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1 | a8083063 | Iustin Pop | #!/usr/bin/python |
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2 | a8083063 | Iustin Pop | # |
3 | a8083063 | Iustin Pop | |
4 | a8083063 | Iustin Pop | # Copyright (C) 2006, 2007 Google Inc. |
5 | a8083063 | Iustin Pop | # |
6 | a8083063 | Iustin Pop | # This program is free software; you can redistribute it and/or modify |
7 | a8083063 | Iustin Pop | # it under the terms of the GNU General Public License as published by |
8 | a8083063 | Iustin Pop | # the Free Software Foundation; either version 2 of the License, or |
9 | a8083063 | Iustin Pop | # (at your option) any later version. |
10 | a8083063 | Iustin Pop | # |
11 | a8083063 | Iustin Pop | # This program is distributed in the hope that it will be useful, but |
12 | a8083063 | Iustin Pop | # WITHOUT ANY WARRANTY; without even the implied warranty of |
13 | a8083063 | Iustin Pop | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
14 | a8083063 | Iustin Pop | # General Public License for more details. |
15 | a8083063 | Iustin Pop | # |
16 | a8083063 | Iustin Pop | # You should have received a copy of the GNU General Public License |
17 | a8083063 | Iustin Pop | # along with this program; if not, write to the Free Software |
18 | a8083063 | Iustin Pop | # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
19 | a8083063 | Iustin Pop | # 02110-1301, USA. |
20 | a8083063 | Iustin Pop | |
21 | a8083063 | Iustin Pop | |
22 | a8083063 | Iustin Pop | """Ganeti node daemon""" |
23 | a8083063 | Iustin Pop | |
24 | 3ecf6786 | Iustin Pop | # functions in this module need to have a given name structure, so: |
25 | 3ecf6786 | Iustin Pop | # pylint: disable-msg=C0103 |
26 | 3ecf6786 | Iustin Pop | |
27 | a8083063 | Iustin Pop | import os |
28 | a8083063 | Iustin Pop | import sys |
29 | a8083063 | Iustin Pop | import traceback |
30 | 761ce945 | Guido Trotter | import SocketServer |
31 | 0214b0c0 | Iustin Pop | import errno |
32 | c89189b1 | Iustin Pop | import logging |
33 | 84b58db2 | Michael Hanselmann | import signal |
34 | a8083063 | Iustin Pop | |
35 | a8083063 | Iustin Pop | from optparse import OptionParser |
36 | a8083063 | Iustin Pop | |
37 | a8083063 | Iustin Pop | from ganeti import backend |
38 | a8083063 | Iustin Pop | from ganeti import logger |
39 | a8083063 | Iustin Pop | from ganeti import constants |
40 | a8083063 | Iustin Pop | from ganeti import objects |
41 | a8083063 | Iustin Pop | from ganeti import errors |
42 | a8083063 | Iustin Pop | from ganeti import ssconf |
43 | 1df6506c | Michael Hanselmann | from ganeti import http |
44 | 16abfbc2 | Alexander Schreiber | from ganeti import utils |
45 | a8083063 | Iustin Pop | |
46 | a8083063 | Iustin Pop | |
47 | 1df6506c | Michael Hanselmann | class NodeDaemonRequestHandler(http.HTTPRequestHandler): |
48 | 3ecf6786 | Iustin Pop | """The server implementation. |
49 | 3ecf6786 | Iustin Pop | |
50 | 3ecf6786 | Iustin Pop | This class holds all methods exposed over the RPC interface. |
51 | 3ecf6786 | Iustin Pop | |
52 | 3ecf6786 | Iustin Pop | """ |
53 | 1df6506c | Michael Hanselmann | def HandleRequest(self): |
54 | 1df6506c | Michael Hanselmann | """Handle a request. |
55 | a8083063 | Iustin Pop | |
56 | 098c0958 | Michael Hanselmann | """ |
57 | 1df6506c | Michael Hanselmann | if self.command.upper() != "PUT": |
58 | 1df6506c | Michael Hanselmann | raise http.HTTPBadRequest() |
59 | 1df6506c | Michael Hanselmann | |
60 | 81010134 | Iustin Pop | path = self.path |
61 | 81010134 | Iustin Pop | if path.startswith("/"): |
62 | 81010134 | Iustin Pop | path = path[1:] |
63 | 81010134 | Iustin Pop | |
64 | 1df6506c | Michael Hanselmann | method = getattr(self, "perspective_%s" % path, None) |
65 | 1df6506c | Michael Hanselmann | if method is None: |
66 | 1df6506c | Michael Hanselmann | raise httperror.HTTPNotFound() |
67 | a8083063 | Iustin Pop | |
68 | 81010134 | Iustin Pop | try: |
69 | 1df6506c | Michael Hanselmann | return method(self.post_data) |
70 | 9ae49f27 | Guido Trotter | except errors.QuitGanetiException, err: |
71 | 84b58db2 | Michael Hanselmann | # Tell parent to quit |
72 | 84b58db2 | Michael Hanselmann | os.kill(self.server.noded_pid, signal.SIGTERM) |
73 | a8083063 | Iustin Pop | |
74 | a8083063 | Iustin Pop | # the new block devices -------------------------- |
75 | a8083063 | Iustin Pop | |
76 | 3ecf6786 | Iustin Pop | @staticmethod |
77 | 3ecf6786 | Iustin Pop | def perspective_blockdev_create(params): |
