root / qa / qa_config.py @ dbdb0594
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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 | 906a0346 | Bernardo Dal Seno | # Copyright (C) 2007, 2011, 2012, 2013 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 | """QA configuration.
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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 | c9e05005 | Michael Hanselmann | import os |
27 | cec9845c | Michael Hanselmann | |
28 | e7b6183b | Michael Hanselmann | from ganeti import constants |
29 | a705dc05 | Michael Hanselmann | from ganeti import utils |
30 | a705dc05 | Michael Hanselmann | from ganeti import serializer |
31 | 7d88f255 | Iustin Pop | from ganeti import compat |
32 | cec9845c | Michael Hanselmann | |
33 | cec9845c | Michael Hanselmann | import qa_error |
34 | cec9845c | Michael Hanselmann | |
35 | cec9845c | Michael Hanselmann | |
36 | c9e05005 | Michael Hanselmann | _INSTANCE_CHECK_KEY = "instance-check"
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37 | e7b6183b | Michael Hanselmann | _ENABLED_HV_KEY = "enabled-hypervisors"
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38 | f9329a6c | Michael Hanselmann | |
39 | 8a96c5a6 | Michael Hanselmann | #: QA configuration (L{_QaConfig})
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40 | 8a96c5a6 | Michael Hanselmann | _config = None
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41 | cec9845c | Michael Hanselmann | |
42 | cec9845c | Michael Hanselmann | |
43 | 6a654276 | Michael Hanselmann | class _QaInstance(object): |
44 | 6a654276 | Michael Hanselmann | __slots__ = [ |
45 | 6a654276 | Michael Hanselmann | "name",
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46 | 6a654276 | Michael Hanselmann | "nicmac",
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47 | 6a654276 | Michael Hanselmann | "used",
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48 | 6a654276 | Michael Hanselmann | "disk_template",
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49 | 6a654276 | Michael Hanselmann | ] |
50 | 6a654276 | Michael Hanselmann | |
51 | 6a654276 | Michael Hanselmann | def __init__(self, name, nicmac): |
52 | 6a654276 | Michael Hanselmann | """Initializes instances of this class.
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53 | 6a654276 | Michael Hanselmann |
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54 | 6a654276 | Michael Hanselmann | """
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55 | 6a654276 | Michael Hanselmann | self.name = name
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56 | 6a654276 | Michael Hanselmann | self.nicmac = nicmac
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57 | 6a654276 | Michael Hanselmann | self.used = None |
58 | 6a654276 | Michael Hanselmann | self.disk_template = None |
59 | 6a654276 | Michael Hanselmann | |
60 | 6a654276 | Michael Hanselmann | @classmethod
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61 | 6a654276 | Michael Hanselmann | def FromDict(cls, data): |
62 | 6a654276 | Michael Hanselmann | """Creates instance object from JSON dictionary.
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63 | 6a654276 | Michael Hanselmann |
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64 | 6a654276 | Michael Hanselmann | """
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65 | 6a654276 | Michael Hanselmann | nicmac = [] |
66 | 6a654276 | Michael Hanselmann | |
67 | 6a654276 | Michael Hanselmann | macaddr = data.get("nic.mac/0")
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68 | 6a654276 | Michael Hanselmann | if macaddr:
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69 | 6a654276 | Michael Hanselmann | nicmac.append(macaddr) |
70 | 6a654276 | Michael Hanselmann | |
71 | 6a654276 | Michael Hanselmann | return cls(name=data["name"], nicmac=nicmac) |
72 | 6a654276 | Michael Hanselmann | |
73 | 6a654276 | Michael Hanselmann | def __getitem__(self, key): |
74 | 6a654276 | Michael Hanselmann | """Legacy dict-like interface.
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75 | 6a654276 | Michael Hanselmann |
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76 | 6a654276 | Michael Hanselmann | """
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77 | 6a654276 | Michael Hanselmann | if key == "name": |
78 | 6a654276 | Michael Hanselmann | return self.name |
79 | 6a654276 | Michael Hanselmann | else:
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80 | 6a654276 | Michael Hanselmann | raise KeyError(key) |
81 | 6a654276 | Michael Hanselmann | |
82 | 6a654276 | Michael Hanselmann | def get(self, key, default): |
83 | 6a654276 | Michael Hanselmann | """Legacy dict-like interface.
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84 | 6a654276 | Michael Hanselmann |
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85 | 6a654276 | Michael Hanselmann | """
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86 | 6a654276 | Michael Hanselmann | try:
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87 | 6a654276 | Michael Hanselmann | return self[key] |
88 | 6a654276 | Michael Hanselmann | except KeyError: |
89 | 6a654276 | Michael Hanselmann | return default
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90 | 6a654276 | Michael Hanselmann | |
91 | 6f88e076 | Michael Hanselmann | def Release(self): |
92 | 6f88e076 | Michael Hanselmann | """Releases instance and makes it available again.
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93 | 6f88e076 | Michael Hanselmann |
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94 | 6f88e076 | Michael Hanselmann | """
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95 | 6f88e076 | Michael Hanselmann | assert self.used, \ |
96 | 6f88e076 | Michael Hanselmann | ("Instance '%s' was never acquired or released more than once" %
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97 | 6f88e076 | Michael Hanselmann | self.name)
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98 | 6f88e076 | Michael Hanselmann | |
99 | 6f88e076 | Michael Hanselmann | self.used = False |
100 | 6f88e076 | Michael Hanselmann | self.disk_template = None |
101 | 6f88e076 | Michael Hanselmann | |
102 | 6a654276 | Michael Hanselmann | def GetNicMacAddr(self, idx, default): |
103 | 6a654276 | Michael Hanselmann | """Returns MAC address for NIC.
