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From "Steve Loughran (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-15428) s3guard bucket-info -unguarded will guard bucket if FS is set to do this automatically
Date Sat, 28 Apr 2018 20:21:00 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-15428?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16457780#comment-16457780
] 

Steve Loughran commented on HADOOP-15428:
-----------------------------------------

And related: if the table isn't there and create=false, fails. Something we forgot to test
for, clearly.

{code}
[hrt_qa@ctr-e138-1518143905142-264443-01-000006 hadoopqe]$ hadoop s3guard -D fs.s3a.s3guard.ddb.table.create=false
bucket-info -unguarded s3a://landsat-pds/
java.io.FileNotFoundException: DynamoDB table 'landsat-pds' does not exist in region us-west-2;
auto-creation is turned off
	at org.apache.hadoop.fs.s3a.s3guard.DynamoDBMetadataStore.initTable(DynamoDBMetadataStore.java:922)
	at org.apache.hadoop.fs.s3a.s3guard.DynamoDBMetadataStore.initialize(DynamoDBMetadataStore.java:291)
	at org.apache.hadoop.fs.s3a.s3guard.S3Guard.getMetadataStore(S3Guard.java:99)
	at org.apache.hadoop.fs.s3a.S3AFileSystem.initialize(S3AFileSystem.java:337)
	at org.apache.hadoop.fs.FileSystem.createFileSystem(FileSystem.java:3354)
	at org.apache.hadoop.fs.FileSystem.access$200(FileSystem.java:124)
	at org.apache.hadoop.fs.FileSystem$Cache.getInternal(FileSystem.java:3403)
	at org.apache.hadoop.fs.FileSystem$Cache.getUnique(FileSystem.java:3377)
	at org.apache.hadoop.fs.FileSystem.newInstance(FileSystem.java:530)
	at org.apache.hadoop.fs.s3a.s3guard.S3GuardTool$BucketInfo.run(S3GuardTool.java:1026)
	at org.apache.hadoop.fs.s3a.s3guard.S3GuardTool.run(S3GuardTool.java:350)
	at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:76)
	at org.apache.hadoop.fs.s3a.s3guard.S3GuardTool.run(S3GuardTool.java:1477)
	at org.apache.hadoop.fs.s3a.s3guard.S3GuardTool.main(S3GuardTool.java:1486)
Caused by: com.amazonaws.services.dynamodbv2.model.ResourceNotFoundException: Requested resource
not found: Table: landsat-pds not found (Service: AmazonDynamoDBv2; Status Code: 400; Error
Code: ResourceNotFoundException; Request ID: JMOJ8N3U7BUFG7Q3LRL3VE1P1JVV4KQNSO5AEMVJF66Q9ASUAAJG)
	at com.amazonaws.http.AmazonHttpClient$RequestExecutor.handleErrorResponse(AmazonHttpClient.java:1639)
	at com.amazonaws.http.AmazonHttpClient$RequestExecutor.executeOneRequest(AmazonHttpClient.java:1304)
	at com.amazonaws.http.AmazonHttpClient$RequestExecutor.executeHelper(AmazonHttpClient.java:1056)
	at com.amazonaws.http.AmazonHttpClient$RequestExecutor.doExecute(AmazonHttpClient.java:743)
	at com.amazonaws.http.AmazonHttpClient$RequestExecutor.executeWithTimer(AmazonHttpClient.java:717)
	at com.amazonaws.http.AmazonHttpClient$RequestExecutor.execute(AmazonHttpClient.java:699)
	at com.amazonaws.http.AmazonHttpClient$RequestExecutor.access$500(AmazonHttpClient.java:667)
	at com.amazonaws.http.AmazonHttpClient$RequestExecutionBuilderImpl.execute(AmazonHttpClient.java:649)
	at com.amazonaws.http.AmazonHttpClient.execute(AmazonHttpClient.java:513)
	at com.amazonaws.services.dynamodbv2.AmazonDynamoDBClient.doInvoke(AmazonDynamoDBClient.java:2925)
	at com.amazonaws.services.dynamodbv2.AmazonDynamoDBClient.invoke(AmazonDynamoDBClient.java:2901)
	at com.amazonaws.services.dynamodbv2.AmazonDynamoDBClient.executeDescribeTable(AmazonDynamoDBClient.java:1515)
	at com.amazonaws.services.dynamodbv2.AmazonDynamoDBClient.describeTable(AmazonDynamoDBClient.java:1491)
	at com.amazonaws.services.dynamodbv2.document.Table.describe(Table.java:137)
	at org.apache.hadoop.fs.s3a.s3guard.DynamoDBMetadataStore.initTable(DynamoDBMetadataStore.java:884)
	... 13 more
18/04/28 20:14:23 INFO util.ExitUtil: Exiting with status -1: java.io.FileNotFoundException:
DynamoDB table 'landsat-pds' does not exist in region us-west-2; auto-creation is turned off
{code}

> s3guard bucket-info -unguarded will guard bucket if FS is set to do this automatically
> --------------------------------------------------------------------------------------
>
>                 Key: HADOOP-15428
>                 URL: https://issues.apache.org/jira/browse/HADOOP-15428
>             Project: Hadoop Common
>          Issue Type: Sub-task
>          Components: fs/s3
>    Affects Versions: 3.1.0
>            Reporter: Steve Loughran
>            Priority: Major
>
> If you call hadoop s3guard bucket-info on a bucket where the fs is set to create a s3guard
table on demand, then the DDB table is automatically created. As a result
> the {{bucket-info -unguarded}} option cannot be used, and the call has significant side
effects (i.e. it can run up bills)



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