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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 | """OpCodes module
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23 | a8083063 | Iustin Pop |
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24 | a8083063 | Iustin Pop | This module implements the data structures which define the cluster
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25 | a8083063 | Iustin Pop | operations - the so-called opcodes.
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26 | a8083063 | Iustin Pop |
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27 | 0e46916d | Iustin Pop | Every operation which modifies the cluster state is expressed via
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28 | 0e46916d | Iustin Pop | opcodes.
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29 | a8083063 | Iustin Pop |
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30 | a8083063 | Iustin Pop | """
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31 | a8083063 | Iustin Pop | |
32 | a8083063 | Iustin Pop | # this are practically structures, so disable the message about too
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33 | a8083063 | Iustin Pop | # few public methods:
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34 | a8083063 | Iustin Pop | # pylint: disable-msg=R0903
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35 | a8083063 | Iustin Pop | |
36 | df458e0b | Iustin Pop | |
37 | 0e46916d | Iustin Pop | class BaseOpCode(object): |
38 | df458e0b | Iustin Pop | """A simple serializable object.
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39 | df458e0b | Iustin Pop |
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40 | 0e46916d | Iustin Pop | This object serves as a parent class for OpCode without any custom
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41 | 0e46916d | Iustin Pop | field handling.
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42 | 0e46916d | Iustin Pop |
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43 | df458e0b | Iustin Pop | """
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44 | a8083063 | Iustin Pop | __slots__ = [] |
45 | a8083063 | Iustin Pop | |
46 | a8083063 | Iustin Pop | def __init__(self, **kwargs): |
47 | a7399f66 | Iustin Pop | """Constructor for BaseOpCode.
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48 | a7399f66 | Iustin Pop |
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49 | a7399f66 | Iustin Pop | The constructor takes only keyword arguments and will set
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50 | a7399f66 | Iustin Pop | attributes on this object based on the passed arguments. As such,
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51 | a7399f66 | Iustin Pop | it means that you should not pass arguments which are not in the
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52 | a7399f66 | Iustin Pop | __slots__ attribute for this class.
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53 | a7399f66 | Iustin Pop |
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54 | a7399f66 | Iustin Pop | """
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55 | a8083063 | Iustin Pop | for key in kwargs: |
56 | a8083063 | Iustin Pop | if key not in self.__slots__: |
57 | df458e0b | Iustin Pop | raise TypeError("Object %s doesn't support the parameter '%s'" % |
58 | 3ecf6786 | Iustin Pop | (self.__class__.__name__, key))
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59 | a8083063 | Iustin Pop | setattr(self, key, kwargs[key]) |
60 | a8083063 | Iustin Pop | |
61 | df458e0b | Iustin Pop | def __getstate__(self): |
62 | a7399f66 | Iustin Pop | """Generic serializer.
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63 | a7399f66 | Iustin Pop |
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64 | a7399f66 | Iustin Pop | This method just returns the contents of the instance as a
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65 | a7399f66 | Iustin Pop | dictionary.
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66 | a7399f66 | Iustin Pop |
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67 | a7399f66 | Iustin Pop | @rtype: C{dict}
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68 | a7399f66 | Iustin Pop | @return: the instance attributes and their values
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69 | a7399f66 | Iustin Pop |
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70 | a7399f66 | Iustin Pop | """
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71 | df458e0b | Iustin Pop | state = {} |
72 | df458e0b | Iustin Pop | for name in self.__slots__: |
73 | df458e0b | Iustin Pop | if hasattr(self, name): |
74 | df458e0b | Iustin Pop | state[name] = getattr(self, name) |
75 | df458e0b | Iustin Pop | return state
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76 | df458e0b | Iustin Pop | |
77 | df458e0b | Iustin Pop | def __setstate__(self, state): |
78 | a7399f66 | Iustin Pop | """Generic unserializer.
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79 | a7399f66 | Iustin Pop |
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80 | a7399f66 | Iustin Pop | This method just restores from the serialized state the attributes
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81 | a7399f66 | Iustin Pop | of the current instance.
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82 | a7399f66 | Iustin Pop |
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83 | a7399f66 | Iustin Pop | @param state: the serialized opcode data
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84 | a7399f66 | Iustin Pop | @type state: C{dict}
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85 | a7399f66 | Iustin Pop |
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86 | a7399f66 | Iustin Pop | """
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87 | df458e0b | Iustin Pop | if not isinstance(state, dict): |
88 | df458e0b | Iustin Pop | raise ValueError("Invalid data to __setstate__: expected dict, got %s" % |
89 | df458e0b | Iustin Pop | type(state))
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90 | df458e0b | Iustin Pop | |
91 | df458e0b | Iustin Pop | for name in self.__slots__: |
92 | df458e0b | Iustin Pop | if name not in state: |
93 | df458e0b | Iustin Pop | delattr(self, name) |
94 | df458e0b | Iustin Pop | |
95 | df458e0b | Iustin Pop | for name in state: |
96 | df458e0b | Iustin Pop | setattr(self, name, state[name]) |
97 | df458e0b | Iustin Pop | |
98 | df458e0b | Iustin Pop | |
99 | 0e46916d | Iustin Pop | class OpCode(BaseOpCode): |
100 | a7399f66 | Iustin Pop | """Abstract OpCode.
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101 | a7399f66 | Iustin Pop |
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102 | a7399f66 | Iustin Pop | This is the root of the actual OpCode hierarchy. All clases derived
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103 | a7399f66 | Iustin Pop | from this class should override OP_ID.
