root / lib / hypervisor / hv_fake.py @ 31d3b918
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1 | 65a6f9b7 | Michael Hanselmann | #
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2 | 65a6f9b7 | Michael Hanselmann | #
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3 | 65a6f9b7 | Michael Hanselmann | |
4 | ef14e128 | Bernardo Dal Seno | # Copyright (C) 2006, 2007, 2008, 2013 Google Inc.
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5 | 65a6f9b7 | Michael Hanselmann | #
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6 | 65a6f9b7 | Michael Hanselmann | # This program is free software; you can redistribute it and/or modify
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7 | 65a6f9b7 | Michael Hanselmann | # it under the terms of the GNU General Public License as published by
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8 | 65a6f9b7 | Michael Hanselmann | # the Free Software Foundation; either version 2 of the License, or
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9 | 65a6f9b7 | Michael Hanselmann | # (at your option) any later version.
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10 | 65a6f9b7 | Michael Hanselmann | #
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11 | 65a6f9b7 | Michael Hanselmann | # This program is distributed in the hope that it will be useful, but
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12 | 65a6f9b7 | Michael Hanselmann | # WITHOUT ANY WARRANTY; without even the implied warranty of
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13 | 65a6f9b7 | Michael Hanselmann | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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14 | 65a6f9b7 | Michael Hanselmann | # General Public License for more details.
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15 | 65a6f9b7 | Michael Hanselmann | #
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16 | 65a6f9b7 | Michael Hanselmann | # You should have received a copy of the GNU General Public License
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17 | 65a6f9b7 | Michael Hanselmann | # along with this program; if not, write to the Free Software
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18 | 65a6f9b7 | Michael Hanselmann | # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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19 | 65a6f9b7 | Michael Hanselmann | # 02110-1301, USA.
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20 | 65a6f9b7 | Michael Hanselmann | |
21 | 65a6f9b7 | Michael Hanselmann | |
22 | 65a6f9b7 | Michael Hanselmann | """Fake hypervisor
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23 | 65a6f9b7 | Michael Hanselmann |
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24 | 65a6f9b7 | Michael Hanselmann | """
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25 | 65a6f9b7 | Michael Hanselmann | |
26 | 65a6f9b7 | Michael Hanselmann | import os |
27 | 65a6f9b7 | Michael Hanselmann | import os.path |
28 | 94fed7da | Iustin Pop | import logging |
29 | 65a6f9b7 | Michael Hanselmann | |
30 | 65a6f9b7 | Michael Hanselmann | from ganeti import utils |
31 | 65a6f9b7 | Michael Hanselmann | from ganeti import constants |
32 | 65a6f9b7 | Michael Hanselmann | from ganeti import errors |
33 | 55cc0a44 | Michael Hanselmann | from ganeti import objects |
34 | 9d9bded1 | Michael Hanselmann | from ganeti import pathutils |
35 | a2d32034 | Michael Hanselmann | from ganeti.hypervisor import hv_base |
36 | 65a6f9b7 | Michael Hanselmann | |
37 | 65a6f9b7 | Michael Hanselmann | |
38 | a2d32034 | Michael Hanselmann | class FakeHypervisor(hv_base.BaseHypervisor): |
39 | 65a6f9b7 | Michael Hanselmann | """Fake hypervisor interface.
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40 | 65a6f9b7 | Michael Hanselmann |
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41 | 65a6f9b7 | Michael Hanselmann | This can be used for testing the ganeti code without having to have
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42 | 65a6f9b7 | Michael Hanselmann | a real virtualisation software installed.
