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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 | 81010134 | Iustin Pop | import BaseHTTPServer |
31 | 81010134 | Iustin Pop | import simplejson |
32 | 0214b0c0 | Iustin Pop | import errno |
33 | c89189b1 | Iustin Pop | import logging |
34 | a8083063 | Iustin Pop | |
35 | a8083063 | Iustin Pop | from optparse import OptionParser |
36 | a8083063 | Iustin Pop | |
37 | a8083063 | Iustin Pop | |
38 | a8083063 | Iustin Pop | from ganeti import backend |
39 | a8083063 | Iustin Pop | from ganeti import logger |
40 | a8083063 | Iustin Pop | from ganeti import constants |
41 | a8083063 | Iustin Pop | from ganeti import objects |
42 | a8083063 | Iustin Pop | from ganeti import errors |
43 | a8083063 | Iustin Pop | from ganeti import ssconf |
44 | 16abfbc2 | Alexander Schreiber | from ganeti import utils |
45 | a8083063 | Iustin Pop | |
46 | c89189b1 | Iustin Pop | _EXIT_GANETI_NODED = False |
47 | c89189b1 | Iustin Pop | |
48 | a8083063 | Iustin Pop | |
49 | 81010134 | Iustin Pop | class ServerObject(BaseHTTPServer.BaseHTTPRequestHandler): |
50 | 3ecf6786 | Iustin Pop | """The server implementation. |
51 | 3ecf6786 | Iustin Pop | |
52 | 3ecf6786 | Iustin Pop | This class holds all methods exposed over the RPC interface. |
53 | 3ecf6786 | Iustin Pop | |
54 | 3ecf6786 | Iustin Pop | """ |
55 | 81010134 | Iustin Pop | def do_PUT(self): |
56 | 81010134 | Iustin Pop | """Handle a post request. |
57 | a8083063 | Iustin Pop | |
58 | 098c0958 | Michael Hanselmann | """ |
59 | 81010134 | Iustin Pop | path = self.path |
60 | 81010134 | Iustin Pop | if path.startswith("/"): |
61 | 81010134 | Iustin Pop | path = path[1:] |
62 | c89189b1 | Iustin Pop | logging.debug("ServerObject: received call '%s'", path) |
63 | 81010134 | Iustin Pop | mname = "perspective_%s" % path |
64 | 81010134 | Iustin Pop | if not hasattr(self, mname): |
65 | 81010134 | Iustin Pop | self.send_error(404) |
66 | 81010134 | Iustin Pop | return False |
67 | 81010134 | Iustin Pop | |
68 | 81010134 | Iustin Pop | method = getattr(self, mname) |
69 | a8083063 | Iustin Pop | try: |
70 | 81010134 | Iustin Pop | body_length = int(self.headers.get('Content-Length', '0')) |
71 | 81010134 | Iustin Pop | except ValueError: |
72 | 81010134 | Iustin Pop | self.send_error(400, 'No Content-Length header or invalid format') |
73 | 81010134 | Iustin Pop | return False |
74 | a8083063 | Iustin Pop | |
75 | 81010134 | Iustin Pop | try: |
76 | 81010134 | Iustin Pop | body = self.rfile.read(body_length) |
77 | 81010134 | Iustin Pop | except socket.error, err: |
78 | 81010134 | Iustin Pop | logger.Error("Socket error while reading: %s" % str(err)) |
79 | 81010134 | Iustin Pop | return |
80 | 81010134 | Iustin Pop | try: |
81 | 81010134 | Iustin Pop | params = simplejson.loads(body) |
82 | c89189b1 | Iustin Pop | logging.debug("ServerObject: method parameters: %s", params) |
83 | 81010134 | Iustin Pop | result = method(params) |
84 | 81010134 | Iustin Pop | payload = simplejson.dumps(result) |
85 | 9ae49f27 | Guido Trotter | except errors.QuitGanetiException, err: |
86 | 9ae49f27 | Guido Trotter | global _EXIT_GANETI_NODED |
87 | 9ae49f27 | Guido Trotter | _EXIT_GANETI_NODED = True |
88 | c3d7f69b | Guido Trotter | if isinstance(err.args, tuple) and len(err.args) == 2: |
89 | c3d7f69b | Guido Trotter | if err.args[0]: |
90 | 9ae49f27 | Guido Trotter | self.send_error(500, "Error: %s" % str(err[1])) |
91 | 9ae49f27 | Guido Trotter | else: |
92 | c3d7f69b | Guido Trotter | payload = simplejson.dumps(err.args[1]) |
93 | 9ae49f27 | Guido Trotter | else: |
94 | c3d7f69b | Guido Trotter | self.log_message('QuitGanetiException Usage Error') |
95 | 9ae49f27 | Guido Trotter | self.send_error(500, "Error: %s" % str(err)) |
96 | 81010134 | Iustin Pop | except Exception, err: |
97 | 81010134 | Iustin Pop | self.send_error(500, "Error: %s" % str(err)) |
98 | 81010134 | Iustin Pop | return False |
99 | 81010134 | Iustin Pop | self.send_response(200) |
100 | 81010134 | Iustin Pop | self.send_header('Content-Length', str(len(payload))) |
101 | 81010134 | Iustin Pop | self.end_headers() |
102 | 81010134 | Iustin Pop | self.wfile.write(payload) |
103 | 81010134 | Iustin Pop | return True |
104 | 81010134 | Iustin Pop | |
105 | 81010134 | Iustin Pop | def log_message(self, format, *args): |
