Test for check of HostKeyAlgorithms option in ssh_config

Test checks that HostKeyAlgorithms is not present in
/etc/ssh/ssh_config after client install with option
-ssh-trust-dns.

https://pagure.io/freeipa/issue/8082

Signed-off-by: Kaleemullah Siddiqui <ksiddiqu@redhat.com>
Reviewed-By: Mohammad Rizwan Yusuf <myusuf@redhat.com>

ipatests/test_integration/test_installation_client.py

@@ -0,0 +1,36 @@
+#
+# Copyright (C) 2020  FreeIPA Contributors see COPYING for license
+#
+
+"""
+Module provides tests for various options of ipa-client-install.
+"""
+
+from __future__ import absolute_import
+
+from ipatests.test_integration.base import IntegrationTest
+from ipatests.pytest_ipa.integration import tasks
+
+
+class TestInstallClient(IntegrationTest):
+    num_clients = 1
+
+    @classmethod
+    def install(cls, mh):
+        tasks.install_master(cls.master, setup_dns=True)
+
+    def test_client_install_with_ssh_trust_dns(self):
+        """no host key verification if ssh-trust-dns option is used
+
+        There will be no prompt of host key verificaiton during ssh
+        to IPA enrolled machines if ssh-trust-dns option is used during
+        ipa-client-install. This was broken for FIPS env which got fixed.
+        Test checks for non-existence of param HostKeyAlgorithms in
+        ssh_config after client-install.
+
+        related: https://pagure.io/freeipa/issue/8082
+        """
+        tasks.install_client(self.master, self.clients[0],
+                             extra_args=['--ssh-trust-dns'])
+        result = self.clients[0].run_command(['cat', '/etc/ssh/ssh_config'])
+        assert 'HostKeyAlgorithms' not in result.stdout_text