Amazonite

class Amazonite::Core::InstanceMetadataCredentialsProvider

Amazonite::Core::InstanceMetadataCredentialsProvider
Amazonite::Core::CredentialsProvider
Reference
Object

Overview

EC2 instance profile credentials via IMDSv2 - https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/ec2-instance-metadata.html

Defined in:

core/instance_metadata_credentials_provider.cr

Constant Summary

IMDS_HOST = "169.254.169.254"
Log = ::Log.for(self)

Constructors

.new(env : Fetcher, connect_timeout : Time::Span = 1.second, read_timeout : Time::Span = 1.second)

Instance Method Summary

#credentials : Credentials | Nil
broad rescue is deliberate: off an EC2 host there is no config signal distinguishing "not applicable" from "broken," and this must never hang or raise into a caller building a Config on a non-EC2 machine

Instance methods inherited from class `Amazonite::Core::CredentialsProvider`

Constructor Detail

def self.new(env : Fetcher, connect_timeout : Time::Span = 1.second, read_timeout : Time::Span = 1.second) #

[View source]

Instance Method Detail

def credentials : Credentials | Nil #

broad rescue is deliberate: off an EC2 host there is no config signal distinguishing "not applicable" from "broken," and this must never hang or raise into a caller building a Config on a non-EC2 machine