root / test / py / cfgupgrade_unittest.py @ 41044e04
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#!/usr/bin/python
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#
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# Copyright (C) 2010, 2012, 2013 Google Inc.
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful, but
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# WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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# 02110-1301, USA.
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"""Script for testing tools/cfgupgrade"""
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import os |
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import sys |
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import unittest |
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import shutil |
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import tempfile |
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import operator |
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from ganeti import constants |
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from ganeti import utils |
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from ganeti import errors |
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from ganeti import serializer |
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from ganeti import netutils |
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import testutils |
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def _RunUpgrade(path, dry_run, no_verify, ignore_hostname=True, |
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downgrade=False):
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cmd = [sys.executable, "%s/tools/cfgupgrade" % testutils.GetSourceDir(),
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"--debug", "--force", "--path=%s" % path, "--confdir=%s" % path] |
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if ignore_hostname:
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cmd.append("--ignore-hostname")
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if dry_run:
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cmd.append("--dry-run")
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if no_verify:
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cmd.append("--no-verify")
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if downgrade:
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cmd.append("--downgrade")
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result = utils.RunCmd(cmd, cwd=os.getcwd()) |
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if result.failed:
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raise Exception("cfgupgrade failed: %s, output %r" % |
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(result.fail_reason, result.output)) |
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class TestCfgupgrade(unittest.TestCase): |
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def setUp(self): |
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self.tmpdir = tempfile.mkdtemp()
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self.config_path = utils.PathJoin(self.tmpdir, "config.data") |
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self.noded_cert_path = utils.PathJoin(self.tmpdir, "server.pem") |
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self.rapi_cert_path = utils.PathJoin(self.tmpdir, "rapi.pem") |
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self.rapi_users_path = utils.PathJoin(self.tmpdir, "rapi", "users") |
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self.rapi_users_path_pre24 = utils.PathJoin(self.tmpdir, "rapi_users") |
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self.known_hosts_path = utils.PathJoin(self.tmpdir, "known_hosts") |
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self.confd_hmac_path = utils.PathJoin(self.tmpdir, "hmac.key") |
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self.cds_path = utils.PathJoin(self.tmpdir, "cluster-domain-secret") |
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self.ss_master_node_path = utils.PathJoin(self.tmpdir, "ssconf_master_node") |
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self.file_storage_paths = utils.PathJoin(self.tmpdir, "file-storage-paths") |
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def tearDown(self): |
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shutil.rmtree(self.tmpdir)
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def _LoadConfig(self): |
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return serializer.LoadJson(utils.ReadFile(self.config_path)) |
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def _LoadTestDataConfig(self, filename): |
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return serializer.LoadJson(testutils.ReadTestData(filename))
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def _CreateValidConfigDir(self): |
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utils.WriteFile(self.noded_cert_path, data="") |
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utils.WriteFile(self.known_hosts_path, data="") |
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utils.WriteFile(self.ss_master_node_path,
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data="node.has.another.name.example.net")
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def testNoConfigDir(self): |
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self.assertFalse(utils.ListVisibleFiles(self.tmpdir)) |
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self.assertRaises(Exception, _RunUpgrade, self.tmpdir, False, True) |
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self.assertRaises(Exception, _RunUpgrade, self.tmpdir, True, True) |
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def testWrongHostname(self): |
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self._CreateValidConfigDir()
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utils.WriteFile(self.config_path, data=serializer.DumpJson({
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"version": constants.CONFIG_VERSION,
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"cluster": {},
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"instances": {},
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"nodegroups": {},
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})) |
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hostname = netutils.GetHostname().name |
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assert hostname != utils.ReadOneLineFile(self.ss_master_node_path) |
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self.assertRaises(Exception, _RunUpgrade, self.tmpdir, False, True, |
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ignore_hostname=False)
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def testCorrectHostname(self): |