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104 | a7399f66 | Iustin Pop |
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105 | a7399f66 | Iustin Pop | @cvar OP_ID: The ID of this opcode. This should be unique amongst all
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106 | a7399f66 | Iustin Pop | childre of this class.
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107 | a7399f66 | Iustin Pop |
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108 | a7399f66 | Iustin Pop | """
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109 | df458e0b | Iustin Pop | OP_ID = "OP_ABSTRACT"
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110 | df458e0b | Iustin Pop | __slots__ = [] |
111 | df458e0b | Iustin Pop | |
112 | df458e0b | Iustin Pop | def __getstate__(self): |
113 | df458e0b | Iustin Pop | """Specialized getstate for opcodes.
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114 | df458e0b | Iustin Pop |
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115 | a7399f66 | Iustin Pop | This method adds to the state dictionary the OP_ID of the class,
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116 | a7399f66 | Iustin Pop | so that on unload we can identify the correct class for
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117 | a7399f66 | Iustin Pop | instantiating the opcode.
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118 | a7399f66 | Iustin Pop |
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119 | a7399f66 | Iustin Pop | @rtype: C{dict}
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120 | a7399f66 | Iustin Pop | @return: the state as a dictionary
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121 | a7399f66 | Iustin Pop |
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122 | df458e0b | Iustin Pop | """
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123 | 0e46916d | Iustin Pop | data = BaseOpCode.__getstate__(self)
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124 | df458e0b | Iustin Pop | data["OP_ID"] = self.OP_ID |
125 | df458e0b | Iustin Pop | return data
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126 | df458e0b | Iustin Pop | |
127 | df458e0b | Iustin Pop | @classmethod
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128 | 00abdc96 | Iustin Pop | def LoadOpCode(cls, data): |
129 | df458e0b | Iustin Pop | """Generic load opcode method.
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130 | df458e0b | Iustin Pop |
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131 | a7399f66 | Iustin Pop | The method identifies the correct opcode class from the dict-form
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132 | a7399f66 | Iustin Pop | by looking for a OP_ID key, if this is not found, or its value is
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133 | a7399f66 | Iustin Pop | not available in this module as a child of this class, we fail.
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134 | a7399f66 | Iustin Pop |
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135 | a7399f66 | Iustin Pop | @type data: C{dict}
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136 | a7399f66 | Iustin Pop | @param data: the serialized opcode
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137 | a7399f66 | Iustin Pop |
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138 | df458e0b | Iustin Pop | """
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139 | df458e0b | Iustin Pop | if not isinstance(data, dict): |
140 | df458e0b | Iustin Pop | raise ValueError("Invalid data to LoadOpCode (%s)" % type(data)) |
141 | df458e0b | Iustin Pop | if "OP_ID" not in data: |
142 | df458e0b | Iustin Pop | raise ValueError("Invalid data to LoadOpcode, missing OP_ID") |
143 | df458e0b | Iustin Pop | op_id = data["OP_ID"]
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144 | df458e0b | Iustin Pop | op_class = None
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145 | 363acb1e | Iustin Pop | if op_id in OP_MAPPING: |
146 | 363acb1e | Iustin Pop | op_class = OP_MAPPING[op_id] |
147 | 363acb1e | Iustin Pop | else:
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148 | df458e0b | Iustin Pop | raise ValueError("Invalid data to LoadOpCode: OP_ID %s unsupported" % |
149 | df458e0b | Iustin Pop | op_id) |
150 | df458e0b | Iustin Pop | op = op_class() |
151 | df458e0b | Iustin Pop | new_data = data.copy() |
152 | df458e0b | Iustin Pop | del new_data["OP_ID"] |
153 | df458e0b | Iustin Pop | op.__setstate__(new_data) |
154 | df458e0b | Iustin Pop | return op
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155 | df458e0b | Iustin Pop | |
156 | 60dd1473 | Iustin Pop | def Summary(self): |
157 | 60dd1473 | Iustin Pop | """Generates a summary description of this opcode.
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158 | 60dd1473 | Iustin Pop |
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159 | 60dd1473 | Iustin Pop | """
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160 | 60dd1473 | Iustin Pop | # all OP_ID start with OP_, we remove that
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161 | 60dd1473 | Iustin Pop | txt = self.OP_ID[3:] |
162 | 60dd1473 | Iustin Pop | field_name = getattr(self, "OP_DSC_FIELD", None) |
163 | 60dd1473 | Iustin Pop | if field_name:
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164 | 60dd1473 | Iustin Pop | field_value = getattr(self, field_name, None) |
165 | 60dd1473 | Iustin Pop | txt = "%s(%s)" % (txt, field_value)
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166 | 60dd1473 | Iustin Pop | return txt
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167 | 60dd1473 | Iustin Pop | |
168 | a8083063 | Iustin Pop | |
169 | afee0879 | Iustin Pop | # cluster opcodes
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170 | afee0879 | Iustin Pop | |
171 | a8083063 | Iustin Pop | class OpDestroyCluster(OpCode): |
172 | a7399f66 | Iustin Pop | """Destroy the cluster.
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173 | a7399f66 | Iustin Pop |
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174 | a7399f66 | Iustin Pop | This opcode has no other parameters. All the state is irreversibly
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175 | a7399f66 | Iustin Pop | lost after the execution of this opcode.
