root / lib / client / gnt_group.py @ 3ad56046
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1 | 667dbd6b | Adeodato Simo | #
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2 | 667dbd6b | Adeodato Simo | #
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3 | 667dbd6b | Adeodato Simo | |
4 | f0b1bafe | Iustin Pop | # Copyright (C) 2010, 2011 Google Inc.
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5 | 667dbd6b | Adeodato Simo | #
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6 | 667dbd6b | Adeodato Simo | # This program is free software; you can redistribute it and/or modify
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7 | 667dbd6b | Adeodato Simo | # it under the terms of the GNU General Public License as published by
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8 | 667dbd6b | Adeodato Simo | # the Free Software Foundation; either version 2 of the License, or
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9 | 667dbd6b | Adeodato Simo | # (at your option) any later version.
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10 | 667dbd6b | Adeodato Simo | #
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11 | 667dbd6b | Adeodato Simo | # This program is distributed in the hope that it will be useful, but
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12 | 667dbd6b | Adeodato Simo | # WITHOUT ANY WARRANTY; without even the implied warranty of
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13 | 667dbd6b | Adeodato Simo | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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14 | 667dbd6b | Adeodato Simo | # General Public License for more details.
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15 | 667dbd6b | Adeodato Simo | #
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16 | 667dbd6b | Adeodato Simo | # You should have received a copy of the GNU General Public License
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17 | 667dbd6b | Adeodato Simo | # along with this program; if not, write to the Free Software
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18 | 667dbd6b | Adeodato Simo | # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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19 | 667dbd6b | Adeodato Simo | # 02110-1301, USA.
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20 | 667dbd6b | Adeodato Simo | |
21 | 667dbd6b | Adeodato Simo | """Node group related commands"""
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22 | 667dbd6b | Adeodato Simo | |
23 | b459a848 | Andrea Spadaccini | # pylint: disable=W0401,W0614
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24 | 667dbd6b | Adeodato Simo | # W0401: Wildcard import ganeti.cli
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25 | 667dbd6b | Adeodato Simo | # W0614: Unused import %s from wildcard import (since we need cli)
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26 | 667dbd6b | Adeodato Simo | |
27 | 667dbd6b | Adeodato Simo | from ganeti.cli import * |
28 | ca4ac9c9 | Adeodato Simo | from ganeti import constants |
29 | 66e884e1 | Adeodato Simo | from ganeti import opcodes |
30 | 4edc512c | Adeodato Simo | from ganeti import utils |
31 | 667dbd6b | Adeodato Simo | |
32 | 667dbd6b | Adeodato Simo | |
33 | 667dbd6b | Adeodato Simo | #: default list of fields for L{ListGroups}
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34 | b288b6f3 | René Nussbaumer | _LIST_DEF_FIELDS = ["name", "node_cnt", "pinst_cnt", "alloc_policy", "ndparams"] |
35 | 667dbd6b | Adeodato Simo | |
36 | 667dbd6b | Adeodato Simo | |
37 | 66e884e1 | Adeodato Simo | def AddGroup(opts, args): |
38 | 66e884e1 | Adeodato Simo | """Add a node group to the cluster.
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39 | 66e884e1 | Adeodato Simo |
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40 | 66e884e1 | Adeodato Simo | @param opts: the command line options selected by the user
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41 | 66e884e1 | Adeodato Simo | @type args: list
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42 | 66e884e1 | Adeodato Simo | @param args: a list of length 1 with the name of the group to create
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43 | 66e884e1 | Adeodato Simo | @rtype: int
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44 | 66e884e1 | Adeodato Simo | @return: the desired exit code
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45 | 66e884e1 | Adeodato Simo |
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46 | 66e884e1 | Adeodato Simo | """
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47 | 66e884e1 | Adeodato Simo | (group_name,) = args |
48 | fabf1731 | Iustin Pop | op = opcodes.OpGroupAdd(group_name=group_name, ndparams=opts.ndparams, |
49 | 90e99856 | Adeodato Simo | alloc_policy=opts.alloc_policy) |
50 | 66e884e1 | Adeodato Simo | SubmitOpCode(op, opts=opts) |
51 | 66e884e1 | Adeodato Simo | |
52 | 66e884e1 | Adeodato Simo | |
53 | 919852da | Adeodato Simo | def AssignNodes(opts, args): |
54 | 919852da | Adeodato Simo | """Assign nodes to a group.
