QA: Add test for “gnt-node modify”
[ganeti-local] / qa / qa_node.py
1 #
2 #
3
4 # Copyright (C) 2007 Google Inc.
5 #
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.
10 #
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.
15 #
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
19 # 02110-1301, USA.
20
21
22 from ganeti import utils
23 from ganeti import constants
24
25 import qa_config
26 import qa_error
27 import qa_utils
28
29 from qa_utils import AssertEqual, AssertNotEqual, StartSSH
30
31
32 def _NodeAdd(node, readd=False):
33   master = qa_config.GetMasterNode()
34
35   if not readd and node.get('_added', False):
36     raise qa_error.Error("Node %s already in cluster" % node['primary'])
37   elif readd and not node.get('_added', False):
38     raise qa_error.Error("Node %s not yet in cluster" % node['primary'])
39
40   cmd = ['gnt-node', 'add', "--no-ssh-key-check"]
41   if node.get('secondary', None):
42     cmd.append('--secondary-ip=%s' % node['secondary'])
43   if readd:
44     cmd.append('--readd')
45   cmd.append(node['primary'])
46   AssertEqual(StartSSH(master['primary'],
47                        utils.ShellQuoteArgs(cmd)).wait(), 0)
48
49   node['_added'] = True
50
51
52 def _NodeRemove(node):
53   master = qa_config.GetMasterNode()
54
55   cmd = ['gnt-node', 'remove', node['primary']]
56   AssertEqual(StartSSH(master['primary'],
57                        utils.ShellQuoteArgs(cmd)).wait(), 0)
58   node['_added'] = False
59
60
61 def TestNodeAddAll():
62   """Adding all nodes to cluster."""
63   master = qa_config.GetMasterNode()
64   for node in qa_config.get('nodes'):
65     if node != master:
66       _NodeAdd(node, readd=False)
67
68
69 def MarkNodeAddedAll():
70   """Mark all nodes as added.
71
72   This is useful if we don't create the cluster ourselves (in qa).
73
74   """
75   master = qa_config.GetMasterNode()
76   for node in qa_config.get('nodes'):
77     if node != master:
78       node['_added'] = True
79
80
81 def TestNodeRemoveAll():
82   """Removing all nodes from cluster."""
83   master = qa_config.GetMasterNode()
84   for node in qa_config.get('nodes'):
85     if node != master:
86       _NodeRemove(node)
87
88
89 def TestNodeReadd(node):
90   """gnt-node add --readd"""
91   _NodeAdd(node, readd=True)
92
93
94 def TestNodeInfo():
95   """gnt-node info"""
96   master = qa_config.GetMasterNode()
97
98   cmd = ['gnt-node', 'info']
99   AssertEqual(StartSSH(master['primary'],
100                        utils.ShellQuoteArgs(cmd)).wait(), 0)
101
102
103 def TestNodeVolumes():
104   """gnt-node volumes"""
105   master = qa_config.GetMasterNode()
106
107   cmd = ['gnt-node', 'volumes']
108   AssertEqual(StartSSH(master['primary'],
109                        utils.ShellQuoteArgs(cmd)).wait(), 0)
110
111
112 def TestNodeStorage():
113   """gnt-node storage"""
114   master = qa_config.GetMasterNode()
115
116   for storage_type in constants.VALID_STORAGE_TYPES:
117     # Test simple list
118     cmd = ["gnt-node", "list-storage", "--storage-type", storage_type]
119     AssertEqual(StartSSH(master["primary"],
120                          utils.ShellQuoteArgs(cmd)).wait(), 0)
121
122     # Test all storage fields
123     cmd = ["gnt-node", "list-storage", "--storage-type", storage_type,
124            "--output=%s" % ",".join(list(constants.VALID_STORAGE_FIELDS) +
125                                     [constants.SF_NODE, constants.SF_TYPE])]
126     AssertEqual(StartSSH(master["primary"],
127                          utils.ShellQuoteArgs(cmd)).wait(), 0)
128
129     # Get list of valid storage devices
130     cmd = ["gnt-node", "list-storage", "--storage-type", storage_type,
131            "--output=node,name,allocatable", "--separator=|",
132            "--no-headers"]
133     output = qa_utils.GetCommandOutput(master["primary"],
134                                        utils.ShellQuoteArgs(cmd))
135
136     # Test with up to two devices
137     testdevcount = 2
138
139     for line in output.splitlines()[:testdevcount]:
140       (node_name, st_name, st_allocatable) = line.split("|")
141
142       # Dummy modification without any changes
143       cmd = ["gnt-node", "modify-storage", node_name, storage_type, st_name]
144       AssertEqual(StartSSH(master["primary"],
145                            utils.ShellQuoteArgs(cmd)).wait(), 0)
146
147       # Make sure we end up with the same value as before
148       if st_allocatable.lower() == "y":
149         test_allocatable = ["no", "yes"]
150       else:
151         test_allocatable = ["yes", "no"]
152
153       if (constants.SF_ALLOCATABLE in
154           constants.MODIFIABLE_STORAGE_FIELDS.get(storage_type, [])):
155         assert_fn = AssertEqual
156       else:
157         assert_fn = AssertNotEqual
158
159       for i in test_allocatable:
160         cmd = ["gnt-node", "modify-storage", "--allocatable", i,
161                node_name, storage_type, st_name]
162         assert_fn(StartSSH(master["primary"],
163                   utils.ShellQuoteArgs(cmd)).wait(), 0)
164
165       # Test repair functionality
166       cmd = ["gnt-node", "repair-storage", node_name, storage_type, st_name]
167
168       if (constants.SO_FIX_CONSISTENCY in
169           constants.VALID_STORAGE_OPERATIONS.get(storage_type, [])):
170         assert_fn = AssertEqual
171       else:
172         assert_fn = AssertNotEqual
173
174       assert_fn(StartSSH(master["primary"],
175                          utils.ShellQuoteArgs(cmd)).wait(), 0)
176
177
178 def TestNodeFailover(node, node2):
179   """gnt-node failover"""
180   master = qa_config.GetMasterNode()
181
182   if qa_utils.GetNodeInstances(node2, secondaries=False):
183     raise qa_error.UnusableNodeError("Secondary node has at least one"
184                                      " primary instance. This test requires"
185                                      " it to have no primary instances.")
186
187   # Fail over to secondary node
188   cmd = ['gnt-node', 'failover', '-f', node['primary']]
189   AssertEqual(StartSSH(master['primary'],
190                        utils.ShellQuoteArgs(cmd)).wait(), 0)
191
192   # ... and back again.
193   cmd = ['gnt-node', 'failover', '-f', node2['primary']]
194   AssertEqual(StartSSH(master['primary'],
195                        utils.ShellQuoteArgs(cmd)).wait(), 0)
196
197
198 def TestNodeEvacuate(node, node2):
199   """gnt-node evacuate"""
200   master = qa_config.GetMasterNode()
201
202   node3 = qa_config.AcquireNode(exclude=[node, node2])
203   try:
204     if qa_utils.GetNodeInstances(node3, secondaries=True):
205       raise qa_error.UnusableNodeError("Evacuation node has at least one"
206                                        " secondary instance. This test requires"
207                                        " it to have no secondary instances.")
208
209     # Evacuate all secondary instances
210     cmd = ['gnt-node', 'evacuate', '-f',
211            "--new-secondary=%s" % node3['primary'], node2['primary']]
212     AssertEqual(StartSSH(master['primary'],
213                          utils.ShellQuoteArgs(cmd)).wait(), 0)
214
215     # ... and back again.
216     cmd = ['gnt-node', 'evacuate', '-f',
217            "--new-secondary=%s" % node2['primary'], node3['primary']]
218     AssertEqual(StartSSH(master['primary'],
219                          utils.ShellQuoteArgs(cmd)).wait(), 0)
220   finally:
221     qa_config.ReleaseNode(node3)
222
223
224 def TestNodeModify(node):
225   """gnt-node modify"""
226   master = qa_config.GetMasterNode()
227
228   for flag in ["master-candidate", "drained", "offline"]:
229     for value in ["yes", "no"]:
230       cmd = ["gnt-node", "modify", "--force",
231              "--%s=%s" % (flag, value), node["primary"]]
232       AssertEqual(StartSSH(master["primary"],
233                            utils.ShellQuoteArgs(cmd)).wait(), 0)
234
235   cmd = ["gnt-node", "modify", "--master-candidate=yes", "--auto-promote",
236          node["primary"]]
237   AssertEqual(StartSSH(master["primary"],
238                        utils.ShellQuoteArgs(cmd)).wait(), 0)