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1 | #!/usr/bin/env python |
2 | # | |
3 | # Copyright (C) 2015 Red Hat <contact@redhat.com> | |
4 | # Copyright (C) 2014 Inktank <info@inktank.com> | |
5 | # Copyright (C) 2014 Cloudwatt <libre.licensing@cloudwatt.com> | |
6 | # Copyright (C) 2014 Catalyst.net Ltd | |
7 | # | |
8 | # Author: Loic Dachary <loic@dachary.org> | |
9 | # | |
10 | # This program is free software; you can redistribute it and/or modify | |
11 | # it under the terms of the GNU Library Public License as published by | |
12 | # the Free Software Foundation; either version 2, or (at your option) | |
13 | # any later version. | |
14 | # | |
15 | # This program is distributed in the hope that it will be useful, | |
16 | # but WITHOUT ANY WARRANTY; without even the implied warranty of | |
17 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
18 | # GNU Library Public License for more details. | |
19 | # | |
20 | # THIS IS ceph-disk AS OF dc5a9053ce69c0630091774f16ce421da67d26fb v10.0.3-2247-gdc5a905 | |
21 | # PRIOR TO THE INTRODUCTION OF THE LOCKBOX VOLUME TO STORE KEY FETCHING | |
22 | # STRATEGIES | |
23 | # | |
24 | import argparse | |
25 | import errno | |
26 | import fcntl | |
27 | import json | |
28 | import logging | |
29 | import os | |
30 | import platform | |
31 | import re | |
32 | import subprocess | |
33 | import stat | |
34 | import sys | |
35 | import tempfile | |
36 | import uuid | |
37 | import time | |
38 | import shlex | |
39 | import pwd | |
40 | import grp | |
41 | ||
42 | CEPH_OSD_ONDISK_MAGIC = 'ceph osd volume v026' | |
43 | ||
44 | PTYPE = { | |
45 | 'regular': { | |
46 | 'journal': { | |
47 | # identical because creating a journal is atomic | |
48 | 'ready': '45b0969e-9b03-4f30-b4c6-b4b80ceff106', | |
49 | 'tobe': '45b0969e-9b03-4f30-b4c6-b4b80ceff106', | |
50 | }, | |
51 | 'block': { | |
52 | # identical because creating a block is atomic | |
53 | 'ready': 'cafecafe-9b03-4f30-b4c6-b4b80ceff106', | |
54 | 'tobe': 'cafecafe-9b03-4f30-b4c6-b4b80ceff106', | |
55 | }, | |
56 | 'osd': { | |
57 | 'ready': '4fbd7e29-9d25-41b8-afd0-062c0ceff05d', | |
58 | 'tobe': '89c57f98-2fe5-4dc0-89c1-f3ad0ceff2be', | |
59 | }, | |
60 | }, | |
61 | 'luks': { | |
62 | 'journal': { | |
63 | 'ready': '45b0969e-9b03-4f30-b4c6-35865ceff106', | |
64 | 'tobe': '89c57f98-2fe5-4dc0-89c1-35865ceff2be', | |
65 | }, | |
66 | 'block': { | |
67 | 'ready': 'cafecafe-9b03-4f30-b4c6-35865ceff106', | |
68 | 'tobe': '89c57f98-2fe5-4dc0-89c1-35865ceff2be', | |
69 | }, | |
70 | 'osd': { | |
71 | 'ready': '4fbd7e29-9d25-41b8-afd0-35865ceff05d', | |
72 | 'tobe': '89c57f98-2fe5-4dc0-89c1-5ec00ceff2be', | |
73 | }, | |
74 | }, | |
75 | 'plain': { | |
76 | 'journal': { | |
77 | 'ready': '45b0969e-9b03-4f30-b4c6-5ec00ceff106', | |
78 | 'tobe': '89c57f98-2fe5-4dc0-89c1-35865ceff2be', | |
79 | }, | |
80 | 'block': { | |
81 | 'ready': 'cafecafe-9b03-4f30-b4c6-5ec00ceff106', | |
82 | 'tobe': '89c57f98-2fe5-4dc0-89c1-35865ceff2be', | |
83 | }, | |
84 | 'osd': { | |
85 | 'ready': '4fbd7e29-9d25-41b8-afd0-5ec00ceff05d', | |
86 | 'tobe': '89c57f98-2fe5-4dc0-89c1-5ec00ceff2be', | |
87 | }, | |
88 | }, | |
89 | 'mpath': { | |
90 | 'journal': { | |
91 | 'ready': '45b0969e-8ae0-4982-bf9d-5a8d867af560', | |
92 | 'tobe': '45b0969e-8ae0-4982-bf9d-5a8d867af560', | |
93 | }, | |
94 | 'block': { | |
95 | 'ready': 'cafecafe-8ae0-4982-bf9d-5a8d867af560', | |
96 | 'tobe': 'cafecafe-8ae0-4982-bf9d-5a8d867af560', | |
97 | }, | |
98 | 'osd': { | |
99 | 'ready': '4fbd7e29-8ae0-4982-bf9d-5a8d867af560', | |
100 | 'tobe': '89c57f98-8ae0-4982-bf9d-5a8d867af560', | |
101 | }, | |
102 | }, | |
103 | } | |
104 | ||
105 | ||
106 | class Ptype(object): | |
107 | ||
108 | @staticmethod | |
109 | def get_ready_by_type(what): | |
110 | return [x['ready'] for x in PTYPE[what].values()] | |
111 | ||
112 | @staticmethod | |
113 | def get_ready_by_name(name): | |
114 | return [x[name]['ready'] for x in PTYPE.values()] | |
115 | ||
116 | @staticmethod | |
117 | def is_regular_space(ptype): | |
118 | return Ptype.is_what_space('regular', ptype) | |
119 | ||
120 | @staticmethod | |
121 | def is_mpath_space(ptype): | |
122 | return Ptype.is_what_space('mpath', ptype) | |
123 | ||
124 | @staticmethod | |
125 | def is_plain_space(ptype): | |
126 | return Ptype.is_what_space('plain', ptype) | |
127 | ||
128 | @staticmethod | |
129 | def is_luks_space(ptype): | |
130 | return Ptype.is_what_space('luks', ptype) | |
131 | ||
132 | @staticmethod | |
133 | def is_what_space(what, ptype): | |
134 | for name in Space.NAMES: | |
135 | if ptype == PTYPE[what][name]['ready']: | |
136 | return True | |
137 | return False | |
138 | ||
139 | @staticmethod | |
140 | def space_ptype_to_name(ptype): | |
141 | for what in PTYPE.values(): | |
142 | for name in Space.NAMES: | |
143 | if ptype == what[name]['ready']: | |
144 | return name | |
145 | raise ValueError('ptype ' + ptype + ' not found') | |
146 | ||
147 | @staticmethod | |
148 | def is_dmcrypt_space(ptype): | |
149 | for name in Space.NAMES: | |
150 | if Ptype.is_dmcrypt(ptype, name): | |
151 | return True | |
152 | return False | |
153 | ||
154 | @staticmethod | |
155 | def is_dmcrypt(ptype, name): | |
156 | for what in ('plain', 'luks'): | |
157 | if ptype == PTYPE[what][name]['ready']: | |
158 | return True | |
159 | return False | |
160 | ||
161 | DEFAULT_FS_TYPE = 'xfs' | |
162 | SYSFS = '/sys' | |
163 | ||
164 | """ | |
165 | OSD STATUS Definition | |
166 | """ | |
167 | OSD_STATUS_OUT_DOWN = 0 | |
168 | OSD_STATUS_OUT_UP = 1 | |
169 | OSD_STATUS_IN_DOWN = 2 | |
170 | OSD_STATUS_IN_UP = 3 | |
171 | ||
172 | MOUNT_OPTIONS = dict( | |
173 | btrfs='noatime,user_subvol_rm_allowed', | |
174 | # user_xattr is default ever since linux 2.6.39 / 3.0, but we'll | |
175 | # delay a moment before removing it fully because we did have some | |
176 | # issues with ext4 before the xatts-in-leveldb work, and it seemed | |
177 | # that user_xattr helped | |
178 | ext4='noatime,user_xattr', | |
179 | xfs='noatime,inode64', | |
180 | ) | |
181 | ||
182 | MKFS_ARGS = dict( | |
183 | btrfs=[ | |
184 | # btrfs requires -f, for the same reason as xfs (see comment below) | |
185 | '-f', | |
186 | '-m', 'single', | |
187 | '-l', '32768', | |
188 | '-n', '32768', | |
189 | ], | |
190 | xfs=[ | |
191 | # xfs insists on not overwriting previous fs; even if we wipe | |
192 | # partition table, we often recreate it exactly the same way, | |
193 | # so we'll see ghosts of filesystems past | |
194 | '-f', | |
195 | '-i', 'size=2048', | |
196 | ], | |
197 | ) | |
198 | ||
199 | INIT_SYSTEMS = [ | |
200 | 'upstart', | |
201 | 'sysvinit', | |
202 | 'systemd', | |
203 | 'auto', | |
204 | 'none', | |
205 | ] | |
206 | ||
207 | STATEDIR = '/var/lib/ceph' | |
208 | ||
209 | SYSCONFDIR = '/etc/ceph' | |
210 | ||
211 | prepare_lock = None | |
212 | activate_lock = None | |
213 | SUPPRESS_PREFIX = None | |
214 | ||
215 | # only warn once about some things | |
216 | warned_about = {} | |
217 | ||
218 | # Nuke the TERM variable to avoid confusing any subprocesses we call. | |
219 | # For example, libreadline will print weird control sequences for some | |
220 | # TERM values. | |
221 | if 'TERM' in os.environ: | |
222 | del os.environ['TERM'] | |
223 | ||
224 | LOG_NAME = __name__ | |
225 | if LOG_NAME == '__main__': | |
226 | LOG_NAME = os.path.basename(sys.argv[0]) | |
227 | LOG = logging.getLogger(LOG_NAME) | |
228 | ||
229 | # Allow user-preferred values for subprocess user and group | |
230 | CEPH_PREF_USER = None | |
231 | CEPH_PREF_GROUP = None | |
232 | ||
233 | ||
234 | class filelock(object): | |
235 | def __init__(self, fn): | |
236 | self.fn = fn | |
237 | self.fd = None | |
238 | ||
239 | def acquire(self): | |
240 | assert not self.fd | |
241 | self.fd = file(self.fn, 'w') | |
242 | fcntl.lockf(self.fd, fcntl.LOCK_EX) | |
243 | ||
244 | def release(self): | |
245 | assert self.fd | |
246 | fcntl.lockf(self.fd, fcntl.LOCK_UN) | |
247 | self.fd = None | |
248 | ||
249 | ||
250 | class Error(Exception): | |
251 | """ | |
252 | Error | |
253 | """ | |
254 | ||
255 | def __str__(self): | |
256 | doc = self.__doc__.strip() | |
257 | return ': '.join([doc] + [str(a) for a in self.args]) | |
258 | ||
259 | ||
260 | class MountError(Error): | |
261 | """ | |
262 | Mounting filesystem failed | |
263 | """ | |
264 | ||
265 | ||
266 | class UnmountError(Error): | |
267 | """ | |
268 | Unmounting filesystem failed | |
269 | """ | |
270 | ||
271 | ||
272 | class BadMagicError(Error): | |
273 | """ | |
274 | Does not look like a Ceph OSD, or incompatible version | |
275 | """ | |
276 | ||
277 | ||
278 | class TruncatedLineError(Error): | |
279 | """ | |
280 | Line is truncated | |
281 | """ | |
282 | ||
283 | ||
284 | class TooManyLinesError(Error): | |
285 | """ | |
286 | Too many lines | |
287 | """ | |
288 | ||
289 | ||
290 | class FilesystemTypeError(Error): | |
291 | """ | |
292 | Cannot discover filesystem type | |
293 | """ | |
294 | ||
295 | ||
296 | class CephDiskException(Exception): | |
297 | """ | |
298 | A base exception for ceph-disk to provide custom (ad-hoc) messages that | |
299 | will be caught and dealt with when main() is executed | |
300 | """ | |
301 | pass | |
302 | ||
303 | ||
304 | class ExecutableNotFound(CephDiskException): | |
305 | """ | |
306 | Exception to report on executables not available in PATH | |
307 | """ | |
308 | pass | |
309 | ||
310 | ||
311 | def is_systemd(): | |
312 | """ | |
313 | Detect whether systemd is running | |
314 | """ | |
315 | with file('/proc/1/comm', 'rb') as i: | |
316 | for line in i: | |
317 | if 'systemd' in line: | |
318 | return True | |
319 | return False | |
320 | ||
321 | ||
322 | def is_upstart(): | |
323 | """ | |
324 | Detect whether upstart is running | |
325 | """ | |
326 | (out, err, _) = command(['init', '--version']) | |
327 | if 'upstart' in out: | |
328 | return True | |
329 | return False | |
330 | ||
331 | ||
332 | def maybe_mkdir(*a, **kw): | |
333 | """ | |
334 | Creates a new directory if it doesn't exist, removes | |
335 | existing symlink before creating the directory. | |
336 | """ | |
337 | # remove any symlink, if it is there.. | |
338 | if os.path.exists(*a) and stat.S_ISLNK(os.lstat(*a).st_mode): | |
339 | LOG.debug('Removing old symlink at %s', *a) | |
340 | os.unlink(*a) | |
341 | try: | |
342 | os.mkdir(*a, **kw) | |
343 | except OSError, e: | |
344 | if e.errno == errno.EEXIST: | |
345 | pass | |
346 | else: | |
347 | raise | |
348 | ||
349 | ||
350 | def which(executable): | |
351 | """find the location of an executable""" | |
352 | if 'PATH' in os.environ: | |
353 | envpath = os.environ['PATH'] | |
354 | else: | |
355 | envpath = os.defpath | |
356 | PATH = envpath.split(os.pathsep) | |
357 | ||
358 | locations = PATH + [ | |
359 | '/usr/local/bin', | |
360 | '/bin', | |
361 | '/usr/bin', | |
362 | '/usr/local/sbin', | |
363 | '/usr/sbin', | |
364 | '/sbin', | |
365 | ] | |
366 | ||
367 | for location in locations: | |
368 | executable_path = os.path.join(location, executable) | |
369 | if (os.path.isfile(executable_path) and | |
370 | os.access(executable_path, os.X_OK)): | |
371 | return executable_path | |
372 | ||
373 | ||
374 | def _get_command_executable(arguments): | |
375 | """ | |
376 | Return the full path for an executable, raise if the executable is not | |
377 | found. If the executable has already a full path do not perform any checks. | |
378 | """ | |
379 | if arguments[0].startswith('/'): # an absolute path | |
380 | return arguments | |
381 | executable = which(arguments[0]) | |
382 | if not executable: | |
383 | command_msg = 'Could not run command: %s' % ' '.join(arguments) | |
384 | executable_msg = '%s not in path.' % arguments[0] | |
385 | raise ExecutableNotFound('%s %s' % (executable_msg, command_msg)) | |
386 | ||
387 | # swap the old executable for the new one | |
388 | arguments[0] = executable | |