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176 | a7399f66 | Iustin Pop |
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177 | a7399f66 | Iustin Pop | """
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178 | a8083063 | Iustin Pop | OP_ID = "OP_CLUSTER_DESTROY"
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179 | a8083063 | Iustin Pop | __slots__ = [] |
180 | a8083063 | Iustin Pop | |
181 | a8083063 | Iustin Pop | |
182 | a8083063 | Iustin Pop | class OpQueryClusterInfo(OpCode): |
183 | fdc267f4 | Iustin Pop | """Query cluster information."""
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184 | a8083063 | Iustin Pop | OP_ID = "OP_CLUSTER_QUERY"
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185 | a8083063 | Iustin Pop | __slots__ = [] |
186 | a8083063 | Iustin Pop | |
187 | a8083063 | Iustin Pop | |
188 | a8083063 | Iustin Pop | class OpVerifyCluster(OpCode): |
189 | a7399f66 | Iustin Pop | """Verify the cluster state.
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190 | a7399f66 | Iustin Pop |
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191 | a7399f66 | Iustin Pop | @type skip_checks: C{list}
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192 | a7399f66 | Iustin Pop | @ivar skip_checks: steps to be skipped from the verify process; this
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193 | a7399f66 | Iustin Pop | needs to be a subset of
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194 | a7399f66 | Iustin Pop | L{constants.VERIFY_OPTIONAL_CHECKS}; currently
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195 | a7399f66 | Iustin Pop | only L{constants.VERIFY_NPLUSONE_MEM} can be passed
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196 | a7399f66 | Iustin Pop |
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197 | a7399f66 | Iustin Pop | """
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198 | a8083063 | Iustin Pop | OP_ID = "OP_CLUSTER_VERIFY"
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199 | e54c4c5e | Guido Trotter | __slots__ = ["skip_checks"]
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200 | a8083063 | Iustin Pop | |
201 | a8083063 | Iustin Pop | |
202 | 150e978f | Iustin Pop | class OpVerifyDisks(OpCode): |
203 | 150e978f | Iustin Pop | """Verify the cluster disks.
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204 | 150e978f | Iustin Pop |
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205 | 150e978f | Iustin Pop | Parameters: none
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206 | 150e978f | Iustin Pop |
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207 | 5188ab37 | Iustin Pop | Result: a tuple of four elements:
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208 | 150e978f | Iustin Pop | - list of node names with bad data returned (unreachable, etc.)
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209 | a7399f66 | Iustin Pop | - dict of node names with broken volume groups (values: error msg)
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210 | 150e978f | Iustin Pop | - list of instances with degraded disks (that should be activated)
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211 | b63ed789 | Iustin Pop | - dict of instances with missing logical volumes (values: (node, vol)
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212 | b63ed789 | Iustin Pop | pairs with details about the missing volumes)
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213 | 150e978f | Iustin Pop |
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214 | b63ed789 | Iustin Pop | In normal operation, all lists should be empty. A non-empty instance
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215 | b63ed789 | Iustin Pop | list (3rd element of the result) is still ok (errors were fixed) but
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216 | b63ed789 | Iustin Pop | non-empty node list means some node is down, and probably there are
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217 | b63ed789 | Iustin Pop | unfixable drbd errors.
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218 | 150e978f | Iustin Pop |
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219 | 150e978f | Iustin Pop | Note that only instances that are drbd-based are taken into
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220 | 150e978f | Iustin Pop | consideration. This might need to be revisited in the future.
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221 | 150e978f | Iustin Pop |
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222 | 150e978f | Iustin Pop | """
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223 | 150e978f | Iustin Pop | OP_ID = "OP_CLUSTER_VERIFY_DISKS"
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224 | 150e978f | Iustin Pop | __slots__ = [] |
225 | 150e978f | Iustin Pop | |
226 | 150e978f | Iustin Pop | |
227 | 60975797 | Iustin Pop | class OpRepairDiskSizes(OpCode): |
228 | 60975797 | Iustin Pop | """Verify the disk sizes of the instances and fixes configuration
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229 | 60975797 | Iustin Pop | mimatches.
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230 | 60975797 | Iustin Pop |
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231 | 60975797 | Iustin Pop | Parameters: optional instances list, in case we want to restrict the
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232 | 60975797 | Iustin Pop | checks to only a subset of the instances.
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233 | 60975797 | Iustin Pop |
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234 | 60975797 | Iustin Pop | Result: a list of tuples, (instance, disk, new-size) for changed
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235 | 60975797 | Iustin Pop | configurations.
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236 | 60975797 | Iustin Pop |
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237 | 60975797 | Iustin Pop | In normal operation, the list should be empty.
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238 | 60975797 | Iustin Pop |
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239 | 60975797 | Iustin Pop | @type instances: list
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240 | 60975797 | Iustin Pop | @ivar instances: the list of instances to check, or empty for all instances
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241 | 60975797 | Iustin Pop |
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242 | 60975797 | Iustin Pop | """
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243 | 60975797 | Iustin Pop | OP_ID = "OP_CLUSTER_REPAIR_DISK_SIZES"
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244 | 60975797 | Iustin Pop | __slots__ = ["instances"]
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245 | 60975797 | Iustin Pop | |
246 | 60975797 | Iustin Pop | |
247 | ae5849b5 | Michael Hanselmann | class OpQueryConfigValues(OpCode): |
248 | ae5849b5 | Michael Hanselmann | """Query cluster configuration values."""
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249 | ae5849b5 | Michael Hanselmann | OP_ID = "OP_CLUSTER_CONFIG_QUERY"
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250 | ae5849b5 | Michael Hanselmann | __slots__ = ["output_fields"]
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251 | a8083063 | Iustin Pop | |
252 | a8083063 | Iustin Pop | |
253 | 07bd8a51 | Iustin Pop | class OpRenameCluster(OpCode): |
254 | a7399f66 | Iustin Pop | """Rename the cluster.
