root / lib / query.py @ 43fcf0d3
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1 | 4ca96421 | Michael Hanselmann | #
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2 | 4ca96421 | Michael Hanselmann | #
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3 | 4ca96421 | Michael Hanselmann | |
4 | 82599b3e | Iustin Pop | # Copyright (C) 2010, 2011 Google Inc.
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5 | 4ca96421 | Michael Hanselmann | #
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6 | 4ca96421 | Michael Hanselmann | # This program is free software; you can redistribute it and/or modify
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7 | 4ca96421 | Michael Hanselmann | # it under the terms of the GNU General Public License as published by
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8 | 4ca96421 | Michael Hanselmann | # the Free Software Foundation; either version 2 of the License, or
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9 | 4ca96421 | Michael Hanselmann | # (at your option) any later version.
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10 | 4ca96421 | Michael Hanselmann | #
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11 | 4ca96421 | Michael Hanselmann | # This program is distributed in the hope that it will be useful, but
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12 | 4ca96421 | Michael Hanselmann | # WITHOUT ANY WARRANTY; without even the implied warranty of
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13 | 4ca96421 | Michael Hanselmann | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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14 | 4ca96421 | Michael Hanselmann | # General Public License for more details.
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15 | 4ca96421 | Michael Hanselmann | #
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16 | 4ca96421 | Michael Hanselmann | # You should have received a copy of the GNU General Public License
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17 | 4ca96421 | Michael Hanselmann | # along with this program; if not, write to the Free Software
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18 | 4ca96421 | Michael Hanselmann | # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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19 | 4ca96421 | Michael Hanselmann | # 02110-1301, USA.
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20 | 4ca96421 | Michael Hanselmann | |
21 | 4ca96421 | Michael Hanselmann | |
22 | 8f8ce6d1 | Michael Hanselmann | """Module for query operations
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23 | 8f8ce6d1 | Michael Hanselmann |
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24 | 8f8ce6d1 | Michael Hanselmann | How it works:
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25 | 8f8ce6d1 | Michael Hanselmann |
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26 | 8f8ce6d1 | Michael Hanselmann | - Add field definitions
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27 | 8f8ce6d1 | Michael Hanselmann | - See how L{NODE_FIELDS} is built
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28 | 8f8ce6d1 | Michael Hanselmann | - Each field gets:
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29 | 8f8ce6d1 | Michael Hanselmann | - Query field definition (L{objects.QueryFieldDefinition}, use
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30 | 8f8ce6d1 | Michael Hanselmann | L{_MakeField} for creating), containing:
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31 | 8f8ce6d1 | Michael Hanselmann | - Name, must be lowercase and match L{FIELD_NAME_RE}
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32 | 8f8ce6d1 | Michael Hanselmann | - Title for tables, must not contain whitespace and match
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33 | 8f8ce6d1 | Michael Hanselmann | L{TITLE_RE}
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34 | 8f8ce6d1 | Michael Hanselmann | - Value data type, e.g. L{constants.QFT_NUMBER}
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35 | 8f8ce6d1 | Michael Hanselmann | - Data request type, see e.g. C{NQ_*}
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36 | 8f8ce6d1 | Michael Hanselmann | - A retrieval function, see L{Query.__init__} for description
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37 | 8f8ce6d1 | Michael Hanselmann | - Pass list of fields through L{_PrepareFieldList} for preparation and
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38 | 8f8ce6d1 | Michael Hanselmann | checks
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39 | 8f8ce6d1 | Michael Hanselmann | - Instantiate L{Query} with prepared field list definition and selected fields
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40 | 8f8ce6d1 | Michael Hanselmann | - Call L{Query.RequestedData} to determine what data to collect/compute
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41 | 8f8ce6d1 | Michael Hanselmann | - Call L{Query.Query} or L{Query.OldStyleQuery} with collected data and use
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42 | 8f8ce6d1 | Michael Hanselmann | result
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43 | 8f8ce6d1 | Michael Hanselmann | - Data container must support iteration using C{__iter__}
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44 | 8f8ce6d1 | Michael Hanselmann | - Items are passed to retrieval functions and can have any format
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45 | 8f8ce6d1 | Michael Hanselmann | - Call L{Query.GetFields} to get list of definitions for selected fields
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46 | 8f8ce6d1 | Michael Hanselmann |
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47 | 8f8ce6d1 | Michael Hanselmann | @attention: Retrieval functions must be idempotent. They can be called multiple
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48 | 8f8ce6d1 | Michael Hanselmann | times, in any order and any number of times. This is important to keep in
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49 | 8f8ce6d1 | Michael Hanselmann | mind for implementing filters in the future.
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50 | 8f8ce6d1 | Michael Hanselmann |
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51 | 8f8ce6d1 | Michael Hanselmann | """
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52 | 4ca96421 | Michael Hanselmann | |
53 | 8235fe04 | Michael Hanselmann | import logging |
54 | 4ca96421 | Michael Hanselmann | import operator |
55 | 4ca96421 | Michael Hanselmann | import re |
56 | 4ca96421 | Michael Hanselmann | |
57 | 4ca96421 | Michael Hanselmann | from ganeti import constants |
58 | 4ca96421 | Michael Hanselmann | from ganeti import errors |
59 | 4ca96421 | Michael Hanselmann | from ganeti import utils |
60 | 4ca96421 | Michael Hanselmann | from ganeti import compat |
61 | 4ca96421 | Michael Hanselmann | from ganeti import objects |
62 | 4ca96421 | Michael Hanselmann | from ganeti import ht |
63 | 4ca96421 | Michael Hanselmann | |
64 | 82599b3e | Iustin Pop | from ganeti.constants import (QFT_UNKNOWN, QFT_TEXT, QFT_BOOL, QFT_NUMBER, |
65 | 82599b3e | Iustin Pop | QFT_UNIT, QFT_TIMESTAMP, QFT_OTHER, |
66 | cfb084ae | René Nussbaumer | RS_NORMAL, RS_UNKNOWN, RS_NODATA, |
67 | cfb084ae | René Nussbaumer | RS_UNAVAIL, RS_OFFLINE) |
68 | 82599b3e | Iustin Pop | |
69 | 4ca96421 | Michael Hanselmann | |
70 | 8f8ce6d1 | Michael Hanselmann | # Constants for requesting data from the caller/data provider. Each property
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71 | 8f8ce6d1 | Michael Hanselmann | # collected/computed separately by the data provider should have its own to
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72 | 8f8ce6d1 | Michael Hanselmann | # only collect the requested data and not more.
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73 | 8f8ce6d1 | Michael Hanselmann | |
74 | 8235fe04 | Michael Hanselmann | (NQ_CONFIG, |
75 | 8235fe04 | Michael Hanselmann | NQ_INST, |
76 | 8235fe04 | Michael Hanselmann | NQ_LIVE, |
77 | 52b5d286 | René Nussbaumer | NQ_GROUP, |
78 | 52b5d286 | René Nussbaumer | NQ_OOB) = range(1, 6) |
79 | 8235fe04 | Michael Hanselmann | |
80 | 1c8addc6 | Michael Hanselmann | (IQ_CONFIG, |
81 | 1c8addc6 | Michael Hanselmann | IQ_LIVE, |
82 | 5d28cb6f | Michael Hanselmann | IQ_DISKUSAGE, |
83 | 5d28cb6f | Michael Hanselmann | IQ_CONSOLE) = range(100, 104) |
84 | 1c8addc6 | Michael Hanselmann | |
85 | 24d16f76 | Michael Hanselmann | (LQ_MODE, |
86 | 24d16f76 | Michael Hanselmann | LQ_OWNER, |
87 | 24d16f76 | Michael Hanselmann | LQ_PENDING) = range(10, 13) |
88 | 8235fe04 | Michael Hanselmann | |
89 | 8e21cfc0 | Adeodato Simo | (GQ_CONFIG, |
90 | 8e21cfc0 | Adeodato Simo | GQ_NODE, |
91 | 8e21cfc0 | Adeodato Simo | GQ_INST) = range(200, 203) |
92 | 8e21cfc0 | Adeodato Simo | |
93 | 8e21cfc0 | Adeodato Simo | |
94 | 4ca96421 | Michael Hanselmann | FIELD_NAME_RE = re.compile(r"^[a-z0-9/._]+$")
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95 | 4ca96421 | Michael Hanselmann | TITLE_RE = re.compile(r"^[^\s]+$")
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96 | 4ca96421 | Michael Hanselmann | |
97 | 4ca96421 | Michael Hanselmann | #: Verification function for each field type
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98 | 4ca96421 | Michael Hanselmann | _VERIFY_FN = { |
99 | 82599b3e | Iustin Pop | QFT_UNKNOWN: ht.TNone, |
100 | 82599b3e | Iustin Pop | QFT_TEXT: ht.TString, |
101 | 82599b3e | Iustin Pop | QFT_BOOL: ht.TBool, |
102 | 82599b3e | Iustin Pop | QFT_NUMBER: ht.TInt, |
103 | 82599b3e | Iustin Pop | QFT_UNIT: ht.TInt, |
104 | 82599b3e | Iustin Pop | QFT_TIMESTAMP: ht.TOr(ht.TInt, ht.TFloat), |
105 | 82599b3e | Iustin Pop | QFT_OTHER: lambda _: True, |
106 | 4ca96421 | Michael Hanselmann | } |
107 | 4ca96421 | Michael Hanselmann | |
108 | e2d188cc | Iustin Pop | # Unique objects for special field statuses
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109 | e2d188cc | Iustin Pop | _FS_UNKNOWN = object()
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110 | e2d188cc | Iustin Pop | _FS_NODATA = object()
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111 | e2d188cc | Iustin Pop | _FS_UNAVAIL = object()
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112 | e2d188cc | Iustin Pop | _FS_OFFLINE = object()
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113 | e2d188cc | Iustin Pop | |
114 | af58707c | Iustin Pop | #: VType to QFT mapping
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115 | af58707c | Iustin Pop | _VTToQFT = { |
116 | af58707c | Iustin Pop | # TODO: fix validation of empty strings
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117 | af58707c | Iustin Pop | constants.VTYPE_STRING: QFT_OTHER, # since VTYPE_STRINGs can be empty
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118 | af58707c | Iustin Pop | constants.VTYPE_MAYBE_STRING: QFT_OTHER, |
119 | af58707c | Iustin Pop | constants.VTYPE_BOOL: QFT_BOOL, |
120 | af58707c | Iustin Pop | constants.VTYPE_SIZE: QFT_UNIT, |
121 | af58707c | Iustin Pop | constants.VTYPE_INT: QFT_NUMBER, |
122 | af58707c | Iustin Pop | } |
123 | af58707c | Iustin Pop | |
124 | 4ca96421 | Michael Hanselmann | |
125 | 4ca96421 | Michael Hanselmann | def _GetUnknownField(ctx, item): # pylint: disable-msg=W0613 |
126 | 4ca96421 | Michael Hanselmann | """Gets the contents of an unknown field.
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127 | 4ca96421 | Michael Hanselmann |
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128 | 4ca96421 | Michael Hanselmann | """
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129 | e2d188cc | Iustin Pop | return _FS_UNKNOWN
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130 | 4ca96421 | Michael Hanselmann | |
131 | 4ca96421 | Michael Hanselmann | |
132 | 4ca96421 | Michael Hanselmann | def _GetQueryFields(fielddefs, selected): |
133 | 4ca96421 | Michael Hanselmann | """Calculates the internal list of selected fields.
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134 | 4ca96421 | Michael Hanselmann |
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135 | 4ca96421 | Michael Hanselmann | Unknown fields are returned as L{constants.QFT_UNKNOWN}.
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136 | 4ca96421 | Michael Hanselmann |
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137 | 4ca96421 | Michael Hanselmann | @type fielddefs: dict
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138 | 4ca96421 | Michael Hanselmann | @param fielddefs: Field definitions
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139 | 4ca96421 | Michael Hanselmann | @type selected: list of strings
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140 | 4ca96421 | Michael Hanselmann | @param selected: List of selected fields
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141 | 4ca96421 | Michael Hanselmann |
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142 | 4ca96421 | Michael Hanselmann | """
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143 | 4ca96421 | Michael Hanselmann | result = [] |
144 | 4ca96421 | Michael Hanselmann | |
145 | 4ca96421 | Michael Hanselmann | for name in selected: |
146 | 4ca96421 | Michael Hanselmann | try:
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147 | 4ca96421 | Michael Hanselmann | fdef = fielddefs[name] |
148 | 4ca96421 | Michael Hanselmann | except KeyError: |
149 | 82599b3e | Iustin Pop | fdef = (_MakeField(name, name, QFT_UNKNOWN), None, _GetUnknownField)
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150 | 4ca96421 | Michael Hanselmann | |
151 | 4ca96421 | Michael Hanselmann | assert len(fdef) == 3 |
152 | 4ca96421 | Michael Hanselmann | |
153 | 4ca96421 | Michael Hanselmann | result.append(fdef) |
154 | 4ca96421 | Michael Hanselmann | |
155 | 4ca96421 | Michael Hanselmann | return result
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156 | 4ca96421 | Michael Hanselmann | |
157 | 4ca96421 | Michael Hanselmann | |
158 | 4ca96421 | Michael Hanselmann | def GetAllFields(fielddefs): |
159 | 4ca96421 | Michael Hanselmann | """Extract L{objects.QueryFieldDefinition} from field definitions.
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160 | 4ca96421 | Michael Hanselmann |
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161 | 4ca96421 | Michael Hanselmann | @rtype: list of L{objects.QueryFieldDefinition}
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162 | 4ca96421 | Michael Hanselmann |
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163 | 4ca96421 | Michael Hanselmann | """
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164 | 4ca96421 | Michael Hanselmann | return [fdef for (fdef, _, _) in fielddefs] |
165 | 4ca96421 | Michael Hanselmann | |
166 | 4ca96421 | Michael Hanselmann | |
167 | 4ca96421 | Michael Hanselmann | class Query: |
168 | 4ca96421 | Michael Hanselmann | def __init__(self, fieldlist, selected): |
169 | 4ca96421 | Michael Hanselmann | """Initializes this class.