389 | return arguments | |
390 | ||
391 | ||
392 | def command(arguments, **kwargs): | |
393 | """ | |
394 | Safely execute a ``subprocess.Popen`` call making sure that the | |
395 | executable exists and raising a helpful error message | |
396 | if it does not. | |
397 | ||
398 | .. note:: This should be the preferred way of calling ``subprocess.Popen`` | |
399 | since it provides the caller with the safety net of making sure that | |
400 | executables *will* be found and will error nicely otherwise. | |
401 | ||
402 | This returns the output of the command and the return code of the | |
403 | process in a tuple: (output, returncode). | |
404 | """ | |
405 | arguments = _get_command_executable(arguments) | |
406 | LOG.info('Running command: %s' % ' '.join(arguments)) | |
407 | process = subprocess.Popen( | |
408 | arguments, | |
409 | stdout=subprocess.PIPE, | |
410 | stderr=subprocess.PIPE, | |
411 | **kwargs) | |
412 | out, err = process.communicate() | |
413 | return out, err, process.returncode | |
414 | ||
415 | ||
416 | def command_check_call(arguments): | |
417 | """ | |
418 | Safely execute a ``subprocess.check_call`` call making sure that the | |
419 | executable exists and raising a helpful error message if it does not. | |
420 | ||
421 | .. note:: This should be the preferred way of calling | |
422 | ``subprocess.check_call`` since it provides the caller with the safety net | |
423 | of making sure that executables *will* be found and will error nicely | |
424 | otherwise. | |
425 | """ | |
426 | arguments = _get_command_executable(arguments) | |
427 | LOG.info('Running command: %s', ' '.join(arguments)) | |
428 | return subprocess.check_call(arguments) | |
429 | ||
430 | ||
431 | def platform_distro(): | |
432 | """ | |
433 | Returns a normalized, lower case string without any leading nor trailing | |
434 | whitespace that represents the distribution name of the current machine. | |
435 | """ | |
436 | distro = platform_information()[0] or '' | |
437 | return distro.strip().lower() | |
438 | ||
439 | ||
440 | def platform_information(): | |
441 | distro, release, codename = platform.linux_distribution() | |
442 | # this could be an empty string in Debian | |
443 | if not codename and 'debian' in distro.lower(): | |
444 | debian_codenames = { | |
445 | '8': 'jessie', | |
446 | '7': 'wheezy', | |
447 | '6': 'squeeze', | |
448 | } | |
449 | major_version = release.split('.')[0] | |
450 | codename = debian_codenames.get(major_version, '') | |
451 | ||
452 | # In order to support newer jessie/sid or wheezy/sid strings we test | |
453 | # this if sid is buried in the minor, we should use sid anyway. | |
454 | if not codename and '/' in release: | |
455 | major, minor = release.split('/') | |
456 | if minor == 'sid': | |
457 | codename = minor | |
458 | else: | |
459 | codename = major | |
460 | ||
461 | return ( | |
462 | str(distro).strip(), | |
463 | str(release).strip(), | |
464 | str(codename).strip() | |
465 | ) | |
466 | ||
467 | # | |
468 | # An alternative block_path implementation would be | |
469 | # | |
470 | # name = basename(dev) | |
471 | # return /sys/devices/virtual/block/$name | |
472 | # | |
473 | # It is however more fragile because it relies on the fact | |
474 | # that the basename of the device the user will use always | |
475 | # matches the one the driver will use. On Ubuntu 14.04, for | |
476 | # instance, when multipath creates a partition table on | |
477 | # | |
478 | # /dev/mapper/353333330000007d0 -> ../dm-0 | |
479 | # | |
480 | # it will create partition devices named | |
481 | # | |
482 | # /dev/mapper/353333330000007d0-part1 | |
483 | # | |
484 | # which is the same device as /dev/dm-1 but not a symbolic | |
485 | # link to it: | |
486 | # | |
487 | # ubuntu@other:~$ ls -l /dev/mapper /dev/dm-1 | |
488 | # brw-rw---- 1 root disk 252, 1 Aug 15 17:52 /dev/dm-1 | |
489 | # lrwxrwxrwx 1 root root 7 Aug 15 17:52 353333330000007d0 -> ../dm-0 | |
490 | # brw-rw---- 1 root disk 252, 1 Aug 15 17:52 353333330000007d0-part1 | |
491 | # | |
492 | # Using the basename in this case fails. | |
493 | # | |
494 | ||
495 | ||
496 | def block_path(dev): | |
497 | path = os.path.realpath(dev) | |
498 | rdev = os.stat(path).st_rdev | |
499 | (M, m) = (os.major(rdev), os.minor(rdev)) | |
500 | return "{sysfs}/dev/block/{M}:{m}".format(sysfs=SYSFS, M=M, m=m) | |
501 | ||
502 | ||
503 | def get_dm_uuid(dev): | |
504 | uuid_path = os.path.join(block_path(dev), 'dm', 'uuid') | |
505 | LOG.debug("get_dm_uuid " + dev + " uuid path is " + uuid_path) | |
506 | if not os.path.exists(uuid_path): | |
507 | return False | |
508 | uuid = open(uuid_path, 'r').read() | |
509 | LOG.debug("get_dm_uuid " + dev + " uuid is " + uuid) | |
510 | return uuid | |
511 | ||
512 | ||
513 | def is_mpath(dev): | |
514 | """ | |
515 | True if the path is managed by multipath | |
516 | """ | |
517 | uuid = get_dm_uuid(dev) | |
518 | return (uuid and | |
519 | (re.match('part\d+-mpath-', uuid) or | |
520 | re.match('mpath-', uuid))) | |
521 | ||
522 | ||
523 | def get_dev_name(path): | |
524 | """ | |
525 | get device name from path. e.g.:: | |
526 | ||
527 | /dev/sda -> sdas, /dev/cciss/c0d1 -> cciss!c0d1 | |
528 | ||
529 | a device "name" is something like:: | |
530 | ||
531 | sdb | |
532 | cciss!c0d1 | |
533 | ||
534 | """ | |
535 | assert path.startswith('/dev/') | |
536 | base = path[5:] | |
537 | return base.replace('/', '!') | |
538 | ||
539 | ||
540 | def get_dev_path(name): | |
541 | """ | |
542 | get a path (/dev/...) from a name (cciss!c0d1) | |
543 | a device "path" is something like:: | |
544 | ||
545 | /dev/sdb | |
546 | /dev/cciss/c0d1 | |
547 | ||
548 | """ | |
549 | return '/dev/' + name.replace('!', '/') | |
550 | ||
551 | ||
552 | def get_dev_relpath(name): | |
553 | """ | |
554 | get a relative path to /dev from a name (cciss!c0d1) | |
555 | """ | |
556 | return name.replace('!', '/') | |
557 | ||
558 | ||
559 | def get_dev_size(dev, size='megabytes'): | |
560 | """ | |
561 | Attempt to get the size of a device so that we can prevent errors | |
562 | from actions to devices that are smaller, and improve error reporting. | |
563 | ||
564 | Because we want to avoid breakage in case this approach is not robust, we | |
565 | will issue a warning if we failed to get the size. | |
566 | ||
567 | :param size: bytes or megabytes | |
568 | :param dev: the device to calculate the size | |
569 | """ | |
570 | fd = os.open(dev, os.O_RDONLY) | |
571 | dividers = {'bytes': 1, 'megabytes': 1024 * 1024} | |
572 | try: | |
573 | device_size = os.lseek(fd, 0, os.SEEK_END) | |
574 | divider = dividers.get(size, 1024 * 1024) # default to megabytes | |
575 | return device_size / divider | |
576 | except Exception as error: | |
577 | LOG.warning('failed to get size of %s: %s' % (dev, str(error))) | |
578 | finally: | |
579 | os.close(fd) | |
580 | ||
581 | ||
582 | def get_partition_mpath(dev, pnum): | |
583 | part_re = "part{pnum}-mpath-".format(pnum=pnum) | |
584 | partitions = list_partitions_mpath(dev, part_re) | |
585 | if partitions: | |
586 | return partitions[0] | |
587 | else: | |
588 | return None | |
589 | ||
590 | ||
591 | def get_partition_dev(dev, pnum): | |
592 | """ | |
593 | get the device name for a partition | |
594 | ||
595 | assume that partitions are named like the base dev, | |
596 | with a number, and optionally | |
597 | some intervening characters (like 'p'). e.g., | |
598 | ||
599 | sda 1 -> sda1 | |
600 | cciss/c0d1 1 -> cciss!c0d1p1 | |
601 | """ | |
602 | partname = None | |
603 | if is_mpath(dev): | |
604 | partname = get_partition_mpath(dev, pnum) | |
605 | else: | |
606 | name = get_dev_name(os.path.realpath(dev)) | |
607 | for f in os.listdir(os.path.join('/sys/block', name)): | |
608 | if f.startswith(name) and f.endswith(str(pnum)): | |
609 | # we want the shortest name that starts with the base name | |
610 | # and ends with the partition number | |
611 | if not partname or len(f) < len(partname): | |
612 | partname = f | |
613 | if partname: | |
614 | return get_dev_path(partname) | |
615 | else: | |
616 | raise Error('partition %d for %s does not appear to exist' % | |
617 | (pnum, dev)) | |
618 | ||
619 | ||
620 | def list_all_partitions(): | |
621 | """ | |
622 | Return a list of devices and partitions | |
623 | """ | |
624 | names = os.listdir('/sys/block') | |
625 | dev_part_list = {} | |
626 | for name in names: | |
627 | # /dev/fd0 may hang http://tracker.ceph.com/issues/6827 | |
628 | if re.match(r'^fd\d$', name): | |
629 | continue | |
630 | dev_part_list[name] = list_partitions(get_dev_path(name)) | |
631 | return dev_part_list | |
632 | ||
633 | ||
634 | def list_partitions(dev): | |
635 | dev = os.path.realpath(dev) | |
636 | if is_mpath(dev): | |
637 | return list_partitions_mpath(dev) | |
638 | else: | |
639 | return list_partitions_device(dev) | |
640 | ||
641 | ||
642 | def list_partitions_mpath(dev, part_re="part\d+-mpath-"): | |
643 | p = block_path(dev) | |
644 | partitions = [] | |
645 | holders = os.path.join(p, 'holders') | |
646 | for holder in os.listdir(holders): | |
647 | uuid_path = os.path.join(holders, holder, 'dm', 'uuid') | |
648 | uuid = open(uuid_path, 'r').read() | |
649 | LOG.debug("list_partitions_mpath: " + uuid_path + " uuid = " + uuid) | |
650 | if re.match(part_re, uuid): | |
651 | partitions.append(holder) | |
652 | return partitions | |
653 | ||
654 | ||
655 | def list_partitions_device(dev): | |
656 | """ | |
657 | Return a list of partitions on the given device name | |
658 | """ | |
659 | partitions = [] | |
660 | basename = get_dev_name(dev) | |
661 | for name in os.listdir(block_path(dev)): | |
662 | if name.startswith(basename): | |
663 | partitions.append(name) | |
664 | return partitions | |
665 | ||
666 | ||
667 | def get_partition_base(dev): | |
668 | """ | |
669 | Get the base device for a partition | |
670 | """ | |
671 | dev = os.path.realpath(dev) | |
672 | if not stat.S_ISBLK(os.lstat(dev).st_mode): | |
673 | raise Error('not a block device', dev) | |
674 | ||
675 | name = get_dev_name(dev) | |
676 | if os.path.exists(os.path.join('/sys/block', name)): | |
677 | raise Error('not a partition', dev) | |
678 | ||
679 | # find the base | |
680 | for basename in os.listdir('/sys/block'): | |
681 | if os.path.exists(os.path.join('/sys/block', basename, name)): | |
682 | return get_dev_path(basename) | |
683 | raise Error('no parent device for partition', dev) | |
684 | ||
685 | ||
686 | def is_partition_mpath(dev): | |
687 | uuid = get_dm_uuid(dev) | |
688 | return bool(re.match('part\d+-mpath-', uuid)) | |
689 | ||
690 | ||
691 | def partnum_mpath(dev): | |
692 | uuid = get_dm_uuid(dev) | |
693 | return re.findall('part(\d+)-mpath-', uuid)[0] | |
694 | ||
695 | ||
696 | def get_partition_base_mpath(dev): | |
697 | slave_path = os.path.join(block_path(dev), 'slaves') | |
698 | slaves = os.listdir(slave_path) | |
699 | assert slaves | |
700 | name_path = os.path.join(slave_path, slaves[0], 'dm', 'name') | |
701 | name = open(name_path, 'r').read().strip() | |
702 | return os.path.join('/dev/mapper', name) | |
703 | ||
704 | ||
705 | def is_partition(dev): | |
706 | """ | |
707 | Check whether a given device path is a partition or a full disk. | |
708 | """ | |
709 | if is_mpath(dev): | |
710 | return is_partition_mpath(dev) | |
711 | ||
712 | dev = os.path.realpath(dev) | |
713 | st = os.lstat(dev) | |
714 | if not stat.S_ISBLK(st.st_mode): | |
715 | raise Error('not a block device', dev) | |
716 | ||
717 | name = get_dev_name(dev) | |
718 | if os.path.exists(os.path.join('/sys/block', name)): | |
719 | return False | |
720 | ||
721 | # make sure it is a partition of something else | |
722 | major = os.major(st.st_rdev) | |
723 | minor = os.minor(st.st_rdev) | |
724 | if os.path.exists('/sys/dev/block/%d:%d/partition' % (major, minor)): | |
725 | return True | |
726 | ||