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255 | a7399f66 | Iustin Pop |
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256 | a7399f66 | Iustin Pop | @type name: C{str}
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257 | a7399f66 | Iustin Pop | @ivar name: The new name of the cluster. The name and/or the master IP
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258 | a7399f66 | Iustin Pop | address will be changed to match the new name and its IP
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259 | a7399f66 | Iustin Pop | address.
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260 | a7399f66 | Iustin Pop |
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261 | a7399f66 | Iustin Pop | """
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262 | 07bd8a51 | Iustin Pop | OP_ID = "OP_CLUSTER_RENAME"
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263 | 60dd1473 | Iustin Pop | OP_DSC_FIELD = "name"
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264 | 07bd8a51 | Iustin Pop | __slots__ = ["name"]
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265 | 07bd8a51 | Iustin Pop | |
266 | 07bd8a51 | Iustin Pop | |
267 | 12515db7 | Manuel Franceschini | class OpSetClusterParams(OpCode): |
268 | a7399f66 | Iustin Pop | """Change the parameters of the cluster.
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269 | a7399f66 | Iustin Pop |
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270 | a7399f66 | Iustin Pop | @type vg_name: C{str} or C{None}
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271 | a7399f66 | Iustin Pop | @ivar vg_name: The new volume group name or None to disable LVM usage.
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272 | a7399f66 | Iustin Pop |
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273 | a7399f66 | Iustin Pop | """
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274 | 12515db7 | Manuel Franceschini | OP_ID = "OP_CLUSTER_SET_PARAMS"
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275 | 4b7735f9 | Iustin Pop | __slots__ = [ |
276 | 4b7735f9 | Iustin Pop | "vg_name",
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277 | 4b7735f9 | Iustin Pop | "enabled_hypervisors",
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278 | 4b7735f9 | Iustin Pop | "hvparams",
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279 | 4b7735f9 | Iustin Pop | "beparams",
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280 | 4b7735f9 | Iustin Pop | "candidate_pool_size",
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281 | 4b7735f9 | Iustin Pop | ] |
282 | 12515db7 | Manuel Franceschini | |
283 | 12515db7 | Manuel Franceschini | |
284 | afee0879 | Iustin Pop | class OpRedistributeConfig(OpCode): |
285 | afee0879 | Iustin Pop | """Force a full push of the cluster configuration.
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286 | afee0879 | Iustin Pop |
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287 | afee0879 | Iustin Pop | """
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288 | afee0879 | Iustin Pop | OP_ID = "OP_CLUSTER_REDIST_CONF"
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289 | afee0879 | Iustin Pop | __slots__ = [ |
290 | afee0879 | Iustin Pop | ] |
291 | afee0879 | Iustin Pop | |
292 | 07bd8a51 | Iustin Pop | # node opcodes
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293 | 07bd8a51 | Iustin Pop | |
294 | a8083063 | Iustin Pop | class OpRemoveNode(OpCode): |
295 | a7399f66 | Iustin Pop | """Remove a node.
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296 | a7399f66 | Iustin Pop |
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297 | a7399f66 | Iustin Pop | @type node_name: C{str}
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298 | a7399f66 | Iustin Pop | @ivar node_name: The name of the node to remove. If the node still has
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299 | a7399f66 | Iustin Pop | instances on it, the operation will fail.
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300 | a7399f66 | Iustin Pop |
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301 | a7399f66 | Iustin Pop | """
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302 | a8083063 | Iustin Pop | OP_ID = "OP_NODE_REMOVE"
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303 | 60dd1473 | Iustin Pop | OP_DSC_FIELD = "node_name"
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304 | a8083063 | Iustin Pop | __slots__ = ["node_name"]
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305 | a8083063 | Iustin Pop | |
306 | a8083063 | Iustin Pop | |
307 | a8083063 | Iustin Pop | class OpAddNode(OpCode): |
308 | a7399f66 | Iustin Pop | """Add a node to the cluster.
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309 | a7399f66 | Iustin Pop |
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310 | a7399f66 | Iustin Pop | @type node_name: C{str}
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311 | a7399f66 | Iustin Pop | @ivar node_name: The name of the node to add. This can be a short name,
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312 | a7399f66 | Iustin Pop | but it will be expanded to the FQDN.
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313 | a7399f66 | Iustin Pop | @type primary_ip: IP address
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314 | a7399f66 | Iustin Pop | @ivar primary_ip: The primary IP of the node. This will be ignored when the
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315 | a7399f66 | Iustin Pop | opcode is submitted, but will be filled during the node
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316 | a7399f66 | Iustin Pop | add (so it will be visible in the job query).
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317 | a7399f66 | Iustin Pop | @type secondary_ip: IP address
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318 | a7399f66 | Iustin Pop | @ivar secondary_ip: The secondary IP of the node. This needs to be passed
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319 | a7399f66 | Iustin Pop | if the cluster has been initialized in 'dual-network'
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320 | a7399f66 | Iustin Pop | mode, otherwise it must not be given.
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321 | a7399f66 | Iustin Pop | @type readd: C{bool}
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322 | a7399f66 | Iustin Pop | @ivar readd: Whether to re-add an existing node to the cluster. If
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323 | a7399f66 | Iustin Pop | this is not passed, then the operation will abort if the node
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324 | a7399f66 | Iustin Pop | name is already in the cluster; use this parameter to 'repair'
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325 | a7399f66 | Iustin Pop | a node that had its configuration broken, or was reinstalled
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326 | a7399f66 | Iustin Pop | without removal from the cluster.
