aws

Documentation

Overview

Package aws provides functionality to interact with AWS services such as EC2 and CloudWatch. It includes functions to initialize a CloudWatch client and fetch CPU utilization metrics for EC2 instances.

Package aws contains functionalities related to AWS services.

Index

• func FetchCpuUtilizationMetric(instanceId string, cwClient cloudwatchiface.CloudWatchAPI) (*cloudwatch.GetMetricDataOutput, error)
• func NewCloudWatchClient(sess *session.Session) cloudwatchiface.CloudWatchAPI
• type EC2Handler
  • func (e *EC2Handler) CheckEC2Instances(ec2Svc ec2iface.EC2API)
  • func (e *EC2Handler) NewAWSSession() (ec2iface.EC2API, error)
• type EC2Service

Functions

func FetchCpuUtilizationMetric

func FetchCpuUtilizationMetric(instanceId string, cwClient cloudwatchiface.CloudWatchAPI) (*cloudwatch.GetMetricDataOutput, error)

FetchCpuUtilizationMetric fetches the CPU utilization metric for the specified EC2 instance. It uses the provided CloudWatch client to fetch the metric data from the last 24 hours, with a period of 1 hour. The function returns the metric data output and any error encountered.

func NewCloudWatchClient

func NewCloudWatchClient(sess *session.Session) cloudwatchiface.CloudWatchAPI

NewCloudWatchClient initializes a new CloudWatch client using the provided AWS session. It returns an interface to the CloudWatch API, which can be used to interact with the service.

Types

type EC2Handler

type EC2Handler struct{}

EC2Handler is a type that implements the EC2Service interface, providing methods to interact with EC2 instances.

func (*EC2Handler) CheckEC2Instances

func (e *EC2Handler) CheckEC2Instances(ec2Svc ec2iface.EC2API)

CheckEC2Instances connects to AWS, performs a health check of EC2 instances, and lists the IDs of all active EC2 instances. It takes an EC2 service client as a parameter and queries EC2 instances, outputting their IDs.

func (*EC2Handler) NewAWSSession

func (e *EC2Handler) NewAWSSession() (ec2iface.EC2API, error)

NewAWSSession creates a new AWS session and returns an EC2 service. It returns an EC2 service as an ec2iface.EC2API interface, which can be used to interact with EC2. If there is a problem creating the AWS session, it returns an error.

type EC2Service

type EC2Service interface {
	NewAWSSession() (ec2iface.EC2API, error)
	CheckEC2Instances(ec2Svc ec2iface.EC2API)
}

EC2Service is an interface that describes the methods needed to interact with EC2 instances.