727 | raise Error('not a disk or partition', dev) | |
728 | ||
729 | ||
730 | def is_mounted(dev): | |
731 | """ | |
732 | Check if the given device is mounted. | |
733 | """ | |
734 | dev = os.path.realpath(dev) | |
735 | with file('/proc/mounts', 'rb') as proc_mounts: | |
736 | for line in proc_mounts: | |
737 | fields = line.split() | |
738 | if len(fields) < 3: | |
739 | continue | |
740 | mounts_dev = fields[0] | |
741 | path = fields[1] | |
742 | if mounts_dev.startswith('/') and os.path.exists(mounts_dev): | |
743 | mounts_dev = os.path.realpath(mounts_dev) | |
744 | if mounts_dev == dev: | |
745 | return path | |
746 | return None | |
747 | ||
748 | ||
749 | def is_held(dev): | |
750 | """ | |
751 | Check if a device is held by another device (e.g., a dm-crypt mapping) | |
752 | """ | |
753 | assert os.path.exists(dev) | |
754 | if is_mpath(dev): | |
755 | return [] | |
756 | ||
757 | dev = os.path.realpath(dev) | |
758 | base = get_dev_name(dev) | |
759 | ||
760 | # full disk? | |
761 | directory = '/sys/block/{base}/holders'.format(base=base) | |
762 | if os.path.exists(directory): | |
763 | return os.listdir(directory) | |
764 | ||
765 | # partition? | |
766 | part = base | |
767 | while len(base): | |
768 | directory = '/sys/block/{base}/{part}/holders'.format( | |
769 | part=part, base=base) | |
770 | if os.path.exists(directory): | |
771 | return os.listdir(directory) | |
772 | base = base[:-1] | |
773 | return [] | |
774 | ||
775 | ||
776 | def verify_not_in_use(dev, check_partitions=False): | |
777 | """ | |
778 | Verify if a given device (path) is in use (e.g. mounted or | |
779 | in use by device-mapper). | |
780 | ||
781 | :raises: Error if device is in use. | |
782 | """ | |
783 | assert os.path.exists(dev) | |
784 | if is_mounted(dev): | |
785 | raise Error('Device is mounted', dev) | |
786 | holders = is_held(dev) | |
787 | if holders: | |
788 | raise Error('Device %s is in use by a device-mapper ' | |
789 | 'mapping (dm-crypt?)' % dev, ','.join(holders)) | |
790 | ||
791 | if check_partitions and not is_partition(dev): | |
792 | for partname in list_partitions(dev): | |
793 | partition = get_dev_path(partname) | |
794 | if is_mounted(partition): | |
795 | raise Error('Device is mounted', partition) | |
796 | holders = is_held(partition) | |
797 | if holders: | |
798 | raise Error('Device %s is in use by a device-mapper ' | |
799 | 'mapping (dm-crypt?)' | |
800 | % partition, ','.join(holders)) | |
801 | ||
802 | ||
803 | def must_be_one_line(line): | |
804 | """ | |
805 | Checks if given line is really one single line. | |
806 | ||
807 | :raises: TruncatedLineError or TooManyLinesError | |
808 | :return: Content of the line, or None if line isn't valid. | |
809 | """ | |
810 | if line[-1:] != '\n': | |
811 | raise TruncatedLineError(line) | |
812 | line = line[:-1] | |
813 | if '\n' in line: | |
814 | raise TooManyLinesError(line) | |
815 | return line | |
816 | ||
817 | ||
818 | def read_one_line(parent, name): | |
819 | """ | |
820 | Read a file whose sole contents are a single line. | |
821 | ||
822 | Strips the newline. | |
823 | ||
824 | :return: Contents of the line, or None if file did not exist. | |
825 | """ | |
826 | path = os.path.join(parent, name) | |
827 | try: | |
828 | line = file(path, 'rb').read() | |
829 | except IOError as e: | |
830 | if e.errno == errno.ENOENT: | |
831 | return None | |
832 | else: | |
833 | raise | |
834 | ||
835 | try: | |
836 | line = must_be_one_line(line) | |
837 | except (TruncatedLineError, TooManyLinesError) as e: | |
838 | raise Error( | |
839 | 'File is corrupt: {path}: {msg}'.format( | |
840 | path=path, | |
841 | msg=e, | |
842 | ) | |
843 | ) | |
844 | return line | |
845 | ||
846 | ||
847 | def write_one_line(parent, name, text): | |
848 | """ | |
849 | Write a file whose sole contents are a single line. | |
850 | ||
851 | Adds a newline. | |
852 | """ | |
853 | path = os.path.join(parent, name) | |
854 | tmp = '{path}.{pid}.tmp'.format(path=path, pid=os.getpid()) | |
855 | with file(tmp, 'wb') as tmp_file: | |
856 | tmp_file.write(text + '\n') | |
857 | os.fsync(tmp_file.fileno()) | |
858 | path_set_context(tmp) | |
859 | os.rename(tmp, path) | |
860 | ||
861 | ||
862 | def init_get(): | |
863 | """ | |
864 | Get a init system using 'ceph-detect-init' | |
865 | """ | |
866 | init = _check_output( | |
867 | args=[ | |
868 | 'ceph-detect-init', | |
869 | '--default', 'sysvinit', | |
870 | ], | |
871 | ) | |
872 | init = must_be_one_line(init) | |
873 | return init | |
874 | ||
875 | ||
876 | def check_osd_magic(path): | |
877 | """ | |
878 | Check that this path has the Ceph OSD magic. | |
879 | ||
880 | :raises: BadMagicError if this does not look like a Ceph OSD data | |
881 | dir. | |
882 | """ | |
883 | magic = read_one_line(path, 'magic') | |
884 | if magic is None: | |
885 | # probably not mkfs'ed yet | |
886 | raise BadMagicError(path) | |
887 | if magic != CEPH_OSD_ONDISK_MAGIC: | |
888 | raise BadMagicError(path) | |
889 | ||
890 | ||
891 | def check_osd_id(osd_id): | |
892 | """ | |
893 | Ensures osd id is numeric. | |
894 | """ | |
895 | if not re.match(r'^[0-9]+$', osd_id): | |
896 | raise Error('osd id is not numeric', osd_id) | |
897 | ||
898 | ||
899 | def allocate_osd_id( | |
900 | cluster, | |
901 | fsid, | |
902 | keyring, | |
903 | ): | |
904 | """ | |
905 | Accocates an OSD id on the given cluster. | |
906 | ||
907 | :raises: Error if the call to allocate the OSD id fails. | |
908 | :return: The allocated OSD id. | |
909 | """ | |
910 | ||
911 | LOG.debug('Allocating OSD id...') | |
912 | try: | |
913 | osd_id = _check_output( | |
914 | args=[ | |
915 | 'ceph', | |
916 | '--cluster', cluster, | |
917 | '--name', 'client.bootstrap-osd', | |
918 | '--keyring', keyring, | |
919 | 'osd', 'create', '--concise', | |
920 | fsid, | |
921 | ], | |
922 | ) | |
923 | except subprocess.CalledProcessError as e: | |
924 | raise Error('ceph osd create failed', e, e.output) | |
925 | osd_id = must_be_one_line(osd_id) | |
926 | check_osd_id(osd_id) | |
927 | return osd_id | |
928 | ||
929 | ||
930 | def get_osd_id(path): | |
931 | """ | |
932 | Gets the OSD id of the OSD at the given path. | |
933 | """ | |
934 | osd_id = read_one_line(path, 'whoami') | |
935 | if osd_id is not None: | |
936 | check_osd_id(osd_id) | |
937 | return osd_id | |
938 | ||
939 | ||
940 | def get_ceph_user(): | |
941 | global CEPH_PREF_USER | |
942 | ||
943 | if CEPH_PREF_USER is not None: | |
944 | try: | |
945 | pwd.getpwnam(CEPH_PREF_USER) | |
946 | return CEPH_PREF_USER | |
947 | except KeyError: | |
948 | print "No such user: " + CEPH_PREF_USER | |
949 | sys.exit(2) | |
950 | else: | |
951 | try: | |
952 | pwd.getpwnam('ceph') | |
953 | return 'ceph' | |
954 | except KeyError: | |
955 | return 'root' | |
956 | ||
957 | ||
958 | def get_ceph_group(): | |
959 | global CEPH_PREF_GROUP | |
960 | ||
961 | if CEPH_PREF_GROUP is not None: | |
962 | try: | |
963 | grp.getgrnam(CEPH_PREF_GROUP) | |
964 | return CEPH_PREF_GROUP | |
965 | except KeyError: | |
966 | print "No such group: " + CEPH_PREF_GROUP | |
967 | sys.exit(2) | |
968 | else: | |
969 | try: | |
970 | grp.getgrnam('ceph') | |
971 | return 'ceph' | |
972 | except KeyError: | |
973 | return 'root' | |
974 | ||
975 | ||
976 | def path_set_context(path): | |
977 | # restore selinux context to default policy values | |
978 | if which('restorecon'): | |
979 | command(['restorecon', '-R', path]) | |
980 | ||
981 | # if ceph user exists, set owner to ceph | |
982 | if get_ceph_user() == 'ceph': | |
983 | command(['chown', '-R', 'ceph:ceph', path]) | |
984 | ||
985 | ||
986 | def _check_output(args=None, **kwargs): | |
987 | out, err, ret = command(args, **kwargs) | |
988 | if ret: | |
989 | cmd = args[0] | |
990 | error = subprocess.CalledProcessError(ret, cmd) | |
991 | error.output = out + err | |
992 | raise error | |
993 | return out | |
994 | ||
995 | ||
996 | def get_conf(cluster, variable): | |
997 | """ | |
998 | Get the value of the given configuration variable from the | |
999 | cluster. | |
1000 | ||
1001 | :raises: Error if call to ceph-conf fails. | |
1002 | :return: The variable value or None. | |
1003 | """ | |
1004 | try: | |
1005 | out, err, ret = command( | |
1006 | [ | |
1007 | 'ceph-conf', | |
1008 | '--cluster={cluster}'.format( | |
1009 | cluster=cluster, | |
1010 | ), | |
1011 | '--name=osd.', | |
1012 | '--lookup', | |
1013 | variable, | |
1014 | ], | |
1015 | close_fds=True, | |
1016 | ) | |
1017 | except OSError as e: | |
1018 | raise Error('error executing ceph-conf', e, err) | |
1019 | if ret == 1: | |
1020 | # config entry not found | |
1021 | return None | |
1022 | elif ret != 0: | |
1023 | raise Error('getting variable from configuration failed') | |
1024 | value = out.split('\n', 1)[0] | |
1025 | # don't differentiate between "var=" and no var set | |
1026 | if not value: | |
1027 | return None | |
1028 | return value | |
1029 | ||
1030 | ||
1031 | def get_conf_with_default(cluster, variable): | |
1032 | """ | |
1033 | Get a config value that is known to the C++ code. | |
1034 | ||
1035 | This will fail if called on variables that are not defined in | |
1036 | common config options. | |
1037 | """ | |
1038 | try: | |
1039 | out = _check_output( | |
1040 | args=[ | |
1041 | 'ceph-osd', | |
1042 | '--cluster={cluster}'.format( | |
1043 | cluster=cluster, | |
1044 | ), | |
1045 | '--show-config-value={variable}'.format( | |
1046 | variable=variable, | |
1047 | ), | |
1048 | ], | |
1049 | close_fds=True, | |
1050 | ) | |
1051 | except subprocess.CalledProcessError as e: | |
1052 | raise Error( | |
1053 | 'getting variable from configuration failed', | |
1054 | e, | |
1055 | ) | |
1056 | ||
1057 | value = str(out).split('\n', 1)[0] | |
1058 | return value | |
1059 | ||
1060 | ||
1061 | def get_fsid(cluster): | |
1062 | """ | |
1063 | Get the fsid of the cluster. | |
1064 | ||
1065 | :return: The fsid or raises Error. | |
1066 | """ | |
1067 | fsid = get_conf_with_default(cluster=cluster, variable='fsid') | |
1068 | if fsid is None: | |
1069 | raise Error('getting cluster uuid from configuration failed') | |
1070 | return fsid.lower() | |
1071 | ||
1072 | ||
1073 | def get_dmcrypt_key_path( | |
1074 | _uuid, | |
1075 | key_dir, | |
1076 | luks | |
1077 | ): | |
1078 | """ | |
1079 | Get path to dmcrypt key file. | |
1080 | ||
1081 | :return: Path to the dmcrypt key file, callers should check for existence. | |
1082 | """ | |
1083 | if luks: | |
1084 | path = os.path.join(key_dir, _uuid + ".luks.key") | |
1085 | else: | |
1086 | path = os.path.join(key_dir, _uuid) | |
1087 | ||
1088 | return path | |
1089 | ||
1090 | ||
1091 | def get_or_create_dmcrypt_key( | |
1092 | _uuid, | |
1093 | key_dir, | |
1094 | key_size, | |
1095 | luks | |
1096 | ): | |
1097 | """ | |
1098 | Get path to existing dmcrypt key or create a new key file. | |
1099 | ||
1100 | :return: Path to the dmcrypt key file. | |
1101 | """ | |
1102 | path = get_dmcrypt_key_path(_uuid, key_dir, luks) | |
1103 | if os.path.exists(path): | |
1104 | return path | |
1105 | ||
1106 | # make a new key | |
1107 | try: | |
1108 | if not os.path.exists(key_dir): | |
1109 | os.makedirs(key_dir, stat.S_IRUSR | stat.S_IWUSR | stat.S_IXUSR) | |
1110 | with file('/dev/urandom', 'rb') as i: | |
1111 | key = i.read(key_size / 8) | |
1112 | fd = os.open(path, os.O_WRONLY | os.O_CREAT, | |
1113 | stat.S_IRUSR | stat.S_IWUSR) | |
1114 | assert os.write(fd, key) == len(key) | |
1115 | os.close(fd) | |
1116 | return path | |
1117 | except: | |
1118 | raise Error('unable to read or create dm-crypt key', path) | |
1119 | ||
1120 | ||
1121 | def _dmcrypt_map( | |
1122 | rawdev, | |
1123 | keypath, | |
1124 | _uuid, | |
1125 | cryptsetup_parameters, | |
1126 | luks, | |
1127 | format_dev=False, | |
1128 | ): | |
1129 | """ | |
1130 | Maps a device to a dmcrypt device. | |
1131 | ||
1132 | :return: Path to the dmcrypt device. | |
