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Posted to user@flink.apache.org by "Karthikeyan Muthusamy (karmuthu)" <ka...@cisco.com> on 2022/08/02 14:25:23 UTC

Re: WELCOME to user@flink.apache.org

Hi Team,

We have deployed our Flink Cluster on AWS EKS using Flink Operator. We have created required service accounts with IAM OIDC integration, however flink-main container seems to bypass this service account role and directly tries to create and delete objects in s3 using Node role. As the flink application fails to use service account, the access is getting denied.

**Please note that we have enabled HA and our Storage Directory is s3 and if we log into the pod and check, it does have the required permission at the container level and are able to write and read from s3, however application is not using the service account.

Error:
Caused by: java.nio.file.AccessDeniedException: s3a://preint-us-east-1-flink/flink-peak-trunk-utilization/flink-deploy/submittedJobGraph50e30a08e280: delete on s3a://preint-us-east-1-flink/flink-peak-trunk-utilization/flink-deploy/submittedJobGraph50e30a08e280: com.amazonaws.services.s3.model.AmazonS3Exception: Access Denied (Service: Amazon S3; Status Code: 403; Error Code: AccessDenied; Request ID: MCRDGVQN7X6EVJ69; S3 Extended Request ID: +MwyWabe4upNDsWmEJeEOxtvRYCJDa840uk5AtLam0c3O4vnZMD3k4tlI+VU+o/o2JgO9GpMDYY=; Proxy: null), S3 Extended Request ID: +MwyWabe4upNDsWmEJeEOxtvRYCJDa840uk5AtLam0c3O4vnZMD3k4tlI+VU+o/o2JgO9GpMDYY=:AccessDenied

-- Karthikeyan
   Technical Leader Engineering
   Cisco Systems
   Ph: 9019431391


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Date: Tuesday, 2 August 2022 at 7:46 PM
To: Karthikeyan Muthusamy (karmuthu) <ka...@cisco.com>
Subject: WELCOME to user@flink.apache.org
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Re: WELCOME to user@flink.apache.org

Posted by Tamir Sagi <Ta...@niceactimize.com>.
Hey Karthikeyan,

Welcome to Flink.

Make sure that

  1.  IAM role has enough permissions to the required buckets. (<bucket> and <bucket>/*)
  2.
  3.  Once you define the IAM role, you need to annotate the SA with the role ARN and attach the SA to Flink pods. ("kubernetes.service-account" under flink-conf.yaml
i.e
annotations = {
      "eks.amazonaws.com/role-arn" =<role-arn>
    }

  4.  Add aws-java-sdk-sts dependency(1.12.+) to job's jar. (to read the SA properly).


________________________________
From: Karthikeyan Muthusamy (karmuthu) <ka...@cisco.com>
Sent: Tuesday, August 2, 2022 5:25 PM
To: user-help@flink.apache.org <us...@flink.apache.org>; user@flink.apache.org <us...@flink.apache.org>
Cc: Mohan S G (mosg) <mo...@cisco.com>
Subject: Re: WELCOME to user@flink.apache.org


EXTERNAL EMAIL



Hi Team,



We have deployed our Flink Cluster on AWS EKS using Flink Operator. We have created required service accounts with IAM OIDC integration, however flink-main container seems to bypass this service account role and directly tries to create and delete objects in s3 using Node role. As the flink application fails to use service account, the access is getting denied.



**Please note that we have enabled HA and our Storage Directory is s3 and if we log into the pod and check, it does have the required permission at the container level and are able to write and read from s3, however application is not using the service account.



Error:

Caused by: java.nio.file.AccessDeniedException: s3a://preint-us-east-1-flink/flink-peak-trunk-utilization/flink-deploy/submittedJobGraph50e30a08e280: delete on s3a://preint-us-east-1-flink/flink-peak-trunk-utilization/flink-deploy/submittedJobGraph50e30a08e280: com.amazonaws.services.s3.model.AmazonS3Exception: Access Denied (Service: Amazon S3; Status Code: 403; Error Code: AccessDenied; Request ID: MCRDGVQN7X6EVJ69; S3 Extended Request ID: +MwyWabe4upNDsWmEJeEOxtvRYCJDa840uk5AtLam0c3O4vnZMD3k4tlI+VU+o/o2JgO9GpMDYY=; Proxy: null), S3 Extended Request ID: +MwyWabe4upNDsWmEJeEOxtvRYCJDa840uk5AtLam0c3O4vnZMD3k4tlI+VU+o/o2JgO9GpMDYY=:AccessDenied



-- Karthikeyan

   Technical Leader Engineering

   Cisco Systems

   Ph: 9019431391





From: user-help@flink.apache.org <us...@flink.apache.org>
Date: Tuesday, 2 August 2022 at 7:46 PM
To: Karthikeyan Muthusamy (karmuthu) <ka...@cisco.com>
Subject: WELCOME to user@flink.apache.org

Hi! This is the ezmlm program. I'm managing the
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Acknowledgment: I have added the address

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From: "Karthikeyan Muthusamy (karmuthu)" <ka...@cisco.com>
To:  "user-sc.1659449699.kpjomgemhhgdpgihnong-karmuthu=cisco.com@flink.apache.org"
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Subject: Re: confirm subscribe to user@flink.apache.org
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Date: Tue, 2 Aug 2022 14:16:23 +0000
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