root / lib / hypervisor / hv_xen.py @ 6e043e60
History | View | Annotate | Download (29.8 kB)
1 | 65a6f9b7 | Michael Hanselmann | #
|
---|---|---|---|
2 | 65a6f9b7 | Michael Hanselmann | #
|
3 | 65a6f9b7 | Michael Hanselmann | |
4 | 1a63f285 | Iustin Pop | # Copyright (C) 2006, 2007, 2008, 2009, 2010, 2011, 2012 Google Inc.
|
5 | 65a6f9b7 | Michael Hanselmann | #
|
6 | 65a6f9b7 | Michael Hanselmann | # This program is free software; you can redistribute it and/or modify
|
7 | 65a6f9b7 | Michael Hanselmann | # it under the terms of the GNU General Public License as published by
|
8 | 65a6f9b7 | Michael Hanselmann | # the Free Software Foundation; either version 2 of the License, or
|
9 | 65a6f9b7 | Michael Hanselmann | # (at your option) any later version.
|
10 | 65a6f9b7 | Michael Hanselmann | #
|
11 | 65a6f9b7 | Michael Hanselmann | # This program is distributed in the hope that it will be useful, but
|
12 | 65a6f9b7 | Michael Hanselmann | # WITHOUT ANY WARRANTY; without even the implied warranty of
|
13 | 65a6f9b7 | Michael Hanselmann | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
14 | 65a6f9b7 | Michael Hanselmann | # General Public License for more details.
|
15 | 65a6f9b7 | Michael Hanselmann | #
|
16 | 65a6f9b7 | Michael Hanselmann | # You should have received a copy of the GNU General Public License
|
17 | 65a6f9b7 | Michael Hanselmann | # along with this program; if not, write to the Free Software
|
18 | 65a6f9b7 | Michael Hanselmann | # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
|
19 | 65a6f9b7 | Michael Hanselmann | # 02110-1301, USA.
|
20 | 65a6f9b7 | Michael Hanselmann | |
21 | 65a6f9b7 | Michael Hanselmann | |
22 | 65a6f9b7 | Michael Hanselmann | """Xen hypervisors
|
23 | 65a6f9b7 | Michael Hanselmann |
|
24 | 65a6f9b7 | Michael Hanselmann | """
|
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")
|
40 | a8e8c0c6 | Michael Hanselmann | XL_CONFIG_FILE = utils.PathJoin(pathutils.XEN_CONFIG_DIR, "xen/xl.conf")
|
41 | a8e8c0c6 | Michael Hanselmann | VIF_BRIDGE_SCRIPT = utils.PathJoin(pathutils.XEN_CONFIG_DIR, |
42 | a8e8c0c6 | Michael Hanselmann | "scripts/vif-bridge")
|
43 | 18bf85b1 | Michael Hanselmann | _DOM0_NAME = "Domain-0"
|
44 | 22d568c2 | Guido Trotter | |
45 | 22d568c2 | Guido Trotter | |
46 | a2d32034 | Michael Hanselmann | class XenHypervisor(hv_base.BaseHypervisor): |
47 | 65a6f9b7 | Michael Hanselmann | """Xen generic hypervisor interface
|
48 | 65a6f9b7 | Michael Hanselmann |
|
49 | 65a6f9b7 | Michael Hanselmann | This is the Xen base class used for both Xen PVM and HVM. It contains
|
50 | 65a6f9b7 | Michael Hanselmann | all the functionality that is identical for both.
|
51 | 65a6f9b7 | Michael Hanselmann |
|
52 | 65a6f9b7 | Michael Hanselmann | """
|
53 | d271c6fd | Iustin Pop | CAN_MIGRATE = True
|
54 | 7dd106d3 | Iustin Pop | REBOOT_RETRY_COUNT = 60
|
55 | 7dd106d3 | Iustin Pop | REBOOT_RETRY_INTERVAL = 10
|
56 | 65a6f9b7 | Michael Hanselmann | |
57 | 3680f662 | Guido Trotter | ANCILLARY_FILES = [ |
58 | 22d568c2 | Guido Trotter | XEND_CONFIG_FILE, |
59 | 22d568c2 | Guido Trotter | XL_CONFIG_FILE, |
60 | 22d568c2 | Guido Trotter | VIF_BRIDGE_SCRIPT, |
61 | 3680f662 | Guido Trotter | ] |
62 | 69ab2e12 | Guido Trotter | ANCILLARY_FILES_OPT = [ |
63 | 69ab2e12 | Guido Trotter | XL_CONFIG_FILE, |
64 | 3680f662 | Guido Trotter | ] |
65 | 3680f662 | Guido Trotter | |
66 | c2be2532 | Guido Trotter | @staticmethod
|
67 | c2be2532 | Guido Trotter | def _ConfigFileName(instance_name): |
68 | c2be2532 | Guido Trotter | """Get the config file name for an instance.
|
69 | c2be2532 | Guido Trotter |
|
70 | c2be2532 | Guido Trotter | @param instance_name: instance name
|
71 | c2be2532 | Guido Trotter | @type instance_name: str
|
72 | c2be2532 | Guido Trotter | @return: fully qualified path to instance config file
|
73 | c2be2532 | Guido Trotter | @rtype: str
|
74 | c2be2532 | Guido Trotter |
|
75 | c2be2532 | Guido Trotter | """
|
76 | a8e8c0c6 | Michael Hanselmann | return utils.PathJoin(pathutils.XEN_CONFIG_DIR, instance_name)
|
77 | c2be2532 | Guido Trotter | |
78 | 5661b908 | Iustin Pop | @classmethod
|
79 | 61eb1a46 | Guido Trotter | def _WriteConfigFile(cls, instance, startup_memory, block_devices): |
80 | 65a6f9b7 | Michael Hanselmann | """Write the Xen config file for the instance.
|
81 | 65a6f9b7 | Michael Hanselmann |
|
82 | 65a6f9b7 | Michael Hanselmann | """
|
83 | 65a6f9b7 | Michael Hanselmann | raise NotImplementedError |
84 | 65a6f9b7 | Michael Hanselmann | |
85 | 65a6f9b7 | Michael Hanselmann | @staticmethod
|
86 | 4390ccff | Guido Trotter | def _WriteConfigFileStatic(instance_name, data): |
87 | 4390ccff | Guido Trotter | """Write the Xen config file for the instance.
|
88 | 4390ccff | Guido Trotter |
|
89 | 4390ccff | Guido Trotter | This version of the function just writes the config file from static data.
|
90 | 4390ccff | Guido Trotter |
|
91 | 4390ccff | Guido Trotter | """
|
92 | 1a63f285 | Iustin Pop | # just in case it exists
|
93 | a8e8c0c6 | Michael Hanselmann | utils.RemoveFile(utils.PathJoin(pathutils.XEN_CONFIG_DIR, "auto",
|
94 | a8e8c0c6 | Michael Hanselmann | instance_name)) |
95 | a8e8c0c6 | Michael Hanselmann | |
96 | 1a63f285 | Iustin Pop | cfg_file = XenHypervisor._ConfigFileName(instance_name) |
97 | 1a63f285 | Iustin Pop | try:
|
98 | 1a63f285 | Iustin Pop | utils.WriteFile(cfg_file, data=data) |
99 | 1a63f285 | Iustin Pop | except EnvironmentError, err: |
100 | 1a63f285 | Iustin Pop | raise errors.HypervisorError("Cannot write Xen instance configuration" |
101 | 1a63f285 | Iustin Pop | " file %s: %s" % (cfg_file, err))
|
102 | 4390ccff | Guido Trotter | |
103 | 4390ccff | Guido Trotter | @staticmethod
|
104 | 4390ccff | Guido Trotter | def _ReadConfigFile(instance_name): |
105 | 4390ccff | Guido Trotter | """Returns the contents of the instance config file.
|
106 | 4390ccff | Guido Trotter |
|
107 | 4390ccff | Guido Trotter | """
|
108 | 4390ccff | Guido Trotter | try:
|
109 | c2be2532 | Guido Trotter | file_content = utils.ReadFile( |
110 | c2be2532 | Guido Trotter | XenHypervisor._ConfigFileName(instance_name)) |
111 | 4390ccff | Guido Trotter | except EnvironmentError, err: |
112 | 4390ccff | Guido Trotter | raise errors.HypervisorError("Failed to load Xen config file: %s" % err) |
113 | 4390ccff | Guido Trotter | return file_content
|
114 | 4390ccff | Guido Trotter | |
115 | 4390ccff | Guido Trotter | @staticmethod
|
116 | 53c776b5 | Iustin Pop | def _RemoveConfigFile(instance_name): |
117 | 65a6f9b7 | Michael Hanselmann | """Remove the xen configuration file.
|
118 | 65a6f9b7 | Michael Hanselmann |
|
119 | 65a6f9b7 | Michael Hanselmann | """
|
120 | c2be2532 | Guido Trotter | utils.RemoveFile(XenHypervisor._ConfigFileName(instance_name)) |
121 | 65a6f9b7 | Michael Hanselmann | |
122 | c4708267 | Tsachy Shacham | @classmethod
|
123 | c4708267 | Tsachy Shacham | def _CreateConfigCpus(cls, cpu_mask): |
124 | c4708267 | Tsachy Shacham | """Create a CPU config string that's compatible with Xen's
|
125 | c4708267 | Tsachy Shacham | configuration file.
