root / daemons / ganeti-noded @ 1268d6fd
History | View | Annotate | Download (21.1 kB)
1 | a8083063 | Iustin Pop | #!/usr/bin/python |
---|---|---|---|
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 constants |
39 | a8083063 | Iustin Pop | from ganeti import objects |
40 | a8083063 | Iustin Pop | from ganeti import errors |
41 | 25d6d12a | Michael Hanselmann | from ganeti import jstore |
42 | cc28af80 | Michael Hanselmann | from ganeti import daemon |
43 | 1df6506c | Michael Hanselmann | from ganeti import http |
44 | 16abfbc2 | Alexander Schreiber | from ganeti import utils |
45 | a8083063 | Iustin Pop | |
46 | 19205c39 | Michael Hanselmann | import ganeti.http.server |
47 | 19205c39 | Michael Hanselmann | |
48 | a8083063 | Iustin Pop | |
49 | 25d6d12a | Michael Hanselmann | queue_lock = None |
50 | 25d6d12a | Michael Hanselmann | |
51 | 25d6d12a | Michael Hanselmann | |
52 | 7f30777b | Michael Hanselmann | def _RequireJobQueueLock(fn): |
53 | 7f30777b | Michael Hanselmann | """Decorator for job queue manipulating functions. |
54 | 7f30777b | Michael Hanselmann | |
55 | 7f30777b | Michael Hanselmann | """ |
56 | 8785cb30 | Michael Hanselmann | QUEUE_LOCK_TIMEOUT = 10 |
57 | 8785cb30 | Michael Hanselmann | |
58 | 7f30777b | Michael Hanselmann | def wrapper(*args, **kwargs): |
59 | 7f30777b | Michael Hanselmann | # Locking in exclusive, blocking mode because there could be several |
60 | 506cff12 | Michael Hanselmann | # children running at the same time. Waiting up to 10 seconds. |
61 | 8785cb30 | Michael Hanselmann | queue_lock.Exclusive(blocking=True, timeout=QUEUE_LOCK_TIMEOUT) |
62 | 7f30777b | Michael Hanselmann | try: |
63 | 7f30777b | Michael Hanselmann | return fn(*args, **kwargs) |
64 | 7f30777b | Michael Hanselmann | finally: |
65 | 7f30777b | Michael Hanselmann | queue_lock.Unlock() |
66 | 8785cb30 | Michael Hanselmann | |
67 | 7f30777b | Michael Hanselmann | return wrapper |
68 | 7f30777b | Michael Hanselmann | |
69 | 7f30777b | Michael Hanselmann | |
70 | 19205c39 | Michael Hanselmann | class NodeHttpServer(http.server.HttpServer): |
71 | 3ecf6786 | Iustin Pop | """The server implementation. |
72 | 3ecf6786 | Iustin Pop | |
73 | 3ecf6786 | Iustin Pop | This class holds all methods exposed over the RPC interface. |
74 | 3ecf6786 | Iustin Pop | |
75 | 3ecf6786 | Iustin Pop | """ |
76 | cc28af80 | Michael Hanselmann | def __init__(self, *args, **kwargs): |
77 | 19205c39 | Michael Hanselmann | http.server.HttpServer.__init__(self, *args, **kwargs) |
78 | cc28af80 | Michael Hanselmann | self.noded_pid = os.getpid() |
79 | cc28af80 | Michael Hanselmann | |
80 | cc28af80 | Michael Hanselmann | def HandleRequest(self, req): |
81 | 1df6506c | Michael Hanselmann | """Handle a request. |
82 | a8083063 | Iustin Pop | |
83 | 098c0958 | Michael Hanselmann | """ |
84 | 19205c39 | Michael Hanselmann | if req.request_method.upper() != http.HTTP_PUT: |
85 | 84f2756e | Michael Hanselmann | raise http.HttpBadRequest() |
86 | 1df6506c | Michael Hanselmann | |
87 | cc28af80 | Michael Hanselmann | path = req.request_path |
88 | 81010134 | Iustin Pop | if path.startswith("/"): |
89 | 81010134 | Iustin Pop | path = path[1:] |
90 | 81010134 | Iustin Pop | |
91 | 1df6506c | Michael Hanselmann | method = getattr(self, "perspective_%s" % path, None) |
92 | 1df6506c | Michael Hanselmann | if method is None: |
93 | 84f2756e | Michael Hanselmann | raise http.HttpNotFound() |
94 | a8083063 | Iustin Pop | |
95 | 81010134 | Iustin Pop | try: |
96 | aa9075c5 | Michael Hanselmann | try: |
97 | 19205c39 | Michael Hanselmann | return method(req.request_body) |
98 | aa9075c5 | Michael Hanselmann | except: |
99 | aa9075c5 | Michael Hanselmann | logging.exception("Error in RPC call") |
100 | aa9075c5 | Michael Hanselmann | raise |
101 | 9ae49f27 | Guido Trotter | except errors.QuitGanetiException, err: |
102 | 84b58db2 | Michael Hanselmann | # Tell parent to quit |
103 | cc28af80 | Michael Hanselmann | os.kill(self.noded_pid, signal.SIGTERM) |
104 | a8083063 | Iustin Pop | |
105 | a8083063 | Iustin Pop | # the new block devices -------------------------- |
106 | a8083063 | Iustin Pop | |
107 | 3ecf6786 | Iustin Pop | @staticmethod |
108 | 3ecf6786 | Iustin Pop | def perspective_blockdev_create(params): |
109 | 3ecf6786 | Iustin Pop | """Create a block device. |
110 | 3ecf6786 | Iustin Pop | |
111 | 3ecf6786 | Iustin Pop | """ |
112 | 3f78eef2 | Iustin Pop | bdev_s, size, owner, on_primary, info = params |
113 | 319856a9 | Michael Hanselmann | bdev = objects.Disk.FromDict(bdev_s) |
114 | a8083063 | Iustin Pop | if bdev is None: |
115 | a8083063 | Iustin Pop | raise ValueError("can't unserialize data!") |
116 | 3f78eef2 | Iustin Pop | return backend.CreateBlockDevice(bdev, size, owner, on_primary, info) |
117 | a8083063 | Iustin Pop | |
118 | 3ecf6786 | Iustin Pop | @staticmethod |
119 | 3ecf6786 | Iustin Pop | def perspective_blockdev_remove(params): |
120 | 3ecf6786 | Iustin Pop | """Remove a block device. |
121 | 3ecf6786 | Iustin Pop | |
122 | 3ecf6786 | Iustin Pop | """ |
123 | a8083063 | Iustin Pop | bdev_s = params[0] |
124 | 319856a9 | Michael Hanselmann | bdev = objects.Disk.FromDict(bdev_s) |
125 | a8083063 | Iustin Pop | return backend.RemoveBlockDevice(bdev) |
126 | a8083063 | Iustin Pop | |
127 | 3ecf6786 | Iustin Pop | @staticmethod |
128 | f3e513ad | Iustin Pop | def perspective_blockdev_rename(params): |
129 | f3e513ad | Iustin Pop | """Remove a block device. |
130 | f3e513ad | Iustin Pop | |
131 | f3e513ad | Iustin Pop | """ |
