ci/cli: fix ssh client config

Don't use known_hosts file, could lead to sporadic issues when the ssh
keys are changed.

Signed-off-by: Loic Devulder <ldevulder@suse.com>

tests/assets/ssh_config

@@ -0,0 +1,7 @@
+RequestTTY auto
+BatchMode no
+HostbasedAuthentication no
+CheckHostIP no
+StrictHostKeyChecking no
+TCPKeepAlive yes
+LogLevel QUIET

tests/e2e/configure_test.go

@@ -50,6 +50,22 @@ var _ = Describe("E2E - Configure test", Label("configure"), func() {
 			},
 		}
 
+		By("Configuring SSH client", func() {
+			home := os.Getenv("HOME")
+
+			err := exec.Command("mkdir", "-p", home+"/.ssh").Run()
+			Expect(err).To(Not(HaveOccurred()))
+
+			err = exec.Command("chmod", "700", home+"/.ssh").Run()
+			Expect(err).To(Not(HaveOccurred()))
+
+			err = exec.Command("cp", sshConfigFile, home+"/.ssh/config").Run()
+			Expect(err).To(Not(HaveOccurred()))
+
+			err = exec.Command("chmod", "600", home+"/.ssh/config").Run()
+			Expect(err).To(Not(HaveOccurred()))
+		})
+
 		By("Creating a cluster", func() {
 			// Create Yaml file
 			for _, p := range basePatterns {

tests/e2e/suite_test.go

@@ -51,6 +51,7 @@ const (
 	numberOfNodesMax      = 30
 	resetMachineInv       = "../assets/reset_machine_inventory.yaml"
 	restoreYaml           = "../assets/restore.yaml"
+	sshConfigFile         = "../assets/ssh_config"
 	upgradeSkelYaml       = "../assets/upgrade_skel.yaml"
 	userName              = "root"
 	userPassword          = "r0s@pwd1"