/
ec2.go
146 lines (127 loc) · 3.44 KB
/
ec2.go
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package helpers
import (
"fmt"
"log"
"time"
"github.com/omerh/awsctl/pkg/outputs"
"github.com/aws/aws-sdk-go/aws"
"github.com/aws/aws-sdk-go/aws/session"
"github.com/aws/aws-sdk-go/service/ec2"
)
// Ec2Event struct
type Ec2Event struct {
instanceID string
eventStatusCode string
eventDescription string
eventDueDate time.Time
}
// GetAllEc2Events will check for all events
func GetAllEc2Events(region string, out string) {
input := &ec2.DescribeInstanceStatusInput{}
config := aws.NewConfig().WithRegion(region)
sess, err := session.NewSession(config)
if err != nil {
fmt.Println(err)
}
svc := ec2.New(sess, config)
result, _ := svc.DescribeInstanceStatus(input)
var ec2events []Ec2Event
for _, instance := range result.InstanceStatuses {
for _, event := range instance.Events {
if event.Code != nil {
ec2events = append(ec2events, Ec2Event{
instanceID: *instance.InstanceId,
eventStatusCode: *event.Code,
eventDescription: *event.Description,
eventDueDate: *event.NotBefore,
})
}
}
}
printEc2Events(ec2events, out, region)
}
func printEc2Events(ec2events []Ec2Event, out string, region string) {
switch out {
case "json":
// fmt.Println(ec2events)
outputs.PrintGenericJSONOutput(ec2events, region)
default:
log.Printf("Running on region: %v", region)
if len(ec2events) > 0 {
for _, ec2event := range ec2events {
log.Printf("Instance %v has event %v", ec2event.instanceID, ec2event.eventStatusCode)
log.Printf("Description: %v", ec2event.eventDescription)
log.Printf("Handle until: %v", ec2event.eventDueDate)
}
} else {
log.Println("None found for region")
}
log.Println("==============================================")
}
}
// GetAllEC2Instances get all instances
func GetAllEC2Instances(region string, lifeCycle string, state string) []*ec2.Reservation {
awsSession, _ := InitAwsSession(region)
svc := ec2.New(awsSession)
var filter []*ec2.Filter
if state == "running" {
filter = []*ec2.Filter{
{
Name: aws.String("instance-state-name"),
Values: []*string{
aws.String("running"),
aws.String("pending"),
},
},
}
} else {
filter = []*ec2.Filter{
{
Name: aws.String("instance-state-name"),
Values: []*string{
aws.String("stopped"),
},
},
}
}
input := &ec2.DescribeInstancesInput{
Filters: filter,
}
result, _ := svc.DescribeInstances(input)
ec2Slice := result.Reservations
for result.NextToken != nil {
input := &ec2.DescribeInstancesInput{
NextToken: result.NextToken,
}
result, _ = svc.DescribeInstances(input)
// for _, r := range result.Reservations {
// ec2Slice = append(ec2Slice, r)
// }
ec2Slice = append(ec2Slice, result.Reservations...)
}
if lifeCycle == "all" {
return ec2Slice
}
var filteredEC2Slice []*ec2.Reservation
for _, i := range ec2Slice {
if lifeCycle == "spot" {
if i.Instances[0].InstanceLifecycle != nil {
filteredEC2Slice = append(filteredEC2Slice, i)
}
} else {
if i.Instances[0].InstanceLifecycle == nil {
filteredEC2Slice = append(filteredEC2Slice, i)
}
}
}
return filteredEC2Slice
}
// SummariesEC2Instances summarizes into map instances by type and count them
func SummariesEC2Instances(ec2Slice []*ec2.Reservation) map[string]int64 {
summary := make(map[string]int64, len(ec2Slice))
for _, i := range ec2Slice {
c := summary[*i.Instances[0].InstanceType]
summary[*i.Instances[0].InstanceType] = c + 1
}
return summary
}