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HTTP/1.1 200 OK Content-Type: text/html Content-Length: 3013 Connection: keep-alive Date: Wed, 30 Jul 2025 18:16:17 GMT Content-Encoding: gzip Server: Server Cache-Control: no-store, no-cache, must-revalidate Expires: Thu, 01 Jan 1970 00:00:00 GMT X-Frame-Options: SAMEORIGIN Strict-Transport-Security: max-age=47304000; includeSubDomains X-XSS-Protection: 1; mode=block X-Content-Type-Options: nosniff X-Content-Type-Options: nosniff Content-Security-Policy: upgrade-insecure-requests; script-src 'self' 'unsafe-inline' *.awsstatic.com *.cdn.uis.awsstatic.com *.cdn.console.awsstatic.com d2c.aws.amazon.com a0.awsstatic.com *.feedback.console.aws.dev insights.docs.aws.com wss://insights.docs.aws.com/prod; object-src 'none'; Last-Modified: Wed, 21 May 2025 18:05:34 GMT Accept-Ranges: bytes ETag: "DWpVjyKB2kfEQqOrb8ohMP30oug=-gzip" Vary: Accept-Encoding X-Cache: Miss from cloudfront Via: 1.1 7d1975e97f05a3fc47c8f5eea10222bc.cloudfront.net (CloudFront) X-Amz-Cf-Pop: BOM78-P5 X-Amz-Cf-Id: xpntI128MHQqQngyA6vfdcl4I9pLRSiCJ3uBE_ptPKzDEMyIBOH_rw== Class: Aws::AssumeRoleCredentials — AWS SDK for Ruby V2

You are viewing documentation for version 2 of the AWS SDK for Ruby. Version 3 documentation can be found here.

Class: Aws::AssumeRoleCredentials

Inherits:

Object

Object
Aws::AssumeRoleCredentials

show all

Includes:: CredentialProvider

Defined in:: aws-sdk-core/lib/aws-sdk-core/assume_role_credentials.rb

Overview

An auto-refreshing credential provider that works by assuming a role via STS::Client#assume_role.

role_credentials = Aws::AssumeRoleCredentials.new(
  client: Aws::STS::Client.new(...),
  role_arn: "linked::account::arn",
  role_session_name: "session-name"
)
ec2 = Aws::EC2::Client.new(credentials: role_credentials)

If you omit :client option, a new STS::Client object will be constructed.

Instance Attribute Summary collapse

#client ⇒ STS::Client readonly

Attributes included from CredentialProvider

#credentials

Instance Method Summary collapse

#initialize(options = {}) ⇒ AssumeRoleCredentials constructor
A new instance of AssumeRoleCredentials.

Methods included from CredentialProvider

#access_key_id, #secret_access_key, #session_token, #set?

Constructor Details

#initialize(options = {}) ⇒ `AssumeRoleCredentials`

Returns a new instance of AssumeRoleCredentials.

Parameters:

options (Hash) (defaults to: {}) —
a customizable set of options

Options Hash (options):

:role_arn (required, String)
:role_session_name (required, String)
:policy (String)
:duration_seconds (Integer)
:external_id (String)
:client (STS::Client)

# File 'aws-sdk-core/lib/aws-sdk-core/assume_role_credentials.rb', line 29
def initialize(options = {})
  client_opts = {}
  @assume_role_params = {}
  options.each_pair do |key, value|
    if self.class.assume_role_options.include?(key)
      @assume_role_params[key] = value
    else
      client_opts[key] = value
    end
  end
  @client = client_opts[:client] || STS::Client.new(client_opts)
  super
end

Instance Attribute Details

#client ⇒ `STS::Client` (readonly)

Returns:

(STS::Client)

44
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# File 'aws-sdk-core/lib/aws-sdk-core/assume_role_credentials.rb', line 44
def client
  @client
end

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