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104 | 6a654276 | Michael Hanselmann |
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105 | 6a654276 | Michael Hanselmann | @type idx: int
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106 | 6a654276 | Michael Hanselmann | @param idx: NIC index
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107 | 6a654276 | Michael Hanselmann | @param default: Default value
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108 | 6a654276 | Michael Hanselmann |
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109 | 6a654276 | Michael Hanselmann | """
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110 | 6a654276 | Michael Hanselmann | if len(self.nicmac) > idx: |
111 | 6a654276 | Michael Hanselmann | return self.nicmac[idx] |
112 | 6a654276 | Michael Hanselmann | else:
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113 | 6a654276 | Michael Hanselmann | return default
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114 | 6a654276 | Michael Hanselmann | |
115 | 6a654276 | Michael Hanselmann | |
116 | dbdb0594 | Michael Hanselmann | class _QaNode(object): |
117 | dbdb0594 | Michael Hanselmann | __slots__ = [ |
118 | dbdb0594 | Michael Hanselmann | "primary",
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119 | dbdb0594 | Michael Hanselmann | "secondary",
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120 | dbdb0594 | Michael Hanselmann | "_added",
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121 | dbdb0594 | Michael Hanselmann | "use_count",
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122 | dbdb0594 | Michael Hanselmann | ] |
123 | dbdb0594 | Michael Hanselmann | |
124 | dbdb0594 | Michael Hanselmann | def __init__(self, primary, secondary): |
125 | dbdb0594 | Michael Hanselmann | """Initializes instances of this class.
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126 | dbdb0594 | Michael Hanselmann |
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127 | dbdb0594 | Michael Hanselmann | """
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128 | dbdb0594 | Michael Hanselmann | self.primary = primary
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129 | dbdb0594 | Michael Hanselmann | self.secondary = secondary
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130 | dbdb0594 | Michael Hanselmann | self.use_count = 0 |
131 | dbdb0594 | Michael Hanselmann | self._added = False |
132 | dbdb0594 | Michael Hanselmann | |
133 | dbdb0594 | Michael Hanselmann | @classmethod
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134 | dbdb0594 | Michael Hanselmann | def FromDict(cls, data): |
135 | dbdb0594 | Michael Hanselmann | """Creates node object from JSON dictionary.
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136 | dbdb0594 | Michael Hanselmann |
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137 | dbdb0594 | Michael Hanselmann | """
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138 | dbdb0594 | Michael Hanselmann | return cls(primary=data["primary"], secondary=data.get("secondary")) |
139 | dbdb0594 | Michael Hanselmann | |
140 | dbdb0594 | Michael Hanselmann | def __getitem__(self, key): |
141 | dbdb0594 | Michael Hanselmann | """Legacy dict-like interface.
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142 | dbdb0594 | Michael Hanselmann |
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143 | dbdb0594 | Michael Hanselmann | """
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144 | dbdb0594 | Michael Hanselmann | if key == "primary": |
145 | dbdb0594 | Michael Hanselmann | return self.primary |
146 | dbdb0594 | Michael Hanselmann | elif key == "secondary": |
147 | dbdb0594 | Michael Hanselmann | return self.secondary |
148 | dbdb0594 | Michael Hanselmann | else:
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149 | dbdb0594 | Michael Hanselmann | raise KeyError(key) |
150 | dbdb0594 | Michael Hanselmann | |
151 | dbdb0594 | Michael Hanselmann | def get(self, key, default): |
152 | dbdb0594 | Michael Hanselmann | """Legacy dict-like interface.
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153 | dbdb0594 | Michael Hanselmann |
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154 | dbdb0594 | Michael Hanselmann | """
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155 | dbdb0594 | Michael Hanselmann | try:
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156 | dbdb0594 | Michael Hanselmann | return self[key] |
157 | dbdb0594 | Michael Hanselmann | except KeyError: |
158 | dbdb0594 | Michael Hanselmann | return default
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159 | dbdb0594 | Michael Hanselmann | |
160 | dbdb0594 | Michael Hanselmann | def Use(self): |
161 | dbdb0594 | Michael Hanselmann | """Marks a node as being in use.
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162 | dbdb0594 | Michael Hanselmann |
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163 | dbdb0594 | Michael Hanselmann | """
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164 | dbdb0594 | Michael Hanselmann | assert self.use_count >= 0 |
165 | dbdb0594 | Michael Hanselmann | |
166 | dbdb0594 | Michael Hanselmann | self.use_count += 1 |
167 | dbdb0594 | Michael Hanselmann | |
168 | dbdb0594 | Michael Hanselmann | return self |
169 | dbdb0594 | Michael Hanselmann | |
170 | dbdb0594 | Michael Hanselmann | def MarkAdded(self): |
171 | dbdb0594 | Michael Hanselmann | """Marks node as having been added to a cluster.
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172 | dbdb0594 | Michael Hanselmann |
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173 | dbdb0594 | Michael Hanselmann | """
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174 | dbdb0594 | Michael Hanselmann | assert not self._added |
175 | dbdb0594 | Michael Hanselmann | self._added = True |
176 | dbdb0594 | Michael Hanselmann | |
177 | dbdb0594 | Michael Hanselmann | def MarkRemoved(self): |
178 | dbdb0594 | Michael Hanselmann | """Marks node as having been removed from a cluster.
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179 | dbdb0594 | Michael Hanselmann |
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180 | dbdb0594 | Michael Hanselmann | """
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181 | dbdb0594 | Michael Hanselmann | assert self._added |
182 | dbdb0594 | Michael Hanselmann | self._added = False |
183 | dbdb0594 | Michael Hanselmann | |
184 | dbdb0594 | Michael Hanselmann | @property
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185 | dbdb0594 | Michael Hanselmann | def added(self): |
186 | dbdb0594 | Michael Hanselmann | """Returns whether a node is part of a cluster.