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43 | 65a6f9b7 | Michael Hanselmann |
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44 | 65a6f9b7 | Michael Hanselmann | """
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45 | d76880d8 | Thomas Thrainer | PARAMETERS = { |
46 | d76880d8 | Thomas Thrainer | constants.HV_MIGRATION_MODE: hv_base.MIGRATION_MODE_CHECK, |
47 | d76880d8 | Thomas Thrainer | } |
48 | d76880d8 | Thomas Thrainer | |
49 | d271c6fd | Iustin Pop | CAN_MIGRATE = True
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50 | d271c6fd | Iustin Pop | |
51 | 9d9bded1 | Michael Hanselmann | _ROOT_DIR = pathutils.RUN_DIR + "/fake-hypervisor"
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52 | 65a6f9b7 | Michael Hanselmann | |
53 | 65a6f9b7 | Michael Hanselmann | def __init__(self): |
54 | a2d32034 | Michael Hanselmann | hv_base.BaseHypervisor.__init__(self)
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55 | 98c98ab9 | Guido Trotter | utils.EnsureDirs([(self._ROOT_DIR, constants.RUN_DIRS_MODE)])
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56 | 65a6f9b7 | Michael Hanselmann | |
57 | 58e356a9 | Helga Velroyen | def ListInstances(self, hvparams=None): |
58 | 65a6f9b7 | Michael Hanselmann | """Get the list of running instances.
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59 | 65a6f9b7 | Michael Hanselmann |
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60 | 65a6f9b7 | Michael Hanselmann | """
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61 | 65a6f9b7 | Michael Hanselmann | return os.listdir(self._ROOT_DIR) |
62 | 65a6f9b7 | Michael Hanselmann | |
63 | 0bbec3af | Helga Velroyen | def GetInstanceInfo(self, instance_name, hvparams=None): |
64 | 65a6f9b7 | Michael Hanselmann | """Get instance properties.
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65 | 65a6f9b7 | Michael Hanselmann |
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66 | 0bbec3af | Helga Velroyen | @type instance_name: string
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67 | c41eea6e | Iustin Pop | @param instance_name: the instance name
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68 | 0bbec3af | Helga Velroyen | @type hvparams: dict of strings
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69 | 0bbec3af | Helga Velroyen | @param hvparams: hvparams to be used with this instance
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70 | c41eea6e | Iustin Pop |
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71 | c41eea6e | Iustin Pop | @return: tuple of (name, id, memory, vcpus, stat, times)
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72 | 65a6f9b7 | Michael Hanselmann |
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73 | 65a6f9b7 | Michael Hanselmann | """
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74 | 3b80eb2c | Iustin Pop | file_name = self._InstanceFile(instance_name)
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75 | 65a6f9b7 | Michael Hanselmann | if not os.path.exists(file_name): |
76 | 65a6f9b7 | Michael Hanselmann | return None |
77 | 65a6f9b7 | Michael Hanselmann | try:
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78 | bfc30ec0 | Iustin Pop | fh = open(file_name, "r") |
79 | 65a6f9b7 | Michael Hanselmann | try:
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80 | 65a6f9b7 | Michael Hanselmann | inst_id = fh.readline().strip() |
81 | bfc30ec0 | Iustin Pop | memory = utils.TryConvert(int, fh.readline().strip())
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82 | 4c4b5058 | Iustin Pop | vcpus = utils.TryConvert(int, fh.readline().strip())
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83 | a3f0f306 | Jose A. Lopes | stat = hv_base.HvInstanceState.RUNNING |
84 | 3fe7d670 | Hrvoje Ribicic | times = 0
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85 | 65a6f9b7 | Michael Hanselmann | return (instance_name, inst_id, memory, vcpus, stat, times)
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86 | 65a6f9b7 | Michael Hanselmann | finally:
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87 | 65a6f9b7 | Michael Hanselmann | fh.close() |
88 | 65a6f9b7 | Michael Hanselmann | except IOError, err: |
89 | 65a6f9b7 | Michael Hanselmann | raise errors.HypervisorError("Failed to list instance %s: %s" % |
90 | 65a6f9b7 | Michael Hanselmann | (instance_name, err)) |
91 | 65a6f9b7 | Michael Hanselmann | |
92 | 0200a1af | Helga Velroyen | def GetAllInstancesInfo(self, hvparams=None): |
93 | 65a6f9b7 | Michael Hanselmann | """Get properties of all instances.