132 | f3e513ad | Iustin Pop | devlist = [(objects.Disk.FromDict(ds), uid) for ds, uid in params] |
133 | f3e513ad | Iustin Pop | return backend.RenameBlockDevices(devlist) |
134 | f3e513ad | Iustin Pop | |
135 | f3e513ad | Iustin Pop | @staticmethod |
136 | 3ecf6786 | Iustin Pop | def perspective_blockdev_assemble(params): |
137 | 3ecf6786 | Iustin Pop | """Assemble a block device. |
138 | 3ecf6786 | Iustin Pop | |
139 | 3ecf6786 | Iustin Pop | """ |
140 | 3f78eef2 | Iustin Pop | bdev_s, owner, on_primary = params |
141 | 319856a9 | Michael Hanselmann | bdev = objects.Disk.FromDict(bdev_s) |
142 | a8083063 | Iustin Pop | if bdev is None: |
143 | a8083063 | Iustin Pop | raise ValueError("can't unserialize data!") |
144 | 3f78eef2 | Iustin Pop | return backend.AssembleBlockDevice(bdev, owner, on_primary) |
145 | a8083063 | Iustin Pop | |
146 | 3ecf6786 | Iustin Pop | @staticmethod |
147 | 3ecf6786 | Iustin Pop | def perspective_blockdev_shutdown(params): |
148 | 3ecf6786 | Iustin Pop | """Shutdown a block device. |
149 | 3ecf6786 | Iustin Pop | |
150 | 3ecf6786 | Iustin Pop | """ |
151 | a8083063 | Iustin Pop | bdev_s = params[0] |
152 | 319856a9 | Michael Hanselmann | bdev = objects.Disk.FromDict(bdev_s) |
153 | a8083063 | Iustin Pop | if bdev is None: |
154 | a8083063 | Iustin Pop | raise ValueError("can't unserialize data!") |
155 | a8083063 | Iustin Pop | return backend.ShutdownBlockDevice(bdev) |
156 | a8083063 | Iustin Pop | |
157 | 3ecf6786 | Iustin Pop | @staticmethod |
158 | 153d9724 | Iustin Pop | def perspective_blockdev_addchildren(params): |
159 | 3ecf6786 | Iustin Pop | """Add a child to a mirror device. |
160 | 3ecf6786 | Iustin Pop | |
161 | 3ecf6786 | Iustin Pop | Note: this is only valid for mirror devices. It's the caller's duty |
162 | 3ecf6786 | Iustin Pop | to send a correct disk, otherwise we raise an error. |
163 | 3ecf6786 | Iustin Pop | |
164 | 3ecf6786 | Iustin Pop | """ |
165 | a8083063 | Iustin Pop | bdev_s, ndev_s = params |
166 | 319856a9 | Michael Hanselmann | bdev = objects.Disk.FromDict(bdev_s) |
167 | 153d9724 | Iustin Pop | ndevs = [objects.Disk.FromDict(disk_s) for disk_s in ndev_s] |
168 | 153d9724 | Iustin Pop | if bdev is None or ndevs.count(None) > 0: |
169 | a8083063 | Iustin Pop | raise ValueError("can't unserialize data!") |
170 | 153d9724 | Iustin Pop | return backend.MirrorAddChildren(bdev, ndevs) |
171 | a8083063 | Iustin Pop | |
172 | 3ecf6786 | Iustin Pop | @staticmethod |
173 | 153d9724 | Iustin Pop | def perspective_blockdev_removechildren(params): |
174 | 3ecf6786 | Iustin Pop | """Remove a child from a mirror device. |
175 | 3ecf6786 | Iustin Pop | |
176 | 3ecf6786 | Iustin Pop | This is only valid for mirror devices, of course. It's the callers |
177 | 3ecf6786 | Iustin Pop | duty to send a correct disk, otherwise we raise an error. |
178 | 3ecf6786 | Iustin Pop | |
179 | 3ecf6786 | Iustin Pop | """ |
180 | a8083063 | Iustin Pop | bdev_s, ndev_s = params |
181 | 319856a9 | Michael Hanselmann | bdev = objects.Disk.FromDict(bdev_s) |
182 | 153d9724 | Iustin Pop | ndevs = [objects.Disk.FromDict(disk_s) for disk_s in ndev_s] |
183 | 153d9724 | Iustin Pop | if bdev is None or ndevs.count(None) > 0: |
184 | a8083063 | Iustin Pop | raise ValueError("can't unserialize data!") |
185 | 153d9724 | Iustin Pop | return backend.MirrorRemoveChildren(bdev, ndevs) |
186 | a8083063 | Iustin Pop | |
187 | 3ecf6786 | Iustin Pop | @staticmethod |
188 | 3ecf6786 | Iustin Pop | def perspective_blockdev_getmirrorstatus(params): |
189 | 3ecf6786 | Iustin Pop | """Return the mirror status for a list of disks. |
190 | 3ecf6786 | Iustin Pop | |
191 | 3ecf6786 | Iustin Pop | """ |
192 | 319856a9 | Michael Hanselmann | disks = [objects.Disk.FromDict(dsk_s) |
193 | a8083063 | Iustin Pop | for dsk_s in params] |
194 | a8083063 | Iustin Pop | return backend.GetMirrorStatus(disks) |
195 | a8083063 | Iustin Pop | |
196 | 3ecf6786 | Iustin Pop | @staticmethod |
197 | 3ecf6786 | Iustin Pop | def perspective_blockdev_find(params): |
198 | 3ecf6786 | Iustin Pop | """Expose the FindBlockDevice functionality for a disk. |
199 | 3ecf6786 | Iustin Pop | |
200 | 3ecf6786 | Iustin Pop | This will try to find but not activate a disk. |
201 | 3ecf6786 | Iustin Pop | |
202 | 3ecf6786 | Iustin Pop | """ |
203 | 319856a9 | Michael Hanselmann | disk = objects.Disk.FromDict(params[0]) |
204 | a8083063 | Iustin Pop | return backend.FindBlockDevice(disk) |
205 | a8083063 | Iustin Pop | |
206 | 3ecf6786 | Iustin Pop | @staticmethod |
207 | 3ecf6786 | Iustin Pop | def perspective_blockdev_snapshot(params): |
208 | 3ecf6786 | Iustin Pop | """Create a snapshot device. |
209 | 3ecf6786 | Iustin Pop | |
210 | 3ecf6786 | Iustin Pop | Note that this is only valid for LVM disks, if we get passed |
211 | 3ecf6786 | Iustin Pop | something else we raise an exception. The snapshot device can be |
212 | 3ecf6786 | Iustin Pop | remove by calling the generic block device remove call. |
213 | 3ecf6786 | Iustin Pop | |
214 | 3ecf6786 | Iustin Pop | """ |
215 | 319856a9 | Michael Hanselmann | cfbd = objects.Disk.FromDict(params[0]) |
216 | a8083063 | Iustin Pop | return backend.SnapshotBlockDevice(cfbd) |
217 | a8083063 | Iustin Pop | |
218 | 4c8ba8b3 | Iustin Pop | @staticmethod |
219 | 4c8ba8b3 | Iustin Pop | def perspective_blockdev_grow(params): |
220 | 4c8ba8b3 | Iustin Pop | """Grow a stack of devices. |
221 | 4c8ba8b3 | Iustin Pop | |
222 | 4c8ba8b3 | Iustin Pop | """ |
223 | 4c8ba8b3 | Iustin Pop | cfbd = objects.Disk.FromDict(params[0]) |
224 | 4c8ba8b3 | Iustin Pop | amount = params[1] |