1133 | """ | |
1134 | dev = '/dev/mapper/' + _uuid | |
1135 | luksFormat_args = [ | |
1136 | 'cryptsetup', | |
1137 | '--batch-mode', | |
1138 | '--key-file', | |
1139 | keypath, | |
1140 | 'luksFormat', | |
1141 | rawdev, | |
1142 | ] + cryptsetup_parameters | |
1143 | ||
1144 | luksOpen_args = [ | |
1145 | 'cryptsetup', | |
1146 | '--key-file', | |
1147 | keypath, | |
1148 | 'luksOpen', | |
1149 | rawdev, | |
1150 | _uuid, | |
1151 | ] | |
1152 | ||
1153 | create_args = [ | |
1154 | 'cryptsetup', | |
1155 | '--key-file', | |
1156 | keypath, | |
1157 | 'create', | |
1158 | _uuid, | |
1159 | rawdev, | |
1160 | ] + cryptsetup_parameters | |
1161 | ||
1162 | try: | |
1163 | if luks: | |
1164 | if format_dev: | |
1165 | command_check_call(luksFormat_args) | |
1166 | command_check_call(luksOpen_args) | |
1167 | else: | |
1168 | # Plain mode has no format function, nor any validation | |
1169 | # that the key is correct. | |
1170 | command_check_call(create_args) | |
1171 | # set proper ownership of mapped device | |
1172 | command_check_call(['chown', 'ceph:ceph', dev]) | |
1173 | return dev | |
1174 | ||
1175 | except subprocess.CalledProcessError as e: | |
1176 | raise Error('unable to map device', rawdev, e) | |
1177 | ||
1178 | ||
1179 | def dmcrypt_unmap( | |
1180 | _uuid | |
1181 | ): | |
1182 | """ | |
1183 | Removes the dmcrypt device with the given UUID. | |
1184 | """ | |
1185 | retries = 0 | |
1186 | while True: | |
1187 | try: | |
1188 | command_check_call(['cryptsetup', 'remove', _uuid]) | |
1189 | break | |
1190 | except subprocess.CalledProcessError as e: | |
1191 | if retries == 10: | |
1192 | raise Error('unable to unmap device', _uuid, e) | |
1193 | else: | |
1194 | time.sleep(0.5 + retries * 1.0) | |
1195 | retries += 1 | |
1196 | ||
1197 | ||
1198 | def mount( | |
1199 | dev, | |
1200 | fstype, | |
1201 | options, | |
1202 | ): | |
1203 | """ | |
1204 | Mounts a device with given filessystem type and | |
1205 | mount options to a tempfile path under /var/lib/ceph/tmp. | |
1206 | """ | |
1207 | # sanity check: none of the arguments are None | |
1208 | if dev is None: | |
1209 | raise ValueError('dev may not be None') | |
1210 | if fstype is None: | |
1211 | raise ValueError('fstype may not be None') | |
1212 | ||
1213 | # pick best-of-breed mount options based on fs type | |
1214 | if options is None: | |
1215 | options = MOUNT_OPTIONS.get(fstype, '') | |
1216 | ||
1217 | # mount | |
1218 | path = tempfile.mkdtemp( | |
1219 | prefix='mnt.', | |
1220 | dir=STATEDIR + '/tmp', | |
1221 | ) | |
1222 | try: | |
1223 | LOG.debug('Mounting %s on %s with options %s', dev, path, options) | |
1224 | command_check_call( | |
1225 | [ | |
1226 | 'mount', | |
1227 | '-t', fstype, | |
1228 | '-o', options, | |
1229 | '--', | |
1230 | dev, | |
1231 | path, | |
1232 | ], | |
1233 | ) | |
1234 | if which('restorecon'): | |
1235 | command( | |
1236 | [ | |
1237 | 'restorecon', | |
1238 | path, | |
1239 | ], | |
1240 | ) | |
1241 | except subprocess.CalledProcessError as e: | |
1242 | try: | |
1243 | os.rmdir(path) | |
1244 | except (OSError, IOError): | |
1245 | pass | |
1246 | raise MountError(e) | |
1247 | ||
1248 | return path | |
1249 | ||
1250 | ||
1251 | def unmount( | |
1252 | path, | |
1253 | ): | |
1254 | """ | |
1255 | Unmount and removes the given mount point. | |
1256 | """ | |
1257 | retries = 0 | |
1258 | while True: | |
1259 | try: | |
1260 | LOG.debug('Unmounting %s', path) | |
1261 | command_check_call( | |
1262 | [ | |
1263 | '/bin/umount', | |
1264 | '--', | |
1265 | path, | |
1266 | ], | |
1267 | ) | |
1268 | break | |
1269 | except subprocess.CalledProcessError as e: | |
1270 | # on failure, retry 3 times with incremental backoff | |
1271 | if retries == 3: | |
1272 | raise UnmountError(e) | |
1273 | else: | |
1274 | time.sleep(0.5 + retries * 1.0) | |
1275 | retries += 1 | |
1276 | ||
1277 | os.rmdir(path) | |
1278 | ||
1279 | ||
1280 | ########################################### | |
1281 | ||
1282 | def extract_parted_partition_numbers(partitions): | |
1283 | numbers_as_strings = re.findall('^\d+', partitions, re.MULTILINE) | |
1284 | return map(int, numbers_as_strings) | |
1285 | ||
1286 | ||
1287 | def get_free_partition_index(dev): | |
1288 | """ | |
1289 | Get the next free partition index on a given device. | |
1290 | ||
1291 | :return: Index number (> 1 if there is already a partition on the device) | |
1292 | or 1 if there is no partition table. | |
1293 | """ | |
1294 | try: | |
1295 | lines = _check_output( | |
1296 | args=[ | |
1297 | 'parted', | |
1298 | '--machine', | |
1299 | '--', | |
1300 | dev, | |
1301 | 'print', | |
1302 | ], | |
1303 | ) | |
1304 | except subprocess.CalledProcessError as e: | |
1305 | LOG.info('cannot read partition index; assume it ' | |
1306 | 'isn\'t present\n (Error: %s)' % e) | |
1307 | return 1 | |
1308 | ||
1309 | if not lines: | |
1310 | raise Error('parted failed to output anything') | |
1311 | LOG.debug('get_free_partition_index: analyzing ' + lines) | |
1312 | if ('CHS;' not in lines and | |
1313 | 'CYL;' not in lines and | |
1314 | 'BYT;' not in lines): | |
1315 | raise Error('parted output expected to contain one of ' + | |
1316 | 'CHH; CYL; or BYT; : ' + lines) | |
1317 | if os.path.realpath(dev) not in lines: | |
1318 | raise Error('parted output expected to contain ' + dev + ': ' + lines) | |
1319 | _, partitions = lines.split(os.path.realpath(dev)) | |
1320 | partition_numbers = extract_parted_partition_numbers(partitions) | |
1321 | if partition_numbers: | |
1322 | return max(partition_numbers) + 1 | |
1323 | else: | |
1324 | return 1 | |
1325 | ||
1326 | ||
1327 | def check_journal_reqs(args): | |
1328 | _, _, allows_journal = command([ | |
1329 | 'ceph-osd', '--check-allows-journal', | |
1330 | '-i', '0', | |
1331 | '--cluster', args.cluster, | |
1332 | ]) | |
1333 | _, _, wants_journal = command([ | |
1334 | 'ceph-osd', '--check-wants-journal', | |
1335 | '-i', '0', | |
1336 | '--cluster', args.cluster, | |
1337 | ]) | |
1338 | _, _, needs_journal = command([ | |
1339 | 'ceph-osd', '--check-needs-journal', | |
1340 | '-i', '0', | |
1341 | '--cluster', args.cluster, | |
1342 | ]) | |
1343 | return (not allows_journal, not wants_journal, not needs_journal) | |
1344 | ||
1345 | ||
1346 | def update_partition(dev, description): | |
1347 | """ | |
1348 | Must be called after modifying a partition table so the kernel | |
1349 | know about the change and fire udev events accordingly. A side | |
1350 | effect of partprobe is to remove partitions and add them again. | |
1351 | The first udevadm settle waits for ongoing udev events to | |
1352 | complete, just in case one of them rely on an existing partition | |
1353 | on dev. The second udevadm settle guarantees to the caller that | |
1354 | all udev events related to the partition table change have been | |
1355 | processed, i.e. the 95-ceph-osd.rules actions and mode changes, | |
1356 | group changes etc. are complete. | |
1357 | """ | |
1358 | LOG.debug('Calling partprobe on %s device %s', description, dev) | |
1359 | partprobe_ok = False | |
1360 | error = 'unknown error' | |
1361 | for i in (1, 2, 3, 4, 5): | |
1362 | command_check_call(['udevadm', 'settle', '--timeout=600']) | |
1363 | try: | |
1364 | _check_output(['partprobe', dev]) | |
1365 | partprobe_ok = True | |
1366 | break | |
1367 | except subprocess.CalledProcessError as e: | |
1368 | error = e.output | |
1369 | if ('unable to inform the kernel' not in error and | |
1370 | 'Device or resource busy' not in error): | |
1371 | raise | |
1372 | LOG.debug('partprobe %s failed : %s (ignored, waiting 60s)' | |
1373 | % (dev, error)) | |
1374 | time.sleep(60) | |
1375 | if not partprobe_ok: | |
1376 | raise Error('partprobe %s failed : %s' % (dev, error)) | |
1377 | command_check_call(['udevadm', 'settle', '--timeout=600']) | |
1378 | ||
1379 | ||
1380 | def zap(dev): | |
1381 | """ | |
1382 | Destroy the partition table and content of a given disk. | |
1383 | """ | |
1384 | dev = os.path.realpath(dev) | |
1385 | dmode = os.stat(dev).st_mode | |
1386 | if not stat.S_ISBLK(dmode) or is_partition(dev): | |
1387 | raise Error('not full block device; cannot zap', dev) | |
1388 | try: | |
1389 | LOG.debug('Zapping partition table on %s', dev) | |
1390 | ||
1391 | # try to wipe out any GPT partition table backups. sgdisk | |
1392 | # isn't too thorough. | |
1393 | lba_size = 4096 | |
1394 | size = 33 * lba_size | |
1395 | with file(dev, 'wb') as dev_file: | |
1396 | dev_file.seek(-size, os.SEEK_END) | |
1397 | dev_file.write(size * '\0') | |
1398 | ||
1399 | command_check_call( | |
1400 | [ | |
1401 | 'sgdisk', | |
1402 | '--zap-all', | |
1403 | '--', | |
1404 | dev, | |
1405 | ], | |
1406 | ) | |
1407 | command_check_call( | |
1408 | [ | |
1409 | 'sgdisk', | |
1410 | '--clear', | |
1411 | '--mbrtogpt', | |
1412 | '--', | |
1413 | dev, | |
1414 | ], | |
1415 | ) | |
1416 | ||
1417 | update_partition(dev, 'zapped') | |
1418 | ||
1419 | except subprocess.CalledProcessError as e: | |
1420 | raise Error(e) | |
1421 | ||
1422 | ||
1423 | def adjust_symlink(target, path): | |
1424 | create = True | |
1425 | if os.path.lexists(path): | |
1426 | try: | |
1427 | mode = os.lstat(path).st_mode | |
1428 | if stat.S_ISREG(mode): | |
1429 | LOG.debug('Removing old file %s', path) | |
1430 | os.unlink(path) | |
1431 | elif stat.S_ISLNK(mode): | |
1432 | old = os.readlink(path) | |
1433 | if old != target: | |
1434 | LOG.debug('Removing old symlink %s -> %s', path, old) | |
1435 | os.unlink(path) | |
1436 | else: | |
1437 | create = False | |
1438 | except: | |
1439 | raise Error('unable to remove (or adjust) old file (symlink)', | |
1440 | path) | |
1441 | if create: | |
1442 | LOG.debug('Creating symlink %s -> %s', path, target) | |
1443 | try: | |
1444 | os.symlink(target, path) | |
1445 | except: | |
1446 | raise Error('unable to create symlink %s -> %s' % (path, target)) | |
1447 | ||
1448 | ||
1449 | class Device(object): | |
1450 | ||
1451 | def __init__(self, path, args): | |
1452 | self.args = args | |
1453 | self.path = path | |
1454 | self.dev_size = None | |
1455 | self.partitions = {} | |
1456 | self.ptype_map = None | |
1457 | assert not is_partition(self.path) | |
1458 | ||
1459 | def create_partition(self, uuid, name, size=0, num=0): | |
1460 | ptype = self.ptype_tobe_for_name(name) | |
1461 | if num == 0: | |
1462 | num = get_free_partition_index(dev=self.path) | |
1463 | if size > 0: | |
1464 | new = '--new={num}:0:+{size}M'.format(num=num, size=size) | |
1465 | if size > self.get_dev_size(): | |
1466 | LOG.error('refusing to create %s on %s' % (name, self.path)) | |
1467 | LOG.error('%s size (%sM) is bigger than device (%sM)' | |
1468 | % (name, size, self.get_dev_size())) | |
1469 | raise Error('%s device size (%sM) is not big enough for %s' | |
1470 | % (self.path, self.get_dev_size(), name)) | |
1471 | else: | |
1472 | new = '--largest-new={num}'.format(num=num) | |
1473 | ||
1474 | LOG.debug('Creating %s partition num %d size %d on %s', | |
1475 | name, num, size, self.path) | |
1476 | command_check_call( | |
1477 | [ | |
1478 | 'sgdisk', | |
1479 | new, | |
1480 | '--change-name={num}:ceph {name}'.format(num=num, name=name), | |
1481 | '--partition-guid={num}:{uuid}'.format(num=num, uuid=uuid), | |
1482 | '--typecode={num}:{uuid}'.format(num=num, uuid=ptype), | |
1483 | '--mbrtogpt', | |
1484 | '--', | |
1485 | self.path, | |
1486 | ] | |
1487 | ) | |
1488 | update_partition(self.path, 'created') | |
1489 | return num | |
1490 | ||
1491 | def ptype_tobe_for_name(self, name): | |
1492 | if name == 'data': | |
1493 | name = 'osd' | |
1494 | if self.ptype_map is None: | |
1495 | partition = DevicePartition.factory( | |
1496 | path=self.path, dev=None, args=self.args) | |
1497 | self.ptype_map = partition.ptype_map | |
1498 | return self.ptype_map[name]['tobe'] | |
1499 | ||