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327 | a7399f66 | Iustin Pop |
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328 | a7399f66 | Iustin Pop | """
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329 | a8083063 | Iustin Pop | OP_ID = "OP_NODE_ADD"
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330 | 60dd1473 | Iustin Pop | OP_DSC_FIELD = "node_name"
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331 | e7c6e02b | Michael Hanselmann | __slots__ = ["node_name", "primary_ip", "secondary_ip", "readd"] |
332 | a8083063 | Iustin Pop | |
333 | a8083063 | Iustin Pop | |
334 | a8083063 | Iustin Pop | class OpQueryNodes(OpCode): |
335 | a8083063 | Iustin Pop | """Compute the list of nodes."""
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336 | a8083063 | Iustin Pop | OP_ID = "OP_NODE_QUERY"
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337 | ec79568d | Iustin Pop | __slots__ = ["output_fields", "names", "use_locking"] |
338 | a8083063 | Iustin Pop | |
339 | a8083063 | Iustin Pop | |
340 | dcb93971 | Michael Hanselmann | class OpQueryNodeVolumes(OpCode): |
341 | dcb93971 | Michael Hanselmann | """Get list of volumes on node."""
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342 | dcb93971 | Michael Hanselmann | OP_ID = "OP_NODE_QUERYVOLS"
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343 | dcb93971 | Michael Hanselmann | __slots__ = ["nodes", "output_fields"] |
344 | dcb93971 | Michael Hanselmann | |
345 | dcb93971 | Michael Hanselmann | |
346 | b31c8676 | Iustin Pop | class OpSetNodeParams(OpCode): |
347 | b31c8676 | Iustin Pop | """Change the parameters of a node."""
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348 | b31c8676 | Iustin Pop | OP_ID = "OP_NODE_SET_PARAMS"
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349 | b31c8676 | Iustin Pop | OP_DSC_FIELD = "node_name"
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350 | b31c8676 | Iustin Pop | __slots__ = [ |
351 | b31c8676 | Iustin Pop | "node_name",
|
352 | b31c8676 | Iustin Pop | "force",
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353 | b31c8676 | Iustin Pop | "master_candidate",
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354 | 3a5ba66a | Iustin Pop | "offline",
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355 | c9d443ea | Iustin Pop | "drained",
|
356 | b31c8676 | Iustin Pop | ] |
357 | b31c8676 | Iustin Pop | |
358 | a8083063 | Iustin Pop | # instance opcodes
|
359 | a8083063 | Iustin Pop | |
360 | a8083063 | Iustin Pop | class OpCreateInstance(OpCode): |
361 | fdc267f4 | Iustin Pop | """Create an instance."""
|
362 | a8083063 | Iustin Pop | OP_ID = "OP_INSTANCE_CREATE"
|
363 | 60dd1473 | Iustin Pop | OP_DSC_FIELD = "instance_name"
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364 | 3b6d8c9b | Iustin Pop | __slots__ = [ |
365 | 08db7c5c | Iustin Pop | "instance_name", "os_type", "pnode", |
366 | 08db7c5c | Iustin Pop | "disk_template", "snode", "mode", |
367 | 08db7c5c | Iustin Pop | "disks", "nics", |
368 | 08db7c5c | Iustin Pop | "src_node", "src_path", "start", |
369 | 08db7c5c | Iustin Pop | "wait_for_sync", "ip_check", |
370 | dc936b49 | Manuel Franceschini | "file_storage_dir", "file_driver", |
371 | 6785674e | Iustin Pop | "iallocator",
|
372 | 6785674e | Iustin Pop | "hypervisor", "hvparams", "beparams", |
373 | 3b6d8c9b | Iustin Pop | ] |
374 | a8083063 | Iustin Pop | |
375 | a8083063 | Iustin Pop | |
376 | fe7b0351 | Michael Hanselmann | class OpReinstallInstance(OpCode): |
377 | fdc267f4 | Iustin Pop | """Reinstall an instance's OS."""
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378 | fe7b0351 | Michael Hanselmann | OP_ID = "OP_INSTANCE_REINSTALL"
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379 | 60dd1473 | Iustin Pop | OP_DSC_FIELD = "instance_name"
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380 | d0834de3 | Michael Hanselmann | __slots__ = ["instance_name", "os_type"] |
381 | fe7b0351 | Michael Hanselmann | |
382 | fe7b0351 | Michael Hanselmann | |
383 | a8083063 | Iustin Pop | class OpRemoveInstance(OpCode): |
384 | a8083063 | Iustin Pop | """Remove an instance."""
|
385 | a8083063 | Iustin Pop | OP_ID = "OP_INSTANCE_REMOVE"
|
386 | 60dd1473 | Iustin Pop | OP_DSC_FIELD = "instance_name"
|
387 | 1d67656e | Iustin Pop | __slots__ = ["instance_name", "ignore_failures"] |
388 | a8083063 | Iustin Pop | |
389 | a8083063 | Iustin Pop | |
390 | decd5f45 | Iustin Pop | class OpRenameInstance(OpCode): |
391 | decd5f45 | Iustin Pop | """Rename an instance."""
|
392 | decd5f45 | Iustin Pop | OP_ID = "OP_INSTANCE_RENAME"
|
393 | decd5f45 | Iustin Pop | __slots__ = ["instance_name", "ignore_ip", "new_name"] |
394 | decd5f45 | Iustin Pop | |
395 | decd5f45 | Iustin Pop | |
396 | a8083063 | Iustin Pop | class OpStartupInstance(OpCode): |
397 | fdc267f4 | Iustin Pop | """Startup an instance."""