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94 | 65a6f9b7 | Michael Hanselmann |
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95 | 0200a1af | Helga Velroyen | @type hvparams: dict of strings
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96 | 0200a1af | Helga Velroyen | @param hvparams: hypervisor parameter
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97 | c41eea6e | Iustin Pop | @return: list of tuples (name, id, memory, vcpus, stat, times)
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98 | c41eea6e | Iustin Pop |
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99 | 65a6f9b7 | Michael Hanselmann | """
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100 | 65a6f9b7 | Michael Hanselmann | data = [] |
101 | 65a6f9b7 | Michael Hanselmann | for file_name in os.listdir(self._ROOT_DIR): |
102 | 65a6f9b7 | Michael Hanselmann | try:
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103 | 3b80eb2c | Iustin Pop | fh = open(utils.PathJoin(self._ROOT_DIR, file_name), "r") |
104 | 65a6f9b7 | Michael Hanselmann | inst_id = "-1"
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105 | bfc30ec0 | Iustin Pop | memory = 0
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106 | bfc30ec0 | Iustin Pop | vcpus = 1
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107 | a3f0f306 | Jose A. Lopes | stat = hv_base.HvInstanceState.SHUTDOWN |
108 | 3fe7d670 | Hrvoje Ribicic | times = -1
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109 | 65a6f9b7 | Michael Hanselmann | try:
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110 | 65a6f9b7 | Michael Hanselmann | inst_id = fh.readline().strip() |
111 | bfc30ec0 | Iustin Pop | memory = utils.TryConvert(int, fh.readline().strip())
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112 | bfc30ec0 | Iustin Pop | vcpus = utils.TryConvert(int, fh.readline().strip())
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113 | a3f0f306 | Jose A. Lopes | stat = hv_base.HvInstanceState.RUNNING |
114 | 3fe7d670 | Hrvoje Ribicic | times = 0
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115 | 65a6f9b7 | Michael Hanselmann | finally:
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116 | 65a6f9b7 | Michael Hanselmann | fh.close() |
117 | 65a6f9b7 | Michael Hanselmann | data.append((file_name, inst_id, memory, vcpus, stat, times)) |
118 | 65a6f9b7 | Michael Hanselmann | except IOError, err: |
119 | 65a6f9b7 | Michael Hanselmann | raise errors.HypervisorError("Failed to list instances: %s" % err) |
120 | 65a6f9b7 | Michael Hanselmann | return data
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121 | 65a6f9b7 | Michael Hanselmann | |
122 | 3b80eb2c | Iustin Pop | @classmethod
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123 | 3b80eb2c | Iustin Pop | def _InstanceFile(cls, instance_name): |
124 | 94fed7da | Iustin Pop | """Compute the instance file for an instance name.
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125 | 94fed7da | Iustin Pop |
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126 | 94fed7da | Iustin Pop | """
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127 | 3b80eb2c | Iustin Pop | return utils.PathJoin(cls._ROOT_DIR, instance_name)
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128 | 94fed7da | Iustin Pop | |
129 | 94fed7da | Iustin Pop | def _IsAlive(self, instance_name): |
130 | 94fed7da | Iustin Pop | """Checks if an instance is alive.
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131 | 94fed7da | Iustin Pop |
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132 | 94fed7da | Iustin Pop | """
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133 | 94fed7da | Iustin Pop | file_name = self._InstanceFile(instance_name)
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134 | 94fed7da | Iustin Pop | return os.path.exists(file_name)
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135 | 94fed7da | Iustin Pop | |
136 | cfb5f9da | Guido Trotter | def _MarkUp(self, instance, memory): |
137 | 94fed7da | Iustin Pop | """Mark the instance as running.
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138 | 94fed7da | Iustin Pop |
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139 | 94fed7da | Iustin Pop | This does no checks, which should be done by its callers.
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140 | 94fed7da | Iustin Pop |
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141 | 94fed7da | Iustin Pop | """
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142 | 94fed7da | Iustin Pop | file_name = self._InstanceFile(instance.name)
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143 | 94fed7da | Iustin Pop | fh = file(file_name, "w") |
144 | 94fed7da | Iustin Pop | try:
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145 | 94fed7da | Iustin Pop | fh.write("0\n%d\n%d\n" %
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146 | cfb5f9da | Guido Trotter | (memory, |
147 | 94fed7da | Iustin Pop | instance.beparams[constants.BE_VCPUS])) |
148 | 94fed7da | Iustin Pop | finally:
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149 | 94fed7da | Iustin Pop | fh.close() |
150 | 94fed7da | Iustin Pop | |
151 | bbcf7ad0 | Iustin Pop | def _MarkDown(self, instance_name): |
152 | 94fed7da | Iustin Pop | """Mark the instance as running.