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187 | dbdb0594 | Michael Hanselmann |
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188 | dbdb0594 | Michael Hanselmann | """
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189 | dbdb0594 | Michael Hanselmann | return self._added |
190 | dbdb0594 | Michael Hanselmann | |
191 | dbdb0594 | Michael Hanselmann | |
192 | 6a654276 | Michael Hanselmann | _RESOURCE_CONVERTER = { |
193 | 6a654276 | Michael Hanselmann | "instances": _QaInstance.FromDict,
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194 | dbdb0594 | Michael Hanselmann | "nodes": _QaNode.FromDict,
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195 | 6a654276 | Michael Hanselmann | } |
196 | 6a654276 | Michael Hanselmann | |
197 | 6a654276 | Michael Hanselmann | |
198 | 6a654276 | Michael Hanselmann | def _ConvertResources((key, value)): |
199 | 6a654276 | Michael Hanselmann | """Converts cluster resources in configuration to Python objects.
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200 | 6a654276 | Michael Hanselmann |
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201 | 6a654276 | Michael Hanselmann | """
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202 | 6a654276 | Michael Hanselmann | fn = _RESOURCE_CONVERTER.get(key, None)
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203 | 6a654276 | Michael Hanselmann | if fn:
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204 | 6a654276 | Michael Hanselmann | return (key, map(fn, value)) |
205 | 6a654276 | Michael Hanselmann | else:
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206 | 6a654276 | Michael Hanselmann | return (key, value)
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207 | 6a654276 | Michael Hanselmann | |
208 | 6a654276 | Michael Hanselmann | |
209 | 8a96c5a6 | Michael Hanselmann | class _QaConfig(object): |
210 | 8a96c5a6 | Michael Hanselmann | def __init__(self, data): |
211 | 8a96c5a6 | Michael Hanselmann | """Initializes instances of this class.
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212 | cec9845c | Michael Hanselmann |
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213 | 8a96c5a6 | Michael Hanselmann | """
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214 | 8a96c5a6 | Michael Hanselmann | self._data = data
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215 | 8a96c5a6 | Michael Hanselmann | |
216 | a08e181f | Michael Hanselmann | #: Cluster-wide run-time value of the exclusive storage flag
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217 | a08e181f | Michael Hanselmann | self._exclusive_storage = None |
218 | a08e181f | Michael Hanselmann | |
219 | 8a96c5a6 | Michael Hanselmann | @classmethod
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220 | 8a96c5a6 | Michael Hanselmann | def Load(cls, filename): |
221 | 8a96c5a6 | Michael Hanselmann | """Loads a configuration file and produces a configuration object.
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222 | 8a96c5a6 | Michael Hanselmann |
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223 | 8a96c5a6 | Michael Hanselmann | @type filename: string
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224 | 8a96c5a6 | Michael Hanselmann | @param filename: Path to configuration file
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225 | 8a96c5a6 | Michael Hanselmann | @rtype: L{_QaConfig}
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226 | 8a96c5a6 | Michael Hanselmann |
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227 | 8a96c5a6 | Michael Hanselmann | """
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228 | 8a96c5a6 | Michael Hanselmann | data = serializer.LoadJson(utils.ReadFile(filename)) |
229 | 8a96c5a6 | Michael Hanselmann | |
230 | 6a654276 | Michael Hanselmann | result = cls(dict(map(_ConvertResources, |
231 | 6a654276 | Michael Hanselmann | data.items()))) # pylint: disable=E1103
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232 | 8a96c5a6 | Michael Hanselmann | result.Validate() |
233 | 8a96c5a6 | Michael Hanselmann | |
234 | 8a96c5a6 | Michael Hanselmann | return result
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235 | 8a96c5a6 | Michael Hanselmann | |
236 | 8a96c5a6 | Michael Hanselmann | def Validate(self): |
237 | 8a96c5a6 | Michael Hanselmann | """Validates loaded configuration data.
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238 | 8a96c5a6 | Michael Hanselmann |
|
239 | 8a96c5a6 | Michael Hanselmann | """
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240 | 8a96c5a6 | Michael Hanselmann | if not self.get("nodes"): |
241 | 8a96c5a6 | Michael Hanselmann | raise qa_error.Error("Need at least one node") |
242 | 8a96c5a6 | Michael Hanselmann | |
243 | 8a96c5a6 | Michael Hanselmann | if not self.get("instances"): |
244 | 8a96c5a6 | Michael Hanselmann | raise qa_error.Error("Need at least one instance") |
245 | 8a96c5a6 | Michael Hanselmann | |
246 | 8a96c5a6 | Michael Hanselmann | if (self.get("disk") is None or |
247 | 8a96c5a6 | Michael Hanselmann | self.get("disk-growth") is None or |
248 | 8a96c5a6 | Michael Hanselmann | len(self.get("disk")) != len(self.get("disk-growth"))): |
249 | 8a96c5a6 | Michael Hanselmann | raise qa_error.Error("Config options 'disk' and 'disk-growth' must exist" |
250 | 8a96c5a6 | Michael Hanselmann | " and have the same number of items")
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251 | 8a96c5a6 | Michael Hanselmann | |
252 | 8a96c5a6 | Michael Hanselmann | check = self.GetInstanceCheckScript()
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253 | 8a96c5a6 | Michael Hanselmann | if check:
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254 | 8a96c5a6 | Michael Hanselmann | try:
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255 | 8a96c5a6 | Michael Hanselmann | os.stat(check) |
256 | 8a96c5a6 | Michael Hanselmann | except EnvironmentError, err: |
257 | 8a96c5a6 | Michael Hanselmann | raise qa_error.Error("Can't find instance check script '%s': %s" % |
258 | 8a96c5a6 | Michael Hanselmann | (check, err)) |
259 | 8a96c5a6 | Michael Hanselmann | |
260 | 8a96c5a6 | Michael Hanselmann | enabled_hv = frozenset(self.GetEnabledHypervisors()) |
261 | 8a96c5a6 | Michael Hanselmann | if not enabled_hv: |
262 | 8a96c5a6 | Michael Hanselmann | raise qa_error.Error("No hypervisor is enabled") |
263 | 8a96c5a6 | Michael Hanselmann | |
264 | 8a96c5a6 | Michael Hanselmann | difference = enabled_hv - constants.HYPER_TYPES |
265 | 8a96c5a6 | Michael Hanselmann | if difference:
|
266 | 8a96c5a6 | Michael Hanselmann | raise qa_error.Error("Unknown hypervisor(s) enabled: %s" % |
267 | 8a96c5a6 | Michael Hanselmann | utils.CommaJoin(difference)) |
268 | 8a96c5a6 | Michael Hanselmann | |
269 | 8a96c5a6 | Michael Hanselmann | def __getitem__(self, name): |
270 | 8a96c5a6 | Michael Hanselmann | """Returns configuration value.
