY = "accessKey";
private static final String MINIO_SECRET_KEY = "secretKey";
private static final String MINIO_BUCKET_NAME = "spark-jars";
public static void uploadJar(String localPath, String remotePath) throws IOException, MinioException {
// Create a MinioClient object
MinioClient minioClient = new MinioClient(MINIO_ENDPOINT, MINIO_ACCESS_KEY, MINIO_SECRET_KEY);
// Create the bucket if it doesn't exist
if (!minioClient.bucketExists(MINIO_BUCKET_NAME)) {
minioClient.makeBucket(MINIO_BUCKET_NAME);
}
// Read the jar file into a byte array
Path path = Paths.get(localPath);
byte[] data = Files.readAllBytes(path);
// Upload the jar file to Minio
minioClient.putObject(MINIO_BUCKET_NAME, remotePath, data, "application/java-archive");
}
}
```
然后在SparkLauncher提交任务时,指定Jar包的Minio路径,例如:
```java
import org.apache.spark.launcher.SparkLauncher;
public class SparkJobLauncher {
private static final String APP_NAME = "MySparkApp";
private static final String MASTER = "spark://spark-master.example.com:7077";
private static final String MAIN_CLASS = "com.example.MySparkJob";
private static final String MINIO_ENDPOINT = "http://minio.example.com";
private static final String MINIO_ACCESS_KEY = "accessKey";
private static final String MINIO_SECRET_KEY = "secretKey";
private static final String MINIO_BUCKET_NAME = "spark-jars";
private static final String JAR_REMOTE_PATH = "my-spark-job.jar";
public static void main(String[] args) throws Exception {
// Upload the jar to Minio
MinioUploader.uploadJar("my-spark-job.jar", JAR_REMOTE_PATH);
// Create a SparkLauncher object
SparkLauncher launcher = new SparkLauncher()
.setAppName(APP_NAME)
.setMaster(MASTER)
.setMainClass(MAIN_CLASS)
.setAppResource(MINIO_ENDPOINT + "/" + MINIO_BUCKET_NAME + "/" + JAR_REMOTE_PATH)
.addAppArgs("arg1", "arg2");
// Submit the job
Process process = launcher.launch();
process.waitFor();
}
}
```
在上面的代码中,`setAppResource`方法指定了Jar包的Minio路径,`addAppArgs`方法指定了任务的参数。可以根据实际情况进行调整。
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