91 lines
2.6 KiB
Go
91 lines
2.6 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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"github.com/cloudskiff/driftctl/pkg/remote/deserializer"
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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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awsdeserializer "github.com/cloudskiff/driftctl/pkg/resource/aws/deserializer"
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"github.com/cloudskiff/driftctl/pkg/terraform"
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"github.com/hashicorp/terraform/flatmap"
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"github.com/sirupsen/logrus"
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"github.com/zclconf/go-cty/cty"
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)
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type RouteSupplier struct {
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reader terraform.ResourceReader
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routeDeserializer deserializer.CTYDeserializer
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client ec2iface.EC2API
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routeRunner *terraform.ParallelResourceReader
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}
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func NewRouteSupplier(provider *AWSTerraformProvider) *RouteSupplier {
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return &RouteSupplier{
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provider,
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awsdeserializer.NewRouteDeserializer(),
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ec2.New(provider.session),
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terraform.NewParallelResourceReader(provider.Runner().SubRunner()),
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}
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}
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func (s RouteSupplier) Resources() ([]resource.Resource, error) {
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routeTables, err := listRouteTables(s.client, aws.AwsRouteResourceType)
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if err != nil {
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return nil, err
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}
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for _, routeTable := range routeTables {
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table := *routeTable
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for _, route := range table.Routes {
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res := *route
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s.routeRunner.Run(func() (cty.Value, error) {
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return s.readRoute(*table.RouteTableId, res)
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})
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}
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}
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routeResources, err := s.routeRunner.Wait()
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if err != nil {
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return nil, err
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}
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deserializedRoutes, err := s.routeDeserializer.Deserialize(routeResources)
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if err != nil {
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return nil, err
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}
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return deserializedRoutes, nil
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}
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func (s RouteSupplier) readRoute(tableId string, route ec2.Route) (cty.Value, error) {
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var Ty resource.ResourceType = aws.AwsRouteResourceType
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attributes := map[string]interface{}{
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"route_table_id": tableId,
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}
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if route.DestinationCidrBlock != nil && *route.DestinationCidrBlock != "" {
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attributes["destination_cidr_block"] = *route.DestinationCidrBlock
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}
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if route.DestinationIpv6CidrBlock != nil && *route.DestinationIpv6CidrBlock != "" {
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attributes["destination_ipv6_cidr_block"] = *route.DestinationIpv6CidrBlock
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}
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// We can ignore error there as remote will always return us a valid route
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routeId, _ := aws.CalculateRouteID(&tableId, route.DestinationCidrBlock, route.DestinationIpv6CidrBlock)
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val, err := s.reader.ReadResource(terraform.ReadResourceArgs{
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ID: routeId,
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Ty: Ty,
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Attributes: flatmap.Flatten(attributes),
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})
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if err != nil {
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logrus.WithFields(logrus.Fields{
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"type": Ty,
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}).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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