106 | 81010134 | Iustin Pop | """Log a request to the log. |
107 | 81010134 | Iustin Pop | |
108 | 81010134 | Iustin Pop | This is the same as the parent, we just log somewhere else. |
109 | 81010134 | Iustin Pop | |
110 | 81010134 | Iustin Pop | """ |
111 | 6e12fa3c | Iustin Pop | msg = ("%s - - [%s] %s" % |
112 | 81010134 | Iustin Pop | (self.address_string(), |
113 | 81010134 | Iustin Pop | self.log_date_time_string(), |
114 | 81010134 | Iustin Pop | format % args)) |
115 | c89189b1 | Iustin Pop | logging.debug(msg) |
116 | a8083063 | Iustin Pop | |
117 | a8083063 | Iustin Pop | # the new block devices -------------------------- |
118 | a8083063 | Iustin Pop | |
119 | 3ecf6786 | Iustin Pop | @staticmethod |
120 | 3ecf6786 | Iustin Pop | def perspective_blockdev_create(params): |
121 | 3ecf6786 | Iustin Pop | """Create a block device. |
122 | 3ecf6786 | Iustin Pop | |
123 | 3ecf6786 | Iustin Pop | """ |
124 | 3f78eef2 | Iustin Pop | bdev_s, size, owner, on_primary, info = params |
125 | 319856a9 | Michael Hanselmann | bdev = objects.Disk.FromDict(bdev_s) |
126 | a8083063 | Iustin Pop | if bdev is None: |
127 | a8083063 | Iustin Pop | raise ValueError("can't unserialize data!") |
128 | 3f78eef2 | Iustin Pop | return backend.CreateBlockDevice(bdev, size, owner, on_primary, info) |
129 | a8083063 | Iustin Pop | |
130 | 3ecf6786 | Iustin Pop | @staticmethod |
131 | 3ecf6786 | Iustin Pop | def perspective_blockdev_remove(params): |
132 | 3ecf6786 | Iustin Pop | """Remove a block device. |
133 | 3ecf6786 | Iustin Pop | |
134 | 3ecf6786 | Iustin Pop | """ |
135 | a8083063 | Iustin Pop | bdev_s = params[0] |
136 | 319856a9 | Michael Hanselmann | bdev = objects.Disk.FromDict(bdev_s) |
137 | a8083063 | Iustin Pop | return backend.RemoveBlockDevice(bdev) |
138 | a8083063 | Iustin Pop | |
139 | 3ecf6786 | Iustin Pop | @staticmethod |
140 | f3e513ad | Iustin Pop | def perspective_blockdev_rename(params): |
141 | f3e513ad | Iustin Pop | """Remove a block device. |
142 | f3e513ad | Iustin Pop | |
143 | f3e513ad | Iustin Pop | """ |
144 | f3e513ad | Iustin Pop | devlist = [(objects.Disk.FromDict(ds), uid) for ds, uid in params] |
145 | f3e513ad | Iustin Pop | return backend.RenameBlockDevices(devlist) |
146 | f3e513ad | Iustin Pop | |
147 | f3e513ad | Iustin Pop | @staticmethod |
148 | 3ecf6786 | Iustin Pop | def perspective_blockdev_assemble(params): |
149 | 3ecf6786 | Iustin Pop | """Assemble a block device. |
150 | 3ecf6786 | Iustin Pop | |
151 | 3ecf6786 | Iustin Pop | """ |
152 | 3f78eef2 | Iustin Pop | bdev_s, owner, on_primary = params |
153 | 319856a9 | Michael Hanselmann | bdev = objects.Disk.FromDict(bdev_s) |
154 | a8083063 | Iustin Pop | if bdev is None: |
155 | a8083063 | Iustin Pop | raise ValueError("can't unserialize data!") |
156 | 3f78eef2 | Iustin Pop | return backend.AssembleBlockDevice(bdev, owner, on_primary) |
157 | a8083063 | Iustin Pop | |
158 | 3ecf6786 | Iustin Pop | @staticmethod |
159 | 3ecf6786 | Iustin Pop | def perspective_blockdev_shutdown(params): |
160 | 3ecf6786 | Iustin Pop | """Shutdown a block device. |
161 | 3ecf6786 | Iustin Pop | |
162 | 3ecf6786 | Iustin Pop | """ |
163 | a8083063 | Iustin Pop | bdev_s = params[0] |
164 | 319856a9 | Michael Hanselmann | bdev = objects.Disk.FromDict(bdev_s) |
165 | a8083063 | Iustin Pop | if bdev is None: |
166 | a8083063 | Iustin Pop | raise ValueError("can't unserialize data!") |
167 | a8083063 | Iustin Pop | return backend.ShutdownBlockDevice(bdev) |
168 | a8083063 | Iustin Pop | |
169 | 3ecf6786 | Iustin Pop | @staticmethod |
170 | 153d9724 | Iustin Pop | def perspective_blockdev_addchildren(params): |
171 | 3ecf6786 | Iustin Pop | """Add a child to a mirror device. |
172 | 3ecf6786 | Iustin Pop | |
173 | 3ecf6786 | Iustin Pop | Note: this is only valid for mirror devices. It's the caller's duty |
174 | 3ecf6786 | Iustin Pop | to send a correct disk, otherwise we raise an error. |
175 | 3ecf6786 | Iustin Pop | |
176 | 3ecf6786 | Iustin Pop | """ |
177 | a8083063 | Iustin Pop | bdev_s, ndev_s = params |
178 | 319856a9 | Michael Hanselmann | bdev = objects.Disk.FromDict(bdev_s) |
179 | 153d9724 | Iustin Pop | ndevs = [objects.Disk.FromDict(disk_s) for disk_s in ndev_s] |
180 | 153d9724 | Iustin Pop | if bdev is None or ndevs.count(None) > 0: |
181 | a8083063 | Iustin Pop | raise ValueError("can't unserialize data!") |
