root / qa / qa_daemon.py @ 973d7867
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1 | cec9845c | Michael Hanselmann | # Copyright (C) 2007 Google Inc.
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2 | cec9845c | Michael Hanselmann | #
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3 | cec9845c | Michael Hanselmann | # This program is free software; you can redistribute it and/or modify
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4 | cec9845c | Michael Hanselmann | # it under the terms of the GNU General Public License as published by
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5 | cec9845c | Michael Hanselmann | # the Free Software Foundation; either version 2 of the License, or
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6 | cec9845c | Michael Hanselmann | # (at your option) any later version.
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7 | cec9845c | Michael Hanselmann | #
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8 | cec9845c | Michael Hanselmann | # This program is distributed in the hope that it will be useful, but
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9 | cec9845c | Michael Hanselmann | # WITHOUT ANY WARRANTY; without even the implied warranty of
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10 | cec9845c | Michael Hanselmann | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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11 | cec9845c | Michael Hanselmann | # General Public License for more details.
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12 | cec9845c | Michael Hanselmann | #
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13 | cec9845c | Michael Hanselmann | # You should have received a copy of the GNU General Public License
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14 | cec9845c | Michael Hanselmann | # along with this program; if not, write to the Free Software
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15 | cec9845c | Michael Hanselmann | # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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16 | cec9845c | Michael Hanselmann | # 02110-1301, USA.
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17 | cec9845c | Michael Hanselmann | |
18 | cec9845c | Michael Hanselmann | |
19 | cec9845c | Michael Hanselmann | """Daemon related QA tests.
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20 | cec9845c | Michael Hanselmann |
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21 | cec9845c | Michael Hanselmann | """
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22 | cec9845c | Michael Hanselmann | |
23 | cec9845c | Michael Hanselmann | import time |
24 | cec9845c | Michael Hanselmann | |
25 | cec9845c | Michael Hanselmann | from ganeti import utils |
26 | cec9845c | Michael Hanselmann | from ganeti import constants |
27 | cec9845c | Michael Hanselmann | |
28 | cec9845c | Michael Hanselmann | import qa_config |
29 | cec9845c | Michael Hanselmann | import qa_utils |
30 | cec9845c | Michael Hanselmann | import qa_error |
31 | cec9845c | Michael Hanselmann | |
32 | cec9845c | Michael Hanselmann | from qa_utils import AssertEqual, StartSSH |
33 | cec9845c | Michael Hanselmann | |
34 | cec9845c | Michael Hanselmann | |
35 | cec9845c | Michael Hanselmann | def _InstanceRunning(node, name): |
36 | cec9845c | Michael Hanselmann | """Checks whether an instance is running.
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37 | cec9845c | Michael Hanselmann |
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38 | cec9845c | Michael Hanselmann | Args:
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39 | cec9845c | Michael Hanselmann | node: Node the instance runs on
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40 | cec9845c | Michael Hanselmann | name: Full name of Xen instance
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41 | cec9845c | Michael Hanselmann | """
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42 | cec9845c | Michael Hanselmann | cmd = utils.ShellQuoteArgs(['xm', 'list', name]) + ' >/dev/null' |
43 | cec9845c | Michael Hanselmann | ret = StartSSH(node['primary'], cmd).wait()
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44 | cec9845c | Michael Hanselmann | return ret == 0 |
45 | cec9845c | Michael Hanselmann | |
46 | cec9845c | Michael Hanselmann | |
47 | cec9845c | Michael Hanselmann | def _XmShutdownInstance(node, name): |
48 | cec9845c | Michael Hanselmann | """Shuts down instance using "xm" and waits for completion.