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55 | 919852da | Adeodato Simo |
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56 | 919852da | Adeodato Simo | @param opts: the command line options selected by the user
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57 | 919852da | Adeodato Simo | @type args: list
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58 | 919852da | Adeodato Simo | @param args: args[0]: group to assign nodes to; args[1:]: nodes to assign
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59 | 919852da | Adeodato Simo | @rtype: int
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60 | 919852da | Adeodato Simo | @return: the desired exit code
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61 | 919852da | Adeodato Simo |
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62 | 919852da | Adeodato Simo | """
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63 | 919852da | Adeodato Simo | group_name = args[0]
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64 | 919852da | Adeodato Simo | node_names = args[1:]
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65 | 919852da | Adeodato Simo | |
66 | 934704ae | Iustin Pop | op = opcodes.OpGroupAssignNodes(group_name=group_name, nodes=node_names, |
67 | 919852da | Adeodato Simo | force=opts.force) |
68 | 919852da | Adeodato Simo | SubmitOpCode(op, opts=opts) |
69 | 919852da | Adeodato Simo | |
70 | 919852da | Adeodato Simo | |
71 | b288b6f3 | René Nussbaumer | def _FmtDict(data): |
72 | b288b6f3 | René Nussbaumer | """Format dict data into command-line format.
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73 | b288b6f3 | René Nussbaumer |
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74 | b288b6f3 | René Nussbaumer | @param data: The input dict to be formatted
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75 | b288b6f3 | René Nussbaumer | @return: The formatted dict
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76 | b288b6f3 | René Nussbaumer |
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77 | b288b6f3 | René Nussbaumer | """
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78 | b288b6f3 | René Nussbaumer | if not data: |
79 | b288b6f3 | René Nussbaumer | return "(empty)" |
80 | b288b6f3 | René Nussbaumer | |
81 | b288b6f3 | René Nussbaumer | return utils.CommaJoin(["%s=%s" % (key, value) |
82 | b288b6f3 | René Nussbaumer | for key, value in data.items()]) |
83 | b288b6f3 | René Nussbaumer | |
84 | b288b6f3 | René Nussbaumer | |
85 | 667dbd6b | Adeodato Simo | def ListGroups(opts, args): |
86 | 667dbd6b | Adeodato Simo | """List node groups and their properties.
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87 | 667dbd6b | Adeodato Simo |
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88 | 667dbd6b | Adeodato Simo | @param opts: the command line options selected by the user
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89 | 667dbd6b | Adeodato Simo | @type args: list
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90 | 667dbd6b | Adeodato Simo | @param args: groups to list, or empty for all
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91 | 667dbd6b | Adeodato Simo | @rtype: int
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92 | 667dbd6b | Adeodato Simo | @return: the desired exit code
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93 | 667dbd6b | Adeodato Simo |
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94 | 667dbd6b | Adeodato Simo | """
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95 | 667dbd6b | Adeodato Simo | desired_fields = ParseFields(opts.output, _LIST_DEF_FIELDS) |
96 | b288b6f3 | René Nussbaumer | fmtoverride = { |
97 | b288b6f3 | René Nussbaumer | "node_list": (",".join, False), |
98 | b288b6f3 | René Nussbaumer | "pinst_list": (",".join, False), |
99 | b288b6f3 | René Nussbaumer | "ndparams": (_FmtDict, False), |
100 | b288b6f3 | René Nussbaumer | } |
101 | 667dbd6b | Adeodato Simo | |
102 | ca4ac9c9 | Adeodato Simo | return GenericList(constants.QR_GROUP, desired_fields, args, None, |
103 | ca4ac9c9 | Adeodato Simo | opts.separator, not opts.no_headers,
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104 | 1b1a08e8 | Michael Hanselmann | format_override=fmtoverride, verbose=opts.verbose, |
105 | 1b1a08e8 | Michael Hanselmann | force_filter=opts.force_filter) |
106 | 667dbd6b | Adeodato Simo | |
107 | 667dbd6b | Adeodato Simo | |
108 | ca4ac9c9 | Adeodato Simo | def ListGroupFields(opts, args): |
109 | ca4ac9c9 | Adeodato Simo | """List node fields.
