diff options
Diffstat (limited to 'tests')
| -rw-r--r-- | tests/unittests/test_handler/test_handler_set_hostname.py | 57 |
1 files changed, 53 insertions, 4 deletions
diff --git a/tests/unittests/test_handler/test_handler_set_hostname.py b/tests/unittests/test_handler/test_handler_set_hostname.py index abdc17e7..d09ec23a 100644 --- a/tests/unittests/test_handler/test_handler_set_hostname.py +++ b/tests/unittests/test_handler/test_handler_set_hostname.py @@ -11,6 +11,7 @@ from cloudinit.tests import helpers as t_help from configobj import ConfigObj import logging +import os import shutil from six import BytesIO import tempfile @@ -19,14 +20,18 @@ LOG = logging.getLogger(__name__) class TestHostname(t_help.FilesystemMockingTestCase): + + with_logs = True + def setUp(self): super(TestHostname, self).setUp() self.tmp = tempfile.mkdtemp() + util.ensure_dir(os.path.join(self.tmp, 'data')) self.addCleanup(shutil.rmtree, self.tmp) def _fetch_distro(self, kind): cls = distros.fetch(kind) - paths = helpers.Paths({}) + paths = helpers.Paths({'cloud_dir': self.tmp}) return cls(kind, {}, paths) def test_write_hostname_rhel(self): @@ -34,7 +39,7 @@ class TestHostname(t_help.FilesystemMockingTestCase): 'hostname': 'blah.blah.blah.yahoo.com', } distro = self._fetch_distro('rhel') - paths = helpers.Paths({}) + paths = helpers.Paths({'cloud_dir': self.tmp}) ds = None cc = cloud.Cloud(ds, paths, {}, distro, None) self.patchUtils(self.tmp) @@ -51,7 +56,7 @@ class TestHostname(t_help.FilesystemMockingTestCase): 'hostname': 'blah.blah.blah.yahoo.com', } distro = self._fetch_distro('debian') - paths = helpers.Paths({}) + paths = helpers.Paths({'cloud_dir': self.tmp}) ds = None cc = cloud.Cloud(ds, paths, {}, distro, None) self.patchUtils(self.tmp) @@ -65,7 +70,7 @@ class TestHostname(t_help.FilesystemMockingTestCase): 'hostname': 'blah.blah.blah.suse.com', } distro = self._fetch_distro('sles') - paths = helpers.Paths({}) + paths = helpers.Paths({'cloud_dir': self.tmp}) ds = None cc = cloud.Cloud(ds, paths, {}, distro, None) self.patchUtils(self.tmp) @@ -74,4 +79,48 @@ class TestHostname(t_help.FilesystemMockingTestCase): contents = util.load_file(distro.hostname_conf_fn) self.assertEqual('blah', contents.strip()) + def test_multiple_calls_skips_unchanged_hostname(self): + """Only new hostname or fqdn values will generate a hostname call.""" + distro = self._fetch_distro('debian') + paths = helpers.Paths({'cloud_dir': self.tmp}) + ds = None + cc = cloud.Cloud(ds, paths, {}, distro, None) + self.patchUtils(self.tmp) + cc_set_hostname.handle( + 'cc_set_hostname', {'hostname': 'hostname1.me.com'}, cc, LOG, []) + contents = util.load_file("/etc/hostname") + self.assertEqual('hostname1', contents.strip()) + cc_set_hostname.handle( + 'cc_set_hostname', {'hostname': 'hostname1.me.com'}, cc, LOG, []) + self.assertIn( + 'DEBUG: No hostname changes. Skipping set-hostname\n', + self.logs.getvalue()) + cc_set_hostname.handle( + 'cc_set_hostname', {'hostname': 'hostname2.me.com'}, cc, LOG, []) + contents = util.load_file("/etc/hostname") + self.assertEqual('hostname2', contents.strip()) + self.assertIn( + 'Non-persistently setting the system hostname to hostname2', + self.logs.getvalue()) + + def test_error_on_distro_set_hostname_errors(self): + """Raise SetHostnameError on exceptions from distro.set_hostname.""" + distro = self._fetch_distro('debian') + + def set_hostname_error(hostname, fqdn): + raise Exception("OOPS on: %s" % fqdn) + + distro.set_hostname = set_hostname_error + paths = helpers.Paths({'cloud_dir': self.tmp}) + ds = None + cc = cloud.Cloud(ds, paths, {}, distro, None) + self.patchUtils(self.tmp) + with self.assertRaises(cc_set_hostname.SetHostnameError) as ctx_mgr: + cc_set_hostname.handle( + 'somename', {'hostname': 'hostname1.me.com'}, cc, LOG, []) + self.assertEqual( + 'Failed to set the hostname to hostname1.me.com (hostname1):' + ' OOPS on: hostname1.me.com', + str(ctx_mgr.exception)) + # vi: ts=4 expandtab |