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self._CreateValidConfigDir()
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utils.WriteFile(self.config_path, data=serializer.DumpJson({
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"version": constants.CONFIG_VERSION,
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"cluster": {},
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"instances": {},
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"nodegroups": {},
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})) |
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utils.WriteFile(self.ss_master_node_path,
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data="%s\n" % netutils.GetHostname().name)
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_RunUpgrade(self.tmpdir, False, True, ignore_hostname=False) |
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def testInconsistentConfig(self): |
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self._CreateValidConfigDir()
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# There should be no "config_version"
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cfg = {
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"version": 0, |
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"cluster": {
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"config_version": 0, |
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}, |
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"instances": {},
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"nodegroups": {},
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} |
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utils.WriteFile(self.config_path, data=serializer.DumpJson(cfg))
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self.assertRaises(Exception, _RunUpgrade, self.tmpdir, False, True) |
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def testInvalidConfig(self): |
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self._CreateValidConfigDir()
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# Missing version from config
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utils.WriteFile(self.config_path, data=serializer.DumpJson({}))
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self.assertRaises(Exception, _RunUpgrade, self.tmpdir, False, True) |
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def _TestUpgradeFromFile(self, filename, dry_run): |
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cfg = self._LoadTestDataConfig(filename)
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self._TestUpgradeFromData(cfg, dry_run)
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def _TestSimpleUpgrade(self, from_version, dry_run, |
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file_storage_dir=None,
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shared_file_storage_dir=None):
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cluster = {}
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if file_storage_dir:
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cluster["file_storage_dir"] = file_storage_dir
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if shared_file_storage_dir:
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cluster["shared_file_storage_dir"] = shared_file_storage_dir
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cfg = {
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"version": from_version,
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"cluster": cluster,
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"instances": {},
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"nodegroups": {},
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} |
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self._TestUpgradeFromData(cfg, dry_run)
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def _TestUpgradeFromData(self, cfg, dry_run): |
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assert "version" in cfg |
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from_version = cfg["version"]
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self._CreateValidConfigDir()
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utils.WriteFile(self.config_path, data=serializer.DumpJson(cfg))
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self.assertFalse(os.path.isfile(self.rapi_cert_path)) |
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self.assertFalse(os.path.isfile(self.confd_hmac_path)) |
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self.assertFalse(os.path.isfile(self.cds_path)) |
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_RunUpgrade(self.tmpdir, dry_run, True) |
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if dry_run:
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expversion = from_version |
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checkfn = operator.not_ |
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else:
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expversion = constants.CONFIG_VERSION |
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checkfn = operator.truth |
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self.assert_(checkfn(os.path.isfile(self.rapi_cert_path))) |
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self.assert_(checkfn(os.path.isfile(self.confd_hmac_path))) |
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self.assert_(checkfn(os.path.isfile(self.cds_path))) |
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newcfg = self._LoadConfig()
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self.assertEqual(newcfg["version"], expversion) |
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def testRapiUsers(self): |
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self.assertFalse(os.path.exists(self.rapi_users_path)) |
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self.assertFalse(os.path.exists(self.rapi_users_path_pre24)) |
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self.assertFalse(os.path.exists(os.path.dirname(self.rapi_users_path))) |
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utils.WriteFile(self.rapi_users_path_pre24, data="some user\n") |
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self._TestSimpleUpgrade(constants.BuildVersion(2, 3, 0), False) |
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self.assertTrue(os.path.isdir(os.path.dirname(self.rapi_users_path))) |
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self.assert_(os.path.islink(self.rapi_users_path_pre24)) |
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self.assert_(os.path.isfile(self.rapi_users_path)) |
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self.assertEqual(os.readlink(self.rapi_users_path_pre24), |
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self.rapi_users_path)
