root / lib / hypervisor / hv_xen.py @ 91c17910
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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 | 1a63f285 | Iustin Pop | # Copyright (C) 2006, 2007, 2008, 2009, 2010, 2011, 2012 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 | """Xen hypervisors
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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 | b48909c8 | Iustin Pop | import logging |
27 | 65a6f9b7 | Michael Hanselmann | from cStringIO import StringIO |
28 | 65a6f9b7 | Michael Hanselmann | |
29 | 65a6f9b7 | Michael Hanselmann | from ganeti import constants |
30 | 65a6f9b7 | Michael Hanselmann | from ganeti import errors |
31 | 65a6f9b7 | Michael Hanselmann | from ganeti import utils |
32 | a2d32034 | Michael Hanselmann | from ganeti.hypervisor import hv_base |
33 | a744b676 | Manuel Franceschini | from ganeti import netutils |
34 | 55cc0a44 | Michael Hanselmann | from ganeti import objects |
35 | 9d9bded1 | Michael Hanselmann | from ganeti import pathutils |
36 | 053c356a | Guido Trotter | from ganeti import ssconf |
37 | 65a6f9b7 | Michael Hanselmann | |
38 | 65a6f9b7 | Michael Hanselmann | |
39 | a8e8c0c6 | Michael Hanselmann | XEND_CONFIG_FILE = utils.PathJoin(pathutils.XEN_CONFIG_DIR, "xend-config.sxp")
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40 | a8e8c0c6 | Michael Hanselmann | XL_CONFIG_FILE = utils.PathJoin(pathutils.XEN_CONFIG_DIR, "xen/xl.conf")
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41 | a8e8c0c6 | Michael Hanselmann | VIF_BRIDGE_SCRIPT = utils.PathJoin(pathutils.XEN_CONFIG_DIR, |
42 | a8e8c0c6 | Michael Hanselmann | "scripts/vif-bridge")
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43 | 18bf85b1 | Michael Hanselmann | _DOM0_NAME = "Domain-0"
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44 | 22d568c2 | Guido Trotter | |
45 | 22d568c2 | Guido Trotter | |
46 | 347fa0f1 | Michael Hanselmann | def _CreateConfigCpus(cpu_mask): |
47 | 347fa0f1 | Michael Hanselmann | """Create a CPU config string for Xen's config file.
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48 | 347fa0f1 | Michael Hanselmann |
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49 | 347fa0f1 | Michael Hanselmann | """
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50 | 347fa0f1 | Michael Hanselmann | # Convert the string CPU mask to a list of list of int's
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51 | 347fa0f1 | Michael Hanselmann | cpu_list = utils.ParseMultiCpuMask(cpu_mask) |
52 | 347fa0f1 | Michael Hanselmann | |
53 | 347fa0f1 | Michael Hanselmann | if len(cpu_list) == 1: |
54 | 347fa0f1 | Michael Hanselmann | all_cpu_mapping = cpu_list[0]
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55 | 347fa0f1 | Michael Hanselmann | if all_cpu_mapping == constants.CPU_PINNING_OFF:
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56 | 347fa0f1 | Michael Hanselmann | # If CPU pinning has 1 entry that's "all", then remove the
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57 | 347fa0f1 | Michael Hanselmann | # parameter from the config file
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58 | 347fa0f1 | Michael Hanselmann | return None |
59 | 347fa0f1 | Michael Hanselmann | else:
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60 | 347fa0f1 | Michael Hanselmann | # If CPU pinning has one non-all entry, mapping all vCPUS (the entire
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61 | 347fa0f1 | Michael Hanselmann | # VM) to one physical CPU, using format 'cpu = "C"'
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62 | 347fa0f1 | Michael Hanselmann | return "cpu = \"%s\"" % ",".join(map(str, all_cpu_mapping)) |
63 | 347fa0f1 | Michael Hanselmann | else:
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64 | 347fa0f1 | Michael Hanselmann | |
65 | 347fa0f1 | Michael Hanselmann | def _GetCPUMap(vcpu): |
66 | 347fa0f1 | Michael Hanselmann | if vcpu[0] == constants.CPU_PINNING_ALL_VAL: |
67 | 347fa0f1 | Michael Hanselmann | cpu_map = constants.CPU_PINNING_ALL_XEN |
68 | 347fa0f1 | Michael Hanselmann | else:
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69 | 347fa0f1 | Michael Hanselmann | cpu_map = ",".join(map(str, vcpu)) |
70 | 347fa0f1 | Michael Hanselmann | return "\"%s\"" % cpu_map |
71 | 347fa0f1 | Michael Hanselmann | |
72 | 347fa0f1 | Michael Hanselmann | # build the result string in format 'cpus = [ "c", "c", "c" ]',
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73 | 347fa0f1 | Michael Hanselmann | # where each c is a physical CPU number, a range, a list, or any
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74 | 347fa0f1 | Michael Hanselmann | # combination
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75 | 347fa0f1 | Michael Hanselmann | return "cpus = [ %s ]" % ", ".join(map(_GetCPUMap, cpu_list)) |
76 | 347fa0f1 | Michael Hanselmann | |
77 | 347fa0f1 | Michael Hanselmann | |
78 | a2d32034 | Michael Hanselmann | class XenHypervisor(hv_base.BaseHypervisor): |
79 | 65a6f9b7 | Michael Hanselmann | """Xen generic hypervisor interface
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80 | 65a6f9b7 | Michael Hanselmann |
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81 | 65a6f9b7 | Michael Hanselmann | This is the Xen base class used for both Xen PVM and HVM. It contains
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82 | 65a6f9b7 | Michael Hanselmann | all the functionality that is identical for both.
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83 | 65a6f9b7 | Michael Hanselmann |
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84 | 65a6f9b7 | Michael Hanselmann | """
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85 | d271c6fd | Iustin Pop | CAN_MIGRATE = True
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86 | 7dd106d3 | Iustin Pop | REBOOT_RETRY_COUNT = 60
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87 | 7dd106d3 | Iustin Pop | REBOOT_RETRY_INTERVAL = 10
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88 | 65a6f9b7 | Michael Hanselmann | |
89 | 3680f662 | Guido Trotter | ANCILLARY_FILES = [ |
90 | 22d568c2 | Guido Trotter | XEND_CONFIG_FILE, |
91 | 22d568c2 | Guido Trotter | XL_CONFIG_FILE, |
92 | 22d568c2 | Guido Trotter | VIF_BRIDGE_SCRIPT, |
93 | 3680f662 | Guido Trotter | ] |
94 | 69ab2e12 | Guido Trotter | ANCILLARY_FILES_OPT = [ |
95 | 69ab2e12 | Guido Trotter | XL_CONFIG_FILE, |
96 | 3680f662 | Guido Trotter | ] |
97 | 3680f662 | Guido Trotter | |
98 | c2be2532 | Guido Trotter | @staticmethod
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99 | c2be2532 | Guido Trotter | def _ConfigFileName(instance_name): |
100 | c2be2532 | Guido Trotter | """Get the config file name for an instance.
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101 | c2be2532 | Guido Trotter |
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102 | c2be2532 | Guido Trotter | @param instance_name: instance name
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103 | c2be2532 | Guido Trotter | @type instance_name: str
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104 | c2be2532 | Guido Trotter | @return: fully qualified path to instance config file
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105 | c2be2532 | Guido Trotter | @rtype: str
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106 | c2be2532 | Guido Trotter |
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107 | c2be2532 | Guido Trotter | """
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108 | a8e8c0c6 | Michael Hanselmann | return utils.PathJoin(pathutils.XEN_CONFIG_DIR, instance_name)
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109 | c2be2532 | Guido Trotter | |
110 | 5661b908 | Iustin Pop | @classmethod
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111 | 61eb1a46 | Guido Trotter | def _WriteConfigFile(cls, instance, startup_memory, block_devices): |
112 | 65a6f9b7 | Michael Hanselmann | """Write the Xen config file for the instance.
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113 | 65a6f9b7 | Michael Hanselmann |
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114 | 65a6f9b7 | Michael Hanselmann | """
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115 | 65a6f9b7 | Michael Hanselmann | raise NotImplementedError |
116 | 65a6f9b7 | Michael Hanselmann | |
117 | 65a6f9b7 | Michael Hanselmann | @staticmethod
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118 | 4390ccff | Guido Trotter | def _WriteConfigFileStatic(instance_name, data): |
119 | 4390ccff | Guido Trotter | """Write the Xen config file for the instance.
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120 | 4390ccff | Guido Trotter |
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121 | 4390ccff | Guido Trotter | This version of the function just writes the config file from static data.
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122 | 4390ccff | Guido Trotter |
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123 | 4390ccff | Guido Trotter | """
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124 | 1a63f285 | Iustin Pop | # just in case it exists
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125 | a8e8c0c6 | Michael Hanselmann | utils.RemoveFile(utils.PathJoin(pathutils.XEN_CONFIG_DIR, "auto",
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126 | a8e8c0c6 | Michael Hanselmann | instance_name)) |
127 | a8e8c0c6 | Michael Hanselmann | |
128 | 1a63f285 | Iustin Pop | cfg_file = XenHypervisor._ConfigFileName(instance_name) |
129 | 1a63f285 | Iustin Pop | try:
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130 | 1a63f285 | Iustin Pop | utils.WriteFile(cfg_file, data=data) |
131 | 1a63f285 | Iustin Pop | except EnvironmentError, err: |
132 | 1a63f285 | Iustin Pop | raise errors.HypervisorError("Cannot write Xen instance configuration" |
133 | 1a63f285 | Iustin Pop | " file %s: %s" % (cfg_file, err))
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134 | 4390ccff | Guido Trotter | |
135 | 4390ccff | Guido Trotter | @staticmethod
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136 | 4390ccff | Guido Trotter | def _ReadConfigFile(instance_name): |
137 | 4390ccff | Guido Trotter | """Returns the contents of the instance config file.