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110 | 667dbd6b | Adeodato Simo |
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111 | ca4ac9c9 | Adeodato Simo | @param opts: the command line options selected by the user
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112 | ca4ac9c9 | Adeodato Simo | @type args: list
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113 | ca4ac9c9 | Adeodato Simo | @param args: fields to list, or empty for all
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114 | ca4ac9c9 | Adeodato Simo | @rtype: int
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115 | ca4ac9c9 | Adeodato Simo | @return: the desired exit code
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116 | 667dbd6b | Adeodato Simo |
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117 | ca4ac9c9 | Adeodato Simo | """
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118 | ca4ac9c9 | Adeodato Simo | return GenericListFields(constants.QR_GROUP, args, opts.separator,
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119 | ca4ac9c9 | Adeodato Simo | not opts.no_headers)
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120 | 667dbd6b | Adeodato Simo | |
121 | 667dbd6b | Adeodato Simo | |
122 | 4da7909a | Adeodato Simo | def SetGroupParams(opts, args): |
123 | 4da7909a | Adeodato Simo | """Modifies a node group's parameters.
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124 | 4da7909a | Adeodato Simo |
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125 | fecbc0b6 | Stephen Shirley | @param opts: the command line options selected by the user
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126 | 4da7909a | Adeodato Simo | @type args: list
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127 | 4da7909a | Adeodato Simo | @param args: should contain only one element, the node group name
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128 | 4da7909a | Adeodato Simo |
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129 | 4da7909a | Adeodato Simo | @rtype: int
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130 | 4da7909a | Adeodato Simo | @return: the desired exit code
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131 | 4da7909a | Adeodato Simo |
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132 | 4da7909a | Adeodato Simo | """
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133 | 8e47b5da | Michael Hanselmann | if opts.ndparams is None and opts.alloc_policy is None: |
134 | 4da7909a | Adeodato Simo | ToStderr("Please give at least one of the parameters.")
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135 | 4da7909a | Adeodato Simo | return 1 |
136 | 4da7909a | Adeodato Simo | |
137 | 8e47b5da | Michael Hanselmann | op = opcodes.OpGroupSetParams(group_name=args[0],
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138 | 8e47b5da | Michael Hanselmann | ndparams=opts.ndparams, |
139 | 8e47b5da | Michael Hanselmann | alloc_policy=opts.alloc_policy) |
140 | 4da7909a | Adeodato Simo | result = SubmitOrSend(op, opts) |
141 | 4da7909a | Adeodato Simo | |
142 | 4da7909a | Adeodato Simo | if result:
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143 | 4da7909a | Adeodato Simo | ToStdout("Modified node group %s", args[0]) |
144 | 4da7909a | Adeodato Simo | for param, data in result: |
145 | 4da7909a | Adeodato Simo | ToStdout(" - %-5s -> %s", param, data)
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146 | 4da7909a | Adeodato Simo | |
147 | 4da7909a | Adeodato Simo | return 0 |
148 | 4da7909a | Adeodato Simo | |
149 | 4da7909a | Adeodato Simo | |
150 | 66e884e1 | Adeodato Simo | def RemoveGroup(opts, args): |
151 | 66e884e1 | Adeodato Simo | """Remove a node group from the cluster.
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152 | 66e884e1 | Adeodato Simo |
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153 | 66e884e1 | Adeodato Simo | @param opts: the command line options selected by the user
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154 | 66e884e1 | Adeodato Simo | @type args: list
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155 | 66e884e1 | Adeodato Simo | @param args: a list of length 1 with the name of the group to remove
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156 | 66e884e1 | Adeodato Simo | @rtype: int
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157 | 66e884e1 | Adeodato Simo | @return: the desired exit code
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158 | 66e884e1 | Adeodato Simo |
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159 | 66e884e1 | Adeodato Simo | """
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160 | 66e884e1 | Adeodato Simo | (group_name,) = args |
161 | 4d1baa51 | Iustin Pop | op = opcodes.OpGroupRemove(group_name=group_name) |
162 | 66e884e1 | Adeodato Simo | SubmitOpCode(op, opts=opts) |
163 | 66e884e1 | Adeodato Simo | |
164 | 66e884e1 | Adeodato Simo | |
165 | 66e884e1 | Adeodato Simo | def RenameGroup(opts, args): |
166 | 66e884e1 | Adeodato Simo | """Rename a node group.
