add test and logic helper monthly migration

Author: Laure-di

internal/services/baremetal/helpers.go

@@ -5,6 +5,8 @@ import (
 	"context"
 	"errors"
 	"fmt"
+	"github.com/scaleway/terraform-provider-scaleway/v2/internal/locality/regional"
+	"github.com/scaleway/terraform-provider-scaleway/v2/internal/logging"
 	"sort"
 	"time"
 
@@ -224,3 +226,46 @@ func privateNetworkSetHash(v interface{}) int {
 
 	return schema.HashString(buf.String())
 }
+
+func customDiffOffer() func(ctx context.Context, diff *schema.ResourceDiff, i interface{}) error {
+	return func(ctx context.Context, diff *schema.ResourceDiff, i interface{}) error {
+		logging.L.Debugf("customDiffOffer() function")
+
+		if diff.Get("offer") == "" || !diff.HasChange("offer") || diff.Id() == "" {
+			return nil
+		}
+		api, zone, err := NewAPIWithZoneAndID(i, diff.Id())
+		logging.L.Debugf("value of api is %v and zone is %v", api, zone)
+		if err != nil {
+			return err
+		}
+
+		oldOffer, newOffer := diff.GetChange("offer")
+		newOfferID := regional.ExpandID(newOffer.(string))
+		oldOfferID := regional.ExpandID(oldOffer.(string))
+		oldOfferDetails, err := FindOfferByID(ctx, api, zone.Zone, oldOfferID.ID)
+		if err != nil {
+			return errors.New("can not find the offer by id" + err.Error())
+		}
+
+		newOfferDetails, err := FindOfferByID(ctx, api, zone.Zone, newOfferID.ID)
+		if err != nil {
+			return errors.New("can not find the offer by id" + err.Error())
+		}
+		if oldOfferDetails.Name != newOfferDetails.Name {
+			return diff.ForceNew("offer")
+		}
+		if oldOfferDetails.SubscriptionPeriod == baremetal.OfferSubscriptionPeriodMonthly && newOfferDetails.SubscriptionPeriod == baremetal.OfferSubscriptionPeriodHourly {
+			return errors.New("invalid plan transition: you cannot transition from a monthly plan to an hourly plan. Only the reverse (hourly to monthly) is supported. Please update your configuration accordingly")
+		}
+		ServerID := regional.ExpandID(diff.Id())
+		_, err = api.MigrateServerToMonthlyOffer(&baremetal.MigrateServerToMonthlyOfferRequest{
+			Zone:     zone.Zone,
+			ServerID: ServerID.ID,
+		}, scw.WithContext(ctx))
+		if err != nil {
+			return errors.New("migration to monthly plan failed: " + err.Error())
+		}
+		return nil
+	}
+}

internal/services/baremetal/server_test.go

@@ -1039,6 +1039,103 @@ func TestAccServer_WithIPAMPrivateNetwork(t *testing.T) {
 	})
 }
 
+func TestAccServer_UpdateSubscriptionPeriod(t *testing.T) {
+	tt := acctest.NewTestTools(t)
+	defer tt.Cleanup()
+
+	//if !IsOfferAvailable(OfferID, "fr-par-2", tt) {
+	//	t.Skip("Offer is out of stock")
+	//}
+
+	resource.ParallelTest(t, resource.TestCase{
+		PreCheck:          func() { acctest.PreCheck(t) },
+		ProviderFactories: tt.ProviderFactories,
+		CheckDestroy: resource.ComposeTestCheckFunc(
+			baremetalchecks.CheckServerDestroy(tt),
+		),
+		Steps: []resource.TestStep{
+			{
+				Config: fmt.Sprintf(`
+					
+					data "scaleway_baremetal_offer" "my_offer" {
+						zone = "fr-par-2"
+						name			 	= "EM-B112X-SSD"
+						subscription_period = "hourly"
+					
+					}
+					
+					resource "scaleway_baremetal_server" "server01" {
+						name		= "TestAccServer_UpdateSubscriptionPeriod"
+						offer 		= data.scaleway_baremetal_offer.my_offer.offer_id
+						zone        = "fr-par-2"
+						install_config_afterward   = true
+					
+					}`,
+				),
+				Check: resource.ComposeTestCheckFunc(
+					resource.TestCheckResourceAttr("scaleway_baremetal_server.server01", "subscription_period", "hourly"),
+					resource.TestCheckResourceAttr("scaleway_baremetal_server.server01", "zone", "fr-par-2"),
+				),
+			},
+			{
+				Config: fmt.Sprintf(`
+					data "scaleway_baremetal_offer" "my_offer" {
+						zone = "fr-par-2"
+						name			 	= "EM-B112X-SSD"
+						subscription_period = "hourly"
+					
+					}
+					
+					data "scaleway_baremetal_offer" "my_offer_monthly" {
+						zone = "fr-par-2"
+						name			 	= "EM-B112X-SSD"
+						subscription_period = "monthly"
+					
+					}
+					
+					resource "scaleway_baremetal_server" "server01" {
+						name		= "TestAccServer_UpdateSubscriptionPeriod"
+						offer 		= data.scaleway_baremetal_offer.my_offer_monthly.offer_id
+						zone        = "fr-par-2"
+						install_config_afterward   = true
+					
+					}`,
+				),
+				Check: resource.ComposeTestCheckFunc(
+					resource.TestCheckResourceAttr("scaleway_baremetal_server.server01", "subscription_period", "hourly"),
+					resource.TestCheckResourceAttr("scaleway_baremetal_server.server01", "zone", "fr-par-2"),
+				),
+			},
+			{
+				Config: fmt.Sprintf(`
+					data "scaleway_baremetal_offer" "my_offer" {
+						zone = "fr-par-2"
+						name 	= "EM-B112X-SSD"
+						subscription_period = "hourly"
+					
+					}
+					data "scaleway_baremetal_offer" "my_offer_monthly" {
+						zone = "fr-par-2"
+						name			 	= "EM-B112X-SSD"
+						subscription_period = "monthly"
+					
+					}
+					
+					resource "scaleway_baremetal_server" "server01" {
+						name 		= "Test_UpdateSubscriptionPeriod"
+						offer 		= data.scaleway_baremetal_offer.my_offer.offer_id
+						zone        = "fr-par-2"
+						install_config_afterward   = true
+					
+					}`,
+				),
+				ExpectError: regexp.MustCompile("invalid plan transition: you cannot transition from a monthly plan to an hourly plan. Only the reverse (hourly to monthly) is supported. Please update your configuration accordingly"),
+			},
+		},
+	})
+
+}
+
 func testAccCheckBaremetalServerExists(tt *acctest.TestTools, n string) resource.TestCheckFunc {
 	return func(s *terraform.State) error {
 		rs, ok := s.RootModule().Resources[n]