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170 | 4ca96421 | Michael Hanselmann |
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171 | 4ca96421 | Michael Hanselmann | The field definition is a dictionary with the field's name as a key and a
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172 | 4ca96421 | Michael Hanselmann | tuple containing, in order, the field definition object
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173 | 4ca96421 | Michael Hanselmann | (L{objects.QueryFieldDefinition}, the data kind to help calling code
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174 | 4ca96421 | Michael Hanselmann | collect data and a retrieval function. The retrieval function is called
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175 | 4ca96421 | Michael Hanselmann | with two parameters, in order, the data container and the item in container
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176 | 4ca96421 | Michael Hanselmann | (see L{Query.Query}).
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177 | 4ca96421 | Michael Hanselmann |
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178 | 4ca96421 | Michael Hanselmann | Users of this class can call L{RequestedData} before preparing the data
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179 | 4ca96421 | Michael Hanselmann | container to determine what data is needed.
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180 | 4ca96421 | Michael Hanselmann |
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181 | 4ca96421 | Michael Hanselmann | @type fieldlist: dictionary
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182 | 4ca96421 | Michael Hanselmann | @param fieldlist: Field definitions
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183 | 4ca96421 | Michael Hanselmann | @type selected: list of strings
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184 | 4ca96421 | Michael Hanselmann | @param selected: List of selected fields
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185 | 4ca96421 | Michael Hanselmann |
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186 | 4ca96421 | Michael Hanselmann | """
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187 | 4ca96421 | Michael Hanselmann | self._fields = _GetQueryFields(fieldlist, selected)
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188 | 4ca96421 | Michael Hanselmann | |
189 | 4ca96421 | Michael Hanselmann | def RequestedData(self): |
190 | 4ca96421 | Michael Hanselmann | """Gets requested kinds of data.
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191 | 4ca96421 | Michael Hanselmann |
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192 | 4ca96421 | Michael Hanselmann | @rtype: frozenset
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193 | 4ca96421 | Michael Hanselmann |
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194 | 4ca96421 | Michael Hanselmann | """
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195 | 4ca96421 | Michael Hanselmann | return frozenset(datakind |
196 | 4ca96421 | Michael Hanselmann | for (_, datakind, _) in self._fields |
197 | 4ca96421 | Michael Hanselmann | if datakind is not None) |
198 | 4ca96421 | Michael Hanselmann | |
199 | 4ca96421 | Michael Hanselmann | def GetFields(self): |
200 | 4ca96421 | Michael Hanselmann | """Returns the list of fields for this query.
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201 | 4ca96421 | Michael Hanselmann |
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202 | 4ca96421 | Michael Hanselmann | Includes unknown fields.
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203 | 4ca96421 | Michael Hanselmann |
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204 | 4ca96421 | Michael Hanselmann | @rtype: List of L{objects.QueryFieldDefinition}
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205 | 4ca96421 | Michael Hanselmann |
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206 | 4ca96421 | Michael Hanselmann | """
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207 | 4ca96421 | Michael Hanselmann | return GetAllFields(self._fields) |
208 | 4ca96421 | Michael Hanselmann | |
209 | 4ca96421 | Michael Hanselmann | def Query(self, ctx): |
210 | 4ca96421 | Michael Hanselmann | """Execute a query.
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211 | 4ca96421 | Michael Hanselmann |
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212 | 4ca96421 | Michael Hanselmann | @param ctx: Data container passed to field retrieval functions, must
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213 | 4ca96421 | Michael Hanselmann | support iteration using C{__iter__}
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214 | 4ca96421 | Michael Hanselmann |
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215 | 4ca96421 | Michael Hanselmann | """
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216 | e2d188cc | Iustin Pop | result = [[_ProcessResult(fn(ctx, item)) for (_, _, fn) in self._fields] |
217 | 4ca96421 | Michael Hanselmann | for item in ctx] |
218 | 4ca96421 | Michael Hanselmann | |
219 | 4ca96421 | Michael Hanselmann | # Verify result
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220 | 4ca96421 | Michael Hanselmann | if __debug__:
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221 | d1c3c3b3 | Iustin Pop | for row in result: |
222 | d1c3c3b3 | Iustin Pop | _VerifyResultRow(self._fields, row)
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223 | 4ca96421 | Michael Hanselmann | |
224 | 4ca96421 | Michael Hanselmann | return result
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225 | 4ca96421 | Michael Hanselmann | |
226 | 4ca96421 | Michael Hanselmann | def OldStyleQuery(self, ctx): |
227 | 4ca96421 | Michael Hanselmann | """Query with "old" query result format.
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228 | 4ca96421 | Michael Hanselmann |
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229 | 4ca96421 | Michael Hanselmann | See L{Query.Query} for arguments.
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230 | 4ca96421 | Michael Hanselmann |
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231 | 4ca96421 | Michael Hanselmann | """
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232 | 4ca96421 | Michael Hanselmann | unknown = set(fdef.name
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233 | 82599b3e | Iustin Pop | for (fdef, _, _) in self._fields if fdef.kind == QFT_UNKNOWN) |
234 | 4ca96421 | Michael Hanselmann | if unknown:
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235 | 4ca96421 | Michael Hanselmann | raise errors.OpPrereqError("Unknown output fields selected: %s" % |
236 | 4ca96421 | Michael Hanselmann | (utils.CommaJoin(unknown), ), |
237 | 4ca96421 | Michael Hanselmann | errors.ECODE_INVAL) |
238 | 4ca96421 | Michael Hanselmann | |
239 | 4ca96421 | Michael Hanselmann | return [[value for (_, value) in row] |
240 | 4ca96421 | Michael Hanselmann | for row in self.Query(ctx)] |
241 | 4ca96421 | Michael Hanselmann | |
242 | 4ca96421 | Michael Hanselmann | |
243 | e2d188cc | Iustin Pop | def _ProcessResult(value): |
244 | e2d188cc | Iustin Pop | """Converts result values into externally-visible ones.
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245 | e2d188cc | Iustin Pop |
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246 | e2d188cc | Iustin Pop | """
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247 | e2d188cc | Iustin Pop | if value is _FS_UNKNOWN: |
248 | cfb084ae | René Nussbaumer | return (RS_UNKNOWN, None) |
249 | e2d188cc | Iustin Pop | elif value is _FS_NODATA: |
250 | cfb084ae | René Nussbaumer | return (RS_NODATA, None) |
251 | e2d188cc | Iustin Pop | elif value is _FS_UNAVAIL: |
252 | cfb084ae | René Nussbaumer | return (RS_UNAVAIL, None) |
253 | e2d188cc | Iustin Pop | elif value is _FS_OFFLINE: |
254 | cfb084ae | René Nussbaumer | return (RS_OFFLINE, None) |
255 | e2d188cc | Iustin Pop | else:
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256 | cfb084ae | René Nussbaumer | return (RS_NORMAL, value)
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257 | e2d188cc | Iustin Pop | |
258 | e2d188cc | Iustin Pop | |
259 | 4ca96421 | Michael Hanselmann | def _VerifyResultRow(fields, row): |
260 | 4ca96421 | Michael Hanselmann | """Verifies the contents of a query result row.
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261 | 4ca96421 | Michael Hanselmann |
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262 | 4ca96421 | Michael Hanselmann | @type fields: list
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263 | 4ca96421 | Michael Hanselmann | @param fields: Field definitions for result
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264 | 4ca96421 | Michael Hanselmann | @type row: list of tuples
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265 | 4ca96421 | Michael Hanselmann | @param row: Row data
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266 | 4ca96421 | Michael Hanselmann |
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267 | 4ca96421 | Michael Hanselmann | """
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268 | d1c3c3b3 | Iustin Pop | assert len(row) == len(fields) |
269 | d1c3c3b3 | Iustin Pop | errs = [] |
270 | d1c3c3b3 | Iustin Pop | for ((status, value), (fdef, _, _)) in zip(row, fields): |
271 | cfb084ae | René Nussbaumer | if status == RS_NORMAL:
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272 | d1c3c3b3 | Iustin Pop | if not _VERIFY_FN[fdef.kind](value): |
273 | d1c3c3b3 | Iustin Pop | errs.append("normal field %s fails validation (value is %s)" %
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274 | d1c3c3b3 | Iustin Pop | (fdef.name, value)) |
275 | d1c3c3b3 | Iustin Pop | elif value is not None: |
276 | d1c3c3b3 | Iustin Pop | errs.append("abnormal field %s has a non-None value" % fdef.name)
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277 | d1c3c3b3 | Iustin Pop | assert not errs, ("Failed validation: %s in row %s" % |
278 | d1c3c3b3 | Iustin Pop | (utils.CommaJoin(errors), row)) |
279 | 4ca96421 | Michael Hanselmann | |
280 | 4ca96421 | Michael Hanselmann | |
281 | d63bd540 | Iustin Pop | def _PrepareFieldList(fields, aliases): |
282 | 4ca96421 | Michael Hanselmann | """Prepares field list for use by L{Query}.
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283 | 4ca96421 | Michael Hanselmann |
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284 | 4ca96421 | Michael Hanselmann | Converts the list to a dictionary and does some verification.
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285 | 4ca96421 | Michael Hanselmann |
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286 | d63bd540 | Iustin Pop | @type fields: list of tuples; (L{objects.QueryFieldDefinition}, data
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287 | d63bd540 | Iustin Pop | kind, retrieval function)
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288 | d63bd540 | Iustin Pop | @param fields: List of fields, see L{Query.__init__} for a better
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289 | d63bd540 | Iustin Pop | description
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290 | d63bd540 | Iustin Pop | @type aliases: list of tuples; (alias, target)
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291 | d63bd540 | Iustin Pop | @param aliases: list of tuples containing aliases; for each
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292 | d63bd540 | Iustin Pop | alias/target pair, a duplicate will be created in the field list
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293 | 4ca96421 | Michael Hanselmann | @rtype: dict
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294 | 4ca96421 | Michael Hanselmann | @return: Field dictionary for L{Query}
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295 | 4ca96421 | Michael Hanselmann |
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296 | 4ca96421 | Michael Hanselmann | """
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297 | 89ce4acc | Michael Hanselmann | if __debug__:
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298 | 89ce4acc | Michael Hanselmann | duplicates = utils.FindDuplicates(fdef.title.lower() |
299 | 89ce4acc | Michael Hanselmann | for (fdef, _, _) in fields) |
300 | 89ce4acc | Michael Hanselmann | assert not duplicates, "Duplicate title(s) found: %r" % duplicates |
301 | 4ca96421 | Michael Hanselmann | |
302 | 4ca96421 | Michael Hanselmann | result = {} |
303 | 4ca96421 | Michael Hanselmann | |
304 | 4ca96421 | Michael Hanselmann | for field in fields: |
305 | 4ca96421 | Michael Hanselmann | (fdef, _, fn) = field |
306 | 4ca96421 | Michael Hanselmann | |
307 | 4ca96421 | Michael Hanselmann | assert fdef.name and fdef.title, "Name and title are required" |
308 | 4ca96421 | Michael Hanselmann | assert FIELD_NAME_RE.match(fdef.name)
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309 | 4ca96421 | Michael Hanselmann | assert TITLE_RE.match(fdef.title)
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310 | 4ca96421 | Michael Hanselmann | assert callable(fn) |
311 | 89ce4acc | Michael Hanselmann | assert fdef.name not in result, \ |
312 | 89ce4acc | Michael Hanselmann | "Duplicate field name '%s' found" % fdef.name
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313 | 4ca96421 | Michael Hanselmann | |
314 | 4ca96421 | Michael Hanselmann | result[fdef.name] = field |
315 | 4ca96421 | Michael Hanselmann | |
316 | d63bd540 | Iustin Pop | for alias, target in aliases: |
317 | d63bd540 | Iustin Pop | assert alias not in result, "Alias %s overrides an existing field" % alias |
318 | d63bd540 | Iustin Pop | assert target in result, "Missing target %s for alias %s" % (target, alias) |
319 | d63bd540 | Iustin Pop | (fdef, k, fn) = result[target] |
320 | d63bd540 | Iustin Pop | fdef = fdef.Copy() |
321 | d63bd540 | Iustin Pop | fdef.name = alias |
322 | d63bd540 | Iustin Pop | result[alias] = (fdef, k, fn) |
323 | d63bd540 | Iustin Pop | |
324 | d63bd540 | Iustin Pop | assert len(result) == len(fields) + len(aliases) |
325 | 4ca96421 | Michael Hanselmann | assert compat.all(name == fdef.name
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326 | 4ca96421 | Michael Hanselmann | for (name, (fdef, _, _)) in result.items()) |
327 | 4ca96421 | Michael Hanselmann | |
328 | 4ca96421 | Michael Hanselmann | return result
|
329 | 4ca96421 | Michael Hanselmann | |
330 | 4ca96421 | Michael Hanselmann | |
331 | b60fcb6f | Michael Hanselmann | def GetQueryResponse(query, ctx): |
332 | b60fcb6f | Michael Hanselmann | """Prepares the response for a query.
|
333 | b60fcb6f | Michael Hanselmann |
|
334 | b60fcb6f | Michael Hanselmann | @type query: L{Query}
|
335 | b60fcb6f | Michael Hanselmann | @param ctx: Data container, see L{Query.Query}
|
336 | b60fcb6f | Michael Hanselmann |
|
337 | b60fcb6f | Michael Hanselmann | """
|
338 | b60fcb6f | Michael Hanselmann | return objects.QueryResponse(data=query.Query(ctx),
|
339 | b60fcb6f | Michael Hanselmann | fields=query.GetFields()).ToDict() |
340 | b60fcb6f | Michael Hanselmann | |
341 | b60fcb6f | Michael Hanselmann | |
342 | aa29e95f | Michael Hanselmann | def QueryFields(fielddefs, selected): |
343 | aa29e95f | Michael Hanselmann | """Returns list of available fields.
