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subnets.go
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subnets.go
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package ec2
import (
"fmt"
"github.com/aws/aws-sdk-go/aws"
awsec2 "github.com/aws/aws-sdk-go/service/ec2"
)
type subnetsClient interface {
DescribeSubnets(*awsec2.DescribeSubnetsInput) (*awsec2.DescribeSubnetsOutput, error)
DeleteSubnet(*awsec2.DeleteSubnetInput) (*awsec2.DeleteSubnetOutput, error)
}
type subnets interface {
Delete(vpcId string) error
}
type Subnets struct {
client subnetsClient
logger logger
resourceTags resourceTags
}
func NewSubnets(client subnetsClient, logger logger, resourceTags resourceTags) Subnets {
return Subnets{
client: client,
logger: logger,
resourceTags: resourceTags,
}
}
func (u Subnets) Delete(vpcId string) error {
subnets, err := u.client.DescribeSubnets(&awsec2.DescribeSubnetsInput{
Filters: []*awsec2.Filter{{
Name: aws.String("vpc-id"),
Values: []*string{aws.String(vpcId)},
}},
})
if err != nil {
return fmt.Errorf("Describe EC2 Subnets: %s", err)
}
for _, s := range subnets.Subnets {
n := *s.SubnetId
_, err = u.client.DeleteSubnet(&awsec2.DeleteSubnetInput{SubnetId: s.SubnetId})
if err != nil {
return fmt.Errorf("Delete subnet %s: %s", n, err)
}
err = u.resourceTags.Delete("subnet", n)
if err != nil {
u.logger.Printf("[EC2 VPC: %s] Delete subnet %s tags: %s \n", vpcId, n, err)
} else {
u.logger.Printf("[EC2 VPC: %s] Deleted subnet %s tags \n", vpcId, n)
}
}
return nil
}