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153 | 94fed7da | Iustin Pop |
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154 | 94fed7da | Iustin Pop | This does no checks, which should be done by its callers.
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155 | 94fed7da | Iustin Pop |
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156 | 94fed7da | Iustin Pop | """
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157 | bbcf7ad0 | Iustin Pop | file_name = self._InstanceFile(instance_name)
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158 | 94fed7da | Iustin Pop | utils.RemoveFile(file_name) |
159 | 94fed7da | Iustin Pop | |
160 | 323f9095 | Stephen Shirley | def StartInstance(self, instance, block_devices, startup_paused): |
161 | 65a6f9b7 | Michael Hanselmann | """Start an instance.
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162 | 65a6f9b7 | Michael Hanselmann |
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163 | 65a6f9b7 | Michael Hanselmann | For the fake hypervisor, it just creates a file in the base dir,
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164 | 65a6f9b7 | Michael Hanselmann | creating an exception if it already exists. We don't actually
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165 | 65a6f9b7 | Michael Hanselmann | handle race conditions properly, since these are *FAKE* instances.
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166 | 65a6f9b7 | Michael Hanselmann |
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167 | 65a6f9b7 | Michael Hanselmann | """
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168 | 94fed7da | Iustin Pop | if self._IsAlive(instance.name): |
169 | 65a6f9b7 | Michael Hanselmann | raise errors.HypervisorError("Failed to start instance %s: %s" % |
170 | 65a6f9b7 | Michael Hanselmann | (instance.name, "already running"))
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171 | 65a6f9b7 | Michael Hanselmann | try:
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172 | 61eb1a46 | Guido Trotter | self._MarkUp(instance, self._InstanceStartupMemory(instance)) |
173 | 65a6f9b7 | Michael Hanselmann | except IOError, err: |
174 | 65a6f9b7 | Michael Hanselmann | raise errors.HypervisorError("Failed to start instance %s: %s" % |
175 | 65a6f9b7 | Michael Hanselmann | (instance.name, err)) |
176 | 65a6f9b7 | Michael Hanselmann | |
177 | bbcf7ad0 | Iustin Pop | def StopInstance(self, instance, force=False, retry=False, name=None): |
178 | 65a6f9b7 | Michael Hanselmann | """Stop an instance.
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179 | 65a6f9b7 | Michael Hanselmann |
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180 | 65a6f9b7 | Michael Hanselmann | For the fake hypervisor, this just removes the file in the base
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181 | 65a6f9b7 | Michael Hanselmann | dir, if it exist, otherwise we raise an exception.
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182 | 65a6f9b7 | Michael Hanselmann |
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183 | 65a6f9b7 | Michael Hanselmann | """
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184 | bbcf7ad0 | Iustin Pop | if name is None: |
185 | bbcf7ad0 | Iustin Pop | name = instance.name |
186 | bbcf7ad0 | Iustin Pop | if not self._IsAlive(name): |
187 | 65a6f9b7 | Michael Hanselmann | raise errors.HypervisorError("Failed to stop instance %s: %s" % |
188 | bbcf7ad0 | Iustin Pop | (name, "not running"))
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189 | bbcf7ad0 | Iustin Pop | self._MarkDown(name)
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190 | 65a6f9b7 | Michael Hanselmann | |
191 | 65a6f9b7 | Michael Hanselmann | def RebootInstance(self, instance): |
192 | 65a6f9b7 | Michael Hanselmann | """Reboot an instance.
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193 | 65a6f9b7 | Michael Hanselmann |
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194 | 65a6f9b7 | Michael Hanselmann | For the fake hypervisor, this does nothing.
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195 | 65a6f9b7 | Michael Hanselmann |
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196 | 65a6f9b7 | Michael Hanselmann | """
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197 | 65a6f9b7 | Michael Hanselmann | return
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198 | 65a6f9b7 | Michael Hanselmann | |
199 | cfb5f9da | Guido Trotter | def BalloonInstanceMemory(self, instance, mem): |
200 | cfb5f9da | Guido Trotter | """Balloon an instance memory to a certain value.
