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2 | a8083063 | Iustin Pop | #
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3 | a8083063 | Iustin Pop | |
4 | a8083063 | Iustin Pop | # Copyright (C) 2006, 2007 Google Inc.
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5 | a8083063 | Iustin Pop | #
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6 | a8083063 | Iustin Pop | # This program is free software; you can redistribute it and/or modify
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7 | a8083063 | Iustin Pop | # it under the terms of the GNU General Public License as published by
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8 | a8083063 | Iustin Pop | # the Free Software Foundation; either version 2 of the License, or
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9 | a8083063 | Iustin Pop | # (at your option) any later version.
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10 | a8083063 | Iustin Pop | #
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11 | a8083063 | Iustin Pop | # This program is distributed in the hope that it will be useful, but
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12 | a8083063 | Iustin Pop | # WITHOUT ANY WARRANTY; without even the implied warranty of
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13 | a8083063 | Iustin Pop | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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14 | a8083063 | Iustin Pop | # General Public License for more details.
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15 | a8083063 | Iustin Pop | #
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16 | a8083063 | Iustin Pop | # You should have received a copy of the GNU General Public License
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17 | a8083063 | Iustin Pop | # along with this program; if not, write to the Free Software
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18 | a8083063 | Iustin Pop | # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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19 | a8083063 | Iustin Pop | # 02110-1301, USA.
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20 | a8083063 | Iustin Pop | |
21 | a8083063 | Iustin Pop | |
22 | a8083063 | Iustin Pop | """Transportable objects for Ganeti.
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23 | a8083063 | Iustin Pop |
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24 | a8083063 | Iustin Pop | This module provides small, mostly data-only objects which are safe to
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25 | a8083063 | Iustin Pop | pass to and from external parties.
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26 | a8083063 | Iustin Pop |
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27 | a8083063 | Iustin Pop | """
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28 | a8083063 | Iustin Pop | |
29 | 7260cfbe | Iustin Pop | # pylint: disable-msg=E0203,W0201
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30 | 6c881c52 | Iustin Pop | |
31 | 6c881c52 | Iustin Pop | # E0203: Access to member %r before its definition, since we use
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32 | 6c881c52 | Iustin Pop | # objects.py which doesn't explicitely initialise its members
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33 | 6c881c52 | Iustin Pop | |
34 | 7260cfbe | Iustin Pop | # W0201: Attribute '%s' defined outside __init__
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35 | a8083063 | Iustin Pop | |
36 | a8083063 | Iustin Pop | import ConfigParser |
37 | 5c947f38 | Iustin Pop | import re |
38 | 5bf7b5cf | Iustin Pop | import copy |
39 | d5835922 | Michael Hanselmann | from cStringIO import StringIO |
40 | a8083063 | Iustin Pop | |
41 | a8083063 | Iustin Pop | from ganeti import errors |
42 | 5c947f38 | Iustin Pop | from ganeti import constants |
43 | a8083063 | Iustin Pop | |
44 | a8083063 | Iustin Pop | |
45 | a8083063 | Iustin Pop | __all__ = ["ConfigObject", "ConfigData", "NIC", "Disk", "Instance", |
46 | abe609b2 | Guido Trotter | "OS", "Node", "Cluster", "FillDict"] |
47 | a8083063 | Iustin Pop | |
48 | d693c864 | Iustin Pop | _TIMESTAMPS = ["ctime", "mtime"] |
49 | e1dcc53a | Iustin Pop | _UUID = ["uuid"]
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50 | 96acbc09 | Michael Hanselmann | |
51 | e11ddf13 | Iustin Pop | def FillDict(defaults_dict, custom_dict, skip_keys=None): |
52 | 29921401 | Iustin Pop | """Basic function to apply settings on top a default dict.
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53 | abe609b2 | Guido Trotter |
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54 | 29921401 | Iustin Pop | @type defaults_dict: dict
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55 | 29921401 | Iustin Pop | @param defaults_dict: dictionary holding the default values
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56 | 29921401 | Iustin Pop | @type custom_dict: dict
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57 | 29921401 | Iustin Pop | @param custom_dict: dictionary holding customized value
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58 | 7736a5f2 | Iustin Pop | @type skip_keys: list
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59 | 7736a5f2 | Iustin Pop | @param skip_keys: which keys not to fill
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60 | 29921401 | Iustin Pop | @rtype: dict
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61 | 29921401 | Iustin Pop | @return: dict with the 'full' values
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62 | abe609b2 | Guido Trotter |
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63 | 29921401 | Iustin Pop | """
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64 | 29921401 | Iustin Pop | ret_dict = copy.deepcopy(defaults_dict) |
65 | 29921401 | Iustin Pop | ret_dict.update(custom_dict) |
66 | e11ddf13 | Iustin Pop | if skip_keys:
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67 | e11ddf13 | Iustin Pop | for k in skip_keys: |
68 | e11ddf13 | Iustin Pop | try:
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69 | e11ddf13 | Iustin Pop | del ret_dict[k]
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70 | e11ddf13 | Iustin Pop | except KeyError: |
71 | e11ddf13 | Iustin Pop | pass
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72 | 29921401 | Iustin Pop | return ret_dict
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73 | a8083063 | Iustin Pop | |
74 | 6e34b628 | Guido Trotter | |
75 | 6e34b628 | Guido Trotter | def UpgradeGroupedParams(target, defaults): |
76 | 6e34b628 | Guido Trotter | """Update all groups for the target parameter.
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77 | 6e34b628 | Guido Trotter |
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78 | 6e34b628 | Guido Trotter | @type target: dict of dicts
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79 | 6e34b628 | Guido Trotter | @param target: {group: {parameter: value}}
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80 | 6e34b628 | Guido Trotter | @type defaults: dict
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81 | 6e34b628 | Guido Trotter | @param defaults: default parameter values
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82 | 6e34b628 | Guido Trotter |
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83 | 6e34b628 | Guido Trotter | """
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84 | 6e34b628 | Guido Trotter | if target is None: |
85 | 6e34b628 | Guido Trotter | target = {constants.PP_DEFAULT: defaults} |
86 | 6e34b628 | Guido Trotter | else:
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87 | 6e34b628 | Guido Trotter | for group in target: |
88 | 6e34b628 | Guido Trotter | target[group] = FillDict(defaults, target[group]) |
89 | 6e34b628 | Guido Trotter | return target
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90 | 6e34b628 | Guido Trotter | |
91 | 6e34b628 | Guido Trotter | |
92 | a8083063 | Iustin Pop | class ConfigObject(object): |
93 | a8083063 | Iustin Pop | """A generic config object.
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94 | a8083063 | Iustin Pop |
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95 | a8083063 | Iustin Pop | It has the following properties:
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96 | a8083063 | Iustin Pop |
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97 | a8083063 | Iustin Pop | - provides somewhat safe recursive unpickling and pickling for its classes
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98 | a8083063 | Iustin Pop | - unset attributes which are defined in slots are always returned
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99 | a8083063 | Iustin Pop | as None instead of raising an error
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100 | a8083063 | Iustin Pop |
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101 | a8083063 | Iustin Pop | Classes derived from this must always declare __slots__ (we use many
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102 | 55224070 | Guido Trotter | config objects and the memory reduction is useful)
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103 | a8083063 | Iustin Pop |
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104 | a8083063 | Iustin Pop | """
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105 | a8083063 | Iustin Pop | __slots__ = [] |
106 | a8083063 | Iustin Pop | |
107 | a8083063 | Iustin Pop | def __init__(self, **kwargs): |
108 | 319856a9 | Michael Hanselmann | for k, v in kwargs.iteritems(): |
109 | 319856a9 | Michael Hanselmann | setattr(self, k, v) |
110 | a8083063 | Iustin Pop | |
111 | a8083063 | Iustin Pop | def __getattr__(self, name): |
112 | adf385c7 | Iustin Pop | if name not in self._all_slots(): |
113 | 3ecf6786 | Iustin Pop | raise AttributeError("Invalid object attribute %s.%s" % |
114 | 3ecf6786 | Iustin Pop | (type(self).__name__, name)) |
115 | a8083063 | Iustin Pop | return None |
116 | a8083063 | Iustin Pop | |
117 | a8083063 | Iustin Pop | def __setstate__(self, state): |
118 | adf385c7 | Iustin Pop | slots = self._all_slots()
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119 | a8083063 | Iustin Pop | for name in state: |
120 | adf385c7 | Iustin Pop | if name in slots: |
121 | a8083063 | Iustin Pop | setattr(self, name, state[name]) |
122 | a8083063 | Iustin Pop | |
123 | adf385c7 | Iustin Pop | @classmethod
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124 | adf385c7 | Iustin Pop | def _all_slots(cls): |
125 | adf385c7 | Iustin Pop | """Compute the list of all declared slots for a class.
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126 | adf385c7 | Iustin Pop |
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127 | adf385c7 | Iustin Pop | """
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128 | adf385c7 | Iustin Pop | slots = [] |
129 | adf385c7 | Iustin Pop | for parent in cls.__mro__: |
130 | adf385c7 | Iustin Pop | slots.extend(getattr(parent, "__slots__", [])) |
131 | adf385c7 | Iustin Pop | return slots
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132 | adf385c7 | Iustin Pop | |
133 | ff9c047c | Iustin Pop | def ToDict(self): |
134 | ff9c047c | Iustin Pop | """Convert to a dict holding only standard python types.
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135 | ff9c047c | Iustin Pop |
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136 | ff9c047c | Iustin Pop | The generic routine just dumps all of this object's attributes in
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137 | ff9c047c | Iustin Pop | a dict. It does not work if the class has children who are
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138 | ff9c047c | Iustin Pop | ConfigObjects themselves (e.g. the nics list in an Instance), in
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139 | ff9c047c | Iustin Pop | which case the object should subclass the function in order to
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140 | ff9c047c | Iustin Pop | make sure all objects returned are only standard python types.
