root / qa / qa_daemon.py @ a8a76bc2
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1 | c68d1f43 | Michael Hanselmann | #
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2 | c68d1f43 | Michael Hanselmann | #
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3 | c68d1f43 | Michael Hanselmann | |
4 | cec9845c | Michael Hanselmann | # Copyright (C) 2007 Google Inc.
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5 | cec9845c | Michael Hanselmann | #
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6 | cec9845c | Michael Hanselmann | # This program is free software; you can redistribute it and/or modify
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7 | cec9845c | Michael Hanselmann | # it under the terms of the GNU General Public License as published by
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8 | cec9845c | Michael Hanselmann | # the Free Software Foundation; either version 2 of the License, or
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9 | cec9845c | Michael Hanselmann | # (at your option) any later version.
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10 | cec9845c | Michael Hanselmann | #
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11 | cec9845c | Michael Hanselmann | # This program is distributed in the hope that it will be useful, but
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12 | cec9845c | Michael Hanselmann | # WITHOUT ANY WARRANTY; without even the implied warranty of
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13 | cec9845c | Michael Hanselmann | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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14 | cec9845c | Michael Hanselmann | # General Public License for more details.
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15 | cec9845c | Michael Hanselmann | #
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16 | cec9845c | Michael Hanselmann | # You should have received a copy of the GNU General Public License
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17 | cec9845c | Michael Hanselmann | # along with this program; if not, write to the Free Software
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18 | cec9845c | Michael Hanselmann | # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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19 | cec9845c | Michael Hanselmann | # 02110-1301, USA.
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20 | cec9845c | Michael Hanselmann | |
21 | cec9845c | Michael Hanselmann | |
22 | cec9845c | Michael Hanselmann | """Daemon related QA tests.
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23 | cec9845c | Michael Hanselmann |
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24 | cec9845c | Michael Hanselmann | """
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25 | cec9845c | Michael Hanselmann | |
26 | cec9845c | Michael Hanselmann | import time |
27 | cec9845c | Michael Hanselmann | |
28 | cec9845c | Michael Hanselmann | from ganeti import utils |
29 | cec9845c | Michael Hanselmann | from ganeti import constants |
30 | cec9845c | Michael Hanselmann | |
31 | cec9845c | Michael Hanselmann | import qa_config |
32 | cec9845c | Michael Hanselmann | import qa_utils |
33 | cec9845c | Michael Hanselmann | import qa_error |
34 | cec9845c | Michael Hanselmann | |
35 | cec9845c | Michael Hanselmann | from qa_utils import AssertEqual, StartSSH |
36 | cec9845c | Michael Hanselmann | |
37 | cec9845c | Michael Hanselmann | |
38 | cec9845c | Michael Hanselmann | def _InstanceRunning(node, name): |
39 | cec9845c | Michael Hanselmann | """Checks whether an instance is running.
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40 | cec9845c | Michael Hanselmann |
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41 | cec9845c | Michael Hanselmann | Args:
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42 | cec9845c | Michael Hanselmann | node: Node the instance runs on
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43 | cec9845c | Michael Hanselmann | name: Full name of Xen instance
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44 | cec9845c | Michael Hanselmann | """
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45 | cec9845c | Michael Hanselmann | cmd = utils.ShellQuoteArgs(['xm', 'list', name]) + ' >/dev/null' |
46 | cec9845c | Michael Hanselmann | ret = StartSSH(node['primary'], cmd).wait()
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47 | cec9845c | Michael Hanselmann | return ret == 0 |
48 | cec9845c | Michael Hanselmann | |
49 | cec9845c | Michael Hanselmann | |
50 | cec9845c | Michael Hanselmann | def _XmShutdownInstance(node, name): |
51 | cec9845c | Michael Hanselmann | """Shuts down instance using "xm" and waits for completion.
