driftctl/pkg/remote/aws/internet_gateway_supplier.go

83 lines
2.5 KiB
Go

package aws
import (
"github.com/aws/aws-sdk-go/service/ec2"
"github.com/aws/aws-sdk-go/service/ec2/ec2iface"
"github.com/cloudskiff/driftctl/pkg/parallel"
"github.com/cloudskiff/driftctl/pkg/remote/deserializer"
remoteerror "github.com/cloudskiff/driftctl/pkg/remote/error"
"github.com/cloudskiff/driftctl/pkg/resource"
"github.com/cloudskiff/driftctl/pkg/resource/aws"
awsdeserializer "github.com/cloudskiff/driftctl/pkg/resource/aws/deserializer"
"github.com/cloudskiff/driftctl/pkg/terraform"
"github.com/sirupsen/logrus"
"github.com/zclconf/go-cty/cty"
)
type InternetGatewaySupplier struct {
reader terraform.ResourceReader
deserializer deserializer.CTYDeserializer
client ec2iface.EC2API
runner *terraform.ParallelResourceReader
}
func NewInternetGatewaySupplier(runner *parallel.ParallelRunner, client ec2iface.EC2API) *InternetGatewaySupplier {
return &InternetGatewaySupplier{
terraform.Provider(terraform.AWS),
awsdeserializer.NewInternetGatewayDeserializer(),
client,
terraform.NewParallelResourceReader(runner),
}
}
func (s InternetGatewaySupplier) Resources() ([]resource.Resource, error) {
internetGateways, err := listInternetGateways(s.client)
if err != nil {
return nil, remoteerror.NewResourceEnumerationError(err, aws.AwsInternetGatewayResourceType)
}
for _, internetGateway := range internetGateways {
gtw := *internetGateway
s.runner.Run(func() (cty.Value, error) {
return s.readInternetGateway(gtw)
})
}
resources, err := s.runner.Wait()
if err != nil {
return nil, err
}
return s.deserializer.Deserialize(resources)
}
func (s InternetGatewaySupplier) readInternetGateway(internetGateway ec2.InternetGateway) (cty.Value, error) {
var Ty resource.ResourceType = aws.AwsInternetGatewayResourceType
val, err := s.reader.ReadResource(terraform.ReadResourceArgs{
Ty: Ty,
ID: *internetGateway.InternetGatewayId,
})
if err != nil {
logrus.WithFields(logrus.Fields{
"type": Ty,
}).Error(err)
return cty.NilVal, err
}
return *val, nil
}
func listInternetGateways(client ec2iface.EC2API) ([]*ec2.InternetGateway, error) {
var internetGateways []*ec2.InternetGateway
input := ec2.DescribeInternetGatewaysInput{}
err := client.DescribeInternetGatewaysPages(&input,
func(resp *ec2.DescribeInternetGatewaysOutput, lastPage bool) bool {
internetGateways = append(internetGateways, resp.InternetGateways...)
return !lastPage
},
)
if err != nil {
return nil, err
}
return internetGateways, nil
}