225 | 4c8ba8b3 | Iustin Pop | return backend.GrowBlockDevice(cfbd, amount) |
226 | 4c8ba8b3 | Iustin Pop | |
227 | d61cbe76 | Iustin Pop | @staticmethod |
228 | d61cbe76 | Iustin Pop | def perspective_blockdev_close(params): |
229 | d61cbe76 | Iustin Pop | """Closes the given block devices. |
230 | d61cbe76 | Iustin Pop | |
231 | d61cbe76 | Iustin Pop | """ |
232 | b2e7666a | Iustin Pop | disks = [objects.Disk.FromDict(cf) for cf in params[1]] |
233 | b2e7666a | Iustin Pop | return backend.CloseBlockDevices(params[0], disks) |
234 | d61cbe76 | Iustin Pop | |
235 | 6b93ec9d | Iustin Pop | # blockdev/drbd specific methods ---------- |
236 | 6b93ec9d | Iustin Pop | |
237 | 6b93ec9d | Iustin Pop | @staticmethod |
238 | 6b93ec9d | Iustin Pop | def perspective_drbd_disconnect_net(params): |
239 | 6b93ec9d | Iustin Pop | """Disconnects the network connection of drbd disks. |
240 | 6b93ec9d | Iustin Pop | |
241 | 6b93ec9d | Iustin Pop | Note that this is only valid for drbd disks, so the members of the |
242 | 6b93ec9d | Iustin Pop | disk list must all be drbd devices. |
243 | 6b93ec9d | Iustin Pop | |
244 | 6b93ec9d | Iustin Pop | """ |
245 | 6b93ec9d | Iustin Pop | nodes_ip, disks = params |
246 | 6b93ec9d | Iustin Pop | disks = [objects.Disk.FromDict(cf) for cf in disks] |
247 | 6b93ec9d | Iustin Pop | return backend.DrbdDisconnectNet(nodes_ip, disks) |
248 | 6b93ec9d | Iustin Pop | |
249 | 6b93ec9d | Iustin Pop | @staticmethod |
250 | 6b93ec9d | Iustin Pop | def perspective_drbd_attach_net(params): |
251 | 6b93ec9d | Iustin Pop | """Attaches the network connection of drbd disks. |
252 | 6b93ec9d | Iustin Pop | |
253 | 6b93ec9d | Iustin Pop | Note that this is only valid for drbd disks, so the members of the |
254 | 6b93ec9d | Iustin Pop | disk list must all be drbd devices. |
255 | 6b93ec9d | Iustin Pop | |
256 | 6b93ec9d | Iustin Pop | """ |
257 | 6b93ec9d | Iustin Pop | nodes_ip, disks, instance_name, multimaster = params |
258 | 6b93ec9d | Iustin Pop | disks = [objects.Disk.FromDict(cf) for cf in disks] |
259 | 6b93ec9d | Iustin Pop | return backend.DrbdAttachNet(nodes_ip, disks, instance_name, multimaster) |
260 | 6b93ec9d | Iustin Pop | |
261 | 6b93ec9d | Iustin Pop | @staticmethod |
262 | 6b93ec9d | Iustin Pop | def perspective_drbd_wait_sync(params): |
263 | 6b93ec9d | Iustin Pop | """Wait until DRBD disks are synched. |
264 | 6b93ec9d | Iustin Pop | |
265 | 6b93ec9d | Iustin Pop | Note that this is only valid for drbd disks, so the members of the |
266 | 6b93ec9d | Iustin Pop | disk list must all be drbd devices. |
267 | 6b93ec9d | Iustin Pop | |
268 | 6b93ec9d | Iustin Pop | """ |
269 | 6b93ec9d | Iustin Pop | nodes_ip, disks = params |
270 | 6b93ec9d | Iustin Pop | disks = [objects.Disk.FromDict(cf) for cf in disks] |
271 | 6b93ec9d | Iustin Pop | return backend.DrbdWaitSync(nodes_ip, disks) |
272 | 6b93ec9d | Iustin Pop | |
273 | a8083063 | Iustin Pop | # export/import -------------------------- |
274 | a8083063 | Iustin Pop | |
275 | 3ecf6786 | Iustin Pop | @staticmethod |
276 | 3ecf6786 | Iustin Pop | def perspective_snapshot_export(params): |
277 | 3ecf6786 | Iustin Pop | """Export a given snapshot. |
278 | 3ecf6786 | Iustin Pop | |
279 | 3ecf6786 | Iustin Pop | """ |
280 | 319856a9 | Michael Hanselmann | disk = objects.Disk.FromDict(params[0]) |
281 | a8083063 | Iustin Pop | dest_node = params[1] |
282 | 319856a9 | Michael Hanselmann | instance = objects.Instance.FromDict(params[2]) |
283 | 62c9ec92 | Iustin Pop | cluster_name = params[3] |
284 | 74c47259 | Iustin Pop | dev_idx = params[4] |
285 | 74c47259 | Iustin Pop | return backend.ExportSnapshot(disk, dest_node, instance, |
286 | 74c47259 | Iustin Pop | cluster_name, dev_idx) |
287 | 3ecf6786 | Iustin Pop | |
288 | 3ecf6786 | Iustin Pop | @staticmethod |
289 | 3ecf6786 | Iustin Pop | def perspective_finalize_export(params): |
290 | 3ecf6786 | Iustin Pop | """Expose the finalize export functionality. |
291 | a8083063 | Iustin Pop | |
292 | 3ecf6786 | Iustin Pop | """ |
293 | 319856a9 | Michael Hanselmann | instance = objects.Instance.FromDict(params[0]) |
294 | 319856a9 | Michael Hanselmann | snap_disks = [objects.Disk.FromDict(str_data) |
295 | a8083063 | Iustin Pop | for str_data in params[1]] |
296 | a8083063 | Iustin Pop | return backend.FinalizeExport(instance, snap_disks) |
297 | a8083063 | Iustin Pop | |
298 | 3ecf6786 | Iustin Pop | @staticmethod |
299 | 3ecf6786 | Iustin Pop | def perspective_export_info(params): |
300 | 3ecf6786 | Iustin Pop | """Query information about an existing export on this node. |
301 | 3ecf6786 | Iustin Pop | |
302 | 3ecf6786 | Iustin Pop | The given path may not contain an export, in which case we return |
303 | 3ecf6786 | Iustin Pop | None. |
304 | 3ecf6786 | Iustin Pop | |
305 | 3ecf6786 | Iustin Pop | """ |
306 | 3ecf6786 | Iustin Pop | path = params[0] |
307 | 3ecf6786 | Iustin Pop | einfo = backend.ExportInfo(path) |
308 | a8083063 | Iustin Pop | if einfo is None: |
309 | a8083063 | Iustin Pop | return einfo |
310 | a8083063 | Iustin Pop | return einfo.Dumps() |
311 | a8083063 | Iustin Pop | |
312 | 3ecf6786 | Iustin Pop | @staticmethod |
313 | 3ecf6786 | Iustin Pop | def perspective_export_list(params): |
314 | 3ecf6786 | Iustin Pop | """List the available exports on this node. |
315 | 3ecf6786 | Iustin Pop | |
316 | 3ecf6786 | Iustin Pop | Note that as opposed to export_info, which may query data about an |
317 | 3ecf6786 | Iustin Pop | export in any path, this only queries the standard Ganeti path |
318 | 3ecf6786 | Iustin Pop | (constants.EXPORT_DIR). |
319 | 3ecf6786 | Iustin Pop | |