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271 | 8a96c5a6 | Michael Hanselmann |
|
272 | 8a96c5a6 | Michael Hanselmann | @type name: string
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273 | 8a96c5a6 | Michael Hanselmann | @param name: Name of configuration entry
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274 | 8a96c5a6 | Michael Hanselmann |
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275 | 8a96c5a6 | Michael Hanselmann | """
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276 | 8a96c5a6 | Michael Hanselmann | return self._data[name] |
277 | 8a96c5a6 | Michael Hanselmann | |
278 | 8a96c5a6 | Michael Hanselmann | def get(self, name, default=None): |
279 | 8a96c5a6 | Michael Hanselmann | """Returns configuration value.
|
280 | 8a96c5a6 | Michael Hanselmann |
|
281 | 8a96c5a6 | Michael Hanselmann | @type name: string
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282 | 8a96c5a6 | Michael Hanselmann | @param name: Name of configuration entry
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283 | 8a96c5a6 | Michael Hanselmann | @param default: Default value
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284 | 8a96c5a6 | Michael Hanselmann |
|
285 | 8a96c5a6 | Michael Hanselmann | """
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286 | 8a96c5a6 | Michael Hanselmann | return self._data.get(name, default) |
287 | cec9845c | Michael Hanselmann | |
288 | 8a96c5a6 | Michael Hanselmann | def GetMasterNode(self): |
289 | 8a96c5a6 | Michael Hanselmann | """Returns the default master node for the cluster.
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290 | cec9845c | Michael Hanselmann |
|
291 | 8a96c5a6 | Michael Hanselmann | """
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292 | 8a96c5a6 | Michael Hanselmann | return self["nodes"][0] |
293 | 8a96c5a6 | Michael Hanselmann | |
294 | 8a96c5a6 | Michael Hanselmann | def GetInstanceCheckScript(self): |
295 | 8a96c5a6 | Michael Hanselmann | """Returns path to instance check script or C{None}.
|
296 | 8a96c5a6 | Michael Hanselmann |
|
297 | 8a96c5a6 | Michael Hanselmann | """
|
298 | 8a96c5a6 | Michael Hanselmann | return self._data.get(_INSTANCE_CHECK_KEY, None) |
299 | cec9845c | Michael Hanselmann | |
300 | 8a96c5a6 | Michael Hanselmann | def GetEnabledHypervisors(self): |
301 | 8a96c5a6 | Michael Hanselmann | """Returns list of enabled hypervisors.
|
302 | cec9845c | Michael Hanselmann |
|
303 | 8a96c5a6 | Michael Hanselmann | @rtype: list
|
304 | cec9845c | Michael Hanselmann |
|
305 | 8a96c5a6 | Michael Hanselmann | """
|
306 | c9e05005 | Michael Hanselmann | try:
|
307 | 8a96c5a6 | Michael Hanselmann | value = self._data[_ENABLED_HV_KEY]
|
308 | 8a96c5a6 | Michael Hanselmann | except KeyError: |
309 | 8a96c5a6 | Michael Hanselmann | return [constants.DEFAULT_ENABLED_HYPERVISOR]
|
310 | 8a96c5a6 | Michael Hanselmann | else:
|
311 | 8a96c5a6 | Michael Hanselmann | if value is None: |
312 | 8a96c5a6 | Michael Hanselmann | return []
|
313 | 8a96c5a6 | Michael Hanselmann | elif isinstance(value, basestring): |
314 | 8a96c5a6 | Michael Hanselmann | # The configuration key ("enabled-hypervisors") implies there can be
|
315 | 8a96c5a6 | Michael Hanselmann | # multiple values. Multiple hypervisors are comma-separated on the
|
316 | 8a96c5a6 | Michael Hanselmann | # command line option to "gnt-cluster init", so we need to handle them
|
317 | 8a96c5a6 | Michael Hanselmann | # equally here.
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318 | 8a96c5a6 | Michael Hanselmann | return value.split(",") |
319 | 8a96c5a6 | Michael Hanselmann | else:
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320 | 8a96c5a6 | Michael Hanselmann | return value
|
321 | 8a96c5a6 | Michael Hanselmann | |
322 | 8a96c5a6 | Michael Hanselmann | def GetDefaultHypervisor(self): |
323 | 8a96c5a6 | Michael Hanselmann | """Returns the default hypervisor to be used.