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138 | 4390ccff | Guido Trotter |
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139 | 4390ccff | Guido Trotter | """
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140 | 76c364d9 | Michael Hanselmann | filename = XenHypervisor._ConfigFileName(instance_name) |
141 | 76c364d9 | Michael Hanselmann | |
142 | 4390ccff | Guido Trotter | try:
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143 | 76c364d9 | Michael Hanselmann | file_content = utils.ReadFile(filename) |
144 | 4390ccff | Guido Trotter | except EnvironmentError, err: |
145 | 4390ccff | Guido Trotter | raise errors.HypervisorError("Failed to load Xen config file: %s" % err) |
146 | 76c364d9 | Michael Hanselmann | |
147 | 4390ccff | Guido Trotter | return file_content
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148 | 4390ccff | Guido Trotter | |
149 | 4390ccff | Guido Trotter | @staticmethod
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150 | 53c776b5 | Iustin Pop | def _RemoveConfigFile(instance_name): |
151 | 65a6f9b7 | Michael Hanselmann | """Remove the xen configuration file.
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152 | 65a6f9b7 | Michael Hanselmann |
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153 | 65a6f9b7 | Michael Hanselmann | """
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154 | c2be2532 | Guido Trotter | utils.RemoveFile(XenHypervisor._ConfigFileName(instance_name)) |
155 | 65a6f9b7 | Michael Hanselmann | |
156 | 65a6f9b7 | Michael Hanselmann | @staticmethod
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157 | 06b78e8b | Michael Hanselmann | def _RunXmList(xmlist_errors): |
158 | 06b78e8b | Michael Hanselmann | """Helper function for L{_GetXMList} to run "xm list".
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159 | 06b78e8b | Michael Hanselmann |
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160 | 06b78e8b | Michael Hanselmann | """
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161 | 2876c2d6 | Guido Trotter | result = utils.RunCmd([constants.XEN_CMD, "list"])
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162 | 06b78e8b | Michael Hanselmann | if result.failed:
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163 | 06b78e8b | Michael Hanselmann | logging.error("xm list failed (%s): %s", result.fail_reason,
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164 | 06b78e8b | Michael Hanselmann | result.output) |
165 | 06b78e8b | Michael Hanselmann | xmlist_errors.append(result) |
166 | 06b78e8b | Michael Hanselmann | raise utils.RetryAgain()
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167 | 06b78e8b | Michael Hanselmann | |
168 | 06b78e8b | Michael Hanselmann | # skip over the heading
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169 | 06b78e8b | Michael Hanselmann | return result.stdout.splitlines()[1:] |
170 | 06b78e8b | Michael Hanselmann | |
171 | 06b78e8b | Michael Hanselmann | @classmethod
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172 | 06b78e8b | Michael Hanselmann | def _GetXMList(cls, include_node): |
173 | 65a6f9b7 | Michael Hanselmann | """Return the list of running instances.
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174 | 65a6f9b7 | Michael Hanselmann |
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175 | c41eea6e | Iustin Pop | If the include_node argument is True, then we return information
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176 | 65a6f9b7 | Michael Hanselmann | for dom0 also, otherwise we filter that from the return value.
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177 | 65a6f9b7 | Michael Hanselmann |
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178 | c41eea6e | Iustin Pop | @return: list of (name, id, memory, vcpus, state, time spent)
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179 | 65a6f9b7 | Michael Hanselmann |
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180 | 65a6f9b7 | Michael Hanselmann | """
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181 | 06b78e8b | Michael Hanselmann | xmlist_errors = [] |
182 | 06b78e8b | Michael Hanselmann | try:
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183 | 06b78e8b | Michael Hanselmann | lines = utils.Retry(cls._RunXmList, 1, 5, args=(xmlist_errors, )) |
184 | 06b78e8b | Michael Hanselmann | except utils.RetryTimeout:
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185 | 06b78e8b | Michael Hanselmann | if xmlist_errors:
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186 | 06b78e8b | Michael Hanselmann | xmlist_result = xmlist_errors.pop() |
187 | 65a6f9b7 | Michael Hanselmann | |
188 | 06b78e8b | Michael Hanselmann | errmsg = ("xm list failed, timeout exceeded (%s): %s" %
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189 | 06b78e8b | Michael Hanselmann | (xmlist_result.fail_reason, xmlist_result.output)) |
190 | 06b78e8b | Michael Hanselmann | else:
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191 | 06b78e8b | Michael Hanselmann | errmsg = "xm list failed"
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192 | 06b78e8b | Michael Hanselmann | |
193 | 06b78e8b | Michael Hanselmann | raise errors.HypervisorError(errmsg)
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194 | 65a6f9b7 | Michael Hanselmann | |
195 | 65a6f9b7 | Michael Hanselmann | result = [] |
196 | 65a6f9b7 | Michael Hanselmann | for line in lines: |
197 | 65a6f9b7 | Michael Hanselmann | # The format of lines is:
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198 | 65a6f9b7 | Michael Hanselmann | # Name ID Mem(MiB) VCPUs State Time(s)
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199 | 65a6f9b7 | Michael Hanselmann | # Domain-0 0 3418 4 r----- 266.2
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200 | 65a6f9b7 | Michael Hanselmann | data = line.split() |
201 | 65a6f9b7 | Michael Hanselmann | if len(data) != 6: |
202 | 65a6f9b7 | Michael Hanselmann | raise errors.HypervisorError("Can't parse output of xm list," |
203 | 65a6f9b7 | Michael Hanselmann | " line: %s" % line)
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204 | 65a6f9b7 | Michael Hanselmann | try:
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205 | 65a6f9b7 | Michael Hanselmann | data[1] = int(data[1]) |
206 | 65a6f9b7 | Michael Hanselmann | data[2] = int(data[2]) |
207 | 65a6f9b7 | Michael Hanselmann | data[3] = int(data[3]) |
208 | 65a6f9b7 | Michael Hanselmann | data[5] = float(data[5]) |
209 | 691744c4 | Iustin Pop | except (TypeError, ValueError), err: |
210 | 65a6f9b7 | Michael Hanselmann | raise errors.HypervisorError("Can't parse output of xm list," |
211 | 65a6f9b7 | Michael Hanselmann | " line: %s, error: %s" % (line, err))
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212 | 65a6f9b7 | Michael Hanselmann | |
213 | 65a6f9b7 | Michael Hanselmann | # skip the Domain-0 (optional)
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214 | 18bf85b1 | Michael Hanselmann | if include_node or data[0] != _DOM0_NAME: |
215 | 65a6f9b7 | Michael Hanselmann | result.append(data) |
216 | 65a6f9b7 | Michael Hanselmann | |
217 | 65a6f9b7 | Michael Hanselmann | return result
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218 | 65a6f9b7 | Michael Hanselmann | |
219 | 65a6f9b7 | Michael Hanselmann | def ListInstances(self): |
220 | 65a6f9b7 | Michael Hanselmann | """Get the list of running instances.
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221 | 65a6f9b7 | Michael Hanselmann |
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222 | 65a6f9b7 | Michael Hanselmann | """
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223 | 65a6f9b7 | Michael Hanselmann | xm_list = self._GetXMList(False) |
224 | 65a6f9b7 | Michael Hanselmann | names = [info[0] for info in xm_list] |
225 | 65a6f9b7 | Michael Hanselmann | return names
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226 | 65a6f9b7 | Michael Hanselmann | |
227 | 65a6f9b7 | Michael Hanselmann | def GetInstanceInfo(self, instance_name): |
228 | 65a6f9b7 | Michael Hanselmann | """Get instance properties.
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229 | 65a6f9b7 | Michael Hanselmann |
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230 | c41eea6e | Iustin Pop | @param instance_name: the instance name
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231 | c41eea6e | Iustin Pop |
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232 | c41eea6e | Iustin Pop | @return: tuple (name, id, memory, vcpus, stat, times)
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233 | 65a6f9b7 | Michael Hanselmann |
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234 | 65a6f9b7 | Michael Hanselmann | """
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235 | 18bf85b1 | Michael Hanselmann | xm_list = self._GetXMList(instance_name == _DOM0_NAME)
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236 | 65a6f9b7 | Michael Hanselmann | result = None
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237 | 65a6f9b7 | Michael Hanselmann | for data in xm_list: |
238 | 65a6f9b7 | Michael Hanselmann | if data[0] == instance_name: |
239 | 65a6f9b7 | Michael Hanselmann | result = data |
240 | 65a6f9b7 | Michael Hanselmann | break
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241 | 65a6f9b7 | Michael Hanselmann | return result
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242 | 65a6f9b7 | Michael Hanselmann | |
243 | 65a6f9b7 | Michael Hanselmann | def GetAllInstancesInfo(self): |
244 | 65a6f9b7 | Michael Hanselmann | """Get properties of all instances.
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245 | 65a6f9b7 | Michael Hanselmann |
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246 | c41eea6e | Iustin Pop | @return: list of tuples (name, id, memory, vcpus, stat, times)
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247 | c41eea6e | Iustin Pop |
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248 | 65a6f9b7 | Michael Hanselmann | """
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249 | 65a6f9b7 | Michael Hanselmann | xm_list = self._GetXMList(False) |
250 | 65a6f9b7 | Michael Hanselmann | return xm_list
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251 | 65a6f9b7 | Michael Hanselmann | |
252 | 323f9095 | Stephen Shirley | def StartInstance(self, instance, block_devices, startup_paused): |
253 | c41eea6e | Iustin Pop | """Start an instance.
