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Versions: 60
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Contents
module Aws
# @api private
class CredentialProviderChain
def initialize(config)
@config = config
end
# @return [CredentialProvider, nil]
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
def providers
[
[:static_credentials, {}],
[:env_credentials, {}],
[:shared_credentials, {}],
[:instance_profile_credentials, {
retries: 0,
http_open_timeout: 1,
http_read_timeout: 1,
}],
]
end
def static_credentials(options)
config = options[:config]
Credentials.new(
config.access_key_id,
config.secret_access_key,
config.session_token)
end
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
def envar(keys)
keys.each do |key|
if ENV.key?(key)
return ENV[key]
end
end
nil
end
def shared_credentials(options = {})
SharedCredentials.new(profile_name: options[:config].profile)
rescue Errors::NoSuchProfileError
nil
end
def instance_profile_credentials(options)
InstanceProfileCredentials.new(options)
end
end
end
Version data entries
60 entries across 60 versions & 1 rubygems