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324 | 8a96c5a6 | Michael Hanselmann |
|
325 | 8a96c5a6 | Michael Hanselmann | """
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326 | 8a96c5a6 | Michael Hanselmann | return self.GetEnabledHypervisors()[0] |
327 | 8a96c5a6 | Michael Hanselmann | |
328 | a08e181f | Michael Hanselmann | def SetExclusiveStorage(self, value): |
329 | a08e181f | Michael Hanselmann | """Set the expected value of the C{exclusive_storage} flag for the cluster.
|
330 | a08e181f | Michael Hanselmann |
|
331 | a08e181f | Michael Hanselmann | """
|
332 | a08e181f | Michael Hanselmann | self._exclusive_storage = bool(value) |
333 | a08e181f | Michael Hanselmann | |
334 | a08e181f | Michael Hanselmann | def GetExclusiveStorage(self): |
335 | a08e181f | Michael Hanselmann | """Get the expected value of the C{exclusive_storage} flag for the cluster.
|
336 | a08e181f | Michael Hanselmann |
|
337 | a08e181f | Michael Hanselmann | """
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338 | a08e181f | Michael Hanselmann | value = self._exclusive_storage
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339 | a08e181f | Michael Hanselmann | assert value is not None |
340 | a08e181f | Michael Hanselmann | return value
|
341 | a08e181f | Michael Hanselmann | |
342 | a08e181f | Michael Hanselmann | def IsTemplateSupported(self, templ): |
343 | a08e181f | Michael Hanselmann | """Is the given disk template supported by the current configuration?
|
344 | a08e181f | Michael Hanselmann |
|
345 | a08e181f | Michael Hanselmann | """
|
346 | cf62af3a | Michael Hanselmann | return (not self.GetExclusiveStorage() or |
347 | cf62af3a | Michael Hanselmann | templ in constants.DTS_EXCL_STORAGE)
|
348 | a08e181f | Michael Hanselmann | |
349 | 8a96c5a6 | Michael Hanselmann | |
350 | 8a96c5a6 | Michael Hanselmann | def Load(path): |
351 | 8a96c5a6 | Michael Hanselmann | """Loads the passed configuration file.
|
352 | 8a96c5a6 | Michael Hanselmann |
|
353 | 8a96c5a6 | Michael Hanselmann | """
|
354 | 8a96c5a6 | Michael Hanselmann | global _config # pylint: disable=W0603 |
355 | 8a96c5a6 | Michael Hanselmann | |
356 | 8a96c5a6 | Michael Hanselmann | _config = _QaConfig.Load(path) |
357 | c9e05005 | Michael Hanselmann | |
358 | e7b6183b | Michael Hanselmann | |
359 | 8a96c5a6 | Michael Hanselmann | def GetConfig(): |
360 | 8a96c5a6 | Michael Hanselmann | """Returns the configuration object.
|
361 | 8a96c5a6 | Michael Hanselmann |
|
362 | 8a96c5a6 | Michael Hanselmann | """
|
363 | 8a96c5a6 | Michael Hanselmann | if _config is None: |
364 | 8a96c5a6 | Michael Hanselmann | raise RuntimeError("Configuration not yet loaded") |
365 | 8a96c5a6 | Michael Hanselmann | |
366 | 8a96c5a6 | Michael Hanselmann | return _config
|
367 | e7b6183b | Michael Hanselmann | |
368 | cec9845c | Michael Hanselmann | |
369 | cec9845c | Michael Hanselmann | def get(name, default=None): |
370 | 8a96c5a6 | Michael Hanselmann | """Wrapper for L{_QaConfig.get}.
|
371 | 8a96c5a6 | Michael Hanselmann |
|
372 | 8a96c5a6 | Michael Hanselmann | """
|
373 | 8a96c5a6 | Michael Hanselmann | return GetConfig().get(name, default=default)
|
374 | cec9845c | Michael Hanselmann | |
375 | cec9845c | Michael Hanselmann | |
376 | a0c3e726 | Michael Hanselmann | class Either: |
377 | a0c3e726 | Michael Hanselmann | def __init__(self, tests): |
378 | a0c3e726 | Michael Hanselmann | """Initializes this class.
|
379 | a0c3e726 | Michael Hanselmann |
|
380 | a0c3e726 | Michael Hanselmann | @type tests: list or string
|
381 | a0c3e726 | Michael Hanselmann | @param tests: List of test names
|
382 | a0c3e726 | Michael Hanselmann | @see: L{TestEnabled} for details
|
383 | a0c3e726 | Michael Hanselmann |
|
384 | a0c3e726 | Michael Hanselmann | """
|
385 | a0c3e726 | Michael Hanselmann | self.tests = tests
|
386 | a0c3e726 | Michael Hanselmann | |
387 | a0c3e726 | Michael Hanselmann | |
388 | a0c3e726 | Michael Hanselmann | def _MakeSequence(value): |
389 | a0c3e726 | Michael Hanselmann | """Make sequence of single argument.
|
390 | a0c3e726 | Michael Hanselmann |
|
391 | a0c3e726 | Michael Hanselmann | If the single argument is not already a list or tuple, a list with the
|
392 | a0c3e726 | Michael Hanselmann | argument as a single item is returned.
|
393 | a0c3e726 | Michael Hanselmann |
|
394 | a0c3e726 | Michael Hanselmann | """
|
395 | a0c3e726 | Michael Hanselmann | if isinstance(value, (list, tuple)): |
396 | a0c3e726 | Michael Hanselmann | return value
|
397 | a0c3e726 | Michael Hanselmann | else:
|
398 | a0c3e726 | Michael Hanselmann | return [value]
|
399 | a0c3e726 | Michael Hanselmann | |
400 | a0c3e726 | Michael Hanselmann | |
401 | a0c3e726 | Michael Hanselmann | def _TestEnabledInner(check_fn, names, fn): |
402 | a0c3e726 | Michael Hanselmann | """Evaluate test conditions.