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254 | c41eea6e | Iustin Pop |
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255 | c41eea6e | Iustin Pop | """
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256 | 61eb1a46 | Guido Trotter | startup_memory = self._InstanceStartupMemory(instance)
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257 | 61eb1a46 | Guido Trotter | self._WriteConfigFile(instance, startup_memory, block_devices)
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258 | 2876c2d6 | Guido Trotter | cmd = [constants.XEN_CMD, "create"]
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259 | 323f9095 | Stephen Shirley | if startup_paused:
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260 | 6555373d | Guido Trotter | cmd.extend(["-p"])
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261 | 6555373d | Guido Trotter | cmd.extend([self._ConfigFileName(instance.name)])
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262 | 323f9095 | Stephen Shirley | result = utils.RunCmd(cmd) |
263 | 65a6f9b7 | Michael Hanselmann | |
264 | 65a6f9b7 | Michael Hanselmann | if result.failed:
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265 | 65a6f9b7 | Michael Hanselmann | raise errors.HypervisorError("Failed to start instance %s: %s (%s)" % |
266 | 65a6f9b7 | Michael Hanselmann | (instance.name, result.fail_reason, |
267 | 65a6f9b7 | Michael Hanselmann | result.output)) |
268 | 65a6f9b7 | Michael Hanselmann | |
269 | bbcf7ad0 | Iustin Pop | def StopInstance(self, instance, force=False, retry=False, name=None): |
270 | c41eea6e | Iustin Pop | """Stop an instance.
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271 | c41eea6e | Iustin Pop |
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272 | c41eea6e | Iustin Pop | """
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273 | bbcf7ad0 | Iustin Pop | if name is None: |
274 | bbcf7ad0 | Iustin Pop | name = instance.name |
275 | 4b8b172d | Michael Hanselmann | |
276 | 65a6f9b7 | Michael Hanselmann | if force:
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277 | 2876c2d6 | Guido Trotter | command = [constants.XEN_CMD, "destroy", name]
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278 | 65a6f9b7 | Michael Hanselmann | else:
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279 | 2876c2d6 | Guido Trotter | command = [constants.XEN_CMD, "shutdown", name]
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280 | 65a6f9b7 | Michael Hanselmann | result = utils.RunCmd(command) |
281 | 65a6f9b7 | Michael Hanselmann | |
282 | 65a6f9b7 | Michael Hanselmann | if result.failed:
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283 | 3213d3c8 | Iustin Pop | raise errors.HypervisorError("Failed to stop instance %s: %s, %s" % |
284 | bbcf7ad0 | Iustin Pop | (name, result.fail_reason, result.output)) |
285 | 65a6f9b7 | Michael Hanselmann | |
286 | 4b8b172d | Michael Hanselmann | # Remove configuration file if stopping/starting instance was successful
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287 | 4b8b172d | Michael Hanselmann | self._RemoveConfigFile(name)
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288 | 4b8b172d | Michael Hanselmann | |
289 | 65a6f9b7 | Michael Hanselmann | def RebootInstance(self, instance): |
290 | c41eea6e | Iustin Pop | """Reboot an instance.
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291 | c41eea6e | Iustin Pop |
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292 | c41eea6e | Iustin Pop | """
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293 | 7dd106d3 | Iustin Pop | ini_info = self.GetInstanceInfo(instance.name)
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294 | 65a6f9b7 | Michael Hanselmann | |
295 | e0561198 | Iustin Pop | if ini_info is None: |
296 | e0561198 | Iustin Pop | raise errors.HypervisorError("Failed to reboot instance %s," |
297 | e0561198 | Iustin Pop | " not running" % instance.name)
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298 | e0561198 | Iustin Pop | |
299 | 2876c2d6 | Guido Trotter | result = utils.RunCmd([constants.XEN_CMD, "reboot", instance.name])
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300 | 65a6f9b7 | Michael Hanselmann | if result.failed:
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301 | 3213d3c8 | Iustin Pop | raise errors.HypervisorError("Failed to reboot instance %s: %s, %s" % |
302 | 3213d3c8 | Iustin Pop | (instance.name, result.fail_reason, |
303 | 3213d3c8 | Iustin Pop | result.output)) |
304 | 06b78e8b | Michael Hanselmann | |
305 | 06b78e8b | Michael Hanselmann | def _CheckInstance(): |
306 | 7dd106d3 | Iustin Pop | new_info = self.GetInstanceInfo(instance.name)
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307 | 06b78e8b | Michael Hanselmann | |
308 | 06b78e8b | Michael Hanselmann | # check if the domain ID has changed or the run time has decreased
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309 | e0561198 | Iustin Pop | if (new_info is not None and |
310 | e0561198 | Iustin Pop | (new_info[1] != ini_info[1] or new_info[5] < ini_info[5])): |
311 | 06b78e8b | Michael Hanselmann | return
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312 | 7dd106d3 | Iustin Pop | |
313 | 06b78e8b | Michael Hanselmann | raise utils.RetryAgain()
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314 | 06b78e8b | Michael Hanselmann | |
315 | 06b78e8b | Michael Hanselmann | try:
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316 | 06b78e8b | Michael Hanselmann | utils.Retry(_CheckInstance, self.REBOOT_RETRY_INTERVAL,
|
317 | 06b78e8b | Michael Hanselmann | self.REBOOT_RETRY_INTERVAL * self.REBOOT_RETRY_COUNT) |
318 | 06b78e8b | Michael Hanselmann | except utils.RetryTimeout:
|
319 | 7dd106d3 | Iustin Pop | raise errors.HypervisorError("Failed to reboot instance %s: instance" |
320 | 7dd106d3 | Iustin Pop | " did not reboot in the expected interval" %
|
321 | 7dd106d3 | Iustin Pop | (instance.name, )) |
322 | 65a6f9b7 | Michael Hanselmann | |
323 | 2c7a0373 | Guido Trotter | def BalloonInstanceMemory(self, instance, mem): |
324 | 2c7a0373 | Guido Trotter | """Balloon an instance memory to a certain value.
|
325 | 2c7a0373 | Guido Trotter |
|
326 | 2c7a0373 | Guido Trotter | @type instance: L{objects.Instance}
|
327 | 2c7a0373 | Guido Trotter | @param instance: instance to be accepted
|
328 | 2c7a0373 | Guido Trotter | @type mem: int
|
329 | 2c7a0373 | Guido Trotter | @param mem: actual memory size to use for instance runtime
|
330 | 2c7a0373 | Guido Trotter |
|
331 | 2c7a0373 | Guido Trotter | """
|
332 | 2c7a0373 | Guido Trotter | cmd = [constants.XEN_CMD, "mem-set", instance.name, mem]
|
333 | 2c7a0373 | Guido Trotter | result = utils.RunCmd(cmd) |
334 | 2c7a0373 | Guido Trotter | if result.failed:
|
335 | 2c7a0373 | Guido Trotter | raise errors.HypervisorError("Failed to balloon instance %s: %s (%s)" % |
336 | 2c7a0373 | Guido Trotter | (instance.name, result.fail_reason, |
337 | 2c7a0373 | Guido Trotter | result.output)) |
338 | 2c7a0373 | Guido Trotter | cmd = ["sed", "-ie", "s/^memory.*$/memory = %s/" % mem] |
339 | 2c7a0373 | Guido Trotter | cmd.append(XenHypervisor._ConfigFileName(instance.name)) |
340 | 2c7a0373 | Guido Trotter | result = utils.RunCmd(cmd) |
341 | 2c7a0373 | Guido Trotter | if result.failed:
|
342 | 2c7a0373 | Guido Trotter | raise errors.HypervisorError("Failed to update memory for %s: %s (%s)" % |
343 | 2c7a0373 | Guido Trotter | (instance.name, result.fail_reason, |
344 | 2c7a0373 | Guido Trotter | result.output)) |
345 | 2c7a0373 | Guido Trotter | |
346 | 65a6f9b7 | Michael Hanselmann | def GetNodeInfo(self): |
347 | 65a6f9b7 | Michael Hanselmann | """Return information about the node.