|
126 | c4708267 | Tsachy Shacham |
|
127 | c4708267 | Tsachy Shacham | """
|
128 | c4708267 | Tsachy Shacham | # Convert the string CPU mask to a list of list of int's
|
129 | c4708267 | Tsachy Shacham | cpu_list = utils.ParseMultiCpuMask(cpu_mask) |
130 | c4708267 | Tsachy Shacham | |
131 | c4708267 | Tsachy Shacham | if len(cpu_list) == 1: |
132 | c4708267 | Tsachy Shacham | all_cpu_mapping = cpu_list[0]
|
133 | 5b43cc23 | Tsachy Shacham | if all_cpu_mapping == constants.CPU_PINNING_OFF:
|
134 | c4708267 | Tsachy Shacham | # If CPU pinning has 1 entry that's "all", then remove the
|
135 | c4708267 | Tsachy Shacham | # parameter from the config file
|
136 | c4708267 | Tsachy Shacham | return None |
137 | c4708267 | Tsachy Shacham | else:
|
138 | c4708267 | Tsachy Shacham | # If CPU pinning has one non-all entry, mapping all vCPUS (the entire
|
139 | c4708267 | Tsachy Shacham | # VM) to one physical CPU, using format 'cpu = "C"'
|
140 | c4708267 | Tsachy Shacham | return "cpu = \"%s\"" % ",".join(map(str, all_cpu_mapping)) |
141 | c4708267 | Tsachy Shacham | else:
|
142 | 3c286190 | Dimitris Aragiorgis | |
143 | c4708267 | Tsachy Shacham | def _GetCPUMap(vcpu): |
144 | c4708267 | Tsachy Shacham | if vcpu[0] == constants.CPU_PINNING_ALL_VAL: |
145 | c4708267 | Tsachy Shacham | cpu_map = constants.CPU_PINNING_ALL_XEN |
146 | c4708267 | Tsachy Shacham | else:
|
147 | c4708267 | Tsachy Shacham | cpu_map = ",".join(map(str, vcpu)) |
148 | c4708267 | Tsachy Shacham | return "\"%s\"" % cpu_map |
149 | c4708267 | Tsachy Shacham | |
150 | c4708267 | Tsachy Shacham | # build the result string in format 'cpus = [ "c", "c", "c" ]',
|
151 | c4708267 | Tsachy Shacham | # where each c is a physical CPU number, a range, a list, or any
|
152 | c4708267 | Tsachy Shacham | # combination
|
153 | c4708267 | Tsachy Shacham | return "cpus = [ %s ]" % ", ".join(map(_GetCPUMap, cpu_list)) |
154 | c4708267 | Tsachy Shacham | |
155 | 65a6f9b7 | Michael Hanselmann | @staticmethod
|
156 | 06b78e8b | Michael Hanselmann | def _RunXmList(xmlist_errors): |
157 | 06b78e8b | Michael Hanselmann | """Helper function for L{_GetXMList} to run "xm list".
|
158 | 06b78e8b | Michael Hanselmann |
|
159 | 06b78e8b | Michael Hanselmann | """
|
160 | 2876c2d6 | Guido Trotter | result = utils.RunCmd([constants.XEN_CMD, "list"])
|
161 | 06b78e8b | Michael Hanselmann | if result.failed:
|
162 | 06b78e8b | Michael Hanselmann | logging.error("xm list failed (%s): %s", result.fail_reason,
|
163 | 06b78e8b | Michael Hanselmann | result.output) |
164 | 06b78e8b | Michael Hanselmann | xmlist_errors.append(result) |
165 | 06b78e8b | Michael Hanselmann | raise utils.RetryAgain()
|
166 | 06b78e8b | Michael Hanselmann | |
167 | 06b78e8b | Michael Hanselmann | # skip over the heading
|
168 | 06b78e8b | Michael Hanselmann | return result.stdout.splitlines()[1:] |
169 | 06b78e8b | Michael Hanselmann | |
170 | 06b78e8b | Michael Hanselmann | @classmethod
|
171 | 06b78e8b | Michael Hanselmann | def _GetXMList(cls, include_node): |
172 | 65a6f9b7 | Michael Hanselmann | """Return the list of running instances.
|
173 | 65a6f9b7 | Michael Hanselmann |
|
174 | c41eea6e | Iustin Pop | If the include_node argument is True, then we return information
|
175 | 65a6f9b7 | Michael Hanselmann | for dom0 also, otherwise we filter that from the return value.
|
176 | 65a6f9b7 | Michael Hanselmann |
|
177 | c41eea6e | Iustin Pop | @return: list of (name, id, memory, vcpus, state, time spent)
|
178 | 65a6f9b7 | Michael Hanselmann |
|
179 | 65a6f9b7 | Michael Hanselmann | """
|
180 | 06b78e8b | Michael Hanselmann | xmlist_errors = [] |
181 | 06b78e8b | Michael Hanselmann | try:
|
182 | 06b78e8b | Michael Hanselmann | lines = utils.Retry(cls._RunXmList, 1, 5, args=(xmlist_errors, )) |
183 | 06b78e8b | Michael Hanselmann | except utils.RetryTimeout:
|
184 | 06b78e8b | Michael Hanselmann | if xmlist_errors:
|
185 | 06b78e8b | Michael Hanselmann | xmlist_result = xmlist_errors.pop() |
186 | 65a6f9b7 | Michael Hanselmann | |
187 | 06b78e8b | Michael Hanselmann | errmsg = ("xm list failed, timeout exceeded (%s): %s" %
|
188 | 06b78e8b | Michael Hanselmann | (xmlist_result.fail_reason, xmlist_result.output)) |
189 | 06b78e8b | Michael Hanselmann | else:
|
190 | 06b78e8b | Michael Hanselmann | errmsg = "xm list failed"
|
191 | 06b78e8b | Michael Hanselmann | |
192 | 06b78e8b | Michael Hanselmann | raise errors.HypervisorError(errmsg)
|
193 | 65a6f9b7 | Michael Hanselmann | |
194 | 65a6f9b7 | Michael Hanselmann | result = [] |
195 | 65a6f9b7 | Michael Hanselmann | for line in lines: |
196 | 65a6f9b7 | Michael Hanselmann | # The format of lines is:
|
197 | 65a6f9b7 | Michael Hanselmann | # Name ID Mem(MiB) VCPUs State Time(s)
|
198 | 65a6f9b7 | Michael Hanselmann | # Domain-0 0 3418 4 r----- 266.2
|
199 | 65a6f9b7 | Michael Hanselmann | data = line.split() |
200 | 65a6f9b7 | Michael Hanselmann | if len(data) != 6: |
201 | 65a6f9b7 | Michael Hanselmann | raise errors.HypervisorError("Can't parse output of xm list," |
202 | 65a6f9b7 | Michael Hanselmann | " line: %s" % line)
|
203 | 65a6f9b7 | Michael Hanselmann | try:
|
204 | 65a6f9b7 | Michael Hanselmann | data[1] = int(data[1]) |
205 | 65a6f9b7 | Michael Hanselmann | data[2] = int(data[2]) |
206 | 65a6f9b7 | Michael Hanselmann | data[3] = int(data[3]) |
207 | 65a6f9b7 | Michael Hanselmann | data[5] = float(data[5]) |
208 | 691744c4 | Iustin Pop | except (TypeError, ValueError), err: |
209 | 65a6f9b7 | Michael Hanselmann | raise errors.HypervisorError("Can't parse output of xm list," |
210 | 65a6f9b7 | Michael Hanselmann | " line: %s, error: %s" % (line, err))
|
211 | 65a6f9b7 | Michael Hanselmann | |
212 | 65a6f9b7 | Michael Hanselmann | # skip the Domain-0 (optional)
|
213 | 18bf85b1 | Michael Hanselmann | if include_node or data[0] != _DOM0_NAME: |
214 | 65a6f9b7 | Michael Hanselmann | result.append(data) |
215 | 65a6f9b7 | Michael Hanselmann | |
216 | 65a6f9b7 | Michael Hanselmann | return result
|
217 | 65a6f9b7 | Michael Hanselmann | |
218 | 65a6f9b7 | Michael Hanselmann | def ListInstances(self): |
219 | 65a6f9b7 | Michael Hanselmann | """Get the list of running instances.
|
220 | 65a6f9b7 | Michael Hanselmann |
|
221 | 65a6f9b7 | Michael Hanselmann | """
|
222 | 65a6f9b7 | Michael Hanselmann | xm_list = self._GetXMList(False) |
223 | 65a6f9b7 | Michael Hanselmann | names = [info[0] for info in xm_list] |
224 | 65a6f9b7 | Michael Hanselmann | return names
|
225 | 65a6f9b7 | Michael Hanselmann | |
226 | 65a6f9b7 | Michael Hanselmann | def GetInstanceInfo(self, instance_name): |
227 | 65a6f9b7 | Michael Hanselmann | """Get instance properties.
|
228 | 65a6f9b7 | Michael Hanselmann |
|
229 | c41eea6e | Iustin Pop | @param instance_name: the instance name
|
230 | c41eea6e | Iustin Pop |
|
231 | c41eea6e | Iustin Pop | @return: tuple (name, id, memory, vcpus, stat, times)
|
232 | 65a6f9b7 | Michael Hanselmann |
|
233 | 65a6f9b7 | Michael Hanselmann | """
|
234 | 18bf85b1 | Michael Hanselmann | xm_list = self._GetXMList(instance_name == _DOM0_NAME)
|
235 | 65a6f9b7 | Michael Hanselmann | result = None
|
236 | 65a6f9b7 | Michael Hanselmann | for data in xm_list: |
237 | 65a6f9b7 | Michael Hanselmann | if data[0] == instance_name: |
238 | 65a6f9b7 | Michael Hanselmann | result = data |
239 | 65a6f9b7 | Michael Hanselmann | break
|
240 | 65a6f9b7 | Michael Hanselmann | return result
|
241 | 65a6f9b7 | Michael Hanselmann | |
242 | 65a6f9b7 | Michael Hanselmann | def GetAllInstancesInfo(self): |
243 | 65a6f9b7 | Michael Hanselmann | """Get properties of all instances.