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141 | ff9c047c | Iustin Pop |
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142 | ff9c047c | Iustin Pop | """
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143 | 4c14965f | Guido Trotter | result = {} |
144 | adf385c7 | Iustin Pop | for name in self._all_slots(): |
145 | 4c14965f | Guido Trotter | value = getattr(self, name, None) |
146 | 4c14965f | Guido Trotter | if value is not None: |
147 | 4c14965f | Guido Trotter | result[name] = value |
148 | 4c14965f | Guido Trotter | return result
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149 | 4c14965f | Guido Trotter | |
150 | 4c14965f | Guido Trotter | __getstate__ = ToDict |
151 | ff9c047c | Iustin Pop | |
152 | ff9c047c | Iustin Pop | @classmethod
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153 | ff9c047c | Iustin Pop | def FromDict(cls, val): |
154 | ff9c047c | Iustin Pop | """Create an object from a dictionary.
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155 | ff9c047c | Iustin Pop |
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156 | ff9c047c | Iustin Pop | This generic routine takes a dict, instantiates a new instance of
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157 | ff9c047c | Iustin Pop | the given class, and sets attributes based on the dict content.
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158 | ff9c047c | Iustin Pop |
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159 | ff9c047c | Iustin Pop | As for `ToDict`, this does not work if the class has children
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160 | ff9c047c | Iustin Pop | who are ConfigObjects themselves (e.g. the nics list in an
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161 | ff9c047c | Iustin Pop | Instance), in which case the object should subclass the function
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162 | ff9c047c | Iustin Pop | and alter the objects.
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163 | ff9c047c | Iustin Pop |
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164 | ff9c047c | Iustin Pop | """
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165 | ff9c047c | Iustin Pop | if not isinstance(val, dict): |
166 | ff9c047c | Iustin Pop | raise errors.ConfigurationError("Invalid object passed to FromDict:" |
167 | ff9c047c | Iustin Pop | " expected dict, got %s" % type(val)) |
168 | 319856a9 | Michael Hanselmann | val_str = dict([(str(k), v) for k, v in val.iteritems()]) |
169 | 7260cfbe | Iustin Pop | obj = cls(**val_str) # pylint: disable-msg=W0142
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170 | ff9c047c | Iustin Pop | return obj
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171 | ff9c047c | Iustin Pop | |
172 | ff9c047c | Iustin Pop | @staticmethod
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173 | ff9c047c | Iustin Pop | def _ContainerToDicts(container): |
174 | ff9c047c | Iustin Pop | """Convert the elements of a container to standard python types.
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175 | ff9c047c | Iustin Pop |
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176 | ff9c047c | Iustin Pop | This method converts a container with elements derived from
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177 | ff9c047c | Iustin Pop | ConfigData to standard python types. If the container is a dict,
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178 | ff9c047c | Iustin Pop | we don't touch the keys, only the values.
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179 | ff9c047c | Iustin Pop |
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180 | ff9c047c | Iustin Pop | """
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181 | ff9c047c | Iustin Pop | if isinstance(container, dict): |
182 | ff9c047c | Iustin Pop | ret = dict([(k, v.ToDict()) for k, v in container.iteritems()]) |
183 | ff9c047c | Iustin Pop | elif isinstance(container, (list, tuple, set, frozenset)): |
184 | ff9c047c | Iustin Pop | ret = [elem.ToDict() for elem in container] |
185 | ff9c047c | Iustin Pop | else:
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186 | ff9c047c | Iustin Pop | raise TypeError("Invalid type %s passed to _ContainerToDicts" % |
187 | ff9c047c | Iustin Pop | type(container))
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188 | ff9c047c | Iustin Pop | return ret
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189 | ff9c047c | Iustin Pop | |
190 | ff9c047c | Iustin Pop | @staticmethod
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191 | ff9c047c | Iustin Pop | def _ContainerFromDicts(source, c_type, e_type): |
192 | ff9c047c | Iustin Pop | """Convert a container from standard python types.
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193 | ff9c047c | Iustin Pop |
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194 | ff9c047c | Iustin Pop | This method converts a container with standard python types to
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195 | ff9c047c | Iustin Pop | ConfigData objects. If the container is a dict, we don't touch the
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196 | ff9c047c | Iustin Pop | keys, only the values.
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197 | ff9c047c | Iustin Pop |
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198 | ff9c047c | Iustin Pop | """
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199 | ff9c047c | Iustin Pop | if not isinstance(c_type, type): |
200 | ff9c047c | Iustin Pop | raise TypeError("Container type %s passed to _ContainerFromDicts is" |
201 | ff9c047c | Iustin Pop | " not a type" % type(c_type)) |
202 | ff9c047c | Iustin Pop | if c_type is dict: |
203 | ff9c047c | Iustin Pop | ret = dict([(k, e_type.FromDict(v)) for k, v in source.iteritems()]) |
204 | ff9c047c | Iustin Pop | elif c_type in (list, tuple, set, frozenset): |
205 | ff9c047c | Iustin Pop | ret = c_type([e_type.FromDict(elem) for elem in source]) |
206 | ff9c047c | Iustin Pop | else:
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207 | ff9c047c | Iustin Pop | raise TypeError("Invalid container type %s passed to" |
208 | ff9c047c | Iustin Pop | " _ContainerFromDicts" % c_type)
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209 | ff9c047c | Iustin Pop | return ret
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210 | ff9c047c | Iustin Pop | |
211 | e8d563f3 | Iustin Pop | def Copy(self): |
212 | e8d563f3 | Iustin Pop | """Makes a deep copy of the current object and its children.
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213 | e8d563f3 | Iustin Pop |
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214 | e8d563f3 | Iustin Pop | """
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215 | e8d563f3 | Iustin Pop | dict_form = self.ToDict()
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216 | e8d563f3 | Iustin Pop | clone_obj = self.__class__.FromDict(dict_form)
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217 | e8d563f3 | Iustin Pop | return clone_obj
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218 | e8d563f3 | Iustin Pop | |
219 | ff9c047c | Iustin Pop | def __repr__(self): |
220 | ff9c047c | Iustin Pop | """Implement __repr__ for ConfigObjects."""
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221 | ff9c047c | Iustin Pop | return repr(self.ToDict()) |
222 | ff9c047c | Iustin Pop | |
223 | 560428be | Guido Trotter | def UpgradeConfig(self): |
224 | 560428be | Guido Trotter | """Fill defaults for missing configuration values.
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225 | 560428be | Guido Trotter |
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226 | 90d726a8 | Iustin Pop | This method will be called at configuration load time, and its
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227 | 90d726a8 | Iustin Pop | implementation will be object dependent.
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228 | 560428be | Guido Trotter |
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229 | 560428be | Guido Trotter | """
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230 | 560428be | Guido Trotter | pass
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231 | 560428be | Guido Trotter | |
232 | a8083063 | Iustin Pop | |
233 | ec29fe40 | Iustin Pop | class TaggableObject(ConfigObject): |
234 | 5c947f38 | Iustin Pop | """An generic class supporting tags.
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235 | 5c947f38 | Iustin Pop |
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236 | 5c947f38 | Iustin Pop | """
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237 | 154b9580 | Balazs Lecz | __slots__ = ["tags"]
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238 | b5e5632e | Iustin Pop | VALID_TAG_RE = re.compile("^[\w.+*/:@-]+$")
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239 | 2057f6c7 | Iustin Pop | |
240 | b5e5632e | Iustin Pop | @classmethod
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241 | b5e5632e | Iustin Pop | def ValidateTag(cls, tag): |
242 | 5c947f38 | Iustin Pop | """Check if a tag is valid.
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243 | 5c947f38 | Iustin Pop |
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244 | 5c947f38 | Iustin Pop | If the tag is invalid, an errors.TagError will be raised. The
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245 | 5c947f38 | Iustin Pop | function has no return value.
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246 | 5c947f38 | Iustin Pop |
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247 | 5c947f38 | Iustin Pop | """
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248 | 5c947f38 | Iustin Pop | if not isinstance(tag, basestring): |
249 | 3ecf6786 | Iustin Pop | raise errors.TagError("Invalid tag type (not a string)") |
250 | 5c947f38 | Iustin Pop | if len(tag) > constants.MAX_TAG_LEN: |
251 | 319856a9 | Michael Hanselmann | raise errors.TagError("Tag too long (>%d characters)" % |
252 | 319856a9 | Michael Hanselmann | constants.MAX_TAG_LEN) |
253 | 5c947f38 | Iustin Pop | if not tag: |
254 | 3ecf6786 | Iustin Pop | raise errors.TagError("Tags cannot be empty") |
255 | b5e5632e | Iustin Pop | if not cls.VALID_TAG_RE.match(tag): |
256 | 3ecf6786 | Iustin Pop | raise errors.TagError("Tag contains invalid characters") |
257 | 5c947f38 | Iustin Pop | |
258 | 5c947f38 | Iustin Pop | def GetTags(self): |
259 | 5c947f38 | Iustin Pop | """Return the tags list.
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260 | 5c947f38 | Iustin Pop |
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261 | 5c947f38 | Iustin Pop | """
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262 | 5c947f38 | Iustin Pop | tags = getattr(self, "tags", None) |
263 | 5c947f38 | Iustin Pop | if tags is None: |
264 | 5c947f38 | Iustin Pop | tags = self.tags = set() |
265 | 5c947f38 | Iustin Pop | return tags
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266 | 5c947f38 | Iustin Pop | |
267 | 5c947f38 | Iustin Pop | def AddTag(self, tag): |
268 | 5c947f38 | Iustin Pop | """Add a new tag.
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269 | 5c947f38 | Iustin Pop |
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270 | 5c947f38 | Iustin Pop | """
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271 | 5c947f38 | Iustin Pop | self.ValidateTag(tag)
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272 | 5c947f38 | Iustin Pop | tags = self.GetTags()
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273 | 5c947f38 | Iustin Pop | if len(tags) >= constants.MAX_TAGS_PER_OBJ: |
274 | 3ecf6786 | Iustin Pop | raise errors.TagError("Too many tags") |
275 | 5c947f38 | Iustin Pop | self.GetTags().add(tag)
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276 | 5c947f38 | Iustin Pop | |
277 | 5c947f38 | Iustin Pop | def RemoveTag(self, tag): |
278 | 5c947f38 | Iustin Pop | """Remove a tag.