182 | 153d9724 | Iustin Pop | return backend.MirrorAddChildren(bdev, ndevs) |
183 | a8083063 | Iustin Pop | |
184 | 3ecf6786 | Iustin Pop | @staticmethod |
185 | 153d9724 | Iustin Pop | def perspective_blockdev_removechildren(params): |
186 | 3ecf6786 | Iustin Pop | """Remove a child from a mirror device. |
187 | 3ecf6786 | Iustin Pop | |
188 | 3ecf6786 | Iustin Pop | This is only valid for mirror devices, of course. It's the callers |
189 | 3ecf6786 | Iustin Pop | duty to send a correct disk, otherwise we raise an error. |
190 | 3ecf6786 | Iustin Pop | |
191 | 3ecf6786 | Iustin Pop | """ |
192 | a8083063 | Iustin Pop | bdev_s, ndev_s = params |
193 | 319856a9 | Michael Hanselmann | bdev = objects.Disk.FromDict(bdev_s) |
194 | 153d9724 | Iustin Pop | ndevs = [objects.Disk.FromDict(disk_s) for disk_s in ndev_s] |
195 | 153d9724 | Iustin Pop | if bdev is None or ndevs.count(None) > 0: |
196 | a8083063 | Iustin Pop | raise ValueError("can't unserialize data!") |
197 | 153d9724 | Iustin Pop | return backend.MirrorRemoveChildren(bdev, ndevs) |
198 | a8083063 | Iustin Pop | |
199 | 3ecf6786 | Iustin Pop | @staticmethod |
200 | 3ecf6786 | Iustin Pop | def perspective_blockdev_getmirrorstatus(params): |
201 | 3ecf6786 | Iustin Pop | """Return the mirror status for a list of disks. |
202 | 3ecf6786 | Iustin Pop | |
203 | 3ecf6786 | Iustin Pop | """ |
204 | 319856a9 | Michael Hanselmann | disks = [objects.Disk.FromDict(dsk_s) |
205 | a8083063 | Iustin Pop | for dsk_s in params] |
206 | a8083063 | Iustin Pop | return backend.GetMirrorStatus(disks) |
207 | a8083063 | Iustin Pop | |
208 | 3ecf6786 | Iustin Pop | @staticmethod |
209 | 3ecf6786 | Iustin Pop | def perspective_blockdev_find(params): |
210 | 3ecf6786 | Iustin Pop | """Expose the FindBlockDevice functionality for a disk. |
211 | 3ecf6786 | Iustin Pop | |
212 | 3ecf6786 | Iustin Pop | This will try to find but not activate a disk. |
213 | 3ecf6786 | Iustin Pop | |
214 | 3ecf6786 | Iustin Pop | """ |
215 | 319856a9 | Michael Hanselmann | disk = objects.Disk.FromDict(params[0]) |
216 | a8083063 | Iustin Pop | return backend.FindBlockDevice(disk) |
217 | a8083063 | Iustin Pop | |
218 | 3ecf6786 | Iustin Pop | @staticmethod |
219 | 3ecf6786 | Iustin Pop | def perspective_blockdev_snapshot(params): |
220 | 3ecf6786 | Iustin Pop | """Create a snapshot device. |
221 | 3ecf6786 | Iustin Pop | |
222 | 3ecf6786 | Iustin Pop | Note that this is only valid for LVM disks, if we get passed |
223 | 3ecf6786 | Iustin Pop | something else we raise an exception. The snapshot device can be |
224 | 3ecf6786 | Iustin Pop | remove by calling the generic block device remove call. |
225 | 3ecf6786 | Iustin Pop | |
226 | 3ecf6786 | Iustin Pop | """ |
227 | 319856a9 | Michael Hanselmann | cfbd = objects.Disk.FromDict(params[0]) |
228 | a8083063 | Iustin Pop | return backend.SnapshotBlockDevice(cfbd) |
229 | a8083063 | Iustin Pop | |
230 | 4c8ba8b3 | Iustin Pop | @staticmethod |
231 | 4c8ba8b3 | Iustin Pop | def perspective_blockdev_grow(params): |
232 | 4c8ba8b3 | Iustin Pop | """Grow a stack of devices. |
233 | 4c8ba8b3 | Iustin Pop | |
234 | 4c8ba8b3 | Iustin Pop | """ |
235 | 4c8ba8b3 | Iustin Pop | cfbd = objects.Disk.FromDict(params[0]) |
236 | 4c8ba8b3 | Iustin Pop | amount = params[1] |
237 | 4c8ba8b3 | Iustin Pop | return backend.GrowBlockDevice(cfbd, amount) |
238 | 4c8ba8b3 | Iustin Pop | |
239 | d61cbe76 | Iustin Pop | @staticmethod |
240 | d61cbe76 | Iustin Pop | def perspective_blockdev_close(params): |
241 | d61cbe76 | Iustin Pop | """Closes the given block devices. |
242 | d61cbe76 | Iustin Pop | |
243 | d61cbe76 | Iustin Pop | """ |
244 | d61cbe76 | Iustin Pop | disks = [objects.Disk.FromDict(cf) for cf in params] |
245 | d61cbe76 | Iustin Pop | return backend.CloseBlockDevices(disks) |
246 | d61cbe76 | Iustin Pop | |
247 | a8083063 | Iustin Pop | # export/import -------------------------- |
248 | a8083063 | Iustin Pop | |
249 | 3ecf6786 | Iustin Pop | @staticmethod |
250 | 3ecf6786 | Iustin Pop | def perspective_snapshot_export(params): |
251 | 3ecf6786 | Iustin Pop | """Export a given snapshot. |
252 | 3ecf6786 | Iustin Pop | |
253 | 3ecf6786 | Iustin Pop | """ |
254 | 319856a9 | Michael Hanselmann | disk = objects.Disk.FromDict(params[0]) |
255 | a8083063 | Iustin Pop | dest_node = params[1] |
