root / test / ganeti.client.gnt_cluster_unittest.py @ 3b877f08
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1 | 66d1f035 | René Nussbaumer | #!/usr/bin/python
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2 | 66d1f035 | René Nussbaumer | #
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3 | 66d1f035 | René Nussbaumer | |
4 | 66d1f035 | René Nussbaumer | # Copyright (C) 2011 Google Inc.
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5 | 66d1f035 | René Nussbaumer | #
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6 | 66d1f035 | René Nussbaumer | # This program is free software; you can redistribute it and/or modify
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7 | 66d1f035 | René Nussbaumer | # it under the terms of the GNU General Public License as published by
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8 | 66d1f035 | René Nussbaumer | # the Free Software Foundation; either version 2 of the License, or
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9 | 66d1f035 | René Nussbaumer | # (at your option) any later version.
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10 | 66d1f035 | René Nussbaumer | #
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11 | 66d1f035 | René Nussbaumer | # This program is distributed in the hope that it will be useful, but
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12 | 66d1f035 | René Nussbaumer | # WITHOUT ANY WARRANTY; without even the implied warranty of
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13 | 66d1f035 | René Nussbaumer | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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14 | 66d1f035 | René Nussbaumer | # General Public License for more details.
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15 | 66d1f035 | René Nussbaumer | #
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16 | 66d1f035 | René Nussbaumer | # You should have received a copy of the GNU General Public License
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17 | 66d1f035 | René Nussbaumer | # along with this program; if not, write to the Free Software
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18 | 66d1f035 | René Nussbaumer | # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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19 | 66d1f035 | René Nussbaumer | # 02110-1301, USA.
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20 | 66d1f035 | René Nussbaumer | |
21 | 66d1f035 | René Nussbaumer | |
22 | 66d1f035 | René Nussbaumer | """Script for testing ganeti.client.gnt_cluster"""
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23 | 66d1f035 | René Nussbaumer | |
24 | 66d1f035 | René Nussbaumer | import unittest |
25 | 66d1f035 | René Nussbaumer | |
26 | 66d1f035 | René Nussbaumer | from ganeti.client import gnt_cluster |
27 | 66d1f035 | René Nussbaumer | from ganeti import utils |
28 | 66d1f035 | René Nussbaumer | from ganeti import compat |
29 | 66d1f035 | René Nussbaumer | |
30 | 66d1f035 | René Nussbaumer | import testutils |
31 | 66d1f035 | René Nussbaumer | |
32 | 66d1f035 | René Nussbaumer | |
33 | 66d1f035 | René Nussbaumer | class TestEpo(unittest.TestCase): |
34 | 66d1f035 | René Nussbaumer | def setUp(self): |
35 | 66d1f035 | René Nussbaumer | self.nodes2ip = dict(("node%s" % i, "192.0.2.%s" % i) for i in range(1, 10)) |
36 | 66d1f035 | René Nussbaumer | self.nodes = set(self.nodes2ip.keys()) |
37 | 66d1f035 | René Nussbaumer | self.ips2node = dict((v, k) for (k, v) in self.nodes2ip.items()) |
38 | 66d1f035 | René Nussbaumer | |
39 | 66d1f035 | René Nussbaumer | def _FakeAction(*args): |
40 | 66d1f035 | René Nussbaumer | return True |
41 | 66d1f035 | René Nussbaumer | |
42 | 66d1f035 | René Nussbaumer | def _FakePing(ip, port, live_port_needed=False): |
43 | 66d1f035 | René Nussbaumer | self.assert_(live_port_needed)
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44 | 66d1f035 | René Nussbaumer | self.assertEqual(port, 0) |
45 | 66d1f035 | René Nussbaumer | return True |