78 | 3ecf6786 | Iustin Pop | """Create a block device. |
79 | 3ecf6786 | Iustin Pop | |
80 | 3ecf6786 | Iustin Pop | """ |
81 | 3f78eef2 | Iustin Pop | bdev_s, size, owner, on_primary, info = params |
82 | 319856a9 | Michael Hanselmann | bdev = objects.Disk.FromDict(bdev_s) |
83 | a8083063 | Iustin Pop | if bdev is None: |
84 | a8083063 | Iustin Pop | raise ValueError("can't unserialize data!") |
85 | 3f78eef2 | Iustin Pop | return backend.CreateBlockDevice(bdev, size, owner, on_primary, info) |
86 | a8083063 | Iustin Pop | |
87 | 3ecf6786 | Iustin Pop | @staticmethod |
88 | 3ecf6786 | Iustin Pop | def perspective_blockdev_remove(params): |
89 | 3ecf6786 | Iustin Pop | """Remove a block device. |
90 | 3ecf6786 | Iustin Pop | |
91 | 3ecf6786 | Iustin Pop | """ |
92 | a8083063 | Iustin Pop | bdev_s = params[0] |
93 | 319856a9 | Michael Hanselmann | bdev = objects.Disk.FromDict(bdev_s) |
94 | a8083063 | Iustin Pop | return backend.RemoveBlockDevice(bdev) |
95 | a8083063 | Iustin Pop | |
96 | 3ecf6786 | Iustin Pop | @staticmethod |
97 | f3e513ad | Iustin Pop | def perspective_blockdev_rename(params): |
98 | f3e513ad | Iustin Pop | """Remove a block device. |
99 | f3e513ad | Iustin Pop | |
100 | f3e513ad | Iustin Pop | """ |
101 | f3e513ad | Iustin Pop | devlist = [(objects.Disk.FromDict(ds), uid) for ds, uid in params] |
102 | f3e513ad | Iustin Pop | return backend.RenameBlockDevices(devlist) |
103 | f3e513ad | Iustin Pop | |
104 | f3e513ad | Iustin Pop | @staticmethod |
105 | 3ecf6786 | Iustin Pop | def perspective_blockdev_assemble(params): |
106 | 3ecf6786 | Iustin Pop | """Assemble a block device. |
107 | 3ecf6786 | Iustin Pop | |
108 | 3ecf6786 | Iustin Pop | """ |
109 | 3f78eef2 | Iustin Pop | bdev_s, owner, on_primary = params |
110 | 319856a9 | Michael Hanselmann | bdev = objects.Disk.FromDict(bdev_s) |
111 | a8083063 | Iustin Pop | if bdev is None: |
112 | a8083063 | Iustin Pop | raise ValueError("can't unserialize data!") |
113 | 3f78eef2 | Iustin Pop | return backend.AssembleBlockDevice(bdev, owner, on_primary) |
114 | a8083063 | Iustin Pop | |
115 | 3ecf6786 | Iustin Pop | @staticmethod |
116 | 3ecf6786 | Iustin Pop | def perspective_blockdev_shutdown(params): |
117 | 3ecf6786 | Iustin Pop | """Shutdown a block device. |
118 | 3ecf6786 | Iustin Pop | |
119 | 3ecf6786 | Iustin Pop | """ |
120 | a8083063 | Iustin Pop | bdev_s = params[0] |
121 | 319856a9 | Michael Hanselmann | bdev = objects.Disk.FromDict(bdev_s) |
122 | a8083063 | Iustin Pop | if bdev is None: |
123 | a8083063 | Iustin Pop | raise ValueError("can't unserialize data!") |
124 | a8083063 | Iustin Pop | return backend.ShutdownBlockDevice(bdev) |
125 | a8083063 | Iustin Pop | |
126 | 3ecf6786 | Iustin Pop | @staticmethod |
127 | 153d9724 | Iustin Pop | def perspective_blockdev_addchildren(params): |
128 | 3ecf6786 | Iustin Pop | """Add a child to a mirror device. |
129 | 3ecf6786 | Iustin Pop | |
130 | 3ecf6786 | Iustin Pop | Note: this is only valid for mirror devices. It's the caller's duty |
131 | 3ecf6786 | Iustin Pop | to send a correct disk, otherwise we raise an error. |
132 | 3ecf6786 | Iustin Pop | |
133 | 3ecf6786 | Iustin Pop | """ |
134 | a8083063 | Iustin Pop | bdev_s, ndev_s = params |
135 | 319856a9 | Michael Hanselmann | bdev = objects.Disk.FromDict(bdev_s) |
136 | 153d9724 | Iustin Pop | ndevs = [objects.Disk.FromDict(disk_s) for disk_s in ndev_s] |
137 | 153d9724 | Iustin Pop | if bdev is None or ndevs.count(None) > 0: |
138 | a8083063 | Iustin Pop | raise ValueError("can't unserialize data!") |
139 | 153d9724 | Iustin Pop | return backend.MirrorAddChildren(bdev, ndevs) |
140 | a8083063 | Iustin Pop | |
141 | 3ecf6786 | Iustin Pop | @staticmethod |
142 | 153d9724 | Iustin Pop | def perspective_blockdev_removechildren(params): |
143 | 3ecf6786 | Iustin Pop | """Remove a child from a mirror device. |
144 | 3ecf6786 | Iustin Pop | |
145 | 3ecf6786 | Iustin Pop | This is only valid for mirror devices, of course. It's the callers |
146 | 3ecf6786 | Iustin Pop | duty to send a correct disk, otherwise we raise an error. |
147 | 3ecf6786 | Iustin Pop | |
148 | 3ecf6786 | Iustin Pop | """ |
149 | a8083063 | Iustin Pop | bdev_s, ndev_s = params |
150 | 319856a9 | Michael Hanselmann | bdev = objects.Disk.FromDict(bdev_s) |
151 | 153d9724 | Iustin Pop | ndevs = [objects.Disk.FromDict(disk_s) for disk_s in ndev_s] |
152 | 153d9724 | Iustin Pop | if bdev is None or ndevs.count(None) > 0: |
153 | a8083063 | Iustin Pop | raise ValueError("can't unserialize data!") |
