class Aws::CredentialProviderChain
@api private
Public Class Methods
new(config)
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# File lib/aws-sdk-core/credential_provider_chain.rb, line 5 def initialize(config) @config = config end
Public Instance Methods
resolve()
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@return [CredentialProvider, nil]
# File lib/aws-sdk-core/credential_provider_chain.rb, line 10 def resolve providers.each do |method_name, options| provider = send(method_name, options.merge(config: @config)) return provider if provider && provider.set? end nil end
Private Instance Methods
env_credentials(options)
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# File lib/aws-sdk-core/credential_provider_chain.rb, line 41 def env_credentials(options) key = %w(AWS_ACCESS_KEY_ID AMAZON_ACCESS_KEY_ID AWS_ACCESS_KEY) secret = %w(AWS_SECRET_ACCESS_KEY AMAZON_SECRET_ACCESS_KEY AWS_SECRET_KEY) token = %w(AWS_SESSION_TOKEN AMAZON_SESSION_TOKEN) Credentials.new(envar(key), envar(secret), envar(token)) end
envar(keys)
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# File lib/aws-sdk-core/credential_provider_chain.rb, line 48 def envar(keys) keys.each do |key| if ENV.key?(key) return ENV[key] end end nil end
instance_profile_credentials(options)
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# File lib/aws-sdk-core/credential_provider_chain.rb, line 63 def instance_profile_credentials(options) InstanceProfileCredentials.new(options) end
providers()
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# File lib/aws-sdk-core/credential_provider_chain.rb, line 20 def providers [ [:static_credentials, {}], [:env_credentials, {}], [:shared_credentials, {}], [:instance_profile_credentials, { retries: 0, http_open_timeout: 1, http_read_timeout: 1, }], ] end
static_credentials(options)
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# File lib/aws-sdk-core/credential_provider_chain.rb, line 33 def static_credentials(options) config = options[:config] Credentials.new( config.access_key_id, config.secret_access_key, config.session_token) end