|
398 | a8083063 | Iustin Pop | OP_ID = "OP_INSTANCE_STARTUP"
|
399 | 60dd1473 | Iustin Pop | OP_DSC_FIELD = "instance_name"
|
400 | d04aaa2f | Iustin Pop | __slots__ = ["instance_name", "force", "hvparams", "beparams"] |
401 | a8083063 | Iustin Pop | |
402 | a8083063 | Iustin Pop | |
403 | a8083063 | Iustin Pop | class OpShutdownInstance(OpCode): |
404 | fdc267f4 | Iustin Pop | """Shutdown an instance."""
|
405 | a8083063 | Iustin Pop | OP_ID = "OP_INSTANCE_SHUTDOWN"
|
406 | 60dd1473 | Iustin Pop | OP_DSC_FIELD = "instance_name"
|
407 | a8083063 | Iustin Pop | __slots__ = ["instance_name"]
|
408 | a8083063 | Iustin Pop | |
409 | a8083063 | Iustin Pop | |
410 | bf6929a2 | Alexander Schreiber | class OpRebootInstance(OpCode): |
411 | bf6929a2 | Alexander Schreiber | """Reboot an instance."""
|
412 | eeb3a5f9 | Iustin Pop | OP_ID = "OP_INSTANCE_REBOOT"
|
413 | 60dd1473 | Iustin Pop | OP_DSC_FIELD = "instance_name"
|
414 | 07813a9e | Iustin Pop | __slots__ = ["instance_name", "reboot_type", "ignore_secondaries" ] |
415 | bf6929a2 | Alexander Schreiber | |
416 | bf6929a2 | Alexander Schreiber | |
417 | a8083063 | Iustin Pop | class OpReplaceDisks(OpCode): |
418 | fdc267f4 | Iustin Pop | """Replace the disks of an instance."""
|
419 | a8083063 | Iustin Pop | OP_ID = "OP_INSTANCE_REPLACE_DISKS"
|
420 | 60dd1473 | Iustin Pop | OP_DSC_FIELD = "instance_name"
|
421 | b6e82a65 | Iustin Pop | __slots__ = ["instance_name", "remote_node", "mode", "disks", "iallocator"] |
422 | a8083063 | Iustin Pop | |
423 | a8083063 | Iustin Pop | |
424 | a8083063 | Iustin Pop | class OpFailoverInstance(OpCode): |
425 | a8083063 | Iustin Pop | """Failover an instance."""
|
426 | a8083063 | Iustin Pop | OP_ID = "OP_INSTANCE_FAILOVER"
|
427 | 60dd1473 | Iustin Pop | OP_DSC_FIELD = "instance_name"
|
428 | a8083063 | Iustin Pop | __slots__ = ["instance_name", "ignore_consistency"] |
429 | a8083063 | Iustin Pop | |
430 | a8083063 | Iustin Pop | |
431 | 53c776b5 | Iustin Pop | class OpMigrateInstance(OpCode): |
432 | 53c776b5 | Iustin Pop | """Migrate an instance.
|
433 | 53c776b5 | Iustin Pop |
|
434 | 53c776b5 | Iustin Pop | This migrates (without shutting down an instance) to its secondary
|
435 | 53c776b5 | Iustin Pop | node.
|
436 | 53c776b5 | Iustin Pop |
|
437 | 2f907a8c | Iustin Pop | @ivar instance_name: the name of the instance
|
438 | 53c776b5 | Iustin Pop |
|
439 | 53c776b5 | Iustin Pop | """
|
440 | 53c776b5 | Iustin Pop | OP_ID = "OP_INSTANCE_MIGRATE"
|
441 | ee69c97f | Iustin Pop | OP_DSC_FIELD = "instance_name"
|
442 | 53c776b5 | Iustin Pop | __slots__ = ["instance_name", "live", "cleanup"] |
443 | 53c776b5 | Iustin Pop | |
444 | 53c776b5 | Iustin Pop | |
445 | a8083063 | Iustin Pop | class OpConnectConsole(OpCode): |
446 | fdc267f4 | Iustin Pop | """Connect to an instance's console."""
|
447 | a8083063 | Iustin Pop | OP_ID = "OP_INSTANCE_CONSOLE"
|
448 | 60dd1473 | Iustin Pop | OP_DSC_FIELD = "instance_name"
|
449 | a8083063 | Iustin Pop | __slots__ = ["instance_name"]
|
450 | a8083063 | Iustin Pop | |
451 | a8083063 | Iustin Pop | |
452 | a8083063 | Iustin Pop | class OpActivateInstanceDisks(OpCode): |
453 | fdc267f4 | Iustin Pop | """Activate an instance's disks."""
|
454 | a8083063 | Iustin Pop | OP_ID = "OP_INSTANCE_ACTIVATE_DISKS"
|
455 | 60dd1473 | Iustin Pop | OP_DSC_FIELD = "instance_name"
|
456 | b4ec07f8 | Iustin Pop | __slots__ = ["instance_name", "ignore_size"] |
457 | a8083063 | Iustin Pop | |
458 | a8083063 | Iustin Pop | |
459 | a8083063 | Iustin Pop | class OpDeactivateInstanceDisks(OpCode): |
460 | fdc267f4 | Iustin Pop | """Deactivate an instance's disks."""
