Amazon s3 无法从EMR上的Flink作业访问S3
我很难从Flink的工作中访问S3 如果我为我的作业提交组装好的jar,我会收到一个拒绝访问错误:Amazon s3 无法从EMR上的Flink作业访问S3,amazon-s3,apache-flink,amazon-emr,Amazon S3,Apache Flink,Amazon Emr,我很难从Flink的工作中访问S3 如果我为我的作业提交组装好的jar,我会收到一个拒绝访问错误: Caused by: com.amazon.ws.emr.hadoop.fs.shaded.com.amazonaws.services.s3.model.AmazonS3Exception: Access Denied (Service: Amazon S3; Status Code: 403; Error Code: AccessDenied; Request ID: ...; S3 Ext
Caused by:
com.amazon.ws.emr.hadoop.fs.shaded.com.amazonaws.services.s3.model.AmazonS3Exception:
Access Denied (Service: Amazon S3; Status Code: 403; Error Code: AccessDenied; Request ID: ...; S3 Extended Request ID: ...), S3 Extended Request ID: ...
这是我的设置:
使用“高级配置”创建的EMR群集,
弗林克1.4.0。和Hadoop 2.8.3。作为应用程序。
1个主节点,2个节点
实例具有EMR\u EC2\u DefaultRole
,具有策略AmazonElasticMapReduceforEC2Role,具有S3完全访问权限。
实际上,我可以在主节点和从节点上成功发出此命令:
aws s3api列表存储桶
hdfs-dfs-ls s3://bucketA
我连接到主机并启动群集:
/usr/lib/flink/bin/warn-session.sh-n2-d
Flink作业从桶中读取数据作为源:
object TestS3 {
def main(args: Array[String]): Unit = {
val env: ExecutionEnvironment = ExecutionEnvironment.getExecutionEnvironment
val input: DataSet[String] = env.readTextFile("s3://bucketA/source/file")
input.writeAsText("s3://bucketB/delete/me/later")
env.execute()
}
}
这是我的simple build.sbt:
name := "TestS3"
scalaVersion := "2.11.11"
version := "0.1"
val flinkVersion = "1.4.0"
libraryDependencies ++= Seq(
"org.apache.flink" % "flink-core" % flinkVersion % "provided",
"org.apache.flink" %% "flink-scala" % flinkVersion % "provided"
)
bucket没有拒绝读取访问的策略。它有拒绝删除的策略,但这不应影响Flink作业。
EMR\u EC2\u Default\u角色授予对S3的完全访问权
和往常一样,任何关于我做错了什么的暗示都是非常感激的。也许我的期望是错误的
这是完整的堆栈跟踪:
java.io.IOException: Error opening the Input Split s3://bucketA/source/file [0,-1]: com.amazon.ws.emr.hadoop.fs.shaded.com.amazonaws.services.s3.model.AmazonS3Exception: Access Denied (Service: Amazon S3; Status Code: 403; Error Code: AccessDenied; Request ID: xyz_request_id; S3 Extended Request ID: xyz_ext_request_id), S3 Extended Request ID: xyz_ext_request_id
at org.apache.flink.api.common.io.FileInputFormat.open(FileInputFormat.java:705)
at org.apache.flink.api.common.io.DelimitedInputFormat.open(DelimitedInputFormat.java:477)
at org.apache.flink.api.common.io.DelimitedInputFormat.open(DelimitedInputFormat.java:48)
at org.apache.flink.runtime.operators.DataSourceTask.invoke(DataSourceTask.java:145)
at org.apache.flink.runtime.taskmanager.Task.run(Task.java:718)
at java.lang.Thread.run(Thread.java:748)
Caused by: java.io.IOException: com.amazon.ws.emr.hadoop.fs.shaded.com.amazonaws.services.s3.model.AmazonS3Exception: Access Denied (Service: Amazon S3; Status Code: 403; Error Code: AccessDenied; Request ID: xyz_request_id; S3 Extended Request ID: xyz_ext_request_id), S3 Extended Request ID: xyz_ext_request_id
at com.amazon.ws.emr.hadoop.fs.s3n.Jets3tNativeFileSystemStore.handleAmazonServiceException(Jets3tNativeFileSystemStore.java:434)
at com.amazon.ws.emr.hadoop.fs.s3n.Jets3tNativeFileSystemStore.retrievePair(Jets3tNativeFileSystemStore.java:461)
at com.amazon.ws.emr.hadoop.fs.s3n.Jets3tNativeFileSystemStore.retrievePair(Jets3tNativeFileSystemStore.java:439)