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167 | 66e884e1 | Adeodato Simo |
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168 | 66e884e1 | Adeodato Simo | @param opts: the command line options selected by the user
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169 | 66e884e1 | Adeodato Simo | @type args: list
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170 | 66e884e1 | Adeodato Simo | @param args: a list of length 2, [old_name, new_name]
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171 | 66e884e1 | Adeodato Simo | @rtype: int
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172 | 66e884e1 | Adeodato Simo | @return: the desired exit code
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173 | 66e884e1 | Adeodato Simo |
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174 | 66e884e1 | Adeodato Simo | """
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175 | 12da663a | Michael Hanselmann | group_name, new_name = args |
176 | 12da663a | Michael Hanselmann | op = opcodes.OpGroupRename(group_name=group_name, new_name=new_name) |
177 | 66e884e1 | Adeodato Simo | SubmitOpCode(op, opts=opts) |
178 | 66e884e1 | Adeodato Simo | |
179 | 66e884e1 | Adeodato Simo | |
180 | f6eb380d | Michael Hanselmann | def EvacuateGroup(opts, args): |
181 | f6eb380d | Michael Hanselmann | """Evacuate a node group.
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182 | f6eb380d | Michael Hanselmann |
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183 | f6eb380d | Michael Hanselmann | """
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184 | f6eb380d | Michael Hanselmann | (group_name, ) = args |
185 | f6eb380d | Michael Hanselmann | |
186 | f6eb380d | Michael Hanselmann | cl = GetClient() |
187 | f6eb380d | Michael Hanselmann | |
188 | f6eb380d | Michael Hanselmann | op = opcodes.OpGroupEvacuate(group_name=group_name, |
189 | f6eb380d | Michael Hanselmann | iallocator=opts.iallocator, |
190 | f6eb380d | Michael Hanselmann | target_groups=opts.to, |
191 | f6eb380d | Michael Hanselmann | early_release=opts.early_release) |
192 | f6eb380d | Michael Hanselmann | result = SubmitOpCode(op, cl=cl, opts=opts) |
193 | f6eb380d | Michael Hanselmann | |
194 | f6eb380d | Michael Hanselmann | # Keep track of submitted jobs
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195 | f6eb380d | Michael Hanselmann | jex = JobExecutor(cl=cl, opts=opts) |
196 | f6eb380d | Michael Hanselmann | |
197 | f6eb380d | Michael Hanselmann | for (status, job_id) in result[constants.JOB_IDS_KEY]: |
198 | f6eb380d | Michael Hanselmann | jex.AddJobId(None, status, job_id)
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199 | f6eb380d | Michael Hanselmann | |
200 | f6eb380d | Michael Hanselmann | results = jex.GetResults() |
201 | f6eb380d | Michael Hanselmann | bad_cnt = len([row for row in results if not row[0]]) |
202 | f6eb380d | Michael Hanselmann | if bad_cnt == 0: |
203 | f6eb380d | Michael Hanselmann | ToStdout("All instances evacuated successfully.")
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204 | f6eb380d | Michael Hanselmann | rcode = constants.EXIT_SUCCESS |
205 | f6eb380d | Michael Hanselmann | else:
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206 | f6eb380d | Michael Hanselmann | ToStdout("There were %s errors during the evacuation.", bad_cnt)
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207 | f6eb380d | Michael Hanselmann | rcode = constants.EXIT_FAILURE |
208 | f6eb380d | Michael Hanselmann | |
209 | f6eb380d | Michael Hanselmann | return rcode
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210 | f6eb380d | Michael Hanselmann | |
211 | 6e80da8b | Michael Hanselmann | |
212 | 667dbd6b | Adeodato Simo | commands = { |
213 | 66e884e1 | Adeodato Simo | "add": (
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214 | 90e99856 | Adeodato Simo | AddGroup, ARGS_ONE_GROUP, [DRY_RUN_OPT, ALLOC_POLICY_OPT, NODE_PARAMS_OPT], |
215 | 66e884e1 | Adeodato Simo | "<group_name>", "Add a new node group to the cluster"), |
216 | 919852da | Adeodato Simo | "assign-nodes": (
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217 | 919852da | Adeodato Simo | AssignNodes, ARGS_ONE_GROUP + ARGS_MANY_NODES, [DRY_RUN_OPT, FORCE_OPT], |
218 | 919852da | Adeodato Simo | "<group_name> <node>...", "Assign nodes to a group"), |
219 | 667dbd6b | Adeodato Simo | "list": (
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220 | 667dbd6b | Adeodato Simo | ListGroups, ARGS_MANY_GROUPS, |
221 | 1b1a08e8 | Michael Hanselmann | [NOHDR_OPT, SEP_OPT, FIELDS_OPT, VERBOSE_OPT, FORCE_FILTER_OPT], |
222 | 4edc512c | Adeodato Simo | "[<group_name>...]",
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223 | ca4ac9c9 | Adeodato Simo | "Lists the node groups in the cluster. The available fields can be shown"
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224 | ca4ac9c9 | Adeodato Simo | " using the \"list-fields\" command (see the man page for details)."