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201 | cfb5f9da | Guido Trotter |
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202 | cfb5f9da | Guido Trotter | @type instance: L{objects.Instance}
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203 | cfb5f9da | Guido Trotter | @param instance: instance to be accepted
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204 | cfb5f9da | Guido Trotter | @type mem: int
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205 | cfb5f9da | Guido Trotter | @param mem: actual memory size to use for instance runtime
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206 | cfb5f9da | Guido Trotter |
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207 | cfb5f9da | Guido Trotter | """
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208 | cfb5f9da | Guido Trotter | if not self._IsAlive(instance.name): |
209 | cfb5f9da | Guido Trotter | raise errors.HypervisorError("Failed to balloon memory for %s: %s" % |
210 | cfb5f9da | Guido Trotter | (instance.name, "not running"))
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211 | cfb5f9da | Guido Trotter | try:
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212 | cfb5f9da | Guido Trotter | self._MarkUp(instance, mem)
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213 | cfb5f9da | Guido Trotter | except EnvironmentError, err: |
214 | cfb5f9da | Guido Trotter | raise errors.HypervisorError("Failed to balloon memory for %s: %s" % |
215 | cfb5f9da | Guido Trotter | (instance.name, utils.ErrnoOrStr(err))) |
216 | cfb5f9da | Guido Trotter | |
217 | fac489a5 | Helga Velroyen | def GetNodeInfo(self, hvparams=None): |
218 | 65a6f9b7 | Michael Hanselmann | """Return information about the node.
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219 | 65a6f9b7 | Michael Hanselmann |
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220 | ef14e128 | Bernardo Dal Seno | See L{BaseHypervisor.GetLinuxNodeInfo}.
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221 | 65a6f9b7 | Michael Hanselmann |
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222 | 65a6f9b7 | Michael Hanselmann | """
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223 | 572e52bf | Iustin Pop | result = self.GetLinuxNodeInfo()
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224 | bfc30ec0 | Iustin Pop | # substract running instances
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225 | bfc30ec0 | Iustin Pop | all_instances = self.GetAllInstancesInfo()
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226 | d0c8c01d | Iustin Pop | result["memory_free"] -= min(result["memory_free"], |
227 | bfc30ec0 | Iustin Pop | sum([row[2] for row in all_instances])) |
228 | 65a6f9b7 | Michael Hanselmann | return result
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229 | 65a6f9b7 | Michael Hanselmann | |
230 | 637ce7f9 | Guido Trotter | @classmethod
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231 | c42be2c0 | Petr Pudlak | def GetInstanceConsole(cls, instance, primary_node, node_group, |
232 | c42be2c0 | Petr Pudlak | hvparams, beparams): |
233 | 55cc0a44 | Michael Hanselmann | """Return information for connecting to the console of an instance.
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234 | 65a6f9b7 | Michael Hanselmann |
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235 | 65a6f9b7 | Michael Hanselmann | """
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236 | 55cc0a44 | Michael Hanselmann | return objects.InstanceConsole(instance=instance.name,
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237 | 55cc0a44 | Michael Hanselmann | kind=constants.CONS_MESSAGE, |
238 | 55cc0a44 | Michael Hanselmann | message=("Console not available for fake"
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239 | 55cc0a44 | Michael Hanselmann | " hypervisor"))
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240 | 65a6f9b7 | Michael Hanselmann | |
241 | 75bf3149 | Helga Velroyen | def Verify(self, hvparams=None): |
242 | 65a6f9b7 | Michael Hanselmann | """Verify the hypervisor.
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243 | 65a6f9b7 | Michael Hanselmann |
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244 | 65a6f9b7 | Michael Hanselmann | For the fake hypervisor, it just checks the existence of the base
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245 | 65a6f9b7 | Michael Hanselmann | dir.