|
344 | aa29e95f | Michael Hanselmann |
|
345 | aa29e95f | Michael Hanselmann | @type fielddefs: dict
|
346 | aa29e95f | Michael Hanselmann | @param fielddefs: Field definitions
|
347 | aa29e95f | Michael Hanselmann | @type selected: list of strings
|
348 | aa29e95f | Michael Hanselmann | @param selected: List of selected fields
|
349 | aa29e95f | Michael Hanselmann | @return: List of L{objects.QueryFieldDefinition}
|
350 | aa29e95f | Michael Hanselmann |
|
351 | aa29e95f | Michael Hanselmann | """
|
352 | aa29e95f | Michael Hanselmann | if selected is None: |
353 | aa29e95f | Michael Hanselmann | # Client requests all fields, sort by name
|
354 | aa29e95f | Michael Hanselmann | fdefs = utils.NiceSort(GetAllFields(fielddefs.values()), |
355 | aa29e95f | Michael Hanselmann | key=operator.attrgetter("name"))
|
356 | aa29e95f | Michael Hanselmann | else:
|
357 | aa29e95f | Michael Hanselmann | # Keep order as requested by client
|
358 | aa29e95f | Michael Hanselmann | fdefs = Query(fielddefs, selected).GetFields() |
359 | aa29e95f | Michael Hanselmann | |
360 | aa29e95f | Michael Hanselmann | return objects.QueryFieldsResponse(fields=fdefs).ToDict()
|
361 | aa29e95f | Michael Hanselmann | |
362 | aa29e95f | Michael Hanselmann | |
363 | 4ca96421 | Michael Hanselmann | def _MakeField(name, title, kind): |
364 | 4ca96421 | Michael Hanselmann | """Wrapper for creating L{objects.QueryFieldDefinition} instances.
|
365 | 4ca96421 | Michael Hanselmann |
|
366 | 4ca96421 | Michael Hanselmann | @param name: Field name as a regular expression
|
367 | 4ca96421 | Michael Hanselmann | @param title: Human-readable title
|
368 | 4ca96421 | Michael Hanselmann | @param kind: Field type
|
369 | 4ca96421 | Michael Hanselmann |
|
370 | 4ca96421 | Michael Hanselmann | """
|
371 | 4ca96421 | Michael Hanselmann | return objects.QueryFieldDefinition(name=name, title=title, kind=kind)
|
372 | 8235fe04 | Michael Hanselmann | |
373 | 8235fe04 | Michael Hanselmann | |
374 | 8235fe04 | Michael Hanselmann | def _GetNodeRole(node, master_name): |
375 | 8235fe04 | Michael Hanselmann | """Determine node role.
|
376 | 8235fe04 | Michael Hanselmann |
|
377 | 8235fe04 | Michael Hanselmann | @type node: L{objects.Node}
|
378 | 8235fe04 | Michael Hanselmann | @param node: Node object
|
379 | 8235fe04 | Michael Hanselmann | @type master_name: string
|
380 | 8235fe04 | Michael Hanselmann | @param master_name: Master node name
|
381 | 8235fe04 | Michael Hanselmann |
|
382 | 8235fe04 | Michael Hanselmann | """
|
383 | 8235fe04 | Michael Hanselmann | if node.name == master_name:
|
384 | 8235fe04 | Michael Hanselmann | return "M" |
385 | 8235fe04 | Michael Hanselmann | elif node.master_candidate:
|
386 | 8235fe04 | Michael Hanselmann | return "C" |
387 | 8235fe04 | Michael Hanselmann | elif node.drained:
|
388 | 8235fe04 | Michael Hanselmann | return "D" |
389 | 8235fe04 | Michael Hanselmann | elif node.offline:
|
390 | 8235fe04 | Michael Hanselmann | return "O" |
391 | 8235fe04 | Michael Hanselmann | else:
|
392 | 8235fe04 | Michael Hanselmann | return "R" |
393 | 8235fe04 | Michael Hanselmann | |
394 | 8235fe04 | Michael Hanselmann | |
395 | 8235fe04 | Michael Hanselmann | def _GetItemAttr(attr): |
396 | 8235fe04 | Michael Hanselmann | """Returns a field function to return an attribute of the item.
|
397 | 8235fe04 | Michael Hanselmann |
|
398 | 8235fe04 | Michael Hanselmann | @param attr: Attribute name
|
399 | 8235fe04 | Michael Hanselmann |
|
400 | 8235fe04 | Michael Hanselmann | """
|
401 | 8235fe04 | Michael Hanselmann | getter = operator.attrgetter(attr) |
402 | e2d188cc | Iustin Pop | return lambda _, item: getter(item) |
403 | 8235fe04 | Michael Hanselmann | |
404 | 8235fe04 | Michael Hanselmann | |
405 | 145bea54 | Michael Hanselmann | def _GetItemTimestamp(getter): |
406 | 145bea54 | Michael Hanselmann | """Returns function for getting timestamp of item.
|
407 | 145bea54 | Michael Hanselmann |
|
408 | 145bea54 | Michael Hanselmann | @type getter: callable
|
409 | 145bea54 | Michael Hanselmann | @param getter: Function to retrieve timestamp attribute
|
410 | 145bea54 | Michael Hanselmann |
|
411 | 145bea54 | Michael Hanselmann | """
|
412 | 145bea54 | Michael Hanselmann | def fn(_, item): |
413 | 145bea54 | Michael Hanselmann | """Returns a timestamp of item.
|
414 | 145bea54 | Michael Hanselmann |
|
415 | 145bea54 | Michael Hanselmann | """
|
416 | 145bea54 | Michael Hanselmann | timestamp = getter(item) |
417 | 145bea54 | Michael Hanselmann | if timestamp is None: |
418 | 145bea54 | Michael Hanselmann | # Old configs might not have all timestamps
|
419 | e2d188cc | Iustin Pop | return _FS_UNAVAIL
|
420 | 145bea54 | Michael Hanselmann | else:
|
421 | e2d188cc | Iustin Pop | return timestamp
|
422 | 145bea54 | Michael Hanselmann | |
423 | 145bea54 | Michael Hanselmann | return fn
|
424 | 145bea54 | Michael Hanselmann | |
425 | 145bea54 | Michael Hanselmann | |
426 | 145bea54 | Michael Hanselmann | def _GetItemTimestampFields(datatype): |
427 | 145bea54 | Michael Hanselmann | """Returns common timestamp fields.
|
428 | 145bea54 | Michael Hanselmann |
|
429 | 145bea54 | Michael Hanselmann | @param datatype: Field data type for use by L{Query.RequestedData}
|
430 | 145bea54 | Michael Hanselmann |
|
431 | 145bea54 | Michael Hanselmann | """
|
432 | 145bea54 | Michael Hanselmann | return [
|
433 | 82599b3e | Iustin Pop | (_MakeField("ctime", "CTime", QFT_TIMESTAMP), datatype, |
434 | 145bea54 | Michael Hanselmann | _GetItemTimestamp(operator.attrgetter("ctime"))),
|
435 | 82599b3e | Iustin Pop | (_MakeField("mtime", "MTime", QFT_TIMESTAMP), datatype, |
436 | 145bea54 | Michael Hanselmann | _GetItemTimestamp(operator.attrgetter("mtime"))),
|
437 | 145bea54 | Michael Hanselmann | ] |
438 | 145bea54 | Michael Hanselmann | |
439 | 145bea54 | Michael Hanselmann | |
440 | 8235fe04 | Michael Hanselmann | class NodeQueryData: |
441 | 8235fe04 | Michael Hanselmann | """Data container for node data queries.
|
442 | 8235fe04 | Michael Hanselmann |
|
443 | 8235fe04 | Michael Hanselmann | """
|
444 | 8235fe04 | Michael Hanselmann | def __init__(self, nodes, live_data, master_name, node_to_primary, |
445 | 8572f1fe | René Nussbaumer | node_to_secondary, groups, oob_support, cluster): |
446 | 8235fe04 | Michael Hanselmann | """Initializes this class.
|
447 | 8235fe04 | Michael Hanselmann |
|
448 | 8235fe04 | Michael Hanselmann | """
|
449 | 8235fe04 | Michael Hanselmann | self.nodes = nodes
|
450 | 8235fe04 | Michael Hanselmann | self.live_data = live_data
|
451 | 8235fe04 | Michael Hanselmann | self.master_name = master_name
|
452 | 8235fe04 | Michael Hanselmann | self.node_to_primary = node_to_primary
|
453 | 8235fe04 | Michael Hanselmann | self.node_to_secondary = node_to_secondary
|
454 | 8235fe04 | Michael Hanselmann | self.groups = groups
|
455 | 52b5d286 | René Nussbaumer | self.oob_support = oob_support
|
456 | 8572f1fe | René Nussbaumer | self.cluster = cluster
|
457 | 8235fe04 | Michael Hanselmann | |
458 | 8235fe04 | Michael Hanselmann | # Used for individual rows
|
459 | 8235fe04 | Michael Hanselmann | self.curlive_data = None |
460 | 8235fe04 | Michael Hanselmann | |
461 | 8235fe04 | Michael Hanselmann | def __iter__(self): |
462 | 8235fe04 | Michael Hanselmann | """Iterate over all nodes.
|
463 | 8235fe04 | Michael Hanselmann |
|
464 | 8235fe04 | Michael Hanselmann | This function has side-effects and only one instance of the resulting
|
465 | 8235fe04 | Michael Hanselmann | generator should be used at a time.
|
466 | 8235fe04 | Michael Hanselmann |
|
467 | 8235fe04 | Michael Hanselmann | """
|
468 | 8235fe04 | Michael Hanselmann | for node in self.nodes: |
469 | 8235fe04 | Michael Hanselmann | if self.live_data: |
470 | 8235fe04 | Michael Hanselmann | self.curlive_data = self.live_data.get(node.name, None) |
471 | 8235fe04 | Michael Hanselmann | else:
|
472 | 8235fe04 | Michael Hanselmann | self.curlive_data = None |
473 | 8235fe04 | Michael Hanselmann | yield node
|
474 | 8235fe04 | Michael Hanselmann | |
475 | 8235fe04 | Michael Hanselmann | |
476 | 8235fe04 | Michael Hanselmann | #: Fields that are direct attributes of an L{objects.Node} object
|
477 | 8235fe04 | Michael Hanselmann | _NODE_SIMPLE_FIELDS = { |
478 | 82599b3e | Iustin Pop | "drained": ("Drained", QFT_BOOL), |
479 | 82599b3e | Iustin Pop | "master_candidate": ("MasterC", QFT_BOOL), |
480 | 82599b3e | Iustin Pop | "master_capable": ("MasterCapable", QFT_BOOL), |
481 | 82599b3e | Iustin Pop | "name": ("Node", QFT_TEXT), |
482 | 82599b3e | Iustin Pop | "offline": ("Offline", QFT_BOOL), |
483 | 82599b3e | Iustin Pop | "serial_no": ("SerialNo", QFT_NUMBER), |
484 | 82599b3e | Iustin Pop | "uuid": ("UUID", QFT_TEXT), |
485 | 82599b3e | Iustin Pop | "vm_capable": ("VMCapable", QFT_BOOL), |
486 | 8235fe04 | Michael Hanselmann | } |
487 | 8235fe04 | Michael Hanselmann | |
488 | 8235fe04 | Michael Hanselmann | |
489 | 8235fe04 | Michael Hanselmann | #: Fields requiring talking to the node
|
490 | effab4ca | Iustin Pop | # Note that none of these are available for non-vm_capable nodes
|
491 | 8235fe04 | Michael Hanselmann | _NODE_LIVE_FIELDS = { |
492 | 82599b3e | Iustin Pop | "bootid": ("BootID", QFT_TEXT, "bootid"), |
493 | 82599b3e | Iustin Pop | "cnodes": ("CNodes", QFT_NUMBER, "cpu_nodes"), |
494 | 82599b3e | Iustin Pop | "csockets": ("CSockets", QFT_NUMBER, "cpu_sockets"), |
495 | 82599b3e | Iustin Pop | "ctotal": ("CTotal", QFT_NUMBER, "cpu_total"), |
496 | 82599b3e | Iustin Pop | "dfree": ("DFree", QFT_UNIT, "vg_free"), |
497 | 82599b3e | Iustin Pop | "dtotal": ("DTotal", QFT_UNIT, "vg_size"), |
498 | 82599b3e | Iustin Pop | "mfree": ("MFree", QFT_UNIT, "memory_free"), |
499 | 82599b3e | Iustin Pop | "mnode": ("MNode", QFT_UNIT, "memory_dom0"), |
500 | 82599b3e | Iustin Pop | "mtotal": ("MTotal", QFT_UNIT, "memory_total"), |
501 | 8235fe04 | Michael Hanselmann | } |
502 | 8235fe04 | Michael Hanselmann | |
503 | 8235fe04 | Michael Hanselmann | |
504 | 8572f1fe | René Nussbaumer | def _GetGroup(cb): |
505 | 8572f1fe | René Nussbaumer | """Build function for calling another function with an node group.
|
506 | 8572f1fe | René Nussbaumer |
|
507 | 8572f1fe | René Nussbaumer | @param cb: The callback to be called with the nodegroup
|
508 | 8572f1fe | René Nussbaumer |
|
509 | 8572f1fe | René Nussbaumer | """
|
510 | 8572f1fe | René Nussbaumer | def fn(ctx, node): |
511 | 8572f1fe | René Nussbaumer | """Get group data for a node.
