diff options
-rw-r--r-- | cloudinit/distros/__init__.py | 13 | ||||
-rw-r--r-- | tests/unittests/test_distros/test_create_users.py | 28 |
2 files changed, 37 insertions, 4 deletions
diff --git a/cloudinit/distros/__init__.py b/cloudinit/distros/__init__.py index ef618c28..20c994dc 100644 --- a/cloudinit/distros/__init__.py +++ b/cloudinit/distros/__init__.py @@ -577,11 +577,16 @@ class Distro(object): """ Lock the password of a user, i.e., disable password logins """ + # passwd must use short '-l' due to SLES11 lacking long form '--lock' + lock_tools = (['passwd', '-l', name], ['usermod', '--lock', name]) try: - # Need to use the short option name '-l' instead of '--lock' - # (which would be more descriptive) since SLES 11 doesn't know - # about long names. - util.subp(['passwd', '-l', name]) + cmd = next(l for l in lock_tools if util.which(l[0])) + except StopIteration: + raise RuntimeError(( + "Unable to lock user account '%s'. No tools available. " + " Tried: %s.") % (name, [c[0] for c in lock_tools])) + try: + util.subp(cmd) except Exception as e: util.logexc(LOG, 'Failed to disable password for user %s', name) raise e diff --git a/tests/unittests/test_distros/test_create_users.py b/tests/unittests/test_distros/test_create_users.py index c3f258d5..40624952 100644 --- a/tests/unittests/test_distros/test_create_users.py +++ b/tests/unittests/test_distros/test_create_users.py @@ -240,4 +240,32 @@ class TestCreateUser(CiTestCase): [mock.call(set(['auth1']), user), # not disabled mock.call(set(['key1']), 'foouser', options=disable_prefix)]) + @mock.patch("cloudinit.distros.util.which") + def test_lock_with_usermod_if_no_passwd(self, m_which, m_subp, + m_is_snappy): + """Lock uses usermod --lock if no 'passwd' cmd available.""" + m_which.side_effect = lambda m: m in ('usermod',) + self.dist.lock_passwd("bob") + self.assertEqual( + [mock.call(['usermod', '--lock', 'bob'])], + m_subp.call_args_list) + + @mock.patch("cloudinit.distros.util.which") + def test_lock_with_passwd_if_available(self, m_which, m_subp, + m_is_snappy): + """Lock with only passwd will use passwd.""" + m_which.side_effect = lambda m: m in ('passwd',) + self.dist.lock_passwd("bob") + self.assertEqual( + [mock.call(['passwd', '-l', 'bob'])], + m_subp.call_args_list) + + @mock.patch("cloudinit.distros.util.which") + def test_lock_raises_runtime_if_no_commands(self, m_which, m_subp, + m_is_snappy): + """Lock with no commands available raises RuntimeError.""" + m_which.return_value = None + with self.assertRaises(RuntimeError): + self.dist.lock_passwd("bob") + # vi: ts=4 expandtab |