154 | 153d9724 | Iustin Pop | return backend.MirrorRemoveChildren(bdev, ndevs) |
155 | a8083063 | Iustin Pop | |
156 | 3ecf6786 | Iustin Pop | @staticmethod |
157 | 3ecf6786 | Iustin Pop | def perspective_blockdev_getmirrorstatus(params): |
158 | 3ecf6786 | Iustin Pop | """Return the mirror status for a list of disks. |
159 | 3ecf6786 | Iustin Pop | |
160 | 3ecf6786 | Iustin Pop | """ |
161 | 319856a9 | Michael Hanselmann | disks = [objects.Disk.FromDict(dsk_s) |
162 | a8083063 | Iustin Pop | for dsk_s in params] |
163 | a8083063 | Iustin Pop | return backend.GetMirrorStatus(disks) |
164 | a8083063 | Iustin Pop | |
165 | 3ecf6786 | Iustin Pop | @staticmethod |
166 | 3ecf6786 | Iustin Pop | def perspective_blockdev_find(params): |
167 | 3ecf6786 | Iustin Pop | """Expose the FindBlockDevice functionality for a disk. |
168 | 3ecf6786 | Iustin Pop | |
169 | 3ecf6786 | Iustin Pop | This will try to find but not activate a disk. |
170 | 3ecf6786 | Iustin Pop | |
171 | 3ecf6786 | Iustin Pop | """ |
172 | 319856a9 | Michael Hanselmann | disk = objects.Disk.FromDict(params[0]) |
173 | a8083063 | Iustin Pop | return backend.FindBlockDevice(disk) |
174 | a8083063 | Iustin Pop | |
175 | 3ecf6786 | Iustin Pop | @staticmethod |
176 | 3ecf6786 | Iustin Pop | def perspective_blockdev_snapshot(params): |
177 | 3ecf6786 | Iustin Pop | """Create a snapshot device. |
178 | 3ecf6786 | Iustin Pop | |
179 | 3ecf6786 | Iustin Pop | Note that this is only valid for LVM disks, if we get passed |
180 | 3ecf6786 | Iustin Pop | something else we raise an exception. The snapshot device can be |
181 | 3ecf6786 | Iustin Pop | remove by calling the generic block device remove call. |
182 | 3ecf6786 | Iustin Pop | |
183 | 3ecf6786 | Iustin Pop | """ |
184 | 319856a9 | Michael Hanselmann | cfbd = objects.Disk.FromDict(params[0]) |
185 | a8083063 | Iustin Pop | return backend.SnapshotBlockDevice(cfbd) |
186 | a8083063 | Iustin Pop | |
187 | 4c8ba8b3 | Iustin Pop | @staticmethod |
188 | 4c8ba8b3 | Iustin Pop | def perspective_blockdev_grow(params): |
189 | 4c8ba8b3 | Iustin Pop | """Grow a stack of devices. |
190 | 4c8ba8b3 | Iustin Pop | |
191 | 4c8ba8b3 | Iustin Pop | """ |
192 | 4c8ba8b3 | Iustin Pop | cfbd = objects.Disk.FromDict(params[0]) |
193 | 4c8ba8b3 | Iustin Pop | amount = params[1] |
194 | 4c8ba8b3 | Iustin Pop | return backend.GrowBlockDevice(cfbd, amount) |
195 | 4c8ba8b3 | Iustin Pop | |
196 | d61cbe76 | Iustin Pop | @staticmethod |
197 | d61cbe76 | Iustin Pop | def perspective_blockdev_close(params): |
198 | d61cbe76 | Iustin Pop | """Closes the given block devices. |
199 | d61cbe76 | Iustin Pop | |
200 | d61cbe76 | Iustin Pop | """ |
201 | d61cbe76 | Iustin Pop | disks = [objects.Disk.FromDict(cf) for cf in params] |
202 | d61cbe76 | Iustin Pop | return backend.CloseBlockDevices(disks) |
203 | d61cbe76 | Iustin Pop | |
204 | a8083063 | Iustin Pop | # export/import -------------------------- |
205 | a8083063 | Iustin Pop | |
206 | 3ecf6786 | Iustin Pop | @staticmethod |
207 | 3ecf6786 | Iustin Pop | def perspective_snapshot_export(params): |
208 | 3ecf6786 | Iustin Pop | """Export a given snapshot. |
209 | 3ecf6786 | Iustin Pop | |
210 | 3ecf6786 | Iustin Pop | """ |
211 | 319856a9 | Michael Hanselmann | disk = objects.Disk.FromDict(params[0]) |
212 | a8083063 | Iustin Pop | dest_node = params[1] |
213 | 319856a9 | Michael Hanselmann | instance = objects.Instance.FromDict(params[2]) |
214 | 3ecf6786 | Iustin Pop | return backend.ExportSnapshot(disk, dest_node, instance) |
215 | 3ecf6786 | Iustin Pop | |
216 | 3ecf6786 | Iustin Pop | @staticmethod |
217 | 3ecf6786 | Iustin Pop | def perspective_finalize_export(params): |
218 | 3ecf6786 | Iustin Pop | """Expose the finalize export functionality. |
219 | a8083063 | Iustin Pop | |
220 | 3ecf6786 | Iustin Pop | """ |
221 | 319856a9 | Michael Hanselmann | instance = objects.Instance.FromDict(params[0]) |
222 | 319856a9 | Michael Hanselmann | snap_disks = [objects.Disk.FromDict(str_data) |
223 | a8083063 | Iustin Pop | for str_data in params[1]] |
224 | a8083063 | Iustin Pop | return backend.FinalizeExport(instance, snap_disks) |
225 | a8083063 | Iustin Pop | |
226 | 3ecf6786 | Iustin Pop | @staticmethod |
227 | 3ecf6786 | Iustin Pop | def perspective_export_info(params): |
228 | 3ecf6786 | Iustin Pop | """Query information about an existing export on this node. |
229 | 3ecf6786 | Iustin Pop | |
230 | 3ecf6786 | Iustin Pop | The given path may not contain an export, in which case we return |
231 | 3ecf6786 | Iustin Pop | None. |