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279 | 5c947f38 | Iustin Pop |
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280 | 5c947f38 | Iustin Pop | """
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281 | 5c947f38 | Iustin Pop | self.ValidateTag(tag)
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282 | 5c947f38 | Iustin Pop | tags = self.GetTags()
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283 | 5c947f38 | Iustin Pop | try:
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284 | 5c947f38 | Iustin Pop | tags.remove(tag) |
285 | 5c947f38 | Iustin Pop | except KeyError: |
286 | 3ecf6786 | Iustin Pop | raise errors.TagError("Tag not found") |
287 | 5c947f38 | Iustin Pop | |
288 | ff9c047c | Iustin Pop | def ToDict(self): |
289 | ff9c047c | Iustin Pop | """Taggable-object-specific conversion to standard python types.
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290 | ff9c047c | Iustin Pop |
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291 | ff9c047c | Iustin Pop | This replaces the tags set with a list.
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292 | ff9c047c | Iustin Pop |
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293 | ff9c047c | Iustin Pop | """
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294 | ff9c047c | Iustin Pop | bo = super(TaggableObject, self).ToDict() |
295 | ff9c047c | Iustin Pop | |
296 | ff9c047c | Iustin Pop | tags = bo.get("tags", None) |
297 | ff9c047c | Iustin Pop | if isinstance(tags, set): |
298 | ff9c047c | Iustin Pop | bo["tags"] = list(tags) |
299 | ff9c047c | Iustin Pop | return bo
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300 | ff9c047c | Iustin Pop | |
301 | ff9c047c | Iustin Pop | @classmethod
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302 | ff9c047c | Iustin Pop | def FromDict(cls, val): |
303 | ff9c047c | Iustin Pop | """Custom function for instances.
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304 | ff9c047c | Iustin Pop |
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305 | ff9c047c | Iustin Pop | """
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306 | ff9c047c | Iustin Pop | obj = super(TaggableObject, cls).FromDict(val)
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307 | ff9c047c | Iustin Pop | if hasattr(obj, "tags") and isinstance(obj.tags, list): |
308 | ff9c047c | Iustin Pop | obj.tags = set(obj.tags)
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309 | ff9c047c | Iustin Pop | return obj
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310 | ff9c047c | Iustin Pop | |
311 | 5c947f38 | Iustin Pop | |
312 | a8083063 | Iustin Pop | class ConfigData(ConfigObject): |
313 | a8083063 | Iustin Pop | """Top-level config object."""
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314 | 016d04b3 | Michael Hanselmann | __slots__ = (["version", "cluster", "nodes", "instances", "serial_no"] + |
315 | 016d04b3 | Michael Hanselmann | _TIMESTAMPS) |
316 | a8083063 | Iustin Pop | |
317 | ff9c047c | Iustin Pop | def ToDict(self): |
318 | ff9c047c | Iustin Pop | """Custom function for top-level config data.
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319 | ff9c047c | Iustin Pop |
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320 | ff9c047c | Iustin Pop | This just replaces the list of instances, nodes and the cluster
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321 | ff9c047c | Iustin Pop | with standard python types.
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322 | ff9c047c | Iustin Pop |
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323 | ff9c047c | Iustin Pop | """
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324 | ff9c047c | Iustin Pop | mydict = super(ConfigData, self).ToDict() |
325 | ff9c047c | Iustin Pop | mydict["cluster"] = mydict["cluster"].ToDict() |
326 | ff9c047c | Iustin Pop | for key in "nodes", "instances": |
327 | ff9c047c | Iustin Pop | mydict[key] = self._ContainerToDicts(mydict[key])
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328 | ff9c047c | Iustin Pop | |
329 | ff9c047c | Iustin Pop | return mydict
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330 | ff9c047c | Iustin Pop | |
331 | ff9c047c | Iustin Pop | @classmethod
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332 | ff9c047c | Iustin Pop | def FromDict(cls, val): |
333 | ff9c047c | Iustin Pop | """Custom function for top-level config data
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334 | ff9c047c | Iustin Pop |
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335 | ff9c047c | Iustin Pop | """
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336 | ff9c047c | Iustin Pop | obj = super(ConfigData, cls).FromDict(val)
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337 | ff9c047c | Iustin Pop | obj.cluster = Cluster.FromDict(obj.cluster) |
338 | ff9c047c | Iustin Pop | obj.nodes = cls._ContainerFromDicts(obj.nodes, dict, Node)
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339 | ff9c047c | Iustin Pop | obj.instances = cls._ContainerFromDicts(obj.instances, dict, Instance)
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340 | ff9c047c | Iustin Pop | return obj
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341 | ff9c047c | Iustin Pop | |
342 | 90d726a8 | Iustin Pop | def UpgradeConfig(self): |
343 | 90d726a8 | Iustin Pop | """Fill defaults for missing configuration values.
|
344 | 90d726a8 | Iustin Pop |
|
345 | 90d726a8 | Iustin Pop | """
|
346 | 90d726a8 | Iustin Pop | self.cluster.UpgradeConfig()
|
347 | 90d726a8 | Iustin Pop | for node in self.nodes.values(): |
348 | 90d726a8 | Iustin Pop | node.UpgradeConfig() |
349 | 90d726a8 | Iustin Pop | for instance in self.instances.values(): |
350 | 90d726a8 | Iustin Pop | instance.UpgradeConfig() |
351 | 90d726a8 | Iustin Pop | |
352 | a8083063 | Iustin Pop | |
353 | a8083063 | Iustin Pop | class NIC(ConfigObject): |
354 | a8083063 | Iustin Pop | """Config object representing a network card."""
|
355 | 13f1af63 | Guido Trotter | __slots__ = ["mac", "ip", "bridge", "nicparams"] |
356 | a8083063 | Iustin Pop | |
357 | 255e19d4 | Guido Trotter | @classmethod
|
358 | 255e19d4 | Guido Trotter | def CheckParameterSyntax(cls, nicparams): |
359 | 255e19d4 | Guido Trotter | """Check the given parameters for validity.
|
360 | 255e19d4 | Guido Trotter |
|
361 | 255e19d4 | Guido Trotter | @type nicparams: dict
|
362 | 255e19d4 | Guido Trotter | @param nicparams: dictionary with parameter names/value
|
363 | 255e19d4 | Guido Trotter | @raise errors.ConfigurationError: when a parameter is not valid
|
364 | 255e19d4 | Guido Trotter |
|
365 | 255e19d4 | Guido Trotter | """
|
366 | 255e19d4 | Guido Trotter | if nicparams[constants.NIC_MODE] not in constants.NIC_VALID_MODES: |
367 | 255e19d4 | Guido Trotter | err = "Invalid nic mode: %s" % nicparams[constants.NIC_MODE]
|
368 | 255e19d4 | Guido Trotter | raise errors.ConfigurationError(err)
|
369 | 255e19d4 | Guido Trotter | |
370 | 0c9d32c1 | Guido Trotter | if (nicparams[constants.NIC_MODE] == constants.NIC_MODE_BRIDGED and |
371 | 255e19d4 | Guido Trotter | not nicparams[constants.NIC_LINK]):
|
372 | 255e19d4 | Guido Trotter | err = "Missing bridged nic link"
|
373 | 255e19d4 | Guido Trotter | raise errors.ConfigurationError(err)
|
374 | 255e19d4 | Guido Trotter | |
375 | 13f1af63 | Guido Trotter | def UpgradeConfig(self): |
376 | 13f1af63 | Guido Trotter | """Fill defaults for missing configuration values.
|
377 | 13f1af63 | Guido Trotter |
|
378 | 13f1af63 | Guido Trotter | """
|
379 | 13f1af63 | Guido Trotter | if self.nicparams is None: |
380 | 13f1af63 | Guido Trotter | self.nicparams = {}
|
381 | 13f1af63 | Guido Trotter | if self.bridge is not None: |
382 | 13f1af63 | Guido Trotter | self.nicparams[constants.NIC_MODE] = constants.NIC_MODE_BRIDGED
|
383 | 13f1af63 | Guido Trotter | self.nicparams[constants.NIC_LINK] = self.bridge |
384 | 9b31ca85 | Guido Trotter | # bridge is no longer used it 2.1. The slot is left there to support
|
385 | 9b31ca85 | Guido Trotter | # upgrading, but will be removed in 2.2
|
386 | 9b31ca85 | Guido Trotter | if self.bridge is not None: |
387 | 9b31ca85 | Guido Trotter | self.bridge = None |
388 | 13f1af63 | Guido Trotter | |
389 | a8083063 | Iustin Pop | |
390 | a8083063 | Iustin Pop | class Disk(ConfigObject): |
391 | a8083063 | Iustin Pop | """Config object representing a block device."""
|
392 | a8083063 | Iustin Pop | __slots__ = ["dev_type", "logical_id", "physical_id", |
393 | 08db7c5c | Iustin Pop | "children", "iv_name", "size", "mode"] |
394 | a8083063 | Iustin Pop | |
395 | a8083063 | Iustin Pop | def CreateOnSecondary(self): |
396 | a8083063 | Iustin Pop | """Test if this device needs to be created on a secondary node."""
|
397 | 00fb8246 | Michael Hanselmann | return self.dev_type in (constants.LD_DRBD8, constants.LD_LV) |
398 | a8083063 | Iustin Pop | |
399 | a8083063 | Iustin Pop | def AssembleOnSecondary(self): |
400 | a8083063 | Iustin Pop | """Test if this device needs to be assembled on a secondary node."""
|
401 | 00fb8246 | Michael Hanselmann | return self.dev_type in (constants.LD_DRBD8, constants.LD_LV) |
402 | a8083063 | Iustin Pop | |
403 | a8083063 | Iustin Pop | def OpenOnSecondary(self): |
404 | a8083063 | Iustin Pop | """Test if this device needs to be opened on a secondary node."""
|
405 | fe96220b | Iustin Pop | return self.dev_type in (constants.LD_LV,) |
406 | a8083063 | Iustin Pop | |
407 | 222f2dd5 | Iustin Pop | def StaticDevPath(self): |
408 | 222f2dd5 | Iustin Pop | """Return the device path if this device type has a static one.
