From 03adbe23d36633e5c3f797f3a4538e4cd96d60ed Mon Sep 17 00:00:00 2001
From: Dan Bond <danbond@protonmail.com>
Date: Wed, 10 May 2023 15:28:40 +0100
Subject: [PATCH] correctly check if metadata file does not exist

Signed-off-by: Dan Bond <danbond@protonmail.com>
---
 agent/agent.go | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/agent/agent.go b/agent/agent.go
index b30d37c84a16..8851c7ac7d3c 100644
--- a/agent/agent.go
+++ b/agent/agent.go
@@ -7,6 +7,7 @@ import (
 	"context"
 	"crypto/tls"
 	"encoding/json"
+	"errors"
 	"fmt"
 	"io"
 	"net"
@@ -4588,7 +4589,7 @@ func (a *Agent) checkServerLastSeen() error {
 	md, err := consul.ReadServerMetadata(filename)
 	if err != nil {
 		// Return early if it doesn't as this indicates the server is starting for the first time.
-		if err == os.ErrNotExist {
+		if errors.Is(err, os.ErrNotExist) {
 			return nil
 		}
 		return fmt.Errorf("error reading server metadata: %w", err)