256 | 319856a9 | Michael Hanselmann | instance = objects.Instance.FromDict(params[2]) |
257 | 3ecf6786 | Iustin Pop | return backend.ExportSnapshot(disk, dest_node, instance) |
258 | 3ecf6786 | Iustin Pop | |
259 | 3ecf6786 | Iustin Pop | @staticmethod |
260 | 3ecf6786 | Iustin Pop | def perspective_finalize_export(params): |
261 | 3ecf6786 | Iustin Pop | """Expose the finalize export functionality. |
262 | a8083063 | Iustin Pop | |
263 | 3ecf6786 | Iustin Pop | """ |
264 | 319856a9 | Michael Hanselmann | instance = objects.Instance.FromDict(params[0]) |
265 | 319856a9 | Michael Hanselmann | snap_disks = [objects.Disk.FromDict(str_data) |
266 | a8083063 | Iustin Pop | for str_data in params[1]] |
267 | a8083063 | Iustin Pop | return backend.FinalizeExport(instance, snap_disks) |
268 | a8083063 | Iustin Pop | |
269 | 3ecf6786 | Iustin Pop | @staticmethod |
270 | 3ecf6786 | Iustin Pop | def perspective_export_info(params): |
271 | 3ecf6786 | Iustin Pop | """Query information about an existing export on this node. |
272 | 3ecf6786 | Iustin Pop | |
273 | 3ecf6786 | Iustin Pop | The given path may not contain an export, in which case we return |
274 | 3ecf6786 | Iustin Pop | None. |
275 | 3ecf6786 | Iustin Pop | |
276 | 3ecf6786 | Iustin Pop | """ |
277 | 3ecf6786 | Iustin Pop | path = params[0] |
278 | 3ecf6786 | Iustin Pop | einfo = backend.ExportInfo(path) |
279 | a8083063 | Iustin Pop | if einfo is None: |
280 | a8083063 | Iustin Pop | return einfo |
281 | a8083063 | Iustin Pop | return einfo.Dumps() |
282 | a8083063 | Iustin Pop | |
283 | 3ecf6786 | Iustin Pop | @staticmethod |
284 | 3ecf6786 | Iustin Pop | def perspective_export_list(params): |
285 | 3ecf6786 | Iustin Pop | """List the available exports on this node. |
286 | 3ecf6786 | Iustin Pop | |
287 | 3ecf6786 | Iustin Pop | Note that as opposed to export_info, which may query data about an |
288 | 3ecf6786 | Iustin Pop | export in any path, this only queries the standard Ganeti path |
289 | 3ecf6786 | Iustin Pop | (constants.EXPORT_DIR). |
290 | 3ecf6786 | Iustin Pop | |
291 | 3ecf6786 | Iustin Pop | """ |
292 | a8083063 | Iustin Pop | return backend.ListExports() |
293 | a8083063 | Iustin Pop | |
294 | 3ecf6786 | Iustin Pop | @staticmethod |
295 | 3ecf6786 | Iustin Pop | def perspective_export_remove(params): |
296 | 3ecf6786 | Iustin Pop | """Remove an export. |
297 | 3ecf6786 | Iustin Pop | |
298 | 3ecf6786 | Iustin Pop | """ |
299 | a8083063 | Iustin Pop | export = params[0] |
300 | a8083063 | Iustin Pop | return backend.RemoveExport(export) |
301 | a8083063 | Iustin Pop | |
302 | a8083063 | Iustin Pop | # volume -------------------------- |
303 | a8083063 | Iustin Pop | |
304 | 3ecf6786 | Iustin Pop | @staticmethod |
305 | 3ecf6786 | Iustin Pop | def perspective_volume_list(params): |
306 | 3ecf6786 | Iustin Pop | """Query the list of logical volumes in a given volume group. |
307 | 3ecf6786 | Iustin Pop | |
308 | 3ecf6786 | Iustin Pop | """ |
309 | a8083063 | Iustin Pop | vgname = params[0] |
310 | a8083063 | Iustin Pop | return backend.GetVolumeList(vgname) |
311 | a8083063 | Iustin Pop | |
312 | 3ecf6786 | Iustin Pop | @staticmethod |
313 | 3ecf6786 | Iustin Pop | def perspective_vg_list(params): |
314 | 3ecf6786 | Iustin Pop | """Query the list of volume groups. |
315 | 3ecf6786 | Iustin Pop | |
316 | 3ecf6786 | Iustin Pop | """ |
317 | a8083063 | Iustin Pop | return backend.ListVolumeGroups() |
318 | a8083063 | Iustin Pop | |
319 | a8083063 | Iustin Pop | # bridge -------------------------- |
320 | a8083063 | Iustin Pop | |
321 | 3ecf6786 | Iustin Pop | @staticmethod |
322 | 3ecf6786 | Iustin Pop | def perspective_bridges_exist(params): |
323 | 3ecf6786 | Iustin Pop | """Check if all bridges given exist on this node. |
324 | 3ecf6786 | Iustin Pop | |
325 | 3ecf6786 | Iustin Pop | """ |
326 | a8083063 | Iustin Pop | bridges_list = params[0] |
327 | a8083063 | Iustin Pop | return backend.BridgesExist(bridges_list) |
328 | a8083063 | Iustin Pop | |
329 | a8083063 | Iustin Pop | # instance -------------------------- |
330 | a8083063 | Iustin Pop | |
331 | 3ecf6786 | Iustin Pop | @staticmethod |
332 | 3ecf6786 | Iustin Pop | def perspective_instance_os_add(params): |
333 | 3ecf6786 | Iustin Pop | """Install an OS on a given instance. |
334 | 3ecf6786 | Iustin Pop | |
335 | 3ecf6786 | Iustin Pop | """ |
336 | a8083063 | Iustin Pop | inst_s, os_disk, swap_disk = params |
