io.micronaut.discovery.cloud.aws

Class AmazonComputeInstanceMetadataResolver

java.lang.Object

io.micronaut.discovery.cloud.aws.AmazonComputeInstanceMetadataResolver

All Implemented Interfaces:

ComputeInstanceMetadataResolver

@Singleton
 @Requires(env="ec2")
public class AmazonComputeInstanceMetadataResolver
extends Object
implements ComputeInstanceMetadataResolver

Resolves ComputeInstanceMetadata for Amazon EC2.

Since:

1.0

Author:

rvanderwerf, Graeme Rocher

Constructor Summary

Constructors

Constructor and Description
AmazonComputeInstanceMetadataResolver() Create a new instance to resolve ComputeInstanceMetadata for Amazon EC2 with default configurations.
AmazonComputeInstanceMetadataResolver(com.fasterxml.jackson.databind.ObjectMapper objectMapper, AmazonMetadataConfiguration configuration) Create a new instance to resolve ComputeInstanceMetadata for Amazon EC2.

Method Summary

Modifier and Type	Method and Description
protected com.fasterxml.jackson.databind.JsonNode	readEc2MetadataJson(URL url, int connectionTimeoutMs, int readTimeoutMs) Deprecated. See ComputeInstanceMetadataResolverUtils.readMetadataUrl(URL, int, int, ObjectMapper, Map)
Optional<ComputeInstanceMetadata>	resolve(Environment environment) Resolves ComputeInstanceMetadata for the current environment if possible.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

AmazonComputeInstanceMetadataResolver

@Inject
public AmazonComputeInstanceMetadataResolver(com.fasterxml.jackson.databind.ObjectMapper objectMapper,
                                                     AmazonMetadataConfiguration configuration)

Create a new instance to resolve ComputeInstanceMetadata for Amazon EC2.

Parameters:

objectMapper - To convert AWS EC2 metadata information into Map

configuration - AWS Metadata configuration

AmazonComputeInstanceMetadataResolver

public AmazonComputeInstanceMetadataResolver()

Create a new instance to resolve ComputeInstanceMetadata for Amazon EC2 with default configurations.

Method Detail

resolve

public Optional<ComputeInstanceMetadata> resolve(Environment environment)

Description copied from interface: ComputeInstanceMetadataResolver

Resolves ComputeInstanceMetadata for the current environment if possible.

Specified by:

resolve in interface ComputeInstanceMetadataResolver

Parameters:

environment - The environment

Returns:

The ComputeInstanceMetadata

readEc2MetadataJson

@Deprecated
protected com.fasterxml.jackson.databind.JsonNode readEc2MetadataJson(URL url,
                                                                                  int connectionTimeoutMs,
                                                                                  int readTimeoutMs)
                                                                           throws IOException

Deprecated. See ComputeInstanceMetadataResolverUtils.readMetadataUrl(URL, int, int, ObjectMapper, Map)

Read EC2 metadata from the given URL.

Parameters:

url - URL to fetch AWS EC2 metadata information

connectionTimeoutMs - connection timeout in millis

readTimeoutMs - read timeout in millis

Returns:

AWS EC2 metadata information

Throws:

IOException - Signals that an I/O exception of some sort has occurred