|
403 | a0c3e726 | Michael Hanselmann |
|
404 | a0c3e726 | Michael Hanselmann | @type check_fn: callable
|
405 | a0c3e726 | Michael Hanselmann | @param check_fn: Callback to check whether a test is enabled
|
406 | a0c3e726 | Michael Hanselmann | @type names: sequence or string
|
407 | a0c3e726 | Michael Hanselmann | @param names: Test name(s)
|
408 | a0c3e726 | Michael Hanselmann | @type fn: callable
|
409 | a0c3e726 | Michael Hanselmann | @param fn: Aggregation function
|
410 | a0c3e726 | Michael Hanselmann | @rtype: bool
|
411 | a0c3e726 | Michael Hanselmann | @return: Whether test is enabled
|
412 | a0c3e726 | Michael Hanselmann |
|
413 | a0c3e726 | Michael Hanselmann | """
|
414 | a0c3e726 | Michael Hanselmann | names = _MakeSequence(names) |
415 | a0c3e726 | Michael Hanselmann | |
416 | a0c3e726 | Michael Hanselmann | result = [] |
417 | a0c3e726 | Michael Hanselmann | |
418 | a0c3e726 | Michael Hanselmann | for name in names: |
419 | a0c3e726 | Michael Hanselmann | if isinstance(name, Either): |
420 | a0c3e726 | Michael Hanselmann | value = _TestEnabledInner(check_fn, name.tests, compat.any) |
421 | a0c3e726 | Michael Hanselmann | elif isinstance(name, (list, tuple)): |
422 | a0c3e726 | Michael Hanselmann | value = _TestEnabledInner(check_fn, name, compat.all) |
423 | a0c3e726 | Michael Hanselmann | else:
|
424 | a0c3e726 | Michael Hanselmann | value = check_fn(name) |
425 | a0c3e726 | Michael Hanselmann | |
426 | a0c3e726 | Michael Hanselmann | result.append(value) |
427 | a0c3e726 | Michael Hanselmann | |
428 | a0c3e726 | Michael Hanselmann | return fn(result)
|
429 | a0c3e726 | Michael Hanselmann | |
430 | a0c3e726 | Michael Hanselmann | |
431 | a0c3e726 | Michael Hanselmann | def TestEnabled(tests, _cfg=None): |
432 | 7d88f255 | Iustin Pop | """Returns True if the given tests are enabled.
|
433 | 7d88f255 | Iustin Pop |
|
434 | a0c3e726 | Michael Hanselmann | @param tests: A single test as a string, or a list of tests to check; can
|
435 | a0c3e726 | Michael Hanselmann | contain L{Either} for OR conditions, AND is default
|
436 | 1010ec70 | Michael Hanselmann |
|
437 | 1010ec70 | Michael Hanselmann | """
|
438 | a0c3e726 | Michael Hanselmann | if _cfg is None: |
439 | 8a96c5a6 | Michael Hanselmann | cfg = GetConfig() |
440 | 8a96c5a6 | Michael Hanselmann | else:
|
441 | 8a96c5a6 | Michael Hanselmann | cfg = _cfg |
442 | 59a8fe48 | Michael Hanselmann | |
443 | 59a8fe48 | Michael Hanselmann | # Get settings for all tests
|
444 | 8a96c5a6 | Michael Hanselmann | cfg_tests = cfg.get("tests", {})
|
445 | 59a8fe48 | Michael Hanselmann | |
446 | 59a8fe48 | Michael Hanselmann | # Get default setting
|
447 | a0c3e726 | Michael Hanselmann | default = cfg_tests.get("default", True) |
448 | 59a8fe48 | Michael Hanselmann | |
449 | a0c3e726 | Michael Hanselmann | return _TestEnabledInner(lambda name: cfg_tests.get(name, default), |
450 | a0c3e726 | Michael Hanselmann | tests, compat.all) |
451 | cec9845c | Michael Hanselmann | |
452 | cec9845c | Michael Hanselmann | |
453 | 8a96c5a6 | Michael Hanselmann | def GetInstanceCheckScript(*args): |
454 | 8a96c5a6 | Michael Hanselmann | """Wrapper for L{_QaConfig.GetInstanceCheckScript}.
|
455 | c9e05005 | Michael Hanselmann |
|
456 | c9e05005 | Michael Hanselmann | """
|
457 | 8a96c5a6 | Michael Hanselmann | return GetConfig().GetInstanceCheckScript(*args)
|
458 | c9e05005 | Michael Hanselmann | |
459 | e7b6183b | Michael Hanselmann | |
460 | 8a96c5a6 | Michael Hanselmann | def GetEnabledHypervisors(*args): |
461 | 8a96c5a6 | Michael Hanselmann | """Wrapper for L{_QaConfig.GetEnabledHypervisors}.
|
462 | e7b6183b | Michael Hanselmann |
|
463 | e7b6183b | Michael Hanselmann | """
|
464 | 8a96c5a6 | Michael Hanselmann | return GetConfig().GetEnabledHypervisors(*args)
|
465 | e7b6183b | Michael Hanselmann | |
466 | e7b6183b | Michael Hanselmann | |
467 | 8a96c5a6 | Michael Hanselmann | def GetDefaultHypervisor(*args): |
468 | 8a96c5a6 | Michael Hanselmann | """Wrapper for L{_QaConfig.GetDefaultHypervisor}.
|
469 | e7b6183b | Michael Hanselmann |
|
470 | e7b6183b | Michael Hanselmann | """
|
471 | 8a96c5a6 | Michael Hanselmann | return GetConfig().GetDefaultHypervisor(*args)
|
472 | e7b6183b | Michael Hanselmann | |
473 | e7b6183b | Michael Hanselmann | |
474 | f346a7d9 | Michael Hanselmann | def GetInstanceNicMac(inst, default=None): |
475 | f346a7d9 | Michael Hanselmann | """Returns MAC address for instance's network interface.
|
476 | f346a7d9 | Michael Hanselmann |
|
477 | f346a7d9 | Michael Hanselmann | """
|
478 | 6a654276 | Michael Hanselmann | return inst.GetNicMacAddr(0, default) |
479 | f346a7d9 | Michael Hanselmann | |
480 | f346a7d9 | Michael Hanselmann | |
481 | cec9845c | Michael Hanselmann | def GetMasterNode(): |
482 | 8a96c5a6 | Michael Hanselmann | """Wrapper for L{_QaConfig.GetMasterNode}.