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49 | cec9845c | Michael Hanselmann |
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50 | cec9845c | Michael Hanselmann | Args:
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51 | cec9845c | Michael Hanselmann | node: Node the instance runs on
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52 | cec9845c | Michael Hanselmann | name: Full name of Xen instance
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53 | cec9845c | Michael Hanselmann | """
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54 | cec9845c | Michael Hanselmann | master = qa_config.GetMasterNode() |
55 | cec9845c | Michael Hanselmann | |
56 | cec9845c | Michael Hanselmann | cmd = ['xm', 'shutdown', name] |
57 | 5d640672 | Michael Hanselmann | AssertEqual(StartSSH(node['primary'],
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58 | cec9845c | Michael Hanselmann | utils.ShellQuoteArgs(cmd)).wait(), 0)
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59 | cec9845c | Michael Hanselmann | |
60 | cec9845c | Michael Hanselmann | # Wait up to a minute
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61 | cec9845c | Michael Hanselmann | end = time.time() + 60
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62 | cec9845c | Michael Hanselmann | while time.time() <= end:
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63 | cec9845c | Michael Hanselmann | if not _InstanceRunning(node, name): |
64 | cec9845c | Michael Hanselmann | break
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65 | cec9845c | Michael Hanselmann | time.sleep(5)
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66 | cec9845c | Michael Hanselmann | else:
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67 | cec9845c | Michael Hanselmann | raise qa_error.Error("xm shutdown failed") |
68 | cec9845c | Michael Hanselmann | |
69 | cec9845c | Michael Hanselmann | |
70 | 28a6fbc8 | Michael Hanselmann | def _ResetWatcherDaemon(): |
71 | cec9845c | Michael Hanselmann | """Removes the watcher daemon's state file.
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72 | cec9845c | Michael Hanselmann |
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73 | cec9845c | Michael Hanselmann | Args:
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74 | cec9845c | Michael Hanselmann | node: Node to be reset
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75 | cec9845c | Michael Hanselmann | """
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76 | 28a6fbc8 | Michael Hanselmann | master = qa_config.GetMasterNode() |
77 | 28a6fbc8 | Michael Hanselmann | |
78 | cec9845c | Michael Hanselmann | cmd = ['rm', '-f', constants.WATCHER_STATEFILE] |
79 | 28a6fbc8 | Michael Hanselmann | AssertEqual(StartSSH(master['primary'],
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80 | 28a6fbc8 | Michael Hanselmann | utils.ShellQuoteArgs(cmd)).wait(), 0)
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81 | 28a6fbc8 | Michael Hanselmann | |
82 | 28a6fbc8 | Michael Hanselmann | |
83 | 28a6fbc8 | Michael Hanselmann | def _RunWatcherDaemon(): |
84 | 28a6fbc8 | Michael Hanselmann | """Runs the ganeti-watcher daemon on the master node.
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85 | 28a6fbc8 | Michael Hanselmann |
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86 | 28a6fbc8 | Michael Hanselmann | """
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87 | 28a6fbc8 | Michael Hanselmann | master = qa_config.GetMasterNode() |
88 | 28a6fbc8 | Michael Hanselmann | |
89 | 28a6fbc8 | Michael Hanselmann | cmd = ['ganeti-watcher', '-d'] |
90 | 28a6fbc8 | Michael Hanselmann | AssertEqual(StartSSH(master['primary'],
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91 | cec9845c | Michael Hanselmann | utils.ShellQuoteArgs(cmd)).wait(), 0)
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92 | cec9845c | Michael Hanselmann | |
93 | cec9845c | Michael Hanselmann | |
94 | 23269c5b | Michael Hanselmann | def PrintCronWarning(): |
95 | 28a6fbc8 | Michael Hanselmann | """Shows a warning about the cron job.
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96 | 23269c5b | Michael Hanselmann |
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97 | 23269c5b | Michael Hanselmann | """
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98 | f4bc1f2c | Michael Hanselmann | msg = ("For the following tests it's recommended to turn off the"
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99 | f4bc1f2c | Michael Hanselmann | " ganeti-watcher cronjob.")
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100 | 23269c5b | Michael Hanselmann | print
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101 | 28a6fbc8 | Michael Hanselmann | print qa_utils.FormatWarning(msg)
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102 | 23269c5b | Michael Hanselmann | |
103 | 23269c5b | Michael Hanselmann | |
104 | 9b3939ea | Michael Hanselmann | @qa_utils.DefineHook('daemon-automatic-restart') |
105 | cec9845c | Michael Hanselmann | def TestInstanceAutomaticRestart(node, instance): |
106 | cec9845c | Michael Hanselmann | """Test automatic restart of instance by ganeti-watcher.
