Class Aws\Credentials\InstanceProfileProvider

Credential provider that provides credentials from the EC2 metadata service.

Methods


					
	public

__construct(array $config = [])

The constructor accepts the following options:

timeout: Connection timeout, in seconds.
profile: Optional EC2 profile name, if known.
retries: Optional number of retries to be attempted.
ec2_metadata_v1_disabled: Optional for disabling the fallback to IMDSv1.
endpoint: Optional for overriding the default endpoint to be used for fetching credentials. The value must contain a valid URI scheme. If the URI scheme is not https, it must resolve to a loopback address.
endpoint_mode: Optional for overriding the default endpoint mode (IPv4|IPv6) to be used for resolving the default endpoint.
use_aws_shared_config_files: Decides whether the shared config file should be considered when using the ConfigurationResolver::resolve method.

$config

Configuration options.


					
	public

__invoke($previousCredentials = null): PromiseInterface

Loads instance profile credentials.

Constants
`public`	`CRED_PATH = 'meta-data/iam/security-credentials/'`	#
`public`	`TOKEN_PATH = 'api/token'`	#
`public`	`ENV_DISABLE = 'AWS_EC2_METADATA_DISABLED'`	#
`public`	`ENV_TIMEOUT = 'AWS_METADATA_SERVICE_TIMEOUT'`	#
`public`	`ENV_RETRIES = 'AWS_METADATA_SERVICE_NUM_ATTEMPTS'`	#
`public`	`CFG_EC2_METADATA_V1_DISABLED = 'ec2_metadata_v1_disabled'`	#
`public`	`CFG_EC2_METADATA_SERVICE_ENDPOINT = 'ec2_metadata_service_endpoint'`	#
`public`	`CFG_EC2_METADATA_SERVICE_ENDPOINT_MODE = 'ec2_metadata_service_endpoint_mode'`	#
`public`	`DEFAULT_TIMEOUT = 1.0`	#
`public`	`DEFAULT_RETRIES = 3`	#
`public`	`DEFAULT_TOKEN_TTL_SECONDS = 21600`	#
`public`	`DEFAULT_AWS_EC2_METADATA_V1_DISABLED = false`	#
`public`	`ENDPOINT_MODE_IPv4 = 'IPv4'`	#
`public`	`ENDPOINT_MODE_IPv6 = 'IPv6'`	#
`public`	`DEFAULT_METADATA_SERVICE_IPv4_ENDPOINT = 'http://169.254.169.254'`	#
`public`	`DEFAULT_METADATA_SERVICE_IPv6_ENDPOINT = 'http://[fd00:ec2::254]'`	#