232 | 3ecf6786 | Iustin Pop | |
233 | 3ecf6786 | Iustin Pop | """ |
234 | 3ecf6786 | Iustin Pop | path = params[0] |
235 | 3ecf6786 | Iustin Pop | einfo = backend.ExportInfo(path) |
236 | a8083063 | Iustin Pop | if einfo is None: |
237 | a8083063 | Iustin Pop | return einfo |
238 | a8083063 | Iustin Pop | return einfo.Dumps() |
239 | a8083063 | Iustin Pop | |
240 | 3ecf6786 | Iustin Pop | @staticmethod |
241 | 3ecf6786 | Iustin Pop | def perspective_export_list(params): |
242 | 3ecf6786 | Iustin Pop | """List the available exports on this node. |
243 | 3ecf6786 | Iustin Pop | |
244 | 3ecf6786 | Iustin Pop | Note that as opposed to export_info, which may query data about an |
245 | 3ecf6786 | Iustin Pop | export in any path, this only queries the standard Ganeti path |
246 | 3ecf6786 | Iustin Pop | (constants.EXPORT_DIR). |
247 | 3ecf6786 | Iustin Pop | |
248 | 3ecf6786 | Iustin Pop | """ |
249 | a8083063 | Iustin Pop | return backend.ListExports() |
250 | a8083063 | Iustin Pop | |
251 | 3ecf6786 | Iustin Pop | @staticmethod |
252 | 3ecf6786 | Iustin Pop | def perspective_export_remove(params): |
253 | 3ecf6786 | Iustin Pop | """Remove an export. |
254 | 3ecf6786 | Iustin Pop | |
255 | 3ecf6786 | Iustin Pop | """ |
256 | a8083063 | Iustin Pop | export = params[0] |
257 | a8083063 | Iustin Pop | return backend.RemoveExport(export) |
258 | a8083063 | Iustin Pop | |
259 | a8083063 | Iustin Pop | # volume -------------------------- |
260 | a8083063 | Iustin Pop | |
261 | 3ecf6786 | Iustin Pop | @staticmethod |
262 | 3ecf6786 | Iustin Pop | def perspective_volume_list(params): |
263 | 3ecf6786 | Iustin Pop | """Query the list of logical volumes in a given volume group. |
264 | 3ecf6786 | Iustin Pop | |
265 | 3ecf6786 | Iustin Pop | """ |
266 | a8083063 | Iustin Pop | vgname = params[0] |
267 | a8083063 | Iustin Pop | return backend.GetVolumeList(vgname) |
268 | a8083063 | Iustin Pop | |
269 | 3ecf6786 | Iustin Pop | @staticmethod |
270 | 3ecf6786 | Iustin Pop | def perspective_vg_list(params): |
271 | 3ecf6786 | Iustin Pop | """Query the list of volume groups. |
272 | 3ecf6786 | Iustin Pop | |
273 | 3ecf6786 | Iustin Pop | """ |
274 | a8083063 | Iustin Pop | return backend.ListVolumeGroups() |
275 | a8083063 | Iustin Pop | |
276 | a8083063 | Iustin Pop | # bridge -------------------------- |
277 | a8083063 | Iustin Pop | |
278 | 3ecf6786 | Iustin Pop | @staticmethod |
279 | 3ecf6786 | Iustin Pop | def perspective_bridges_exist(params): |
280 | 3ecf6786 | Iustin Pop | """Check if all bridges given exist on this node. |
281 | 3ecf6786 | Iustin Pop | |
282 | 3ecf6786 | Iustin Pop | """ |
283 | a8083063 | Iustin Pop | bridges_list = params[0] |
284 | a8083063 | Iustin Pop | return backend.BridgesExist(bridges_list) |
285 | a8083063 | Iustin Pop | |
286 | a8083063 | Iustin Pop | # instance -------------------------- |
287 | a8083063 | Iustin Pop | |
288 | 3ecf6786 | Iustin Pop | @staticmethod |
289 | 3ecf6786 | Iustin Pop | def perspective_instance_os_add(params): |
290 | 3ecf6786 | Iustin Pop | """Install an OS on a given instance. |
291 | 3ecf6786 | Iustin Pop | |
292 | 3ecf6786 | Iustin Pop | """ |
293 | a8083063 | Iustin Pop | inst_s, os_disk, swap_disk = params |
294 | 319856a9 | Michael Hanselmann | inst = objects.Instance.FromDict(inst_s) |
295 | a8083063 | Iustin Pop | return backend.AddOSToInstance(inst, os_disk, swap_disk) |
296 | a8083063 | Iustin Pop | |
297 | 3ecf6786 | Iustin Pop | @staticmethod |
298 | decd5f45 | Iustin Pop | def perspective_instance_run_rename(params): |
299 | decd5f45 | Iustin Pop | """Runs the OS rename script for an instance. |
300 | decd5f45 | Iustin Pop | |
301 | decd5f45 | Iustin Pop | """ |
302 | decd5f45 | Iustin Pop | inst_s, old_name, os_disk, swap_disk = params |
303 | 319856a9 | Michael Hanselmann | inst = objects.Instance.FromDict(inst_s) |
304 | decd5f45 | Iustin Pop | return backend.RunRenameInstance(inst, old_name, os_disk, swap_disk) |
305 | decd5f45 | Iustin Pop | |
306 | decd5f45 | Iustin Pop | @staticmethod |
307 | 3ecf6786 | Iustin Pop | def perspective_instance_os_import(params): |
308 | 3ecf6786 | Iustin Pop | """Run the import function of an OS onto a given instance. |
309 | 3ecf6786 | Iustin Pop | |
310 | 3ecf6786 | Iustin Pop | """ |
311 | a8083063 | Iustin Pop | inst_s, os_disk, swap_disk, src_node, src_image = params |
312 | 319856a9 | Michael Hanselmann | inst = objects.Instance.FromDict(inst_s) |
313 | a8083063 | Iustin Pop | return backend.ImportOSIntoInstance(inst, os_disk, swap_disk, |