|
244 | 65a6f9b7 | Michael Hanselmann |
|
245 | c41eea6e | Iustin Pop | @return: list of tuples (name, id, memory, vcpus, stat, times)
|
246 | c41eea6e | Iustin Pop |
|
247 | 65a6f9b7 | Michael Hanselmann | """
|
248 | 65a6f9b7 | Michael Hanselmann | xm_list = self._GetXMList(False) |
249 | 65a6f9b7 | Michael Hanselmann | return xm_list
|
250 | 65a6f9b7 | Michael Hanselmann | |
251 | 323f9095 | Stephen Shirley | def StartInstance(self, instance, block_devices, startup_paused): |
252 | c41eea6e | Iustin Pop | """Start an instance.
|
253 | c41eea6e | Iustin Pop |
|
254 | c41eea6e | Iustin Pop | """
|
255 | 61eb1a46 | Guido Trotter | startup_memory = self._InstanceStartupMemory(instance)
|
256 | 61eb1a46 | Guido Trotter | self._WriteConfigFile(instance, startup_memory, block_devices)
|
257 | 2876c2d6 | Guido Trotter | cmd = [constants.XEN_CMD, "create"]
|
258 | 323f9095 | Stephen Shirley | if startup_paused:
|
259 | 6555373d | Guido Trotter | cmd.extend(["-p"])
|
260 | 6555373d | Guido Trotter | cmd.extend([self._ConfigFileName(instance.name)])
|
261 | 323f9095 | Stephen Shirley | result = utils.RunCmd(cmd) |
262 | 65a6f9b7 | Michael Hanselmann | |
263 | 65a6f9b7 | Michael Hanselmann | if result.failed:
|
264 | 65a6f9b7 | Michael Hanselmann | raise errors.HypervisorError("Failed to start instance %s: %s (%s)" % |
265 | 65a6f9b7 | Michael Hanselmann | (instance.name, result.fail_reason, |
266 | 65a6f9b7 | Michael Hanselmann | result.output)) |
267 | 65a6f9b7 | Michael Hanselmann | |
268 | bbcf7ad0 | Iustin Pop | def StopInstance(self, instance, force=False, retry=False, name=None): |
269 | c41eea6e | Iustin Pop | """Stop an instance.
|
270 | c41eea6e | Iustin Pop |
|
271 | c41eea6e | Iustin Pop | """
|
272 | bbcf7ad0 | Iustin Pop | if name is None: |
273 | bbcf7ad0 | Iustin Pop | name = instance.name |
274 | bbcf7ad0 | Iustin Pop | self._RemoveConfigFile(name)
|
275 | 65a6f9b7 | Michael Hanselmann | if force:
|
276 | 2876c2d6 | Guido Trotter | command = [constants.XEN_CMD, "destroy", name]
|
277 | 65a6f9b7 | Michael Hanselmann | else:
|
278 | 2876c2d6 | Guido Trotter | command = [constants.XEN_CMD, "shutdown", name]
|
279 | 65a6f9b7 | Michael Hanselmann | result = utils.RunCmd(command) |
280 | 65a6f9b7 | Michael Hanselmann | |
281 | 65a6f9b7 | Michael Hanselmann | if result.failed:
|
282 | 3213d3c8 | Iustin Pop | raise errors.HypervisorError("Failed to stop instance %s: %s, %s" % |
283 | bbcf7ad0 | Iustin Pop | (name, result.fail_reason, result.output)) |
284 | 65a6f9b7 | Michael Hanselmann | |
285 | 65a6f9b7 | Michael Hanselmann | def RebootInstance(self, instance): |
286 | c41eea6e | Iustin Pop | """Reboot an instance.
|
287 | c41eea6e | Iustin Pop |
|
288 | c41eea6e | Iustin Pop | """
|
289 | 7dd106d3 | Iustin Pop | ini_info = self.GetInstanceInfo(instance.name)
|
290 | 65a6f9b7 | Michael Hanselmann | |
291 | e0561198 | Iustin Pop | if ini_info is None: |
292 | e0561198 | Iustin Pop | raise errors.HypervisorError("Failed to reboot instance %s," |
293 | e0561198 | Iustin Pop | " not running" % instance.name)
|
294 | e0561198 | Iustin Pop | |
295 | 2876c2d6 | Guido Trotter | result = utils.RunCmd([constants.XEN_CMD, "reboot", instance.name])
|
296 | 65a6f9b7 | Michael Hanselmann | if result.failed:
|
297 | 3213d3c8 | Iustin Pop | raise errors.HypervisorError("Failed to reboot instance %s: %s, %s" % |
298 | 3213d3c8 | Iustin Pop | (instance.name, result.fail_reason, |
299 | 3213d3c8 | Iustin Pop | result.output)) |
300 | 06b78e8b | Michael Hanselmann | |
301 | 06b78e8b | Michael Hanselmann | def _CheckInstance(): |
302 | 7dd106d3 | Iustin Pop | new_info = self.GetInstanceInfo(instance.name)
|
303 | 06b78e8b | Michael Hanselmann | |
304 | 06b78e8b | Michael Hanselmann | # check if the domain ID has changed or the run time has decreased
|
305 | e0561198 | Iustin Pop | if (new_info is not None and |
306 | e0561198 | Iustin Pop | (new_info[1] != ini_info[1] or new_info[5] < ini_info[5])): |
307 | 06b78e8b | Michael Hanselmann | return
|
308 | 7dd106d3 | Iustin Pop | |
309 | 06b78e8b | Michael Hanselmann | raise utils.RetryAgain()
|
310 | 06b78e8b | Michael Hanselmann | |
311 | 06b78e8b | Michael Hanselmann | try:
|
312 | 06b78e8b | Michael Hanselmann | utils.Retry(_CheckInstance, self.REBOOT_RETRY_INTERVAL,
|
313 | 06b78e8b | Michael Hanselmann | self.REBOOT_RETRY_INTERVAL * self.REBOOT_RETRY_COUNT) |
314 | 06b78e8b | Michael Hanselmann | except utils.RetryTimeout:
|
315 | 7dd106d3 | Iustin Pop | raise errors.HypervisorError("Failed to reboot instance %s: instance" |
316 | 7dd106d3 | Iustin Pop | " did not reboot in the expected interval" %
|
317 | 7dd106d3 | Iustin Pop | (instance.name, )) |
318 | 65a6f9b7 | Michael Hanselmann | |
319 | 2c7a0373 | Guido Trotter | def BalloonInstanceMemory(self, instance, mem): |
320 | 2c7a0373 | Guido Trotter | """Balloon an instance memory to a certain value.
|
321 | 2c7a0373 | Guido Trotter |
|
322 | 2c7a0373 | Guido Trotter | @type instance: L{objects.Instance}
|
323 | 2c7a0373 | Guido Trotter | @param instance: instance to be accepted
|
324 | 2c7a0373 | Guido Trotter | @type mem: int
|
325 | 2c7a0373 | Guido Trotter | @param mem: actual memory size to use for instance runtime
|
326 | 2c7a0373 | Guido Trotter |
|
327 | 2c7a0373 | Guido Trotter | """
|
328 | 2c7a0373 | Guido Trotter | cmd = [constants.XEN_CMD, "mem-set", instance.name, mem]
|
329 | 2c7a0373 | Guido Trotter | result = utils.RunCmd(cmd) |
330 | 2c7a0373 | Guido Trotter | if result.failed:
|
331 | 2c7a0373 | Guido Trotter | raise errors.HypervisorError("Failed to balloon instance %s: %s (%s)" % |
332 | 2c7a0373 | Guido Trotter | (instance.name, result.fail_reason, |
333 | 2c7a0373 | Guido Trotter | result.output)) |
334 | 2c7a0373 | Guido Trotter | cmd = ["sed", "-ie", "s/^memory.*$/memory = %s/" % mem] |
335 | 2c7a0373 | Guido Trotter | cmd.append(XenHypervisor._ConfigFileName(instance.name)) |
336 | 2c7a0373 | Guido Trotter | result = utils.RunCmd(cmd) |
337 | 2c7a0373 | Guido Trotter | if result.failed:
|
338 | 2c7a0373 | Guido Trotter | raise errors.HypervisorError("Failed to update memory for %s: %s (%s)" % |
339 | 2c7a0373 | Guido Trotter | (instance.name, result.fail_reason, |
340 | 2c7a0373 | Guido Trotter | result.output)) |
341 | 2c7a0373 | Guido Trotter | |
342 | 65a6f9b7 | Michael Hanselmann | def GetNodeInfo(self): |
343 | 65a6f9b7 | Michael Hanselmann | """Return information about the node.