320 | 3ecf6786 | Iustin Pop | """ |
321 | a8083063 | Iustin Pop | return backend.ListExports() |
322 | a8083063 | Iustin Pop | |
323 | 3ecf6786 | Iustin Pop | @staticmethod |
324 | 3ecf6786 | Iustin Pop | def perspective_export_remove(params): |
325 | 3ecf6786 | Iustin Pop | """Remove an export. |
326 | 3ecf6786 | Iustin Pop | |
327 | 3ecf6786 | Iustin Pop | """ |
328 | a8083063 | Iustin Pop | export = params[0] |
329 | a8083063 | Iustin Pop | return backend.RemoveExport(export) |
330 | a8083063 | Iustin Pop | |
331 | a8083063 | Iustin Pop | # volume -------------------------- |
332 | a8083063 | Iustin Pop | |
333 | 3ecf6786 | Iustin Pop | @staticmethod |
334 | 3ecf6786 | Iustin Pop | def perspective_volume_list(params): |
335 | 3ecf6786 | Iustin Pop | """Query the list of logical volumes in a given volume group. |
336 | 3ecf6786 | Iustin Pop | |
337 | 3ecf6786 | Iustin Pop | """ |
338 | a8083063 | Iustin Pop | vgname = params[0] |
339 | a8083063 | Iustin Pop | return backend.GetVolumeList(vgname) |
340 | a8083063 | Iustin Pop | |
341 | 3ecf6786 | Iustin Pop | @staticmethod |
342 | 3ecf6786 | Iustin Pop | def perspective_vg_list(params): |
343 | 3ecf6786 | Iustin Pop | """Query the list of volume groups. |
344 | 3ecf6786 | Iustin Pop | |
345 | 3ecf6786 | Iustin Pop | """ |
346 | a8083063 | Iustin Pop | return backend.ListVolumeGroups() |
347 | a8083063 | Iustin Pop | |
348 | a8083063 | Iustin Pop | # bridge -------------------------- |
349 | a8083063 | Iustin Pop | |
350 | 3ecf6786 | Iustin Pop | @staticmethod |
351 | 3ecf6786 | Iustin Pop | def perspective_bridges_exist(params): |
352 | 3ecf6786 | Iustin Pop | """Check if all bridges given exist on this node. |
353 | 3ecf6786 | Iustin Pop | |
354 | 3ecf6786 | Iustin Pop | """ |
355 | a8083063 | Iustin Pop | bridges_list = params[0] |
356 | a8083063 | Iustin Pop | return backend.BridgesExist(bridges_list) |
357 | a8083063 | Iustin Pop | |
358 | a8083063 | Iustin Pop | # instance -------------------------- |
359 | a8083063 | Iustin Pop | |
360 | 3ecf6786 | Iustin Pop | @staticmethod |
361 | 3ecf6786 | Iustin Pop | def perspective_instance_os_add(params): |
362 | 3ecf6786 | Iustin Pop | """Install an OS on a given instance. |
363 | 3ecf6786 | Iustin Pop | |
364 | 3ecf6786 | Iustin Pop | """ |
365 | d15a9ad3 | Guido Trotter | inst_s = params[0] |
366 | 319856a9 | Michael Hanselmann | inst = objects.Instance.FromDict(inst_s) |
367 | 1268d6fd | Iustin Pop | return backend.InstanceOsAdd(inst) |
368 | a8083063 | Iustin Pop | |
369 | 3ecf6786 | Iustin Pop | @staticmethod |
370 | decd5f45 | Iustin Pop | def perspective_instance_run_rename(params): |
371 | decd5f45 | Iustin Pop | """Runs the OS rename script for an instance. |
372 | decd5f45 | Iustin Pop | |
373 | decd5f45 | Iustin Pop | """ |
374 | d15a9ad3 | Guido Trotter | inst_s, old_name = params |
375 | 319856a9 | Michael Hanselmann | inst = objects.Instance.FromDict(inst_s) |
376 | d15a9ad3 | Guido Trotter | return backend.RunRenameInstance(inst, old_name) |
377 | decd5f45 | Iustin Pop | |
378 | decd5f45 | Iustin Pop | @staticmethod |
379 | 3ecf6786 | Iustin Pop | def perspective_instance_os_import(params): |
380 | 3ecf6786 | Iustin Pop | """Run the import function of an OS onto a given instance. |
381 | 3ecf6786 | Iustin Pop | |
382 | 3ecf6786 | Iustin Pop | """ |
383 | 6c0af70e | Guido Trotter | inst_s, src_node, src_images, cluster_name = params |
384 | 319856a9 | Michael Hanselmann | inst = objects.Instance.FromDict(inst_s) |
385 | 6c0af70e | Guido Trotter | return backend.ImportOSIntoInstance(inst, src_node, src_images, |
386 | 6c0af70e | Guido Trotter | cluster_name) |
387 | a8083063 | Iustin Pop | |
388 | 3ecf6786 | Iustin Pop | @staticmethod |
389 | 3ecf6786 | Iustin Pop | def perspective_instance_shutdown(params): |
390 | 3ecf6786 | Iustin Pop | """Shutdown an instance. |
391 | 3ecf6786 | Iustin Pop | |
392 | 3ecf6786 | Iustin Pop | """ |
393 | 319856a9 | Michael Hanselmann | instance = objects.Instance.FromDict(params[0]) |
394 | a8083063 | Iustin Pop | return backend.ShutdownInstance(instance) |
395 | a8083063 | Iustin Pop | |
396 | 3ecf6786 | Iustin Pop | @staticmethod |
397 | 3ecf6786 | Iustin Pop | def perspective_instance_start(params): |
398 | 3ecf6786 | Iustin Pop | """Start an instance. |
399 | 3ecf6786 | Iustin Pop | |
400 | 3ecf6786 | Iustin Pop | """ |
401 | 319856a9 | Michael Hanselmann | instance = objects.Instance.FromDict(params[0]) |
402 | a8083063 | Iustin Pop | extra_args = params[1] |
403 | a8083063 | Iustin Pop | return backend.StartInstance(instance, extra_args) |
404 | a8083063 | Iustin Pop | |
405 | 3ecf6786 | Iustin Pop | @staticmethod |
406 | 6906a9d8 | Guido Trotter | def perspective_migration_info(params): |
407 | 6906a9d8 | Guido Trotter | """Gather information about an instance to be migrated. |
408 | 6906a9d8 | Guido Trotter | |
409 | 6906a9d8 | Guido Trotter | """ |
410 | 6906a9d8 | Guido Trotter | instance = objects.Instance.FromDict(params[0]) |
411 | 6906a9d8 | Guido Trotter | return backend.MigrationInfo(instance) |
412 | 6906a9d8 | Guido Trotter | |
413 | 6906a9d8 | Guido Trotter | @staticmethod |
414 | 6906a9d8 | Guido Trotter | def perspective_accept_instance(params): |
415 | 6906a9d8 | Guido Trotter | """Prepare the node to accept an instance. |
416 | 6906a9d8 | Guido Trotter | |
417 | 6906a9d8 | Guido Trotter | """ |
418 | 6906a9d8 | Guido Trotter | instance, info, target = params |
419 | 6906a9d8 | Guido Trotter | instance = objects.Instance.FromDict(instance) |
