4 # Copyright (C) 2006, 2007 Google Inc.
6 # This program is free software; you can redistribute it and/or modify
7 # it under the terms of the GNU General Public License as published by
8 # the Free Software Foundation; either version 2 of the License, or
9 # (at your option) any later version.
11 # This program is distributed in the hope that it will be useful, but
12 # WITHOUT ANY WARRANTY; without even the implied warranty of
13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 # General Public License for more details.
16 # You should have received a copy of the GNU General Public License
17 # along with this program; if not, write to the Free Software
18 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
22 """Script for unittesting the config module"""
32 from ganeti import errors
33 from ganeti import constants
34 from ganeti import config
35 from ganeti import objects
36 from ganeti import utils
39 class TestConfigRunner(unittest.TestCase):
40 """Testing case for HooksRunner"""
42 fd, self.cfg_file = tempfile.mkstemp()
47 os.unlink(self.cfg_file)
51 def _get_object(self):
52 """Returns a instance of ConfigWriter"""
53 cfg = config.ConfigWriter(cfg_file=self.cfg_file, offline=True)
56 def _init_cluster(self, cfg):
57 """Initializes the cfg object"""
59 ip = constants.LOCALHOST_IP_ADDRESS
61 cluster_config = objects.Cluster(
64 highest_used_port=(constants.FIRST_DRBD_PORT - 1),
65 mac_prefix="aa:00:00",
66 volume_group_name="xenvg",
67 default_bridge=constants.DEFAULT_BRIDGE,
68 tcpudp_port_pool=set(),
69 hypervisor=constants.HT_FAKE,
71 master_ip="127.0.0.1",
72 master_netdev=constants.DEFAULT_BRIDGE,
73 cluster_name="cluster.local",
74 file_storage_dir="/tmp",
77 master_node_config = objects.Node(name=me.name,
81 cfg.InitConfig(constants.CONFIG_VERSION,
82 cluster_config, master_node_config)
84 def _create_instance(self):
85 """Create and return an instance object"""
86 inst = objects.Instance(name="test.example.com", disks=[],
87 disk_template=constants.DT_DISKLESS)
91 """Test instantiate config object"""
95 """Test initialize the config file"""
96 cfg = self._get_object()
97 self._init_cluster(cfg)
98 self.failUnlessEqual(1, len(cfg.GetNodeList()))
99 self.failUnlessEqual(0, len(cfg.GetInstanceList()))
101 def testUpdateCluster(self):
102 """Test updates on the cluster object"""
103 cfg = self._get_object()
104 # construct a fake cluster object
105 fake_cl = objects.Cluster()
106 # fail if we didn't read the config
107 self.failUnlessRaises(errors.ProgrammerError, cfg.Update, fake_cl)
109 self._init_cluster(cfg)
110 cl = cfg.GetClusterInfo()
111 # first pass, must not fail
113 # second pass, also must not fail (after the config has been written)
115 # but the fake_cl update should still fail
116 self.failUnlessRaises(errors.ConfigurationError, cfg.Update, fake_cl)
118 def testUpdateNode(self):
119 """Test updates on one node object"""
120 cfg = self._get_object()
121 # construct a fake node
122 fake_node = objects.Node()
123 # fail if we didn't read the config
124 self.failUnlessRaises(errors.ProgrammerError, cfg.Update, fake_node)
126 self._init_cluster(cfg)
127 node = cfg.GetNodeInfo(cfg.GetNodeList()[0])
128 # first pass, must not fail
130 # second pass, also must not fail (after the config has been written)
132 # but the fake_node update should still fail
133 self.failUnlessRaises(errors.ConfigurationError, cfg.Update, fake_node)
135 def testUpdateInstance(self):
136 """Test updates on one instance object"""
137 cfg = self._get_object()
138 # construct a fake instance
139 inst = self._create_instance()
140 fake_instance = objects.Instance()
141 # fail if we didn't read the config
142 self.failUnlessRaises(errors.ProgrammerError, cfg.Update, fake_instance)
144 self._init_cluster(cfg)
145 cfg.AddInstance(inst)
146 instance = cfg.GetInstanceInfo(cfg.GetInstanceList()[0])
147 # first pass, must not fail
149 # second pass, also must not fail (after the config has been written)
151 # but the fake_instance update should still fail
152 self.failUnlessRaises(errors.ConfigurationError, cfg.Update, fake_instance)
155 if __name__ == '__main__':