1500 | def get_partition(self, num): | |
1501 | if num not in self.partitions: | |
1502 | dev = get_partition_dev(self.path, num) | |
1503 | partition = DevicePartition.factory( | |
1504 | path=self.path, dev=dev, args=self.args) | |
1505 | partition.set_partition_number(num) | |
1506 | self.partitions[num] = partition | |
1507 | return self.partitions[num] | |
1508 | ||
1509 | def get_dev_size(self): | |
1510 | if self.dev_size is None: | |
1511 | self.dev_size = get_dev_size(self.path) | |
1512 | return self.dev_size | |
1513 | ||
1514 | @staticmethod | |
1515 | def factory(path, args): | |
1516 | return Device(path, args) | |
1517 | ||
1518 | ||
1519 | class DevicePartition(object): | |
1520 | ||
1521 | def __init__(self, args): | |
1522 | self.args = args | |
1523 | self.num = None | |
1524 | self.rawdev = None | |
1525 | self.dev = None | |
1526 | self.uuid = None | |
1527 | self.ptype_map = None | |
1528 | self.ptype = None | |
1529 | self.set_variables_ptype() | |
1530 | ||
1531 | def get_uuid(self): | |
1532 | if self.uuid is None: | |
1533 | self.uuid = get_partition_uuid(self.rawdev) | |
1534 | return self.uuid | |
1535 | ||
1536 | def get_ptype(self): | |
1537 | if self.ptype is None: | |
1538 | self.ptype = get_partition_type(self.rawdev) | |
1539 | return self.ptype | |
1540 | ||
1541 | def set_partition_number(self, num): | |
1542 | self.num = num | |
1543 | ||
1544 | def get_partition_number(self): | |
1545 | return self.num | |
1546 | ||
1547 | def set_dev(self, dev): | |
1548 | self.dev = dev | |
1549 | self.rawdev = dev | |
1550 | ||
1551 | def get_dev(self): | |
1552 | return self.dev | |
1553 | ||
1554 | def get_rawdev(self): | |
1555 | return self.rawdev | |
1556 | ||
1557 | def set_variables_ptype(self): | |
1558 | self.ptype_map = PTYPE['regular'] | |
1559 | ||
1560 | def ptype_for_name(self, name): | |
1561 | return self.ptype_map[name]['ready'] | |
1562 | ||
1563 | @staticmethod | |
1564 | def factory(path, dev, args): | |
1565 | dmcrypt_type = CryptHelpers.get_dmcrypt_type(args) | |
1566 | if ((path is not None and is_mpath(path)) or | |
1567 | (dev is not None and is_mpath(dev))): | |
1568 | partition = DevicePartitionMultipath(args) | |
1569 | elif dmcrypt_type == 'luks': | |
1570 | partition = DevicePartitionCryptLuks(args) | |
1571 | elif dmcrypt_type == 'plain': | |
1572 | partition = DevicePartitionCryptPlain(args) | |
1573 | else: | |
1574 | partition = DevicePartition(args) | |
1575 | partition.set_dev(dev) | |
1576 | return partition | |
1577 | ||
1578 | ||
1579 | class DevicePartitionMultipath(DevicePartition): | |
1580 | ||
1581 | def set_variables_ptype(self): | |
1582 | self.ptype_map = PTYPE['mpath'] | |
1583 | ||
1584 | ||
1585 | class DevicePartitionCrypt(DevicePartition): | |
1586 | ||
1587 | def __init__(self, args): | |
1588 | super(DevicePartitionCrypt, self).__init__(args) | |
1589 | self.osd_dm_keypath = None | |
1590 | self.cryptsetup_parameters = CryptHelpers.get_cryptsetup_parameters( | |
1591 | self.args) | |
1592 | self.dmcrypt_type = CryptHelpers.get_dmcrypt_type(self.args) | |
1593 | self.dmcrypt_keysize = CryptHelpers.get_dmcrypt_keysize(self.args) | |
1594 | ||
1595 | def setup_crypt(self): | |
1596 | pass | |
1597 | ||
1598 | def map(self): | |
1599 | self.setup_crypt() | |
1600 | self.dev = _dmcrypt_map( | |
1601 | rawdev=self.rawdev, | |
1602 | keypath=self.osd_dm_keypath, | |
1603 | _uuid=self.get_uuid(), | |
1604 | cryptsetup_parameters=self.cryptsetup_parameters, | |
1605 | luks=self.luks(), | |
1606 | format_dev=True, | |
1607 | ) | |
1608 | ||
1609 | def unmap(self): | |
1610 | self.setup_crypt() | |
1611 | dmcrypt_unmap(self.get_uuid()) | |
1612 | self.dev = self.rawdev | |
1613 | ||
1614 | def format(self): | |
1615 | self.setup_crypt() | |
1616 | self.map() | |
1617 | self.unmap() | |
1618 | ||
1619 | ||
1620 | class DevicePartitionCryptPlain(DevicePartitionCrypt): | |
1621 | ||
1622 | def luks(self): | |
1623 | return False | |
1624 | ||
1625 | def setup_crypt(self): | |
1626 | if self.osd_dm_keypath is not None: | |
1627 | return | |
1628 | ||
1629 | self.cryptsetup_parameters += ['--key-size', str(self.dmcrypt_keysize)] | |
1630 | ||
1631 | self.osd_dm_keypath = get_or_create_dmcrypt_key( | |
1632 | self.get_uuid(), self.args.dmcrypt_key_dir, | |
1633 | self.dmcrypt_keysize, False) | |
1634 | ||
1635 | def set_variables_ptype(self): | |
1636 | self.ptype_map = PTYPE['plain'] | |
1637 | ||
1638 | ||
1639 | class DevicePartitionCryptLuks(DevicePartitionCrypt): | |
1640 | ||
1641 | def luks(self): | |
1642 | return True | |
1643 | ||
1644 | def setup_crypt(self): | |
1645 | if self.osd_dm_keypath is not None: | |
1646 | return | |
1647 | ||
1648 | if self.dmcrypt_keysize == 1024: | |
1649 | # We don't force this into the cryptsetup_parameters, | |
1650 | # as we want the cryptsetup defaults | |
1651 | # to prevail for the actual LUKS key lengths. | |
1652 | pass | |
1653 | else: | |
1654 | self.cryptsetup_parameters += ['--key-size', | |
1655 | str(self.dmcrypt_keysize)] | |
1656 | ||
1657 | self.osd_dm_keypath = get_or_create_dmcrypt_key( | |
1658 | self.get_uuid(), self.args.dmcrypt_key_dir, | |
1659 | self.dmcrypt_keysize, True) | |
1660 | ||
1661 | def set_variables_ptype(self): | |
1662 | self.ptype_map = PTYPE['luks'] | |
1663 | ||
1664 | ||
1665 | class Prepare(object): | |
1666 | ||
1667 | @staticmethod | |
1668 | def parser(): | |
1669 | parser = argparse.ArgumentParser(add_help=False) | |
1670 | parser.add_argument( | |
1671 | '--cluster', | |
1672 | metavar='NAME', | |
1673 | default='ceph', | |
1674 | help='cluster name to assign this disk to', | |
1675 | ) | |
1676 | parser.add_argument( | |
1677 | '--cluster-uuid', | |
1678 | metavar='UUID', | |
1679 | help='cluster uuid to assign this disk to', | |
1680 | ) | |
1681 | parser.add_argument( | |
1682 | '--osd-uuid', | |
1683 | metavar='UUID', | |
1684 | help='unique OSD uuid to assign this disk to', | |
1685 | ) | |
1686 | parser.add_argument( | |
1687 | '--dmcrypt', | |
1688 | action='store_true', default=None, | |
1689 | help='encrypt DATA and/or JOURNAL devices with dm-crypt', | |
1690 | ) | |
1691 | parser.add_argument( | |
1692 | '--dmcrypt-key-dir', | |
1693 | metavar='KEYDIR', | |
1694 | default='/etc/ceph/dmcrypt-keys', | |
1695 | help='directory where dm-crypt keys are stored', | |
1696 | ) | |
1697 | return parser | |
1698 | ||
1699 | @staticmethod | |
1700 | def set_subparser(subparsers): | |
1701 | parents = [ | |
1702 | Prepare.parser(), | |
1703 | PrepareData.parser(), | |
1704 | ] | |
1705 | parents.extend(PrepareFilestore.parent_parsers()) | |
1706 | parents.extend(PrepareBluestore.parent_parsers()) | |
1707 | parser = subparsers.add_parser( | |
1708 | 'prepare', | |
1709 | parents=parents, | |
1710 | help='Prepare a directory or disk for a Ceph OSD', | |
1711 | ) | |
1712 | parser.set_defaults( | |
1713 | func=Prepare.main, | |
1714 | ) | |
1715 | return parser | |
1716 | ||
1717 | def prepare(self): | |
1718 | prepare_lock.acquire() | |
1719 | self.prepare_locked() | |
1720 | prepare_lock.release() | |
1721 | ||
1722 | @staticmethod | |
1723 | def factory(args): | |
1724 | if args.bluestore: | |
1725 | return PrepareBluestore(args) | |
1726 | else: | |
1727 | return PrepareFilestore(args) | |
1728 | ||
1729 | @staticmethod | |
1730 | def main(args): | |
1731 | Prepare.factory(args).prepare() | |
1732 | ||
1733 | ||
1734 | class PrepareFilestore(Prepare): | |
1735 | ||
1736 | def __init__(self, args): | |
1737 | self.data = PrepareFilestoreData(args) | |
1738 | self.journal = PrepareJournal(args) | |
1739 | ||
1740 | @staticmethod | |
1741 | def parent_parsers(): | |
1742 | return [ | |
1743 | PrepareJournal.parser(), | |
1744 | ] | |
1745 | ||
1746 | def prepare_locked(self): | |
1747 | self.data.prepare(self.journal) | |
1748 | ||
1749 | ||
1750 | class PrepareBluestore(Prepare): | |
1751 | ||
1752 | def __init__(self, args): | |
1753 | self.data = PrepareBluestoreData(args) | |
1754 | self.block = PrepareBluestoreBlock(args) | |
1755 | ||
1756 | @staticmethod | |
1757 | def parser(): | |
1758 | parser = argparse.ArgumentParser(add_help=False) | |
1759 | parser.add_argument( | |
1760 | '--bluestore', | |
1761 | action='store_true', default=None, | |
1762 | help='bluestore objectstore', | |
1763 | ) | |
1764 | return parser | |
1765 | ||
1766 | @staticmethod | |
1767 | def parent_parsers(): | |
1768 | return [ | |
1769 | PrepareBluestore.parser(), | |
1770 | PrepareBluestoreBlock.parser(), | |
1771 | ] | |
1772 | ||
1773 | def prepare_locked(self): | |
1774 | self.data.prepare(self.block) | |
1775 | ||
1776 | ||
1777 | class Space(object): | |
1778 | ||
1779 | NAMES = ('block', 'journal') | |
1780 | ||
1781 | ||
1782 | class PrepareSpace(object): | |
1783 | ||
1784 | NONE = 0 | |
1785 | FILE = 1 | |
1786 | DEVICE = 2 | |
1787 | ||
1788 | def __init__(self, args): | |
1789 | self.args = args | |
1790 | self.set_type() | |
1791 | self.space_size = self.get_space_size() | |
1792 | if (getattr(self.args, self.name) and | |
1793 | getattr(self.args, self.name + '_uuid') is None): | |
1794 | setattr(self.args, self.name + '_uuid', str(uuid.uuid4())) | |
1795 | self.space_symlink = None | |
1796 | self.space_dmcrypt = None | |
1797 | ||
1798 | def set_type(self): | |
1799 | name = self.name | |
1800 | args = self.args | |
1801 | dmode = os.stat(args.data).st_mode | |
1802 | if (self.wants_space() and | |
1803 | stat.S_ISBLK(dmode) and | |
1804 | not is_partition(args.data) and | |
1805 | getattr(args, name) is None and | |
1806 | getattr(args, name + '_file') is None): | |
1807 | LOG.info('Will colocate %s with data on %s', | |
1808 | name, args.data) | |
1809 | setattr(args, name, args.data) | |
1810 | ||
1811 | if getattr(args, name) is None: | |
1812 | if getattr(args, name + '_dev'): | |
1813 | raise Error('%s is unspecified; not a block device' % | |
1814 | name.capitalize(), getattr(args, name)) | |
1815 | self.type = self.NONE | |
1816 | return | |
1817 | ||
1818 | if not os.path.exists(getattr(args, name)): | |
1819 | if getattr(args, name + '_dev'): | |
1820 | raise Error('%s does not exist; not a block device' % | |
1821 | name.capitalize(), getattr(args, name)) | |
1822 | self.type = self.FILE | |
1823 | return | |
1824 | ||
1825 | mode = os.stat(getattr(args, name)).st_mode | |
1826 | if stat.S_ISBLK(mode): | |
1827 | if getattr(args, name + '_file'): | |
1828 | raise Error('%s is not a regular file' % name.capitalize, | |
1829 | geattr(args, name)) | |
1830 | self.type = self.DEVICE | |
1831 | return | |
1832 | ||
1833 | if stat.S_ISREG(mode): | |
1834 | if getattr(args, name + '_dev'): | |
1835 | raise Error('%s is not a block device' % name.capitalize, | |
1836 | geattr(args, name)) | |
1837 | self.type = self.FILE | |
1838 | ||
1839 | raise Error('%s %s is neither a block device nor regular file' % | |
1840 | (name.capitalize, geattr(args, name))) | |
1841 | ||
1842 | def is_none(self): | |
1843 | return self.type == self.NONE | |
1844 | ||
1845 | def is_file(self): | |
1846 | return self.type == self.FILE | |
1847 | ||
1848 | def is_device(self): | |
1849 | return self.type == self.DEVICE | |
1850 | ||
1851 | @staticmethod | |
1852 | def parser(name): | |
1853 | parser = argparse.ArgumentParser(add_help=False) | |
1854 | parser.add_argument( | |
1855 | '--%s-uuid' % name, | |
1856 | metavar='UUID', | |
1857 | help='unique uuid to assign to the %s' % name, | |
1858 | ) | |
1859 | parser.add_argument( | |
1860 | '--%s-file' % name, | |
1861 | action='store_true', default=None, | |
1862 | help='verify that %s is a file' % name.upper(), | |
1863 | ) | |
1864 | parser.add_argument( | |
1865 | '--%s-dev' % name, | |
1866 | action='store_true', default=None, | |
1867 | help='verify that %s is a block device' % name.upper(), | |
1868 | ) | |
1869 | parser.add_argument( | |
1870 | name, | |
1871 | metavar=name.upper(), | |
