main.go

package main

import (
	"context"
	"flag"
	"log"

	"github.com/hashicorp/terraform-plugin-framework/providerserver"
	"github.com/hashicorp/terraform-plugin-go/tfprotov6"
	"github.com/hashicorp/terraform-plugin-go/tfprotov6/tf6server"
	"github.com/hashicorp/terraform-plugin-mux/tf5to6server"
	"github.com/hashicorp/terraform-plugin-mux/tf6muxserver"

	"github.com/ionos-cloud/terraform-provider-ionoscloud/v6/internal/framework/provider"
	"github.com/ionos-cloud/terraform-provider-ionoscloud/v6/ionoscloud"
)

func main() {

	var debugMode bool

	// set this to true to enable cli debugging your provider, by running headless and setting TF_REATTACH_PROVIDERS on the terraform terminal
	// this will enable you to debug when running plans from cli.
	flag.BoolVar(&debugMode, "debuggable", false, "set to true to run the provider with support for debuggers like delve/goland")
	flag.Parse()
	// log levels need to be shown correctly in terraform when enabling TF_LOG
	log.SetFlags(log.Flags() &^ (log.Ldate | log.Ltime))

	// / tfproto6
	ctx := context.Background()
	upgradedSdkServer, err := tf5to6server.UpgradeServer(
		ctx,
		ionoscloud.Provider().GRPCProvider, // Example terraform-plugin-sdk provider
	)
	if err != nil {
		log.Fatal(err)
	}

	providers := []func() tfprotov6.ProviderServer{
		providerserver.NewProtocol6(provider.New()), // Example terraform-plugin-framework provider
		func() tfprotov6.ProviderServer {
			return upgradedSdkServer
		},
	}

	muxServer, err := tf6muxserver.NewMuxServer(ctx, providers...)

	if err != nil {
		log.Fatal(err)
	}

	var serveOpts []tf6server.ServeOpt

	if debugMode {
		serveOpts = append(serveOpts, tf6server.WithManagedDebug())
	}

	err = tf6server.Serve(
		"registry.terraform.io/ionos-cloud/ionoscloud",
		muxServer.ProviderServer,
		serveOpts...,
	)

	if err != nil {
		log.Fatal(err)
	}
}