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52 | cec9845c | Michael Hanselmann |
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53 | cec9845c | Michael Hanselmann | Args:
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54 | cec9845c | Michael Hanselmann | node: Node the instance runs on
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55 | cec9845c | Michael Hanselmann | name: Full name of Xen instance
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56 | cec9845c | Michael Hanselmann | """
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57 | cec9845c | Michael Hanselmann | master = qa_config.GetMasterNode() |
58 | cec9845c | Michael Hanselmann | |
59 | cec9845c | Michael Hanselmann | cmd = ['xm', 'shutdown', name] |
60 | 5d640672 | Michael Hanselmann | AssertEqual(StartSSH(node['primary'],
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61 | cec9845c | Michael Hanselmann | utils.ShellQuoteArgs(cmd)).wait(), 0)
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62 | cec9845c | Michael Hanselmann | |
63 | cec9845c | Michael Hanselmann | # Wait up to a minute
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64 | cec9845c | Michael Hanselmann | end = time.time() + 60
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65 | cec9845c | Michael Hanselmann | while time.time() <= end:
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66 | cec9845c | Michael Hanselmann | if not _InstanceRunning(node, name): |
67 | cec9845c | Michael Hanselmann | break
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68 | cec9845c | Michael Hanselmann | time.sleep(5)
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69 | cec9845c | Michael Hanselmann | else:
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70 | cec9845c | Michael Hanselmann | raise qa_error.Error("xm shutdown failed") |
71 | cec9845c | Michael Hanselmann | |
72 | cec9845c | Michael Hanselmann | |
73 | 28a6fbc8 | Michael Hanselmann | def _ResetWatcherDaemon(): |
74 | cec9845c | Michael Hanselmann | """Removes the watcher daemon's state file.
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75 | cec9845c | Michael Hanselmann |
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76 | cec9845c | Michael Hanselmann | Args:
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77 | cec9845c | Michael Hanselmann | node: Node to be reset
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78 | cec9845c | Michael Hanselmann | """
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79 | 28a6fbc8 | Michael Hanselmann | master = qa_config.GetMasterNode() |
80 | 28a6fbc8 | Michael Hanselmann | |
81 | cec9845c | Michael Hanselmann | cmd = ['rm', '-f', constants.WATCHER_STATEFILE] |
82 | 28a6fbc8 | Michael Hanselmann | AssertEqual(StartSSH(master['primary'],
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83 | 28a6fbc8 | Michael Hanselmann | utils.ShellQuoteArgs(cmd)).wait(), 0)
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84 | 28a6fbc8 | Michael Hanselmann | |
85 | 28a6fbc8 | Michael Hanselmann | |
86 | 28a6fbc8 | Michael Hanselmann | def _RunWatcherDaemon(): |
87 | 28a6fbc8 | Michael Hanselmann | """Runs the ganeti-watcher daemon on the master node.
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88 | 28a6fbc8 | Michael Hanselmann |
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89 | 28a6fbc8 | Michael Hanselmann | """
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90 | 28a6fbc8 | Michael Hanselmann | master = qa_config.GetMasterNode() |
91 | 28a6fbc8 | Michael Hanselmann | |
92 | 28a6fbc8 | Michael Hanselmann | cmd = ['ganeti-watcher', '-d'] |
93 | 28a6fbc8 | Michael Hanselmann | AssertEqual(StartSSH(master['primary'],
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94 | cec9845c | Michael Hanselmann | utils.ShellQuoteArgs(cmd)).wait(), 0)
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95 | cec9845c | Michael Hanselmann | |
96 | cec9845c | Michael Hanselmann | |
97 | 23269c5b | Michael Hanselmann | def PrintCronWarning(): |
98 | 28a6fbc8 | Michael Hanselmann | """Shows a warning about the cron job.
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99 | 23269c5b | Michael Hanselmann |
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100 | 23269c5b | Michael Hanselmann | """
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101 | f4bc1f2c | Michael Hanselmann | msg = ("For the following tests it's recommended to turn off the"
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102 | f4bc1f2c | Michael Hanselmann | " ganeti-watcher cronjob.")
