88 lines
2.5 KiB
Go
88 lines
2.5 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 EC2InstanceSupplier struct {
|
|
reader terraform.ResourceReader
|
|
deserializer deserializer.CTYDeserializer
|
|
client ec2iface.EC2API
|
|
runner *terraform.ParallelResourceReader
|
|
}
|
|
|
|
func NewEC2InstanceSupplier(provider *TerraformProvider) *EC2InstanceSupplier {
|
|
return &EC2InstanceSupplier{
|
|
provider,
|
|
awsdeserializer.NewEC2InstanceDeserializer(),
|
|
ec2.New(provider.session),
|
|
terraform.NewParallelResourceReader(provider.Runner().SubRunner()),
|
|
}
|
|
}
|
|
|
|
func (s EC2InstanceSupplier) Resources() ([]resource.Resource, error) {
|
|
instances, err := listInstances(s.client)
|
|
if err != nil {
|
|
return nil, remoteerror.NewResourceEnumerationError(err, resourceaws.AwsInstanceResourceType)
|
|
}
|
|
|
|
results := make([]cty.Value, 0)
|
|
if len(instances) > 0 {
|
|
for _, instance := range instances {
|
|
id := aws.StringValue(instance.InstanceId)
|
|
s.runner.Run(func() (cty.Value, error) {
|
|
return s.readInstance(id)
|
|
})
|
|
}
|
|
results, err = s.runner.Wait()
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
}
|
|
return s.deserializer.Deserialize(results)
|
|
}
|
|
|
|
func (s EC2InstanceSupplier) readInstance(id string) (cty.Value, error) {
|
|
resInstance, err := s.reader.ReadResource(terraform.ReadResourceArgs{
|
|
Ty: resourceaws.AwsInstanceResourceType,
|
|
ID: id,
|
|
})
|
|
if err != nil {
|
|
logrus.Warnf("Error reading instance %s: %+v", id, err)
|
|
return cty.NilVal, err
|
|
}
|
|
if resInstance.IsNull() {
|
|
logrus.WithFields(logrus.Fields{
|
|
"id": id,
|
|
}).Debug("Instance read returned nil (instance may be terminated), ignoring ...")
|
|
}
|
|
return *resInstance, nil
|
|
}
|
|
|
|
func listInstances(client ec2iface.EC2API) ([]*ec2.Instance, error) {
|
|
var instances []*ec2.Instance
|
|
input := &ec2.DescribeInstancesInput{}
|
|
err := client.DescribeInstancesPages(input, func(res *ec2.DescribeInstancesOutput, lastPage bool) bool {
|
|
for _, reservation := range res.Reservations {
|
|
instances = append(instances, reservation.Instances...)
|
|
}
|
|
return !lastPage
|
|
})
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
return instances, nil
|
|
}
|