314 | a8083063 | Iustin Pop | src_node, src_image) |
315 | a8083063 | Iustin Pop | |
316 | 3ecf6786 | Iustin Pop | @staticmethod |
317 | 3ecf6786 | Iustin Pop | def perspective_instance_shutdown(params): |
318 | 3ecf6786 | Iustin Pop | """Shutdown an instance. |
319 | 3ecf6786 | Iustin Pop | |
320 | 3ecf6786 | Iustin Pop | """ |
321 | 319856a9 | Michael Hanselmann | instance = objects.Instance.FromDict(params[0]) |
322 | a8083063 | Iustin Pop | return backend.ShutdownInstance(instance) |
323 | a8083063 | Iustin Pop | |
324 | 3ecf6786 | Iustin Pop | @staticmethod |
325 | 3ecf6786 | Iustin Pop | def perspective_instance_start(params): |
326 | 3ecf6786 | Iustin Pop | """Start an instance. |
327 | 3ecf6786 | Iustin Pop | |
328 | 3ecf6786 | Iustin Pop | """ |
329 | 319856a9 | Michael Hanselmann | instance = objects.Instance.FromDict(params[0]) |
330 | a8083063 | Iustin Pop | extra_args = params[1] |
331 | a8083063 | Iustin Pop | return backend.StartInstance(instance, extra_args) |
332 | a8083063 | Iustin Pop | |
333 | 3ecf6786 | Iustin Pop | @staticmethod |
334 | 2a10865c | Iustin Pop | def perspective_instance_migrate(params): |
335 | 2a10865c | Iustin Pop | """Migrates an instance. |
336 | 2a10865c | Iustin Pop | |
337 | 2a10865c | Iustin Pop | """ |
338 | 2a10865c | Iustin Pop | instance, target, live = params |
339 | 2a10865c | Iustin Pop | return backend.MigrateInstance(instance, target, live) |
340 | 2a10865c | Iustin Pop | |
341 | 2a10865c | Iustin Pop | @staticmethod |
342 | 007a2f3e | Alexander Schreiber | def perspective_instance_reboot(params): |
343 | 007a2f3e | Alexander Schreiber | """Reboot an instance. |
344 | 007a2f3e | Alexander Schreiber | |
345 | 007a2f3e | Alexander Schreiber | """ |
346 | 007a2f3e | Alexander Schreiber | instance = objects.Instance.FromDict(params[0]) |
347 | 007a2f3e | Alexander Schreiber | reboot_type = params[1] |
348 | 007a2f3e | Alexander Schreiber | extra_args = params[2] |
349 | 007a2f3e | Alexander Schreiber | return backend.RebootInstance(instance, reboot_type, extra_args) |
350 | 007a2f3e | Alexander Schreiber | |
351 | 007a2f3e | Alexander Schreiber | @staticmethod |
352 | 3ecf6786 | Iustin Pop | def perspective_instance_info(params): |
353 | 3ecf6786 | Iustin Pop | """Query instance information. |
354 | 3ecf6786 | Iustin Pop | |
355 | 3ecf6786 | Iustin Pop | """ |
356 | a8083063 | Iustin Pop | return backend.GetInstanceInfo(params[0]) |
357 | a8083063 | Iustin Pop | |
358 | 3ecf6786 | Iustin Pop | @staticmethod |
359 | 3ecf6786 | Iustin Pop | def perspective_all_instances_info(params): |
360 | 3ecf6786 | Iustin Pop | """Query information about all instances. |
361 | 3ecf6786 | Iustin Pop | |
362 | 3ecf6786 | Iustin Pop | """ |
363 | a8083063 | Iustin Pop | return backend.GetAllInstancesInfo() |
364 | a8083063 | Iustin Pop | |
365 | 3ecf6786 | Iustin Pop | @staticmethod |
366 | 3ecf6786 | Iustin Pop | def perspective_instance_list(params): |
367 | 3ecf6786 | Iustin Pop | """Query the list of running instances. |
368 | 3ecf6786 | Iustin Pop | |
369 | 3ecf6786 | Iustin Pop | """ |
370 | a8083063 | Iustin Pop | return backend.GetInstanceList() |
371 | a8083063 | Iustin Pop | |
372 | a8083063 | Iustin Pop | # node -------------------------- |
373 | a8083063 | Iustin Pop | |
374 | 3ecf6786 | Iustin Pop | @staticmethod |
375 | 16abfbc2 | Alexander Schreiber | def perspective_node_tcp_ping(params): |
376 | 16abfbc2 | Alexander Schreiber | """Do a TcpPing on the remote node. |
377 | 16abfbc2 | Alexander Schreiber | |
378 | 16abfbc2 | Alexander Schreiber | """ |
379 | b15d625f | Iustin Pop | return utils.TcpPing(params[1], params[2], timeout=params[3], |
380 | b15d625f | Iustin Pop | live_port_needed=params[4], source=params[0]) |
381 | 16abfbc2 | Alexander Schreiber | |
382 | 16abfbc2 | Alexander Schreiber | @staticmethod |
383 | 3ecf6786 | Iustin Pop | def perspective_node_info(params): |
384 | 3ecf6786 | Iustin Pop | """Query node information. |
385 | 3ecf6786 | Iustin Pop | |
386 | 3ecf6786 | Iustin Pop | """ |
387 | a8083063 | Iustin Pop | vgname = params[0] |
388 | a8083063 | Iustin Pop | return backend.GetNodeInfo(vgname) |
389 | a8083063 | Iustin Pop | |
390 | 3ecf6786 | Iustin Pop | @staticmethod |
391 | 3ecf6786 | Iustin Pop | def perspective_node_add(params): |
392 | 3ecf6786 | Iustin Pop | """Complete the registration of this node in the cluster. |
393 | 3ecf6786 | Iustin Pop | |
394 | 3ecf6786 | Iustin Pop | """ |
395 | a8083063 | Iustin Pop | return backend.AddNode(params[0], params[1], params[2], |