46 | 66d1f035 | René Nussbaumer | |
47 | 66d1f035 | René Nussbaumer | def _FakeSleep(secs): |
48 | 66d1f035 | René Nussbaumer | self.assert_(secs >= 0 and secs <= 5) |
49 | 66d1f035 | René Nussbaumer | return
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50 | 66d1f035 | René Nussbaumer | |
51 | 8e74adce | René Nussbaumer | def _NoopFeedback(self, text): |
52 | 8e74adce | René Nussbaumer | return
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53 | 8e74adce | René Nussbaumer | |
54 | 66d1f035 | René Nussbaumer | def testPingFnRemoveHostsUp(self): |
55 | 66d1f035 | René Nussbaumer | seen = set()
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56 | 66d1f035 | René Nussbaumer | def _FakeSeenPing(ip, *args, **kwargs): |
57 | 66d1f035 | René Nussbaumer | node = self.ips2node[ip]
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58 | 66d1f035 | René Nussbaumer | self.assertFalse(node in seen) |
59 | 66d1f035 | René Nussbaumer | seen.add(node) |
60 | 66d1f035 | René Nussbaumer | return True |
61 | 66d1f035 | René Nussbaumer | |
62 | 66d1f035 | René Nussbaumer | helper = gnt_cluster._RunWhenNodesReachableHelper(self.nodes,
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63 | 66d1f035 | René Nussbaumer | self._FakeAction,
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64 | 8e74adce | René Nussbaumer | self.nodes2ip, 0, |
65 | 8e74adce | René Nussbaumer | self._NoopFeedback,
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66 | 66d1f035 | René Nussbaumer | _ping_fn=_FakeSeenPing, |
67 | 66d1f035 | René Nussbaumer | _sleep_fn=self._FakeSleep)
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68 | 66d1f035 | René Nussbaumer | |
69 | 66d1f035 | René Nussbaumer | nodes_len = len(self.nodes) |
70 | 66d1f035 | René Nussbaumer | for (num, _) in enumerate(self.nodes): |
71 | 66d1f035 | René Nussbaumer | helper.Wait(5)
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72 | 66d1f035 | René Nussbaumer | if num < nodes_len - 1: |
73 | 66d1f035 | René Nussbaumer | self.assertRaises(utils.RetryAgain, helper)
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74 | 66d1f035 | René Nussbaumer | else:
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75 | 66d1f035 | René Nussbaumer | helper() |
76 | 66d1f035 | René Nussbaumer | |
77 | 66d1f035 | René Nussbaumer | self.assertEqual(seen, self.nodes) |
78 | 66d1f035 | René Nussbaumer | self.assertFalse(helper.down)
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79 | 66d1f035 | René Nussbaumer | self.assertEqual(helper.up, self.nodes) |
80 | 66d1f035 | René Nussbaumer | |
81 | 66d1f035 | René Nussbaumer | def testActionReturnFalseSetsHelperFalse(self): |
82 | 66d1f035 | René Nussbaumer | called = False
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83 | 66d1f035 | René Nussbaumer | def _FalseAction(*args): |
84 | 66d1f035 | René Nussbaumer | return called
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85 | 66d1f035 | René Nussbaumer | |
86 | 66d1f035 | René Nussbaumer | helper = gnt_cluster._RunWhenNodesReachableHelper(self.nodes, _FalseAction,
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87 | 8e74adce | René Nussbaumer | self.nodes2ip, 0, |
88 | 8e74adce | René Nussbaumer | self._NoopFeedback,
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89 | 66d1f035 | René Nussbaumer | _ping_fn=self._FakePing,
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90 | 66d1f035 | René Nussbaumer | _sleep_fn=self._FakeSleep)
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91 | 66d1f035 | René Nussbaumer | for _ in self.nodes: |
92 | 66d1f035 | René Nussbaumer | try:
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93 | 66d1f035 | René Nussbaumer | helper() |
94 | 66d1f035 | René Nussbaumer | except utils.RetryAgain:
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95 | 66d1f035 | René Nussbaumer | called = True
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96 | 66d1f035 | René Nussbaumer | |
97 | 66d1f035 | René Nussbaumer | self.assertFalse(helper.success)