1872 | nargs='?', | |
1873 | help=('path to OSD %s disk block device;' % name + | |
1874 | ' leave out to store %s in file' % name), | |
1875 | ) | |
1876 | return parser | |
1877 | ||
1878 | def wants_space(self): | |
1879 | return True | |
1880 | ||
1881 | def populate_data_path(self, path): | |
1882 | if self.type == self.DEVICE: | |
1883 | self.populate_data_path_device(path) | |
1884 | elif self.type == self.FILE: | |
1885 | self.populate_data_path_file(path) | |
1886 | elif self.type == self.NONE: | |
1887 | pass | |
1888 | else: | |
1889 | raise Error('unexpected type ', self.type) | |
1890 | ||
1891 | def populate_data_path_file(self, path): | |
1892 | space_uuid = self.name + '_uuid' | |
1893 | if getattr(self.args, space_uuid) is not None: | |
1894 | write_one_line(path, space_uuid, | |
1895 | getattr(self.args, space_uuid)) | |
1896 | ||
1897 | def populate_data_path_device(self, path): | |
1898 | self.populate_data_path_file(path) | |
1899 | if self.space_symlink is not None: | |
1900 | adjust_symlink(self.space_symlink, | |
1901 | os.path.join(path, self.name)) | |
1902 | ||
1903 | if self.space_dmcrypt is not None: | |
1904 | adjust_symlink(self.space_dmcrypt, | |
1905 | os.path.join(path, self.name + '_dmcrypt')) | |
1906 | else: | |
1907 | try: | |
1908 | os.unlink(os.path.join(path, self.name + '_dmcrypt')) | |
1909 | except OSError: | |
1910 | pass | |
1911 | ||
1912 | def prepare(self): | |
1913 | if self.type == self.DEVICE: | |
1914 | self.prepare_device() | |
1915 | elif self.type == self.FILE: | |
1916 | self.prepare_file() | |
1917 | elif self.type == self.NONE: | |
1918 | pass | |
1919 | else: | |
1920 | raise Error('unexpected type ', self.type) | |
1921 | ||
1922 | def prepare_file(self): | |
1923 | if not os.path.exists(getattr(self.args, self.name)): | |
1924 | LOG.debug('Creating %s file %s with size 0' | |
1925 | ' (ceph-osd will resize and allocate)', | |
1926 | self.name, | |
1927 | getattr(self.args, self.name)) | |
1928 | with file(getattr(self.args, self.name), 'wb') as space_file: | |
1929 | pass | |
1930 | ||
1931 | LOG.debug('%s is file %s', | |
1932 | self.name.capitalize(), | |
1933 | getattr(self.args, self.name)) | |
1934 | LOG.warning('OSD will not be hot-swappable if %s is ' | |
1935 | 'not the same device as the osd data' % | |
1936 | self.name) | |
1937 | self.space_symlink = space_file | |
1938 | ||
1939 | def prepare_device(self): | |
1940 | reusing_partition = False | |
1941 | ||
1942 | if is_partition(getattr(self.args, self.name)): | |
1943 | LOG.debug('%s %s is a partition', | |
1944 | self.name.capitalize(), getattr(self.args, self.name)) | |
1945 | partition = DevicePartition.factory( | |
1946 | path=None, dev=getattr(self.args, self.name), args=self.args) | |
1947 | if isinstance(partition, DevicePartitionCrypt): | |
1948 | raise Error(getattr(self.args, self.name) + | |
1949 | ' partition already exists' | |
1950 | ' and --dmcrypt specified') | |
1951 | LOG.warning('OSD will not be hot-swappable' + | |
1952 | ' if ' + self.name + ' is not' + | |
1953 | ' the same device as the osd data') | |
1954 | if partition.get_ptype() == partition.ptype_for_name(self.name): | |
1955 | LOG.debug('%s %s was previously prepared with ' | |
1956 | 'ceph-disk. Reusing it.', | |
1957 | self.name.capitalize(), | |
1958 | getattr(self.args, self.name)) | |
1959 | reusing_partition = True | |
1960 | # Read and reuse the partition uuid from this journal's | |
1961 | # previous life. We reuse the uuid instead of changing it | |
1962 | # because udev does not reliably notice changes to an | |
1963 | # existing partition's GUID. See | |
1964 | # http://tracker.ceph.com/issues/10146 | |
1965 | setattr(self.args, self.name + '_uuid', partition.get_uuid()) | |
1966 | LOG.debug('Reusing %s with uuid %s', | |
1967 | self.name, | |
1968 | getattr(self.args, self.name + '_uuid')) | |
1969 | else: | |
1970 | LOG.warning('%s %s was not prepared with ' | |
1971 | 'ceph-disk. Symlinking directly.', | |
1972 | self.name.capitalize(), | |
1973 | getattr(self.args, self.name)) | |
1974 | self.space_symlink = getattr(self.args, self.name) | |
1975 | return | |
1976 | ||
1977 | self.space_symlink = '/dev/disk/by-partuuid/{uuid}'.format( | |
1978 | uuid=getattr(self.args, self.name + '_uuid')) | |
1979 | ||
1980 | if self.args.dmcrypt: | |
1981 | self.space_dmcrypt = self.space_symlink | |
1982 | self.space_symlink = '/dev/mapper/{uuid}'.format( | |
1983 | uuid=getattr(self.args, self.name + '_uuid')) | |
1984 | ||
1985 | if reusing_partition: | |
1986 | # confirm that the space_symlink exists. It should since | |
1987 | # this was an active space | |
1988 | # in the past. Continuing otherwise would be futile. | |
1989 | assert os.path.exists(self.space_symlink) | |
1990 | return | |
1991 | ||
1992 | num = self.desired_partition_number() | |
1993 | ||
1994 | if num == 0: | |
1995 | LOG.warning('OSD will not be hot-swappable if %s ' | |
1996 | 'is not the same device as the osd data', | |
1997 | self.name) | |
1998 | ||
1999 | device = Device.factory(getattr(self.args, self.name), self.args) | |
2000 | num = device.create_partition( | |
2001 | uuid=getattr(self.args, self.name + '_uuid'), | |
2002 | name=self.name, | |
2003 | size=self.space_size, | |
2004 | num=num) | |
2005 | ||
2006 | partition = device.get_partition(num) | |
2007 | ||
2008 | LOG.debug('%s is GPT partition %s', | |
2009 | self.name.capitalize(), | |
2010 | self.space_symlink) | |
2011 | ||
2012 | if isinstance(partition, DevicePartitionCrypt): | |
2013 | partition.format() | |
2014 | ||
2015 | command_check_call( | |
2016 | [ | |
2017 | 'sgdisk', | |
2018 | '--typecode={num}:{uuid}'.format( | |
2019 | num=num, | |
2020 | uuid=partition.ptype_for_name(self.name), | |
2021 | ), | |
2022 | '--', | |
2023 | getattr(self.args, self.name), | |
2024 | ], | |
2025 | ) | |
2026 | ||
2027 | LOG.debug('%s is GPT partition %s', | |
2028 | self.name.capitalize(), | |
2029 | self.space_symlink) | |
2030 | ||
2031 | ||
2032 | class PrepareJournal(PrepareSpace): | |
2033 | ||
2034 | def __init__(self, args): | |
2035 | self.name = 'journal' | |
2036 | (self.allows_journal, | |
2037 | self.wants_journal, | |
2038 | self.needs_journal) = check_journal_reqs(args) | |
2039 | ||
2040 | if args.journal and not self.allows_journal: | |
2041 | raise Error('journal specified but not allowed by osd backend') | |
2042 | ||
2043 | super(PrepareJournal, self).__init__(args) | |
2044 | ||
2045 | def wants_space(self): | |
2046 | return self.wants_journal | |
2047 | ||
2048 | def get_space_size(self): | |
2049 | return int(get_conf_with_default( | |
2050 | cluster=self.args.cluster, | |
2051 | variable='osd_journal_size', | |
2052 | )) | |
2053 | ||
2054 | def desired_partition_number(self): | |
2055 | if self.args.journal == self.args.data: | |
2056 | # we're sharing the disk between osd data and journal; | |
2057 | # make journal be partition number 2 | |
2058 | num = 2 | |
2059 | else: | |
2060 | num = 0 | |
2061 | return num | |
2062 | ||
2063 | @staticmethod | |
2064 | def parser(): | |
2065 | return PrepareSpace.parser('journal') | |
2066 | ||
2067 | ||
2068 | class PrepareBluestoreBlock(PrepareSpace): | |
2069 | ||
2070 | def __init__(self, args): | |
2071 | self.name = 'block' | |
2072 | super(PrepareBluestoreBlock, self).__init__(args) | |
2073 | ||
2074 | def get_space_size(self): | |
2075 | return 0 # get as much space as possible | |
2076 | ||
2077 | def desired_partition_number(self): | |
2078 | if self.args.block == self.args.data: | |
2079 | num = 2 | |
2080 | else: | |
2081 | num = 0 | |
2082 | return num | |
2083 | ||
2084 | @staticmethod | |
2085 | def parser(): | |
2086 | return PrepareSpace.parser('block') | |
2087 | ||
2088 | ||
2089 | class CryptHelpers(object): | |
2090 | ||
2091 | @staticmethod | |
2092 | def get_cryptsetup_parameters(args): | |
2093 | cryptsetup_parameters_str = get_conf( | |
2094 | cluster=args.cluster, | |
2095 | variable='osd_cryptsetup_parameters', | |
2096 | ) | |
2097 | if cryptsetup_parameters_str is None: | |
2098 | return [] | |
2099 | else: | |
2100 | return shlex.split(cryptsetup_parameters_str) | |
2101 | ||
2102 | @staticmethod | |
2103 | def get_dmcrypt_keysize(args): | |
2104 | dmcrypt_keysize_str = get_conf( | |
2105 | cluster=args.cluster, | |
2106 | variable='osd_dmcrypt_key_size', | |
2107 | ) | |
2108 | dmcrypt_type = CryptHelpers.get_dmcrypt_type(args) | |
2109 | if dmcrypt_type == 'luks': | |
2110 | if dmcrypt_keysize_str is None: | |
2111 | # As LUKS will hash the 'passphrase' in .luks.key | |
2112 | # into a key, set a large default | |
2113 | # so if not updated for some time, it is still a | |
2114 | # reasonable value. | |
2115 | # | |
2116 | return 1024 | |
2117 | else: | |
2118 | return int(dmcrypt_keysize_str) | |
2119 | elif dmcrypt_type == 'plain': | |
2120 | if dmcrypt_keysize_str is None: | |
2121 | # This value is hard-coded in the udev script | |
2122 | return 256 | |
2123 | else: | |
2124 | LOG.warning('ensure the 95-ceph-osd.rules file has ' | |
2125 | 'been copied to /etc/udev/rules.d ' | |
2126 | 'and modified to call cryptsetup ' | |
2127 | 'with --key-size=%s' % dmcrypt_keysize_str) | |
2128 | return int(dmcrypt_keysize_str) | |
2129 | else: | |
2130 | return 0 | |
2131 | ||
2132 | @staticmethod | |
2133 | def get_dmcrypt_type(args): | |
2134 | if args.dmcrypt: | |
2135 | dmcrypt_type = get_conf( | |
2136 | cluster=args.cluster, | |
2137 | variable='osd_dmcrypt_type', | |
2138 | ) | |
2139 | ||
2140 | if dmcrypt_type is None or dmcrypt_type == 'luks': | |
2141 | return 'luks' | |
2142 | elif dmcrypt_type == 'plain': | |
2143 | return 'plain' | |
2144 | else: | |
2145 | raise Error('invalid osd_dmcrypt_type parameter ' | |
2146 | '(must be luks or plain): ', dmcrypt_type) | |
2147 | else: | |
2148 | return None | |
2149 | ||
2150 | ||
2151 | class PrepareData(object): | |
2152 | ||
2153 | FILE = 1 | |
2154 | DEVICE = 2 | |
2155 | ||
2156 | def __init__(self, args): | |
2157 | ||
2158 | self.args = args | |
2159 | self.partition = None | |
2160 | self.set_type() | |
2161 | if self.args.cluster_uuid is None: | |
2162 | self.args.cluster_uuid = get_fsid(cluster=self.args.cluster) | |
2163 | ||
2164 | if self.args.osd_uuid is None: | |
2165 | self.args.osd_uuid = str(uuid.uuid4()) | |
2166 | ||
2167 | def set_type(self): | |
2168 | dmode = os.stat(self.args.data).st_mode | |
2169 | ||
2170 | if stat.S_ISDIR(dmode): | |
2171 | self.type = self.FILE | |
2172 | elif stat.S_ISBLK(dmode): | |
2173 | self.type = self.DEVICE | |
2174 | else: | |
2175 | raise Error('not a dir or block device', args.data) | |
2176 | ||
2177 | def is_file(self): | |
2178 | return self.type == self.FILE | |
2179 | ||
2180 | def is_device(self): | |
2181 | return self.type == self.DEVICE | |
2182 | ||
2183 | @staticmethod | |
2184 | def parser(): | |
2185 | parser = argparse.ArgumentParser(add_help=False) | |
2186 | parser.add_argument( | |
2187 | '--fs-type', | |
2188 | help='file system type to use (e.g. "ext4")', | |
2189 | ) | |
2190 | parser.add_argument( | |
2191 | '--zap-disk', | |
2192 | action='store_true', default=None, | |
2193 | help='destroy the partition table (and content) of a disk', | |
2194 | ) | |
2195 | parser.add_argument( | |
2196 | '--data-dir', | |
2197 | action='store_true', default=None, | |
2198 | help='verify that DATA is a dir', | |
2199 | ) | |
2200 | parser.add_argument( | |
2201 | '--data-dev', | |
2202 | action='store_true', default=None, | |
2203 | help='verify that DATA is a block device', | |
2204 | ) | |
2205 | parser.add_argument( | |
2206 | 'data', | |
2207 | metavar='DATA', | |
2208 | help='path to OSD data (a disk block device or directory)', | |
2209 | ) | |
2210 | return parser | |
2211 | ||
2212 | def populate_data_path_file(self, path, *to_prepare_list): | |
2213 | self.populate_data_path(path, *to_prepare_list) | |
2214 | ||