|
348 | 65a6f9b7 | Michael Hanselmann |
|
349 | 0105bad3 | Iustin Pop | @return: a dict with the following keys (memory values in MiB):
|
350 | c41eea6e | Iustin Pop | - memory_total: the total memory size on the node
|
351 | c41eea6e | Iustin Pop | - memory_free: the available memory on the node for instances
|
352 | c41eea6e | Iustin Pop | - memory_dom0: the memory used by the node itself, if available
|
353 | 0105bad3 | Iustin Pop | - nr_cpus: total number of CPUs
|
354 | 0105bad3 | Iustin Pop | - nr_nodes: in a NUMA system, the number of domains
|
355 | 0105bad3 | Iustin Pop | - nr_sockets: the number of physical CPU sockets in the node
|
356 | 34fbc862 | Andrea Spadaccini | - hv_version: the hypervisor version in the form (major, minor)
|
357 | 65a6f9b7 | Michael Hanselmann |
|
358 | 65a6f9b7 | Michael Hanselmann | """
|
359 | 2876c2d6 | Guido Trotter | result = utils.RunCmd([constants.XEN_CMD, "info"])
|
360 | 65a6f9b7 | Michael Hanselmann | if result.failed:
|
361 | b48909c8 | Iustin Pop | logging.error("Can't run 'xm info' (%s): %s", result.fail_reason,
|
362 | b48909c8 | Iustin Pop | result.output) |
363 | 65a6f9b7 | Michael Hanselmann | return None |
364 | 65a6f9b7 | Michael Hanselmann | |
365 | 65a6f9b7 | Michael Hanselmann | xmoutput = result.stdout.splitlines() |
366 | 65a6f9b7 | Michael Hanselmann | result = {} |
367 | 0105bad3 | Iustin Pop | cores_per_socket = threads_per_core = nr_cpus = None
|
368 | 34fbc862 | Andrea Spadaccini | xen_major, xen_minor = None, None |
369 | 16ca6243 | Michael Hanselmann | memory_total = None
|
370 | 16ca6243 | Michael Hanselmann | memory_free = None
|
371 | 16ca6243 | Michael Hanselmann | |
372 | 65a6f9b7 | Michael Hanselmann | for line in xmoutput: |
373 | 65a6f9b7 | Michael Hanselmann | splitfields = line.split(":", 1) |
374 | 65a6f9b7 | Michael Hanselmann | |
375 | 65a6f9b7 | Michael Hanselmann | if len(splitfields) > 1: |
376 | 65a6f9b7 | Michael Hanselmann | key = splitfields[0].strip()
|
377 | 65a6f9b7 | Michael Hanselmann | val = splitfields[1].strip()
|
378 | 16ca6243 | Michael Hanselmann | |
379 | 16ca6243 | Michael Hanselmann | # note: in xen 3, memory has changed to total_memory
|
380 | d0c8c01d | Iustin Pop | if key == "memory" or key == "total_memory": |
381 | 16ca6243 | Michael Hanselmann | memory_total = int(val)
|
382 | d0c8c01d | Iustin Pop | elif key == "free_memory": |
383 | 16ca6243 | Michael Hanselmann | memory_free = int(val)
|
384 | d0c8c01d | Iustin Pop | elif key == "nr_cpus": |
385 | d0c8c01d | Iustin Pop | nr_cpus = result["cpu_total"] = int(val) |
386 | d0c8c01d | Iustin Pop | elif key == "nr_nodes": |
387 | d0c8c01d | Iustin Pop | result["cpu_nodes"] = int(val) |
388 | d0c8c01d | Iustin Pop | elif key == "cores_per_socket": |
389 | 0105bad3 | Iustin Pop | cores_per_socket = int(val)
|
390 | d0c8c01d | Iustin Pop | elif key == "threads_per_core": |
391 | 0105bad3 | Iustin Pop | threads_per_core = int(val)
|
392 | 34fbc862 | Andrea Spadaccini | elif key == "xen_major": |
393 | 34fbc862 | Andrea Spadaccini | xen_major = int(val)
|
394 | 34fbc862 | Andrea Spadaccini | elif key == "xen_minor": |
395 | 34fbc862 | Andrea Spadaccini | xen_minor = int(val)
|
396 | 0105bad3 | Iustin Pop | |
397 | 16ca6243 | Michael Hanselmann | if None not in [cores_per_socket, threads_per_core, nr_cpus]: |
398 | d0c8c01d | Iustin Pop | result["cpu_sockets"] = nr_cpus / (cores_per_socket * threads_per_core)
|
399 | 0105bad3 | Iustin Pop | |
400 | 16ca6243 | Michael Hanselmann | total_instmem = 0
|
401 | 16ca6243 | Michael Hanselmann | for (name, _, mem, vcpus, _, _) in self._GetXMList(True): |
402 | 16ca6243 | Michael Hanselmann | if name == _DOM0_NAME:
|
403 | 16ca6243 | Michael Hanselmann | result["memory_dom0"] = mem
|
404 | 16ca6243 | Michael Hanselmann | result["dom0_cpus"] = vcpus
|
405 | 16ca6243 | Michael Hanselmann | |
406 | 16ca6243 | Michael Hanselmann | # Include Dom0 in total memory usage
|
407 | 16ca6243 | Michael Hanselmann | total_instmem += mem |
408 | 16ca6243 | Michael Hanselmann | |
409 | 16ca6243 | Michael Hanselmann | if memory_free is not None: |
410 | 16ca6243 | Michael Hanselmann | result["memory_free"] = memory_free
|
411 | 16ca6243 | Michael Hanselmann | |
412 | 16ca6243 | Michael Hanselmann | if memory_total is not None: |
413 | 16ca6243 | Michael Hanselmann | result["memory_total"] = memory_total
|
414 | 16ca6243 | Michael Hanselmann | |
415 | 16ca6243 | Michael Hanselmann | # Calculate memory used by hypervisor
|
416 | 16ca6243 | Michael Hanselmann | if None not in [memory_total, memory_free, total_instmem]: |
417 | 16ca6243 | Michael Hanselmann | result["memory_hv"] = memory_total - memory_free - total_instmem
|
418 | 65a6f9b7 | Michael Hanselmann | |
419 | 34fbc862 | Andrea Spadaccini | if not (xen_major is None or xen_minor is None): |
420 | 34fbc862 | Andrea Spadaccini | result[constants.HV_NODEINFO_KEY_VERSION] = (xen_major, xen_minor) |
421 | 34fbc862 | Andrea Spadaccini | |
422 | 65a6f9b7 | Michael Hanselmann | return result
|
423 | 65a6f9b7 | Michael Hanselmann | |
424 | 637ce7f9 | Guido Trotter | @classmethod
|
425 | 55cc0a44 | Michael Hanselmann | def GetInstanceConsole(cls, instance, hvparams, beparams): |
426 | 65a6f9b7 | Michael Hanselmann | """Return a command for connecting to the console of an instance.
|
427 | 65a6f9b7 | Michael Hanselmann |
|
428 | 65a6f9b7 | Michael Hanselmann | """
|
429 | 55cc0a44 | Michael Hanselmann | return objects.InstanceConsole(instance=instance.name,
|
430 | 55cc0a44 | Michael Hanselmann | kind=constants.CONS_SSH, |
431 | 55cc0a44 | Michael Hanselmann | host=instance.primary_node, |
432 | 052783ff | Michael Hanselmann | user=constants.SSH_CONSOLE_USER, |
433 | b9612abb | Iustin Pop | command=[pathutils.XEN_CONSOLE_WRAPPER, |
434 | 1f5557ca | Guido Trotter | constants.XEN_CMD, instance.name]) |
435 | 65a6f9b7 | Michael Hanselmann | |
436 | 65a6f9b7 | Michael Hanselmann | def Verify(self): |
437 | 65a6f9b7 | Michael Hanselmann | """Verify the hypervisor.
|
438 | 65a6f9b7 | Michael Hanselmann |
|
439 | 65a6f9b7 | Michael Hanselmann | For Xen, this verifies that the xend process is running.
|
440 | 65a6f9b7 | Michael Hanselmann |
|
441 | cd04dfd2 | Michael Hanselmann | @return: Problem description if something is wrong, C{None} otherwise
|
442 | cd04dfd2 | Michael Hanselmann |
|
443 | 65a6f9b7 | Michael Hanselmann | """
|
444 | 2876c2d6 | Guido Trotter | result = utils.RunCmd([constants.XEN_CMD, "info"])
|
445 | e3e66f02 | Michael Hanselmann | if result.failed:
|
446 | 3213d3c8 | Iustin Pop | return "'xm info' failed: %s, %s" % (result.fail_reason, result.output) |
447 | 65a6f9b7 | Michael Hanselmann | |
448 | cd04dfd2 | Michael Hanselmann | return None |
449 | cd04dfd2 | Michael Hanselmann | |
450 | 65a6f9b7 | Michael Hanselmann | @staticmethod
|
451 | 525011bc | Maciej Bliziński | def _GetConfigFileDiskData(block_devices, blockdev_prefix): |
452 | 65a6f9b7 | Michael Hanselmann | """Get disk directive for xen config file.
|
453 | 65a6f9b7 | Michael Hanselmann |
|
454 | 65a6f9b7 | Michael Hanselmann | This method builds the xen config disk directive according to the
|
455 | 65a6f9b7 | Michael Hanselmann | given disk_template and block_devices.
|
456 | 65a6f9b7 | Michael Hanselmann |
|
457 | c41eea6e | Iustin Pop | @param block_devices: list of tuples (cfdev, rldev):
|
458 | c41eea6e | Iustin Pop | - cfdev: dict containing ganeti config disk part
|
459 | c41eea6e | Iustin Pop | - rldev: ganeti.bdev.BlockDev object
|
460 | 525011bc | Maciej Bliziński | @param blockdev_prefix: a string containing blockdevice prefix,
|
461 | 525011bc | Maciej Bliziński | e.g. "sd" for /dev/sda
|
462 | 65a6f9b7 | Michael Hanselmann |
|
463 | c41eea6e | Iustin Pop | @return: string containing disk directive for xen instance config file
|
464 | 65a6f9b7 | Michael Hanselmann |
|
465 | 65a6f9b7 | Michael Hanselmann | """
|
466 | 65a6f9b7 | Michael Hanselmann | FILE_DRIVER_MAP = { |
467 | 65a6f9b7 | Michael Hanselmann | constants.FD_LOOP: "file",
|
468 | 65a6f9b7 | Michael Hanselmann | constants.FD_BLKTAP: "tap:aio",
|
469 | 65a6f9b7 | Michael Hanselmann | } |
470 | 65a6f9b7 | Michael Hanselmann | disk_data = [] |
471 | 2864f2d9 | Iustin Pop | if len(block_devices) > 24: |
472 | 2864f2d9 | Iustin Pop | # 'z' - 'a' = 24
|
473 | 2864f2d9 | Iustin Pop | raise errors.HypervisorError("Too many disks") |
474 | d0c8c01d | Iustin Pop | namespace = [blockdev_prefix + chr(i + ord("a")) for i in range(24)] |
475 | 069cfbf1 | Iustin Pop | for sd_name, (cfdev, dev_path) in zip(namespace, block_devices): |
476 | d34b16d7 | Iustin Pop | if cfdev.mode == constants.DISK_RDWR:
|
477 | d34b16d7 | Iustin Pop | mode = "w"
|
478 | d34b16d7 | Iustin Pop | else:
|
479 | d34b16d7 | Iustin Pop | mode = "r"
|
480 | 65a6f9b7 | Michael Hanselmann | if cfdev.dev_type == constants.LD_FILE:
|
481 | d34b16d7 | Iustin Pop | line = "'%s:%s,%s,%s'" % (FILE_DRIVER_MAP[cfdev.physical_id[0]], |
482 | d34b16d7 | Iustin Pop | dev_path, sd_name, mode) |
483 | 65a6f9b7 | Michael Hanselmann | else:
|
484 | d34b16d7 | Iustin Pop | line = "'phy:%s,%s,%s'" % (dev_path, sd_name, mode)
|
485 | 65a6f9b7 | Michael Hanselmann | disk_data.append(line) |
486 | 65a6f9b7 | Michael Hanselmann | |
487 | 65a6f9b7 | Michael Hanselmann | return disk_data
|
488 | 65a6f9b7 | Michael Hanselmann | |
489 | 4390ccff | Guido Trotter | def MigrationInfo(self, instance): |
490 | 4390ccff | Guido Trotter | """Get instance information to perform a migration.