|
344 | 65a6f9b7 | Michael Hanselmann |
|
345 | 0105bad3 | Iustin Pop | @return: a dict with the following keys (memory values in MiB):
|
346 | c41eea6e | Iustin Pop | - memory_total: the total memory size on the node
|
347 | c41eea6e | Iustin Pop | - memory_free: the available memory on the node for instances
|
348 | c41eea6e | Iustin Pop | - memory_dom0: the memory used by the node itself, if available
|
349 | 0105bad3 | Iustin Pop | - nr_cpus: total number of CPUs
|
350 | 0105bad3 | Iustin Pop | - nr_nodes: in a NUMA system, the number of domains
|
351 | 0105bad3 | Iustin Pop | - nr_sockets: the number of physical CPU sockets in the node
|
352 | 34fbc862 | Andrea Spadaccini | - hv_version: the hypervisor version in the form (major, minor)
|
353 | 65a6f9b7 | Michael Hanselmann |
|
354 | 65a6f9b7 | Michael Hanselmann | """
|
355 | 2876c2d6 | Guido Trotter | result = utils.RunCmd([constants.XEN_CMD, "info"])
|
356 | 65a6f9b7 | Michael Hanselmann | if result.failed:
|
357 | b48909c8 | Iustin Pop | logging.error("Can't run 'xm info' (%s): %s", result.fail_reason,
|
358 | b48909c8 | Iustin Pop | result.output) |
359 | 65a6f9b7 | Michael Hanselmann | return None |
360 | 65a6f9b7 | Michael Hanselmann | |
361 | 65a6f9b7 | Michael Hanselmann | xmoutput = result.stdout.splitlines() |
362 | 65a6f9b7 | Michael Hanselmann | result = {} |
363 | 0105bad3 | Iustin Pop | cores_per_socket = threads_per_core = nr_cpus = None
|
364 | 34fbc862 | Andrea Spadaccini | xen_major, xen_minor = None, None |
365 | 16ca6243 | Michael Hanselmann | memory_total = None
|
366 | 16ca6243 | Michael Hanselmann | memory_free = None
|
367 | 16ca6243 | Michael Hanselmann | |
368 | 65a6f9b7 | Michael Hanselmann | for line in xmoutput: |
369 | 65a6f9b7 | Michael Hanselmann | splitfields = line.split(":", 1) |
370 | 65a6f9b7 | Michael Hanselmann | |
371 | 65a6f9b7 | Michael Hanselmann | if len(splitfields) > 1: |
372 | 65a6f9b7 | Michael Hanselmann | key = splitfields[0].strip()
|
373 | 65a6f9b7 | Michael Hanselmann | val = splitfields[1].strip()
|
374 | 16ca6243 | Michael Hanselmann | |
375 | 16ca6243 | Michael Hanselmann | # note: in xen 3, memory has changed to total_memory
|
376 | d0c8c01d | Iustin Pop | if key == "memory" or key == "total_memory": |
377 | 16ca6243 | Michael Hanselmann | memory_total = int(val)
|
378 | d0c8c01d | Iustin Pop | elif key == "free_memory": |
379 | 16ca6243 | Michael Hanselmann | memory_free = int(val)
|
380 | d0c8c01d | Iustin Pop | elif key == "nr_cpus": |
381 | d0c8c01d | Iustin Pop | nr_cpus = result["cpu_total"] = int(val) |
382 | d0c8c01d | Iustin Pop | elif key == "nr_nodes": |
383 | d0c8c01d | Iustin Pop | result["cpu_nodes"] = int(val) |
384 | d0c8c01d | Iustin Pop | elif key == "cores_per_socket": |
385 | 0105bad3 | Iustin Pop | cores_per_socket = int(val)
|
386 | d0c8c01d | Iustin Pop | elif key == "threads_per_core": |
387 | 0105bad3 | Iustin Pop | threads_per_core = int(val)
|
388 | 34fbc862 | Andrea Spadaccini | elif key == "xen_major": |
389 | 34fbc862 | Andrea Spadaccini | xen_major = int(val)
|
390 | 34fbc862 | Andrea Spadaccini | elif key == "xen_minor": |
391 | 34fbc862 | Andrea Spadaccini | xen_minor = int(val)
|
392 | 0105bad3 | Iustin Pop | |
393 | 16ca6243 | Michael Hanselmann | if None not in [cores_per_socket, threads_per_core, nr_cpus]: |
394 | d0c8c01d | Iustin Pop | result["cpu_sockets"] = nr_cpus / (cores_per_socket * threads_per_core)
|
395 | 0105bad3 | Iustin Pop | |
396 | 16ca6243 | Michael Hanselmann | total_instmem = 0
|
397 | 16ca6243 | Michael Hanselmann | for (name, _, mem, vcpus, _, _) in self._GetXMList(True): |
398 | 16ca6243 | Michael Hanselmann | if name == _DOM0_NAME:
|
399 | 16ca6243 | Michael Hanselmann | result["memory_dom0"] = mem
|
400 | 16ca6243 | Michael Hanselmann | result["dom0_cpus"] = vcpus
|
401 | 16ca6243 | Michael Hanselmann | |
402 | 16ca6243 | Michael Hanselmann | # Include Dom0 in total memory usage
|
403 | 16ca6243 | Michael Hanselmann | total_instmem += mem |
404 | 16ca6243 | Michael Hanselmann | |
405 | 16ca6243 | Michael Hanselmann | if memory_free is not None: |
406 | 16ca6243 | Michael Hanselmann | result["memory_free"] = memory_free
|
407 | 16ca6243 | Michael Hanselmann | |
408 | 16ca6243 | Michael Hanselmann | if memory_total is not None: |
409 | 16ca6243 | Michael Hanselmann | result["memory_total"] = memory_total
|
410 | 16ca6243 | Michael Hanselmann | |
411 | 16ca6243 | Michael Hanselmann | # Calculate memory used by hypervisor
|
412 | 16ca6243 | Michael Hanselmann | if None not in [memory_total, memory_free, total_instmem]: |
413 | 16ca6243 | Michael Hanselmann | result["memory_hv"] = memory_total - memory_free - total_instmem
|
414 | 65a6f9b7 | Michael Hanselmann | |
415 | 34fbc862 | Andrea Spadaccini | if not (xen_major is None or xen_minor is None): |
416 | 34fbc862 | Andrea Spadaccini | result[constants.HV_NODEINFO_KEY_VERSION] = (xen_major, xen_minor) |
417 | 34fbc862 | Andrea Spadaccini | |
418 | 65a6f9b7 | Michael Hanselmann | return result
|
419 | 65a6f9b7 | Michael Hanselmann | |
420 | 637ce7f9 | Guido Trotter | @classmethod
|
421 | 55cc0a44 | Michael Hanselmann | def GetInstanceConsole(cls, instance, hvparams, beparams): |
422 | 65a6f9b7 | Michael Hanselmann | """Return a command for connecting to the console of an instance.
|
423 | 65a6f9b7 | Michael Hanselmann |
|
424 | 65a6f9b7 | Michael Hanselmann | """
|
425 | 55cc0a44 | Michael Hanselmann | return objects.InstanceConsole(instance=instance.name,
|
426 | 55cc0a44 | Michael Hanselmann | kind=constants.CONS_SSH, |
427 | 55cc0a44 | Michael Hanselmann | host=instance.primary_node, |
428 | 052783ff | Michael Hanselmann | user=constants.SSH_CONSOLE_USER, |
429 | b9612abb | Iustin Pop | command=[pathutils.XEN_CONSOLE_WRAPPER, |
430 | 1f5557ca | Guido Trotter | constants.XEN_CMD, instance.name]) |
431 | 65a6f9b7 | Michael Hanselmann | |
432 | 65a6f9b7 | Michael Hanselmann | def Verify(self): |
433 | 65a6f9b7 | Michael Hanselmann | """Verify the hypervisor.
|
434 | 65a6f9b7 | Michael Hanselmann |
|
435 | 65a6f9b7 | Michael Hanselmann | For Xen, this verifies that the xend process is running.
|
436 | 65a6f9b7 | Michael Hanselmann |
|
437 | 65a6f9b7 | Michael Hanselmann | """
|
438 | 2876c2d6 | Guido Trotter | result = utils.RunCmd([constants.XEN_CMD, "info"])
|
439 | e3e66f02 | Michael Hanselmann | if result.failed:
|
440 | 3213d3c8 | Iustin Pop | return "'xm info' failed: %s, %s" % (result.fail_reason, result.output) |
441 | 65a6f9b7 | Michael Hanselmann | |
442 | 65a6f9b7 | Michael Hanselmann | @staticmethod
|
443 | 525011bc | Maciej Bliziński | def _GetConfigFileDiskData(block_devices, blockdev_prefix): |
444 | 65a6f9b7 | Michael Hanselmann | """Get disk directive for xen config file.
|
445 | 65a6f9b7 | Michael Hanselmann |
|
446 | 65a6f9b7 | Michael Hanselmann | This method builds the xen config disk directive according to the
|
447 | 65a6f9b7 | Michael Hanselmann | given disk_template and block_devices.
|
448 | 65a6f9b7 | Michael Hanselmann |
|
449 | c41eea6e | Iustin Pop | @param block_devices: list of tuples (cfdev, rldev):
|
450 | c41eea6e | Iustin Pop | - cfdev: dict containing ganeti config disk part
|
451 | c41eea6e | Iustin Pop | - rldev: ganeti.bdev.BlockDev object
|
452 | 525011bc | Maciej Bliziński | @param blockdev_prefix: a string containing blockdevice prefix,
|
453 | 525011bc | Maciej Bliziński | e.g. "sd" for /dev/sda
|
454 | 65a6f9b7 | Michael Hanselmann |
|
455 | c41eea6e | Iustin Pop | @return: string containing disk directive for xen instance config file
|
456 | 65a6f9b7 | Michael Hanselmann |
|
457 | 65a6f9b7 | Michael Hanselmann | """
|
458 | 65a6f9b7 | Michael Hanselmann | FILE_DRIVER_MAP = { |
459 | 65a6f9b7 | Michael Hanselmann | constants.FD_LOOP: "file",
|
460 | 65a6f9b7 | Michael Hanselmann | constants.FD_BLKTAP: "tap:aio",
|
461 | 65a6f9b7 | Michael Hanselmann | } |
462 | 65a6f9b7 | Michael Hanselmann | disk_data = [] |
463 | 2864f2d9 | Iustin Pop | if len(block_devices) > 24: |
464 | 2864f2d9 | Iustin Pop | # 'z' - 'a' = 24
|
465 | 2864f2d9 | Iustin Pop | raise errors.HypervisorError("Too many disks") |
466 | d0c8c01d | Iustin Pop | namespace = [blockdev_prefix + chr(i + ord("a")) for i in range(24)] |
467 | 069cfbf1 | Iustin Pop | for sd_name, (cfdev, dev_path) in zip(namespace, block_devices): |
468 | d34b16d7 | Iustin Pop | if cfdev.mode == constants.DISK_RDWR:
|
469 | d34b16d7 | Iustin Pop | mode = "w"
|
470 | d34b16d7 | Iustin Pop | else:
|
471 | d34b16d7 | Iustin Pop | mode = "r"
|
472 | 65a6f9b7 | Michael Hanselmann | if cfdev.dev_type == constants.LD_FILE:
|
473 | d34b16d7 | Iustin Pop | line = "'%s:%s,%s,%s'" % (FILE_DRIVER_MAP[cfdev.physical_id[0]], |
474 | d34b16d7 | Iustin Pop | dev_path, sd_name, mode) |
475 | 65a6f9b7 | Michael Hanselmann | else:
|
476 | d34b16d7 | Iustin Pop | line = "'phy:%s,%s,%s'" % (dev_path, sd_name, mode)
|
477 | 65a6f9b7 | Michael Hanselmann | disk_data.append(line) |
478 | 65a6f9b7 | Michael Hanselmann | |
479 | 65a6f9b7 | Michael Hanselmann | return disk_data
|
480 | 65a6f9b7 | Michael Hanselmann | |
481 | 4390ccff | Guido Trotter | def MigrationInfo(self, instance): |
482 | 4390ccff | Guido Trotter | """Get instance information to perform a migration.
