要使用Spring应用检查亚马逊S3存储桶的总大小和剩余大小,可以按照以下步骤进行:
aws.accessKey=your-access-key
aws.secretKey=your-secret-key
请确保将"your-access-key"和"your-secret-key"替换为真实的凭证。
import com.amazonaws.auth.BasicAWSCredentials;
import com.amazonaws.services.s3.AmazonS3;
import com.amazonaws.services.s3.AmazonS3ClientBuilder;
@Configuration
public class S3Config {
@Value("${aws.accessKey}")
private String accessKey;
@Value("${aws.secretKey}")
private String secretKey;
@Bean
public AmazonS3 amazonS3Client() {
BasicAWSCredentials credentials = new BasicAWSCredentials(accessKey, secretKey);
return AmazonS3ClientBuilder.standard()
.withCredentials(new AWSStaticCredentialsProvider(credentials))
.build();
}
}
请确保将上述代码中的"aws.accessKey"和"aws.secretKey"对应替换为真实的配置属性。
import com.amazonaws.services.s3.AmazonS3;
import com.amazonaws.services.s3.model.Bucket;
@Service
public class S3Service {
private final AmazonS3 amazonS3;
public S3Service(AmazonS3 amazonS3) {
this.amazonS3 = amazonS3;
}
public long getTotalBucketSize(String bucketName) {
List<S3ObjectSummary> objects = amazonS3.listObjects(bucketName).getObjectSummaries();
long totalSize = 0;
for (S3ObjectSummary object : objects) {
totalSize += object.getSize();
}
return totalSize;
}
public long getRemainingBucketSize(String bucketName) {
Bucket bucket = amazonS3.listBuckets()
.stream()
.filter(b -> b.getName().equals(bucketName))
.findFirst()
.orElse(null);
if (bucket != null) {
long totalSize = getTotalBucketSize(bucketName);
long usedSize = bucket.getSize();
return totalSize - usedSize;
}
return 0;
}
}
以上示例代码中的getTotalBucketSize方法用于获取存储桶的总大小,getRemainingBucketSize方法用于获取存储桶的剩余大小。
@RestController
public class S3Controller {
private final S3Service s3Service;
public S3Controller(S3Service s3Service) {
this.s3Service = s3Service;
}
@GetMapping("/bucket/size")
public ResponseEntity<Map<String, Long>> getBucketSize() {
String bucketName = "your-bucket-name";
long totalSize = s3Service.getTotalBucketSize(bucketName);
long remainingSize = s3Service.getRemainingBucketSize(bucketName);
Map<String, Long> sizeMap = new HashMap<>();
sizeMap.put("totalSize", totalSize);
sizeMap.put("remainingSize", remainingSize);
return ResponseEntity.ok(sizeMap);
}
}
请将上述代码中的"your-bucket-name"替换为真实的存储桶名称。
这样,当访问/bucket/size
接口时,将返回一个包含存储桶的总大小和剩余大小的JSON响应。
请注意,本回答使用了Spring框架进行示范,如果你对其他的框架或工具更为熟悉,也可以在对应的框架或工具下进行相应的实现。
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