2215 | def populate_data_path(self, path, *to_prepare_list): | |
2216 | if os.path.exists(os.path.join(path, 'magic')): | |
2217 | LOG.debug('Data dir %s already exists', path) | |
2218 | return | |
2219 | else: | |
2220 | LOG.debug('Preparing osd data dir %s', path) | |
2221 | ||
2222 | if self.args.osd_uuid is None: | |
2223 | self.args.osd_uuid = str(uuid.uuid4()) | |
2224 | ||
2225 | write_one_line(path, 'ceph_fsid', self.args.cluster_uuid) | |
2226 | write_one_line(path, 'fsid', self.args.osd_uuid) | |
2227 | write_one_line(path, 'magic', CEPH_OSD_ONDISK_MAGIC) | |
2228 | ||
2229 | for to_prepare in to_prepare_list: | |
2230 | to_prepare.populate_data_path(path) | |
2231 | ||
2232 | def prepare(self, *to_prepare_list): | |
2233 | if self.type == self.DEVICE: | |
2234 | self.prepare_device(*to_prepare_list) | |
2235 | elif self.type == self.FILE: | |
2236 | self.prepare_file(*to_prepare_list) | |
2237 | else: | |
2238 | raise Error('unexpected type ', self.type) | |
2239 | ||
2240 | def prepare_file(self, *to_prepare_list): | |
2241 | ||
2242 | if not os.path.exists(self.args.data): | |
2243 | raise Error('data path for directory does not exist', | |
2244 | self.args.data) | |
2245 | ||
2246 | if self.args.data_dev: | |
2247 | raise Error('data path is not a block device', self.args.data) | |
2248 | ||
2249 | for to_prepare in to_prepare_list: | |
2250 | to_prepare.prepare() | |
2251 | ||
2252 | self.populate_data_path_file(self.args.data, *to_prepare_list) | |
2253 | ||
2254 | def sanity_checks(self): | |
2255 | if not os.path.exists(self.args.data): | |
2256 | raise Error('data path for device does not exist', | |
2257 | self.args.data) | |
2258 | verify_not_in_use(self.args.data, True) | |
2259 | ||
2260 | def set_variables(self): | |
2261 | if self.args.fs_type is None: | |
2262 | self.args.fs_type = get_conf( | |
2263 | cluster=self.args.cluster, | |
2264 | variable='osd_mkfs_type', | |
2265 | ) | |
2266 | if self.args.fs_type is None: | |
2267 | self.args.fs_type = get_conf( | |
2268 | cluster=self.args.cluster, | |
2269 | variable='osd_fs_type', | |
2270 | ) | |
2271 | if self.args.fs_type is None: | |
2272 | self.args.fs_type = DEFAULT_FS_TYPE | |
2273 | ||
2274 | self.mkfs_args = get_conf( | |
2275 | cluster=self.args.cluster, | |
2276 | variable='osd_mkfs_options_{fstype}'.format( | |
2277 | fstype=self.args.fs_type, | |
2278 | ), | |
2279 | ) | |
2280 | if self.mkfs_args is None: | |
2281 | self.mkfs_args = get_conf( | |
2282 | cluster=self.args.cluster, | |
2283 | variable='osd_fs_mkfs_options_{fstype}'.format( | |
2284 | fstype=self.args.fs_type, | |
2285 | ), | |
2286 | ) | |
2287 | ||
2288 | self.mount_options = get_conf( | |
2289 | cluster=self.args.cluster, | |
2290 | variable='osd_mount_options_{fstype}'.format( | |
2291 | fstype=self.args.fs_type, | |
2292 | ), | |
2293 | ) | |
2294 | if self.mount_options is None: | |
2295 | self.mount_options = get_conf( | |
2296 | cluster=self.args.cluster, | |
2297 | variable='osd_fs_mount_options_{fstype}'.format( | |
2298 | fstype=self.args.fs_type, | |
2299 | ), | |
2300 | ) | |
2301 | else: | |
2302 | # remove whitespaces | |
2303 | self.mount_options = "".join(self.mount_options.split()) | |
2304 | ||
2305 | if self.args.osd_uuid is None: | |
2306 | self.args.osd_uuid = str(uuid.uuid4()) | |
2307 | ||
2308 | def prepare_device(self, *to_prepare_list): | |
2309 | self.sanity_checks() | |
2310 | self.set_variables() | |
2311 | if self.args.zap_disk is not None: | |
2312 | zap(self.args.data) | |
2313 | ||
2314 | def create_data_partition(self): | |
2315 | device = Device.factory(self.args.data, self.args) | |
2316 | partition_number = 1 | |
2317 | device.create_partition(uuid=self.args.osd_uuid, | |
2318 | name='data', | |
2319 | num=partition_number, | |
2320 | size=self.get_space_size()) | |
2321 | return device.get_partition(partition_number) | |
2322 | ||
2323 | def set_data_partition(self): | |
2324 | if is_partition(self.args.data): | |
2325 | LOG.debug('OSD data device %s is a partition', | |
2326 | self.args.data) | |
2327 | self.partition = DevicePartition.factory( | |
2328 | path=None, dev=self.args.data, args=self.args) | |
2329 | ptype = partition.get_ptype() | |
2330 | if ptype != ptype_osd: | |
2331 | LOG.warning('incorrect partition UUID: %s, expected %s' | |
2332 | % (ptype, ptype_osd)) | |
2333 | else: | |
2334 | LOG.debug('Creating osd partition on %s', | |
2335 | self.args.data) | |
2336 | self.partition = self.create_data_partition() | |
2337 | ||
2338 | def populate_data_path_device(self, *to_prepare_list): | |
2339 | partition = self.partition | |
2340 | ||
2341 | if isinstance(partition, DevicePartitionCrypt): | |
2342 | partition.map() | |
2343 | ||
2344 | try: | |
2345 | args = [ | |
2346 | 'mkfs', | |
2347 | '-t', | |
2348 | self.args.fs_type, | |
2349 | ] | |
2350 | if self.mkfs_args is not None: | |
2351 | args.extend(self.mkfs_args.split()) | |
2352 | if self.args.fs_type == 'xfs': | |
2353 | args.extend(['-f']) # always force | |
2354 | else: | |
2355 | args.extend(MKFS_ARGS.get(self.args.fs_type, [])) | |
2356 | args.extend([ | |
2357 | '--', | |
2358 | partition.get_dev(), | |
2359 | ]) | |
2360 | try: | |
2361 | LOG.debug('Creating %s fs on %s', | |
2362 | self.args.fs_type, partition.get_dev()) | |
2363 | command_check_call(args) | |
2364 | except subprocess.CalledProcessError as e: | |
2365 | raise Error(e) | |
2366 | ||
2367 | path = mount(dev=partition.get_dev(), | |
2368 | fstype=self.args.fs_type, | |
2369 | options=self.mount_options) | |
2370 | ||
2371 | try: | |
2372 | self.populate_data_path(path, *to_prepare_list) | |
2373 | finally: | |
2374 | path_set_context(path) | |
2375 | unmount(path) | |
2376 | finally: | |
2377 | if isinstance(partition, DevicePartitionCrypt): | |
2378 | partition.unmap() | |
2379 | ||
2380 | if not is_partition(self.args.data): | |
2381 | try: | |
2382 | command_check_call( | |
2383 | [ | |
2384 | 'sgdisk', | |
2385 | '--typecode=%d:%s' % (partition.get_partition_number(), | |
2386 | partition.ptype_for_name('osd')), | |
2387 | '--', | |
2388 | self.args.data, | |
2389 | ], | |
2390 | ) | |
2391 | except subprocess.CalledProcessError as e: | |
2392 | raise Error(e) | |
2393 | update_partition(self.args.data, 'prepared') | |
2394 | command_check_call(['udevadm', 'trigger', | |
2395 | '--action=add', | |
2396 | '--sysname-match', | |
2397 | os.path.basename(partition.rawdev)]) | |
2398 | ||
2399 | ||
2400 | class PrepareFilestoreData(PrepareData): | |
2401 | ||
2402 | def get_space_size(self): | |
2403 | return 0 # get as much space as possible | |
2404 | ||
2405 | def prepare_device(self, *to_prepare_list): | |
2406 | super(PrepareFilestoreData, self).prepare_device(*to_prepare_list) | |
2407 | for to_prepare in to_prepare_list: | |
2408 | to_prepare.prepare() | |
2409 | self.set_data_partition() | |
2410 | self.populate_data_path_device(*to_prepare_list) | |
2411 | ||
2412 | ||
2413 | class PrepareBluestoreData(PrepareData): | |
2414 | ||
2415 | def get_space_size(self): | |
2416 | return 100 # MB | |
2417 | ||
2418 | def prepare_device(self, *to_prepare_list): | |
2419 | super(PrepareBluestoreData, self).prepare_device(*to_prepare_list) | |
2420 | self.set_data_partition() | |
2421 | for to_prepare in to_prepare_list: | |
2422 | to_prepare.prepare() | |
2423 | self.populate_data_path_device(*to_prepare_list) | |
2424 | ||
2425 | def populate_data_path(self, path, *to_prepare_list): | |
2426 | super(PrepareBluestoreData, self).populate_data_path(path, | |
2427 | *to_prepare_list) | |
2428 | write_one_line(path, 'type', 'bluestore') | |
2429 | ||
2430 | ||
2431 | def mkfs( | |
2432 | path, | |
2433 | cluster, | |
2434 | osd_id, | |
2435 | fsid, | |
2436 | keyring, | |
2437 | ): | |
2438 | monmap = os.path.join(path, 'activate.monmap') | |
2439 | command_check_call( | |
2440 | [ | |
2441 | 'ceph', | |
2442 | '--cluster', cluster, | |
2443 | '--name', 'client.bootstrap-osd', | |
2444 | '--keyring', keyring, | |
2445 | 'mon', 'getmap', '-o', monmap, | |
2446 | ], | |
2447 | ) | |
2448 | ||
2449 | osd_type = read_one_line(path, 'type') | |
2450 | ||
2451 | if osd_type == 'bluestore': | |
2452 | command_check_call( | |
2453 | [ | |
2454 | 'ceph-osd', | |
2455 | '--cluster', cluster, | |
2456 | '--mkfs', | |
2457 | '--mkkey', | |
2458 | '-i', osd_id, | |
2459 | '--monmap', monmap, | |
2460 | '--osd-data', path, | |
2461 | '--osd-uuid', fsid, | |
2462 | '--keyring', os.path.join(path, 'keyring'), | |
2463 | '--setuser', get_ceph_user(), | |
2464 | '--setgroup', get_ceph_user(), | |
2465 | ], | |
2466 | ) | |
2467 | else: | |
2468 | command_check_call( | |
2469 | [ | |
2470 | 'ceph-osd', | |
2471 | '--cluster', cluster, | |
2472 | '--mkfs', | |
2473 | '--mkkey', | |
2474 | '-i', osd_id, | |
2475 | '--monmap', monmap, | |
2476 | '--osd-data', path, | |
2477 | '--osd-journal', os.path.join(path, 'journal'), | |
2478 | '--osd-uuid', fsid, | |
2479 | '--keyring', os.path.join(path, 'keyring'), | |
2480 | '--setuser', get_ceph_user(), | |
2481 | '--setgroup', get_ceph_group(), | |
2482 | ], | |
2483 | ) | |
2484 | ||
2485 | ||
2486 | def auth_key( | |
2487 | path, | |
2488 | cluster, | |
2489 | osd_id, | |
2490 | keyring, | |
2491 | ): | |
2492 | try: | |
2493 | # try dumpling+ cap scheme | |
2494 | command_check_call( | |
2495 | [ | |
2496 | 'ceph', | |
2497 | '--cluster', cluster, | |
2498 | '--name', 'client.bootstrap-osd', | |
2499 | '--keyring', keyring, | |
2500 | 'auth', 'add', 'osd.{osd_id}'.format(osd_id=osd_id), | |
2501 | '-i', os.path.join(path, 'keyring'), | |
2502 | 'osd', 'allow *', | |
2503 | 'mon', 'allow profile osd', | |
2504 | ], | |
2505 | ) | |
2506 | except subprocess.CalledProcessError as err: | |
2507 | if err.returncode == errno.EINVAL: | |
2508 | # try old cap scheme | |
2509 | command_check_call( | |
2510 | [ | |
2511 | 'ceph', | |
2512 | '--cluster', cluster, | |
2513 | '--name', 'client.bootstrap-osd', | |
2514 | '--keyring', keyring, | |
2515 | 'auth', 'add', 'osd.{osd_id}'.format(osd_id=osd_id), | |
2516 | '-i', os.path.join(path, 'keyring'), | |
2517 | 'osd', 'allow *', | |
2518 | 'mon', 'allow rwx', | |
2519 | ], | |
2520 | ) | |
2521 | else: | |
2522 | raise | |
2523 | ||
2524 | ||
2525 | def get_mount_point(cluster, osd_id): | |
2526 | parent = STATEDIR + '/osd' | |
2527 | return os.path.join( | |
2528 | parent, | |
2529 | '{cluster}-{osd_id}'.format(cluster=cluster, osd_id=osd_id), | |
2530 | ) | |
2531 | ||
2532 | ||
2533 | def move_mount( | |
2534 | dev, | |
2535 | path, | |
2536 | cluster, | |
2537 | osd_id, | |
2538 | fstype, | |
2539 | mount_options, | |
2540 | ): | |
2541 | LOG.debug('Moving mount to final location...') | |
2542 | osd_data = get_mount_point(cluster, osd_id) | |
2543 | maybe_mkdir(osd_data) | |
2544 | ||
2545 | # pick best-of-breed mount options based on fs type | |
2546 | if mount_options is None: | |
2547 | mount_options = MOUNT_OPTIONS.get(fstype, '') | |
2548 | ||
2549 | # we really want to mount --move, but that is not supported when | |
2550 | # the parent mount is shared, as it is by default on RH, Fedora, | |
2551 | # and probably others. Also, --bind doesn't properly manipulate | |
2552 | # /etc/mtab, which *still* isn't a symlink to /proc/mounts despite | |
2553 | # this being 2013. Instead, mount the original device at the final | |
2554 | # location. | |
2555 | command_check_call( | |
2556 | [ | |
2557 | '/bin/mount', | |
2558 | '-o', | |
2559 | mount_options, | |
2560 | '--', | |
2561 | dev, | |
2562 | osd_data, | |
2563 | ], | |
2564 | ) | |
2565 | command_check_call( | |
2566 | [ | |
2567 | '/bin/umount', | |
2568 | '-l', # lazy, in case someone else is peeking at the | |
2569 | # wrong moment | |
2570 | '--', | |
2571 | path, | |
2572 | ], | |
2573 | ) | |
2574 | ||
2575 | ||
2576 | def start_daemon( | |
2577 | cluster, | |
2578 | osd_id, | |
2579 | ): | |
