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instances.go
60 lines (52 loc) · 1.31 KB
/
instances.go
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package main
import (
"strings"
"github.com/aws/aws-sdk-go/aws"
"github.com/aws/aws-sdk-go/aws/session"
"github.com/aws/aws-sdk-go/service/ec2"
)
// GetInstances is describe ec2 instances(state Running Only)
func GetInstances() error {
svc := ec2.New(session.New())
params := &ec2.DescribeInstancesInput{
Filters: []*ec2.Filter{
{
Name: aws.String("instance-state-name"),
Values: []*string{aws.String("running")},
},
},
}
res, err := svc.DescribeInstances(params)
if err != nil {
return err
}
for _, r := range res.Reservations {
for _, i := range r.Instances {
var Name string
var SecurityGroups []string
for _, t := range i.Tags {
switch aws.StringValue(t.Key) {
case "Name":
Name = aws.StringValue(t.Value)
}
}
if i.PublicIpAddress == nil {
i.PublicIpAddress = aws.String("-")
}
for _, s := range i.SecurityGroups {
SecurityGroups = append(SecurityGroups, aws.StringValue(s.GroupName))
}
instance := []string{
Name,
aws.StringValue(i.InstanceId),
aws.StringValue(i.InstanceType),
aws.StringValue(i.PublicIpAddress),
aws.StringValue(i.PrivateIpAddress),
aws.StringValue(i.Placement.AvailabilityZone),
strings.Join(SecurityGroups, " / "),
}
allInstances = append(allInstances, instance)
}
}
return nil
}