|
483 | 4390ccff | Guido Trotter |
|
484 | 4390ccff | Guido Trotter | @type instance: L{objects.Instance}
|
485 | 4390ccff | Guido Trotter | @param instance: instance to be migrated
|
486 | 4390ccff | Guido Trotter | @rtype: string
|
487 | 4390ccff | Guido Trotter | @return: content of the xen config file
|
488 | 4390ccff | Guido Trotter |
|
489 | 4390ccff | Guido Trotter | """
|
490 | 4390ccff | Guido Trotter | return self._ReadConfigFile(instance.name) |
491 | 4390ccff | Guido Trotter | |
492 | 4390ccff | Guido Trotter | def AcceptInstance(self, instance, info, target): |
493 | 4390ccff | Guido Trotter | """Prepare to accept an instance.
|
494 | 4390ccff | Guido Trotter |
|
495 | 4390ccff | Guido Trotter | @type instance: L{objects.Instance}
|
496 | 4390ccff | Guido Trotter | @param instance: instance to be accepted
|
497 | 4390ccff | Guido Trotter | @type info: string
|
498 | 4390ccff | Guido Trotter | @param info: content of the xen config file on the source node
|
499 | 4390ccff | Guido Trotter | @type target: string
|
500 | 4390ccff | Guido Trotter | @param target: target host (usually ip), on this node
|
501 | 4390ccff | Guido Trotter |
|
502 | 4390ccff | Guido Trotter | """
|
503 | 4390ccff | Guido Trotter | pass
|
504 | 4390ccff | Guido Trotter | |
505 | 60af751d | Andrea Spadaccini | def FinalizeMigrationDst(self, instance, info, success): |
506 | 4390ccff | Guido Trotter | """Finalize an instance migration.
|
507 | 4390ccff | Guido Trotter |
|
508 | 4390ccff | Guido Trotter | After a successful migration we write the xen config file.
|
509 | 4390ccff | Guido Trotter | We do nothing on a failure, as we did not change anything at accept time.
|
510 | 4390ccff | Guido Trotter |
|
511 | 4390ccff | Guido Trotter | @type instance: L{objects.Instance}
|
512 | fea922fa | Guido Trotter | @param instance: instance whose migration is being finalized
|
513 | 4390ccff | Guido Trotter | @type info: string
|
514 | 4390ccff | Guido Trotter | @param info: content of the xen config file on the source node
|
515 | 4390ccff | Guido Trotter | @type success: boolean
|
516 | 4390ccff | Guido Trotter | @param success: whether the migration was a success or a failure
|
517 | 4390ccff | Guido Trotter |
|
518 | 4390ccff | Guido Trotter | """
|
519 | 4390ccff | Guido Trotter | if success:
|
520 | 4390ccff | Guido Trotter | self._WriteConfigFileStatic(instance.name, info)
|
521 | 4390ccff | Guido Trotter | |
522 | 6e7275c0 | Iustin Pop | def MigrateInstance(self, instance, target, live): |
523 | 6e7275c0 | Iustin Pop | """Migrate an instance to a target node.
|
524 | 6e7275c0 | Iustin Pop |
|
525 | 6e7275c0 | Iustin Pop | The migration will not be attempted if the instance is not
|
526 | 6e7275c0 | Iustin Pop | currently running.
|
527 | 6e7275c0 | Iustin Pop |
|
528 | 58d38b02 | Iustin Pop | @type instance: L{objects.Instance}
|
529 | 58d38b02 | Iustin Pop | @param instance: the instance to be migrated
|
530 | fdf7f055 | Guido Trotter | @type target: string
|
531 | fdf7f055 | Guido Trotter | @param target: ip address of the target node
|
532 | fdf7f055 | Guido Trotter | @type live: boolean
|
533 | fdf7f055 | Guido Trotter | @param live: perform a live migration
|
534 | fdf7f055 | Guido Trotter |
|
535 | 6e7275c0 | Iustin Pop | """
|
536 | 58d38b02 | Iustin Pop | if self.GetInstanceInfo(instance.name) is None: |
537 | 6e7275c0 | Iustin Pop | raise errors.HypervisorError("Instance not running, cannot migrate") |
538 | 50716be0 | Iustin Pop | |
539 | 641ae041 | Iustin Pop | port = instance.hvparams[constants.HV_MIGRATION_PORT] |
540 | 50716be0 | Iustin Pop | |
541 | 3135de69 | Guido Trotter | if (constants.XEN_CMD == constants.XEN_CMD_XM and |
542 | 3135de69 | Guido Trotter | not netutils.TcpPing(target, port, live_port_needed=True)): |
543 | 50716be0 | Iustin Pop | raise errors.HypervisorError("Remote host %s not listening on port" |
544 | 50716be0 | Iustin Pop | " %s, cannot migrate" % (target, port))
|
545 | 50716be0 | Iustin Pop | |
546 | 0625d08f | René Nussbaumer | args = [constants.XEN_CMD, "migrate"]
|
547 | 0625d08f | René Nussbaumer | if constants.XEN_CMD == constants.XEN_CMD_XM:
|
548 | 0625d08f | René Nussbaumer | args.extend(["-p", "%d" % port]) |
549 | 0625d08f | René Nussbaumer | if live:
|
550 | 0625d08f | René Nussbaumer | args.append("-l")
|
551 | 0625d08f | René Nussbaumer | elif constants.XEN_CMD == constants.XEN_CMD_XL:
|
552 | 053c356a | Guido Trotter | cluster_name = ssconf.SimpleStore().GetClusterName() |
553 | 053c356a | Guido Trotter | args.extend(["-s", constants.XL_SSH_CMD % cluster_name])
|
554 | 0625d08f | René Nussbaumer | args.extend(["-C", self._ConfigFileName(instance.name)]) |
555 | 0625d08f | René Nussbaumer | else:
|
556 | 0625d08f | René Nussbaumer | raise errors.HypervisorError("Unsupported xen command: %s" % |
557 | 0625d08f | René Nussbaumer | constants.XEN_CMD) |
558 | 0625d08f | René Nussbaumer | |
559 | 58d38b02 | Iustin Pop | args.extend([instance.name, target]) |
560 | 6e7275c0 | Iustin Pop | result = utils.RunCmd(args) |
561 | 6e7275c0 | Iustin Pop | if result.failed:
|
562 | 6e7275c0 | Iustin Pop | raise errors.HypervisorError("Failed to migrate instance %s: %s" % |
563 | 58d38b02 | Iustin Pop | (instance.name, result.output)) |
564 | 60af751d | Andrea Spadaccini | |
565 | 60af751d | Andrea Spadaccini | def FinalizeMigrationSource(self, instance, success, live): |
566 | 60af751d | Andrea Spadaccini | """Finalize the instance migration on the source node.
|
567 | 60af751d | Andrea Spadaccini |
|
568 | 60af751d | Andrea Spadaccini | @type instance: L{objects.Instance}
|
569 | 60af751d | Andrea Spadaccini | @param instance: the instance that was migrated
|
570 | 60af751d | Andrea Spadaccini | @type success: bool
|
571 | 60af751d | Andrea Spadaccini | @param success: whether the migration succeeded or not
|
572 | 60af751d | Andrea Spadaccini | @type live: bool
|
573 | 60af751d | Andrea Spadaccini | @param live: whether the user requested a live migration or not
|
574 | 60af751d | Andrea Spadaccini |
|
575 | 60af751d | Andrea Spadaccini | """
|
576 | 60af751d | Andrea Spadaccini | # pylint: disable=W0613
|
577 | 60af751d | Andrea Spadaccini | if success:
|
578 | 60af751d | Andrea Spadaccini | # remove old xen file after migration succeeded
|
579 | 60af751d | Andrea Spadaccini | try:
|
580 | 60af751d | Andrea Spadaccini | self._RemoveConfigFile(instance.name)
|
581 | 60af751d | Andrea Spadaccini | except EnvironmentError: |
582 | 60af751d | Andrea Spadaccini | logging.exception("Failure while removing instance config file")
|
583 | 60af751d | Andrea Spadaccini | |
584 | 60af751d | Andrea Spadaccini | def GetMigrationStatus(self, instance): |
585 | 60af751d | Andrea Spadaccini | """Get the migration status
|
586 | 60af751d | Andrea Spadaccini |
|
587 | 60af751d | Andrea Spadaccini | As MigrateInstance for Xen is still blocking, if this method is called it
|
588 | 60af751d | Andrea Spadaccini | means that MigrateInstance has completed successfully. So we can safely
|
589 | 60af751d | Andrea Spadaccini | assume that the migration was successful and notify this fact to the client.
