driftctl/pkg/remote/aws/ec2_ami_supplier.go

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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 EC2AmiSupplier struct {
reader terraform.ResourceReader
deserializer deserializer.CTYDeserializer
client ec2iface.EC2API
runner *terraform.ParallelResourceReader
}
func NewEC2AmiSupplier(provider *TerraformProvider) *EC2AmiSupplier {
return &EC2AmiSupplier{
provider,
awsdeserializer.NewEC2AmiDeserializer(),
ec2.New(provider.session),
terraform.NewParallelResourceReader(provider.Runner().SubRunner()),
}
}
func (s EC2AmiSupplier) Resources() ([]resource.Resource, error) {
input := &ec2.DescribeImagesInput{
Owners: []*string{
aws.String("self"),
},
}
response, err := s.client.DescribeImages(input)
if err != nil {
return nil, remoteerror.NewResourceEnumerationError(err, resourceaws.AwsAmiResourceType)
}
results := make([]cty.Value, 0)
if len(response.Images) > 0 {
for _, image := range response.Images {
id := aws.StringValue(image.ImageId)
s.runner.Run(func() (cty.Value, error) {
return s.readAMI(id)
})
}
results, err = s.runner.Wait()
if err != nil {
return nil, err
}
}
return s.deserializer.Deserialize(results)
}
func (s EC2AmiSupplier) readAMI(id string) (cty.Value, error) {
resImage, err := s.reader.ReadResource(terraform.ReadResourceArgs{
Ty: resourceaws.AwsAmiResourceType,
ID: id,
})
if err != nil {
logrus.Warnf("Error reading image %s[%s]: %+v", id, resourceaws.AwsAmiResourceType, err)
return cty.NilVal, err
}
return *resImage, nil
}