CloudMigrations: Query GMS for a presigned upload url at upload time (#90505)

query GMS for an upload url at upload time

pkg/services/cloudmigration/model.go

@@ -38,7 +38,6 @@ type CloudMigrationSnapshot struct {
 	SessionUID     string `xorm:"session_uid"`
 	Status         SnapshotStatus
 	EncryptionKey  string `xorm:"encryption_key"` // stored in the unified secrets table
-	UploadURL      string `xorm:"upload_url"`
 	LocalDir       string `xorm:"local_directory"`
 	GMSSnapshotUID string `xorm:"gms_snapshot_uid"`
 	ErrorString    string `xorm:"error_string"`
@@ -208,7 +207,6 @@ type StartSnapshotResponse struct {
 	SnapshotID           string `json:"snapshotID"`
 	MaxItemsPerPartition uint32 `json:"maxItemsPerPartition"`
 	Algo                 string `json:"algo"`
-	UploadURL            string `json:"uploadURL"`
 	EncryptionKey        string `json:"encryptionKey"`
 }