|
590 | 60af751d | Andrea Spadaccini |
|
591 | 60af751d | Andrea Spadaccini | @type instance: L{objects.Instance}
|
592 | 60af751d | Andrea Spadaccini | @param instance: the instance that is being migrated
|
593 | 60af751d | Andrea Spadaccini | @rtype: L{objects.MigrationStatus}
|
594 | 60af751d | Andrea Spadaccini | @return: the status of the current migration (one of
|
595 | 60af751d | Andrea Spadaccini | L{constants.HV_MIGRATION_VALID_STATUSES}), plus any additional
|
596 | 60af751d | Andrea Spadaccini | progress info that can be retrieved from the hypervisor
|
597 | 60af751d | Andrea Spadaccini |
|
598 | 60af751d | Andrea Spadaccini | """
|
599 | 60af751d | Andrea Spadaccini | return objects.MigrationStatus(status=constants.HV_MIGRATION_COMPLETED)
|
600 | 6e7275c0 | Iustin Pop | |
601 | f5118ade | Iustin Pop | @classmethod
|
602 | f5118ade | Iustin Pop | def PowercycleNode(cls): |
603 | f5118ade | Iustin Pop | """Xen-specific powercycle.
|
604 | f5118ade | Iustin Pop |
|
605 | f5118ade | Iustin Pop | This first does a Linux reboot (which triggers automatically a Xen
|
606 | f5118ade | Iustin Pop | reboot), and if that fails it tries to do a Xen reboot. The reason
|
607 | f5118ade | Iustin Pop | we don't try a Xen reboot first is that the xen reboot launches an
|
608 | f5118ade | Iustin Pop | external command which connects to the Xen hypervisor, and that
|
609 | f5118ade | Iustin Pop | won't work in case the root filesystem is broken and/or the xend
|
610 | f5118ade | Iustin Pop | daemon is not working.
|
611 | f5118ade | Iustin Pop |
|
612 | f5118ade | Iustin Pop | """
|
613 | f5118ade | Iustin Pop | try:
|
614 | f5118ade | Iustin Pop | cls.LinuxPowercycle() |
615 | f5118ade | Iustin Pop | finally:
|
616 | 2876c2d6 | Guido Trotter | utils.RunCmd([constants.XEN_CMD, "debug", "R"]) |
617 | f5118ade | Iustin Pop | |
618 | 65a6f9b7 | Michael Hanselmann | |
619 | 65a6f9b7 | Michael Hanselmann | class XenPvmHypervisor(XenHypervisor): |
620 | 65a6f9b7 | Michael Hanselmann | """Xen PVM hypervisor interface"""
|
621 | 65a6f9b7 | Michael Hanselmann | |
622 | 205ab586 | Iustin Pop | PARAMETERS = { |
623 | 2f2dbb4b | Jun Futagawa | constants.HV_USE_BOOTLOADER: hv_base.NO_CHECK, |
624 | 2f2dbb4b | Jun Futagawa | constants.HV_BOOTLOADER_PATH: hv_base.OPT_FILE_CHECK, |
625 | 2f2dbb4b | Jun Futagawa | constants.HV_BOOTLOADER_ARGS: hv_base.NO_CHECK, |
626 | 205ab586 | Iustin Pop | constants.HV_KERNEL_PATH: hv_base.REQ_FILE_CHECK, |
627 | 205ab586 | Iustin Pop | constants.HV_INITRD_PATH: hv_base.OPT_FILE_CHECK, |
628 | 7adf7814 | René Nussbaumer | constants.HV_ROOT_PATH: hv_base.NO_CHECK, |
629 | 205ab586 | Iustin Pop | constants.HV_KERNEL_ARGS: hv_base.NO_CHECK, |
630 | e2d14329 | Andrea Spadaccini | constants.HV_MIGRATION_PORT: hv_base.REQ_NET_PORT_CHECK, |
631 | 783a6c0b | Iustin Pop | constants.HV_MIGRATION_MODE: hv_base.MIGRATION_MODE_CHECK, |
632 | 525011bc | Maciej Bliziński | # TODO: Add a check for the blockdev prefix (matching [a-z:] or similar).
|
633 | 525011bc | Maciej Bliziński | constants.HV_BLOCKDEV_PREFIX: hv_base.NO_CHECK, |
634 | 990ade2d | Stephen Shirley | constants.HV_REBOOT_BEHAVIOR: |
635 | c4708267 | Tsachy Shacham | hv_base.ParamInSet(True, constants.REBOOT_BEHAVIORS),
|
636 | c4708267 | Tsachy Shacham | constants.HV_CPU_MASK: hv_base.OPT_MULTI_CPU_MASK_CHECK, |
637 | 2c368f28 | Guido Trotter | constants.HV_CPU_CAP: hv_base.OPT_NONNEGATIVE_INT_CHECK, |
638 | 8bd977e9 | Sébastien Bocahu | constants.HV_CPU_WEIGHT: |
639 | 8bd977e9 | Sébastien Bocahu | (False, lambda x: 0 < x < 65536, "invalid weight", None, None), |
640 | 205ab586 | Iustin Pop | } |
641 | f48148c3 | Iustin Pop | |
642 | 65a6f9b7 | Michael Hanselmann | @classmethod
|
643 | 61eb1a46 | Guido Trotter | def _WriteConfigFile(cls, instance, startup_memory, block_devices): |
644 | 65a6f9b7 | Michael Hanselmann | """Write the Xen config file for the instance.
|
645 | 65a6f9b7 | Michael Hanselmann |
|
646 | 65a6f9b7 | Michael Hanselmann | """
|
647 | a985b417 | Iustin Pop | hvp = instance.hvparams |
648 | 65a6f9b7 | Michael Hanselmann | config = StringIO() |
649 | 65a6f9b7 | Michael Hanselmann | config.write("# this is autogenerated by Ganeti, please do not edit\n#\n")
|
650 | 65a6f9b7 | Michael Hanselmann | |
651 | 2f2dbb4b | Jun Futagawa | # if bootloader is True, use bootloader instead of kernel and ramdisk
|
652 | 2f2dbb4b | Jun Futagawa | # parameters.
|
653 | 2f2dbb4b | Jun Futagawa | if hvp[constants.HV_USE_BOOTLOADER]:
|
654 | 2f2dbb4b | Jun Futagawa | # bootloader handling
|
655 | 2f2dbb4b | Jun Futagawa | bootloader_path = hvp[constants.HV_BOOTLOADER_PATH] |
656 | 2f2dbb4b | Jun Futagawa | if bootloader_path:
|
657 | 2f2dbb4b | Jun Futagawa | config.write("bootloader = '%s'\n" % bootloader_path)
|
658 | 2f2dbb4b | Jun Futagawa | else:
|
659 | 2f2dbb4b | Jun Futagawa | raise errors.HypervisorError("Bootloader enabled, but missing" |
660 | 2f2dbb4b | Jun Futagawa | " bootloader path")
|
661 | 65a6f9b7 | Michael Hanselmann | |
662 | 2f2dbb4b | Jun Futagawa | bootloader_args = hvp[constants.HV_BOOTLOADER_ARGS] |
663 | 2f2dbb4b | Jun Futagawa | if bootloader_args:
|
664 | 2f2dbb4b | Jun Futagawa | config.write("bootargs = '%s'\n" % bootloader_args)
|
665 | 2f2dbb4b | Jun Futagawa | else:
|
666 | 2f2dbb4b | Jun Futagawa | # kernel handling
|
667 | 2f2dbb4b | Jun Futagawa | kpath = hvp[constants.HV_KERNEL_PATH] |
668 | 2f2dbb4b | Jun Futagawa | config.write("kernel = '%s'\n" % kpath)
|
669 | 2f2dbb4b | Jun Futagawa | |
670 | 2f2dbb4b | Jun Futagawa | # initrd handling
|
671 | 2f2dbb4b | Jun Futagawa | initrd_path = hvp[constants.HV_INITRD_PATH] |
672 | 2f2dbb4b | Jun Futagawa | if initrd_path:
|
673 | 2f2dbb4b | Jun Futagawa | config.write("ramdisk = '%s'\n" % initrd_path)
|
674 | 65a6f9b7 | Michael Hanselmann | |
675 | 65a6f9b7 | Michael Hanselmann | # rest of the settings
|
676 | 61eb1a46 | Guido Trotter | config.write("memory = %d\n" % startup_memory)
|
677 | 80121c83 | Guido Trotter | config.write("maxmem = %d\n" % instance.beparams[constants.BE_MAXMEM])
|
678 | 8b3fd458 | Iustin Pop | config.write("vcpus = %d\n" % instance.beparams[constants.BE_VCPUS])
|
679 | c4708267 | Tsachy Shacham | cpu_pinning = cls._CreateConfigCpus(hvp[constants.HV_CPU_MASK]) |