|
512 | 8572f1fe | René Nussbaumer |
|
513 | 8572f1fe | René Nussbaumer | @type ctx: L{NodeQueryData}
|
514 | 8572f1fe | René Nussbaumer | @type inst: L{objects.Node}
|
515 | 8572f1fe | René Nussbaumer | @param inst: Node object
|
516 | 8572f1fe | René Nussbaumer |
|
517 | 8572f1fe | René Nussbaumer | """
|
518 | 8572f1fe | René Nussbaumer | ng = ctx.groups.get(node.group, None)
|
519 | 8572f1fe | René Nussbaumer | if ng is None: |
520 | 8572f1fe | René Nussbaumer | # Nodes always have a group, or the configuration is corrupt
|
521 | e2d188cc | Iustin Pop | return _FS_UNAVAIL
|
522 | 8572f1fe | René Nussbaumer | |
523 | 8572f1fe | René Nussbaumer | return cb(ctx, node, ng)
|
524 | 8572f1fe | René Nussbaumer | |
525 | 8572f1fe | René Nussbaumer | return fn
|
526 | 8572f1fe | René Nussbaumer | |
527 | 8572f1fe | René Nussbaumer | |
528 | 8572f1fe | René Nussbaumer | def _GetNodeGroup(ctx, node, ng): # pylint: disable-msg=W0613 |
529 | 8235fe04 | Michael Hanselmann | """Returns the name of a node's group.
|
530 | 8235fe04 | Michael Hanselmann |
|
531 | 8235fe04 | Michael Hanselmann | @type ctx: L{NodeQueryData}
|
532 | 8235fe04 | Michael Hanselmann | @type node: L{objects.Node}
|
533 | 8235fe04 | Michael Hanselmann | @param node: Node object
|
534 | 8572f1fe | René Nussbaumer | @type ng: L{objects.NodeGroup}
|
535 | 8572f1fe | René Nussbaumer | @param ng: The node group this node belongs to
|
536 | 8235fe04 | Michael Hanselmann |
|
537 | 8235fe04 | Michael Hanselmann | """
|
538 | e2d188cc | Iustin Pop | return ng.name
|
539 | 8235fe04 | Michael Hanselmann | |
540 | 8235fe04 | Michael Hanselmann | |
541 | 52b5d286 | René Nussbaumer | def _GetNodePower(ctx, node): |
542 | 52b5d286 | René Nussbaumer | """Returns the node powered state
|
543 | 52b5d286 | René Nussbaumer |
|
544 | 52b5d286 | René Nussbaumer | @type ctx: L{NodeQueryData}
|
545 | 52b5d286 | René Nussbaumer | @type node: L{objects.Node}
|
546 | 52b5d286 | René Nussbaumer | @param node: Node object
|
547 | 52b5d286 | René Nussbaumer |
|
548 | 52b5d286 | René Nussbaumer | """
|
549 | 52b5d286 | René Nussbaumer | if ctx.oob_support[node.name]:
|
550 | e2d188cc | Iustin Pop | return node.powered
|
551 | 52b5d286 | René Nussbaumer | |
552 | e2d188cc | Iustin Pop | return _FS_UNAVAIL
|
553 | 52b5d286 | René Nussbaumer | |
554 | 52b5d286 | René Nussbaumer | |
555 | 8572f1fe | René Nussbaumer | def _GetNdParams(ctx, node, ng): |
556 | 8572f1fe | René Nussbaumer | """Returns the ndparams for this node.
|
557 | 8572f1fe | René Nussbaumer |
|
558 | 8572f1fe | René Nussbaumer | @type ctx: L{NodeQueryData}
|
559 | 8572f1fe | René Nussbaumer | @type node: L{objects.Node}
|
560 | 8572f1fe | René Nussbaumer | @param node: Node object
|
561 | 8572f1fe | René Nussbaumer | @type ng: L{objects.NodeGroup}
|
562 | 8572f1fe | René Nussbaumer | @param ng: The node group this node belongs to
|
563 | 8572f1fe | René Nussbaumer |
|
564 | 8572f1fe | René Nussbaumer | """
|
565 | e2d188cc | Iustin Pop | return ctx.cluster.SimpleFillND(ng.FillND(node))
|
566 | 8572f1fe | René Nussbaumer | |
567 | 8572f1fe | René Nussbaumer | |
568 | a6070ef7 | Michael Hanselmann | def _GetLiveNodeField(field, kind, ctx, node): |
569 | 8235fe04 | Michael Hanselmann | """Gets the value of a "live" field from L{NodeQueryData}.
|
570 | 8235fe04 | Michael Hanselmann |
|
571 | 8235fe04 | Michael Hanselmann | @param field: Live field name
|
572 | 8235fe04 | Michael Hanselmann | @param kind: Data kind, one of L{constants.QFT_ALL}
|
573 | 8235fe04 | Michael Hanselmann | @type ctx: L{NodeQueryData}
|
574 | a6070ef7 | Michael Hanselmann | @type node: L{objects.Node}
|
575 | a6070ef7 | Michael Hanselmann | @param node: Node object
|
576 | 8235fe04 | Michael Hanselmann |
|
577 | 8235fe04 | Michael Hanselmann | """
|
578 | a6070ef7 | Michael Hanselmann | if node.offline:
|
579 | e2d188cc | Iustin Pop | return _FS_OFFLINE
|
580 | a6070ef7 | Michael Hanselmann | |
581 | effab4ca | Iustin Pop | if not node.vm_capable: |
582 | effab4ca | Iustin Pop | return _FS_UNAVAIL
|
583 | effab4ca | Iustin Pop | |
584 | 8235fe04 | Michael Hanselmann | if not ctx.curlive_data: |
585 | e2d188cc | Iustin Pop | return _FS_NODATA
|
586 | 8235fe04 | Michael Hanselmann | |
587 | 8235fe04 | Michael Hanselmann | try:
|
588 | 8235fe04 | Michael Hanselmann | value = ctx.curlive_data[field] |
589 | 8235fe04 | Michael Hanselmann | except KeyError: |
590 | e2d188cc | Iustin Pop | return _FS_UNAVAIL
|
591 | 8235fe04 | Michael Hanselmann | |
592 | 82599b3e | Iustin Pop | if kind == QFT_TEXT:
|
593 | e2d188cc | Iustin Pop | return value
|
594 | 8235fe04 | Michael Hanselmann | |
595 | 82599b3e | Iustin Pop | assert kind in (QFT_NUMBER, QFT_UNIT) |
596 | 8235fe04 | Michael Hanselmann | |
597 | 8235fe04 | Michael Hanselmann | # Try to convert into number
|
598 | 8235fe04 | Michael Hanselmann | try:
|
599 | e2d188cc | Iustin Pop | return int(value) |
600 | 8235fe04 | Michael Hanselmann | except (ValueError, TypeError): |
601 | 8235fe04 | Michael Hanselmann | logging.exception("Failed to convert node field '%s' (value %r) to int",
|
602 | 8235fe04 | Michael Hanselmann | value, field) |
603 | e2d188cc | Iustin Pop | return _FS_UNAVAIL
|
604 | 8235fe04 | Michael Hanselmann | |
605 | 8235fe04 | Michael Hanselmann | |
606 | 8235fe04 | Michael Hanselmann | def _BuildNodeFields(): |
607 | 8235fe04 | Michael Hanselmann | """Builds list of fields for node queries.
|
608 | 8235fe04 | Michael Hanselmann |
|
609 | 8235fe04 | Michael Hanselmann | """
|
610 | 8235fe04 | Michael Hanselmann | fields = [ |
611 | 82599b3e | Iustin Pop | (_MakeField("pip", "PrimaryIP", QFT_TEXT), NQ_CONFIG, |
612 | e2d188cc | Iustin Pop | _GetItemAttr("primary_ip")),
|
613 | 82599b3e | Iustin Pop | (_MakeField("sip", "SecondaryIP", QFT_TEXT), NQ_CONFIG, |
614 | e2d188cc | Iustin Pop | _GetItemAttr("secondary_ip")),
|
615 | 82599b3e | Iustin Pop | (_MakeField("tags", "Tags", QFT_OTHER), NQ_CONFIG, |
616 | e2d188cc | Iustin Pop | lambda ctx, node: list(node.GetTags())), |
617 | 82599b3e | Iustin Pop | (_MakeField("master", "IsMaster", QFT_BOOL), NQ_CONFIG, |
618 | e2d188cc | Iustin Pop | lambda ctx, node: node.name == ctx.master_name),
|
619 | 82599b3e | Iustin Pop | (_MakeField("role", "Role", QFT_TEXT), NQ_CONFIG, |
620 | e2d188cc | Iustin Pop | lambda ctx, node: _GetNodeRole(node, ctx.master_name)),
|
621 | 82599b3e | Iustin Pop | (_MakeField("group", "Group", QFT_TEXT), NQ_GROUP, |
622 | 8572f1fe | René Nussbaumer | _GetGroup(_GetNodeGroup)), |
623 | 82599b3e | Iustin Pop | (_MakeField("group.uuid", "GroupUUID", QFT_TEXT), |
624 | e2d188cc | Iustin Pop | NQ_CONFIG, _GetItemAttr("group")),
|
625 | 82599b3e | Iustin Pop | (_MakeField("powered", "Powered", QFT_BOOL), NQ_OOB, _GetNodePower), |
626 | 82599b3e | Iustin Pop | (_MakeField("ndparams", "NodeParameters", QFT_OTHER), NQ_GROUP, |
627 | 8572f1fe | René Nussbaumer | _GetGroup(_GetNdParams)), |
628 | 82599b3e | Iustin Pop | (_MakeField("custom_ndparams", "CustomNodeParameters", QFT_OTHER), |
629 | e2d188cc | Iustin Pop | NQ_GROUP, _GetItemAttr("ndparams")),
|
630 | 8235fe04 | Michael Hanselmann | ] |
631 | 8235fe04 | Michael Hanselmann | |
632 | 8235fe04 | Michael Hanselmann | def _GetLength(getter): |
633 | e2d188cc | Iustin Pop | return lambda ctx, node: len(getter(ctx)[node.name]) |
634 | 8235fe04 | Michael Hanselmann | |
635 | 8235fe04 | Michael Hanselmann | def _GetList(getter): |
636 | e2d188cc | Iustin Pop | return lambda ctx, node: list(getter(ctx)[node.name]) |
637 | 8235fe04 | Michael Hanselmann | |
638 | 8235fe04 | Michael Hanselmann | # Add fields operating on instance lists
|
639 | 8235fe04 | Michael Hanselmann | for prefix, titleprefix, getter in \ |
640 | 8235fe04 | Michael Hanselmann | [("p", "Pri", operator.attrgetter("node_to_primary")), |
641 | 8235fe04 | Michael Hanselmann | ("s", "Sec", operator.attrgetter("node_to_secondary"))]: |
642 | 8235fe04 | Michael Hanselmann | fields.extend([ |
643 | 82599b3e | Iustin Pop | (_MakeField("%sinst_cnt" % prefix, "%sinst" % prefix.upper(), QFT_NUMBER), |
644 | 8235fe04 | Michael Hanselmann | NQ_INST, _GetLength(getter)), |
645 | 8235fe04 | Michael Hanselmann | (_MakeField("%sinst_list" % prefix, "%sInstances" % titleprefix, |
646 | 82599b3e | Iustin Pop | QFT_OTHER), |
647 | 8235fe04 | Michael Hanselmann | NQ_INST, _GetList(getter)), |
648 | 8235fe04 | Michael Hanselmann | ]) |
649 | 8235fe04 | Michael Hanselmann | |
650 | 8235fe04 | Michael Hanselmann | # Add simple fields
|
651 | 8235fe04 | Michael Hanselmann | fields.extend([(_MakeField(name, title, kind), NQ_CONFIG, _GetItemAttr(name)) |
652 | 8235fe04 | Michael Hanselmann | for (name, (title, kind)) in _NODE_SIMPLE_FIELDS.items()]) |
653 | 8235fe04 | Michael Hanselmann | |
654 | 8235fe04 | Michael Hanselmann | # Add fields requiring live data
|
655 | 8235fe04 | Michael Hanselmann | fields.extend([ |
656 | 8235fe04 | Michael Hanselmann | (_MakeField(name, title, kind), NQ_LIVE, |
657 | 8235fe04 | Michael Hanselmann | compat.partial(_GetLiveNodeField, nfield, kind)) |
658 | 8235fe04 | Michael Hanselmann | for (name, (title, kind, nfield)) in _NODE_LIVE_FIELDS.items() |
659 | 8235fe04 | Michael Hanselmann | ]) |
660 | 8235fe04 | Michael Hanselmann | |
661 | 145bea54 | Michael Hanselmann | # Add timestamps
|
662 | 145bea54 | Michael Hanselmann | fields.extend(_GetItemTimestampFields(NQ_CONFIG)) |
663 | 145bea54 | Michael Hanselmann | |
664 | d63bd540 | Iustin Pop | return _PrepareFieldList(fields, [])
|
665 | 8235fe04 | Michael Hanselmann | |
666 | 8235fe04 | Michael Hanselmann | |
667 | 1c8addc6 | Michael Hanselmann | class InstanceQueryData: |
668 | 1c8addc6 | Michael Hanselmann | """Data container for instance data queries.
|
669 | 1c8addc6 | Michael Hanselmann |
|
670 | 1c8addc6 | Michael Hanselmann | """
|
671 | 1c8addc6 | Michael Hanselmann | def __init__(self, instances, cluster, disk_usage, offline_nodes, bad_nodes, |
672 | 5d28cb6f | Michael Hanselmann | live_data, wrongnode_inst, console): |
673 | 1c8addc6 | Michael Hanselmann | """Initializes this class.
