driftctl/pkg/remote/aws/ec2_eip_supplier.go

71 lines
2.0 KiB
Go

package aws
import (
"github.com/cloudskiff/driftctl/pkg"
"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 EC2EipSupplier struct {
reader terraform.ResourceReader
deserializer deserializer.CTYDeserializer
client ec2iface.EC2API
runner *terraform.ParallelResourceReader
}
func NewEC2EipSupplier(runner *pkg.ParallelRunner, client ec2iface.EC2API) *EC2EipSupplier {
return &EC2EipSupplier{terraform.Provider(terraform.AWS), awsdeserializer.NewEC2EipDeserializer(), client, terraform.NewParallelResourceReader(runner)}
}
func (s EC2EipSupplier) Resources() ([]resource.Resource, error) {
addresses, err := listAddresses(s.client)
if err != nil {
return nil, err
}
results := make([]cty.Value, 0)
if len(addresses) > 0 {
for _, address := range addresses {
addr := *address
s.runner.Run(func() (cty.Value, error) {
return s.readEIP(addr)
})
}
results, err = s.runner.Wait()
if err != nil {
return nil, err
}
}
return s.deserializer.Deserialize(results)
}
func (s EC2EipSupplier) readEIP(address ec2.Address) (cty.Value, error) {
id := aws.StringValue(address.AllocationId)
resAddress, err := s.reader.ReadResource(terraform.ReadResourceArgs{
Ty: resourceaws.AwsEipResourceType,
ID: id,
})
if err != nil {
logrus.Warnf("Error reading eip %s[%s]: %+v", id, resourceaws.AwsEipResourceType, err)
return cty.NilVal, err
}
return *resAddress, nil
}
func listAddresses(client ec2iface.EC2API) ([]*ec2.Address, error) {
input := &ec2.DescribeAddressesInput{}
response, err := client.DescribeAddresses(input)
if err != nil {
return nil, err
}
return response.Addresses, nil
}