396 | a8083063 | Iustin Pop | params[3], params[4], params[5]) |
397 | a8083063 | Iustin Pop | |
398 | 3ecf6786 | Iustin Pop | @staticmethod |
399 | 3ecf6786 | Iustin Pop | def perspective_node_verify(params): |
400 | 3ecf6786 | Iustin Pop | """Run a verify sequence on this node. |
401 | 3ecf6786 | Iustin Pop | |
402 | 3ecf6786 | Iustin Pop | """ |
403 | a8083063 | Iustin Pop | return backend.VerifyNode(params[0]) |
404 | a8083063 | Iustin Pop | |
405 | 3ecf6786 | Iustin Pop | @staticmethod |
406 | 3ecf6786 | Iustin Pop | def perspective_node_start_master(params): |
407 | 3ecf6786 | Iustin Pop | """Promote this node to master status. |
408 | 3ecf6786 | Iustin Pop | |
409 | 3ecf6786 | Iustin Pop | """ |
410 | 1c65840b | Iustin Pop | return backend.StartMaster(params[0]) |
411 | a8083063 | Iustin Pop | |
412 | 3ecf6786 | Iustin Pop | @staticmethod |
413 | 3ecf6786 | Iustin Pop | def perspective_node_stop_master(params): |
414 | 3ecf6786 | Iustin Pop | """Demote this node from master status. |
415 | 3ecf6786 | Iustin Pop | |
416 | 3ecf6786 | Iustin Pop | """ |
417 | 1c65840b | Iustin Pop | return backend.StopMaster(params[0]) |
418 | a8083063 | Iustin Pop | |
419 | 3ecf6786 | Iustin Pop | @staticmethod |
420 | 3ecf6786 | Iustin Pop | def perspective_node_leave_cluster(params): |
421 | 3ecf6786 | Iustin Pop | """Cleanup after leaving a cluster. |
422 | 3ecf6786 | Iustin Pop | |
423 | 3ecf6786 | Iustin Pop | """ |
424 | a8083063 | Iustin Pop | return backend.LeaveCluster() |
425 | a8083063 | Iustin Pop | |
426 | 3ecf6786 | Iustin Pop | @staticmethod |
427 | 3ecf6786 | Iustin Pop | def perspective_node_volumes(params): |
428 | 3ecf6786 | Iustin Pop | """Query the list of all logical volume groups. |
429 | 3ecf6786 | Iustin Pop | |
430 | 3ecf6786 | Iustin Pop | """ |
431 | dcb93971 | Michael Hanselmann | return backend.NodeVolumes() |
432 | dcb93971 | Michael Hanselmann | |
433 | a8083063 | Iustin Pop | # cluster -------------------------- |
434 | a8083063 | Iustin Pop | |
435 | 3ecf6786 | Iustin Pop | @staticmethod |
436 | 3ecf6786 | Iustin Pop | def perspective_version(params): |
437 | 3ecf6786 | Iustin Pop | """Query version information. |
438 | 3ecf6786 | Iustin Pop | |
439 | 3ecf6786 | Iustin Pop | """ |
440 | a8083063 | Iustin Pop | return constants.PROTOCOL_VERSION |
441 | a8083063 | Iustin Pop | |
442 | 3ecf6786 | Iustin Pop | @staticmethod |
443 | 3ecf6786 | Iustin Pop | def perspective_upload_file(params): |
444 | 3ecf6786 | Iustin Pop | """Upload a file. |
445 | 3ecf6786 | Iustin Pop | |
446 | 3ecf6786 | Iustin Pop | Note that the backend implementation imposes strict rules on which |
447 | 3ecf6786 | Iustin Pop | files are accepted. |
448 | 3ecf6786 | Iustin Pop | |
449 | 3ecf6786 | Iustin Pop | """ |
450 | a8083063 | Iustin Pop | return backend.UploadFile(*params) |
451 | a8083063 | Iustin Pop | |
452 | a8083063 | Iustin Pop | |
453 | a8083063 | Iustin Pop | # os ----------------------- |
454 | a8083063 | Iustin Pop | |
455 | 3ecf6786 | Iustin Pop | @staticmethod |
456 | 3ecf6786 | Iustin Pop | def perspective_os_diagnose(params): |
457 | 3ecf6786 | Iustin Pop | """Query detailed information about existing OSes. |
458 | 3ecf6786 | Iustin Pop | |
459 | 3ecf6786 | Iustin Pop | """ |
460 | 4e679f11 | Guido Trotter | return [os.ToDict() for os in backend.DiagnoseOS()] |
461 | a8083063 | Iustin Pop | |
462 | 3ecf6786 | Iustin Pop | @staticmethod |
463 | 3ecf6786 | Iustin Pop | def perspective_os_get(params): |
464 | 3ecf6786 | Iustin Pop | """Query information about a given OS. |
465 | 3ecf6786 | Iustin Pop | |
466 | 3ecf6786 | Iustin Pop | """ |
467 | a8083063 | Iustin Pop | name = params[0] |
468 | a8083063 | Iustin Pop | try: |
469 | dfa96ded | Guido Trotter | os_obj = backend.OSFromDisk(name) |
470 | a8083063 | Iustin Pop | except errors.InvalidOS, err: |
471 | dfa96ded | Guido Trotter | os_obj = objects.OS.FromInvalidOS(err) |
472 | dfa96ded | Guido Trotter | return os_obj.ToDict() |
473 | a8083063 | Iustin Pop | |
474 | a8083063 | Iustin Pop | # hooks ----------------------- |
475 | a8083063 | Iustin Pop | |
476 | 3ecf6786 | Iustin Pop | @staticmethod |
477 | 3ecf6786 | Iustin Pop | def perspective_hooks_runner(params): |
478 | 3ecf6786 | Iustin Pop | """Run hook scripts. |
479 | 3ecf6786 | Iustin Pop | |
480 | 3ecf6786 | Iustin Pop | """ |
481 | a8083063 | Iustin Pop | hpath, phase, env = params |
482 | a8083063 | Iustin Pop | hr = backend.HooksRunner() |
