root / qa / qa_daemon.py @ 1490a90c
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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 | b998270c | Iustin Pop | # Copyright (C) 2007, 2008, 2009, 2010, 2011 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 | 304d9f02 | Michael Hanselmann | from ganeti import pathutils |
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 | 2f4b4f78 | Iustin Pop | from qa_utils import AssertMatch, AssertCommand, StartSSH, GetCommandOutput |
36 | cec9845c | Michael Hanselmann | |
37 | cec9845c | Michael Hanselmann | |
38 | b998270c | Iustin Pop | def _InstanceRunning(name): |
39 | cec9845c | Michael Hanselmann | """Checks whether an instance is running.
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40 | cec9845c | Michael Hanselmann |
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41 | b998270c | Iustin Pop | @param name: full name of the instance
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42 | 2f4b4f78 | Iustin Pop |
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43 | cec9845c | Michael Hanselmann | """
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44 | b998270c | Iustin Pop | master = qa_config.GetMasterNode() |
45 | b998270c | Iustin Pop | |
46 | b998270c | Iustin Pop | cmd = (utils.ShellQuoteArgs(["gnt-instance", "list", "-o", "status", name]) + |
47 | b998270c | Iustin Pop | ' | grep running')
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48 | aecba21e | Michael Hanselmann | ret = StartSSH(master.primary, cmd).wait() |
49 | cec9845c | Michael Hanselmann | return ret == 0 |
50 | cec9845c | Michael Hanselmann | |
51 | cec9845c | Michael Hanselmann | |
52 | b998270c | Iustin Pop | def _ShutdownInstance(name): |
53 | b998270c | Iustin Pop | """Shuts down instance without recording state and waits for completion.
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54 | cec9845c | Michael Hanselmann |
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55 | b998270c | Iustin Pop | @param name: full name of the instance
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56 | cec9845c | Michael Hanselmann |
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57 | 2f4b4f78 | Iustin Pop | """
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58 | b998270c | Iustin Pop | AssertCommand(["gnt-instance", "shutdown", "--no-remember", name]) |
59 | cec9845c | Michael Hanselmann | |
60 | b998270c | Iustin Pop | if _InstanceRunning(name):
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61 | b998270c | Iustin Pop | raise qa_error.Error("instance shutdown failed") |
62 | cec9845c | Michael Hanselmann | |
63 | cec9845c | Michael Hanselmann | |
64 | 91104b80 | Thomas Thrainer | def _StartInstance(name): |
65 | 91104b80 | Thomas Thrainer | """Starts instance and waits for completion.
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66 | 91104b80 | Thomas Thrainer |
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67 | 91104b80 | Thomas Thrainer | @param name: full name of the instance
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68 | 91104b80 | Thomas Thrainer |
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69 | 91104b80 | Thomas Thrainer | """
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70 | 91104b80 | Thomas Thrainer | AssertCommand(["gnt-instance", "start", name]) |
71 | 91104b80 | Thomas Thrainer | |
72 | 91104b80 | Thomas Thrainer | if not bool(_InstanceRunning(name)): |
73 | 91104b80 | Thomas Thrainer | raise qa_error.Error("instance start failed") |
74 | 91104b80 | Thomas Thrainer | |
75 | 91104b80 | Thomas Thrainer | |
76 | 28a6fbc8 | Michael Hanselmann | def _ResetWatcherDaemon(): |
77 | cec9845c | Michael Hanselmann | """Removes the watcher daemon's state file.
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78 | cec9845c | Michael Hanselmann |
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79 | cec9845c | Michael Hanselmann | """
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80 | ea0d8b70 | Michael Hanselmann | path = \ |
81 | ea0d8b70 | Michael Hanselmann | qa_utils.MakeNodePath(qa_config.GetMasterNode(), |
82 | ea0d8b70 | Michael Hanselmann | pathutils.WATCHER_GROUP_STATE_FILE % "*-*-*-*")
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83 | ea0d8b70 | Michael Hanselmann | |
84 | ea0d8b70 | Michael Hanselmann | AssertCommand(["bash", "-c", "rm -vf %s" % path]) |
85 | 28a6fbc8 | Michael Hanselmann | |
86 | 28a6fbc8 | Michael Hanselmann | |
87 | 28a6fbc8 | Michael Hanselmann | def _RunWatcherDaemon(): |
88 | 28a6fbc8 | Michael Hanselmann | """Runs the ganeti-watcher daemon on the master node.
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89 | 28a6fbc8 | Michael Hanselmann |
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90 | 28a6fbc8 | Michael Hanselmann | """
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91 | 16e0b9c9 | Michael Hanselmann | AssertCommand(["ganeti-watcher", "-d", "--ignore-pause", "--wait-children"]) |
92 | cec9845c | Michael Hanselmann | |
93 | cec9845c | Michael Hanselmann | |
94 | 8201b996 | Iustin Pop | def TestPauseWatcher(): |
95 | 8201b996 | Iustin Pop | """Tests and pauses the watcher.