|
409 | 222f2dd5 | Iustin Pop |
|
410 | 222f2dd5 | Iustin Pop | Some devices (LVM for example) live always at the same /dev/ path,
|
411 | 222f2dd5 | Iustin Pop | irrespective of their status. For such devices, we return this
|
412 | 222f2dd5 | Iustin Pop | path, for others we return None.
|
413 | 222f2dd5 | Iustin Pop |
|
414 | e51db2a6 | Iustin Pop | @warning: The path returned is not a normalized pathname; callers
|
415 | e51db2a6 | Iustin Pop | should check that it is a valid path.
|
416 | e51db2a6 | Iustin Pop |
|
417 | 222f2dd5 | Iustin Pop | """
|
418 | 222f2dd5 | Iustin Pop | if self.dev_type == constants.LD_LV: |
419 | 222f2dd5 | Iustin Pop | return "/dev/%s/%s" % (self.logical_id[0], self.logical_id[1]) |
420 | 222f2dd5 | Iustin Pop | return None |
421 | 222f2dd5 | Iustin Pop | |
422 | fc1dc9d7 | Iustin Pop | def ChildrenNeeded(self): |
423 | fc1dc9d7 | Iustin Pop | """Compute the needed number of children for activation.
|
424 | fc1dc9d7 | Iustin Pop |
|
425 | fc1dc9d7 | Iustin Pop | This method will return either -1 (all children) or a positive
|
426 | fc1dc9d7 | Iustin Pop | number denoting the minimum number of children needed for
|
427 | fc1dc9d7 | Iustin Pop | activation (only mirrored devices will usually return >=0).
|
428 | fc1dc9d7 | Iustin Pop |
|
429 | fc1dc9d7 | Iustin Pop | Currently, only DRBD8 supports diskless activation (therefore we
|
430 | fc1dc9d7 | Iustin Pop | return 0), for all other we keep the previous semantics and return
|
431 | fc1dc9d7 | Iustin Pop | -1.
|
432 | fc1dc9d7 | Iustin Pop |
|
433 | fc1dc9d7 | Iustin Pop | """
|
434 | fc1dc9d7 | Iustin Pop | if self.dev_type == constants.LD_DRBD8: |
435 | fc1dc9d7 | Iustin Pop | return 0 |
436 | fc1dc9d7 | Iustin Pop | return -1 |
437 | fc1dc9d7 | Iustin Pop | |
438 | a8083063 | Iustin Pop | def GetNodes(self, node): |
439 | a8083063 | Iustin Pop | """This function returns the nodes this device lives on.
|
440 | a8083063 | Iustin Pop |
|
441 | a8083063 | Iustin Pop | Given the node on which the parent of the device lives on (or, in
|
442 | a8083063 | Iustin Pop | case of a top-level device, the primary node of the devices'
|
443 | a8083063 | Iustin Pop | instance), this function will return a list of nodes on which this
|
444 | a8083063 | Iustin Pop | devices needs to (or can) be assembled.
|
445 | a8083063 | Iustin Pop |
|
446 | a8083063 | Iustin Pop | """
|
447 | 00fb8246 | Michael Hanselmann | if self.dev_type in [constants.LD_LV, constants.LD_FILE]: |
448 | a8083063 | Iustin Pop | result = [node] |
449 | a1f445d3 | Iustin Pop | elif self.dev_type in constants.LDS_DRBD: |
450 | a8083063 | Iustin Pop | result = [self.logical_id[0], self.logical_id[1]] |
451 | a8083063 | Iustin Pop | if node not in result: |
452 | 3ecf6786 | Iustin Pop | raise errors.ConfigurationError("DRBD device passed unknown node") |
453 | a8083063 | Iustin Pop | else:
|
454 | 3ecf6786 | Iustin Pop | raise errors.ProgrammerError("Unhandled device type %s" % self.dev_type) |
455 | a8083063 | Iustin Pop | return result
|
456 | a8083063 | Iustin Pop | |
457 | a8083063 | Iustin Pop | def ComputeNodeTree(self, parent_node): |
458 | a8083063 | Iustin Pop | """Compute the node/disk tree for this disk and its children.
|
459 | a8083063 | Iustin Pop |
|
460 | a8083063 | Iustin Pop | This method, given the node on which the parent disk lives, will
|
461 | a8083063 | Iustin Pop | return the list of all (node, disk) pairs which describe the disk
|
462 | abdf0113 | Iustin Pop | tree in the most compact way. For example, a drbd/lvm stack
|
463 | abdf0113 | Iustin Pop | will be returned as (primary_node, drbd) and (secondary_node, drbd)
|
464 | abdf0113 | Iustin Pop | which represents all the top-level devices on the nodes.
|
465 | a8083063 | Iustin Pop |
|
466 | a8083063 | Iustin Pop | """
|
467 | a8083063 | Iustin Pop | my_nodes = self.GetNodes(parent_node)
|
468 | a8083063 | Iustin Pop | result = [(node, self) for node in my_nodes] |
469 | a8083063 | Iustin Pop | if not self.children: |
470 | a8083063 | Iustin Pop | # leaf device
|
471 | a8083063 | Iustin Pop | return result
|
472 | a8083063 | Iustin Pop | for node in my_nodes: |
473 | a8083063 | Iustin Pop | for child in self.children: |
474 | a8083063 | Iustin Pop | child_result = child.ComputeNodeTree(node) |
475 | a8083063 | Iustin Pop | if len(child_result) == 1: |
476 | a8083063 | Iustin Pop | # child (and all its descendants) is simple, doesn't split
|
477 | a8083063 | Iustin Pop | # over multiple hosts, so we don't need to describe it, our
|
478 | a8083063 | Iustin Pop | # own entry for this node describes it completely
|
479 | a8083063 | Iustin Pop | continue
|
480 | a8083063 | Iustin Pop | else:
|
481 | a8083063 | Iustin Pop | # check if child nodes differ from my nodes; note that
|
482 | a8083063 | Iustin Pop | # subdisk can differ from the child itself, and be instead
|
483 | a8083063 | Iustin Pop | # one of its descendants
|
484 | a8083063 | Iustin Pop | for subnode, subdisk in child_result: |
485 | a8083063 | Iustin Pop | if subnode not in my_nodes: |
486 | a8083063 | Iustin Pop | result.append((subnode, subdisk)) |
487 | a8083063 | Iustin Pop | # otherwise child is under our own node, so we ignore this
|
488 | a8083063 | Iustin Pop | # entry (but probably the other results in the list will
|
489 | a8083063 | Iustin Pop | # be different)
|
490 | a8083063 | Iustin Pop | return result
|
491 | a8083063 | Iustin Pop | |
492 | acec9d51 | Iustin Pop | def RecordGrow(self, amount): |
493 | acec9d51 | Iustin Pop | """Update the size of this disk after growth.
|
494 | acec9d51 | Iustin Pop |
|
495 | acec9d51 | Iustin Pop | This method recurses over the disks's children and updates their
|
496 | acec9d51 | Iustin Pop | size correspondigly. The method needs to be kept in sync with the
|
497 | acec9d51 | Iustin Pop | actual algorithms from bdev.
|
498 | acec9d51 | Iustin Pop |
|
499 | acec9d51 | Iustin Pop | """
|
500 | 2c42c5df | Guido Trotter | if self.dev_type == constants.LD_LV or self.dev_type == constants.LD_FILE: |
501 | acec9d51 | Iustin Pop | self.size += amount
|
502 | acec9d51 | Iustin Pop | elif self.dev_type == constants.LD_DRBD8: |
503 | acec9d51 | Iustin Pop | if self.children: |
504 | acec9d51 | Iustin Pop | self.children[0].RecordGrow(amount) |
505 | acec9d51 | Iustin Pop | self.size += amount
|
506 | acec9d51 | Iustin Pop | else:
|
507 | acec9d51 | Iustin Pop | raise errors.ProgrammerError("Disk.RecordGrow called for unsupported" |
508 | acec9d51 | Iustin Pop | " disk type %s" % self.dev_type) |
509 | acec9d51 | Iustin Pop | |
510 | a805ec18 | Iustin Pop | def UnsetSize(self): |
511 | a805ec18 | Iustin Pop | """Sets recursively the size to zero for the disk and its children.
|
512 | a805ec18 | Iustin Pop |
|
513 | a805ec18 | Iustin Pop | """
|
514 | a805ec18 | Iustin Pop | if self.children: |
515 | a805ec18 | Iustin Pop | for child in self.children: |
516 | a805ec18 | Iustin Pop | child.UnsetSize() |
517 | a805ec18 | Iustin Pop | self.size = 0 |
518 | a805ec18 | Iustin Pop | |
519 | 0402302c | Iustin Pop | def SetPhysicalID(self, target_node, nodes_ip): |
520 | 0402302c | Iustin Pop | """Convert the logical ID to the physical ID.
|
521 | 0402302c | Iustin Pop |
|
522 | 0402302c | Iustin Pop | This is used only for drbd, which needs ip/port configuration.
|
523 | 0402302c | Iustin Pop |
|
524 | 0402302c | Iustin Pop | The routine descends down and updates its children also, because
|
525 | 0402302c | Iustin Pop | this helps when the only the top device is passed to the remote
|
526 | 0402302c | Iustin Pop | node.
|
527 | 0402302c | Iustin Pop |
|
528 | 0402302c | Iustin Pop | Arguments:
|
529 | 0402302c | Iustin Pop | - target_node: the node we wish to configure for
|
530 | 0402302c | Iustin Pop | - nodes_ip: a mapping of node name to ip
|
531 | 0402302c | Iustin Pop |
|
532 | 0402302c | Iustin Pop | The target_node must exist in in nodes_ip, and must be one of the
|
533 | 0402302c | Iustin Pop | nodes in the logical ID for each of the DRBD devices encountered
|
534 | 0402302c | Iustin Pop | in the disk tree.