|
674 | 1c8addc6 | Michael Hanselmann |
|
675 | 1c8addc6 | Michael Hanselmann | @param instances: List of instance objects
|
676 | 1c8addc6 | Michael Hanselmann | @param cluster: Cluster object
|
677 | 1c8addc6 | Michael Hanselmann | @type disk_usage: dict; instance name as key
|
678 | 1c8addc6 | Michael Hanselmann | @param disk_usage: Per-instance disk usage
|
679 | 1c8addc6 | Michael Hanselmann | @type offline_nodes: list of strings
|
680 | 1c8addc6 | Michael Hanselmann | @param offline_nodes: List of offline nodes
|
681 | 1c8addc6 | Michael Hanselmann | @type bad_nodes: list of strings
|
682 | 1c8addc6 | Michael Hanselmann | @param bad_nodes: List of faulty nodes
|
683 | 1c8addc6 | Michael Hanselmann | @type live_data: dict; instance name as key
|
684 | 1c8addc6 | Michael Hanselmann | @param live_data: Per-instance live data
|
685 | e431074f | René Nussbaumer | @type wrongnode_inst: set
|
686 | e431074f | René Nussbaumer | @param wrongnode_inst: Set of instances running on wrong node(s)
|
687 | 5d28cb6f | Michael Hanselmann | @type console: dict; instance name as key
|
688 | 5d28cb6f | Michael Hanselmann | @param console: Per-instance console information
|
689 | 1c8addc6 | Michael Hanselmann |
|
690 | 1c8addc6 | Michael Hanselmann | """
|
691 | 1c8addc6 | Michael Hanselmann | assert len(set(bad_nodes) & set(offline_nodes)) == len(offline_nodes), \ |
692 | 1c8addc6 | Michael Hanselmann | "Offline nodes not included in bad nodes"
|
693 | 1c8addc6 | Michael Hanselmann | assert not (set(live_data.keys()) & set(bad_nodes)), \ |
694 | 1c8addc6 | Michael Hanselmann | "Found live data for bad or offline nodes"
|
695 | 1c8addc6 | Michael Hanselmann | |
696 | 1c8addc6 | Michael Hanselmann | self.instances = instances
|
697 | 1c8addc6 | Michael Hanselmann | self.cluster = cluster
|
698 | 1c8addc6 | Michael Hanselmann | self.disk_usage = disk_usage
|
699 | 1c8addc6 | Michael Hanselmann | self.offline_nodes = offline_nodes
|
700 | 1c8addc6 | Michael Hanselmann | self.bad_nodes = bad_nodes
|
701 | 1c8addc6 | Michael Hanselmann | self.live_data = live_data
|
702 | e431074f | René Nussbaumer | self.wrongnode_inst = wrongnode_inst
|
703 | 5d28cb6f | Michael Hanselmann | self.console = console
|
704 | 1c8addc6 | Michael Hanselmann | |
705 | 1c8addc6 | Michael Hanselmann | # Used for individual rows
|
706 | 1c8addc6 | Michael Hanselmann | self.inst_hvparams = None |
707 | 1c8addc6 | Michael Hanselmann | self.inst_beparams = None |
708 | 1c8addc6 | Michael Hanselmann | self.inst_nicparams = None |
709 | 1c8addc6 | Michael Hanselmann | |
710 | 1c8addc6 | Michael Hanselmann | def __iter__(self): |
711 | 1c8addc6 | Michael Hanselmann | """Iterate over all instances.
|
712 | 1c8addc6 | Michael Hanselmann |
|
713 | 1c8addc6 | Michael Hanselmann | This function has side-effects and only one instance of the resulting
|
714 | 1c8addc6 | Michael Hanselmann | generator should be used at a time.
|
715 | 1c8addc6 | Michael Hanselmann |
|
716 | 1c8addc6 | Michael Hanselmann | """
|
717 | 1c8addc6 | Michael Hanselmann | for inst in self.instances: |
718 | 1c8addc6 | Michael Hanselmann | self.inst_hvparams = self.cluster.FillHV(inst, skip_globals=True) |
719 | 1c8addc6 | Michael Hanselmann | self.inst_beparams = self.cluster.FillBE(inst) |
720 | 1c8addc6 | Michael Hanselmann | self.inst_nicparams = [self.cluster.SimpleFillNIC(nic.nicparams) |
721 | 1c8addc6 | Michael Hanselmann | for nic in inst.nics] |
722 | 1c8addc6 | Michael Hanselmann | |
723 | 1c8addc6 | Michael Hanselmann | yield inst
|
724 | 1c8addc6 | Michael Hanselmann | |
725 | 1c8addc6 | Michael Hanselmann | |
726 | 1c8addc6 | Michael Hanselmann | def _GetInstOperState(ctx, inst): |
727 | 1c8addc6 | Michael Hanselmann | """Get instance's operational status.
|
728 | 1c8addc6 | Michael Hanselmann |
|
729 | 1c8addc6 | Michael Hanselmann | @type ctx: L{InstanceQueryData}
|
730 | 1c8addc6 | Michael Hanselmann | @type inst: L{objects.Instance}
|
731 | 1c8addc6 | Michael Hanselmann | @param inst: Instance object
|
732 | 1c8addc6 | Michael Hanselmann |
|
733 | 1c8addc6 | Michael Hanselmann | """
|
734 | cfb084ae | René Nussbaumer | # Can't use RS_OFFLINE here as it would describe the instance to
|
735 | e2d188cc | Iustin Pop | # be offline when we actually don't know due to missing data
|
736 | 1c8addc6 | Michael Hanselmann | if inst.primary_node in ctx.bad_nodes: |
737 | e2d188cc | Iustin Pop | return _FS_NODATA
|
738 | 1c8addc6 | Michael Hanselmann | else:
|
739 | e2d188cc | Iustin Pop | return bool(ctx.live_data.get(inst.name)) |
740 | 1c8addc6 | Michael Hanselmann | |
741 | 1c8addc6 | Michael Hanselmann | |
742 | 1c8addc6 | Michael Hanselmann | def _GetInstLiveData(name): |
743 | 1c8addc6 | Michael Hanselmann | """Build function for retrieving live data.
|
744 | 1c8addc6 | Michael Hanselmann |
|
745 | 1c8addc6 | Michael Hanselmann | @type name: string
|
746 | 1c8addc6 | Michael Hanselmann | @param name: Live data field name
|
747 | 1c8addc6 | Michael Hanselmann |
|
748 | 1c8addc6 | Michael Hanselmann | """
|
749 | 1c8addc6 | Michael Hanselmann | def fn(ctx, inst): |
750 | 1c8addc6 | Michael Hanselmann | """Get live data for an instance.
|
751 | 1c8addc6 | Michael Hanselmann |
|
752 | 1c8addc6 | Michael Hanselmann | @type ctx: L{InstanceQueryData}
|
753 | 1c8addc6 | Michael Hanselmann | @type inst: L{objects.Instance}
|
754 | 1c8addc6 | Michael Hanselmann | @param inst: Instance object
|
755 | 1c8addc6 | Michael Hanselmann |
|
756 | 1c8addc6 | Michael Hanselmann | """
|
757 | 1c8addc6 | Michael Hanselmann | if (inst.primary_node in ctx.bad_nodes or |
758 | 1c8addc6 | Michael Hanselmann | inst.primary_node in ctx.offline_nodes):
|
759 | cfb084ae | René Nussbaumer | # Can't use RS_OFFLINE here as it would describe the instance to be
|
760 | a6070ef7 | Michael Hanselmann | # offline when we actually don't know due to missing data
|
761 | e2d188cc | Iustin Pop | return _FS_NODATA
|
762 | 1c8addc6 | Michael Hanselmann | |
763 | 1c8addc6 | Michael Hanselmann | if inst.name in ctx.live_data: |
764 | 1c8addc6 | Michael Hanselmann | data = ctx.live_data[inst.name] |
765 | 1c8addc6 | Michael Hanselmann | if name in data: |
766 | e2d188cc | Iustin Pop | return data[name]
|
767 | 1c8addc6 | Michael Hanselmann | |
768 | e2d188cc | Iustin Pop | return _FS_UNAVAIL
|
769 | 1c8addc6 | Michael Hanselmann | |
770 | 1c8addc6 | Michael Hanselmann | return fn
|
771 | 1c8addc6 | Michael Hanselmann | |
772 | 1c8addc6 | Michael Hanselmann | |
773 | 1c8addc6 | Michael Hanselmann | def _GetInstStatus(ctx, inst): |
774 | 1c8addc6 | Michael Hanselmann | """Get instance status.
|
775 | 1c8addc6 | Michael Hanselmann |
|
776 | 1c8addc6 | Michael Hanselmann | @type ctx: L{InstanceQueryData}
|
777 | 1c8addc6 | Michael Hanselmann | @type inst: L{objects.Instance}
|
778 | 1c8addc6 | Michael Hanselmann | @param inst: Instance object
|
779 | 1c8addc6 | Michael Hanselmann |
|
780 | 1c8addc6 | Michael Hanselmann | """
|
781 | 1c8addc6 | Michael Hanselmann | if inst.primary_node in ctx.offline_nodes: |
782 | e2d188cc | Iustin Pop | return "ERROR_nodeoffline" |
783 | 1c8addc6 | Michael Hanselmann | |
784 | 1c8addc6 | Michael Hanselmann | if inst.primary_node in ctx.bad_nodes: |
785 | e2d188cc | Iustin Pop | return "ERROR_nodedown" |
786 | 1c8addc6 | Michael Hanselmann | |
787 | 1c8addc6 | Michael Hanselmann | if bool(ctx.live_data.get(inst.name)): |
788 | e431074f | René Nussbaumer | if inst.name in ctx.wrongnode_inst: |
789 | e431074f | René Nussbaumer | return "ERROR_wrongnode" |
790 | e431074f | René Nussbaumer | elif inst.admin_up:
|
791 | e2d188cc | Iustin Pop | return "running" |
792 | 1c8addc6 | Michael Hanselmann | else:
|
793 | e2d188cc | Iustin Pop | return "ERROR_up" |
794 | 1c8addc6 | Michael Hanselmann | |
795 | 1c8addc6 | Michael Hanselmann | if inst.admin_up:
|
796 | e2d188cc | Iustin Pop | return "ERROR_down" |
797 | 1c8addc6 | Michael Hanselmann | |
798 | e2d188cc | Iustin Pop | return "ADMIN_down" |
799 | 1c8addc6 | Michael Hanselmann | |
800 | 1c8addc6 | Michael Hanselmann | |
801 | 1c8addc6 | Michael Hanselmann | def _GetInstDiskSize(index): |
802 | 1c8addc6 | Michael Hanselmann | """Build function for retrieving disk size.
|
803 | 1c8addc6 | Michael Hanselmann |
|
804 | 1c8addc6 | Michael Hanselmann | @type index: int
|
805 | 1c8addc6 | Michael Hanselmann | @param index: Disk index
|
806 | 1c8addc6 | Michael Hanselmann |
|
807 | 1c8addc6 | Michael Hanselmann | """
|
808 | 1c8addc6 | Michael Hanselmann | def fn(_, inst): |
809 | 1c8addc6 | Michael Hanselmann | """Get size of a disk.
|
810 | 1c8addc6 | Michael Hanselmann |
|
811 | 1c8addc6 | Michael Hanselmann | @type inst: L{objects.Instance}
|
812 | 1c8addc6 | Michael Hanselmann | @param inst: Instance object
|
813 | 1c8addc6 | Michael Hanselmann |
|
814 | 1c8addc6 | Michael Hanselmann | """
|
815 | 1c8addc6 | Michael Hanselmann | try:
|
816 | e2d188cc | Iustin Pop | return inst.disks[index].size
|
817 | 1c8addc6 | Michael Hanselmann | except IndexError: |
818 | e2d188cc | Iustin Pop | return _FS_UNAVAIL
|
819 | 1c8addc6 | Michael Hanselmann | |
820 | 1c8addc6 | Michael Hanselmann | return fn
|
821 | 1c8addc6 | Michael Hanselmann | |
822 | 1c8addc6 | Michael Hanselmann | |
823 | 1c8addc6 | Michael Hanselmann | def _GetInstNic(index, cb): |
824 | 1c8addc6 | Michael Hanselmann | """Build function for calling another function with an instance NIC.
|
825 | 1c8addc6 | Michael Hanselmann |
|
826 | 1c8addc6 | Michael Hanselmann | @type index: int
|
827 | 1c8addc6 | Michael Hanselmann | @param index: NIC index
|
828 | 1c8addc6 | Michael Hanselmann | @type cb: callable
|
829 | 1c8addc6 | Michael Hanselmann | @param cb: Callback
|
830 | 1c8addc6 | Michael Hanselmann |
|
831 | 1c8addc6 | Michael Hanselmann | """
|
832 | 1c8addc6 | Michael Hanselmann | def fn(ctx, inst): |
833 | 1c8addc6 | Michael Hanselmann | """Call helper function with instance NIC.
|
834 | 1c8addc6 | Michael Hanselmann |
|
835 | 1c8addc6 | Michael Hanselmann | @type ctx: L{InstanceQueryData}
|
836 | 1c8addc6 | Michael Hanselmann | @type inst: L{objects.Instance}
|
837 | 1c8addc6 | Michael Hanselmann | @param inst: Instance object
|
838 | 1c8addc6 | Michael Hanselmann |
|
839 | 1c8addc6 | Michael Hanselmann | """
|
840 | 1c8addc6 | Michael Hanselmann | try:
|
841 | 1c8addc6 | Michael Hanselmann | nic = inst.nics[index] |
842 | 1c8addc6 | Michael Hanselmann | except IndexError: |
843 | e2d188cc | Iustin Pop | return _FS_UNAVAIL
|
844 | 1c8addc6 | Michael Hanselmann | |
845 | 1c8addc6 | Michael Hanselmann | return cb(ctx, index, nic)
|
846 | 1c8addc6 | Michael Hanselmann | |
847 | 1c8addc6 | Michael Hanselmann | return fn
|
848 | 1c8addc6 | Michael Hanselmann | |
849 | 1c8addc6 | Michael Hanselmann | |
850 | 1c8addc6 | Michael Hanselmann | def _GetInstNicIp(ctx, _, nic): # pylint: disable-msg=W0613 |
851 | 1c8addc6 | Michael Hanselmann | """Get a NIC's IP address.