|
491 | 4390ccff | Guido Trotter |
|
492 | 4390ccff | Guido Trotter | @type instance: L{objects.Instance}
|
493 | 4390ccff | Guido Trotter | @param instance: instance to be migrated
|
494 | 4390ccff | Guido Trotter | @rtype: string
|
495 | 4390ccff | Guido Trotter | @return: content of the xen config file
|
496 | 4390ccff | Guido Trotter |
|
497 | 4390ccff | Guido Trotter | """
|
498 | 4390ccff | Guido Trotter | return self._ReadConfigFile(instance.name) |
499 | 4390ccff | Guido Trotter | |
500 | 4390ccff | Guido Trotter | def AcceptInstance(self, instance, info, target): |
501 | 4390ccff | Guido Trotter | """Prepare to accept an instance.
|
502 | 4390ccff | Guido Trotter |
|
503 | 4390ccff | Guido Trotter | @type instance: L{objects.Instance}
|
504 | 4390ccff | Guido Trotter | @param instance: instance to be accepted
|
505 | 4390ccff | Guido Trotter | @type info: string
|
506 | 4390ccff | Guido Trotter | @param info: content of the xen config file on the source node
|
507 | 4390ccff | Guido Trotter | @type target: string
|
508 | 4390ccff | Guido Trotter | @param target: target host (usually ip), on this node
|
509 | 4390ccff | Guido Trotter |
|
510 | 4390ccff | Guido Trotter | """
|
511 | 4390ccff | Guido Trotter | pass
|
512 | 4390ccff | Guido Trotter | |
513 | 60af751d | Andrea Spadaccini | def FinalizeMigrationDst(self, instance, info, success): |
514 | 4390ccff | Guido Trotter | """Finalize an instance migration.
|
515 | 4390ccff | Guido Trotter |
|
516 | 4390ccff | Guido Trotter | After a successful migration we write the xen config file.
|
517 | 4390ccff | Guido Trotter | We do nothing on a failure, as we did not change anything at accept time.
|
518 | 4390ccff | Guido Trotter |
|
519 | 4390ccff | Guido Trotter | @type instance: L{objects.Instance}
|
520 | fea922fa | Guido Trotter | @param instance: instance whose migration is being finalized
|
521 | 4390ccff | Guido Trotter | @type info: string
|
522 | 4390ccff | Guido Trotter | @param info: content of the xen config file on the source node
|
523 | 4390ccff | Guido Trotter | @type success: boolean
|
524 | 4390ccff | Guido Trotter | @param success: whether the migration was a success or a failure
|
525 | 4390ccff | Guido Trotter |
|
526 | 4390ccff | Guido Trotter | """
|
527 | 4390ccff | Guido Trotter | if success:
|
528 | 4390ccff | Guido Trotter | self._WriteConfigFileStatic(instance.name, info)
|
529 | 4390ccff | Guido Trotter | |
530 | 6e7275c0 | Iustin Pop | def MigrateInstance(self, instance, target, live): |
531 | 6e7275c0 | Iustin Pop | """Migrate an instance to a target node.
|
532 | 6e7275c0 | Iustin Pop |
|
533 | 6e7275c0 | Iustin Pop | The migration will not be attempted if the instance is not
|
534 | 6e7275c0 | Iustin Pop | currently running.
|
535 | 6e7275c0 | Iustin Pop |
|
536 | 58d38b02 | Iustin Pop | @type instance: L{objects.Instance}
|
537 | 58d38b02 | Iustin Pop | @param instance: the instance to be migrated
|
538 | fdf7f055 | Guido Trotter | @type target: string
|
539 | fdf7f055 | Guido Trotter | @param target: ip address of the target node
|
540 | fdf7f055 | Guido Trotter | @type live: boolean
|
541 | fdf7f055 | Guido Trotter | @param live: perform a live migration
|
542 | fdf7f055 | Guido Trotter |
|
543 | 6e7275c0 | Iustin Pop | """
|
544 | 58d38b02 | Iustin Pop | if self.GetInstanceInfo(instance.name) is None: |
545 | 6e7275c0 | Iustin Pop | raise errors.HypervisorError("Instance not running, cannot migrate") |
546 | 50716be0 | Iustin Pop | |
547 | 641ae041 | Iustin Pop | port = instance.hvparams[constants.HV_MIGRATION_PORT] |
548 | 50716be0 | Iustin Pop | |
549 | 3135de69 | Guido Trotter | if (constants.XEN_CMD == constants.XEN_CMD_XM and |
550 | 3135de69 | Guido Trotter | not netutils.TcpPing(target, port, live_port_needed=True)): |
551 | 50716be0 | Iustin Pop | raise errors.HypervisorError("Remote host %s not listening on port" |
552 | 50716be0 | Iustin Pop | " %s, cannot migrate" % (target, port))
|
553 | 50716be0 | Iustin Pop | |
554 | 0625d08f | René Nussbaumer | args = [constants.XEN_CMD, "migrate"]
|
555 | 0625d08f | René Nussbaumer | if constants.XEN_CMD == constants.XEN_CMD_XM:
|
556 | 0625d08f | René Nussbaumer | args.extend(["-p", "%d" % port]) |
557 | 0625d08f | René Nussbaumer | if live:
|
558 | 0625d08f | René Nussbaumer | args.append("-l")
|
559 | 0625d08f | René Nussbaumer | elif constants.XEN_CMD == constants.XEN_CMD_XL:
|
560 | 053c356a | Guido Trotter | cluster_name = ssconf.SimpleStore().GetClusterName() |
561 | 053c356a | Guido Trotter | args.extend(["-s", constants.XL_SSH_CMD % cluster_name])
|
562 | 0625d08f | René Nussbaumer | args.extend(["-C", self._ConfigFileName(instance.name)]) |
563 | 0625d08f | René Nussbaumer | else:
|
564 | 0625d08f | René Nussbaumer | raise errors.HypervisorError("Unsupported xen command: %s" % |
565 | 0625d08f | René Nussbaumer | constants.XEN_CMD) |
566 | 0625d08f | René Nussbaumer | |
567 | 58d38b02 | Iustin Pop | args.extend([instance.name, target]) |
568 | 6e7275c0 | Iustin Pop | result = utils.RunCmd(args) |
569 | 6e7275c0 | Iustin Pop | if result.failed:
|
570 | 6e7275c0 | Iustin Pop | raise errors.HypervisorError("Failed to migrate instance %s: %s" % |
571 | 58d38b02 | Iustin Pop | (instance.name, result.output)) |
572 | 60af751d | Andrea Spadaccini | |
573 | 60af751d | Andrea Spadaccini | def FinalizeMigrationSource(self, instance, success, live): |
574 | 60af751d | Andrea Spadaccini | """Finalize the instance migration on the source node.
|
575 | 60af751d | Andrea Spadaccini |
|
576 | 60af751d | Andrea Spadaccini | @type instance: L{objects.Instance}
|
577 | 60af751d | Andrea Spadaccini | @param instance: the instance that was migrated
|
578 | 60af751d | Andrea Spadaccini | @type success: bool
|
579 | 60af751d | Andrea Spadaccini | @param success: whether the migration succeeded or not
|
580 | 60af751d | Andrea Spadaccini | @type live: bool
|
581 | 60af751d | Andrea Spadaccini | @param live: whether the user requested a live migration or not
|
582 | 60af751d | Andrea Spadaccini |
|
583 | 60af751d | Andrea Spadaccini | """
|
584 | 60af751d | Andrea Spadaccini | # pylint: disable=W0613
|
585 | 60af751d | Andrea Spadaccini | if success:
|
586 | 60af751d | Andrea Spadaccini | # remove old xen file after migration succeeded
|
587 | 60af751d | Andrea Spadaccini | try:
|
588 | 60af751d | Andrea Spadaccini | self._RemoveConfigFile(instance.name)
|
589 | 60af751d | Andrea Spadaccini | except EnvironmentError: |
590 | 60af751d | Andrea Spadaccini | logging.exception("Failure while removing instance config file")
|
591 | 60af751d | Andrea Spadaccini | |
592 | 60af751d | Andrea Spadaccini | def GetMigrationStatus(self, instance): |
593 | 60af751d | Andrea Spadaccini | """Get the migration status
|
594 | 60af751d | Andrea Spadaccini |
|
595 | 60af751d | Andrea Spadaccini | As MigrateInstance for Xen is still blocking, if this method is called it
|
596 | 60af751d | Andrea Spadaccini | means that MigrateInstance has completed successfully. So we can safely
|
597 | 60af751d | Andrea Spadaccini | assume that the migration was successful and notify this fact to the client.