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for path in [self.rapi_users_path, self.rapi_users_path_pre24]: |
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self.assertEqual(utils.ReadFile(path), "some user\n") |
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def testRapiUsers24AndAbove(self): |
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self.assertFalse(os.path.exists(self.rapi_users_path)) |
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self.assertFalse(os.path.exists(self.rapi_users_path_pre24)) |
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os.mkdir(os.path.dirname(self.rapi_users_path))
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utils.WriteFile(self.rapi_users_path, data="other user\n") |
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self._TestSimpleUpgrade(constants.BuildVersion(2, 3, 0), False) |
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self.assert_(os.path.islink(self.rapi_users_path_pre24)) |
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self.assert_(os.path.isfile(self.rapi_users_path)) |
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self.assertEqual(os.readlink(self.rapi_users_path_pre24), |
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self.rapi_users_path)
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for path in [self.rapi_users_path, self.rapi_users_path_pre24]: |
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self.assertEqual(utils.ReadFile(path), "other user\n") |
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def testRapiUsersExistingSymlink(self): |
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self.assertFalse(os.path.exists(self.rapi_users_path)) |
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self.assertFalse(os.path.exists(self.rapi_users_path_pre24)) |
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os.mkdir(os.path.dirname(self.rapi_users_path))
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os.symlink(self.rapi_users_path, self.rapi_users_path_pre24) |
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utils.WriteFile(self.rapi_users_path, data="hello world\n") |
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self._TestSimpleUpgrade(constants.BuildVersion(2, 2, 0), False) |
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self.assert_(os.path.isfile(self.rapi_users_path) and |
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not os.path.islink(self.rapi_users_path)) |
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self.assert_(os.path.islink(self.rapi_users_path_pre24)) |
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self.assertEqual(os.readlink(self.rapi_users_path_pre24), |
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self.rapi_users_path)
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for path in [self.rapi_users_path, self.rapi_users_path_pre24]: |
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self.assertEqual(utils.ReadFile(path), "hello world\n") |
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def testRapiUsersExistingTarget(self): |
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self.assertFalse(os.path.exists(self.rapi_users_path)) |
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self.assertFalse(os.path.exists(self.rapi_users_path_pre24)) |
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os.mkdir(os.path.dirname(self.rapi_users_path))
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utils.WriteFile(self.rapi_users_path, data="other user\n") |
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utils.WriteFile(self.rapi_users_path_pre24, data="hello world\n") |
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self.assertRaises(Exception, self._TestSimpleUpgrade, |
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constants.BuildVersion(2, 2, 0), False) |
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for path in [self.rapi_users_path, self.rapi_users_path_pre24]: |
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self.assert_(os.path.isfile(path) and not os.path.islink(path)) |
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self.assertEqual(utils.ReadFile(self.rapi_users_path), "other user\n") |
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self.assertEqual(utils.ReadFile(self.rapi_users_path_pre24), |
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"hello world\n")
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def testRapiUsersDryRun(self): |
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self.assertFalse(os.path.exists(self.rapi_users_path)) |
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self.assertFalse(os.path.exists(self.rapi_users_path_pre24)) |
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utils.WriteFile(self.rapi_users_path_pre24, data="some user\n") |
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self._TestSimpleUpgrade(constants.BuildVersion(2, 3, 0), True) |
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self.assertFalse(os.path.isdir(os.path.dirname(self.rapi_users_path))) |
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self.assertTrue(os.path.isfile(self.rapi_users_path_pre24) and |
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not os.path.islink(self.rapi_users_path_pre24)) |
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self.assertFalse(os.path.exists(self.rapi_users_path)) |
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def testRapiUsers24AndAboveDryRun(self): |
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self.assertFalse(os.path.exists(self.rapi_users_path)) |
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self.assertFalse(os.path.exists(self.rapi_users_path_pre24)) |
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os.mkdir(os.path.dirname(self.rapi_users_path))
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utils.WriteFile(self.rapi_users_path, data="other user\n") |
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self._TestSimpleUpgrade(constants.BuildVersion(2, 3, 0), True) |
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self.assertTrue(os.path.isfile(self.rapi_users_path) and |
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not os.path.islink(self.rapi_users_path)) |
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self.assertFalse(os.path.exists(self.rapi_users_path_pre24)) |
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self.assertEqual(utils.ReadFile(self.rapi_users_path), "other user\n") |
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def testRapiUsersExistingSymlinkDryRun(self): |
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self.assertFalse(os.path.exists(self.rapi_users_path)) |
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self.assertFalse(os.path.exists(self.rapi_users_path_pre24)) |
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os.mkdir(os.path.dirname(self.rapi_users_path))
