116 lines
3.3 KiB
Go
116 lines
3.3 KiB
Go
package aws
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import (
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"github.com/aws/aws-sdk-go/service/ec2"
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"github.com/aws/aws-sdk-go/service/ec2/ec2iface"
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remoteerror "github.com/cloudskiff/driftctl/pkg/remote/error"
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"github.com/cloudskiff/driftctl/pkg/remote/deserializer"
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"github.com/cloudskiff/driftctl/pkg/resource/aws"
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awsdeserializer "github.com/cloudskiff/driftctl/pkg/resource/aws/deserializer"
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"github.com/zclconf/go-cty/cty"
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"github.com/cloudskiff/driftctl/pkg/resource"
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"github.com/cloudskiff/driftctl/pkg/terraform"
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"github.com/sirupsen/logrus"
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)
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type SubnetSupplier struct {
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reader terraform.ResourceReader
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defaultSubnetDeserializer deserializer.CTYDeserializer
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subnetDeserializer deserializer.CTYDeserializer
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client ec2iface.EC2API
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defaultSubnetRunner *terraform.ParallelResourceReader
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subnetRunner *terraform.ParallelResourceReader
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}
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func NewSubnetSupplier(provider *TerraformProvider) *SubnetSupplier {
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return &SubnetSupplier{
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provider,
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awsdeserializer.NewDefaultSubnetDeserializer(),
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awsdeserializer.NewSubnetDeserializer(),
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ec2.New(provider.session),
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terraform.NewParallelResourceReader(provider.Runner().SubRunner()),
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terraform.NewParallelResourceReader(provider.Runner().SubRunner()),
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}
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}
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func (s SubnetSupplier) Resources() ([]resource.Resource, error) {
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input := ec2.DescribeSubnetsInput{}
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var subnets []*ec2.Subnet
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var defaultSubnets []*ec2.Subnet
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err := s.client.DescribeSubnetsPages(&input,
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func(resp *ec2.DescribeSubnetsOutput, lastPage bool) bool {
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for _, subnet := range resp.Subnets {
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if subnet.DefaultForAz != nil && *subnet.DefaultForAz {
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defaultSubnets = append(defaultSubnets, subnet)
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continue
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}
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subnets = append(subnets, subnet)
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}
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return !lastPage
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},
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)
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if err != nil {
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return nil, remoteerror.NewResourceEnumerationError(err, aws.AwsSubnetResourceType)
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}
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for _, item := range subnets {
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res := *item
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s.subnetRunner.Run(func() (cty.Value, error) {
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return s.readSubnet(res)
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})
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}
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for _, item := range defaultSubnets {
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res := *item
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s.defaultSubnetRunner.Run(func() (cty.Value, error) {
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return s.readSubnet(res)
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})
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}
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// Retrieve results from terraform provider
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defaultSubnetResources, err := s.defaultSubnetRunner.Wait()
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if err != nil {
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return nil, err
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}
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subnetResources, err := s.subnetRunner.Wait()
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if err != nil {
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return nil, err
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}
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// Deserialize
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deserializedDefaultSubnets, err := s.defaultSubnetDeserializer.Deserialize(defaultSubnetResources)
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if err != nil {
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return nil, err
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}
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deserializedSubnets, err := s.subnetDeserializer.Deserialize(subnetResources)
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if err != nil {
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return nil, err
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}
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resources := make([]resource.Resource, 0, len(subnetResources)+len(deserializedDefaultSubnets))
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resources = append(resources, deserializedDefaultSubnets...)
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resources = append(resources, deserializedSubnets...)
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return resources, nil
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}
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func (s SubnetSupplier) readSubnet(subnet ec2.Subnet) (cty.Value, error) {
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var Ty resource.ResourceType = aws.AwsSubnetResourceType
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if subnet.DefaultForAz != nil && *subnet.DefaultForAz {
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Ty = aws.AwsDefaultSubnetResourceType
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}
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val, err := s.reader.ReadResource(terraform.ReadResourceArgs{
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ID: *subnet.SubnetId,
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Ty: Ty,
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})
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if err != nil {
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logrus.Error(err)
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return cty.NilVal, err
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}
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return *val, nil
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}
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