|
598 | 60af751d | Andrea Spadaccini |
|
599 | 60af751d | Andrea Spadaccini | @type instance: L{objects.Instance}
|
600 | 60af751d | Andrea Spadaccini | @param instance: the instance that is being migrated
|
601 | 60af751d | Andrea Spadaccini | @rtype: L{objects.MigrationStatus}
|
602 | 60af751d | Andrea Spadaccini | @return: the status of the current migration (one of
|
603 | 60af751d | Andrea Spadaccini | L{constants.HV_MIGRATION_VALID_STATUSES}), plus any additional
|
604 | 60af751d | Andrea Spadaccini | progress info that can be retrieved from the hypervisor
|
605 | 60af751d | Andrea Spadaccini |
|
606 | 60af751d | Andrea Spadaccini | """
|
607 | 60af751d | Andrea Spadaccini | return objects.MigrationStatus(status=constants.HV_MIGRATION_COMPLETED)
|
608 | 6e7275c0 | Iustin Pop | |
609 | f5118ade | Iustin Pop | @classmethod
|
610 | f5118ade | Iustin Pop | def PowercycleNode(cls): |
611 | f5118ade | Iustin Pop | """Xen-specific powercycle.
|
612 | f5118ade | Iustin Pop |
|
613 | f5118ade | Iustin Pop | This first does a Linux reboot (which triggers automatically a Xen
|
614 | f5118ade | Iustin Pop | reboot), and if that fails it tries to do a Xen reboot. The reason
|
615 | f5118ade | Iustin Pop | we don't try a Xen reboot first is that the xen reboot launches an
|
616 | f5118ade | Iustin Pop | external command which connects to the Xen hypervisor, and that
|
617 | f5118ade | Iustin Pop | won't work in case the root filesystem is broken and/or the xend
|
618 | f5118ade | Iustin Pop | daemon is not working.
|
619 | f5118ade | Iustin Pop |
|
620 | f5118ade | Iustin Pop | """
|
621 | f5118ade | Iustin Pop | try:
|
622 | f5118ade | Iustin Pop | cls.LinuxPowercycle() |
623 | f5118ade | Iustin Pop | finally:
|
624 | 2876c2d6 | Guido Trotter | utils.RunCmd([constants.XEN_CMD, "debug", "R"]) |
625 | f5118ade | Iustin Pop | |
626 | 65a6f9b7 | Michael Hanselmann | |
627 | 65a6f9b7 | Michael Hanselmann | class XenPvmHypervisor(XenHypervisor): |
628 | 65a6f9b7 | Michael Hanselmann | """Xen PVM hypervisor interface"""
|
629 | 65a6f9b7 | Michael Hanselmann | |
630 | 205ab586 | Iustin Pop | PARAMETERS = { |
631 | 2f2dbb4b | Jun Futagawa | constants.HV_USE_BOOTLOADER: hv_base.NO_CHECK, |
632 | 2f2dbb4b | Jun Futagawa | constants.HV_BOOTLOADER_PATH: hv_base.OPT_FILE_CHECK, |
633 | 2f2dbb4b | Jun Futagawa | constants.HV_BOOTLOADER_ARGS: hv_base.NO_CHECK, |
634 | 205ab586 | Iustin Pop | constants.HV_KERNEL_PATH: hv_base.REQ_FILE_CHECK, |
635 | 205ab586 | Iustin Pop | constants.HV_INITRD_PATH: hv_base.OPT_FILE_CHECK, |
636 | 7adf7814 | René Nussbaumer | constants.HV_ROOT_PATH: hv_base.NO_CHECK, |
637 | 205ab586 | Iustin Pop | constants.HV_KERNEL_ARGS: hv_base.NO_CHECK, |
638 | e2d14329 | Andrea Spadaccini | constants.HV_MIGRATION_PORT: hv_base.REQ_NET_PORT_CHECK, |
639 | 783a6c0b | Iustin Pop | constants.HV_MIGRATION_MODE: hv_base.MIGRATION_MODE_CHECK, |
640 | 525011bc | Maciej Bliziński | # TODO: Add a check for the blockdev prefix (matching [a-z:] or similar).
|
641 | 525011bc | Maciej Bliziński | constants.HV_BLOCKDEV_PREFIX: hv_base.NO_CHECK, |
642 | 990ade2d | Stephen Shirley | constants.HV_REBOOT_BEHAVIOR: |
643 | c4708267 | Tsachy Shacham | hv_base.ParamInSet(True, constants.REBOOT_BEHAVIORS),
|
644 | c4708267 | Tsachy Shacham | constants.HV_CPU_MASK: hv_base.OPT_MULTI_CPU_MASK_CHECK, |
645 | 2c368f28 | Guido Trotter | constants.HV_CPU_CAP: hv_base.OPT_NONNEGATIVE_INT_CHECK, |
646 | 8bd977e9 | Sébastien Bocahu | constants.HV_CPU_WEIGHT: |
647 | 8bd977e9 | Sébastien Bocahu | (False, lambda x: 0 < x < 65536, "invalid weight", None, None), |
648 | 205ab586 | Iustin Pop | } |
649 | f48148c3 | Iustin Pop | |
650 | 65a6f9b7 | Michael Hanselmann | @classmethod
|
651 | 61eb1a46 | Guido Trotter | def _WriteConfigFile(cls, instance, startup_memory, block_devices): |
652 | 65a6f9b7 | Michael Hanselmann | """Write the Xen config file for the instance.
|
653 | 65a6f9b7 | Michael Hanselmann |
|
654 | 65a6f9b7 | Michael Hanselmann | """
|
655 | a985b417 | Iustin Pop | hvp = instance.hvparams |
656 | 65a6f9b7 | Michael Hanselmann | config = StringIO() |
657 | 65a6f9b7 | Michael Hanselmann | config.write("# this is autogenerated by Ganeti, please do not edit\n#\n")
|
658 | 65a6f9b7 | Michael Hanselmann | |
659 | 2f2dbb4b | Jun Futagawa | # if bootloader is True, use bootloader instead of kernel and ramdisk
|
660 | 2f2dbb4b | Jun Futagawa | # parameters.
|
661 | 2f2dbb4b | Jun Futagawa | if hvp[constants.HV_USE_BOOTLOADER]:
|
662 | 2f2dbb4b | Jun Futagawa | # bootloader handling
|
663 | 2f2dbb4b | Jun Futagawa | bootloader_path = hvp[constants.HV_BOOTLOADER_PATH] |
664 | 2f2dbb4b | Jun Futagawa | if bootloader_path:
|
665 | 2f2dbb4b | Jun Futagawa | config.write("bootloader = '%s'\n" % bootloader_path)
|
666 | 2f2dbb4b | Jun Futagawa | else:
|
667 | 2f2dbb4b | Jun Futagawa | raise errors.HypervisorError("Bootloader enabled, but missing" |
668 | 2f2dbb4b | Jun Futagawa | " bootloader path")
|
669 | 65a6f9b7 | Michael Hanselmann | |
670 | 2f2dbb4b | Jun Futagawa | bootloader_args = hvp[constants.HV_BOOTLOADER_ARGS] |
671 | 2f2dbb4b | Jun Futagawa | if bootloader_args:
|
672 | 2f2dbb4b | Jun Futagawa | config.write("bootargs = '%s'\n" % bootloader_args)
|
673 | 2f2dbb4b | Jun Futagawa | else:
|
674 | 2f2dbb4b | Jun Futagawa | # kernel handling
|
675 | 2f2dbb4b | Jun Futagawa | kpath = hvp[constants.HV_KERNEL_PATH] |
676 | 2f2dbb4b | Jun Futagawa | config.write("kernel = '%s'\n" % kpath)
|
677 | 2f2dbb4b | Jun Futagawa | |
678 | 2f2dbb4b | Jun Futagawa | # initrd handling
|
679 | 2f2dbb4b | Jun Futagawa | initrd_path = hvp[constants.HV_INITRD_PATH] |
680 | 2f2dbb4b | Jun Futagawa | if initrd_path:
|
681 | 2f2dbb4b | Jun Futagawa | config.write("ramdisk = '%s'\n" % initrd_path)
|
682 | 65a6f9b7 | Michael Hanselmann | |
683 | 65a6f9b7 | Michael Hanselmann | # rest of the settings
|
684 | 61eb1a46 | Guido Trotter | config.write("memory = %d\n" % startup_memory)
|
685 | 80121c83 | Guido Trotter | config.write("maxmem = %d\n" % instance.beparams[constants.BE_MAXMEM])
|
686 | 8b3fd458 | Iustin Pop | config.write("vcpus = %d\n" % instance.beparams[constants.BE_VCPUS])
|
687 | 347fa0f1 | Michael Hanselmann | cpu_pinning = _CreateConfigCpus(hvp[constants.HV_CPU_MASK]) |
