driftctl/pkg/remote/aws/ec2_ebs_volume_supplier.go

81 lines
2.3 KiB
Go

package aws
import (
remoteerror "github.com/cloudskiff/driftctl/pkg/remote/error"
"github.com/cloudskiff/driftctl/pkg/remote/deserializer"
"github.com/cloudskiff/driftctl/pkg/resource"
resourceaws "github.com/cloudskiff/driftctl/pkg/resource/aws"
awsdeserializer "github.com/cloudskiff/driftctl/pkg/resource/aws/deserializer"
"github.com/cloudskiff/driftctl/pkg/terraform"
"github.com/aws/aws-sdk-go/aws"
"github.com/aws/aws-sdk-go/service/ec2"
"github.com/aws/aws-sdk-go/service/ec2/ec2iface"
"github.com/sirupsen/logrus"
"github.com/zclconf/go-cty/cty"
)
type EC2EbsVolumeSupplier struct {
reader terraform.ResourceReader
deserializer deserializer.CTYDeserializer
client ec2iface.EC2API
runner *terraform.ParallelResourceReader
}
func NewEC2EbsVolumeSupplier(provider *AWSTerraformProvider) *EC2EbsVolumeSupplier {
return &EC2EbsVolumeSupplier{
provider,
awsdeserializer.NewEC2EbsVolumeDeserializer(),
ec2.New(provider.session),
terraform.NewParallelResourceReader(provider.Runner().SubRunner()),
}
}
func (s EC2EbsVolumeSupplier) Resources() ([]resource.Resource, error) {
volumes, err := listVolumes(s.client)
if err != nil {
return nil, remoteerror.NewResourceEnumerationError(err, resourceaws.AwsEbsVolumeResourceType)
}
results := make([]cty.Value, 0)
if len(volumes) > 0 {
for _, volume := range volumes {
vol := *volume
s.runner.Run(func() (cty.Value, error) {
return s.readEbsVolume(vol)
})
}
results, err = s.runner.Wait()
if err != nil {
return nil, err
}
}
return s.deserializer.Deserialize(results)
}
func (s EC2EbsVolumeSupplier) readEbsVolume(volume ec2.Volume) (cty.Value, error) {
id := aws.StringValue(volume.VolumeId)
resVolume, err := s.reader.ReadResource(terraform.ReadResourceArgs{
Ty: resourceaws.AwsEbsVolumeResourceType,
ID: id,
})
if err != nil {
logrus.Warnf("Error reading volume %s[%s]: %+v", id, resourceaws.AwsEbsVolumeResourceType, err)
return cty.NilVal, err
}
return *resVolume, nil
}
func listVolumes(client ec2iface.EC2API) ([]*ec2.Volume, error) {
var volumes []*ec2.Volume
input := &ec2.DescribeVolumesInput{}
err := client.DescribeVolumesPages(input, func(res *ec2.DescribeVolumesOutput, lastPage bool) bool {
volumes = append(volumes, res.Volumes...)
return !lastPage
})
if err != nil {
return nil, err
}
return volumes, nil
}