driftctl/pkg/remote/aws/db_instance_supplier.go

76 lines
2.1 KiB
Go

package aws
import (
"github.com/cloudskiff/driftctl/pkg/remote/deserializer"
remoteerror "github.com/cloudskiff/driftctl/pkg/remote/error"
"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/service/rds"
"github.com/aws/aws-sdk-go/service/rds/rdsiface"
"github.com/sirupsen/logrus"
"github.com/zclconf/go-cty/cty"
)
type DBInstanceSupplier struct {
reader terraform.ResourceReader
deserializer deserializer.CTYDeserializer
client rdsiface.RDSAPI
runner *terraform.ParallelResourceReader
}
func NewDBInstanceSupplier(provider *TerraformProvider) *DBInstanceSupplier {
return &DBInstanceSupplier{
provider,
awsdeserializer.NewDBInstanceDeserializer(),
rds.New(provider.session),
terraform.NewParallelResourceReader(provider.Runner().SubRunner()),
}
}
func listAwsDBInstances(client rdsiface.RDSAPI) ([]*rds.DBInstance, error) {
var result []*rds.DBInstance
input := &rds.DescribeDBInstancesInput{}
err := client.DescribeDBInstancesPages(input, func(res *rds.DescribeDBInstancesOutput, lastPage bool) bool {
result = append(result, res.DBInstances...)
return !lastPage
})
if err != nil {
return nil, err
}
return result, nil
}
func (s DBInstanceSupplier) Resources() ([]resource.Resource, error) {
resourceList, err := listAwsDBInstances(s.client)
if err != nil {
return nil, remoteerror.NewResourceEnumerationError(err, resourceaws.AwsDbInstanceResourceType)
}
for _, res := range resourceList {
id := *res.DBInstanceIdentifier
s.runner.Run(func() (cty.Value, error) {
completeResource, err := s.reader.ReadResource(terraform.ReadResourceArgs{
Ty: resourceaws.AwsDbInstanceResourceType,
ID: id,
})
if err != nil {
logrus.Warnf("Error reading %s[%s]: %+v", id, resourceaws.AwsDbInstanceResourceType, err)
return cty.NilVal, err
}
return *completeResource, nil
})
}
results, err := s.runner.Wait()
if err != nil {
return nil, err
}
return s.deserializer.Deserialize(results)
}