Sites: handle OAC exist error

pkg/server/resource/aws-origin-access-control.go

@@ -1,7 +1,9 @@
 package resource
 
 import (
+	"errors"
 	"log/slog"
+	"math/rand"
 
 	"github.com/aws/aws-sdk-go-v2/aws"
 	"github.com/aws/aws-sdk-go-v2/service/cloudfront"
@@ -19,6 +21,31 @@ type OriginAccessControlInputs struct {
 type OriginAccessControlOutputs struct {
 }
 
+func (r *OriginAccessControl) Read(input *DeleteInput[OriginAccessControlOutputs], output *ReadResult[OriginAccessControlOutputs]) error {
+	cfg, err := r.config()
+	if err != nil {
+		return err
+	}
+	cf := cloudfront.NewFromConfig(cfg)
+
+	resp, err := cf.GetOriginAccessControl(r.context, &cloudfront.GetOriginAccessControlInput{
+		Id: aws.String(input.ID),
+	})
+	if err != nil {
+		var alreadyExistsErr *types.NoSuchOriginAccessControl
+		if errors.As(err, &alreadyExistsErr) {
+			*output = ReadResult[OriginAccessControlOutputs]{}
+			return nil
+		}
+		return err
+	}
+
+	*output = ReadResult[OriginAccessControlOutputs]{
+		ID: *resp.OriginAccessControl.Id,
+		Outs: OriginAccessControlOutputs{},
+	}
+	return nil
+}
 func (r *OriginAccessControl) Create(input *OriginAccessControlInputs, output *CreateResult[OriginAccessControlOutputs]) error {
 	cfg, err := r.config()
 	if err != nil {
@@ -28,7 +55,7 @@ func (r *OriginAccessControl) Create(input *OriginAccessControlInputs, output *C
 	slog.Info("creating origin access control")
 	resp, err := cf.CreateOriginAccessControl(r.context, &cloudfront.CreateOriginAccessControlInput{
 		OriginAccessControlConfig: &types.OriginAccessControlConfig{
-			Name: 												 aws.String(input.Name),
+			Name: 												 aws.String(generateName(input.Name)),
 			Description:									 aws.String("Created by SST"),
 			OriginAccessControlOriginType: "s3",
 			SigningBehavior:							 "always",
@@ -66,3 +93,19 @@ func (r *OriginAccessControl) Delete(input *DeleteInput[OriginAccessControlOutpu
 	}
 	return nil
 }
+
+func generateName(name string) string {
+	// Truncate the name to 55 characters
+	if len(name) > 55 {
+		name = name[:55]
+	}
+
+	// Append a random 8 character
+	const charset = "abcdefghijklmnopqrstuvwxyz0123456789"
+	result := make([]byte, 8)
+	for i := range result {
+		result[i] = charset[rand.Intn(len(charset))]
+	}
+
+	return name + "-" + string(result)
+}

pkg/server/resource/resource.go

@@ -10,6 +10,15 @@ import (
 	"github.com/sst/ion/pkg/project/provider"
 )
 
+type ReadInput[T any] struct {
+	ID   string `json:"id"`
+}
+
+type ReadResult[T any] struct {
+	ID   string `json:"id"`
+	Outs T      `json:"outs"`
+}
+
 type CreateResult[T any] struct {
 	ID   string `json:"id"`
 	Outs T      `json:"outs"`