483 | a8083063 | Iustin Pop | return hr.RunHooks(hpath, phase, env) |
484 | a8083063 | Iustin Pop | |
485 | 8d528b7c | Iustin Pop | # iallocator ----------------- |
486 | 8d528b7c | Iustin Pop | |
487 | 8d528b7c | Iustin Pop | @staticmethod |
488 | 8d528b7c | Iustin Pop | def perspective_iallocator_runner(params): |
489 | 8d528b7c | Iustin Pop | """Run an iallocator script. |
490 | 8d528b7c | Iustin Pop | |
491 | 8d528b7c | Iustin Pop | """ |
492 | 8d528b7c | Iustin Pop | name, idata = params |
493 | 8d528b7c | Iustin Pop | iar = backend.IAllocatorRunner() |
494 | 8d528b7c | Iustin Pop | return iar.Run(name, idata) |
495 | 8d528b7c | Iustin Pop | |
496 | 06009e27 | Iustin Pop | # test ----------------------- |
497 | 06009e27 | Iustin Pop | |
498 | 06009e27 | Iustin Pop | @staticmethod |
499 | 06009e27 | Iustin Pop | def perspective_test_delay(params): |
500 | 06009e27 | Iustin Pop | """Run test delay. |
501 | 06009e27 | Iustin Pop | |
502 | 06009e27 | Iustin Pop | """ |
503 | 06009e27 | Iustin Pop | duration = params[0] |
504 | 06009e27 | Iustin Pop | return utils.TestDelay(duration) |
505 | 06009e27 | Iustin Pop | |
506 | a5d7fb43 | Manuel Franceschini | @staticmethod |
507 | a5d7fb43 | Manuel Franceschini | def perspective_file_storage_dir_create(params): |
508 | a5d7fb43 | Manuel Franceschini | """Create the file storage directory. |
509 | a5d7fb43 | Manuel Franceschini | |
510 | a5d7fb43 | Manuel Franceschini | """ |
511 | a5d7fb43 | Manuel Franceschini | file_storage_dir = params[0] |
512 | a5d7fb43 | Manuel Franceschini | return backend.CreateFileStorageDir(file_storage_dir) |
513 | a5d7fb43 | Manuel Franceschini | |
514 | a5d7fb43 | Manuel Franceschini | @staticmethod |
515 | a5d7fb43 | Manuel Franceschini | def perspective_file_storage_dir_remove(params): |
516 | a5d7fb43 | Manuel Franceschini | """Remove the file storage directory. |
517 | a5d7fb43 | Manuel Franceschini | |
518 | a5d7fb43 | Manuel Franceschini | """ |
519 | a5d7fb43 | Manuel Franceschini | file_storage_dir = params[0] |
520 | a5d7fb43 | Manuel Franceschini | return backend.RemoveFileStorageDir(file_storage_dir) |
521 | a5d7fb43 | Manuel Franceschini | |
522 | a5d7fb43 | Manuel Franceschini | @staticmethod |
523 | a5d7fb43 | Manuel Franceschini | def perspective_file_storage_dir_rename(params): |
524 | a5d7fb43 | Manuel Franceschini | """Rename the file storage directory. |
525 | a5d7fb43 | Manuel Franceschini | |
526 | a5d7fb43 | Manuel Franceschini | """ |
527 | a5d7fb43 | Manuel Franceschini | old_file_storage_dir = params[0] |
528 | a5d7fb43 | Manuel Franceschini | new_file_storage_dir = params[1] |
529 | a5d7fb43 | Manuel Franceschini | return backend.RenameFileStorageDir(old_file_storage_dir, |
530 | a5d7fb43 | Manuel Franceschini | new_file_storage_dir) |
531 | a5d7fb43 | Manuel Franceschini | |
532 | a8083063 | Iustin Pop | |
533 | 1df6506c | Michael Hanselmann | class NodeDaemonHttpServer(http.HTTPServer): |
534 | 1df6506c | Michael Hanselmann | def __init__(self, server_address): |
535 | 1df6506c | Michael Hanselmann | http.HTTPServer.__init__(self, server_address, NodeDaemonRequestHandler) |
536 | 84b58db2 | Michael Hanselmann | self.noded_pid = os.getpid() |
537 | 84b58db2 | Michael Hanselmann | |
538 | 84b58db2 | Michael Hanselmann | def serve_forever(self): |
539 | 84b58db2 | Michael Hanselmann | """Handle requests until told to quit.""" |
540 | 84b58db2 | Michael Hanselmann | sighandler = utils.SignalHandler([signal.SIGINT, signal.SIGTERM]) |
541 | 84b58db2 | Michael Hanselmann | try: |
542 | 84b58db2 | Michael Hanselmann | while not sighandler.called: |
543 | 84b58db2 | Michael Hanselmann | self.handle_request() |
544 | 84b58db2 | Michael Hanselmann | # TODO: There could be children running at this point |
545 | 84b58db2 | Michael Hanselmann | finally: |
546 | 84b58db2 | Michael Hanselmann | sighandler.Reset() |
547 | 1df6506c | Michael Hanselmann | |
548 | 1df6506c | Michael Hanselmann | |
549 | 761ce945 | Guido Trotter | class ForkingHTTPServer(SocketServer.ForkingMixIn, NodeDaemonHttpServer): |
550 | 761ce945 | Guido Trotter | """Forking HTTP Server. |
551 | 761ce945 | Guido Trotter | |
552 | 761ce945 | Guido Trotter | This inherits from ForkingMixIn and HTTPServer in order to fork for each |
553 | 761ce945 | Guido Trotter | request we handle. This allows more requests to be handled concurrently. |
554 | 761ce945 | Guido Trotter | |
555 | 761ce945 | Guido Trotter | """ |
556 | 761ce945 | Guido Trotter | |
557 | 761ce945 | Guido Trotter | |
558 | a8083063 | Iustin Pop | def ParseOptions(): |