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246 | 65a6f9b7 | Michael Hanselmann |
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247 | 75bf3149 | Helga Velroyen | @type hvparams: dict of strings
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248 | 75bf3149 | Helga Velroyen | @param hvparams: hypervisor parameters to be verified against; not used
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249 | 75bf3149 | Helga Velroyen | for fake hypervisors
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250 | 75bf3149 | Helga Velroyen |
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251 | cd04dfd2 | Michael Hanselmann | @return: Problem description if something is wrong, C{None} otherwise
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252 | cd04dfd2 | Michael Hanselmann |
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253 | 65a6f9b7 | Michael Hanselmann | """
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254 | cd04dfd2 | Michael Hanselmann | if os.path.exists(self._ROOT_DIR): |
255 | cd04dfd2 | Michael Hanselmann | return None |
256 | cd04dfd2 | Michael Hanselmann | else:
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257 | cd04dfd2 | Michael Hanselmann | return "The required directory '%s' does not exist" % self._ROOT_DIR |
258 | f5118ade | Iustin Pop | |
259 | f5118ade | Iustin Pop | @classmethod
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260 | 8ef418bb | Helga Velroyen | def PowercycleNode(cls, hvparams=None): |
261 | f5118ade | Iustin Pop | """Fake hypervisor powercycle, just a wrapper over Linux powercycle.
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262 | f5118ade | Iustin Pop |
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263 | 8ef418bb | Helga Velroyen | @type hvparams: dict of strings
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264 | 8ef418bb | Helga Velroyen | @param hvparams: hypervisor params to be used on this node
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265 | 8ef418bb | Helga Velroyen |
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266 | f5118ade | Iustin Pop | """
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267 | f5118ade | Iustin Pop | cls.LinuxPowercycle() |
268 | 94fed7da | Iustin Pop | |
269 | 94fed7da | Iustin Pop | def AcceptInstance(self, instance, info, target): |
270 | 94fed7da | Iustin Pop | """Prepare to accept an instance.
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271 | 94fed7da | Iustin Pop |
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272 | 94fed7da | Iustin Pop | @type instance: L{objects.Instance}
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273 | 94fed7da | Iustin Pop | @param instance: instance to be accepted
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274 | 94fed7da | Iustin Pop | @type info: string
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275 | 94fed7da | Iustin Pop | @param info: instance info, not used
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276 | 94fed7da | Iustin Pop | @type target: string
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277 | 94fed7da | Iustin Pop | @param target: target host (usually ip), on this node
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278 | 94fed7da | Iustin Pop |
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279 | 94fed7da | Iustin Pop | """
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280 | 94fed7da | Iustin Pop | if self._IsAlive(instance.name): |
281 | 94fed7da | Iustin Pop | raise errors.HypervisorError("Can't accept instance, already running") |
282 | 94fed7da | Iustin Pop | |
283 | bc0a2284 | Helga Velroyen | def MigrateInstance(self, cluster_name, instance, target, live): |
284 | 94fed7da | Iustin Pop | """Migrate an instance.
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285 | 94fed7da | Iustin Pop |
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286 | bc0a2284 | Helga Velroyen | @type cluster_name: string
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287 | bc0a2284 | Helga Velroyen | @param cluster_name: name of the cluster
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288 | 3a488770 | Iustin Pop | @type instance: L{objects.Instance}
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289 | 94fed7da | Iustin Pop | @param instance: the instance to be migrated
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290 | 94fed7da | Iustin Pop | @type target: string
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291 | 94fed7da | Iustin Pop | @param target: hostname (usually ip) of the target node
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292 | 94fed7da | Iustin Pop | @type live: boolean
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293 | 94fed7da | Iustin Pop | @param live: whether to do a live or non-live migration
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294 | 94fed7da | Iustin Pop |
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295 | 94fed7da | Iustin Pop | """
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296 | 94fed7da | Iustin Pop | logging.debug("Fake hypervisor migrating %s to %s (live=%s)",
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297 | 94fed7da | Iustin Pop | instance, target, live) |
298 | 94fed7da | Iustin Pop | |
299 | 60af751d | Andrea Spadaccini | def FinalizeMigrationDst(self, instance, info, success): |
300 | 60af751d | Andrea Spadaccini | """Finalize the instance migration on the target node.
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301 | 94fed7da | Iustin Pop |
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302 | 94fed7da | Iustin Pop | For the fake hv, this just marks the instance up.