420 | 6906a9d8 | Guido Trotter | return backend.AcceptInstance(instance, info, target) |
421 | 6906a9d8 | Guido Trotter | |
422 | 6906a9d8 | Guido Trotter | @staticmethod |
423 | 6906a9d8 | Guido Trotter | def perspective_finalize_migration(params): |
424 | 6906a9d8 | Guido Trotter | """Finalize the instance migration. |
425 | 6906a9d8 | Guido Trotter | |
426 | 6906a9d8 | Guido Trotter | """ |
427 | 6906a9d8 | Guido Trotter | instance, info, success = params |
428 | 6906a9d8 | Guido Trotter | instance = objects.Instance.FromDict(instance) |
429 | 6906a9d8 | Guido Trotter | return backend.FinalizeMigration(instance, info, success) |
430 | 6906a9d8 | Guido Trotter | |
431 | 6906a9d8 | Guido Trotter | @staticmethod |
432 | 2a10865c | Iustin Pop | def perspective_instance_migrate(params): |
433 | 2a10865c | Iustin Pop | """Migrates an instance. |
434 | 2a10865c | Iustin Pop | |
435 | 2a10865c | Iustin Pop | """ |
436 | 2a10865c | Iustin Pop | instance, target, live = params |
437 | 9f0e6b37 | Iustin Pop | instance = objects.Instance.FromDict(instance) |
438 | 2a10865c | Iustin Pop | return backend.MigrateInstance(instance, target, live) |
439 | 2a10865c | Iustin Pop | |
440 | 2a10865c | Iustin Pop | @staticmethod |
441 | 007a2f3e | Alexander Schreiber | def perspective_instance_reboot(params): |
442 | 007a2f3e | Alexander Schreiber | """Reboot an instance. |
443 | 007a2f3e | Alexander Schreiber | |
444 | 007a2f3e | Alexander Schreiber | """ |
445 | 007a2f3e | Alexander Schreiber | instance = objects.Instance.FromDict(params[0]) |
446 | 007a2f3e | Alexander Schreiber | reboot_type = params[1] |
447 | 007a2f3e | Alexander Schreiber | extra_args = params[2] |
448 | 007a2f3e | Alexander Schreiber | return backend.RebootInstance(instance, reboot_type, extra_args) |
449 | 007a2f3e | Alexander Schreiber | |
450 | 007a2f3e | Alexander Schreiber | @staticmethod |
451 | 3ecf6786 | Iustin Pop | def perspective_instance_info(params): |
452 | 3ecf6786 | Iustin Pop | """Query instance information. |
453 | 3ecf6786 | Iustin Pop | |
454 | 3ecf6786 | Iustin Pop | """ |
455 | 16ad1a83 | Iustin Pop | return backend.GetInstanceInfo(params[0], params[1]) |
456 | a8083063 | Iustin Pop | |
457 | 3ecf6786 | Iustin Pop | @staticmethod |
458 | 56e7640c | Iustin Pop | def perspective_instance_migratable(params): |
459 | 56e7640c | Iustin Pop | """Query whether the specified instance can be migrated. |
460 | 56e7640c | Iustin Pop | |
461 | 56e7640c | Iustin Pop | """ |
462 | 56e7640c | Iustin Pop | instance = objects.Instance.FromDict(params[0]) |
463 | 56e7640c | Iustin Pop | return backend.GetInstanceMigratable(instance) |
464 | 56e7640c | Iustin Pop | |
465 | 56e7640c | Iustin Pop | @staticmethod |
466 | 3ecf6786 | Iustin Pop | def perspective_all_instances_info(params): |
467 | 3ecf6786 | Iustin Pop | """Query information about all instances. |
468 | 3ecf6786 | Iustin Pop | |
469 | 3ecf6786 | Iustin Pop | """ |
470 | e69d05fd | Iustin Pop | return backend.GetAllInstancesInfo(params[0]) |
471 | a8083063 | Iustin Pop | |
472 | 3ecf6786 | Iustin Pop | @staticmethod |
473 | 3ecf6786 | Iustin Pop | def perspective_instance_list(params): |
474 | 3ecf6786 | Iustin Pop | """Query the list of running instances. |
475 | 3ecf6786 | Iustin Pop | |
476 | 3ecf6786 | Iustin Pop | """ |
477 | e69d05fd | Iustin Pop | return backend.GetInstanceList(params[0]) |
478 | a8083063 | Iustin Pop | |
479 | a8083063 | Iustin Pop | # node -------------------------- |
480 | a8083063 | Iustin Pop | |
481 | 3ecf6786 | Iustin Pop | @staticmethod |
482 | 16abfbc2 | Alexander Schreiber | def perspective_node_tcp_ping(params): |
483 | 16abfbc2 | Alexander Schreiber | """Do a TcpPing on the remote node. |
484 | 16abfbc2 | Alexander Schreiber | |
485 | 16abfbc2 | Alexander Schreiber | """ |
486 | b15d625f | Iustin Pop | return utils.TcpPing(params[1], params[2], timeout=params[3], |
487 | b15d625f | Iustin Pop | live_port_needed=params[4], source=params[0]) |
488 | 16abfbc2 | Alexander Schreiber | |
489 | 16abfbc2 | Alexander Schreiber | @staticmethod |
490 | caad16e2 | Iustin Pop | def perspective_node_has_ip_address(params): |
491 | caad16e2 | Iustin Pop | """Checks if a node has the given ip address. |
492 | caad16e2 | Iustin Pop | |
493 | caad16e2 | Iustin Pop | """ |
494 | caad16e2 | Iustin Pop | return utils.OwnIpAddress(params[0]) |
495 | caad16e2 | Iustin Pop | |
496 | caad16e2 | Iustin Pop | @staticmethod |
497 | 3ecf6786 | Iustin Pop | def perspective_node_info(params): |
498 | 3ecf6786 | Iustin Pop | """Query node information. |
499 | 3ecf6786 | Iustin Pop | |
500 | 3ecf6786 | Iustin Pop | """ |
501 | e69d05fd | Iustin Pop | vgname, hypervisor_type = params |
502 | e69d05fd | Iustin Pop | return backend.GetNodeInfo(vgname, hypervisor_type) |
503 | a8083063 | Iustin Pop | |
504 | 3ecf6786 | Iustin Pop | @staticmethod |
505 | 3ecf6786 | Iustin Pop | def perspective_node_add(params): |
506 | 3ecf6786 | Iustin Pop | """Complete the registration of this node in the cluster. |
507 | 3ecf6786 | Iustin Pop | |
508 | 3ecf6786 | Iustin Pop | """ |
509 | a8083063 | Iustin Pop | return backend.AddNode(params[0], params[1], params[2], |
510 | a8083063 | Iustin Pop | params[3], params[4], params[5]) |
511 | a8083063 | Iustin Pop | |
512 | 3ecf6786 | Iustin Pop | @staticmethod |
513 | 3ecf6786 | Iustin Pop | def perspective_node_verify(params): |
514 | 3ecf6786 | Iustin Pop | """Run a verify sequence on this node. |
515 | 3ecf6786 | Iustin Pop | |
516 | 3ecf6786 | Iustin Pop | """ |
517 | 62c9ec92 | Iustin Pop | return backend.VerifyNode(params[0], params[1]) |