at com.amazon.ws.emr.hadoop.fs.s3n.S3NativeFileSystem.open(S3NativeFileSystem.java:1097)
at org.apache.hadoop.fs.FileSystem.open(FileSystem.java:790)
at com.amazon.ws.emr.hadoop.fs.EmrFileSystem.open(EmrFileSystem.java:166)
at org.apache.flink.runtime.fs.hdfs.HadoopFileSystem.open(HadoopFileSystem.java:119)
at org.apache.flink.runtime.fs.hdfs.HadoopFileSystem.open(HadoopFileSystem.java:36)
at org.apache.flink.api.common.io.FileInputFormat$InputSplitOpenThread.run(FileInputFormat.java:865)
Caused by: com.amazon.ws.emr.hadoop.fs.shaded.com.amazonaws.services.s3.model.AmazonS3Exception: Access Denied (Service: Amazon S3; Status Code: 403; Error Code: AccessDenied; Request ID: xyz_request_id; S3 Extended Request ID: xyz_ext_request_id), S3 Extended Request ID: xyz_ext_request_id
at com.amazon.ws.emr.hadoop.fs.shaded.com.amazonaws.http.AmazonHttpClient$RequestExecutor.handleErrorResponse(AmazonHttpClient.java:1639)
at com.amazon.ws.emr.hadoop.fs.shaded.com.amazonaws.http.AmazonHttpClient$RequestExecutor.executeOneRequest(AmazonHttpClient.java:1304)
at com.amazon.ws.emr.hadoop.fs.shaded.com.amazonaws.http.AmazonHttpClient$RequestExecutor.executeHelper(AmazonHttpClient.java:1056)
at com.amazon.ws.emr.hadoop.fs.shaded.com.amazonaws.http.AmazonHttpClient$RequestExecutor.doExecute(AmazonHttpClient.java:743)
at com.amazon.ws.emr.hadoop.fs.shaded.com.amazonaws.http.AmazonHttpClient$RequestExecutor.executeWithTimer(AmazonHttpClient.java:717)
at com.amazon.ws.emr.hadoop.fs.shaded.com.amazonaws.http.AmazonHttpClient$RequestExecutor.execute(AmazonHttpClient.java:699)
at com.amazon.ws.emr.hadoop.fs.shaded.com.amazonaws.http.AmazonHttpClient$RequestExecutor.access$500(AmazonHttpClient.java:667)
at com.amazon.ws.emr.hadoop.fs.shaded.com.amazonaws.http.AmazonHttpClient$RequestExecutionBuilderImpl.execute(AmazonHttpClient.java:649)
at com.amazon.ws.emr.hadoop.fs.shaded.com.amazonaws.http.AmazonHttpClient.execute(AmazonHttpClient.java:513)
at com.amazon.ws.emr.hadoop.fs.shaded.com.amazonaws.services.s3.AmazonS3Client.invoke(AmazonS3Client.java:4325)
at com.amazon.ws.emr.hadoop.fs.shaded.com.amazonaws.services.s3.AmazonS3Client.invoke(AmazonS3Client.java:4272)
at com.amazon.ws.emr.hadoop.fs.shaded.com.amazonaws.services.s3.AmazonS3Client.getObject(AmazonS3Client.java:1409)
at com.amazon.ws.emr.hadoop.fs.s3.lite.call.GetObjectCall.perform(GetObjectCall.java:22)
at com.amazon.ws.emr.hadoop.fs.s3.lite.call.GetObjectCall.perform(GetObjectCall.java:9)
at com.amazon.ws.emr.hadoop.fs.s3.lite.executor.GlobalS3Executor.execute(GlobalS3Executor.java:91)
at com.amazon.ws.emr.hadoop.fs.s3.lite.AmazonS3LiteClient.invoke(AmazonS3LiteClient.java:176)
at com.amazon.ws.emr.hadoop.fs.s3.lite.AmazonS3LiteClient.getObject(AmazonS3LiteClient.java:99)
at com.amazon.ws.emr.hadoop.fs.s3n.Jets3tNativeFileSystemStore.retrievePair(Jets3tNativeFileSystemStore.java:452)
... 7 more
我们发现,源存储桶是用KMS密钥加密的。因此,EMR_EC2_DefaultRole完全访问S3是不够的,但它还需要访问KMS密钥。我们分别扩展了EMR_EC2_DefaultRole,Flink作业现在可以访问该文件
也许这篇文章可以帮助人们节省一些时间(不要忘记KMS加密)