688 | c4708267 | Tsachy Shacham | if cpu_pinning:
|
689 | c4708267 | Tsachy Shacham | config.write("%s\n" % cpu_pinning)
|
690 | 8bd977e9 | Sébastien Bocahu | cpu_cap = hvp[constants.HV_CPU_CAP] |
691 | 8bd977e9 | Sébastien Bocahu | if cpu_cap:
|
692 | 8bd977e9 | Sébastien Bocahu | config.write("cpu_cap=%d\n" % cpu_cap)
|
693 | 8bd977e9 | Sébastien Bocahu | cpu_weight = hvp[constants.HV_CPU_WEIGHT] |
694 | 8bd977e9 | Sébastien Bocahu | if cpu_weight:
|
695 | 8bd977e9 | Sébastien Bocahu | config.write("cpu_weight=%d\n" % cpu_weight)
|
696 | c4708267 | Tsachy Shacham | |
697 | 65a6f9b7 | Michael Hanselmann | config.write("name = '%s'\n" % instance.name)
|
698 | 65a6f9b7 | Michael Hanselmann | |
699 | 65a6f9b7 | Michael Hanselmann | vif_data = [] |
700 | 65a6f9b7 | Michael Hanselmann | for nic in instance.nics: |
701 | 503b97a9 | Guido Trotter | nic_str = "mac=%s" % (nic.mac)
|
702 | 65a6f9b7 | Michael Hanselmann | ip = getattr(nic, "ip", None) |
703 | 65a6f9b7 | Michael Hanselmann | if ip is not None: |
704 | 65a6f9b7 | Michael Hanselmann | nic_str += ", ip=%s" % ip
|
705 | 503b97a9 | Guido Trotter | if nic.nicparams[constants.NIC_MODE] == constants.NIC_MODE_BRIDGED:
|
706 | 503b97a9 | Guido Trotter | nic_str += ", bridge=%s" % nic.nicparams[constants.NIC_LINK]
|
707 | 0183a697 | Alessandro Cincaglini | vif_data.append("'%s'" % nic_str)
|
708 | 65a6f9b7 | Michael Hanselmann | |
709 | 525011bc | Maciej Bliziński | disk_data = cls._GetConfigFileDiskData(block_devices, |
710 | 525011bc | Maciej Bliziński | hvp[constants.HV_BLOCKDEV_PREFIX]) |
711 | 7ed85ffe | Iustin Pop | |
712 | 65a6f9b7 | Michael Hanselmann | config.write("vif = [%s]\n" % ",".join(vif_data)) |
713 | 7ed85ffe | Iustin Pop | config.write("disk = [%s]\n" % ",".join(disk_data)) |
714 | 074ca009 | Guido Trotter | |
715 | 7adf7814 | René Nussbaumer | if hvp[constants.HV_ROOT_PATH]:
|
716 | 7adf7814 | René Nussbaumer | config.write("root = '%s'\n" % hvp[constants.HV_ROOT_PATH])
|
717 | 65a6f9b7 | Michael Hanselmann | config.write("on_poweroff = 'destroy'\n")
|
718 | 990ade2d | Stephen Shirley | if hvp[constants.HV_REBOOT_BEHAVIOR] == constants.INSTANCE_REBOOT_ALLOWED:
|
719 | 990ade2d | Stephen Shirley | config.write("on_reboot = 'restart'\n")
|
720 | 990ade2d | Stephen Shirley | else:
|
721 | 990ade2d | Stephen Shirley | config.write("on_reboot = 'destroy'\n")
|
722 | 65a6f9b7 | Michael Hanselmann | config.write("on_crash = 'restart'\n")
|
723 | 07813a9e | Iustin Pop | config.write("extra = '%s'\n" % hvp[constants.HV_KERNEL_ARGS])
|
724 | 1a63f285 | Iustin Pop | cls._WriteConfigFileStatic(instance.name, config.getvalue()) |
725 | 73cd67f4 | Guido Trotter | |
726 | 65a6f9b7 | Michael Hanselmann | return True |
727 | 65a6f9b7 | Michael Hanselmann | |
728 | 65a6f9b7 | Michael Hanselmann | |
729 | 65a6f9b7 | Michael Hanselmann | class XenHvmHypervisor(XenHypervisor): |
730 | 65a6f9b7 | Michael Hanselmann | """Xen HVM hypervisor interface"""
|
731 | 65a6f9b7 | Michael Hanselmann | |
732 | 69b99987 | Michael Hanselmann | ANCILLARY_FILES = XenHypervisor.ANCILLARY_FILES + [ |
733 | 9d9bded1 | Michael Hanselmann | pathutils.VNC_PASSWORD_FILE, |
734 | 69b99987 | Michael Hanselmann | ] |
735 | 69ab2e12 | Guido Trotter | ANCILLARY_FILES_OPT = XenHypervisor.ANCILLARY_FILES_OPT + [ |
736 | 9d9bded1 | Michael Hanselmann | pathutils.VNC_PASSWORD_FILE, |
737 | 69ab2e12 | Guido Trotter | ] |
738 | 3680f662 | Guido Trotter | |
739 | 205ab586 | Iustin Pop | PARAMETERS = { |
740 | 205ab586 | Iustin Pop | constants.HV_ACPI: hv_base.NO_CHECK, |
741 | 016d04b3 | Michael Hanselmann | constants.HV_BOOT_ORDER: (True, ) +
|
742 | 016d04b3 | Michael Hanselmann | (lambda x: x and len(x.strip("acdn")) == 0, |
743 | 016d04b3 | Michael Hanselmann | "Invalid boot order specified, must be one or more of [acdn]",
|
744 | 016d04b3 | Michael Hanselmann | None, None), |
745 | 205ab586 | Iustin Pop | constants.HV_CDROM_IMAGE_PATH: hv_base.OPT_FILE_CHECK, |
746 | 016d04b3 | Michael Hanselmann | constants.HV_DISK_TYPE: |
747 | 016d04b3 | Michael Hanselmann | hv_base.ParamInSet(True, constants.HT_HVM_VALID_DISK_TYPES),
|
748 | 016d04b3 | Michael Hanselmann | constants.HV_NIC_TYPE: |
749 | 016d04b3 | Michael Hanselmann | hv_base.ParamInSet(True, constants.HT_HVM_VALID_NIC_TYPES),
|
750 | 205ab586 | Iustin Pop | constants.HV_PAE: hv_base.NO_CHECK, |
751 | 016d04b3 | Michael Hanselmann | constants.HV_VNC_BIND_ADDRESS: |
752 | 8b312c1d | Manuel Franceschini | (False, netutils.IP4Address.IsValid,
|
753 | 016d04b3 | Michael Hanselmann | "VNC bind address is not a valid IP address", None, None), |
754 | 205ab586 | Iustin Pop | constants.HV_KERNEL_PATH: hv_base.REQ_FILE_CHECK, |
755 | 205ab586 | Iustin Pop | constants.HV_DEVICE_MODEL: hv_base.REQ_FILE_CHECK, |
756 | 6e6bb8d5 | Guido Trotter | constants.HV_VNC_PASSWORD_FILE: hv_base.REQ_FILE_CHECK, |
757 | e2d14329 | Andrea Spadaccini | constants.HV_MIGRATION_PORT: hv_base.REQ_NET_PORT_CHECK, |
758 | 783a6c0b | Iustin Pop | constants.HV_MIGRATION_MODE: hv_base.MIGRATION_MODE_CHECK, |
759 | 6b970cef | Jun Futagawa | constants.HV_USE_LOCALTIME: hv_base.NO_CHECK, |
760 | e695efbf | Iustin Pop | # TODO: Add a check for the blockdev prefix (matching [a-z:] or similar).
|
761 | e695efbf | Iustin Pop | constants.HV_BLOCKDEV_PREFIX: hv_base.NO_CHECK, |
762 | 87f0aa48 | Jack | # Add PCI passthrough
|
763 | 3891c95e | Bernardo Dal Seno | constants.HV_PASSTHROUGH: hv_base.NO_CHECK, |
764 | 990ade2d | Stephen Shirley | constants.HV_REBOOT_BEHAVIOR: |
765 | c4708267 | Tsachy Shacham | hv_base.ParamInSet(True, constants.REBOOT_BEHAVIORS),
|
766 | c4708267 | Tsachy Shacham | constants.HV_CPU_MASK: hv_base.OPT_MULTI_CPU_MASK_CHECK, |
767 | 8bd977e9 | Sébastien Bocahu | constants.HV_CPU_CAP: hv_base.NO_CHECK, |
768 | 8bd977e9 | Sébastien Bocahu | constants.HV_CPU_WEIGHT: |
769 | 8bd977e9 | Sébastien Bocahu | (False, lambda x: 0 < x < 65535, "invalid weight", None, None), |
770 | 205ab586 | Iustin Pop | } |
771 | 09ea8710 | Iustin Pop | |
772 | 65a6f9b7 | Michael Hanselmann | @classmethod
|
773 | 61eb1a46 | Guido Trotter | def _WriteConfigFile(cls, instance, startup_memory, block_devices): |
774 | 65a6f9b7 | Michael Hanselmann | """Create a Xen 3.1 HVM config file.