680 | c4708267 | Tsachy Shacham | if cpu_pinning:
|
681 | c4708267 | Tsachy Shacham | config.write("%s\n" % cpu_pinning)
|
682 | 8bd977e9 | Sébastien Bocahu | cpu_cap = hvp[constants.HV_CPU_CAP] |
683 | 8bd977e9 | Sébastien Bocahu | if cpu_cap:
|
684 | 8bd977e9 | Sébastien Bocahu | config.write("cpu_cap=%d\n" % cpu_cap)
|
685 | 8bd977e9 | Sébastien Bocahu | cpu_weight = hvp[constants.HV_CPU_WEIGHT] |
686 | 8bd977e9 | Sébastien Bocahu | if cpu_weight:
|
687 | 8bd977e9 | Sébastien Bocahu | config.write("cpu_weight=%d\n" % cpu_weight)
|
688 | c4708267 | Tsachy Shacham | |
689 | 65a6f9b7 | Michael Hanselmann | config.write("name = '%s'\n" % instance.name)
|
690 | 65a6f9b7 | Michael Hanselmann | |
691 | 65a6f9b7 | Michael Hanselmann | vif_data = [] |
692 | 65a6f9b7 | Michael Hanselmann | for nic in instance.nics: |
693 | 503b97a9 | Guido Trotter | nic_str = "mac=%s" % (nic.mac)
|
694 | 65a6f9b7 | Michael Hanselmann | ip = getattr(nic, "ip", None) |
695 | 65a6f9b7 | Michael Hanselmann | if ip is not None: |
696 | 65a6f9b7 | Michael Hanselmann | nic_str += ", ip=%s" % ip
|
697 | 503b97a9 | Guido Trotter | if nic.nicparams[constants.NIC_MODE] == constants.NIC_MODE_BRIDGED:
|
698 | 503b97a9 | Guido Trotter | nic_str += ", bridge=%s" % nic.nicparams[constants.NIC_LINK]
|
699 | 0183a697 | Alessandro Cincaglini | vif_data.append("'%s'" % nic_str)
|
700 | 65a6f9b7 | Michael Hanselmann | |
701 | 525011bc | Maciej Bliziński | disk_data = cls._GetConfigFileDiskData(block_devices, |
702 | 525011bc | Maciej Bliziński | hvp[constants.HV_BLOCKDEV_PREFIX]) |
703 | 7ed85ffe | Iustin Pop | |
704 | 65a6f9b7 | Michael Hanselmann | config.write("vif = [%s]\n" % ",".join(vif_data)) |
705 | 7ed85ffe | Iustin Pop | config.write("disk = [%s]\n" % ",".join(disk_data)) |
706 | 074ca009 | Guido Trotter | |
707 | 7adf7814 | René Nussbaumer | if hvp[constants.HV_ROOT_PATH]:
|
708 | 7adf7814 | René Nussbaumer | config.write("root = '%s'\n" % hvp[constants.HV_ROOT_PATH])
|
709 | 65a6f9b7 | Michael Hanselmann | config.write("on_poweroff = 'destroy'\n")
|
710 | 990ade2d | Stephen Shirley | if hvp[constants.HV_REBOOT_BEHAVIOR] == constants.INSTANCE_REBOOT_ALLOWED:
|
711 | 990ade2d | Stephen Shirley | config.write("on_reboot = 'restart'\n")
|
712 | 990ade2d | Stephen Shirley | else:
|
713 | 990ade2d | Stephen Shirley | config.write("on_reboot = 'destroy'\n")
|
714 | 65a6f9b7 | Michael Hanselmann | config.write("on_crash = 'restart'\n")
|
715 | 07813a9e | Iustin Pop | config.write("extra = '%s'\n" % hvp[constants.HV_KERNEL_ARGS])
|
716 | 1a63f285 | Iustin Pop | cls._WriteConfigFileStatic(instance.name, config.getvalue()) |
717 | 73cd67f4 | Guido Trotter | |
718 | 65a6f9b7 | Michael Hanselmann | return True |
719 | 65a6f9b7 | Michael Hanselmann | |
720 | 65a6f9b7 | Michael Hanselmann | |
721 | 65a6f9b7 | Michael Hanselmann | class XenHvmHypervisor(XenHypervisor): |
722 | 65a6f9b7 | Michael Hanselmann | """Xen HVM hypervisor interface"""
|
723 | 65a6f9b7 | Michael Hanselmann | |
724 | 69b99987 | Michael Hanselmann | ANCILLARY_FILES = XenHypervisor.ANCILLARY_FILES + [ |
725 | 9d9bded1 | Michael Hanselmann | pathutils.VNC_PASSWORD_FILE, |
726 | 69b99987 | Michael Hanselmann | ] |
727 | 69ab2e12 | Guido Trotter | ANCILLARY_FILES_OPT = XenHypervisor.ANCILLARY_FILES_OPT + [ |
728 | 9d9bded1 | Michael Hanselmann | pathutils.VNC_PASSWORD_FILE, |
729 | 69ab2e12 | Guido Trotter | ] |
730 | 3680f662 | Guido Trotter | |
731 | 205ab586 | Iustin Pop | PARAMETERS = { |
732 | 205ab586 | Iustin Pop | constants.HV_ACPI: hv_base.NO_CHECK, |
733 | 016d04b3 | Michael Hanselmann | constants.HV_BOOT_ORDER: (True, ) +
|
734 | 016d04b3 | Michael Hanselmann | (lambda x: x and len(x.strip("acdn")) == 0, |
735 | 016d04b3 | Michael Hanselmann | "Invalid boot order specified, must be one or more of [acdn]",
|
736 | 016d04b3 | Michael Hanselmann | None, None), |
737 | 205ab586 | Iustin Pop | constants.HV_CDROM_IMAGE_PATH: hv_base.OPT_FILE_CHECK, |
738 | 016d04b3 | Michael Hanselmann | constants.HV_DISK_TYPE: |
739 | 016d04b3 | Michael Hanselmann | hv_base.ParamInSet(True, constants.HT_HVM_VALID_DISK_TYPES),
|
740 | 016d04b3 | Michael Hanselmann | constants.HV_NIC_TYPE: |
741 | 016d04b3 | Michael Hanselmann | hv_base.ParamInSet(True, constants.HT_HVM_VALID_NIC_TYPES),
|
742 | 205ab586 | Iustin Pop | constants.HV_PAE: hv_base.NO_CHECK, |
743 | 016d04b3 | Michael Hanselmann | constants.HV_VNC_BIND_ADDRESS: |
744 | 8b312c1d | Manuel Franceschini | (False, netutils.IP4Address.IsValid,
|
745 | 016d04b3 | Michael Hanselmann | "VNC bind address is not a valid IP address", None, None), |
746 | 205ab586 | Iustin Pop | constants.HV_KERNEL_PATH: hv_base.REQ_FILE_CHECK, |
747 | 205ab586 | Iustin Pop | constants.HV_DEVICE_MODEL: hv_base.REQ_FILE_CHECK, |
748 | 6e6bb8d5 | Guido Trotter | constants.HV_VNC_PASSWORD_FILE: hv_base.REQ_FILE_CHECK, |
749 | e2d14329 | Andrea Spadaccini | constants.HV_MIGRATION_PORT: hv_base.REQ_NET_PORT_CHECK, |
750 | 783a6c0b | Iustin Pop | constants.HV_MIGRATION_MODE: hv_base.MIGRATION_MODE_CHECK, |
751 | 6b970cef | Jun Futagawa | constants.HV_USE_LOCALTIME: hv_base.NO_CHECK, |
752 | e695efbf | Iustin Pop | # TODO: Add a check for the blockdev prefix (matching [a-z:] or similar).
|
753 | e695efbf | Iustin Pop | constants.HV_BLOCKDEV_PREFIX: hv_base.NO_CHECK, |
754 | 87f0aa48 | Jack | # Add PCI passthrough
|
755 | 3891c95e | Bernardo Dal Seno | constants.HV_PASSTHROUGH: hv_base.NO_CHECK, |
756 | 990ade2d | Stephen Shirley | constants.HV_REBOOT_BEHAVIOR: |
757 | c4708267 | Tsachy Shacham | hv_base.ParamInSet(True, constants.REBOOT_BEHAVIORS),
|
758 | c4708267 | Tsachy Shacham | constants.HV_CPU_MASK: hv_base.OPT_MULTI_CPU_MASK_CHECK, |
759 | 8bd977e9 | Sébastien Bocahu | constants.HV_CPU_CAP: hv_base.NO_CHECK, |
760 | 8bd977e9 | Sébastien Bocahu | constants.HV_CPU_WEIGHT: |
761 | 8bd977e9 | Sébastien Bocahu | (False, lambda x: 0 < x < 65535, "invalid weight", None, None), |
762 | 205ab586 | Iustin Pop | } |
763 | 09ea8710 | Iustin Pop | |
764 | 65a6f9b7 | Michael Hanselmann | @classmethod
|
765 | 61eb1a46 | Guido Trotter | def _WriteConfigFile(cls, instance, startup_memory, block_devices): |
766 | 65a6f9b7 | Michael Hanselmann | """Create a Xen 3.1 HVM config file.