|
483 | 8a96c5a6 | Michael Hanselmann |
|
484 | 8a96c5a6 | Michael Hanselmann | """
|
485 | 8a96c5a6 | Michael Hanselmann | return GetConfig().GetMasterNode()
|
486 | cec9845c | Michael Hanselmann | |
487 | cec9845c | Michael Hanselmann | |
488 | 6a654276 | Michael Hanselmann | def AcquireInstance(_cfg=None): |
489 | cec9845c | Michael Hanselmann | """Returns an instance which isn't in use.
|
490 | cec9845c | Michael Hanselmann |
|
491 | cec9845c | Michael Hanselmann | """
|
492 | 6a654276 | Michael Hanselmann | if _cfg is None: |
493 | 6a654276 | Michael Hanselmann | cfg = GetConfig() |
494 | 6a654276 | Michael Hanselmann | else:
|
495 | 6a654276 | Michael Hanselmann | cfg = _cfg |
496 | 6a654276 | Michael Hanselmann | |
497 | cec9845c | Michael Hanselmann | # Filter out unwanted instances
|
498 | 6a654276 | Michael Hanselmann | instances = filter(lambda inst: not inst.used, cfg["instances"]) |
499 | cec9845c | Michael Hanselmann | |
500 | 6a654276 | Michael Hanselmann | if not instances: |
501 | cec9845c | Michael Hanselmann | raise qa_error.OutOfInstancesError("No instances left") |
502 | cec9845c | Michael Hanselmann | |
503 | cec9845c | Michael Hanselmann | inst = instances[0]
|
504 | 6a654276 | Michael Hanselmann | |
505 | 6a654276 | Michael Hanselmann | assert not inst.used |
506 | 6a654276 | Michael Hanselmann | assert inst.disk_template is None |
507 | 6a654276 | Michael Hanselmann | |
508 | 6a654276 | Michael Hanselmann | inst.used = True
|
509 | 6a654276 | Michael Hanselmann | |
510 | cec9845c | Michael Hanselmann | return inst
|
511 | cec9845c | Michael Hanselmann | |
512 | cec9845c | Michael Hanselmann | |
513 | 906a0346 | Bernardo Dal Seno | def GetInstanceTemplate(inst): |
514 | 906a0346 | Bernardo Dal Seno | """Return the disk template of an instance.
|
515 | 906a0346 | Bernardo Dal Seno |
|
516 | 906a0346 | Bernardo Dal Seno | """
|
517 | 6a654276 | Michael Hanselmann | templ = inst.disk_template |
518 | 906a0346 | Bernardo Dal Seno | assert templ is not None |
519 | 906a0346 | Bernardo Dal Seno | return templ
|
520 | 906a0346 | Bernardo Dal Seno | |
521 | 906a0346 | Bernardo Dal Seno | |
522 | 906a0346 | Bernardo Dal Seno | def SetInstanceTemplate(inst, template): |
523 | 906a0346 | Bernardo Dal Seno | """Set the disk template for an instance.
|
524 | 906a0346 | Bernardo Dal Seno |
|
525 | 906a0346 | Bernardo Dal Seno | """
|
526 | 6a654276 | Michael Hanselmann | inst.disk_template = template |
527 | 906a0346 | Bernardo Dal Seno | |
528 | 906a0346 | Bernardo Dal Seno | |
529 | 6a0f22e1 | Bernardo Dal Seno | def SetExclusiveStorage(value): |
530 | a08e181f | Michael Hanselmann | """Wrapper for L{_QaConfig.SetExclusiveStorage}.
|
531 | 6a0f22e1 | Bernardo Dal Seno |
|
532 | 6a0f22e1 | Bernardo Dal Seno | """
|
533 | a08e181f | Michael Hanselmann | return GetConfig().SetExclusiveStorage(value)
|
534 | 6a0f22e1 | Bernardo Dal Seno | |
535 | 6a0f22e1 | Bernardo Dal Seno | |
536 | 6a0f22e1 | Bernardo Dal Seno | def GetExclusiveStorage(): |
537 | a08e181f | Michael Hanselmann | """Wrapper for L{_QaConfig.GetExclusiveStorage}.
|
538 | 6a0f22e1 | Bernardo Dal Seno |
|
539 | 6a0f22e1 | Bernardo Dal Seno | """
|
540 | a08e181f | Michael Hanselmann | return GetConfig().GetExclusiveStorage()
|
541 | 6a0f22e1 | Bernardo Dal Seno | |
542 | 6a0f22e1 | Bernardo Dal Seno | |
543 | 27eba428 | Bernardo Dal Seno | def IsTemplateSupported(templ): |
544 | a08e181f | Michael Hanselmann | """Wrapper for L{_QaConfig.GetExclusiveStorage}.
|
545 | 27eba428 | Bernardo Dal Seno |
|
546 | 27eba428 | Bernardo Dal Seno | """
|
547 | a08e181f | Michael Hanselmann | return GetConfig().IsTemplateSupported(templ)
|
548 | 27eba428 | Bernardo Dal Seno | |
549 | 27eba428 | Bernardo Dal Seno | |
550 | dbdb0594 | Michael Hanselmann | def AcquireNode(exclude=None, _cfg=None): |
551 | cec9845c | Michael Hanselmann | """Returns the least used node.