337 | 319856a9 | Michael Hanselmann | inst = objects.Instance.FromDict(inst_s) |
338 | a8083063 | Iustin Pop | return backend.AddOSToInstance(inst, os_disk, swap_disk) |
339 | a8083063 | Iustin Pop | |
340 | 3ecf6786 | Iustin Pop | @staticmethod |
341 | decd5f45 | Iustin Pop | def perspective_instance_run_rename(params): |
342 | decd5f45 | Iustin Pop | """Runs the OS rename script for an instance. |
343 | decd5f45 | Iustin Pop | |
344 | decd5f45 | Iustin Pop | """ |
345 | decd5f45 | Iustin Pop | inst_s, old_name, os_disk, swap_disk = params |
346 | 319856a9 | Michael Hanselmann | inst = objects.Instance.FromDict(inst_s) |
347 | decd5f45 | Iustin Pop | return backend.RunRenameInstance(inst, old_name, os_disk, swap_disk) |
348 | decd5f45 | Iustin Pop | |
349 | decd5f45 | Iustin Pop | @staticmethod |
350 | 3ecf6786 | Iustin Pop | def perspective_instance_os_import(params): |
351 | 3ecf6786 | Iustin Pop | """Run the import function of an OS onto a given instance. |
352 | 3ecf6786 | Iustin Pop | |
353 | 3ecf6786 | Iustin Pop | """ |
354 | a8083063 | Iustin Pop | inst_s, os_disk, swap_disk, src_node, src_image = params |
355 | 319856a9 | Michael Hanselmann | inst = objects.Instance.FromDict(inst_s) |
356 | a8083063 | Iustin Pop | return backend.ImportOSIntoInstance(inst, os_disk, swap_disk, |
357 | a8083063 | Iustin Pop | src_node, src_image) |
358 | a8083063 | Iustin Pop | |
359 | 3ecf6786 | Iustin Pop | @staticmethod |
360 | 3ecf6786 | Iustin Pop | def perspective_instance_shutdown(params): |
361 | 3ecf6786 | Iustin Pop | """Shutdown an instance. |
362 | 3ecf6786 | Iustin Pop | |
363 | 3ecf6786 | Iustin Pop | """ |
364 | 319856a9 | Michael Hanselmann | instance = objects.Instance.FromDict(params[0]) |
365 | a8083063 | Iustin Pop | return backend.ShutdownInstance(instance) |
366 | a8083063 | Iustin Pop | |
367 | 3ecf6786 | Iustin Pop | @staticmethod |
368 | 3ecf6786 | Iustin Pop | def perspective_instance_start(params): |
369 | 3ecf6786 | Iustin Pop | """Start an instance. |
370 | 3ecf6786 | Iustin Pop | |
371 | 3ecf6786 | Iustin Pop | """ |
372 | 319856a9 | Michael Hanselmann | instance = objects.Instance.FromDict(params[0]) |
373 | a8083063 | Iustin Pop | extra_args = params[1] |
374 | a8083063 | Iustin Pop | return backend.StartInstance(instance, extra_args) |
375 | a8083063 | Iustin Pop | |
376 | 3ecf6786 | Iustin Pop | @staticmethod |
377 | 2a10865c | Iustin Pop | def perspective_instance_migrate(params): |
378 | 2a10865c | Iustin Pop | """Migrates an instance. |
379 | 2a10865c | Iustin Pop | |
380 | 2a10865c | Iustin Pop | """ |
381 | 2a10865c | Iustin Pop | instance, target, live = params |
382 | 2a10865c | Iustin Pop | return backend.MigrateInstance(instance, target, live) |
383 | 2a10865c | Iustin Pop | |
384 | 2a10865c | Iustin Pop | @staticmethod |
385 | 007a2f3e | Alexander Schreiber | def perspective_instance_reboot(params): |
386 | 007a2f3e | Alexander Schreiber | """Reboot an instance. |
387 | 007a2f3e | Alexander Schreiber | |
388 | 007a2f3e | Alexander Schreiber | """ |
389 | 007a2f3e | Alexander Schreiber | instance = objects.Instance.FromDict(params[0]) |
390 | 007a2f3e | Alexander Schreiber | reboot_type = params[1] |
391 | 007a2f3e | Alexander Schreiber | extra_args = params[2] |
392 | 007a2f3e | Alexander Schreiber | return backend.RebootInstance(instance, reboot_type, extra_args) |
393 | 007a2f3e | Alexander Schreiber | |
394 | 007a2f3e | Alexander Schreiber | @staticmethod |
395 | 3ecf6786 | Iustin Pop | def perspective_instance_info(params): |
396 | 3ecf6786 | Iustin Pop | """Query instance information. |
397 | 3ecf6786 | Iustin Pop | |
398 | 3ecf6786 | Iustin Pop | """ |
399 | a8083063 | Iustin Pop | return backend.GetInstanceInfo(params[0]) |
400 | a8083063 | Iustin Pop | |
401 | 3ecf6786 | Iustin Pop | @staticmethod |
402 | 3ecf6786 | Iustin Pop | def perspective_all_instances_info(params): |
403 | 3ecf6786 | Iustin Pop | """Query information about all instances. |
404 | 3ecf6786 | Iustin Pop | |
405 | 3ecf6786 | Iustin Pop | """ |
406 | a8083063 | Iustin Pop | return backend.GetAllInstancesInfo() |
407 | a8083063 | Iustin Pop | |
408 | 3ecf6786 | Iustin Pop | @staticmethod |
409 | 3ecf6786 | Iustin Pop | def perspective_instance_list(params): |
410 | 3ecf6786 | Iustin Pop | """Query the list of running instances. |