|
767 | 65a6f9b7 | Michael Hanselmann |
|
768 | 65a6f9b7 | Michael Hanselmann | """
|
769 | a985b417 | Iustin Pop | hvp = instance.hvparams |
770 | a985b417 | Iustin Pop | |
771 | 65a6f9b7 | Michael Hanselmann | config = StringIO() |
772 | 65a6f9b7 | Michael Hanselmann | config.write("# this is autogenerated by Ganeti, please do not edit\n#\n")
|
773 | e2ee1cea | Iustin Pop | |
774 | e2ee1cea | Iustin Pop | # kernel handling
|
775 | e2ee1cea | Iustin Pop | kpath = hvp[constants.HV_KERNEL_PATH] |
776 | e2ee1cea | Iustin Pop | config.write("kernel = '%s'\n" % kpath)
|
777 | e2ee1cea | Iustin Pop | |
778 | 65a6f9b7 | Michael Hanselmann | config.write("builder = 'hvm'\n")
|
779 | 61eb1a46 | Guido Trotter | config.write("memory = %d\n" % startup_memory)
|
780 | 80121c83 | Guido Trotter | config.write("maxmem = %d\n" % instance.beparams[constants.BE_MAXMEM])
|
781 | 8b3fd458 | Iustin Pop | config.write("vcpus = %d\n" % instance.beparams[constants.BE_VCPUS])
|
782 | c4708267 | Tsachy Shacham | cpu_pinning = cls._CreateConfigCpus(hvp[constants.HV_CPU_MASK]) |
783 | c4708267 | Tsachy Shacham | if cpu_pinning:
|
784 | c4708267 | Tsachy Shacham | config.write("%s\n" % cpu_pinning)
|
785 | 8bd977e9 | Sébastien Bocahu | cpu_cap = hvp[constants.HV_CPU_CAP] |
786 | 8bd977e9 | Sébastien Bocahu | if cpu_cap:
|
787 | 8bd977e9 | Sébastien Bocahu | config.write("cpu_cap=%d\n" % cpu_cap)
|
788 | 8bd977e9 | Sébastien Bocahu | cpu_weight = hvp[constants.HV_CPU_WEIGHT] |
789 | 8bd977e9 | Sébastien Bocahu | if cpu_weight:
|
790 | 8bd977e9 | Sébastien Bocahu | config.write("cpu_weight=%d\n" % cpu_weight)
|
791 | c4708267 | Tsachy Shacham | |
792 | 65a6f9b7 | Michael Hanselmann | config.write("name = '%s'\n" % instance.name)
|
793 | 09ea8710 | Iustin Pop | if hvp[constants.HV_PAE]:
|
794 | a21dda8b | Iustin Pop | config.write("pae = 1\n")
|
795 | a21dda8b | Iustin Pop | else:
|
796 | a21dda8b | Iustin Pop | config.write("pae = 0\n")
|
797 | 09ea8710 | Iustin Pop | if hvp[constants.HV_ACPI]:
|
798 | a21dda8b | Iustin Pop | config.write("acpi = 1\n")
|
799 | a21dda8b | Iustin Pop | else:
|
800 | a21dda8b | Iustin Pop | config.write("acpi = 0\n")
|
801 | 65a6f9b7 | Michael Hanselmann | config.write("apic = 1\n")
|
802 | 09ea8710 | Iustin Pop | config.write("device_model = '%s'\n" % hvp[constants.HV_DEVICE_MODEL])
|
803 | a985b417 | Iustin Pop | config.write("boot = '%s'\n" % hvp[constants.HV_BOOT_ORDER])
|
804 | 65a6f9b7 | Michael Hanselmann | config.write("sdl = 0\n")
|
805 | 97efde45 | Guido Trotter | config.write("usb = 1\n")
|
806 | 97efde45 | Guido Trotter | config.write("usbdevice = 'tablet'\n")
|
807 | 65a6f9b7 | Michael Hanselmann | config.write("vnc = 1\n")
|
808 | a985b417 | Iustin Pop | if hvp[constants.HV_VNC_BIND_ADDRESS] is None: |
809 | d0c11cf7 | Alexander Schreiber | config.write("vnclisten = '%s'\n" % constants.VNC_DEFAULT_BIND_ADDRESS)
|
810 | d0c11cf7 | Alexander Schreiber | else:
|
811 | 6b405598 | Guido Trotter | config.write("vnclisten = '%s'\n" % hvp[constants.HV_VNC_BIND_ADDRESS])
|
812 | 65a6f9b7 | Michael Hanselmann | |
813 | 377d74c9 | Guido Trotter | if instance.network_port > constants.VNC_BASE_PORT:
|
814 | 377d74c9 | Guido Trotter | display = instance.network_port - constants.VNC_BASE_PORT |
815 | 65a6f9b7 | Michael Hanselmann | config.write("vncdisplay = %s\n" % display)
|
816 | 65a6f9b7 | Michael Hanselmann | config.write("vncunused = 0\n")
|
817 | 65a6f9b7 | Michael Hanselmann | else:
|
818 | 65a6f9b7 | Michael Hanselmann | config.write("# vncdisplay = 1\n")
|
819 | 65a6f9b7 | Michael Hanselmann | config.write("vncunused = 1\n")
|
820 | 65a6f9b7 | Michael Hanselmann | |
821 | 6e6bb8d5 | Guido Trotter | vnc_pwd_file = hvp[constants.HV_VNC_PASSWORD_FILE] |
822 | 65a6f9b7 | Michael Hanselmann | try:
|
823 | 6e6bb8d5 | Guido Trotter | password = utils.ReadFile(vnc_pwd_file) |
824 | 78f66a17 | Guido Trotter | except EnvironmentError, err: |
825 | 78f66a17 | Guido Trotter | raise errors.HypervisorError("Failed to open VNC password file %s: %s" % |
826 | 6e6bb8d5 | Guido Trotter | (vnc_pwd_file, err)) |
827 | 65a6f9b7 | Michael Hanselmann | |
828 | 65a6f9b7 | Michael Hanselmann | config.write("vncpasswd = '%s'\n" % password.rstrip())
|
829 | 65a6f9b7 | Michael Hanselmann | |
830 | 65a6f9b7 | Michael Hanselmann | config.write("serial = 'pty'\n")
|
831 | 6b970cef | Jun Futagawa | if hvp[constants.HV_USE_LOCALTIME]:
|
832 | 6b970cef | Jun Futagawa | config.write("localtime = 1\n")
|
833 | 65a6f9b7 | Michael Hanselmann | |
834 | 65a6f9b7 | Michael Hanselmann | vif_data = [] |
835 | a985b417 | Iustin Pop | nic_type = hvp[constants.HV_NIC_TYPE] |
836 | f48148c3 | Iustin Pop | if nic_type is None: |
837 | f48148c3 | Iustin Pop | # ensure old instances don't change
|
838 | f48148c3 | Iustin Pop | nic_type_str = ", type=ioemu"
|
839 | d08f6067 | Guido Trotter | elif nic_type == constants.HT_NIC_PARAVIRTUAL:
|
840 | f48148c3 | Iustin Pop | nic_type_str = ", type=paravirtualized"
|
841 | f48148c3 | Iustin Pop | else:
|
842 | f48148c3 | Iustin Pop | nic_type_str = ", model=%s, type=ioemu" % nic_type
|
843 | 65a6f9b7 | Michael Hanselmann | for nic in instance.nics: |
844 | 503b97a9 | Guido Trotter | nic_str = "mac=%s%s" % (nic.mac, nic_type_str)
|
845 | 65a6f9b7 | Michael Hanselmann | ip = getattr(nic, "ip", None) |
846 | 65a6f9b7 | Michael Hanselmann | if ip is not None: |
847 | 65a6f9b7 | Michael Hanselmann | nic_str += ", ip=%s" % ip
|
848 | 503b97a9 | Guido Trotter | if nic.nicparams[constants.NIC_MODE] == constants.NIC_MODE_BRIDGED:
|
849 | 503b97a9 | Guido Trotter | nic_str += ", bridge=%s" % nic.nicparams[constants.NIC_LINK]
|
850 | 0183a697 | Alessandro Cincaglini | vif_data.append("'%s'" % nic_str)
|
851 | 65a6f9b7 | Michael Hanselmann | |
852 | 65a6f9b7 | Michael Hanselmann | config.write("vif = [%s]\n" % ",".join(vif_data)) |
853 | 525011bc | Maciej Bliziński | |
854 | 525011bc | Maciej Bliziński | disk_data = cls._GetConfigFileDiskData(block_devices, |
855 | 525011bc | Maciej Bliziński | hvp[constants.HV_BLOCKDEV_PREFIX]) |
856 | 525011bc | Maciej Bliziński | |
857 | a985b417 | Iustin Pop | iso_path = hvp[constants.HV_CDROM_IMAGE_PATH] |
858 | f48148c3 | Iustin Pop | if iso_path:
|
859 | f48148c3 | Iustin Pop | iso = "'file:%s,hdc:cdrom,r'" % iso_path
|
860 | a21dda8b | Iustin Pop | disk_data.append(iso) |
861 | a21dda8b | Iustin Pop | |
862 | a21dda8b | Iustin Pop | config.write("disk = [%s]\n" % (",".join(disk_data))) |
863 | 87f0aa48 | Jack | # Add PCI passthrough
|
864 | 87f0aa48 | Jack | pci_pass_arr = [] |
865 | 87f0aa48 | Jack | pci_pass = hvp[constants.HV_PASSTHROUGH] |
866 | 87f0aa48 | Jack | if pci_pass:
|
867 | 3891c95e | Bernardo Dal Seno | pci_pass_arr = pci_pass.split(";")
|
868 | 3891c95e | Bernardo Dal Seno | config.write("pci = %s\n" % pci_pass_arr)
|
869 | 65a6f9b7 | Michael Hanselmann | config.write("on_poweroff = 'destroy'\n")
|
870 | 990ade2d | Stephen Shirley | if hvp[constants.HV_REBOOT_BEHAVIOR] == constants.INSTANCE_REBOOT_ALLOWED:
|
871 | 990ade2d | Stephen Shirley | config.write("on_reboot = 'restart'\n")
|
872 | 990ade2d | Stephen Shirley | else:
|
873 | 990ade2d | Stephen Shirley | config.write("on_reboot = 'destroy'\n")
|
874 | 65a6f9b7 | Michael Hanselmann | config.write("on_crash = 'restart'\n")
|
875 | 1a63f285 | Iustin Pop | cls._WriteConfigFileStatic(instance.name, config.getvalue()) |
876 | 73cd67f4 | Guido Trotter | |
877 | 65a6f9b7 | Michael Hanselmann | return True |