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os.symlink(self.rapi_users_path, self.rapi_users_path_pre24) |
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utils.WriteFile(self.rapi_users_path, data="hello world\n") |
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self._TestSimpleUpgrade(constants.BuildVersion(2, 2, 0), True) |
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self.assertTrue(os.path.islink(self.rapi_users_path_pre24)) |
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self.assertTrue(os.path.isfile(self.rapi_users_path) and |
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not os.path.islink(self.rapi_users_path)) |
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self.assertEqual(os.readlink(self.rapi_users_path_pre24), |
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self.rapi_users_path)
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for path in [self.rapi_users_path, self.rapi_users_path_pre24]: |
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self.assertEqual(utils.ReadFile(path), "hello world\n") |
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def testFileStoragePathsDryRun(self): |
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self.assertFalse(os.path.exists(self.file_storage_paths)) |
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self._TestSimpleUpgrade(constants.BuildVersion(2, 6, 0), True, |
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file_storage_dir=self.tmpdir,
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shared_file_storage_dir="/tmp")
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self.assertFalse(os.path.exists(self.file_storage_paths)) |
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def testFileStoragePathsBoth(self): |
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self.assertFalse(os.path.exists(self.file_storage_paths)) |
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self._TestSimpleUpgrade(constants.BuildVersion(2, 6, 0), False, |
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file_storage_dir=self.tmpdir,
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shared_file_storage_dir="/tmp")
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lines = utils.ReadFile(self.file_storage_paths).splitlines()
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self.assertTrue(lines.pop(0).startswith("# ")) |
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self.assertTrue(lines.pop(0).startswith("# cfgupgrade")) |
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self.assertEqual(lines.pop(0), self.tmpdir) |
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self.assertEqual(lines.pop(0), "/tmp") |
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self.assertFalse(lines)
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self.assertEqual(os.stat(self.file_storage_paths).st_mode & 0777, |
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0600, msg="Wrong permissions") |
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def testFileStoragePathsSharedOnly(self): |
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self.assertFalse(os.path.exists(self.file_storage_paths)) |
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self._TestSimpleUpgrade(constants.BuildVersion(2, 5, 0), False, |
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file_storage_dir=None,
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shared_file_storage_dir=self.tmpdir)
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lines = utils.ReadFile(self.file_storage_paths).splitlines()
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self.assertTrue(lines.pop(0).startswith("# ")) |
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self.assertTrue(lines.pop(0).startswith("# cfgupgrade")) |
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self.assertEqual(lines.pop(0), self.tmpdir) |
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self.assertFalse(lines)
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def testUpgradeFrom_2_0(self): |
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self._TestSimpleUpgrade(constants.BuildVersion(2, 0, 0), False) |
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def testUpgradeFrom_2_1(self): |
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self._TestSimpleUpgrade(constants.BuildVersion(2, 1, 0), False) |
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def testUpgradeFrom_2_2(self): |
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self._TestSimpleUpgrade(constants.BuildVersion(2, 2, 0), False) |
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def testUpgradeFrom_2_3(self): |
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self._TestSimpleUpgrade(constants.BuildVersion(2, 3, 0), False) |
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def testUpgradeFrom_2_4(self): |
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self._TestSimpleUpgrade(constants.BuildVersion(2, 4, 0), False) |
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def testUpgradeFrom_2_5(self): |
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self._TestSimpleUpgrade(constants.BuildVersion(2, 5, 0), False) |
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def testUpgradeFrom_2_6(self): |
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self._TestSimpleUpgrade(constants.BuildVersion(2, 6, 0), False) |
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def testUpgradeFrom_2_7(self): |
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self._TestSimpleUpgrade(constants.BuildVersion(2, 7, 0), False) |
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def testUpgradeFullConfigFrom_2_7(self): |
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self._TestUpgradeFromFile("cluster_config_2.7.json", False) |
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def testUpgradeCurrent(self): |
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self._TestSimpleUpgrade(constants.CONFIG_VERSION, False) |
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def _RunDowngradeUpgrade(self): |
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oldconf = self._LoadConfig()
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_RunUpgrade(self.tmpdir, False, True, downgrade=True) |
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_RunUpgrade(self.tmpdir, False, True) |
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newconf = self._LoadConfig()
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self.assertEqual(oldconf, newconf)
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def testDowngrade(self): |
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self._TestSimpleUpgrade(constants.CONFIG_VERSION, False) |
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self._RunDowngradeUpgrade()
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def testDowngradeFullConfig(self): |
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"""Test for upgrade + downgrade combination."""
