60 lines
1.9 KiB
Go
60 lines
1.9 KiB
Go
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package middlewares
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import (
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"github.com/cloudskiff/driftctl/pkg/resource"
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"github.com/cloudskiff/driftctl/pkg/resource/aws"
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"github.com/sirupsen/logrus"
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)
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type AwsNatGatewayEipAssoc struct{}
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func NewAwsNatGatewayEipAssoc() AwsNatGatewayEipAssoc {
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return AwsNatGatewayEipAssoc{}
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}
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// When creating a nat gateway, we associate an EIP to the gateway
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// It implies that driftctl read a aws_eip_association resource from remote
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// As we cannot use aws_eip_association in terraform to assign an eip to an aws_nat_gateway
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// we should remove this association to ensure we do not output noise in unmanaged resources
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func (a AwsNatGatewayEipAssoc) Execute(remoteResources, resourcesFromState *[]resource.Resource) error {
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newRemoteResources := make([]resource.Resource, 0, len(*remoteResources))
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for _, remoteResource := range *remoteResources {
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// Ignore all resources other than aws_eip_association
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if remoteResource.TerraformType() != aws.AwsEipAssociationResourceType {
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newRemoteResources = append(newRemoteResources, remoteResource)
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continue
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}
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eipAssoc, _ := remoteResource.(*aws.AwsEipAssociation)
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isAssociatedToNatGateway := false
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// Search for a nat gateway associated with our EIP
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for _, res := range *remoteResources {
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if res.TerraformType() == aws.AwsNatGatewayResourceType {
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gateway, _ := res.(*aws.AwsNatGateway)
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if gateway.AllocationId != nil &&
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eipAssoc.AllocationId != nil &&
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*gateway.AllocationId == *eipAssoc.AllocationId {
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isAssociatedToNatGateway = true
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break
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}
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}
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}
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if isAssociatedToNatGateway {
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logrus.WithFields(logrus.Fields{
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"id": remoteResource.TerraformId(),
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"type": remoteResource.TerraformType(),
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}).Debug("Ignoring aws_eip_association as it is associated to a nat gateway")
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continue
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}
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newRemoteResources = append(newRemoteResources, eipAssoc)
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}
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*remoteResources = newRemoteResources
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return nil
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}
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