From 6a504485a682da74c4137fd29aba7b348615e652 Mon Sep 17 00:00:00 2001
From: YZ775 <yuzuki-mimura@cybozu.co.jp>
Date: Mon, 6 Jan 2025 04:48:16 +0000
Subject: [PATCH] Enabling etcd data corruption detection

---
 op/etcd/common.go | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/op/etcd/common.go b/op/etcd/common.go
index 894c43bee..251505cbc 100644
--- a/op/etcd/common.go
+++ b/op/etcd/common.go
@@ -68,6 +68,11 @@ func BuiltInParams(node *cke.Node, initialCluster []string, state string) cke.Se
 		// https://groups.google.com/a/kubernetes.io/g/dev/c/B7gJs88XtQc/m/rSgNOzV2BwAJ
 		// This flag can detect an inconsistency.
 		"--experimental-initial-corrupt-check",
+
+		// Enabling data corruption detection
+		// https://etcd.io/docs/v3.5/op-guide/data_corruption/
+		"--experimental-compact-hash-check-enabled=true",
+		"--experimental-corrupt-check-time=3h",
 	}
 	if len(initialCluster) > 0 {
 		args = append(args,