From a3c1fe0a1491185f90e6a66eba0e72d6a2ae2c74 Mon Sep 17 00:00:00 2001
From: Vadym Popov <vadym.popov@goteleport.com>
Date: Thu, 5 Dec 2024 18:50:29 -0600
Subject: [PATCH] Temporary fix major version check for v18 (#49851)

---
 lib/auth/init.go    |  2 +-
 lib/auth/version.go | 12 ------------
 2 files changed, 1 insertion(+), 13 deletions(-)

diff --git a/lib/auth/init.go b/lib/auth/init.go
index 10987111ba6e1..61bb8cba0e447 100644
--- a/lib/auth/init.go
+++ b/lib/auth/init.go
@@ -389,7 +389,7 @@ func initCluster(ctx context.Context, cfg InitConfig, asrv *Server) error {
 	if err != nil {
 		return trace.Wrap(err)
 	}
-	if err := validateAndUpdateTeleportVersion(ctx, cfg.VersionStorage, teleport.SemVersion, firstStart); err != nil {
+	if err := validateAndUpdateTeleportVersion(ctx, cfg.VersionStorage, teleport.SemVersion); err != nil {
 		return trace.Wrap(err)
 	}
 
diff --git a/lib/auth/version.go b/lib/auth/version.go
index 85c52f63e99c8..20af1eb36662e 100644
--- a/lib/auth/version.go
+++ b/lib/auth/version.go
@@ -38,7 +38,6 @@ func validateAndUpdateTeleportVersion(
 	ctx context.Context,
 	storage VersionStorage,
 	currentVersion *semver.Version,
-	firstTimeStart bool,
 ) error {
 	if skip := os.Getenv(skipVersionUpgradeCheckEnv); skip != "" {
 		return nil
@@ -46,17 +45,6 @@ func validateAndUpdateTeleportVersion(
 
 	lastKnownVersion, err := storage.GetTeleportVersion(ctx)
 	if trace.IsNotFound(err) {
-		// When this is not the first start, we have to ensure that previous versions,
-		// introduced before this check, were also verified. Therefore, not having a version
-		// in the database means the last known version is <v17.
-		if !firstTimeStart {
-			return trace.BadParameter("Unsupported upgrade path detected: to %v. "+
-				"Teleport supports direct upgrades to the next major version only.\n "+
-				"For instance, if you have version 15.x.x, you must upgrade to version 16.x.x first. "+
-				"See compatibility guarantees for details: "+
-				"https://goteleport.com/docs/upgrading/overview/#component-compatibility.",
-				currentVersion.String())
-		}
 		if err := storage.WriteTeleportVersion(ctx, currentVersion); err != nil {
 			return trace.Wrap(err)
 		}