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303 | 94fed7da | Iustin Pop |
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304 | 94fed7da | Iustin Pop | @type instance: L{objects.Instance}
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305 | 94fed7da | Iustin Pop | @param instance: instance whose migration is being finalized
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306 | 60af751d | Andrea Spadaccini | @type info: string/data (opaque)
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307 | 60af751d | Andrea Spadaccini | @param info: migration information, from the source node
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308 | 60af751d | Andrea Spadaccini | @type success: boolean
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309 | 60af751d | Andrea Spadaccini | @param success: whether the migration was a success or a failure
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310 | 94fed7da | Iustin Pop |
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311 | 94fed7da | Iustin Pop | """
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312 | 94fed7da | Iustin Pop | if success:
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313 | 61eb1a46 | Guido Trotter | self._MarkUp(instance, self._InstanceStartupMemory(instance)) |
314 | 94fed7da | Iustin Pop | else:
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315 | 94fed7da | Iustin Pop | # ensure it's down
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316 | bbcf7ad0 | Iustin Pop | self._MarkDown(instance.name)
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317 | 60af751d | Andrea Spadaccini | |
318 | 60af751d | Andrea Spadaccini | def PostMigrationCleanup(self, instance): |
319 | 60af751d | Andrea Spadaccini | """Clean-up after a migration.
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320 | 60af751d | Andrea Spadaccini |
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321 | 60af751d | Andrea Spadaccini | To be executed on the source node.
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322 | 60af751d | Andrea Spadaccini |
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323 | 60af751d | Andrea Spadaccini | @type instance: L{objects.Instance}
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324 | 60af751d | Andrea Spadaccini | @param instance: the instance that was migrated
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325 | 60af751d | Andrea Spadaccini |
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326 | 60af751d | Andrea Spadaccini | """
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327 | 60af751d | Andrea Spadaccini | pass
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328 | 60af751d | Andrea Spadaccini | |
329 | 60af751d | Andrea Spadaccini | def FinalizeMigrationSource(self, instance, success, live): |
330 | 60af751d | Andrea Spadaccini | """Finalize the instance migration on the source node.
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331 | 60af751d | Andrea Spadaccini |
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332 | 60af751d | Andrea Spadaccini | @type instance: L{objects.Instance}
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333 | 60af751d | Andrea Spadaccini | @param instance: the instance that was migrated
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334 | 60af751d | Andrea Spadaccini | @type success: bool
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335 | 60af751d | Andrea Spadaccini | @param success: whether the migration succeeded or not
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336 | 60af751d | Andrea Spadaccini | @type live: bool
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337 | 60af751d | Andrea Spadaccini | @param live: whether the user requested a live migration or not
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338 | 60af751d | Andrea Spadaccini |
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339 | 60af751d | Andrea Spadaccini | """
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340 | 60af751d | Andrea Spadaccini | # pylint: disable=W0613
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341 | 60af751d | Andrea Spadaccini | if success:
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342 | 60af751d | Andrea Spadaccini | self._MarkDown(instance.name)
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343 | 60af751d | Andrea Spadaccini | |
344 | 60af751d | Andrea Spadaccini | def GetMigrationStatus(self, instance): |
345 | 60af751d | Andrea Spadaccini | """Get the migration status
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346 | 60af751d | Andrea Spadaccini |
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347 | 60af751d | Andrea Spadaccini | The fake hypervisor migration always succeeds.
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348 | 60af751d | Andrea Spadaccini |
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349 | 60af751d | Andrea Spadaccini | @type instance: L{objects.Instance}
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350 | 60af751d | Andrea Spadaccini | @param instance: the instance that is being migrated
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351 | 60af751d | Andrea Spadaccini | @rtype: L{objects.MigrationStatus}
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352 | 60af751d | Andrea Spadaccini | @return: the status of the current migration (one of
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353 | 60af751d | Andrea Spadaccini | L{constants.HV_MIGRATION_VALID_STATUSES}), plus any additional
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354 | 60af751d | Andrea Spadaccini | progress info that can be retrieved from the hypervisor
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355 | 60af751d | Andrea Spadaccini |
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356 | 60af751d | Andrea Spadaccini | """
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357 | 60af751d | Andrea Spadaccini | return objects.MigrationStatus(status=constants.HV_MIGRATION_COMPLETED) |