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98 | 66d1f035 | René Nussbaumer | |
99 | 66d1f035 | René Nussbaumer | def testMaybeInstanceStartup(self): |
100 | 66d1f035 | René Nussbaumer | instances_arg = [] |
101 | 66d1f035 | René Nussbaumer | def _FakeInstanceStart(opts, instances, start): |
102 | 66d1f035 | René Nussbaumer | instances_arg.append(set(instances))
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103 | 66d1f035 | René Nussbaumer | return None |
104 | 66d1f035 | René Nussbaumer | |
105 | 66d1f035 | René Nussbaumer | inst_map = { |
106 | 66d1f035 | René Nussbaumer | "inst1": set(["node1", "node2"]), |
107 | 66d1f035 | René Nussbaumer | "inst2": set(["node1", "node3"]), |
108 | 66d1f035 | René Nussbaumer | "inst3": set(["node2", "node1"]), |
109 | 66d1f035 | René Nussbaumer | "inst4": set(["node2", "node1", "node3"]), |
110 | 66d1f035 | René Nussbaumer | "inst5": set(["node4"]), |
111 | 66d1f035 | René Nussbaumer | } |
112 | 66d1f035 | René Nussbaumer | |
113 | 66d1f035 | René Nussbaumer | fn = _FakeInstanceStart |
114 | 66d1f035 | René Nussbaumer | self.assert_(gnt_cluster._MaybeInstanceStartup(None, inst_map, set(), |
115 | 66d1f035 | René Nussbaumer | _instance_start_fn=fn)) |
116 | 66d1f035 | René Nussbaumer | self.assertFalse(instances_arg)
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117 | 66d1f035 | René Nussbaumer | result = gnt_cluster._MaybeInstanceStartup(None, inst_map, set(["node1"]), |
118 | 66d1f035 | René Nussbaumer | _instance_start_fn=fn) |
119 | 66d1f035 | René Nussbaumer | self.assert_(result)
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120 | 66d1f035 | René Nussbaumer | self.assertFalse(instances_arg)
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121 | 66d1f035 | René Nussbaumer | result = gnt_cluster._MaybeInstanceStartup(None, inst_map,
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122 | 66d1f035 | René Nussbaumer | set(["node1", "node3"]), |
123 | 66d1f035 | René Nussbaumer | _instance_start_fn=fn) |
124 | 66d1f035 | René Nussbaumer | self.assert_(result is None) |
125 | 66d1f035 | René Nussbaumer | self.assertEqual(instances_arg.pop(0), set(["inst2"])) |
126 | 66d1f035 | René Nussbaumer | self.assertFalse("inst2" in inst_map) |
127 | 66d1f035 | René Nussbaumer | result = gnt_cluster._MaybeInstanceStartup(None, inst_map,
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128 | 66d1f035 | René Nussbaumer | set(["node1", "node3"]), |
129 | 66d1f035 | René Nussbaumer | _instance_start_fn=fn) |
130 | 66d1f035 | René Nussbaumer | self.assert_(result)
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131 | 66d1f035 | René Nussbaumer | self.assertFalse(instances_arg)
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132 | 66d1f035 | René Nussbaumer | result = gnt_cluster._MaybeInstanceStartup(None, inst_map,
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133 | 66d1f035 | René Nussbaumer | set(["node1", "node3", "node2"]), |
134 | 66d1f035 | René Nussbaumer | _instance_start_fn=fn) |
135 | 66d1f035 | René Nussbaumer | self.assertEqual(instances_arg.pop(0), set(["inst1", "inst3", "inst4"])) |
136 | 66d1f035 | René Nussbaumer | self.assert_(result is None) |
137 | 66d1f035 | René Nussbaumer | result = gnt_cluster._MaybeInstanceStartup(None, inst_map,
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138 | 66d1f035 | René Nussbaumer | set(["node1", "node3", "node2", |
139 | 66d1f035 | René Nussbaumer | "node4"]),
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140 | 66d1f035 | René Nussbaumer | _instance_start_fn=fn) |
141 | 66d1f035 | René Nussbaumer | self.assert_(result is None) |
142 | 66d1f035 | René Nussbaumer | self.assertEqual(instances_arg.pop(0), set(["inst5"])) |
143 | 66d1f035 | René Nussbaumer | self.assertFalse(inst_map)
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144 | 66d1f035 | René Nussbaumer | |
145 | 66d1f035 | René Nussbaumer | |
146 | 66d1f035 | René Nussbaumer | if __name__ == "__main__": |
147 | 66d1f035 | René Nussbaumer | testutils.GanetiTestProgram() |