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Manage S3 users and authentication using the CLI

This page describes how to gain and obtain access permissions to the S3 protocol using the CLI.

With the CLI, you can:

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View existing IAM policies

Command: weka s3 policy list

Use this command to list the existing IAM policies.

The command lists both the pre-defined policies and custom policies that the Cluster Admin has added.

Command: weka s3 policy show <policy-name>

Use this command to see the JSON definition of the selected IAM policy.

The pre-defined policies value are:

{
  "Version": "2012-10-17",
  "Statement": [
    {
      "Effect": "Allow",
      "Action": [
        "s3:ListAllMyBuckets",
        "s3:ListBucket",
        "s3:ListBucketMultipartUploads",
        "s3:ListMultipartUploadParts",
        "s3:GetBucketLocation",
        "s3:GetBucketPolicy",
        "s3:GetBucketTagging",
        "s3:GetObject"
      ],
      "Resource": [
        "arn:aws:s3:::*"
      ]
    }
  ]
}

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Add an IAM policy

Command: weka s3 policy add

Use the following command line to add an S3 IAM policy:

weka s3 policy add <policy-name> <policy-file>

Parameters

Name
Value

policy-name*

Name of the IAM policy to add.

policy-file*

Path to the custom JSON file representing an IAM policy for anonymous access. See Supported S3 policy actions.

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Delete an IAM policy

Command: weka s3 policy remove

Use the following command line to delete an S3 IAM policy:‌

weka s3 policy remove <policy-name>‌

Parameters

Name
Value

policy-name*

Name of the IAM policy to remove.

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Attach a policy to an S3 user

Command: weka s3 policy attach

Use the following command line to attach an IAM policy to an S3 user:‌

weka s3 policy attach <policy> <user>‌

Parameters

Name
Value

policy*

Name of an existing IAM policy.

user*

Name of an existing S3 user.

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Detach a policy from an S3 user

Command: weka s3 policy detach

Use the following command line to detach an IAM policy from an S3 user:‌‌

weka s3 policy detach <user>‌‌

Parameters

Name
Value

user*

Name of an existing S3 user.

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Generate a temporary security token

Command: weka s3 sts assume-role

Use the following command line to generate a temporary security token:

weka s3 sts assume-role <--access-key access-key> [--secret-key secret-key] [--policy-file policy-file] <--duration duration>

Parameters

Name
Value
Default

access-key*

An S3 user access key

secret-key

An S3 user secret key

If not supplied, the command prompts to supply the secret-key.

policy-file

Path to a custom JSON file representing an IAM policy for anonymous access. You cannot gain additional capabilities to the IAM policy attached to this S3 user. See Supported Policy Actions.

​

duration*

Duration for the token validity. Possible values between 15 minutes and 1 week. Format: 900s, 60m, 2d, 1w

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An example response:

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