|
775 | 65a6f9b7 | Michael Hanselmann |
|
776 | 65a6f9b7 | Michael Hanselmann | """
|
777 | a985b417 | Iustin Pop | hvp = instance.hvparams |
778 | a985b417 | Iustin Pop | |
779 | 65a6f9b7 | Michael Hanselmann | config = StringIO() |
780 | 65a6f9b7 | Michael Hanselmann | config.write("# this is autogenerated by Ganeti, please do not edit\n#\n")
|
781 | e2ee1cea | Iustin Pop | |
782 | e2ee1cea | Iustin Pop | # kernel handling
|
783 | e2ee1cea | Iustin Pop | kpath = hvp[constants.HV_KERNEL_PATH] |
784 | e2ee1cea | Iustin Pop | config.write("kernel = '%s'\n" % kpath)
|
785 | e2ee1cea | Iustin Pop | |
786 | 65a6f9b7 | Michael Hanselmann | config.write("builder = 'hvm'\n")
|
787 | 61eb1a46 | Guido Trotter | config.write("memory = %d\n" % startup_memory)
|
788 | 80121c83 | Guido Trotter | config.write("maxmem = %d\n" % instance.beparams[constants.BE_MAXMEM])
|
789 | 8b3fd458 | Iustin Pop | config.write("vcpus = %d\n" % instance.beparams[constants.BE_VCPUS])
|
790 | 347fa0f1 | Michael Hanselmann | cpu_pinning = _CreateConfigCpus(hvp[constants.HV_CPU_MASK]) |
791 | c4708267 | Tsachy Shacham | if cpu_pinning:
|
792 | c4708267 | Tsachy Shacham | config.write("%s\n" % cpu_pinning)
|
793 | 8bd977e9 | Sébastien Bocahu | cpu_cap = hvp[constants.HV_CPU_CAP] |
794 | 8bd977e9 | Sébastien Bocahu | if cpu_cap:
|
795 | 8bd977e9 | Sébastien Bocahu | config.write("cpu_cap=%d\n" % cpu_cap)
|
796 | 8bd977e9 | Sébastien Bocahu | cpu_weight = hvp[constants.HV_CPU_WEIGHT] |
797 | 8bd977e9 | Sébastien Bocahu | if cpu_weight:
|
798 | 8bd977e9 | Sébastien Bocahu | config.write("cpu_weight=%d\n" % cpu_weight)
|
799 | c4708267 | Tsachy Shacham | |
800 | 65a6f9b7 | Michael Hanselmann | config.write("name = '%s'\n" % instance.name)
|
801 | 09ea8710 | Iustin Pop | if hvp[constants.HV_PAE]:
|
802 | a21dda8b | Iustin Pop | config.write("pae = 1\n")
|
803 | a21dda8b | Iustin Pop | else:
|
804 | a21dda8b | Iustin Pop | config.write("pae = 0\n")
|
805 | 09ea8710 | Iustin Pop | if hvp[constants.HV_ACPI]:
|
806 | a21dda8b | Iustin Pop | config.write("acpi = 1\n")
|
807 | a21dda8b | Iustin Pop | else:
|
808 | a21dda8b | Iustin Pop | config.write("acpi = 0\n")
|
809 | 65a6f9b7 | Michael Hanselmann | config.write("apic = 1\n")
|
810 | 09ea8710 | Iustin Pop | config.write("device_model = '%s'\n" % hvp[constants.HV_DEVICE_MODEL])
|
811 | a985b417 | Iustin Pop | config.write("boot = '%s'\n" % hvp[constants.HV_BOOT_ORDER])
|
812 | 65a6f9b7 | Michael Hanselmann | config.write("sdl = 0\n")
|
813 | 97efde45 | Guido Trotter | config.write("usb = 1\n")
|
814 | 97efde45 | Guido Trotter | config.write("usbdevice = 'tablet'\n")
|
815 | 65a6f9b7 | Michael Hanselmann | config.write("vnc = 1\n")
|
816 | a985b417 | Iustin Pop | if hvp[constants.HV_VNC_BIND_ADDRESS] is None: |
817 | d0c11cf7 | Alexander Schreiber | config.write("vnclisten = '%s'\n" % constants.VNC_DEFAULT_BIND_ADDRESS)
|
818 | d0c11cf7 | Alexander Schreiber | else:
|
819 | 6b405598 | Guido Trotter | config.write("vnclisten = '%s'\n" % hvp[constants.HV_VNC_BIND_ADDRESS])
|
820 | 65a6f9b7 | Michael Hanselmann | |
821 | 377d74c9 | Guido Trotter | if instance.network_port > constants.VNC_BASE_PORT:
|
822 | 377d74c9 | Guido Trotter | display = instance.network_port - constants.VNC_BASE_PORT |
823 | 65a6f9b7 | Michael Hanselmann | config.write("vncdisplay = %s\n" % display)
|
824 | 65a6f9b7 | Michael Hanselmann | config.write("vncunused = 0\n")
|
825 | 65a6f9b7 | Michael Hanselmann | else:
|
826 | 65a6f9b7 | Michael Hanselmann | config.write("# vncdisplay = 1\n")
|
827 | 65a6f9b7 | Michael Hanselmann | config.write("vncunused = 1\n")
|
828 | 65a6f9b7 | Michael Hanselmann | |
829 | 6e6bb8d5 | Guido Trotter | vnc_pwd_file = hvp[constants.HV_VNC_PASSWORD_FILE] |
830 | 65a6f9b7 | Michael Hanselmann | try:
|
831 | 6e6bb8d5 | Guido Trotter | password = utils.ReadFile(vnc_pwd_file) |
832 | 78f66a17 | Guido Trotter | except EnvironmentError, err: |
833 | 78f66a17 | Guido Trotter | raise errors.HypervisorError("Failed to open VNC password file %s: %s" % |
834 | 6e6bb8d5 | Guido Trotter | (vnc_pwd_file, err)) |
835 | 65a6f9b7 | Michael Hanselmann | |
836 | 65a6f9b7 | Michael Hanselmann | config.write("vncpasswd = '%s'\n" % password.rstrip())
|
837 | 65a6f9b7 | Michael Hanselmann | |
838 | 65a6f9b7 | Michael Hanselmann | config.write("serial = 'pty'\n")
|
839 | 6b970cef | Jun Futagawa | if hvp[constants.HV_USE_LOCALTIME]:
|
840 | 6b970cef | Jun Futagawa | config.write("localtime = 1\n")
|
841 | 65a6f9b7 | Michael Hanselmann | |
842 | 65a6f9b7 | Michael Hanselmann | vif_data = [] |
843 | a985b417 | Iustin Pop | nic_type = hvp[constants.HV_NIC_TYPE] |
844 | f48148c3 | Iustin Pop | if nic_type is None: |
845 | f48148c3 | Iustin Pop | # ensure old instances don't change
|
846 | f48148c3 | Iustin Pop | nic_type_str = ", type=ioemu"
|
847 | d08f6067 | Guido Trotter | elif nic_type == constants.HT_NIC_PARAVIRTUAL:
|
848 | f48148c3 | Iustin Pop | nic_type_str = ", type=paravirtualized"
|
849 | f48148c3 | Iustin Pop | else:
|
850 | f48148c3 | Iustin Pop | nic_type_str = ", model=%s, type=ioemu" % nic_type
|
851 | 65a6f9b7 | Michael Hanselmann | for nic in instance.nics: |
852 | 503b97a9 | Guido Trotter | nic_str = "mac=%s%s" % (nic.mac, nic_type_str)
|
853 | 65a6f9b7 | Michael Hanselmann | ip = getattr(nic, "ip", None) |
854 | 65a6f9b7 | Michael Hanselmann | if ip is not None: |
855 | 65a6f9b7 | Michael Hanselmann | nic_str += ", ip=%s" % ip
|
856 | 503b97a9 | Guido Trotter | if nic.nicparams[constants.NIC_MODE] == constants.NIC_MODE_BRIDGED:
|
857 | 503b97a9 | Guido Trotter | nic_str += ", bridge=%s" % nic.nicparams[constants.NIC_LINK]
|
858 | 0183a697 | Alessandro Cincaglini | vif_data.append("'%s'" % nic_str)
|
859 | 65a6f9b7 | Michael Hanselmann | |
860 | 65a6f9b7 | Michael Hanselmann | config.write("vif = [%s]\n" % ",".join(vif_data)) |
861 | 525011bc | Maciej Bliziński | |
862 | 525011bc | Maciej Bliziński | disk_data = cls._GetConfigFileDiskData(block_devices, |
863 | 525011bc | Maciej Bliziński | hvp[constants.HV_BLOCKDEV_PREFIX]) |
864 | 525011bc | Maciej Bliziński | |
865 | a985b417 | Iustin Pop | iso_path = hvp[constants.HV_CDROM_IMAGE_PATH] |
866 | f48148c3 | Iustin Pop | if iso_path:
|
867 | f48148c3 | Iustin Pop | iso = "'file:%s,hdc:cdrom,r'" % iso_path
|
868 | a21dda8b | Iustin Pop | disk_data.append(iso) |
869 | a21dda8b | Iustin Pop | |
870 | a21dda8b | Iustin Pop | config.write("disk = [%s]\n" % (",".join(disk_data))) |
871 | 87f0aa48 | Jack | # Add PCI passthrough
|
872 | 87f0aa48 | Jack | pci_pass_arr = [] |
873 | 87f0aa48 | Jack | pci_pass = hvp[constants.HV_PASSTHROUGH] |
874 | 87f0aa48 | Jack | if pci_pass:
|
875 | 3891c95e | Bernardo Dal Seno | pci_pass_arr = pci_pass.split(";")
|
876 | 3891c95e | Bernardo Dal Seno | config.write("pci = %s\n" % pci_pass_arr)
|
877 | 65a6f9b7 | Michael Hanselmann | config.write("on_poweroff = 'destroy'\n")
|
878 | 990ade2d | Stephen Shirley | if hvp[constants.HV_REBOOT_BEHAVIOR] == constants.INSTANCE_REBOOT_ALLOWED:
|
879 | 990ade2d | Stephen Shirley | config.write("on_reboot = 'restart'\n")
|
880 | 990ade2d | Stephen Shirley | else:
|
881 | 990ade2d | Stephen Shirley | config.write("on_reboot = 'destroy'\n")
|
882 | 65a6f9b7 | Michael Hanselmann | config.write("on_crash = 'restart'\n")
|
883 | 1a63f285 | Iustin Pop | cls._WriteConfigFileStatic(instance.name, config.getvalue()) |
884 | 73cd67f4 | Guido Trotter | |
885 | 65a6f9b7 | Michael Hanselmann | return True |