|
852 | 1c8addc6 | Michael Hanselmann |
|
853 | 1c8addc6 | Michael Hanselmann | @type ctx: L{InstanceQueryData}
|
854 | 1c8addc6 | Michael Hanselmann | @type nic: L{objects.NIC}
|
855 | 1c8addc6 | Michael Hanselmann | @param nic: NIC object
|
856 | 1c8addc6 | Michael Hanselmann |
|
857 | 1c8addc6 | Michael Hanselmann | """
|
858 | 1c8addc6 | Michael Hanselmann | if nic.ip is None: |
859 | e2d188cc | Iustin Pop | return _FS_UNAVAIL
|
860 | 1c8addc6 | Michael Hanselmann | else:
|
861 | e2d188cc | Iustin Pop | return nic.ip
|
862 | 1c8addc6 | Michael Hanselmann | |
863 | 1c8addc6 | Michael Hanselmann | |
864 | 1c8addc6 | Michael Hanselmann | def _GetInstNicBridge(ctx, index, _): |
865 | 1c8addc6 | Michael Hanselmann | """Get a NIC's bridge.
|
866 | 1c8addc6 | Michael Hanselmann |
|
867 | 1c8addc6 | Michael Hanselmann | @type ctx: L{InstanceQueryData}
|
868 | 1c8addc6 | Michael Hanselmann | @type index: int
|
869 | 1c8addc6 | Michael Hanselmann | @param index: NIC index
|
870 | 1c8addc6 | Michael Hanselmann |
|
871 | 1c8addc6 | Michael Hanselmann | """
|
872 | 1c8addc6 | Michael Hanselmann | assert len(ctx.inst_nicparams) >= index |
873 | 1c8addc6 | Michael Hanselmann | |
874 | 1c8addc6 | Michael Hanselmann | nicparams = ctx.inst_nicparams[index] |
875 | 1c8addc6 | Michael Hanselmann | |
876 | 1c8addc6 | Michael Hanselmann | if nicparams[constants.NIC_MODE] == constants.NIC_MODE_BRIDGED:
|
877 | e2d188cc | Iustin Pop | return nicparams[constants.NIC_LINK]
|
878 | 1c8addc6 | Michael Hanselmann | else:
|
879 | e2d188cc | Iustin Pop | return _FS_UNAVAIL
|
880 | 1c8addc6 | Michael Hanselmann | |
881 | 1c8addc6 | Michael Hanselmann | |
882 | 1c8addc6 | Michael Hanselmann | def _GetInstAllNicBridges(ctx, inst): |
883 | 1c8addc6 | Michael Hanselmann | """Get all network bridges for an instance.
|
884 | 1c8addc6 | Michael Hanselmann |
|
885 | 1c8addc6 | Michael Hanselmann | @type ctx: L{InstanceQueryData}
|
886 | 1c8addc6 | Michael Hanselmann | @type inst: L{objects.Instance}
|
887 | 1c8addc6 | Michael Hanselmann | @param inst: Instance object
|
888 | 1c8addc6 | Michael Hanselmann |
|
889 | 1c8addc6 | Michael Hanselmann | """
|
890 | 1c8addc6 | Michael Hanselmann | assert len(ctx.inst_nicparams) == len(inst.nics) |
891 | 1c8addc6 | Michael Hanselmann | |
892 | 1c8addc6 | Michael Hanselmann | result = [] |
893 | 1c8addc6 | Michael Hanselmann | |
894 | 1c8addc6 | Michael Hanselmann | for nicp in ctx.inst_nicparams: |
895 | 1c8addc6 | Michael Hanselmann | if nicp[constants.NIC_MODE] == constants.NIC_MODE_BRIDGED:
|
896 | 1c8addc6 | Michael Hanselmann | result.append(nicp[constants.NIC_LINK]) |
897 | 1c8addc6 | Michael Hanselmann | else:
|
898 | 1c8addc6 | Michael Hanselmann | result.append(None)
|
899 | 1c8addc6 | Michael Hanselmann | |
900 | 1c8addc6 | Michael Hanselmann | assert len(result) == len(inst.nics) |
901 | 1c8addc6 | Michael Hanselmann | |
902 | e2d188cc | Iustin Pop | return result
|
903 | 1c8addc6 | Michael Hanselmann | |
904 | 1c8addc6 | Michael Hanselmann | |
905 | 1c8addc6 | Michael Hanselmann | def _GetInstNicParam(name): |
906 | 1c8addc6 | Michael Hanselmann | """Build function for retrieving a NIC parameter.
|
907 | 1c8addc6 | Michael Hanselmann |
|
908 | 1c8addc6 | Michael Hanselmann | @type name: string
|
909 | 1c8addc6 | Michael Hanselmann | @param name: Parameter name
|
910 | 1c8addc6 | Michael Hanselmann |
|
911 | 1c8addc6 | Michael Hanselmann | """
|
912 | 1c8addc6 | Michael Hanselmann | def fn(ctx, index, _): |
913 | 1c8addc6 | Michael Hanselmann | """Get a NIC's bridge.
|
914 | 1c8addc6 | Michael Hanselmann |
|
915 | 1c8addc6 | Michael Hanselmann | @type ctx: L{InstanceQueryData}
|
916 | 1c8addc6 | Michael Hanselmann | @type inst: L{objects.Instance}
|
917 | 1c8addc6 | Michael Hanselmann | @param inst: Instance object
|
918 | 1c8addc6 | Michael Hanselmann | @type nic: L{objects.NIC}
|
919 | 1c8addc6 | Michael Hanselmann | @param nic: NIC object
|
920 | 1c8addc6 | Michael Hanselmann |
|
921 | 1c8addc6 | Michael Hanselmann | """
|
922 | 1c8addc6 | Michael Hanselmann | assert len(ctx.inst_nicparams) >= index |
923 | e2d188cc | Iustin Pop | return ctx.inst_nicparams[index][name]
|
924 | 1c8addc6 | Michael Hanselmann | |
925 | 1c8addc6 | Michael Hanselmann | return fn
|
926 | 1c8addc6 | Michael Hanselmann | |
927 | 1c8addc6 | Michael Hanselmann | |
928 | 1c8addc6 | Michael Hanselmann | def _GetInstanceNetworkFields(): |
929 | 1c8addc6 | Michael Hanselmann | """Get instance fields involving network interfaces.
|
930 | 1c8addc6 | Michael Hanselmann |
|
931 | 1c8addc6 | Michael Hanselmann | @return: List of field definitions used as input for L{_PrepareFieldList}
|
932 | 1c8addc6 | Michael Hanselmann |
|
933 | 1c8addc6 | Michael Hanselmann | """
|
934 | e2d188cc | Iustin Pop | nic_mac_fn = lambda ctx, _, nic: nic.mac
|
935 | 1c8addc6 | Michael Hanselmann | nic_mode_fn = _GetInstNicParam(constants.NIC_MODE) |
936 | 1c8addc6 | Michael Hanselmann | nic_link_fn = _GetInstNicParam(constants.NIC_LINK) |
937 | 1c8addc6 | Michael Hanselmann | |
938 | 1c8addc6 | Michael Hanselmann | fields = [ |
939 | 1c8addc6 | Michael Hanselmann | # First NIC (legacy)
|
940 | 82599b3e | Iustin Pop | (_MakeField("ip", "IP_address", QFT_TEXT), IQ_CONFIG, |
941 | 1c8addc6 | Michael Hanselmann | _GetInstNic(0, _GetInstNicIp)),
|
942 | 82599b3e | Iustin Pop | (_MakeField("mac", "MAC_address", QFT_TEXT), IQ_CONFIG, |
943 | 1c8addc6 | Michael Hanselmann | _GetInstNic(0, nic_mac_fn)),
|
944 | 82599b3e | Iustin Pop | (_MakeField("bridge", "Bridge", QFT_TEXT), IQ_CONFIG, |
945 | 1c8addc6 | Michael Hanselmann | _GetInstNic(0, _GetInstNicBridge)),
|
946 | 82599b3e | Iustin Pop | (_MakeField("nic_mode", "NIC_Mode", QFT_TEXT), IQ_CONFIG, |
947 | 1c8addc6 | Michael Hanselmann | _GetInstNic(0, nic_mode_fn)),
|
948 | 82599b3e | Iustin Pop | (_MakeField("nic_link", "NIC_Link", QFT_TEXT), IQ_CONFIG, |
949 | 1c8addc6 | Michael Hanselmann | _GetInstNic(0, nic_link_fn)),
|
950 | 1c8addc6 | Michael Hanselmann | |
951 | 1c8addc6 | Michael Hanselmann | # All NICs
|
952 | 82599b3e | Iustin Pop | (_MakeField("nic.count", "NICs", QFT_NUMBER), IQ_CONFIG, |
953 | e2d188cc | Iustin Pop | lambda ctx, inst: len(inst.nics)), |
954 | 82599b3e | Iustin Pop | (_MakeField("nic.macs", "NIC_MACs", QFT_OTHER), IQ_CONFIG, |
955 | e2d188cc | Iustin Pop | lambda ctx, inst: [nic.mac for nic in inst.nics]), |
956 | 82599b3e | Iustin Pop | (_MakeField("nic.ips", "NIC_IPs", QFT_OTHER), IQ_CONFIG, |
957 | e2d188cc | Iustin Pop | lambda ctx, inst: [nic.ip for nic in inst.nics]), |
958 | 82599b3e | Iustin Pop | (_MakeField("nic.modes", "NIC_modes", QFT_OTHER), IQ_CONFIG, |
959 | e2d188cc | Iustin Pop | lambda ctx, inst: [nicp[constants.NIC_MODE]
|
960 | e2d188cc | Iustin Pop | for nicp in ctx.inst_nicparams]), |
961 | 82599b3e | Iustin Pop | (_MakeField("nic.links", "NIC_links", QFT_OTHER), IQ_CONFIG, |
962 | e2d188cc | Iustin Pop | lambda ctx, inst: [nicp[constants.NIC_LINK]
|
963 | e2d188cc | Iustin Pop | for nicp in ctx.inst_nicparams]), |
964 | 82599b3e | Iustin Pop | (_MakeField("nic.bridges", "NIC_bridges", QFT_OTHER), IQ_CONFIG, |
965 | 1c8addc6 | Michael Hanselmann | _GetInstAllNicBridges), |
966 | 1c8addc6 | Michael Hanselmann | ] |
967 | 1c8addc6 | Michael Hanselmann | |
968 | 1c8addc6 | Michael Hanselmann | # NICs by number
|
969 | 1c8addc6 | Michael Hanselmann | for i in range(constants.MAX_NICS): |
970 | 1c8addc6 | Michael Hanselmann | fields.extend([ |
971 | 82599b3e | Iustin Pop | (_MakeField("nic.ip/%s" % i, "NicIP/%s" % i, QFT_TEXT), |
972 | 1c8addc6 | Michael Hanselmann | IQ_CONFIG, _GetInstNic(i, _GetInstNicIp)), |
973 | 82599b3e | Iustin Pop | (_MakeField("nic.mac/%s" % i, "NicMAC/%s" % i, QFT_TEXT), |
974 | 1c8addc6 | Michael Hanselmann | IQ_CONFIG, _GetInstNic(i, nic_mac_fn)), |
975 | 82599b3e | Iustin Pop | (_MakeField("nic.mode/%s" % i, "NicMode/%s" % i, QFT_TEXT), |
976 | 1c8addc6 | Michael Hanselmann | IQ_CONFIG, _GetInstNic(i, nic_mode_fn)), |
977 | 82599b3e | Iustin Pop | (_MakeField("nic.link/%s" % i, "NicLink/%s" % i, QFT_TEXT), |
978 | 1c8addc6 | Michael Hanselmann | IQ_CONFIG, _GetInstNic(i, nic_link_fn)), |
979 | 82599b3e | Iustin Pop | (_MakeField("nic.bridge/%s" % i, "NicBridge/%s" % i, QFT_TEXT), |
980 | 1c8addc6 | Michael Hanselmann | IQ_CONFIG, _GetInstNic(i, _GetInstNicBridge)), |
981 | 1c8addc6 | Michael Hanselmann | ]) |
982 | 1c8addc6 | Michael Hanselmann | |
983 | 1c8addc6 | Michael Hanselmann | return fields
|
984 | 1c8addc6 | Michael Hanselmann | |
985 | 1c8addc6 | Michael Hanselmann | |
986 | 1c8addc6 | Michael Hanselmann | def _GetInstDiskUsage(ctx, inst): |
987 | 1c8addc6 | Michael Hanselmann | """Get disk usage for an instance.
|
988 | 1c8addc6 | Michael Hanselmann |
|
989 | 1c8addc6 | Michael Hanselmann | @type ctx: L{InstanceQueryData}
|
990 | 1c8addc6 | Michael Hanselmann | @type inst: L{objects.Instance}
|
991 | 1c8addc6 | Michael Hanselmann | @param inst: Instance object
|
992 | 1c8addc6 | Michael Hanselmann |
|
993 | 1c8addc6 | Michael Hanselmann | """
|
994 | 1c8addc6 | Michael Hanselmann | usage = ctx.disk_usage[inst.name] |
995 | 1c8addc6 | Michael Hanselmann | |
996 | 1c8addc6 | Michael Hanselmann | if usage is None: |
997 | 1c8addc6 | Michael Hanselmann | usage = 0
|
998 | 1c8addc6 | Michael Hanselmann | |
999 | e2d188cc | Iustin Pop | return usage
|
1000 | 1c8addc6 | Michael Hanselmann | |
1001 | 1c8addc6 | Michael Hanselmann | |
1002 | 5d28cb6f | Michael Hanselmann | def _GetInstanceConsole(ctx, inst): |
1003 | 5d28cb6f | Michael Hanselmann | """Get console information for instance.