|
535 | 0402302c | Iustin Pop |
|
536 | 0402302c | Iustin Pop | """
|
537 | 0402302c | Iustin Pop | if self.children: |
538 | 0402302c | Iustin Pop | for child in self.children: |
539 | 0402302c | Iustin Pop | child.SetPhysicalID(target_node, nodes_ip) |
540 | 0402302c | Iustin Pop | |
541 | 0402302c | Iustin Pop | if self.logical_id is None and self.physical_id is not None: |
542 | 0402302c | Iustin Pop | return
|
543 | 0402302c | Iustin Pop | if self.dev_type in constants.LDS_DRBD: |
544 | f9518d38 | Iustin Pop | pnode, snode, port, pminor, sminor, secret = self.logical_id
|
545 | 0402302c | Iustin Pop | if target_node not in (pnode, snode): |
546 | 0402302c | Iustin Pop | raise errors.ConfigurationError("DRBD device not knowing node %s" % |
547 | 0402302c | Iustin Pop | target_node) |
548 | 0402302c | Iustin Pop | pnode_ip = nodes_ip.get(pnode, None)
|
549 | 0402302c | Iustin Pop | snode_ip = nodes_ip.get(snode, None)
|
550 | 0402302c | Iustin Pop | if pnode_ip is None or snode_ip is None: |
551 | 0402302c | Iustin Pop | raise errors.ConfigurationError("Can't find primary or secondary node" |
552 | 0402302c | Iustin Pop | " for %s" % str(self)) |
553 | ffa1c0dc | Iustin Pop | p_data = (pnode_ip, port) |
554 | ffa1c0dc | Iustin Pop | s_data = (snode_ip, port) |
555 | 0402302c | Iustin Pop | if pnode == target_node:
|
556 | f9518d38 | Iustin Pop | self.physical_id = p_data + s_data + (pminor, secret)
|
557 | 0402302c | Iustin Pop | else: # it must be secondary, we tested above |
558 | f9518d38 | Iustin Pop | self.physical_id = s_data + p_data + (sminor, secret)
|
559 | 0402302c | Iustin Pop | else:
|
560 | 0402302c | Iustin Pop | self.physical_id = self.logical_id |
561 | 0402302c | Iustin Pop | return
|
562 | 0402302c | Iustin Pop | |
563 | ff9c047c | Iustin Pop | def ToDict(self): |
564 | ff9c047c | Iustin Pop | """Disk-specific conversion to standard python types.
|
565 | ff9c047c | Iustin Pop |
|
566 | ff9c047c | Iustin Pop | This replaces the children lists of objects with lists of
|
567 | ff9c047c | Iustin Pop | standard python types.
|
568 | ff9c047c | Iustin Pop |
|
569 | ff9c047c | Iustin Pop | """
|
570 | ff9c047c | Iustin Pop | bo = super(Disk, self).ToDict() |
571 | ff9c047c | Iustin Pop | |
572 | ff9c047c | Iustin Pop | for attr in ("children",): |
573 | ff9c047c | Iustin Pop | alist = bo.get(attr, None)
|
574 | ff9c047c | Iustin Pop | if alist:
|
575 | ff9c047c | Iustin Pop | bo[attr] = self._ContainerToDicts(alist)
|
576 | ff9c047c | Iustin Pop | return bo
|
577 | ff9c047c | Iustin Pop | |
578 | ff9c047c | Iustin Pop | @classmethod
|
579 | ff9c047c | Iustin Pop | def FromDict(cls, val): |
580 | ff9c047c | Iustin Pop | """Custom function for Disks
|
581 | ff9c047c | Iustin Pop |
|
582 | ff9c047c | Iustin Pop | """
|
583 | ff9c047c | Iustin Pop | obj = super(Disk, cls).FromDict(val)
|
584 | ff9c047c | Iustin Pop | if obj.children:
|
585 | ff9c047c | Iustin Pop | obj.children = cls._ContainerFromDicts(obj.children, list, Disk)
|
586 | ff9c047c | Iustin Pop | if obj.logical_id and isinstance(obj.logical_id, list): |
587 | ff9c047c | Iustin Pop | obj.logical_id = tuple(obj.logical_id)
|
588 | ff9c047c | Iustin Pop | if obj.physical_id and isinstance(obj.physical_id, list): |
589 | ff9c047c | Iustin Pop | obj.physical_id = tuple(obj.physical_id)
|
590 | f9518d38 | Iustin Pop | if obj.dev_type in constants.LDS_DRBD: |
591 | f9518d38 | Iustin Pop | # we need a tuple of length six here
|
592 | f9518d38 | Iustin Pop | if len(obj.logical_id) < 6: |
593 | f9518d38 | Iustin Pop | obj.logical_id += (None,) * (6 - len(obj.logical_id)) |
594 | ff9c047c | Iustin Pop | return obj
|
595 | ff9c047c | Iustin Pop | |
596 | 65a15336 | Iustin Pop | def __str__(self): |
597 | 65a15336 | Iustin Pop | """Custom str() formatter for disks.
|
598 | 65a15336 | Iustin Pop |
|
599 | 65a15336 | Iustin Pop | """
|
600 | 65a15336 | Iustin Pop | if self.dev_type == constants.LD_LV: |
601 | 65a15336 | Iustin Pop | val = "<LogicalVolume(/dev/%s/%s" % self.logical_id |
602 | 65a15336 | Iustin Pop | elif self.dev_type in constants.LDS_DRBD: |
603 | 89f28b76 | Iustin Pop | node_a, node_b, port, minor_a, minor_b = self.logical_id[:5] |
604 | 00fb8246 | Michael Hanselmann | val = "<DRBD8("
|
605 | 073ca59e | Iustin Pop | if self.physical_id is None: |
606 | 073ca59e | Iustin Pop | phy = "unconfigured"
|
607 | 073ca59e | Iustin Pop | else:
|
608 | 073ca59e | Iustin Pop | phy = ("configured as %s:%s %s:%s" %
|
609 | 25a915d0 | Iustin Pop | (self.physical_id[0], self.physical_id[1], |
610 | 25a915d0 | Iustin Pop | self.physical_id[2], self.physical_id[3])) |
611 | 073ca59e | Iustin Pop | |
612 | 89f28b76 | Iustin Pop | val += ("hosts=%s/%d-%s/%d, port=%s, %s, " %
|
613 | 89f28b76 | Iustin Pop | (node_a, minor_a, node_b, minor_b, port, phy)) |
614 | 65a15336 | Iustin Pop | if self.children and self.children.count(None) == 0: |
615 | 65a15336 | Iustin Pop | val += "backend=%s, metadev=%s" % (self.children[0], self.children[1]) |
616 | 65a15336 | Iustin Pop | else:
|
617 | 65a15336 | Iustin Pop | val += "no local storage"
|
618 | 65a15336 | Iustin Pop | else:
|
619 | 65a15336 | Iustin Pop | val = ("<Disk(type=%s, logical_id=%s, physical_id=%s, children=%s" %
|
620 | 65a15336 | Iustin Pop | (self.dev_type, self.logical_id, self.physical_id, self.children)) |
621 | 65a15336 | Iustin Pop | if self.iv_name is None: |
622 | 65a15336 | Iustin Pop | val += ", not visible"
|
623 | 65a15336 | Iustin Pop | else:
|
624 | 65a15336 | Iustin Pop | val += ", visible as /dev/%s" % self.iv_name |
625 | fd965830 | Iustin Pop | if isinstance(self.size, int): |
626 | fd965830 | Iustin Pop | val += ", size=%dm)>" % self.size |
627 | fd965830 | Iustin Pop | else:
|
628 | fd965830 | Iustin Pop | val += ", size='%s')>" % (self.size,) |
629 | 65a15336 | Iustin Pop | return val
|
630 | 65a15336 | Iustin Pop | |
631 | 332d0e37 | Iustin Pop | def Verify(self): |
632 | 332d0e37 | Iustin Pop | """Checks that this disk is correctly configured.
|
633 | 332d0e37 | Iustin Pop |
|
634 | 332d0e37 | Iustin Pop | """
|
635 | 7c4d6c7b | Michael Hanselmann | all_errors = [] |
636 | 332d0e37 | Iustin Pop | if self.mode not in constants.DISK_ACCESS_SET: |
637 | 7c4d6c7b | Michael Hanselmann | all_errors.append("Disk access mode '%s' is invalid" % (self.mode, )) |
638 | 7c4d6c7b | Michael Hanselmann | return all_errors
|
639 | 332d0e37 | Iustin Pop | |
640 | 90d726a8 | Iustin Pop | def UpgradeConfig(self): |
641 | 90d726a8 | Iustin Pop | """Fill defaults for missing configuration values.
|
642 | 90d726a8 | Iustin Pop |
|
643 | 90d726a8 | Iustin Pop | """
|
644 | 90d726a8 | Iustin Pop | if self.children: |
645 | 90d726a8 | Iustin Pop | for child in self.children: |
646 | 90d726a8 | Iustin Pop | child.UpgradeConfig() |
647 | 90d726a8 | Iustin Pop | # add here config upgrade for this disk
|
648 | 90d726a8 | Iustin Pop | |
649 | a8083063 | Iustin Pop | |
650 | ec29fe40 | Iustin Pop | class Instance(TaggableObject): |
651 | a8083063 | Iustin Pop | """Config object representing an instance."""
|
652 | 154b9580 | Balazs Lecz | __slots__ = [ |
653 | a8083063 | Iustin Pop | "name",
|
654 | a8083063 | Iustin Pop | "primary_node",
|
655 | a8083063 | Iustin Pop | "os",
|
656 | e69d05fd | Iustin Pop | "hypervisor",
|
657 | 5bf7b5cf | Iustin Pop | "hvparams",
|
658 | 5bf7b5cf | Iustin Pop | "beparams",
|
659 | 0d68c45d | Iustin Pop | "admin_up",
|
660 | a8083063 | Iustin Pop | "nics",
|
661 | a8083063 | Iustin Pop | "disks",
|
662 | a8083063 | Iustin Pop | "disk_template",
|
663 | 58acb49d | Alexander Schreiber | "network_port",
|
664 | be1fa613 | Iustin Pop | "serial_no",
|
665 | e1dcc53a | Iustin Pop | ] + _TIMESTAMPS + _UUID |
666 | a8083063 | Iustin Pop | |
667 | a8083063 | Iustin Pop | def _ComputeSecondaryNodes(self): |
668 | a8083063 | Iustin Pop | """Compute the list of secondary nodes.