411 | 3ecf6786 | Iustin Pop | |
412 | 3ecf6786 | Iustin Pop | """ |
413 | a8083063 | Iustin Pop | return backend.GetInstanceList() |
414 | a8083063 | Iustin Pop | |
415 | a8083063 | Iustin Pop | # node -------------------------- |
416 | a8083063 | Iustin Pop | |
417 | 3ecf6786 | Iustin Pop | @staticmethod |
418 | 16abfbc2 | Alexander Schreiber | def perspective_node_tcp_ping(params): |
419 | 16abfbc2 | Alexander Schreiber | """Do a TcpPing on the remote node. |
420 | 16abfbc2 | Alexander Schreiber | |
421 | 16abfbc2 | Alexander Schreiber | """ |
422 | b15d625f | Iustin Pop | return utils.TcpPing(params[1], params[2], timeout=params[3], |
423 | b15d625f | Iustin Pop | live_port_needed=params[4], source=params[0]) |
424 | 16abfbc2 | Alexander Schreiber | |
425 | 16abfbc2 | Alexander Schreiber | @staticmethod |
426 | 3ecf6786 | Iustin Pop | def perspective_node_info(params): |
427 | 3ecf6786 | Iustin Pop | """Query node information. |
428 | 3ecf6786 | Iustin Pop | |
429 | 3ecf6786 | Iustin Pop | """ |
430 | a8083063 | Iustin Pop | vgname = params[0] |
431 | a8083063 | Iustin Pop | return backend.GetNodeInfo(vgname) |
432 | a8083063 | Iustin Pop | |
433 | 3ecf6786 | Iustin Pop | @staticmethod |
434 | 3ecf6786 | Iustin Pop | def perspective_node_add(params): |
435 | 3ecf6786 | Iustin Pop | """Complete the registration of this node in the cluster. |
436 | 3ecf6786 | Iustin Pop | |
437 | 3ecf6786 | Iustin Pop | """ |
438 | a8083063 | Iustin Pop | return backend.AddNode(params[0], params[1], params[2], |
439 | a8083063 | Iustin Pop | params[3], params[4], params[5]) |
440 | a8083063 | Iustin Pop | |
441 | 3ecf6786 | Iustin Pop | @staticmethod |
442 | 3ecf6786 | Iustin Pop | def perspective_node_verify(params): |
443 | 3ecf6786 | Iustin Pop | """Run a verify sequence on this node. |
444 | 3ecf6786 | Iustin Pop | |
445 | 3ecf6786 | Iustin Pop | """ |
446 | a8083063 | Iustin Pop | return backend.VerifyNode(params[0]) |
447 | a8083063 | Iustin Pop | |
448 | 3ecf6786 | Iustin Pop | @staticmethod |
449 | 3ecf6786 | Iustin Pop | def perspective_node_start_master(params): |
450 | 3ecf6786 | Iustin Pop | """Promote this node to master status. |
451 | 3ecf6786 | Iustin Pop | |
452 | 3ecf6786 | Iustin Pop | """ |
453 | a8083063 | Iustin Pop | return backend.StartMaster() |
454 | a8083063 | Iustin Pop | |
455 | 3ecf6786 | Iustin Pop | @staticmethod |
456 | 3ecf6786 | Iustin Pop | def perspective_node_stop_master(params): |
457 | 3ecf6786 | Iustin Pop | """Demote this node from master status. |
458 | 3ecf6786 | Iustin Pop | |
459 | 3ecf6786 | Iustin Pop | """ |
460 | a8083063 | Iustin Pop | return backend.StopMaster() |
461 | a8083063 | Iustin Pop | |
462 | 3ecf6786 | Iustin Pop | @staticmethod |
463 | 3ecf6786 | Iustin Pop | def perspective_node_leave_cluster(params): |
464 | 3ecf6786 | Iustin Pop | """Cleanup after leaving a cluster. |
465 | 3ecf6786 | Iustin Pop | |
466 | 3ecf6786 | Iustin Pop | """ |
467 | a8083063 | Iustin Pop | return backend.LeaveCluster() |
468 | a8083063 | Iustin Pop | |
469 | 3ecf6786 | Iustin Pop | @staticmethod |
470 | 3ecf6786 | Iustin Pop | def perspective_node_volumes(params): |
471 | 3ecf6786 | Iustin Pop | """Query the list of all logical volume groups. |
472 | 3ecf6786 | Iustin Pop | |
473 | 3ecf6786 | Iustin Pop | """ |
474 | dcb93971 | Michael Hanselmann | return backend.NodeVolumes() |
475 | dcb93971 | Michael Hanselmann | |
476 | a8083063 | Iustin Pop | # cluster -------------------------- |
477 | a8083063 | Iustin Pop | |
478 | 3ecf6786 | Iustin Pop | @staticmethod |
479 | 3ecf6786 | Iustin Pop | def perspective_version(params): |
480 | 3ecf6786 | Iustin Pop | """Query version information. |
481 | 3ecf6786 | Iustin Pop | |
482 | 3ecf6786 | Iustin Pop | """ |
483 | a8083063 | Iustin Pop | return constants.PROTOCOL_VERSION |
484 | a8083063 | Iustin Pop | |
485 | 3ecf6786 | Iustin Pop | @staticmethod |
486 | 3ecf6786 | Iustin Pop | def perspective_upload_file(params): |
487 | 3ecf6786 | Iustin Pop | """Upload a file. |
488 | 3ecf6786 | Iustin Pop | |
489 | 3ecf6786 | Iustin Pop | Note that the backend implementation imposes strict rules on which |
490 | 3ecf6786 | Iustin Pop | files are accepted. |
491 | 3ecf6786 | Iustin Pop | |
492 | 3ecf6786 | Iustin Pop | """ |
493 | a8083063 | Iustin Pop | return backend.UploadFile(*params) |
494 | a8083063 | Iustin Pop | |