|
461 | a8083063 | Iustin Pop | OP_ID = "OP_INSTANCE_DEACTIVATE_DISKS"
|
462 | 60dd1473 | Iustin Pop | OP_DSC_FIELD = "instance_name"
|
463 | a8083063 | Iustin Pop | __slots__ = ["instance_name"]
|
464 | a8083063 | Iustin Pop | |
465 | a8083063 | Iustin Pop | |
466 | a8083063 | Iustin Pop | class OpQueryInstances(OpCode): |
467 | a8083063 | Iustin Pop | """Compute the list of instances."""
|
468 | a8083063 | Iustin Pop | OP_ID = "OP_INSTANCE_QUERY"
|
469 | ec79568d | Iustin Pop | __slots__ = ["output_fields", "names", "use_locking"] |
470 | a8083063 | Iustin Pop | |
471 | a8083063 | Iustin Pop | |
472 | a8083063 | Iustin Pop | class OpQueryInstanceData(OpCode): |
473 | a8083063 | Iustin Pop | """Compute the run-time status of instances."""
|
474 | a8083063 | Iustin Pop | OP_ID = "OP_INSTANCE_QUERY_DATA"
|
475 | 57821cac | Iustin Pop | __slots__ = ["instances", "static"] |
476 | a8083063 | Iustin Pop | |
477 | a8083063 | Iustin Pop | |
478 | 7767bbf5 | Manuel Franceschini | class OpSetInstanceParams(OpCode): |
479 | a8083063 | Iustin Pop | """Change the parameters of an instance."""
|
480 | 7767bbf5 | Manuel Franceschini | OP_ID = "OP_INSTANCE_SET_PARAMS"
|
481 | 60dd1473 | Iustin Pop | OP_DSC_FIELD = "instance_name"
|
482 | 973d7867 | Iustin Pop | __slots__ = [ |
483 | 24991749 | Iustin Pop | "instance_name",
|
484 | 338e51e8 | Iustin Pop | "hvparams", "beparams", "force", |
485 | 24991749 | Iustin Pop | "nics", "disks", |
486 | 973d7867 | Iustin Pop | ] |
487 | a8083063 | Iustin Pop | |
488 | a8083063 | Iustin Pop | |
489 | 8729e0d7 | Iustin Pop | class OpGrowDisk(OpCode): |
490 | 8729e0d7 | Iustin Pop | """Grow a disk of an instance."""
|
491 | 8729e0d7 | Iustin Pop | OP_ID = "OP_INSTANCE_GROW_DISK"
|
492 | 60dd1473 | Iustin Pop | OP_DSC_FIELD = "instance_name"
|
493 | 6605411d | Iustin Pop | __slots__ = ["instance_name", "disk", "amount", "wait_for_sync"] |
494 | 8729e0d7 | Iustin Pop | |
495 | 8729e0d7 | Iustin Pop | |
496 | a8083063 | Iustin Pop | # OS opcodes
|
497 | a8083063 | Iustin Pop | class OpDiagnoseOS(OpCode): |
498 | a8083063 | Iustin Pop | """Compute the list of guest operating systems."""
|
499 | a8083063 | Iustin Pop | OP_ID = "OP_OS_DIAGNOSE"
|
500 | 1f9430d6 | Iustin Pop | __slots__ = ["output_fields", "names"] |
501 | a8083063 | Iustin Pop | |
502 | 7c0d6283 | Michael Hanselmann | |
503 | a8083063 | Iustin Pop | # Exports opcodes
|
504 | a8083063 | Iustin Pop | class OpQueryExports(OpCode): |
505 | a8083063 | Iustin Pop | """Compute the list of exported images."""
|
506 | a8083063 | Iustin Pop | OP_ID = "OP_BACKUP_QUERY"
|
507 | ec79568d | Iustin Pop | __slots__ = ["nodes", "use_locking"] |
508 | a8083063 | Iustin Pop | |
509 | 7c0d6283 | Michael Hanselmann | |
510 | a8083063 | Iustin Pop | class OpExportInstance(OpCode): |
511 | a8083063 | Iustin Pop | """Export an instance."""
|
512 | a8083063 | Iustin Pop | OP_ID = "OP_BACKUP_EXPORT"
|
513 | 60dd1473 | Iustin Pop | OP_DSC_FIELD = "instance_name"
|
514 | a8083063 | Iustin Pop | __slots__ = ["instance_name", "target_node", "shutdown"] |
515 | 5c947f38 | Iustin Pop | |
516 | 0a7bed64 | Michael Hanselmann | |
517 | 9ac99fda | Guido Trotter | class OpRemoveExport(OpCode): |
518 | 9ac99fda | Guido Trotter | """Remove an instance's export."""
|
519 | 9ac99fda | Guido Trotter | OP_ID = "OP_BACKUP_REMOVE"
|
520 | 60dd1473 | Iustin Pop | OP_DSC_FIELD = "instance_name"
|
521 | 9ac99fda | Guido Trotter | __slots__ = ["instance_name"]
|
522 | 5c947f38 | Iustin Pop | |
523 | 0a7bed64 | Michael Hanselmann | |
524 | 5c947f38 | Iustin Pop | # Tags opcodes
|
525 | 5c947f38 | Iustin Pop | class OpGetTags(OpCode): |
526 | 5c947f38 | Iustin Pop | """Returns the tags of the given object."""