|
552 | cec9845c | Michael Hanselmann |
|
553 | cec9845c | Michael Hanselmann | """
|
554 | dbdb0594 | Michael Hanselmann | if _cfg is None: |
555 | dbdb0594 | Michael Hanselmann | cfg = GetConfig() |
556 | dbdb0594 | Michael Hanselmann | else:
|
557 | dbdb0594 | Michael Hanselmann | cfg = _cfg |
558 | dbdb0594 | Michael Hanselmann | |
559 | dbdb0594 | Michael Hanselmann | master = cfg.GetMasterNode() |
560 | cec9845c | Michael Hanselmann | |
561 | cec9845c | Michael Hanselmann | # Filter out unwanted nodes
|
562 | cec9845c | Michael Hanselmann | # TODO: Maybe combine filters
|
563 | cec9845c | Michael Hanselmann | if exclude is None: |
564 | d0c8c01d | Iustin Pop | nodes = cfg["nodes"][:]
|
565 | 4b62db14 | Michael Hanselmann | elif isinstance(exclude, (list, tuple)): |
566 | d0c8c01d | Iustin Pop | nodes = filter(lambda node: node not in exclude, cfg["nodes"]) |
567 | cec9845c | Michael Hanselmann | else:
|
568 | d0c8c01d | Iustin Pop | nodes = filter(lambda node: node != exclude, cfg["nodes"]) |
569 | cec9845c | Michael Hanselmann | |
570 | dbdb0594 | Michael Hanselmann | nodes = filter(lambda node: node.added or node == master, nodes) |
571 | cec9845c | Michael Hanselmann | |
572 | dbdb0594 | Michael Hanselmann | if not nodes: |
573 | cec9845c | Michael Hanselmann | raise qa_error.OutOfNodesError("No nodes left") |
574 | cec9845c | Michael Hanselmann | |
575 | cec9845c | Michael Hanselmann | # Get node with least number of uses
|
576 | dbdb0594 | Michael Hanselmann | # TODO: Switch to computing sort key instead of comparing directly
|
577 | cec9845c | Michael Hanselmann | def compare(a, b): |
578 | dbdb0594 | Michael Hanselmann | result = cmp(a.use_count, b.use_count)
|
579 | cec9845c | Michael Hanselmann | if result == 0: |
580 | dbdb0594 | Michael Hanselmann | result = cmp(a.primary, b.primary)
|
581 | cec9845c | Michael Hanselmann | return result
|
582 | cec9845c | Michael Hanselmann | |
583 | cec9845c | Michael Hanselmann | nodes.sort(cmp=compare) |
584 | cec9845c | Michael Hanselmann | |
585 | dbdb0594 | Michael Hanselmann | return nodes[0].Use() |
586 | cec9845c | Michael Hanselmann | |
587 | cec9845c | Michael Hanselmann | |
588 | 7d4f1b45 | Bernardo Dal Seno | def AcquireManyNodes(num, exclude=None): |
589 | 7d4f1b45 | Bernardo Dal Seno | """Return the least used nodes.
|
590 | 7d4f1b45 | Bernardo Dal Seno |
|
591 | 7d4f1b45 | Bernardo Dal Seno | @type num: int
|
592 | 7d4f1b45 | Bernardo Dal Seno | @param num: Number of nodes; can be 0.
|
593 | 7d4f1b45 | Bernardo Dal Seno | @type exclude: list of nodes or C{None}
|
594 | 7d4f1b45 | Bernardo Dal Seno | @param exclude: nodes to be excluded from the choice
|
595 | 7d4f1b45 | Bernardo Dal Seno | @rtype: list of nodes
|
596 | 7d4f1b45 | Bernardo Dal Seno | @return: C{num} different nodes
|
597 | 7d4f1b45 | Bernardo Dal Seno |
|
598 | 7d4f1b45 | Bernardo Dal Seno | """
|
599 | 7d4f1b45 | Bernardo Dal Seno | nodes = [] |
600 | 7d4f1b45 | Bernardo Dal Seno | if exclude is None: |
601 | 7d4f1b45 | Bernardo Dal Seno | exclude = [] |
602 | 7d4f1b45 | Bernardo Dal Seno | elif isinstance(exclude, (list, tuple)): |
603 | 7d4f1b45 | Bernardo Dal Seno | # Don't modify the incoming argument
|
604 | 7d4f1b45 | Bernardo Dal Seno | exclude = list(exclude)
|
605 | 7d4f1b45 | Bernardo Dal Seno | else:
|
606 | 7d4f1b45 | Bernardo Dal Seno | exclude = [exclude] |
607 | 7d4f1b45 | Bernardo Dal Seno | |
608 | 7d4f1b45 | Bernardo Dal Seno | try:
|
609 | 7d4f1b45 | Bernardo Dal Seno | for _ in range(0, num): |
610 | 7d4f1b45 | Bernardo Dal Seno | n = AcquireNode(exclude=exclude) |
611 | 7d4f1b45 | Bernardo Dal Seno | nodes.append(n) |
612 | 7d4f1b45 | Bernardo Dal Seno | exclude.append(n) |
613 | 7d4f1b45 | Bernardo Dal Seno | except qa_error.OutOfNodesError:
|
614 | 7d4f1b45 | Bernardo Dal Seno | ReleaseManyNodes(nodes) |
615 | 7d4f1b45 | Bernardo Dal Seno | raise
|
616 | 7d4f1b45 | Bernardo Dal Seno | return nodes
|
617 | 7d4f1b45 | Bernardo Dal Seno | |
618 | 7d4f1b45 | Bernardo Dal Seno | |
619 | cec9845c | Michael Hanselmann | def ReleaseNode(node): |
620 | dbdb0594 | Michael Hanselmann | assert node.use_count > 0 |
621 | dbdb0594 | Michael Hanselmann | |
622 | dbdb0594 | Michael Hanselmann | node.use_count -= 1
|
623 | 7d4f1b45 | Bernardo Dal Seno | |
624 | 7d4f1b45 | Bernardo Dal Seno | |
625 | 7d4f1b45 | Bernardo Dal Seno | def ReleaseManyNodes(nodes): |
626 | 7d4f1b45 | Bernardo Dal Seno | for n in nodes: |
627 | 7d4f1b45 | Bernardo Dal Seno | ReleaseNode(n) |