aws

Documentation

Overview

Implements interaction with the AWS API.

Instance metadata is retrieved from the AWS IMDS API.

Retrieving metadata of other instances is done by using the AWS compute API, and requires AWS credentials.

Index

• type Cloud
  • func New(ctx context.Context) (*Cloud, error)
  • func (c *Cloud) GetLoadBalancerEndpoint(ctx context.Context) (string, error)
  • func (c *Cloud) InitSecretHash(ctx context.Context) ([]byte, error)
  • func (c *Cloud) List(ctx context.Context) ([]metadata.InstanceMetadata, error)
  • func (c *Cloud) Self(ctx context.Context) (metadata.InstanceMetadata, error)
  • func (c *Cloud) UID(ctx context.Context) (string, error)
• type Logger
  • func NewLogger(ctx context.Context) (*Logger, error)
  • func (l *Logger) Close() error
  • func (l *Logger) Disclose(msg string)

Types

type Cloud

type Cloud struct {
	// contains filtered or unexported fields
}

Cloud provides AWS metadata and API access.

func New

func New(ctx context.Context) (*Cloud, error)

New initializes a new AWS Metadata client using instance default credentials. Default region is set up using the AWS imds api.

func (*Cloud) GetLoadBalancerEndpoint

func (c *Cloud) GetLoadBalancerEndpoint(ctx context.Context) (string, error)

GetLoadBalancerEndpoint returns the endpoint of the load balancer.

func (*Cloud) InitSecretHash

func (c *Cloud) InitSecretHash(ctx context.Context) ([]byte, error)

InitSecretHash returns the InitSecretHash of the current instance.

func (*Cloud) List

func (c *Cloud) List(ctx context.Context) ([]metadata.InstanceMetadata, error)

List retrieves all instances belonging to the current Constellation.

func (*Cloud) Self

func (c *Cloud) Self(ctx context.Context) (metadata.InstanceMetadata, error)

Self retrieves the current instance.

func (*Cloud) UID

func (c *Cloud) UID(ctx context.Context) (string, error)

UID returns the UID of the Constellation.

type Logger

type Logger struct {
	// contains filtered or unexported fields
}

Logger is a Cloud Logger for AWS. Log messages are collected and periodically flushed to AWS Cloudwatch Logs.

func NewLogger

func NewLogger(ctx context.Context) (*Logger, error)

NewLogger creates a new Cloud Logger for AWS.

func (*Logger) Close

func (l *Logger) Close() error

Close flushes the logs a final time and stops the flush loop.

func (*Logger) Disclose

func (l *Logger) Disclose(msg string)

Disclose adds a message to the log queue. The messages are flushed periodically to AWS Cloudwatch Logs.