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96 | 23269c5b | Michael Hanselmann |
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97 | 23269c5b | Michael Hanselmann | """
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98 | 8201b996 | Iustin Pop | master = qa_config.GetMasterNode() |
99 | 8201b996 | Iustin Pop | |
100 | 2f4b4f78 | Iustin Pop | AssertCommand(["gnt-cluster", "watcher", "pause", "4h"]) |
101 | 8201b996 | Iustin Pop | |
102 | 8201b996 | Iustin Pop | cmd = ["gnt-cluster", "watcher", "info"] |
103 | aecba21e | Michael Hanselmann | output = GetCommandOutput(master.primary, |
104 | 8201b996 | Iustin Pop | utils.ShellQuoteArgs(cmd)) |
105 | 8201b996 | Iustin Pop | AssertMatch(output, r"^.*\bis paused\b.*")
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106 | 8201b996 | Iustin Pop | |
107 | 8201b996 | Iustin Pop | |
108 | 8201b996 | Iustin Pop | def TestResumeWatcher(): |
109 | 8201b996 | Iustin Pop | """Tests and unpauses the watcher.
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110 | 8201b996 | Iustin Pop |
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111 | 8201b996 | Iustin Pop | """
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112 | 8201b996 | Iustin Pop | master = qa_config.GetMasterNode() |
113 | 8201b996 | Iustin Pop | |
114 | 2f4b4f78 | Iustin Pop | AssertCommand(["gnt-cluster", "watcher", "continue"]) |
115 | 8201b996 | Iustin Pop | |
116 | 8201b996 | Iustin Pop | cmd = ["gnt-cluster", "watcher", "info"] |
117 | aecba21e | Michael Hanselmann | output = GetCommandOutput(master.primary, |
118 | 8201b996 | Iustin Pop | utils.ShellQuoteArgs(cmd)) |
119 | 8201b996 | Iustin Pop | AssertMatch(output, r"^.*\bis not paused\b.*")
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120 | 23269c5b | Michael Hanselmann | |
121 | 23269c5b | Michael Hanselmann | |
122 | b998270c | Iustin Pop | def TestInstanceAutomaticRestart(instance): |
123 | cec9845c | Michael Hanselmann | """Test automatic restart of instance by ganeti-watcher.
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124 | cec9845c | Michael Hanselmann |
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125 | cec9845c | Michael Hanselmann | """
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126 | b5f33afa | Michael Hanselmann | inst_name = qa_utils.ResolveInstanceName(instance.name) |
127 | cec9845c | Michael Hanselmann | |
128 | 28a6fbc8 | Michael Hanselmann | _ResetWatcherDaemon() |
129 | b998270c | Iustin Pop | _ShutdownInstance(inst_name) |
130 | cec9845c | Michael Hanselmann | |
131 | 28a6fbc8 | Michael Hanselmann | _RunWatcherDaemon() |
132 | 28a6fbc8 | Michael Hanselmann | time.sleep(5)
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133 | cec9845c | Michael Hanselmann | |
134 | b998270c | Iustin Pop | if not _InstanceRunning(inst_name): |
135 | 28a6fbc8 | Michael Hanselmann | raise qa_error.Error("Daemon didn't restart instance") |
136 | cec9845c | Michael Hanselmann | |
137 | 2f4b4f78 | Iustin Pop | AssertCommand(["gnt-instance", "info", inst_name]) |
138 | cec9845c | Michael Hanselmann | |
139 | cec9845c | Michael Hanselmann | |
140 | b998270c | Iustin Pop | def TestInstanceConsecutiveFailures(instance): |
141 | cec9845c | Michael Hanselmann | """Test five consecutive instance failures.
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142 | cec9845c | Michael Hanselmann |
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143 | cec9845c | Michael Hanselmann | """
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144 | b5f33afa | Michael Hanselmann | inst_name = qa_utils.ResolveInstanceName(instance.name) |
145 | 91104b80 | Thomas Thrainer | inst_was_running = bool(_InstanceRunning(inst_name))
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146 | cec9845c | Michael Hanselmann | |
147 | 28a6fbc8 | Michael Hanselmann | _ResetWatcherDaemon() |
148 | cec9845c | Michael Hanselmann | |
149 | 28a6fbc8 | Michael Hanselmann | for should_start in ([True] * 5) + [False]: |
150 | b998270c | Iustin Pop | _ShutdownInstance(inst_name) |
151 | 28a6fbc8 | Michael Hanselmann | _RunWatcherDaemon() |
152 | 28a6fbc8 | Michael Hanselmann | time.sleep(5)
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153 | cec9845c | Michael Hanselmann | |
154 | b998270c | Iustin Pop | if bool(_InstanceRunning(inst_name)) != should_start: |
155 | 28a6fbc8 | Michael Hanselmann | if should_start:
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156 | 28a6fbc8 | Michael Hanselmann | msg = "Instance not started when it should"
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157 | 28a6fbc8 | Michael Hanselmann | else:
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158 | 28a6fbc8 | Michael Hanselmann | msg = "Instance started when it shouldn't"
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159 | 28a6fbc8 | Michael Hanselmann | raise qa_error.Error(msg)
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160 | cec9845c | Michael Hanselmann | |
161 | 2f4b4f78 | Iustin Pop | AssertCommand(["gnt-instance", "info", inst_name]) |
162 | 91104b80 | Thomas Thrainer | |
163 | 91104b80 | Thomas Thrainer | if inst_was_running:
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164 | 91104b80 | Thomas Thrainer | _StartInstance(inst_name) |