559 | a8083063 | Iustin Pop | """Parse the command line options. |
560 | a8083063 | Iustin Pop | |
561 | a8083063 | Iustin Pop | Returns: |
562 | a8083063 | Iustin Pop | (options, args) as from OptionParser.parse_args() |
563 | a8083063 | Iustin Pop | |
564 | a8083063 | Iustin Pop | """ |
565 | a8083063 | Iustin Pop | parser = OptionParser(description="Ganeti node daemon", |
566 | a8083063 | Iustin Pop | usage="%prog [-f] [-d]", |
567 | a8083063 | Iustin Pop | version="%%prog (ganeti) %s" % |
568 | a8083063 | Iustin Pop | constants.RELEASE_VERSION) |
569 | a8083063 | Iustin Pop | |
570 | a8083063 | Iustin Pop | parser.add_option("-f", "--foreground", dest="fork", |
571 | a8083063 | Iustin Pop | help="Don't detach from the current terminal", |
572 | a8083063 | Iustin Pop | default=True, action="store_false") |
573 | a8083063 | Iustin Pop | parser.add_option("-d", "--debug", dest="debug", |
574 | a8083063 | Iustin Pop | help="Enable some debug messages", |
575 | a8083063 | Iustin Pop | default=False, action="store_true") |
576 | a8083063 | Iustin Pop | options, args = parser.parse_args() |
577 | a8083063 | Iustin Pop | return options, args |
578 | a8083063 | Iustin Pop | |
579 | a8083063 | Iustin Pop | |
580 | a8083063 | Iustin Pop | def main(): |
581 | 3ecf6786 | Iustin Pop | """Main function for the node daemon. |
582 | 3ecf6786 | Iustin Pop | |
583 | 3ecf6786 | Iustin Pop | """ |
584 | a8083063 | Iustin Pop | options, args = ParseOptions() |
585 | f362096f | Iustin Pop | utils.debug = options.debug |
586 | a8083063 | Iustin Pop | for fname in (constants.SSL_CERT_FILE,): |
587 | a8083063 | Iustin Pop | if not os.path.isfile(fname): |
588 | a8083063 | Iustin Pop | print "config %s not there, will not run." % fname |
589 | a8083063 | Iustin Pop | sys.exit(5) |
590 | a8083063 | Iustin Pop | |
591 | a8083063 | Iustin Pop | try: |
592 | a8083063 | Iustin Pop | ss = ssconf.SimpleStore() |
593 | a8083063 | Iustin Pop | port = ss.GetNodeDaemonPort() |
594 | a8083063 | Iustin Pop | pwdata = ss.GetNodeDaemonPassword() |
595 | a8083063 | Iustin Pop | except errors.ConfigurationError, err: |
596 | a8083063 | Iustin Pop | print "Cluster configuration incomplete: '%s'" % str(err) |
597 | a8083063 | Iustin Pop | sys.exit(5) |
598 | a8083063 | Iustin Pop | |
599 | 195c7f91 | Iustin Pop | # create the various SUB_RUN_DIRS, if not existing, so that we handle the |
600 | 195c7f91 | Iustin Pop | # situation where RUN_DIR is tmpfs |
601 | 195c7f91 | Iustin Pop | for dir_name in constants.SUB_RUN_DIRS: |
602 | 195c7f91 | Iustin Pop | if not os.path.exists(dir_name): |
603 | 195c7f91 | Iustin Pop | try: |
604 | 195c7f91 | Iustin Pop | os.mkdir(dir_name, 0755) |
605 | 195c7f91 | Iustin Pop | except EnvironmentError, err: |
606 | 195c7f91 | Iustin Pop | if err.errno != errno.EEXIST: |
607 | 195c7f91 | Iustin Pop | print ("Node setup wrong, cannot create directory %s: %s" % |
608 | 195c7f91 | Iustin Pop | (dir_name, err)) |
609 | 195c7f91 | Iustin Pop | sys.exit(5) |
610 | 195c7f91 | Iustin Pop | if not os.path.isdir(dir_name): |
611 | 195c7f91 | Iustin Pop | print ("Node setup wrong, %s is not a directory" % dir_name) |
612 | 195c7f91 | Iustin Pop | sys.exit(5) |
613 | 0214b0c0 | Iustin Pop | |
614 | a8083063 | Iustin Pop | # become a daemon |
615 | a8083063 | Iustin Pop | if options.fork: |
616 | 8f765069 | Iustin Pop | utils.Daemonize(logfile=constants.LOG_NODESERVER) |
617 | a8083063 | Iustin Pop | |
618 | 99e88451 | Iustin Pop | utils.WritePidFile(constants.NODED_PID) |
619 | 73d927a2 | Guido Trotter | |
620 | 59f187eb | Iustin Pop | logger.SetupLogging(logfile=constants.LOG_NODESERVER, debug=options.debug, |
621 | 59f187eb | Iustin Pop | stderr_logging=not options.fork) |
622 | c89189b1 | Iustin Pop | logging.info("ganeti node daemon startup") |
623 | a8083063 | Iustin Pop | |
624 | 761ce945 | Guido Trotter | if options.fork: |
625 | 84b58db2 | Michael Hanselmann | server = ForkingHTTPServer(('', port)) |
626 | 761ce945 | Guido Trotter | else: |
627 | 84b58db2 | Michael Hanselmann | server = NodeDaemonHttpServer(('', port)) |
628 | a8083063 | Iustin Pop | |
629 | 73d927a2 | Guido Trotter | try: |
630 | 73d927a2 | Guido Trotter | server.serve_forever() |
631 | 73d927a2 | Guido Trotter | finally: |
632 | 99e88451 | Iustin Pop | utils.RemovePidFile(constants.NODED_PID) |
633 | 73d927a2 | Guido Trotter | |
634 | a8083063 | Iustin Pop | |
635 | 3ecf6786 | Iustin Pop | if __name__ == '__main__': |
636 | a8083063 | Iustin Pop | main() |