|
1004 | 5d28cb6f | Michael Hanselmann |
|
1005 | 5d28cb6f | Michael Hanselmann | @type ctx: L{InstanceQueryData}
|
1006 | 5d28cb6f | Michael Hanselmann | @type inst: L{objects.Instance}
|
1007 | 5d28cb6f | Michael Hanselmann | @param inst: Instance object
|
1008 | 5d28cb6f | Michael Hanselmann |
|
1009 | 5d28cb6f | Michael Hanselmann | """
|
1010 | 5d28cb6f | Michael Hanselmann | consinfo = ctx.console[inst.name] |
1011 | 5d28cb6f | Michael Hanselmann | |
1012 | 5d28cb6f | Michael Hanselmann | if consinfo is None: |
1013 | 5d28cb6f | Michael Hanselmann | return _FS_UNAVAIL
|
1014 | 5d28cb6f | Michael Hanselmann | |
1015 | 5d28cb6f | Michael Hanselmann | return consinfo
|
1016 | 5d28cb6f | Michael Hanselmann | |
1017 | 5d28cb6f | Michael Hanselmann | |
1018 | 1c8addc6 | Michael Hanselmann | def _GetInstanceDiskFields(): |
1019 | 1c8addc6 | Michael Hanselmann | """Get instance fields involving disks.
|
1020 | 1c8addc6 | Michael Hanselmann |
|
1021 | 1c8addc6 | Michael Hanselmann | @return: List of field definitions used as input for L{_PrepareFieldList}
|
1022 | 1c8addc6 | Michael Hanselmann |
|
1023 | 1c8addc6 | Michael Hanselmann | """
|
1024 | 1c8addc6 | Michael Hanselmann | fields = [ |
1025 | 82599b3e | Iustin Pop | (_MakeField("disk_usage", "DiskUsage", QFT_UNIT), IQ_DISKUSAGE, |
1026 | 1c8addc6 | Michael Hanselmann | _GetInstDiskUsage), |
1027 | 82599b3e | Iustin Pop | (_MakeField("disk.count", "Disks", QFT_NUMBER), IQ_CONFIG, |
1028 | e2d188cc | Iustin Pop | lambda ctx, inst: len(inst.disks)), |
1029 | 82599b3e | Iustin Pop | (_MakeField("disk.sizes", "Disk_sizes", QFT_OTHER), IQ_CONFIG, |
1030 | e2d188cc | Iustin Pop | lambda ctx, inst: [disk.size for disk in inst.disks]), |
1031 | 1c8addc6 | Michael Hanselmann | ] |
1032 | 1c8addc6 | Michael Hanselmann | |
1033 | 1c8addc6 | Michael Hanselmann | # Disks by number
|
1034 | 1c8addc6 | Michael Hanselmann | fields.extend([ |
1035 | 82599b3e | Iustin Pop | (_MakeField("disk.size/%s" % i, "Disk/%s" % i, QFT_UNIT), |
1036 | 1c8addc6 | Michael Hanselmann | IQ_CONFIG, _GetInstDiskSize(i)) |
1037 | 1c8addc6 | Michael Hanselmann | for i in range(constants.MAX_DISKS) |
1038 | 1c8addc6 | Michael Hanselmann | ]) |
1039 | 1c8addc6 | Michael Hanselmann | |
1040 | 1c8addc6 | Michael Hanselmann | return fields
|
1041 | 1c8addc6 | Michael Hanselmann | |
1042 | 1c8addc6 | Michael Hanselmann | |
1043 | 1c8addc6 | Michael Hanselmann | def _GetInstanceParameterFields(): |
1044 | 1c8addc6 | Michael Hanselmann | """Get instance fields involving parameters.
|
1045 | 1c8addc6 | Michael Hanselmann |
|
1046 | 1c8addc6 | Michael Hanselmann | @return: List of field definitions used as input for L{_PrepareFieldList}
|
1047 | 1c8addc6 | Michael Hanselmann |
|
1048 | 1c8addc6 | Michael Hanselmann | """
|
1049 | 1c8addc6 | Michael Hanselmann | # TODO: Consider moving titles closer to constants
|
1050 | 1c8addc6 | Michael Hanselmann | be_title = { |
1051 | 1c8addc6 | Michael Hanselmann | constants.BE_AUTO_BALANCE: "Auto_balance",
|
1052 | 0ca7e384 | Iustin Pop | constants.BE_MEMORY: "ConfigMemory",
|
1053 | 0ca7e384 | Iustin Pop | constants.BE_VCPUS: "ConfigVCPUs",
|
1054 | 1c8addc6 | Michael Hanselmann | } |
1055 | 1c8addc6 | Michael Hanselmann | |
1056 | 1c8addc6 | Michael Hanselmann | hv_title = { |
1057 | 1c8addc6 | Michael Hanselmann | constants.HV_ACPI: "ACPI",
|
1058 | 1c8addc6 | Michael Hanselmann | constants.HV_BOOT_ORDER: "Boot_order",
|
1059 | 1c8addc6 | Michael Hanselmann | constants.HV_CDROM_IMAGE_PATH: "CDROM_image_path",
|
1060 | 1c8addc6 | Michael Hanselmann | constants.HV_DISK_TYPE: "Disk_type",
|
1061 | 1c8addc6 | Michael Hanselmann | constants.HV_INITRD_PATH: "Initrd_path",
|
1062 | 1c8addc6 | Michael Hanselmann | constants.HV_KERNEL_PATH: "Kernel_path",
|
1063 | 1c8addc6 | Michael Hanselmann | constants.HV_NIC_TYPE: "NIC_type",
|
1064 | 1c8addc6 | Michael Hanselmann | constants.HV_PAE: "PAE",
|
1065 | 1c8addc6 | Michael Hanselmann | constants.HV_VNC_BIND_ADDRESS: "VNC_bind_address",
|
1066 | 1c8addc6 | Michael Hanselmann | } |
1067 | 1c8addc6 | Michael Hanselmann | |
1068 | 1c8addc6 | Michael Hanselmann | fields = [ |
1069 | 1c8addc6 | Michael Hanselmann | # Filled parameters
|
1070 | 82599b3e | Iustin Pop | (_MakeField("hvparams", "HypervisorParameters", QFT_OTHER), |
1071 | e2d188cc | Iustin Pop | IQ_CONFIG, lambda ctx, _: ctx.inst_hvparams),
|
1072 | 82599b3e | Iustin Pop | (_MakeField("beparams", "BackendParameters", QFT_OTHER), |
1073 | e2d188cc | Iustin Pop | IQ_CONFIG, lambda ctx, _: ctx.inst_beparams),
|
1074 | 1c8addc6 | Michael Hanselmann | |
1075 | 1c8addc6 | Michael Hanselmann | # Unfilled parameters
|
1076 | 82599b3e | Iustin Pop | (_MakeField("custom_hvparams", "CustomHypervisorParameters", QFT_OTHER), |
1077 | e2d188cc | Iustin Pop | IQ_CONFIG, _GetItemAttr("hvparams")),
|
1078 | 82599b3e | Iustin Pop | (_MakeField("custom_beparams", "CustomBackendParameters", QFT_OTHER), |
1079 | e2d188cc | Iustin Pop | IQ_CONFIG, _GetItemAttr("beparams")),
|
1080 | 82599b3e | Iustin Pop | (_MakeField("custom_nicparams", "CustomNicParameters", QFT_OTHER), |
1081 | e2d188cc | Iustin Pop | IQ_CONFIG, lambda ctx, inst: [nic.nicparams for nic in inst.nics]), |
1082 | 1c8addc6 | Michael Hanselmann | ] |
1083 | 1c8addc6 | Michael Hanselmann | |
1084 | 1c8addc6 | Michael Hanselmann | # HV params
|
1085 | 1c8addc6 | Michael Hanselmann | def _GetInstHvParam(name): |
1086 | ff4cd4d2 | Iustin Pop | return lambda ctx, _: ctx.inst_hvparams.get(name, _FS_UNAVAIL) |
1087 | 1c8addc6 | Michael Hanselmann | |
1088 | 1c8addc6 | Michael Hanselmann | fields.extend([ |
1089 | af58707c | Iustin Pop | (_MakeField("hv/%s" % name, hv_title.get(name, "hv/%s" % name), |
1090 | af58707c | Iustin Pop | _VTToQFT[kind]), |
1091 | 1c8addc6 | Michael Hanselmann | IQ_CONFIG, _GetInstHvParam(name)) |
1092 | af58707c | Iustin Pop | for name, kind in constants.HVS_PARAMETER_TYPES.items() |
1093 | 1c8addc6 | Michael Hanselmann | if name not in constants.HVC_GLOBALS |
1094 | 1c8addc6 | Michael Hanselmann | ]) |
1095 | 1c8addc6 | Michael Hanselmann | |
1096 | 1c8addc6 | Michael Hanselmann | # BE params
|
1097 | 1c8addc6 | Michael Hanselmann | def _GetInstBeParam(name): |
1098 | e2d188cc | Iustin Pop | return lambda ctx, _: ctx.inst_beparams.get(name, None) |
1099 | 1c8addc6 | Michael Hanselmann | |
1100 | 1c8addc6 | Michael Hanselmann | fields.extend([ |
1101 | af58707c | Iustin Pop | (_MakeField("be/%s" % name, be_title.get(name, "be/%s" % name), |
1102 | af58707c | Iustin Pop | _VTToQFT[kind]), IQ_CONFIG, |
1103 | af58707c | Iustin Pop | _GetInstBeParam(name)) |
1104 | af58707c | Iustin Pop | for name, kind in constants.BES_PARAMETER_TYPES.items() |
1105 | 1c8addc6 | Michael Hanselmann | ]) |
1106 | 1c8addc6 | Michael Hanselmann | |
1107 | 1c8addc6 | Michael Hanselmann | return fields
|
1108 | 1c8addc6 | Michael Hanselmann | |
1109 | 1c8addc6 | Michael Hanselmann | |
1110 | 1c8addc6 | Michael Hanselmann | _INST_SIMPLE_FIELDS = { |
1111 | 82599b3e | Iustin Pop | "disk_template": ("Disk_template", QFT_TEXT), |
1112 | 82599b3e | Iustin Pop | "hypervisor": ("Hypervisor", QFT_TEXT), |
1113 | f5182ecb | Michael Hanselmann | "name": ("Instance", QFT_TEXT), |
1114 | 1c8addc6 | Michael Hanselmann | # Depending on the hypervisor, the port can be None
|
1115 | 82599b3e | Iustin Pop | "network_port": ("Network_port", QFT_OTHER), |
1116 | 82599b3e | Iustin Pop | "os": ("OS", QFT_TEXT), |
1117 | 82599b3e | Iustin Pop | "serial_no": ("SerialNo", QFT_NUMBER), |
1118 | 82599b3e | Iustin Pop | "uuid": ("UUID", QFT_TEXT), |
1119 | 1c8addc6 | Michael Hanselmann | } |
1120 | 1c8addc6 | Michael Hanselmann | |
1121 | 1c8addc6 | Michael Hanselmann | |
1122 | 1c8addc6 | Michael Hanselmann | def _BuildInstanceFields(): |
1123 | 1c8addc6 | Michael Hanselmann | """Builds list of fields for instance queries.
|
1124 | 1c8addc6 | Michael Hanselmann |
|
1125 | 1c8addc6 | Michael Hanselmann | """
|
1126 | 1c8addc6 | Michael Hanselmann | fields = [ |
1127 | 82599b3e | Iustin Pop | (_MakeField("pnode", "Primary_node", QFT_TEXT), IQ_CONFIG, |
1128 | e2d188cc | Iustin Pop | _GetItemAttr("primary_node")),
|
1129 | 82599b3e | Iustin Pop | (_MakeField("snodes", "Secondary_Nodes", QFT_OTHER), IQ_CONFIG, |
1130 | e2d188cc | Iustin Pop | lambda ctx, inst: list(inst.secondary_nodes)), |
1131 | 82599b3e | Iustin Pop | (_MakeField("admin_state", "Autostart", QFT_BOOL), IQ_CONFIG, |
1132 | e2d188cc | Iustin Pop | _GetItemAttr("admin_up")),
|
1133 | 82599b3e | Iustin Pop | (_MakeField("tags", "Tags", QFT_OTHER), IQ_CONFIG, |
1134 | e2d188cc | Iustin Pop | lambda ctx, inst: list(inst.GetTags())), |
1135 | 5d28cb6f | Michael Hanselmann | (_MakeField("console", "Console", QFT_OTHER), IQ_CONSOLE, |
1136 | 5d28cb6f | Michael Hanselmann | _GetInstanceConsole), |
1137 | 1c8addc6 | Michael Hanselmann | ] |
1138 | 1c8addc6 | Michael Hanselmann | |
1139 | 1c8addc6 | Michael Hanselmann | # Add simple fields
|
1140 | 1c8addc6 | Michael Hanselmann | fields.extend([(_MakeField(name, title, kind), IQ_CONFIG, _GetItemAttr(name)) |
1141 | 1c8addc6 | Michael Hanselmann | for (name, (title, kind)) in _INST_SIMPLE_FIELDS.items()]) |
1142 | 1c8addc6 | Michael Hanselmann | |
1143 | 1c8addc6 | Michael Hanselmann | # Fields requiring talking to the node
|
1144 | 1c8addc6 | Michael Hanselmann | fields.extend([ |
1145 | 82599b3e | Iustin Pop | (_MakeField("oper_state", "Running", QFT_BOOL), IQ_LIVE, |
1146 | 1c8addc6 | Michael Hanselmann | _GetInstOperState), |
1147 | 0ca7e384 | Iustin Pop | (_MakeField("oper_ram", "Memory", QFT_UNIT), IQ_LIVE, |
1148 | 1c8addc6 | Michael Hanselmann | _GetInstLiveData("memory")),
|
1149 | 0ca7e384 | Iustin Pop | (_MakeField("oper_vcpus", "VCPUs", QFT_NUMBER), IQ_LIVE, |
1150 | 1c8addc6 | Michael Hanselmann | _GetInstLiveData("vcpus")),
|
1151 | 82599b3e | Iustin Pop | (_MakeField("status", "Status", QFT_TEXT), IQ_LIVE, _GetInstStatus), |
1152 | 1c8addc6 | Michael Hanselmann | ]) |
1153 | 1c8addc6 | Michael Hanselmann | |
1154 | 1c8addc6 | Michael Hanselmann | fields.extend(_GetInstanceParameterFields()) |
1155 | 1c8addc6 | Michael Hanselmann | fields.extend(_GetInstanceDiskFields()) |
1156 | 1c8addc6 | Michael Hanselmann | fields.extend(_GetInstanceNetworkFields()) |
1157 | 145bea54 | Michael Hanselmann | fields.extend(_GetItemTimestampFields(IQ_CONFIG)) |
1158 | 1c8addc6 | Michael Hanselmann | |
1159 | e7e8037b | Iustin Pop | aliases = [ |
1160 | e7e8037b | Iustin Pop | ("vcpus", "be/vcpus"), |
1161 | e7e8037b | Iustin Pop | ("sda_size", "disk.size/0"), |
1162 | e7e8037b | Iustin Pop | ("sdb_size", "disk.size/1"), |
1163 | e7e8037b | Iustin Pop | ] |
1164 | e7e8037b | Iustin Pop | |
1165 | e7e8037b | Iustin Pop | return _PrepareFieldList(fields, aliases)
|
1166 | 1c8addc6 | Michael Hanselmann | |
1167 | 1c8addc6 | Michael Hanselmann | |
1168 | 24d16f76 | Michael Hanselmann | class LockQueryData: |
1169 | 24d16f76 | Michael Hanselmann | """Data container for lock data queries.