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103 | 23269c5b | Michael Hanselmann | print
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104 | 28a6fbc8 | Michael Hanselmann | print qa_utils.FormatWarning(msg)
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105 | 23269c5b | Michael Hanselmann | |
106 | 23269c5b | Michael Hanselmann | |
107 | cec9845c | Michael Hanselmann | def TestInstanceAutomaticRestart(node, instance): |
108 | cec9845c | Michael Hanselmann | """Test automatic restart of instance by ganeti-watcher.
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109 | cec9845c | Michael Hanselmann |
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110 | cec9845c | Michael Hanselmann | """
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111 | cec9845c | Michael Hanselmann | master = qa_config.GetMasterNode() |
112 | 5d640672 | Michael Hanselmann | inst_name = qa_utils.ResolveInstanceName(instance) |
113 | cec9845c | Michael Hanselmann | |
114 | 28a6fbc8 | Michael Hanselmann | _ResetWatcherDaemon() |
115 | cec9845c | Michael Hanselmann | _XmShutdownInstance(node, inst_name) |
116 | cec9845c | Michael Hanselmann | |
117 | 28a6fbc8 | Michael Hanselmann | _RunWatcherDaemon() |
118 | 28a6fbc8 | Michael Hanselmann | time.sleep(5)
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119 | cec9845c | Michael Hanselmann | |
120 | 28a6fbc8 | Michael Hanselmann | if not _InstanceRunning(node, inst_name): |
121 | 28a6fbc8 | Michael Hanselmann | raise qa_error.Error("Daemon didn't restart instance") |
122 | cec9845c | Michael Hanselmann | |
123 | cec9845c | Michael Hanselmann | cmd = ['gnt-instance', 'info', inst_name] |
124 | cec9845c | Michael Hanselmann | AssertEqual(StartSSH(master['primary'],
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125 | cec9845c | Michael Hanselmann | utils.ShellQuoteArgs(cmd)).wait(), 0)
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126 | cec9845c | Michael Hanselmann | |
127 | cec9845c | Michael Hanselmann | |
128 | cec9845c | Michael Hanselmann | def TestInstanceConsecutiveFailures(node, instance): |
129 | cec9845c | Michael Hanselmann | """Test five consecutive instance failures.
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130 | cec9845c | Michael Hanselmann |
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131 | cec9845c | Michael Hanselmann | """
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132 | cec9845c | Michael Hanselmann | master = qa_config.GetMasterNode() |
133 | 5d640672 | Michael Hanselmann | inst_name = qa_utils.ResolveInstanceName(instance) |
134 | cec9845c | Michael Hanselmann | |
135 | 28a6fbc8 | Michael Hanselmann | _ResetWatcherDaemon() |
136 | cec9845c | Michael Hanselmann | |
137 | 28a6fbc8 | Michael Hanselmann | for should_start in ([True] * 5) + [False]: |
138 | 28a6fbc8 | Michael Hanselmann | _XmShutdownInstance(node, inst_name) |
139 | 28a6fbc8 | Michael Hanselmann | _RunWatcherDaemon() |
140 | 28a6fbc8 | Michael Hanselmann | time.sleep(5)
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141 | cec9845c | Michael Hanselmann | |
142 | 28a6fbc8 | Michael Hanselmann | if bool(_InstanceRunning(node, inst_name)) != should_start: |
143 | 28a6fbc8 | Michael Hanselmann | if should_start:
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144 | 28a6fbc8 | Michael Hanselmann | msg = "Instance not started when it should"
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145 | 28a6fbc8 | Michael Hanselmann | else:
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146 | 28a6fbc8 | Michael Hanselmann | msg = "Instance started when it shouldn't"
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147 | 28a6fbc8 | Michael Hanselmann | raise qa_error.Error(msg)
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148 | cec9845c | Michael Hanselmann | |
149 | cec9845c | Michael Hanselmann | cmd = ['gnt-instance', 'info', inst_name] |
150 | cec9845c | Michael Hanselmann | AssertEqual(StartSSH(master['primary'],
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151 | cec9845c | Michael Hanselmann | utils.ShellQuoteArgs(cmd)).wait(), 0) |