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107 | cec9845c | Michael Hanselmann |
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108 | cec9845c | Michael Hanselmann | """
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109 | cec9845c | Michael Hanselmann | master = qa_config.GetMasterNode() |
110 | 5d640672 | Michael Hanselmann | inst_name = qa_utils.ResolveInstanceName(instance) |
111 | cec9845c | Michael Hanselmann | |
112 | 28a6fbc8 | Michael Hanselmann | _ResetWatcherDaemon() |
113 | cec9845c | Michael Hanselmann | _XmShutdownInstance(node, inst_name) |
114 | cec9845c | Michael Hanselmann | |
115 | 28a6fbc8 | Michael Hanselmann | _RunWatcherDaemon() |
116 | 28a6fbc8 | Michael Hanselmann | time.sleep(5)
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117 | cec9845c | Michael Hanselmann | |
118 | 28a6fbc8 | Michael Hanselmann | if not _InstanceRunning(node, inst_name): |
119 | 28a6fbc8 | Michael Hanselmann | raise qa_error.Error("Daemon didn't restart instance") |
120 | cec9845c | Michael Hanselmann | |
121 | cec9845c | Michael Hanselmann | cmd = ['gnt-instance', 'info', inst_name] |
122 | cec9845c | Michael Hanselmann | AssertEqual(StartSSH(master['primary'],
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123 | cec9845c | Michael Hanselmann | utils.ShellQuoteArgs(cmd)).wait(), 0)
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124 | cec9845c | Michael Hanselmann | |
125 | cec9845c | Michael Hanselmann | |
126 | 9b3939ea | Michael Hanselmann | @qa_utils.DefineHook('daemon-consecutive-failures') |
127 | cec9845c | Michael Hanselmann | def TestInstanceConsecutiveFailures(node, instance): |
128 | cec9845c | Michael Hanselmann | """Test five consecutive instance failures.
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129 | cec9845c | Michael Hanselmann |
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130 | cec9845c | Michael Hanselmann | """
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131 | cec9845c | Michael Hanselmann | master = qa_config.GetMasterNode() |
132 | 5d640672 | Michael Hanselmann | inst_name = qa_utils.ResolveInstanceName(instance) |
133 | cec9845c | Michael Hanselmann | |
134 | 28a6fbc8 | Michael Hanselmann | _ResetWatcherDaemon() |
135 | cec9845c | Michael Hanselmann | |
136 | 28a6fbc8 | Michael Hanselmann | for should_start in ([True] * 5) + [False]: |
137 | 28a6fbc8 | Michael Hanselmann | _XmShutdownInstance(node, inst_name) |
138 | 28a6fbc8 | Michael Hanselmann | _RunWatcherDaemon() |
139 | 28a6fbc8 | Michael Hanselmann | time.sleep(5)
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140 | cec9845c | Michael Hanselmann | |
141 | 28a6fbc8 | Michael Hanselmann | if bool(_InstanceRunning(node, inst_name)) != should_start: |
142 | 28a6fbc8 | Michael Hanselmann | if should_start:
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143 | 28a6fbc8 | Michael Hanselmann | msg = "Instance not started when it should"
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144 | 28a6fbc8 | Michael Hanselmann | else:
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145 | 28a6fbc8 | Michael Hanselmann | msg = "Instance started when it shouldn't"
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146 | 28a6fbc8 | Michael Hanselmann | raise qa_error.Error(msg)
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147 | cec9845c | Michael Hanselmann | |
148 | cec9845c | Michael Hanselmann | cmd = ['gnt-instance', 'info', inst_name] |
149 | cec9845c | Michael Hanselmann | AssertEqual(StartSSH(master['primary'],
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150 | cec9845c | Michael Hanselmann | utils.ShellQuoteArgs(cmd)).wait(), 0) |