495 | a8083063 | Iustin Pop | |
496 | a8083063 | Iustin Pop | # os ----------------------- |
497 | a8083063 | Iustin Pop | |
498 | 3ecf6786 | Iustin Pop | @staticmethod |
499 | 3ecf6786 | Iustin Pop | def perspective_os_diagnose(params): |
500 | 3ecf6786 | Iustin Pop | """Query detailed information about existing OSes. |
501 | 3ecf6786 | Iustin Pop | |
502 | 3ecf6786 | Iustin Pop | """ |
503 | 4e679f11 | Guido Trotter | return [os.ToDict() for os in backend.DiagnoseOS()] |
504 | a8083063 | Iustin Pop | |
505 | 3ecf6786 | Iustin Pop | @staticmethod |
506 | 3ecf6786 | Iustin Pop | def perspective_os_get(params): |
507 | 3ecf6786 | Iustin Pop | """Query information about a given OS. |
508 | 3ecf6786 | Iustin Pop | |
509 | 3ecf6786 | Iustin Pop | """ |
510 | a8083063 | Iustin Pop | name = params[0] |
511 | a8083063 | Iustin Pop | try: |
512 | dfa96ded | Guido Trotter | os_obj = backend.OSFromDisk(name) |
513 | a8083063 | Iustin Pop | except errors.InvalidOS, err: |
514 | dfa96ded | Guido Trotter | os_obj = objects.OS.FromInvalidOS(err) |
515 | dfa96ded | Guido Trotter | return os_obj.ToDict() |
516 | a8083063 | Iustin Pop | |
517 | a8083063 | Iustin Pop | # hooks ----------------------- |
518 | a8083063 | Iustin Pop | |
519 | 3ecf6786 | Iustin Pop | @staticmethod |
520 | 3ecf6786 | Iustin Pop | def perspective_hooks_runner(params): |
521 | 3ecf6786 | Iustin Pop | """Run hook scripts. |
522 | 3ecf6786 | Iustin Pop | |
523 | 3ecf6786 | Iustin Pop | """ |
524 | a8083063 | Iustin Pop | hpath, phase, env = params |
525 | a8083063 | Iustin Pop | hr = backend.HooksRunner() |
526 | a8083063 | Iustin Pop | return hr.RunHooks(hpath, phase, env) |
527 | a8083063 | Iustin Pop | |
528 | 8d528b7c | Iustin Pop | # iallocator ----------------- |
529 | 8d528b7c | Iustin Pop | |
530 | 8d528b7c | Iustin Pop | @staticmethod |
531 | 8d528b7c | Iustin Pop | def perspective_iallocator_runner(params): |
532 | 8d528b7c | Iustin Pop | """Run an iallocator script. |
533 | 8d528b7c | Iustin Pop | |
534 | 8d528b7c | Iustin Pop | """ |
535 | 8d528b7c | Iustin Pop | name, idata = params |
536 | 8d528b7c | Iustin Pop | iar = backend.IAllocatorRunner() |
537 | 8d528b7c | Iustin Pop | return iar.Run(name, idata) |
538 | 8d528b7c | Iustin Pop | |
539 | 06009e27 | Iustin Pop | # test ----------------------- |
540 | 06009e27 | Iustin Pop | |
541 | 06009e27 | Iustin Pop | @staticmethod |
542 | 06009e27 | Iustin Pop | def perspective_test_delay(params): |
543 | 06009e27 | Iustin Pop | """Run test delay. |
544 | 06009e27 | Iustin Pop | |
545 | 06009e27 | Iustin Pop | """ |
546 | 06009e27 | Iustin Pop | duration = params[0] |
547 | 06009e27 | Iustin Pop | return utils.TestDelay(duration) |
548 | 06009e27 | Iustin Pop | |
549 | a5d7fb43 | Manuel Franceschini | @staticmethod |
550 | a5d7fb43 | Manuel Franceschini | def perspective_file_storage_dir_create(params): |
551 | a5d7fb43 | Manuel Franceschini | """Create the file storage directory. |
552 | a5d7fb43 | Manuel Franceschini | |
553 | a5d7fb43 | Manuel Franceschini | """ |
554 | a5d7fb43 | Manuel Franceschini | file_storage_dir = params[0] |
555 | a5d7fb43 | Manuel Franceschini | return backend.CreateFileStorageDir(file_storage_dir) |
556 | a5d7fb43 | Manuel Franceschini | |
557 | a5d7fb43 | Manuel Franceschini | @staticmethod |
558 | a5d7fb43 | Manuel Franceschini | def perspective_file_storage_dir_remove(params): |
559 | a5d7fb43 | Manuel Franceschini | """Remove the file storage directory. |
560 | a5d7fb43 | Manuel Franceschini | |
561 | a5d7fb43 | Manuel Franceschini | """ |
562 | a5d7fb43 | Manuel Franceschini | file_storage_dir = params[0] |
563 | a5d7fb43 | Manuel Franceschini | return backend.RemoveFileStorageDir(file_storage_dir) |
564 | a5d7fb43 | Manuel Franceschini | |
565 | a5d7fb43 | Manuel Franceschini | @staticmethod |
566 | a5d7fb43 | Manuel Franceschini | def perspective_file_storage_dir_rename(params): |
567 | a5d7fb43 | Manuel Franceschini | """Rename the file storage directory. |
568 | a5d7fb43 | Manuel Franceschini | |
569 | a5d7fb43 | Manuel Franceschini | """ |
570 | a5d7fb43 | Manuel Franceschini | old_file_storage_dir = params[0] |
571 | a5d7fb43 | Manuel Franceschini | new_file_storage_dir = params[1] |
572 | a5d7fb43 | Manuel Franceschini | return backend.RenameFileStorageDir(old_file_storage_dir, |
573 | a5d7fb43 | Manuel Franceschini | new_file_storage_dir) |