518 | a8083063 | Iustin Pop | |
519 | 3ecf6786 | Iustin Pop | @staticmethod |
520 | 3ecf6786 | Iustin Pop | def perspective_node_start_master(params): |
521 | 3ecf6786 | Iustin Pop | """Promote this node to master status. |
522 | 3ecf6786 | Iustin Pop | |
523 | 3ecf6786 | Iustin Pop | """ |
524 | 1c65840b | Iustin Pop | return backend.StartMaster(params[0]) |
525 | a8083063 | Iustin Pop | |
526 | 3ecf6786 | Iustin Pop | @staticmethod |
527 | 3ecf6786 | Iustin Pop | def perspective_node_stop_master(params): |
528 | 3ecf6786 | Iustin Pop | """Demote this node from master status. |
529 | 3ecf6786 | Iustin Pop | |
530 | 3ecf6786 | Iustin Pop | """ |
531 | 1c65840b | Iustin Pop | return backend.StopMaster(params[0]) |
532 | a8083063 | Iustin Pop | |
533 | 3ecf6786 | Iustin Pop | @staticmethod |
534 | 3ecf6786 | Iustin Pop | def perspective_node_leave_cluster(params): |
535 | 3ecf6786 | Iustin Pop | """Cleanup after leaving a cluster. |
536 | 3ecf6786 | Iustin Pop | |
537 | 3ecf6786 | Iustin Pop | """ |
538 | a8083063 | Iustin Pop | return backend.LeaveCluster() |
539 | a8083063 | Iustin Pop | |
540 | 3ecf6786 | Iustin Pop | @staticmethod |
541 | 3ecf6786 | Iustin Pop | def perspective_node_volumes(params): |
542 | 3ecf6786 | Iustin Pop | """Query the list of all logical volume groups. |
543 | 3ecf6786 | Iustin Pop | |
544 | 3ecf6786 | Iustin Pop | """ |
545 | dcb93971 | Michael Hanselmann | return backend.NodeVolumes() |
546 | dcb93971 | Michael Hanselmann | |
547 | 56aa9fd5 | Iustin Pop | @staticmethod |
548 | 56aa9fd5 | Iustin Pop | def perspective_node_demote_from_mc(params): |
549 | 56aa9fd5 | Iustin Pop | """Demote a node from the master candidate role. |
550 | 56aa9fd5 | Iustin Pop | |
551 | 56aa9fd5 | Iustin Pop | """ |
552 | 56aa9fd5 | Iustin Pop | return backend.DemoteFromMC() |
553 | 56aa9fd5 | Iustin Pop | |
554 | 56aa9fd5 | Iustin Pop | |
555 | a8083063 | Iustin Pop | # cluster -------------------------- |
556 | a8083063 | Iustin Pop | |
557 | 3ecf6786 | Iustin Pop | @staticmethod |
558 | 3ecf6786 | Iustin Pop | def perspective_version(params): |
559 | 3ecf6786 | Iustin Pop | """Query version information. |
560 | 3ecf6786 | Iustin Pop | |
561 | 3ecf6786 | Iustin Pop | """ |
562 | a8083063 | Iustin Pop | return constants.PROTOCOL_VERSION |
563 | a8083063 | Iustin Pop | |
564 | 3ecf6786 | Iustin Pop | @staticmethod |
565 | 3ecf6786 | Iustin Pop | def perspective_upload_file(params): |
566 | 3ecf6786 | Iustin Pop | """Upload a file. |
567 | 3ecf6786 | Iustin Pop | |
568 | 3ecf6786 | Iustin Pop | Note that the backend implementation imposes strict rules on which |
569 | 3ecf6786 | Iustin Pop | files are accepted. |
570 | 3ecf6786 | Iustin Pop | |
571 | 3ecf6786 | Iustin Pop | """ |
572 | a8083063 | Iustin Pop | return backend.UploadFile(*params) |
573 | a8083063 | Iustin Pop | |
574 | 4e071d3b | Iustin Pop | @staticmethod |
575 | 4e071d3b | Iustin Pop | def perspective_master_info(params): |
576 | 4e071d3b | Iustin Pop | """Query master information. |
577 | 4e071d3b | Iustin Pop | |
578 | 4e071d3b | Iustin Pop | """ |
579 | 4e071d3b | Iustin Pop | return backend.GetMasterInfo() |
580 | a8083063 | Iustin Pop | |
581 | 6ddc95ec | Michael Hanselmann | @staticmethod |
582 | 6ddc95ec | Michael Hanselmann | def perspective_write_ssconf_files(params): |
583 | 6ddc95ec | Michael Hanselmann | """Write ssconf files. |
584 | 6ddc95ec | Michael Hanselmann | |
585 | 6ddc95ec | Michael Hanselmann | """ |
586 | 03d1dba2 | Michael Hanselmann | (values,) = params |
587 | 03d1dba2 | Michael Hanselmann | return backend.WriteSsconfFiles(values) |
588 | 6ddc95ec | Michael Hanselmann | |
589 | a8083063 | Iustin Pop | # os ----------------------- |
590 | a8083063 | Iustin Pop | |
591 | 3ecf6786 | Iustin Pop | @staticmethod |
592 | 3ecf6786 | Iustin Pop | def perspective_os_diagnose(params): |
593 | 3ecf6786 | Iustin Pop | """Query detailed information about existing OSes. |
594 | 3ecf6786 | Iustin Pop | |
595 | 3ecf6786 | Iustin Pop | """ |
596 | 4e679f11 | Guido Trotter | return [os.ToDict() for os in backend.DiagnoseOS()] |
597 | a8083063 | Iustin Pop | |
598 | 3ecf6786 | Iustin Pop | @staticmethod |
599 | 3ecf6786 | Iustin Pop | def perspective_os_get(params): |
600 | 3ecf6786 | Iustin Pop | """Query information about a given OS. |
601 | 3ecf6786 | Iustin Pop | |
602 | 3ecf6786 | Iustin Pop | """ |
603 | a8083063 | Iustin Pop | name = params[0] |
604 | a8083063 | Iustin Pop | try: |
605 | dfa96ded | Guido Trotter | os_obj = backend.OSFromDisk(name) |
606 | a8083063 | Iustin Pop | except errors.InvalidOS, err: |
607 | dfa96ded | Guido Trotter | os_obj = objects.OS.FromInvalidOS(err) |
608 | dfa96ded | Guido Trotter | return os_obj.ToDict() |
609 | a8083063 | Iustin Pop | |
610 | a8083063 | Iustin Pop | # hooks ----------------------- |
611 | a8083063 | Iustin Pop | |
612 | 3ecf6786 | Iustin Pop | @staticmethod |
613 | 3ecf6786 | Iustin Pop | def perspective_hooks_runner(params): |
614 | 3ecf6786 | Iustin Pop | """Run hook scripts. |
615 | 3ecf6786 | Iustin Pop | |
616 | 3ecf6786 | Iustin Pop | """ |
617 | a8083063 | Iustin Pop | hpath, phase, env = params |
618 | a8083063 | Iustin Pop | hr = backend.HooksRunner() |
619 | a8083063 | Iustin Pop | return hr.RunHooks(hpath, phase, env) |
620 | a8083063 | Iustin Pop | |
621 | 8d528b7c | Iustin Pop | # iallocator ----------------- |
622 | 8d528b7c | Iustin Pop | |
623 | 8d528b7c | Iustin Pop | @staticmethod |
624 | 8d528b7c | Iustin Pop | def perspective_iallocator_runner(params): |
625 | 8d528b7c | Iustin Pop | """Run an iallocator script. |