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225 | ca4ac9c9 | Adeodato Simo | " The default list is (in order): %s." % utils.CommaJoin(_LIST_DEF_FIELDS)),
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226 | ca4ac9c9 | Adeodato Simo | "list-fields": (
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227 | ca4ac9c9 | Adeodato Simo | ListGroupFields, [ArgUnknown()], [NOHDR_OPT, SEP_OPT], "[fields...]",
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228 | ca4ac9c9 | Adeodato Simo | "Lists all available fields for node groups"),
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229 | 4da7909a | Adeodato Simo | "modify": (
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230 | 4da7909a | Adeodato Simo | SetGroupParams, ARGS_ONE_GROUP, |
231 | 90e99856 | Adeodato Simo | [DRY_RUN_OPT, SUBMIT_OPT, ALLOC_POLICY_OPT, NODE_PARAMS_OPT], |
232 | 4da7909a | Adeodato Simo | "<group_name>", "Alters the parameters of a node group"), |
233 | 66e884e1 | Adeodato Simo | "remove": (
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234 | 66e884e1 | Adeodato Simo | RemoveGroup, ARGS_ONE_GROUP, [DRY_RUN_OPT], |
235 | 12da663a | Michael Hanselmann | "[--dry-run] <group-name>",
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236 | 66e884e1 | Adeodato Simo | "Remove an (empty) node group from the cluster"),
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237 | 66e884e1 | Adeodato Simo | "rename": (
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238 | 66e884e1 | Adeodato Simo | RenameGroup, [ArgGroup(min=2, max=2)], [DRY_RUN_OPT], |
239 | 12da663a | Michael Hanselmann | "[--dry-run] <group-name> <new-name>", "Rename a node group"), |
240 | f6eb380d | Michael Hanselmann | "evacuate": (
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241 | f6eb380d | Michael Hanselmann | EvacuateGroup, [ArgGroup(min=1, max=1)], |
242 | f6eb380d | Michael Hanselmann | [TO_GROUP_OPT, IALLOCATOR_OPT, EARLY_RELEASE_OPT], |
243 | 6e80da8b | Michael Hanselmann | "[-I <iallocator>] [--to <group>]",
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244 | 6e80da8b | Michael Hanselmann | "Evacuate all instances within a group"),
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245 | 819cbfe5 | Michael Hanselmann | "list-tags": (
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246 | 819cbfe5 | Michael Hanselmann | ListTags, ARGS_ONE_GROUP, [PRIORITY_OPT], |
247 | 3ad56046 | Iustin Pop | "<group_name>", "List the tags of the given group"), |
248 | 819cbfe5 | Michael Hanselmann | "add-tags": (
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249 | 819cbfe5 | Michael Hanselmann | AddTags, [ArgGroup(min=1, max=1), ArgUnknown()], |
250 | 819cbfe5 | Michael Hanselmann | [TAG_SRC_OPT, PRIORITY_OPT], |
251 | 3ad56046 | Iustin Pop | "<group_name> tag...", "Add tags to the given group"), |
252 | 819cbfe5 | Michael Hanselmann | "remove-tags": (
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253 | 819cbfe5 | Michael Hanselmann | RemoveTags, [ArgGroup(min=1, max=1), ArgUnknown()], |
254 | 819cbfe5 | Michael Hanselmann | [TAG_SRC_OPT, PRIORITY_OPT], |
255 | 3ad56046 | Iustin Pop | "<group_name> tag...", "Remove tags from the given group"), |
256 | 819cbfe5 | Michael Hanselmann | } |
257 | 667dbd6b | Adeodato Simo | |
258 | 667dbd6b | Adeodato Simo | |
259 | 667dbd6b | Adeodato Simo | def Main(): |
260 | 819cbfe5 | Michael Hanselmann | return GenericMain(commands,
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261 | 819cbfe5 | Michael Hanselmann | override={"tag_type": constants.TAG_NODEGROUP}) |