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# This test can work only with the previous version of a configuration!
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# For 2.7, downgrading returns the original file only if group policies
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# don't override instance specs, so we need to use an ad-hoc configuration.
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oldconfname = "cluster_config_downgraded_2.7.json"
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self._TestUpgradeFromFile(oldconfname, False) |
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_RunUpgrade(self.tmpdir, False, True, downgrade=True) |
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oldconf = self._LoadTestDataConfig(oldconfname)
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newconf = self._LoadConfig()
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self.assertEqual(oldconf, newconf)
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def testDowngradeFullConfigBackwardFrom_2_7(self): |
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"""Test for upgrade + downgrade + upgrade combination."""
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self._TestUpgradeFromFile("cluster_config_2.7.json", False) |
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self._RunDowngradeUpgrade()
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def _RunDowngradeTwice(self): |
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"""Make sure that downgrade is idempotent."""
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_RunUpgrade(self.tmpdir, False, True, downgrade=True) |
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oldconf = self._LoadConfig()
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_RunUpgrade(self.tmpdir, False, True, downgrade=True) |
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newconf = self._LoadConfig()
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self.assertEqual(oldconf, newconf)
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def testDowngradeTwice(self): |
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self._TestSimpleUpgrade(constants.CONFIG_VERSION, False) |
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self._RunDowngradeTwice()
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def testDowngradeTwiceFullConfigFrom_2_7(self): |
| 412 |
self._TestUpgradeFromFile("cluster_config_2.7.json", False) |
| 413 |
self._RunDowngradeTwice()
|
| 414 |
|
| 415 |
def testUpgradeDryRunFrom_2_0(self): |
| 416 |
self._TestSimpleUpgrade(constants.BuildVersion(2, 0, 0), True) |
| 417 |
|
| 418 |
def testUpgradeDryRunFrom_2_1(self): |
| 419 |
self._TestSimpleUpgrade(constants.BuildVersion(2, 1, 0), True) |
| 420 |
|
| 421 |
def testUpgradeDryRunFrom_2_2(self): |
| 422 |
self._TestSimpleUpgrade(constants.BuildVersion(2, 2, 0), True) |
| 423 |
|
| 424 |
def testUpgradeDryRunFrom_2_3(self): |
| 425 |
self._TestSimpleUpgrade(constants.BuildVersion(2, 3, 0), True) |
| 426 |
|
| 427 |
def testUpgradeDryRunFrom_2_4(self): |
| 428 |
self._TestSimpleUpgrade(constants.BuildVersion(2, 4, 0), True) |
| 429 |
|
| 430 |
def testUpgradeDryRunFrom_2_5(self): |
| 431 |
self._TestSimpleUpgrade(constants.BuildVersion(2, 5, 0), True) |
| 432 |
|
| 433 |
def testUpgradeDryRunFrom_2_6(self): |
| 434 |
self._TestSimpleUpgrade(constants.BuildVersion(2, 6, 0), True) |
| 435 |
|
| 436 |
def testUpgradeCurrentDryRun(self): |
| 437 |
self._TestSimpleUpgrade(constants.CONFIG_VERSION, True) |
| 438 |
|
| 439 |
def testDowngradeDryRun(self): |
| 440 |
self._TestSimpleUpgrade(constants.CONFIG_VERSION, False) |
| 441 |
oldconf = self._LoadConfig()
|
| 442 |
_RunUpgrade(self.tmpdir, True, True, downgrade=True) |
| 443 |
newconf = self._LoadConfig()
|
| 444 |
self.assertEqual(oldconf["version"], newconf["version"]) |
| 445 |
|
| 446 |
if __name__ == "__main__": |
| 447 |
testutils.GanetiTestProgram() |