626 | 8d528b7c | Iustin Pop | |
627 | 8d528b7c | Iustin Pop | """ |
628 | 8d528b7c | Iustin Pop | name, idata = params |
629 | 8d528b7c | Iustin Pop | iar = backend.IAllocatorRunner() |
630 | 8d528b7c | Iustin Pop | return iar.Run(name, idata) |
631 | 8d528b7c | Iustin Pop | |
632 | 06009e27 | Iustin Pop | # test ----------------------- |
633 | 06009e27 | Iustin Pop | |
634 | 06009e27 | Iustin Pop | @staticmethod |
635 | 06009e27 | Iustin Pop | def perspective_test_delay(params): |
636 | 06009e27 | Iustin Pop | """Run test delay. |
637 | 06009e27 | Iustin Pop | |
638 | 06009e27 | Iustin Pop | """ |
639 | 06009e27 | Iustin Pop | duration = params[0] |
640 | 06009e27 | Iustin Pop | return utils.TestDelay(duration) |
641 | 06009e27 | Iustin Pop | |
642 | 4e071d3b | Iustin Pop | # file storage --------------- |
643 | 4e071d3b | Iustin Pop | |
644 | a5d7fb43 | Manuel Franceschini | @staticmethod |
645 | a5d7fb43 | Manuel Franceschini | def perspective_file_storage_dir_create(params): |
646 | a5d7fb43 | Manuel Franceschini | """Create the file storage directory. |
647 | a5d7fb43 | Manuel Franceschini | |
648 | a5d7fb43 | Manuel Franceschini | """ |
649 | a5d7fb43 | Manuel Franceschini | file_storage_dir = params[0] |
650 | a5d7fb43 | Manuel Franceschini | return backend.CreateFileStorageDir(file_storage_dir) |
651 | a5d7fb43 | Manuel Franceschini | |
652 | a5d7fb43 | Manuel Franceschini | @staticmethod |
653 | a5d7fb43 | Manuel Franceschini | def perspective_file_storage_dir_remove(params): |
654 | a5d7fb43 | Manuel Franceschini | """Remove the file storage directory. |
655 | a5d7fb43 | Manuel Franceschini | |
656 | a5d7fb43 | Manuel Franceschini | """ |
657 | a5d7fb43 | Manuel Franceschini | file_storage_dir = params[0] |
658 | a5d7fb43 | Manuel Franceschini | return backend.RemoveFileStorageDir(file_storage_dir) |
659 | a5d7fb43 | Manuel Franceschini | |
660 | a5d7fb43 | Manuel Franceschini | @staticmethod |
661 | a5d7fb43 | Manuel Franceschini | def perspective_file_storage_dir_rename(params): |
662 | a5d7fb43 | Manuel Franceschini | """Rename the file storage directory. |
663 | a5d7fb43 | Manuel Franceschini | |
664 | a5d7fb43 | Manuel Franceschini | """ |
665 | a5d7fb43 | Manuel Franceschini | old_file_storage_dir = params[0] |
666 | a5d7fb43 | Manuel Franceschini | new_file_storage_dir = params[1] |
667 | a5d7fb43 | Manuel Franceschini | return backend.RenameFileStorageDir(old_file_storage_dir, |
668 | a5d7fb43 | Manuel Franceschini | new_file_storage_dir) |
669 | a5d7fb43 | Manuel Franceschini | |
670 | 4e071d3b | Iustin Pop | # jobs ------------------------ |
671 | 4e071d3b | Iustin Pop | |
672 | ca52cdeb | Michael Hanselmann | @staticmethod |
673 | 7f30777b | Michael Hanselmann | @_RequireJobQueueLock |
674 | ca52cdeb | Michael Hanselmann | def perspective_jobqueue_update(params): |
675 | ca52cdeb | Michael Hanselmann | """Update job queue. |
676 | ca52cdeb | Michael Hanselmann | |
677 | ca52cdeb | Michael Hanselmann | """ |
678 | ca52cdeb | Michael Hanselmann | (file_name, content) = params |
679 | 7f30777b | Michael Hanselmann | return backend.JobQueueUpdate(file_name, content) |
680 | ca52cdeb | Michael Hanselmann | |
681 | ca52cdeb | Michael Hanselmann | @staticmethod |
682 | f1f3f45c | Michael Hanselmann | @_RequireJobQueueLock |
683 | ca52cdeb | Michael Hanselmann | def perspective_jobqueue_purge(params): |
684 | ca52cdeb | Michael Hanselmann | """Purge job queue. |
685 | ca52cdeb | Michael Hanselmann | |
686 | ca52cdeb | Michael Hanselmann | """ |
687 | ca52cdeb | Michael Hanselmann | return backend.JobQueuePurge() |
688 | ca52cdeb | Michael Hanselmann | |
689 | af5ebcb1 | Michael Hanselmann | @staticmethod |
690 | af5ebcb1 | Michael Hanselmann | @_RequireJobQueueLock |
691 | af5ebcb1 | Michael Hanselmann | def perspective_jobqueue_rename(params): |
692 | af5ebcb1 | Michael Hanselmann | """Rename a job queue file. |
693 | af5ebcb1 | Michael Hanselmann | |
694 | af5ebcb1 | Michael Hanselmann | """ |
695 | dd875d32 | Michael Hanselmann | # TODO: What if a file fails to rename? |
696 | dd875d32 | Michael Hanselmann | return [backend.JobQueueRename(old, new) for old, new in params] |
697 | af5ebcb1 | Michael Hanselmann | |
698 | 5d672980 | Iustin Pop | @staticmethod |
699 | 5d672980 | Iustin Pop | def perspective_jobqueue_set_drain(params): |
700 | 5d672980 | Iustin Pop | """Set/unset the queue drain flag. |
701 | 5d672980 | Iustin Pop | |
702 | 5d672980 | Iustin Pop | """ |
703 | 5d672980 | Iustin Pop | drain_flag = params[0] |
704 | 5d672980 | Iustin Pop | return backend.JobQueueSetDrainFlag(drain_flag) |
705 | 5d672980 | Iustin Pop | |
706 | 5d672980 | Iustin Pop | |
707 | 6217e295 | Iustin Pop | # hypervisor --------------- |
708 | 6217e295 | Iustin Pop | |
709 | 6217e295 | Iustin Pop | @staticmethod |
710 | 6217e295 | Iustin Pop | def perspective_hypervisor_validate_params(params): |
711 | 6217e295 | Iustin Pop | """Validate the hypervisor parameters. |
712 | 6217e295 | Iustin Pop | |
713 | 6217e295 | Iustin Pop | """ |
714 | 6217e295 | Iustin Pop | (hvname, hvparams) = params |
715 | 6217e295 | Iustin Pop | return backend.ValidateHVParams(hvname, hvparams) |
716 | 6217e295 | Iustin Pop | |
717 | a8083063 | Iustin Pop | |
718 | a8083063 | Iustin Pop | def ParseOptions(): |
719 | a8083063 | Iustin Pop | """Parse the command line options. |
720 | a8083063 | Iustin Pop | |
721 | c41eea6e | Iustin Pop | @return: (options, args) as from OptionParser.parse_args() |
722 | a8083063 | Iustin Pop | |
723 | a8083063 | Iustin Pop | """ |