|
527 | 5c947f38 | Iustin Pop | OP_ID = "OP_TAGS_GET"
|
528 | 60dd1473 | Iustin Pop | OP_DSC_FIELD = "name"
|
529 | 5c947f38 | Iustin Pop | __slots__ = ["kind", "name"] |
530 | 5c947f38 | Iustin Pop | |
531 | 5c947f38 | Iustin Pop | |
532 | 73415719 | Iustin Pop | class OpSearchTags(OpCode): |
533 | 73415719 | Iustin Pop | """Searches the tags in the cluster for a given pattern."""
|
534 | 73415719 | Iustin Pop | OP_ID = "OP_TAGS_SEARCH"
|
535 | 60dd1473 | Iustin Pop | OP_DSC_FIELD = "pattern"
|
536 | 73415719 | Iustin Pop | __slots__ = ["pattern"]
|
537 | 73415719 | Iustin Pop | |
538 | 73415719 | Iustin Pop | |
539 | f27302fa | Iustin Pop | class OpAddTags(OpCode): |
540 | f27302fa | Iustin Pop | """Add a list of tags on a given object."""
|
541 | 5c947f38 | Iustin Pop | OP_ID = "OP_TAGS_SET"
|
542 | f27302fa | Iustin Pop | __slots__ = ["kind", "name", "tags"] |
543 | 5c947f38 | Iustin Pop | |
544 | 5c947f38 | Iustin Pop | |
545 | f27302fa | Iustin Pop | class OpDelTags(OpCode): |
546 | f27302fa | Iustin Pop | """Remove a list of tags from a given object."""
|
547 | 5c947f38 | Iustin Pop | OP_ID = "OP_TAGS_DEL"
|
548 | f27302fa | Iustin Pop | __slots__ = ["kind", "name", "tags"] |
549 | 06009e27 | Iustin Pop | |
550 | 06009e27 | Iustin Pop | |
551 | 06009e27 | Iustin Pop | # Test opcodes
|
552 | 06009e27 | Iustin Pop | class OpTestDelay(OpCode): |
553 | 06009e27 | Iustin Pop | """Sleeps for a configured amount of time.
|
554 | 06009e27 | Iustin Pop |
|
555 | 06009e27 | Iustin Pop | This is used just for debugging and testing.
|
556 | 06009e27 | Iustin Pop |
|
557 | 06009e27 | Iustin Pop | Parameters:
|
558 | 06009e27 | Iustin Pop | - duration: the time to sleep
|
559 | 06009e27 | Iustin Pop | - on_master: if true, sleep on the master
|
560 | 06009e27 | Iustin Pop | - on_nodes: list of nodes in which to sleep
|
561 | 06009e27 | Iustin Pop |
|
562 | 06009e27 | Iustin Pop | If the on_master parameter is true, it will execute a sleep on the
|
563 | 06009e27 | Iustin Pop | master (before any node sleep).
|
564 | 06009e27 | Iustin Pop |
|
565 | 06009e27 | Iustin Pop | If the on_nodes list is not empty, it will sleep on those nodes
|
566 | 06009e27 | Iustin Pop | (after the sleep on the master, if that is enabled).
|
567 | 06009e27 | Iustin Pop |
|
568 | 06009e27 | Iustin Pop | As an additional feature, the case of duration < 0 will be reported
|
569 | 06009e27 | Iustin Pop | as an execution error, so this opcode can be used as a failure
|
570 | 06009e27 | Iustin Pop | generator. The case of duration == 0 will not be treated specially.
|
571 | 06009e27 | Iustin Pop |
|
572 | 06009e27 | Iustin Pop | """
|
573 | 06009e27 | Iustin Pop | OP_ID = "OP_TEST_DELAY"
|
574 | 60dd1473 | Iustin Pop | OP_DSC_FIELD = "duration"
|
575 | 06009e27 | Iustin Pop | __slots__ = ["duration", "on_master", "on_nodes"] |
576 | d61df03e | Iustin Pop | |
577 | d61df03e | Iustin Pop | |
578 | d61df03e | Iustin Pop | class OpTestAllocator(OpCode): |
579 | d61df03e | Iustin Pop | """Allocator framework testing.
|
580 | d61df03e | Iustin Pop |
|
581 | d61df03e | Iustin Pop | This opcode has two modes:
|
582 | d61df03e | Iustin Pop | - gather and return allocator input for a given mode (allocate new
|
583 | d61df03e | Iustin Pop | or replace secondary) and a given instance definition (direction
|
584 | d61df03e | Iustin Pop | 'in')
|
585 | d61df03e | Iustin Pop | - run a selected allocator for a given operation (as above) and
|
586 | d61df03e | Iustin Pop | return the allocator output (direction 'out')
|
587 | d61df03e | Iustin Pop |
|
588 | d61df03e | Iustin Pop | """
|
589 | d61df03e | Iustin Pop | OP_ID = "OP_TEST_ALLOCATOR"
|
590 | 60dd1473 | Iustin Pop | OP_DSC_FIELD = "allocator"
|
591 | d61df03e | Iustin Pop | __slots__ = [ |
592 | d61df03e | Iustin Pop | "direction", "mode", "allocator", "name", |
593 | d61df03e | Iustin Pop | "mem_size", "disks", "disk_template", |
594 | 8cc7e742 | Guido Trotter | "os", "tags", "nics", "vcpus", "hypervisor", |
595 | d61df03e | Iustin Pop | ] |
596 | 363acb1e | Iustin Pop | |
597 | 363acb1e | Iustin Pop | OP_MAPPING = dict([(v.OP_ID, v) for v in globals().values() |
598 | 363acb1e | Iustin Pop | if (isinstance(v, type) and issubclass(v, OpCode) and |
599 | 363acb1e | Iustin Pop | hasattr(v, "OP_ID"))]) |