From d32fd694c7424ab4ff4f98ca1799a141f8aebbc7 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=D0=A2=D0=BE=D0=B2=D0=B0=D1=80=D0=B8=D1=89=20=D0=BF=D1=80?=
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 <2962928213@qq.com>
Date: Sun, 23 Jul 2023 22:36:41 +0800
Subject: [PATCH] fix: clearing .ssh/known_hosts in cleanup of test environment

---
 hack/jenkins/cron/cleanup_and_reboot_Linux.sh | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/hack/jenkins/cron/cleanup_and_reboot_Linux.sh b/hack/jenkins/cron/cleanup_and_reboot_Linux.sh
index 462fd0274b..280da39577 100755
--- a/hack/jenkins/cron/cleanup_and_reboot_Linux.sh
+++ b/hack/jenkins/cron/cleanup_and_reboot_Linux.sh
@@ -51,6 +51,10 @@ function cleanup() {
 			fi
 		fi
 		sudo killall --user "${user}" minikube >/dev/null 2>&1 || true
+		# clear the known_host file (~/.ssh/known_hosts)
+		if test -f /home/${user}/.ssh/known_hosts; then
+			sudo echo "" > /home/${user}/.ssh/known_hosts
+		fi
 	done
 	# clean docker left overs
 	echo -e "\ncleanup docker..."