724 | a8083063 | Iustin Pop | parser = OptionParser(description="Ganeti node daemon", |
725 | a8083063 | Iustin Pop | usage="%prog [-f] [-d]", |
726 | a8083063 | Iustin Pop | version="%%prog (ganeti) %s" % |
727 | a8083063 | Iustin Pop | constants.RELEASE_VERSION) |
728 | a8083063 | Iustin Pop | |
729 | a8083063 | Iustin Pop | parser.add_option("-f", "--foreground", dest="fork", |
730 | a8083063 | Iustin Pop | help="Don't detach from the current terminal", |
731 | a8083063 | Iustin Pop | default=True, action="store_false") |
732 | a8083063 | Iustin Pop | parser.add_option("-d", "--debug", dest="debug", |
733 | a8083063 | Iustin Pop | help="Enable some debug messages", |
734 | a8083063 | Iustin Pop | default=False, action="store_true") |
735 | a8083063 | Iustin Pop | options, args = parser.parse_args() |
736 | a8083063 | Iustin Pop | return options, args |
737 | a8083063 | Iustin Pop | |
738 | a8083063 | Iustin Pop | |
739 | 8adbffaa | Iustin Pop | def EnsureRuntimeEnvironment(): |
740 | 8adbffaa | Iustin Pop | """Ensure our run-time environment is complete. |
741 | 8adbffaa | Iustin Pop | |
742 | 8adbffaa | Iustin Pop | Currently this creates directories which could be missing, either |
743 | 8adbffaa | Iustin Pop | due to directories being on a tmpfs mount, or due to incomplete |
744 | 8adbffaa | Iustin Pop | packaging. |
745 | 8adbffaa | Iustin Pop | |
746 | 8adbffaa | Iustin Pop | """ |
747 | 817a030d | Guido Trotter | dirs = [(val, constants.RUN_DIRS_MODE) for val in constants.SUB_RUN_DIRS] |
748 | 8adbffaa | Iustin Pop | dirs.append((constants.LOG_OS_DIR, 0750)) |
749 | 8adbffaa | Iustin Pop | for dir_name, dir_mode in dirs: |
750 | 8adbffaa | Iustin Pop | if not os.path.exists(dir_name): |
751 | 8adbffaa | Iustin Pop | try: |
752 | 8adbffaa | Iustin Pop | os.mkdir(dir_name, dir_mode) |
753 | 8adbffaa | Iustin Pop | except EnvironmentError, err: |
754 | 8adbffaa | Iustin Pop | if err.errno != errno.EEXIST: |
755 | 8adbffaa | Iustin Pop | print ("Node setup wrong, cannot create directory '%s': %s" % |
756 | 8adbffaa | Iustin Pop | (dir_name, err)) |
757 | 8adbffaa | Iustin Pop | sys.exit(5) |
758 | 8adbffaa | Iustin Pop | if not os.path.isdir(dir_name): |
759 | 8adbffaa | Iustin Pop | print ("Node setup wrong, '%s' is not a directory" % dir_name) |
760 | 8adbffaa | Iustin Pop | sys.exit(5) |
761 | 8adbffaa | Iustin Pop | |
762 | 8adbffaa | Iustin Pop | |
763 | a8083063 | Iustin Pop | def main(): |
764 | 3ecf6786 | Iustin Pop | """Main function for the node daemon. |
765 | 3ecf6786 | Iustin Pop | |
766 | 3ecf6786 | Iustin Pop | """ |
767 | 25d6d12a | Michael Hanselmann | global queue_lock |
768 | 25d6d12a | Michael Hanselmann | |
769 | a8083063 | Iustin Pop | options, args = ParseOptions() |
770 | f362096f | Iustin Pop | utils.debug = options.debug |
771 | 7d88772a | Iustin Pop | |
772 | 7d88772a | Iustin Pop | if options.fork: |
773 | 7d88772a | Iustin Pop | utils.CloseFDs() |
774 | 7d88772a | Iustin Pop | |
775 | a8083063 | Iustin Pop | for fname in (constants.SSL_CERT_FILE,): |
776 | a8083063 | Iustin Pop | if not os.path.isfile(fname): |
777 | a8083063 | Iustin Pop | print "config %s not there, will not run." % fname |
778 | a8083063 | Iustin Pop | sys.exit(5) |
779 | a8083063 | Iustin Pop | |
780 | a8083063 | Iustin Pop | try: |
781 | 8594f271 | Michael Hanselmann | port = utils.GetNodeDaemonPort() |
782 | a8083063 | Iustin Pop | except errors.ConfigurationError, err: |
783 | a8083063 | Iustin Pop | print "Cluster configuration incomplete: '%s'" % str(err) |
784 | a8083063 | Iustin Pop | sys.exit(5) |
785 | a8083063 | Iustin Pop | |
786 | 8adbffaa | Iustin Pop | EnsureRuntimeEnvironment() |
787 | 0214b0c0 | Iustin Pop | |
788 | a8083063 | Iustin Pop | # become a daemon |
789 | a8083063 | Iustin Pop | if options.fork: |
790 | 8f765069 | Iustin Pop | utils.Daemonize(logfile=constants.LOG_NODESERVER) |
791 | a8083063 | Iustin Pop | |
792 | 99e88451 | Iustin Pop | utils.WritePidFile(constants.NODED_PID) |
793 | cc28af80 | Michael Hanselmann | try: |
794 | 82d9caef | Iustin Pop | utils.SetupLogging(logfile=constants.LOG_NODESERVER, debug=options.debug, |
795 | 82d9caef | Iustin Pop | stderr_logging=not options.fork) |
796 | cc28af80 | Michael Hanselmann | logging.info("ganeti node daemon startup") |
797 | 73d927a2 | Guido Trotter | |
798 | eafd8762 | Michael Hanselmann | # Read SSL certificate |
799 | eafd8762 | Michael Hanselmann | ssl_params = http.HttpSslParams(ssl_key_path=constants.SSL_CERT_FILE, |
800 | eafd8762 | Michael Hanselmann | ssl_cert_path=constants.SSL_CERT_FILE) |
801 | eafd8762 | Michael Hanselmann | |
802 | cc28af80 | Michael Hanselmann | # Prepare job queue |
803 | cc28af80 | Michael Hanselmann | queue_lock = jstore.InitAndVerifyQueue(must_lock=False) |
804 | a8083063 | Iustin Pop | |
805 | cc28af80 | Michael Hanselmann | mainloop = daemon.Mainloop() |
806 | eafd8762 | Michael Hanselmann | server = NodeHttpServer(mainloop, "", port, |
807 | eafd8762 | Michael Hanselmann | ssl_params=ssl_params, ssl_verify_peer=True) |
808 | cc28af80 | Michael Hanselmann | server.Start() |
809 | cc28af80 | Michael Hanselmann | try: |
810 | cc28af80 | Michael Hanselmann | mainloop.Run() |
811 | cc28af80 | Michael Hanselmann | finally: |
812 | cc28af80 | Michael Hanselmann | server.Stop() |
813 | 73d927a2 | Guido Trotter | finally: |
814 | 99e88451 | Iustin Pop | utils.RemovePidFile(constants.NODED_PID) |
815 | 73d927a2 | Guido Trotter | |
816 | a8083063 | Iustin Pop | |
817 | 3ecf6786 | Iustin Pop | if __name__ == '__main__': |
818 | a8083063 | Iustin Pop | main() |