|
669 | a8083063 | Iustin Pop |
|
670 | cfcc5c6d | Iustin Pop | This is a simple wrapper over _ComputeAllNodes.
|
671 | cfcc5c6d | Iustin Pop |
|
672 | cfcc5c6d | Iustin Pop | """
|
673 | cfcc5c6d | Iustin Pop | all_nodes = set(self._ComputeAllNodes()) |
674 | cfcc5c6d | Iustin Pop | all_nodes.discard(self.primary_node)
|
675 | cfcc5c6d | Iustin Pop | return tuple(all_nodes) |
676 | cfcc5c6d | Iustin Pop | |
677 | cfcc5c6d | Iustin Pop | secondary_nodes = property(_ComputeSecondaryNodes, None, None, |
678 | cfcc5c6d | Iustin Pop | "List of secondary nodes")
|
679 | cfcc5c6d | Iustin Pop | |
680 | cfcc5c6d | Iustin Pop | def _ComputeAllNodes(self): |
681 | cfcc5c6d | Iustin Pop | """Compute the list of all nodes.
|
682 | cfcc5c6d | Iustin Pop |
|
683 | a8083063 | Iustin Pop | Since the data is already there (in the drbd disks), keeping it as
|
684 | a8083063 | Iustin Pop | a separate normal attribute is redundant and if not properly
|
685 | a8083063 | Iustin Pop | synchronised can cause problems. Thus it's better to compute it
|
686 | a8083063 | Iustin Pop | dynamically.
|
687 | a8083063 | Iustin Pop |
|
688 | a8083063 | Iustin Pop | """
|
689 | cfcc5c6d | Iustin Pop | def _Helper(nodes, device): |
690 | cfcc5c6d | Iustin Pop | """Recursively computes nodes given a top device."""
|
691 | a1f445d3 | Iustin Pop | if device.dev_type in constants.LDS_DRBD: |
692 | cfcc5c6d | Iustin Pop | nodea, nodeb = device.logical_id[:2]
|
693 | cfcc5c6d | Iustin Pop | nodes.add(nodea) |
694 | cfcc5c6d | Iustin Pop | nodes.add(nodeb) |
695 | a8083063 | Iustin Pop | if device.children:
|
696 | a8083063 | Iustin Pop | for child in device.children: |
697 | cfcc5c6d | Iustin Pop | _Helper(nodes, child) |
698 | a8083063 | Iustin Pop | |
699 | cfcc5c6d | Iustin Pop | all_nodes = set()
|
700 | 99c7b2a1 | Iustin Pop | all_nodes.add(self.primary_node)
|
701 | a8083063 | Iustin Pop | for device in self.disks: |
702 | cfcc5c6d | Iustin Pop | _Helper(all_nodes, device) |
703 | cfcc5c6d | Iustin Pop | return tuple(all_nodes) |
704 | a8083063 | Iustin Pop | |
705 | cfcc5c6d | Iustin Pop | all_nodes = property(_ComputeAllNodes, None, None, |
706 | cfcc5c6d | Iustin Pop | "List of all nodes of the instance")
|
707 | a8083063 | Iustin Pop | |
708 | a8083063 | Iustin Pop | def MapLVsByNode(self, lvmap=None, devs=None, node=None): |
709 | a8083063 | Iustin Pop | """Provide a mapping of nodes to LVs this instance owns.
|
710 | a8083063 | Iustin Pop |
|
711 | c41eea6e | Iustin Pop | This function figures out what logical volumes should belong on
|
712 | c41eea6e | Iustin Pop | which nodes, recursing through a device tree.
|
713 | a8083063 | Iustin Pop |
|
714 | c41eea6e | Iustin Pop | @param lvmap: optional dictionary to receive the
|
715 | c41eea6e | Iustin Pop | 'node' : ['lv', ...] data.
|
716 | a8083063 | Iustin Pop |
|
717 | c41eea6e | Iustin Pop | @return: None if lvmap arg is given, otherwise, a dictionary
|
718 | c41eea6e | Iustin Pop | of the form { 'nodename' : ['volume1', 'volume2', ...], ... }
|
719 | a8083063 | Iustin Pop |
|
720 | a8083063 | Iustin Pop | """
|
721 | a8083063 | Iustin Pop | if node == None: |
722 | a8083063 | Iustin Pop | node = self.primary_node
|
723 | a8083063 | Iustin Pop | |
724 | a8083063 | Iustin Pop | if lvmap is None: |
725 | a8083063 | Iustin Pop | lvmap = { node : [] } |
726 | a8083063 | Iustin Pop | ret = lvmap |
727 | a8083063 | Iustin Pop | else:
|
728 | a8083063 | Iustin Pop | if not node in lvmap: |
729 | a8083063 | Iustin Pop | lvmap[node] = [] |
730 | a8083063 | Iustin Pop | ret = None
|
731 | a8083063 | Iustin Pop | |
732 | a8083063 | Iustin Pop | if not devs: |
733 | a8083063 | Iustin Pop | devs = self.disks
|
734 | a8083063 | Iustin Pop | |
735 | a8083063 | Iustin Pop | for dev in devs: |
736 | fe96220b | Iustin Pop | if dev.dev_type == constants.LD_LV:
|
737 | a8083063 | Iustin Pop | lvmap[node].append(dev.logical_id[1])
|
738 | a8083063 | Iustin Pop | |
739 | a1f445d3 | Iustin Pop | elif dev.dev_type in constants.LDS_DRBD: |
740 | a8083063 | Iustin Pop | if dev.children:
|
741 | a8083063 | Iustin Pop | self.MapLVsByNode(lvmap, dev.children, dev.logical_id[0]) |
742 | a8083063 | Iustin Pop | self.MapLVsByNode(lvmap, dev.children, dev.logical_id[1]) |
743 | a8083063 | Iustin Pop | |
744 | a8083063 | Iustin Pop | elif dev.children:
|
745 | a8083063 | Iustin Pop | self.MapLVsByNode(lvmap, dev.children, node)
|
746 | a8083063 | Iustin Pop | |
747 | a8083063 | Iustin Pop | return ret
|
748 | a8083063 | Iustin Pop | |
749 | ad24e046 | Iustin Pop | def FindDisk(self, idx): |
750 | ad24e046 | Iustin Pop | """Find a disk given having a specified index.
|
751 | 644eeef9 | Iustin Pop |
|
752 | ad24e046 | Iustin Pop | This is just a wrapper that does validation of the index.
|
753 | 644eeef9 | Iustin Pop |
|
754 | ad24e046 | Iustin Pop | @type idx: int
|
755 | ad24e046 | Iustin Pop | @param idx: the disk index
|
756 | ad24e046 | Iustin Pop | @rtype: L{Disk}
|
757 | ad24e046 | Iustin Pop | @return: the corresponding disk
|
758 | ad24e046 | Iustin Pop | @raise errors.OpPrereqError: when the given index is not valid
|
759 | 644eeef9 | Iustin Pop |
|
760 | ad24e046 | Iustin Pop | """
|
761 | ad24e046 | Iustin Pop | try:
|
762 | ad24e046 | Iustin Pop | idx = int(idx)
|
763 | ad24e046 | Iustin Pop | return self.disks[idx] |
764 | 691744c4 | Iustin Pop | except (TypeError, ValueError), err: |
765 | debac808 | Iustin Pop | raise errors.OpPrereqError("Invalid disk index: '%s'" % str(err), |
766 | debac808 | Iustin Pop | errors.ECODE_INVAL) |
767 | ad24e046 | Iustin Pop | except IndexError: |
768 | ad24e046 | Iustin Pop | raise errors.OpPrereqError("Invalid disk index: %d (instace has disks" |
769 | debac808 | Iustin Pop | " 0 to %d" % (idx, len(self.disks)), |
770 | debac808 | Iustin Pop | errors.ECODE_INVAL) |
771 | 644eeef9 | Iustin Pop | |
772 | ff9c047c | Iustin Pop | def ToDict(self): |
773 | ff9c047c | Iustin Pop | """Instance-specific conversion to standard python types.
|
774 | ff9c047c | Iustin Pop |
|
775 | ff9c047c | Iustin Pop | This replaces the children lists of objects with lists of standard
|
776 | ff9c047c | Iustin Pop | python types.
|
777 | ff9c047c | Iustin Pop |
|
778 | ff9c047c | Iustin Pop | """
|
779 | ff9c047c | Iustin Pop | bo = super(Instance, self).ToDict() |
780 | ff9c047c | Iustin Pop | |
781 | ff9c047c | Iustin Pop | for attr in "nics", "disks": |
782 | ff9c047c | Iustin Pop | alist = bo.get(attr, None)
|
783 | ff9c047c | Iustin Pop | if alist:
|
784 | ff9c047c | Iustin Pop | nlist = self._ContainerToDicts(alist)
|
785 | ff9c047c | Iustin Pop | else:
|
786 | ff9c047c | Iustin Pop | nlist = [] |
787 | ff9c047c | Iustin Pop | bo[attr] = nlist |
788 | ff9c047c | Iustin Pop | return bo
|
789 | ff9c047c | Iustin Pop | |
790 | ff9c047c | Iustin Pop | @classmethod
|
791 | ff9c047c | Iustin Pop | def FromDict(cls, val): |
792 | ff9c047c | Iustin Pop | """Custom function for instances.
|
793 | ff9c047c | Iustin Pop |
|
794 | ff9c047c | Iustin Pop | """
|
795 | ff9c047c | Iustin Pop | obj = super(Instance, cls).FromDict(val)
|
796 | ff9c047c | Iustin Pop | obj.nics = cls._ContainerFromDicts(obj.nics, list, NIC)
|
797 | ff9c047c | Iustin Pop | obj.disks = cls._ContainerFromDicts(obj.disks, list, Disk)
|
798 | ff9c047c | Iustin Pop | return obj
|
799 | ff9c047c | Iustin Pop | |
800 | 90d726a8 | Iustin Pop | def UpgradeConfig(self): |
801 | 90d726a8 | Iustin Pop | """Fill defaults for missing configuration values.