574 | a5d7fb43 | Manuel Franceschini | |
575 | a8083063 | Iustin Pop | |
576 | a8083063 | Iustin Pop | def ParseOptions(): |
577 | a8083063 | Iustin Pop | """Parse the command line options. |
578 | a8083063 | Iustin Pop | |
579 | a8083063 | Iustin Pop | Returns: |
580 | a8083063 | Iustin Pop | (options, args) as from OptionParser.parse_args() |
581 | a8083063 | Iustin Pop | |
582 | a8083063 | Iustin Pop | """ |
583 | a8083063 | Iustin Pop | parser = OptionParser(description="Ganeti node daemon", |
584 | a8083063 | Iustin Pop | usage="%prog [-f] [-d]", |
585 | a8083063 | Iustin Pop | version="%%prog (ganeti) %s" % |
586 | a8083063 | Iustin Pop | constants.RELEASE_VERSION) |
587 | a8083063 | Iustin Pop | |
588 | a8083063 | Iustin Pop | parser.add_option("-f", "--foreground", dest="fork", |
589 | a8083063 | Iustin Pop | help="Don't detach from the current terminal", |
590 | a8083063 | Iustin Pop | default=True, action="store_false") |
591 | a8083063 | Iustin Pop | parser.add_option("-d", "--debug", dest="debug", |
592 | a8083063 | Iustin Pop | help="Enable some debug messages", |
593 | a8083063 | Iustin Pop | default=False, action="store_true") |
594 | a8083063 | Iustin Pop | options, args = parser.parse_args() |
595 | a8083063 | Iustin Pop | return options, args |
596 | a8083063 | Iustin Pop | |
597 | a8083063 | Iustin Pop | |
598 | a8083063 | Iustin Pop | def main(): |
599 | 3ecf6786 | Iustin Pop | """Main function for the node daemon. |
600 | 3ecf6786 | Iustin Pop | |
601 | 3ecf6786 | Iustin Pop | """ |
602 | a8083063 | Iustin Pop | options, args = ParseOptions() |
603 | f362096f | Iustin Pop | utils.debug = options.debug |
604 | a8083063 | Iustin Pop | for fname in (constants.SSL_CERT_FILE,): |
605 | a8083063 | Iustin Pop | if not os.path.isfile(fname): |
606 | a8083063 | Iustin Pop | print "config %s not there, will not run." % fname |
607 | a8083063 | Iustin Pop | sys.exit(5) |
608 | a8083063 | Iustin Pop | |
609 | a8083063 | Iustin Pop | try: |
610 | a8083063 | Iustin Pop | ss = ssconf.SimpleStore() |
611 | a8083063 | Iustin Pop | port = ss.GetNodeDaemonPort() |
612 | a8083063 | Iustin Pop | pwdata = ss.GetNodeDaemonPassword() |
613 | a8083063 | Iustin Pop | except errors.ConfigurationError, err: |
614 | a8083063 | Iustin Pop | print "Cluster configuration incomplete: '%s'" % str(err) |
615 | a8083063 | Iustin Pop | sys.exit(5) |
616 | a8083063 | Iustin Pop | |
617 | 195c7f91 | Iustin Pop | # create the various SUB_RUN_DIRS, if not existing, so that we handle the |
618 | 195c7f91 | Iustin Pop | # situation where RUN_DIR is tmpfs |
619 | 195c7f91 | Iustin Pop | for dir_name in constants.SUB_RUN_DIRS: |
620 | 195c7f91 | Iustin Pop | if not os.path.exists(dir_name): |
621 | 195c7f91 | Iustin Pop | try: |
622 | 195c7f91 | Iustin Pop | os.mkdir(dir_name, 0755) |
623 | 195c7f91 | Iustin Pop | except EnvironmentError, err: |
624 | 195c7f91 | Iustin Pop | if err.errno != errno.EEXIST: |
625 | 195c7f91 | Iustin Pop | print ("Node setup wrong, cannot create directory %s: %s" % |
626 | 195c7f91 | Iustin Pop | (dir_name, err)) |
627 | 195c7f91 | Iustin Pop | sys.exit(5) |
628 | 195c7f91 | Iustin Pop | if not os.path.isdir(dir_name): |
629 | 195c7f91 | Iustin Pop | print ("Node setup wrong, %s is not a directory" % dir_name) |
630 | 195c7f91 | Iustin Pop | sys.exit(5) |
631 | 0214b0c0 | Iustin Pop | |
632 | a8083063 | Iustin Pop | # become a daemon |
633 | a8083063 | Iustin Pop | if options.fork: |
634 | 8f765069 | Iustin Pop | utils.Daemonize(logfile=constants.LOG_NODESERVER) |
635 | a8083063 | Iustin Pop | |
636 | ff5fac04 | Iustin Pop | logger.SetupDaemon(logfile=constants.LOG_NODESERVER, debug=options.debug, |
637 | ff5fac04 | Iustin Pop | stderr_logging=not options.fork) |
638 | c89189b1 | Iustin Pop | logging.info("ganeti node daemon startup") |
639 | a8083063 | Iustin Pop | |
640 | 3b3db8fd | Guido Trotter | global _EXIT_GANETI_NODED |
641 | 3b3db8fd | Guido Trotter | |
642 | 81010134 | Iustin Pop | httpd = BaseHTTPServer.HTTPServer(('', port), ServerObject) |
643 | 3b3db8fd | Guido Trotter | while (not _EXIT_GANETI_NODED): |
644 | 3b3db8fd | Guido Trotter | httpd.handle_request() |
645 | a8083063 | Iustin Pop | |
646 | a8083063 | Iustin Pop | |
647 | 3ecf6786 | Iustin Pop | if __name__ == '__main__': |
648 | a8083063 | Iustin Pop | main() |