|
1170 | 24d16f76 | Michael Hanselmann |
|
1171 | 24d16f76 | Michael Hanselmann | """
|
1172 | 24d16f76 | Michael Hanselmann | def __init__(self, lockdata): |
1173 | 24d16f76 | Michael Hanselmann | """Initializes this class.
|
1174 | 24d16f76 | Michael Hanselmann |
|
1175 | 24d16f76 | Michael Hanselmann | """
|
1176 | 24d16f76 | Michael Hanselmann | self.lockdata = lockdata
|
1177 | 24d16f76 | Michael Hanselmann | |
1178 | 24d16f76 | Michael Hanselmann | def __iter__(self): |
1179 | 24d16f76 | Michael Hanselmann | """Iterate over all locks.
|
1180 | 24d16f76 | Michael Hanselmann |
|
1181 | 24d16f76 | Michael Hanselmann | """
|
1182 | 24d16f76 | Michael Hanselmann | return iter(self.lockdata) |
1183 | 24d16f76 | Michael Hanselmann | |
1184 | 24d16f76 | Michael Hanselmann | |
1185 | 24d16f76 | Michael Hanselmann | def _GetLockOwners(_, data): |
1186 | 24d16f76 | Michael Hanselmann | """Returns a sorted list of a lock's current owners.
|
1187 | 24d16f76 | Michael Hanselmann |
|
1188 | 24d16f76 | Michael Hanselmann | """
|
1189 | 24d16f76 | Michael Hanselmann | (_, _, owners, _) = data |
1190 | 24d16f76 | Michael Hanselmann | |
1191 | 24d16f76 | Michael Hanselmann | if owners:
|
1192 | 24d16f76 | Michael Hanselmann | owners = utils.NiceSort(owners) |
1193 | 24d16f76 | Michael Hanselmann | |
1194 | e2d188cc | Iustin Pop | return owners
|
1195 | 24d16f76 | Michael Hanselmann | |
1196 | 24d16f76 | Michael Hanselmann | |
1197 | 24d16f76 | Michael Hanselmann | def _GetLockPending(_, data): |
1198 | 24d16f76 | Michael Hanselmann | """Returns a sorted list of a lock's pending acquires.
|
1199 | 24d16f76 | Michael Hanselmann |
|
1200 | 24d16f76 | Michael Hanselmann | """
|
1201 | 24d16f76 | Michael Hanselmann | (_, _, _, pending) = data |
1202 | 24d16f76 | Michael Hanselmann | |
1203 | 24d16f76 | Michael Hanselmann | if pending:
|
1204 | 24d16f76 | Michael Hanselmann | pending = [(mode, utils.NiceSort(names)) |
1205 | 24d16f76 | Michael Hanselmann | for (mode, names) in pending] |
1206 | 24d16f76 | Michael Hanselmann | |
1207 | e2d188cc | Iustin Pop | return pending
|
1208 | 24d16f76 | Michael Hanselmann | |
1209 | 24d16f76 | Michael Hanselmann | |
1210 | 24d16f76 | Michael Hanselmann | def _BuildLockFields(): |
1211 | 24d16f76 | Michael Hanselmann | """Builds list of fields for lock queries.
|
1212 | 24d16f76 | Michael Hanselmann |
|
1213 | 24d16f76 | Michael Hanselmann | """
|
1214 | 24d16f76 | Michael Hanselmann | return _PrepareFieldList([
|
1215 | 82599b3e | Iustin Pop | (_MakeField("name", "Name", QFT_TEXT), None, |
1216 | e2d188cc | Iustin Pop | lambda ctx, (name, mode, owners, pending): name),
|
1217 | 82599b3e | Iustin Pop | (_MakeField("mode", "Mode", QFT_OTHER), LQ_MODE, |
1218 | e2d188cc | Iustin Pop | lambda ctx, (name, mode, owners, pending): mode),
|
1219 | 82599b3e | Iustin Pop | (_MakeField("owner", "Owner", QFT_OTHER), LQ_OWNER, _GetLockOwners), |
1220 | 82599b3e | Iustin Pop | (_MakeField("pending", "Pending", QFT_OTHER), LQ_PENDING, _GetLockPending), |
1221 | d63bd540 | Iustin Pop | ], []) |
1222 | 24d16f76 | Michael Hanselmann | |
1223 | 24d16f76 | Michael Hanselmann | |
1224 | 8e21cfc0 | Adeodato Simo | class GroupQueryData: |
1225 | 8e21cfc0 | Adeodato Simo | """Data container for node group data queries.
|
1226 | 8e21cfc0 | Adeodato Simo |
|
1227 | 8e21cfc0 | Adeodato Simo | """
|
1228 | 8e21cfc0 | Adeodato Simo | def __init__(self, groups, group_to_nodes, group_to_instances): |
1229 | 8e21cfc0 | Adeodato Simo | """Initializes this class.
|
1230 | 8e21cfc0 | Adeodato Simo |
|
1231 | 8e21cfc0 | Adeodato Simo | @param groups: List of node group objects
|
1232 | 8e21cfc0 | Adeodato Simo | @type group_to_nodes: dict; group UUID as key
|
1233 | 8e21cfc0 | Adeodato Simo | @param group_to_nodes: Per-group list of nodes
|
1234 | 8e21cfc0 | Adeodato Simo | @type group_to_instances: dict; group UUID as key
|
1235 | 8e21cfc0 | Adeodato Simo | @param group_to_instances: Per-group list of (primary) instances
|
1236 | 8e21cfc0 | Adeodato Simo |
|
1237 | 8e21cfc0 | Adeodato Simo | """
|
1238 | 8e21cfc0 | Adeodato Simo | self.groups = groups
|
1239 | 8e21cfc0 | Adeodato Simo | self.group_to_nodes = group_to_nodes
|
1240 | 8e21cfc0 | Adeodato Simo | self.group_to_instances = group_to_instances
|
1241 | 8e21cfc0 | Adeodato Simo | |
1242 | 8e21cfc0 | Adeodato Simo | def __iter__(self): |
1243 | 8e21cfc0 | Adeodato Simo | """Iterate over all node groups.
|
1244 | 8e21cfc0 | Adeodato Simo |
|
1245 | 8e21cfc0 | Adeodato Simo | """
|
1246 | 8e21cfc0 | Adeodato Simo | return iter(self.groups) |
1247 | 8e21cfc0 | Adeodato Simo | |
1248 | 8e21cfc0 | Adeodato Simo | |
1249 | 8e21cfc0 | Adeodato Simo | _GROUP_SIMPLE_FIELDS = { |
1250 | 82599b3e | Iustin Pop | "alloc_policy": ("AllocPolicy", QFT_TEXT), |
1251 | 82599b3e | Iustin Pop | "name": ("Group", QFT_TEXT), |
1252 | 82599b3e | Iustin Pop | "serial_no": ("SerialNo", QFT_NUMBER), |
1253 | 82599b3e | Iustin Pop | "uuid": ("UUID", QFT_TEXT), |
1254 | 82599b3e | Iustin Pop | "ndparams": ("NDParams", QFT_OTHER), |
1255 | 8e21cfc0 | Adeodato Simo | } |
1256 | 8e21cfc0 | Adeodato Simo | |
1257 | 8e21cfc0 | Adeodato Simo | |
1258 | 8e21cfc0 | Adeodato Simo | def _BuildGroupFields(): |
1259 | 8e21cfc0 | Adeodato Simo | """Builds list of fields for node group queries.
|
1260 | 8e21cfc0 | Adeodato Simo |
|
1261 | 8e21cfc0 | Adeodato Simo | """
|
1262 | 8e21cfc0 | Adeodato Simo | # Add simple fields
|
1263 | 8e21cfc0 | Adeodato Simo | fields = [(_MakeField(name, title, kind), GQ_CONFIG, _GetItemAttr(name)) |
1264 | 8e21cfc0 | Adeodato Simo | for (name, (title, kind)) in _GROUP_SIMPLE_FIELDS.items()] |
1265 | 8e21cfc0 | Adeodato Simo | |
1266 | 8e21cfc0 | Adeodato Simo | def _GetLength(getter): |
1267 | e2d188cc | Iustin Pop | return lambda ctx, group: len(getter(ctx)[group.uuid]) |
1268 | 8e21cfc0 | Adeodato Simo | |
1269 | 8e21cfc0 | Adeodato Simo | def _GetSortedList(getter): |
1270 | e2d188cc | Iustin Pop | return lambda ctx, group: utils.NiceSort(getter(ctx)[group.uuid]) |
1271 | 8e21cfc0 | Adeodato Simo | |
1272 | 8e21cfc0 | Adeodato Simo | group_to_nodes = operator.attrgetter("group_to_nodes")
|
1273 | 8e21cfc0 | Adeodato Simo | group_to_instances = operator.attrgetter("group_to_instances")
|
1274 | 8e21cfc0 | Adeodato Simo | |
1275 | 8e21cfc0 | Adeodato Simo | # Add fields for nodes
|
1276 | 8e21cfc0 | Adeodato Simo | fields.extend([ |
1277 | 82599b3e | Iustin Pop | (_MakeField("node_cnt", "Nodes", QFT_NUMBER), |
1278 | 8e21cfc0 | Adeodato Simo | GQ_NODE, _GetLength(group_to_nodes)), |
1279 | 82599b3e | Iustin Pop | (_MakeField("node_list", "NodeList", QFT_OTHER), |
1280 | 8e21cfc0 | Adeodato Simo | GQ_NODE, _GetSortedList(group_to_nodes)), |
1281 | 8e21cfc0 | Adeodato Simo | ]) |
1282 | 8e21cfc0 | Adeodato Simo | |
1283 | 8e21cfc0 | Adeodato Simo | # Add fields for instances
|
1284 | 8e21cfc0 | Adeodato Simo | fields.extend([ |
1285 | 82599b3e | Iustin Pop | (_MakeField("pinst_cnt", "Instances", QFT_NUMBER), |
1286 | 8e21cfc0 | Adeodato Simo | GQ_INST, _GetLength(group_to_instances)), |
1287 | 82599b3e | Iustin Pop | (_MakeField("pinst_list", "InstanceList", QFT_OTHER), |
1288 | 8e21cfc0 | Adeodato Simo | GQ_INST, _GetSortedList(group_to_instances)), |
1289 | 8e21cfc0 | Adeodato Simo | ]) |
1290 | 8e21cfc0 | Adeodato Simo | |
1291 | 8e21cfc0 | Adeodato Simo | fields.extend(_GetItemTimestampFields(GQ_CONFIG)) |
1292 | 8e21cfc0 | Adeodato Simo | |
1293 | d63bd540 | Iustin Pop | return _PrepareFieldList(fields, [])
|
1294 | 8e21cfc0 | Adeodato Simo | |
1295 | 8e21cfc0 | Adeodato Simo | |
1296 | 8235fe04 | Michael Hanselmann | #: Fields available for node queries
|
1297 | 8235fe04 | Michael Hanselmann | NODE_FIELDS = _BuildNodeFields() |
1298 | 1c8addc6 | Michael Hanselmann | |
1299 | 1c8addc6 | Michael Hanselmann | #: Fields available for instance queries
|
1300 | 1c8addc6 | Michael Hanselmann | INSTANCE_FIELDS = _BuildInstanceFields() |
1301 | 24d16f76 | Michael Hanselmann | |
1302 | 24d16f76 | Michael Hanselmann | #: Fields available for lock queries
|
1303 | 24d16f76 | Michael Hanselmann | LOCK_FIELDS = _BuildLockFields() |
1304 | e571ee44 | Adeodato Simo | |
1305 | 8e21cfc0 | Adeodato Simo | #: Fields available for node group queries
|
1306 | 8e21cfc0 | Adeodato Simo | GROUP_FIELDS = _BuildGroupFields() |
1307 | 8e21cfc0 | Adeodato Simo | |
1308 | e571ee44 | Adeodato Simo | #: All available field lists
|
1309 | 8e21cfc0 | Adeodato Simo | ALL_FIELD_LISTS = [NODE_FIELDS, INSTANCE_FIELDS, LOCK_FIELDS, GROUP_FIELDS] |