|
802 | 90d726a8 | Iustin Pop |
|
803 | 90d726a8 | Iustin Pop | """
|
804 | 90d726a8 | Iustin Pop | for nic in self.nics: |
805 | 90d726a8 | Iustin Pop | nic.UpgradeConfig() |
806 | 90d726a8 | Iustin Pop | for disk in self.disks: |
807 | 90d726a8 | Iustin Pop | disk.UpgradeConfig() |
808 | 7736a5f2 | Iustin Pop | if self.hvparams: |
809 | 7736a5f2 | Iustin Pop | for key in constants.HVC_GLOBALS: |
810 | 7736a5f2 | Iustin Pop | try:
|
811 | 7736a5f2 | Iustin Pop | del self.hvparams[key] |
812 | 7736a5f2 | Iustin Pop | except KeyError: |
813 | 7736a5f2 | Iustin Pop | pass
|
814 | 90d726a8 | Iustin Pop | |
815 | a8083063 | Iustin Pop | |
816 | a8083063 | Iustin Pop | class OS(ConfigObject): |
817 | a8083063 | Iustin Pop | """Config object representing an operating system."""
|
818 | a8083063 | Iustin Pop | __slots__ = [ |
819 | a8083063 | Iustin Pop | "name",
|
820 | a8083063 | Iustin Pop | "path",
|
821 | 082a7f91 | Guido Trotter | "api_versions",
|
822 | a8083063 | Iustin Pop | "create_script",
|
823 | a8083063 | Iustin Pop | "export_script",
|
824 | 386b57af | Iustin Pop | "import_script",
|
825 | 386b57af | Iustin Pop | "rename_script",
|
826 | 6d79896b | Guido Trotter | "supported_variants",
|
827 | a8083063 | Iustin Pop | ] |
828 | a8083063 | Iustin Pop | |
829 | 7c0d6283 | Michael Hanselmann | |
830 | ec29fe40 | Iustin Pop | class Node(TaggableObject): |
831 | a8083063 | Iustin Pop | """Config object representing a node."""
|
832 | 154b9580 | Balazs Lecz | __slots__ = [ |
833 | ec29fe40 | Iustin Pop | "name",
|
834 | ec29fe40 | Iustin Pop | "primary_ip",
|
835 | ec29fe40 | Iustin Pop | "secondary_ip",
|
836 | be1fa613 | Iustin Pop | "serial_no",
|
837 | 8b8b8b81 | Iustin Pop | "master_candidate",
|
838 | fc0fe88c | Iustin Pop | "offline",
|
839 | af64c0ea | Iustin Pop | "drained",
|
840 | e1dcc53a | Iustin Pop | ] + _TIMESTAMPS + _UUID |
841 | a8083063 | Iustin Pop | |
842 | a8083063 | Iustin Pop | |
843 | ec29fe40 | Iustin Pop | class Cluster(TaggableObject): |
844 | a8083063 | Iustin Pop | """Config object representing the cluster."""
|
845 | 154b9580 | Balazs Lecz | __slots__ = [ |
846 | a8083063 | Iustin Pop | "serial_no",
|
847 | a8083063 | Iustin Pop | "rsahostkeypub",
|
848 | a8083063 | Iustin Pop | "highest_used_port",
|
849 | b2fddf63 | Iustin Pop | "tcpudp_port_pool",
|
850 | a8083063 | Iustin Pop | "mac_prefix",
|
851 | a8083063 | Iustin Pop | "volume_group_name",
|
852 | a8083063 | Iustin Pop | "default_bridge",
|
853 | 02691904 | Alexander Schreiber | "default_hypervisor",
|
854 | f6bd6e98 | Michael Hanselmann | "master_node",
|
855 | f6bd6e98 | Michael Hanselmann | "master_ip",
|
856 | f6bd6e98 | Michael Hanselmann | "master_netdev",
|
857 | f6bd6e98 | Michael Hanselmann | "cluster_name",
|
858 | f6bd6e98 | Michael Hanselmann | "file_storage_dir",
|
859 | e69d05fd | Iustin Pop | "enabled_hypervisors",
|
860 | 5bf7b5cf | Iustin Pop | "hvparams",
|
861 | 17463d22 | René Nussbaumer | "os_hvp",
|
862 | 5bf7b5cf | Iustin Pop | "beparams",
|
863 | c8fcde47 | Guido Trotter | "nicparams",
|
864 | 4b7735f9 | Iustin Pop | "candidate_pool_size",
|
865 | b86a6bcd | Guido Trotter | "modify_etc_hosts",
|
866 | b989b9d9 | Ken Wehr | "modify_ssh_setup",
|
867 | 3953242f | Iustin Pop | "maintain_node_health",
|
868 | 4437d889 | Balazs Lecz | "uid_pool",
|
869 | e1dcc53a | Iustin Pop | ] + _TIMESTAMPS + _UUID |
870 | a8083063 | Iustin Pop | |
871 | b86a6bcd | Guido Trotter | def UpgradeConfig(self): |
872 | b86a6bcd | Guido Trotter | """Fill defaults for missing configuration values.
|
873 | b86a6bcd | Guido Trotter |
|
874 | b86a6bcd | Guido Trotter | """
|
875 | fe267188 | Iustin Pop | # pylint: disable-msg=E0203
|
876 | fe267188 | Iustin Pop | # because these are "defined" via slots, not manually
|
877 | c1b42c18 | Guido Trotter | if self.hvparams is None: |
878 | c1b42c18 | Guido Trotter | self.hvparams = constants.HVC_DEFAULTS
|
879 | c1b42c18 | Guido Trotter | else:
|
880 | c1b42c18 | Guido Trotter | for hypervisor in self.hvparams: |
881 | abe609b2 | Guido Trotter | self.hvparams[hypervisor] = FillDict(
|
882 | c1b42c18 | Guido Trotter | constants.HVC_DEFAULTS[hypervisor], self.hvparams[hypervisor])
|
883 | c1b42c18 | Guido Trotter | |
884 | 17463d22 | René Nussbaumer | # TODO: Figure out if it's better to put this into OS than Cluster
|
885 | 17463d22 | René Nussbaumer | if self.os_hvp is None: |
886 | 17463d22 | René Nussbaumer | self.os_hvp = {}
|
887 | 17463d22 | René Nussbaumer | |
888 | 6e34b628 | Guido Trotter | self.beparams = UpgradeGroupedParams(self.beparams, |
889 | 6e34b628 | Guido Trotter | constants.BEC_DEFAULTS) |
890 | c8fcde47 | Guido Trotter | migrate_default_bridge = not self.nicparams |
891 | c8fcde47 | Guido Trotter | self.nicparams = UpgradeGroupedParams(self.nicparams, |
892 | c8fcde47 | Guido Trotter | constants.NICC_DEFAULTS) |
893 | c8fcde47 | Guido Trotter | if migrate_default_bridge:
|
894 | c8fcde47 | Guido Trotter | self.nicparams[constants.PP_DEFAULT][constants.NIC_LINK] = \
|
895 | c8fcde47 | Guido Trotter | self.default_bridge
|
896 | c1b42c18 | Guido Trotter | |
897 | b86a6bcd | Guido Trotter | if self.modify_etc_hosts is None: |
898 | b86a6bcd | Guido Trotter | self.modify_etc_hosts = True |
899 | b86a6bcd | Guido Trotter | |
900 | b989b9d9 | Ken Wehr | if self.modify_ssh_setup is None: |
901 | b989b9d9 | Ken Wehr | self.modify_ssh_setup = True |
902 | b989b9d9 | Ken Wehr | |
903 | 9b31ca85 | Guido Trotter | # default_bridge is no longer used it 2.1. The slot is left there to
|
904 | 9b31ca85 | Guido Trotter | # support auto-upgrading, but will be removed in 2.2
|
905 | 9b31ca85 | Guido Trotter | if self.default_bridge is not None: |
906 | 9b31ca85 | Guido Trotter | self.default_bridge = None |
907 | 9b31ca85 | Guido Trotter | |
908 | 066f465d | Guido Trotter | # default_hypervisor is just the first enabled one in 2.1
|
909 | 066f465d | Guido Trotter | if self.default_hypervisor is not None: |
910 | 016d04b3 | Michael Hanselmann | self.enabled_hypervisors = ([self.default_hypervisor] + |
911 | 066f465d | Guido Trotter | [hvname for hvname in self.enabled_hypervisors |
912 | 016d04b3 | Michael Hanselmann | if hvname != self.default_hypervisor]) |
913 | 066f465d | Guido Trotter | self.default_hypervisor = None |
914 | 066f465d | Guido Trotter | |
915 | 3953242f | Iustin Pop | # maintain_node_health added after 2.1.1
|
916 | 3953242f | Iustin Pop | if self.maintain_node_health is None: |
917 | 3953242f | Iustin Pop | self.maintain_node_health = False |
918 | 3953242f | Iustin Pop | |
919 | 4437d889 | Balazs Lecz | if self.uid_pool is None: |
920 | 4437d889 | Balazs Lecz | self.uid_pool = []
|
921 | 4437d889 | Balazs Lecz | |
922 | 319856a9 | Michael Hanselmann | def ToDict(self): |
923 | 319856a9 | Michael Hanselmann | """Custom function for cluster.
|
924 | 319856a9 | Michael Hanselmann |
|
925 | 319856a9 | Michael Hanselmann | """
|
926 | b60ae2ca | Iustin Pop | mydict = super(Cluster, self).ToDict() |
927 | 319856a9 | Michael Hanselmann | mydict["tcpudp_port_pool"] = list(self.tcpudp_port_pool) |
928 | 319856a9 | Michael Hanselmann | return mydict
|
929 | 319856a9 | Michael Hanselmann | |
930 | 319856a9 | Michael Hanselmann | @classmethod
|
931 | 319856a9 | Michael Hanselmann | def FromDict(cls, val): |
932 | 319856a9 | Michael Hanselmann | """Custom function for cluster.
|
933 | 319856a9 | Michael Hanselmann |
|
934 | 319856a9 | Michael Hanselmann | """
|
935 | b60ae2ca | Iustin Pop | obj = super(Cluster, cls).FromDict(val)
|
936 | 319856a9 | Michael Hanselmann | if not isinstance(obj.tcpudp_port_pool, set): |
937 | 319856a9 | Michael Hanselmann | obj.tcpudp_port_pool = set(obj.tcpudp_port_pool)
|
938 | 319856a9 | Michael Hanselmann | return obj
|
939 | 319856a9 | Michael Hanselmann | |
940 | d63479b5 | Iustin Pop | def GetHVDefaults(self, hypervisor, os_name=None, skip_keys=None): |
941 | d63479b5 | Iustin Pop | """Get the default hypervisor parameters for the cluster.
|
942 | d63479b5 | Iustin Pop |
|
943 | d63479b5 | Iustin Pop | @param hypervisor: the hypervisor name
|
944 | d63479b5 | Iustin Pop | @param os_name: if specified, we'll also update the defaults for this OS
|
945 | d63479b5 | Iustin Pop | @param skip_keys: if passed, list of keys not to use
|
946 | d63479b5 | Iustin Pop | @return: the defaults dict
|
947 | d63479b5 | Iustin Pop |
|
948 | d63479b5 | Iustin Pop | """
|
949 | d63479b5 | Iustin Pop | if skip_keys is None: |
950 | d63479b5 | Iustin Pop | skip_keys = [] |
951 | d63479b5 | Iustin Pop | |
952 | d63479b5 | Iustin Pop | fill_stack = [self.hvparams.get(hypervisor, {})]
|
953 | d63479b5 | Iustin Pop | if os_name is not None: |
954 | d63479b5 | Iustin Pop | os_hvp = self.os_hvp.get(os_name, {}).get(hypervisor, {})
|
955 | d63479b5 | Iustin Pop | fill_stack.append(os_hvp) |
956 | d63479b5 | Iustin Pop | |
957 | d63479b5 | Iustin Pop | ret_dict = {} |
958 | d63479b5 | Iustin Pop | for o_dict in fill_stack: |
959 | d63479b5 | Iustin Pop | ret_dict = FillDict(ret_dict, o_dict, skip_keys=skip_keys) |
960 | d63479b5 | Iustin Pop | |
961 | d63479b5 | Iustin Pop | return ret_dict
|
962 | d63479b5 | Iustin Pop | |
963 | d63479b5 | Iustin Pop | |
964 | 7736a5f2 | Iustin Pop | def FillHV(self, instance, skip_globals=False): |
965 | 5bf7b5cf | Iustin Pop | """Fill an instance's hvparams dict.
|
966 | 5bf7b5cf | Iustin Pop |
|
967 | a2a24f4c | Guido Trotter | @type instance: L{objects.Instance}
|
968 | 5bf7b5cf | Iustin Pop | @param instance: the instance parameter to fill
|
969 | 7736a5f2 | Iustin Pop | @type skip_globals: boolean
|
970 | 7736a5f2 | Iustin Pop | @param skip_globals: if True, the global hypervisor parameters will
|
971 | 7736a5f2 | Iustin Pop | not be filled
|
972 | 5bf7b5cf | Iustin Pop | @rtype: dict
|
973 | 5bf7b5cf | Iustin Pop | @return: a copy of the instance's hvparams with missing keys filled from
|
974 | 5bf7b5cf | Iustin Pop | the cluster defaults
|
975 | 5bf7b5cf | Iustin Pop |
|
976 | 5bf7b5cf | Iustin Pop | """
|
977 | 7736a5f2 | Iustin Pop | if skip_globals:
|
978 | 7736a5f2 | Iustin Pop | skip_keys = constants.HVC_GLOBALS |
979 | 7736a5f2 | Iustin Pop | else:
|
980 | 7736a5f2 | Iustin Pop | skip_keys = [] |
981 | 17463d22 | René Nussbaumer | |
982 | d63479b5 | Iustin Pop | def_dict = self.GetHVDefaults(instance.hypervisor, instance.os,
|
983 | d63479b5 | Iustin Pop | skip_keys=skip_keys) |
984 | d63479b5 | Iustin Pop | return FillDict(def_dict, instance.hvparams, skip_keys=skip_keys)
|
985 | 5bf7b5cf | Iustin Pop | |
986 | 5bf7b5cf | Iustin Pop | def FillBE(self, instance): |
987 | 5bf7b5cf | Iustin Pop | """Fill an instance's beparams dict.
|
988 | 5bf7b5cf | Iustin Pop |
|
989 | a2a24f4c | Guido Trotter | @type instance: L{objects.Instance}
|
990 | 5bf7b5cf | Iustin Pop | @param instance: the instance parameter to fill
|
991 | 5bf7b5cf | Iustin Pop | @rtype: dict
|
992 | 5bf7b5cf | Iustin Pop | @return: a copy of the instance's beparams with missing keys filled from
|
993 | 5bf7b5cf | Iustin Pop | the cluster defaults
|
994 | 5bf7b5cf | Iustin Pop |
|
995 | 5bf7b5cf | Iustin Pop | """
|
996 | 4ef7f423 | Guido Trotter | return FillDict(self.beparams.get(constants.PP_DEFAULT, {}), |
997 | 7736a5f2 | Iustin Pop | instance.beparams) |
998 | 5bf7b5cf | Iustin Pop | |
999 | 5c947f38 | Iustin Pop | |
1000 | 96acbc09 | Michael Hanselmann | class BlockDevStatus(ConfigObject): |
1001 | 96acbc09 | Michael Hanselmann | """Config object representing the status of a block device."""
|
1002 | 96acbc09 | Michael Hanselmann | __slots__ = [ |
1003 | 96acbc09 | Michael Hanselmann | "dev_path",
|
1004 | 96acbc09 | Michael Hanselmann | "major",
|
1005 | 96acbc09 | Michael Hanselmann | "minor",
|
1006 | 96acbc09 | Michael Hanselmann | "sync_percent",
|
1007 | 96acbc09 | Michael Hanselmann | "estimated_time",
|
1008 | 96acbc09 | Michael Hanselmann | "is_degraded",
|
1009 | f208978a | Michael Hanselmann | "ldisk_status",
|
1010 | 96acbc09 | Michael Hanselmann | ] |
1011 | 96acbc09 | Michael Hanselmann | |
1012 | 96acbc09 | Michael Hanselmann | |
1013 | 18d750b9 | Guido Trotter | class ConfdRequest(ConfigObject): |
1014 | 18d750b9 | Guido Trotter | """Object holding a confd request.
|
1015 | 18d750b9 | Guido Trotter |
|
1016 | 18d750b9 | Guido Trotter | @ivar protocol: confd protocol version
|
1017 | 18d750b9 | Guido Trotter | @ivar type: confd query type
|
1018 | 18d750b9 | Guido Trotter | @ivar query: query request
|
1019 | 18d750b9 | Guido Trotter | @ivar rsalt: requested reply salt
|
1020 | 18d750b9 | Guido Trotter |
|
1021 | 18d750b9 | Guido Trotter | """
|
1022 | 18d750b9 | Guido Trotter | __slots__ = [ |
1023 | 18d750b9 | Guido Trotter | "protocol",
|
1024 | 18d750b9 | Guido Trotter | "type",
|
1025 | 18d750b9 | Guido Trotter | "query",
|
1026 | 18d750b9 | Guido Trotter | "rsalt",
|
1027 | 18d750b9 | Guido Trotter | ] |
1028 | 18d750b9 | Guido Trotter | |
1029 | 18d750b9 | Guido Trotter | |
1030 | 18d750b9 | Guido Trotter | class ConfdReply(ConfigObject): |
1031 | 18d750b9 | Guido Trotter | """Object holding a confd reply.
|
1032 | 18d750b9 | Guido Trotter |
|
1033 | 18d750b9 | Guido Trotter | @ivar protocol: confd protocol version
|
1034 | 18d750b9 | Guido Trotter | @ivar status: reply status code (ok, error)
|
1035 | 18d750b9 | Guido Trotter | @ivar answer: confd query reply
|
1036 | 18d750b9 | Guido Trotter | @ivar serial: configuration serial number
|
1037 | 18d750b9 | Guido Trotter |
|
1038 | 18d750b9 | Guido Trotter | """
|
1039 | 18d750b9 | Guido Trotter | __slots__ = [ |
1040 | 18d750b9 | Guido Trotter | "protocol",
|
1041 | 18d750b9 | Guido Trotter | "status",
|
1042 | 18d750b9 | Guido Trotter | "answer",
|
1043 | 18d750b9 | Guido Trotter | "serial",
|
1044 | 18d750b9 | Guido Trotter | ] |
1045 | 18d750b9 | Guido Trotter | |
1046 | 18d750b9 | Guido Trotter | |
1047 | a8083063 | Iustin Pop | class SerializableConfigParser(ConfigParser.SafeConfigParser): |
1048 | a8083063 | Iustin Pop | """Simple wrapper over ConfigParse that allows serialization.
|
1049 | a8083063 | Iustin Pop |
|
1050 | a8083063 | Iustin Pop | This class is basically ConfigParser.SafeConfigParser with two
|
1051 | a8083063 | Iustin Pop | additional methods that allow it to serialize/unserialize to/from a
|
1052 | a8083063 | Iustin Pop | buffer.
|
1053 | a8083063 | Iustin Pop |
|
1054 | a8083063 | Iustin Pop | """
|
1055 | a8083063 | Iustin Pop | def Dumps(self): |
1056 | a8083063 | Iustin Pop | """Dump this instance and return the string representation."""
|
1057 | a8083063 | Iustin Pop | buf = StringIO() |
1058 | a8083063 | Iustin Pop | self.write(buf)
|
1059 | a8083063 | Iustin Pop | return buf.getvalue()
|
1060 | a8083063 | Iustin Pop | |
1061 | b39bf4bb | Guido Trotter | @classmethod
|
1062 | b39bf4bb | Guido Trotter | def Loads(cls, data): |
1063 | a8083063 | Iustin Pop | """Load data from a string."""
|
1064 | a8083063 | Iustin Pop | buf = StringIO(data) |
1065 | b39bf4bb | Guido Trotter | cfp = cls() |
1066 | a8083063 | Iustin Pop | cfp.readfp(buf) |
1067 | a8083063 | Iustin Pop | return cfp |