2580 | LOG.debug('Starting %s osd.%s...', cluster, osd_id) | |
2581 | ||
2582 | path = (STATEDIR + '/osd/{cluster}-{osd_id}').format( | |
2583 | cluster=cluster, osd_id=osd_id) | |
2584 | ||
2585 | try: | |
2586 | if os.path.exists(os.path.join(path, 'upstart')): | |
2587 | command_check_call( | |
2588 | [ | |
2589 | '/sbin/initctl', | |
2590 | # use emit, not start, because start would fail if the | |
2591 | # instance was already running | |
2592 | 'emit', | |
2593 | # since the daemon starting doesn't guarantee much about | |
2594 | # the service being operational anyway, don't bother | |
2595 | # waiting for it | |
2596 | '--no-wait', | |
2597 | '--', | |
2598 | 'ceph-osd', | |
2599 | 'cluster={cluster}'.format(cluster=cluster), | |
2600 | 'id={osd_id}'.format(osd_id=osd_id), | |
2601 | ], | |
2602 | ) | |
2603 | elif os.path.exists(os.path.join(path, 'sysvinit')): | |
2604 | if os.path.exists('/usr/sbin/service'): | |
2605 | svc = '/usr/sbin/service' | |
2606 | else: | |
2607 | svc = '/sbin/service' | |
2608 | command_check_call( | |
2609 | [ | |
2610 | svc, | |
2611 | 'ceph', | |
2612 | '--cluster', | |
2613 | '{cluster}'.format(cluster=cluster), | |
2614 | 'start', | |
2615 | 'osd.{osd_id}'.format(osd_id=osd_id), | |
2616 | ], | |
2617 | ) | |
2618 | elif os.path.exists(os.path.join(path, 'systemd')): | |
2619 | command_check_call( | |
2620 | [ | |
2621 | 'systemctl', | |
2622 | 'enable', | |
2623 | 'ceph-osd@{osd_id}'.format(osd_id=osd_id), | |
2624 | ], | |
2625 | ) | |
2626 | command_check_call( | |
2627 | [ | |
2628 | 'systemctl', | |
2629 | 'start', | |
2630 | 'ceph-osd@{osd_id}'.format(osd_id=osd_id), | |
2631 | ], | |
2632 | ) | |
2633 | else: | |
2634 | raise Error('{cluster} osd.{osd_id} is not tagged ' | |
2635 | 'with an init system'.format( | |
2636 | cluster=cluster, | |
2637 | osd_id=osd_id, | |
2638 | )) | |
2639 | except subprocess.CalledProcessError as e: | |
2640 | raise Error('ceph osd start failed', e) | |
2641 | ||
2642 | ||
2643 | def stop_daemon( | |
2644 | cluster, | |
2645 | osd_id, | |
2646 | ): | |
2647 | LOG.debug('Stoping %s osd.%s...', cluster, osd_id) | |
2648 | ||
2649 | path = (STATEDIR + '/osd/{cluster}-{osd_id}').format( | |
2650 | cluster=cluster, osd_id=osd_id) | |
2651 | ||
2652 | try: | |
2653 | if os.path.exists(os.path.join(path, 'upstart')): | |
2654 | command_check_call( | |
2655 | [ | |
2656 | '/sbin/initctl', | |
2657 | 'stop', | |
2658 | 'ceph-osd', | |
2659 | 'cluster={cluster}'.format(cluster=cluster), | |
2660 | 'id={osd_id}'.format(osd_id=osd_id), | |
2661 | ], | |
2662 | ) | |
2663 | elif os.path.exists(os.path.join(path, 'sysvinit')): | |
2664 | svc = which('service') | |
2665 | command_check_call( | |
2666 | [ | |
2667 | svc, | |
2668 | 'ceph', | |
2669 | '--cluster', | |
2670 | '{cluster}'.format(cluster=cluster), | |
2671 | 'stop', | |
2672 | 'osd.{osd_id}'.format(osd_id=osd_id), | |
2673 | ], | |
2674 | ) | |
2675 | elif os.path.exists(os.path.join(path, 'systemd')): | |
2676 | command_check_call( | |
2677 | [ | |
2678 | 'systemctl', | |
2679 | 'disable', | |
2680 | 'ceph-osd@{osd_id}'.format(osd_id=osd_id), | |
2681 | ], | |
2682 | ) | |
2683 | command_check_call( | |
2684 | [ | |
2685 | 'systemctl', | |
2686 | 'stop', | |
2687 | 'ceph-osd@{osd_id}'.format(osd_id=osd_id), | |
2688 | ], | |
2689 | ) | |
2690 | else: | |
2691 | raise Error('{cluster} osd.{osd_id} is not tagged with an init ' | |
2692 | ' system'.format(cluster=cluster, osd_id=osd_id)) | |
2693 | except subprocess.CalledProcessError as e: | |
2694 | raise Error('ceph osd stop failed', e) | |
2695 | ||
2696 | ||
2697 | def detect_fstype( | |
2698 | dev, | |
2699 | ): | |
2700 | fstype = _check_output( | |
2701 | args=[ | |
2702 | '/sbin/blkid', | |
2703 | # we don't want stale cached results | |
2704 | '-p', | |
2705 | '-s', 'TYPE', | |
2706 | '-o', 'value', | |
2707 | '--', | |
2708 | dev, | |
2709 | ], | |
2710 | ) | |
2711 | fstype = must_be_one_line(fstype) | |
2712 | return fstype | |
2713 | ||
2714 | ||
2715 | def dmcrypt_map(dev, dmcrypt_key_dir): | |
2716 | ptype = get_partition_type(dev) | |
2717 | if ptype in Ptype.get_ready_by_type('plain'): | |
2718 | luks = False | |
2719 | cryptsetup_parameters = ['--key-size', '256'] | |
2720 | elif ptype in Ptype.get_ready_by_type('luks'): | |
2721 | luks = True | |
2722 | cryptsetup_parameters = [] | |
2723 | else: | |
2724 | raise Error('--dmcrypt called for dev %s with invalid ptype %s' | |
2725 | % (dev, ptype)) | |
2726 | part_uuid = get_partition_uuid(dev) | |
2727 | dmcrypt_key_path = get_dmcrypt_key_path(part_uuid, dmcrypt_key_dir, luks) | |
2728 | return _dmcrypt_map( | |
2729 | rawdev=dev, | |
2730 | keypath=dmcrypt_key_path, | |
2731 | _uuid=part_uuid, | |
2732 | cryptsetup_parameters=cryptsetup_parameters, | |
2733 | luks=luks, | |
2734 | format_dev=False, | |
2735 | ) | |
2736 | ||
2737 | ||
2738 | def mount_activate( | |
2739 | dev, | |
2740 | activate_key_template, | |
2741 | init, | |
2742 | dmcrypt, | |
2743 | dmcrypt_key_dir, | |
2744 | reactivate=False, | |
2745 | ): | |
2746 | ||
2747 | if dmcrypt: | |
2748 | part_uuid = get_partition_uuid(dev) | |
2749 | dev = dmcrypt_map(dev, dmcrypt_key_dir) | |
2750 | try: | |
2751 | fstype = detect_fstype(dev=dev) | |
2752 | except (subprocess.CalledProcessError, | |
2753 | TruncatedLineError, | |
2754 | TooManyLinesError) as e: | |
2755 | raise FilesystemTypeError( | |
2756 | 'device {dev}'.format(dev=dev), | |
2757 | e, | |
2758 | ) | |
2759 | ||
2760 | # TODO always using mount options from cluster=ceph for | |
2761 | # now; see http://tracker.newdream.net/issues/3253 | |
2762 | mount_options = get_conf( | |
2763 | cluster='ceph', | |
2764 | variable='osd_mount_options_{fstype}'.format( | |
2765 | fstype=fstype, | |
2766 | ), | |
2767 | ) | |
2768 | ||
2769 | if mount_options is None: | |
2770 | mount_options = get_conf( | |
2771 | cluster='ceph', | |
2772 | variable='osd_fs_mount_options_{fstype}'.format( | |
2773 | fstype=fstype, | |
2774 | ), | |
2775 | ) | |
2776 | ||
2777 | # remove whitespaces from mount_options | |
2778 | if mount_options is not None: | |
2779 | mount_options = "".join(mount_options.split()) | |
2780 | ||
2781 | path = mount(dev=dev, fstype=fstype, options=mount_options) | |
2782 | ||
2783 | # check if the disk is deactive, change the journal owner, group | |
2784 | # mode for correct user and group. | |
2785 | if os.path.exists(os.path.join(path, 'deactive')): | |
2786 | # logging to syslog will help us easy to know udev triggered failure | |
2787 | if not reactivate: | |
2788 | unmount(path) | |
2789 | # we need to unmap again because dmcrypt map will create again | |
2790 | # on bootup stage (due to deactivate) | |
2791 | if '/dev/mapper/' in dev: | |
2792 | part_uuid = dev.replace('/dev/mapper/', '') | |
2793 | dmcrypt_unmap(part_uuid) | |
2794 | LOG.info('OSD deactivated! reactivate with: --reactivate') | |
2795 | raise Error('OSD deactivated! reactivate with: --reactivate') | |
2796 | # flag to activate a deactive osd. | |
2797 | deactive = True | |
2798 | else: | |
2799 | deactive = False | |
2800 | ||
2801 | osd_id = None | |
2802 | cluster = None | |
2803 | try: | |
2804 | (osd_id, cluster) = activate(path, activate_key_template, init) | |
2805 | ||
2806 | # Now active successfully | |
2807 | # If we got reactivate and deactive, remove the deactive file | |
2808 | if deactive and reactivate: | |
2809 | os.remove(os.path.join(path, 'deactive')) | |
2810 | LOG.info('Remove `deactive` file.') | |
2811 | ||
2812 | # check if the disk is already active, or if something else is already | |
2813 | # mounted there | |
2814 | active = False | |
2815 | other = False | |
2816 | src_dev = os.stat(path).st_dev | |
2817 | try: | |
2818 | dst_dev = os.stat((STATEDIR + '/osd/{cluster}-{osd_id}').format( | |
2819 | cluster=cluster, | |
2820 | osd_id=osd_id)).st_dev | |
2821 | if src_dev == dst_dev: | |
2822 | active = True | |
2823 | else: | |
2824 | parent_dev = os.stat(STATEDIR + '/osd').st_dev | |
2825 | if dst_dev != parent_dev: | |
2826 | other = True | |
2827 | elif os.listdir(get_mount_point(cluster, osd_id)): | |
2828 | LOG.info(get_mount_point(cluster, osd_id) + | |
2829 | " is not empty, won't override") | |
2830 | other = True | |
2831 | ||
2832 | except OSError: | |
2833 | pass | |
2834 | ||
2835 | if active: | |
2836 | LOG.info('%s osd.%s already mounted in position; unmounting ours.' | |
2837 | % (cluster, osd_id)) | |
2838 | unmount(path) | |
2839 | elif other: | |
2840 | raise Error('another %s osd.%s already mounted in position ' | |
2841 | '(old/different cluster instance?); unmounting ours.' | |
2842 | % (cluster, osd_id)) | |
2843 | else: | |
2844 | move_mount( | |
2845 | dev=dev, | |
2846 | path=path, | |
2847 | cluster=cluster, | |
2848 | osd_id=osd_id, | |
2849 | fstype=fstype, | |
2850 | mount_options=mount_options, | |
2851 | ) | |
2852 | return (cluster, osd_id) | |
2853 | ||
2854 | except: | |
2855 | LOG.error('Failed to activate') | |
2856 | unmount(path) | |
2857 | raise | |
2858 | finally: | |
2859 | # remove our temp dir | |
2860 | if os.path.exists(path): | |
2861 | os.rmdir(path) | |
2862 | ||
2863 | ||
2864 | def activate_dir( | |
2865 | path, | |
2866 | activate_key_template, | |
2867 | init, | |
2868 | ): | |
2869 | ||
2870 | if not os.path.exists(path): | |
2871 | raise Error( | |
2872 | 'directory %s does not exist' % path | |
2873 | ) | |
2874 | ||
2875 | (osd_id, cluster) = activate(path, activate_key_template, init) | |
2876 | ||
2877 | if init not in (None, 'none'): | |
2878 | canonical = (STATEDIR + '/osd/{cluster}-{osd_id}').format( | |
2879 | cluster=cluster, | |
2880 | osd_id=osd_id) | |
2881 | if path != canonical: | |
2882 | # symlink it from the proper location | |
2883 | create = True | |
2884 | if os.path.lexists(canonical): | |
2885 | old = os.readlink(canonical) | |
2886 | if old != path: | |
2887 | LOG.debug('Removing old symlink %s -> %s', canonical, old) | |
2888 | try: | |
2889 | os.unlink(canonical) | |
2890 | except: | |
2891 | raise Error('unable to remove old symlink', canonical) | |
2892 | else: | |
2893 | create = False | |
2894 | if create: | |
2895 | LOG.debug('Creating symlink %s -> %s', canonical, path) | |
2896 | try: | |
2897 | os.symlink(path, canonical) | |
2898 | except: | |
2899 | raise Error('unable to create symlink %s -> %s' | |
2900 | % (canonical, path)) | |
2901 | ||
2902 | return (cluster, osd_id) | |
2903 | ||
2904 | ||
2905 | def find_cluster_by_uuid(_uuid): | |
2906 | """ | |
2907 | Find a cluster name by searching /etc/ceph/*.conf for a conf file | |
2908 | with the right uuid. | |
2909 | """ | |
2910 | _uuid = _uuid.lower() | |
2911 | no_fsid = [] | |
2912 | if not os.path.exists(SYSCONFDIR): | |
2913 | return None | |
2914 | for conf_file in os.listdir(SYSCONFDIR): | |
2915 | if not conf_file.endswith('.conf'): | |
2916 | continue | |
2917 | cluster = conf_file[:-5] | |
2918 | try: | |
2919 | fsid = get_fsid(cluster) | |
2920 | except Error as e: | |
2921 | if e.message != 'getting cluster uuid from configuration failed': | |
2922 | raise e | |
2923 | no_fsid.append(cluster) | |
2924 | else: | |
2925 | if fsid == _uuid: | |
2926 | return cluster | |
2927 | # be tolerant of /etc/ceph/ceph.conf without an fsid defined. | |
2928 | if len(no_fsid) == 1 and no_fsid[0] == 'ceph': | |
2929 | LOG.warning('No fsid defined in ' + SYSCONFDIR + | |
2930 | '/ceph.conf; using anyway') | |
2931 | return 'ceph' | |
2932 | return None | |
2933 | ||
2934 | ||
2935 | def activate( | |
2936 | path, | |
2937 | activate_key_template, | |
2938 | init, | |
2939 | ): | |
2940 | ||
2941 | check_osd_magic(path) | |
2942 | ||
2943 | ceph_fsid = read_one_line(path, 'ceph_fsid') | |
2944 | if ceph_fsid is None: | |
2945 | raise Error('No cluster uuid assigned.') | |
2946 | LOG.debug('Cluster uuid is %s', ceph_fsid) | |
2947 | ||
2948 | cluster = find_cluster_by_uuid(ceph_fsid) | |
2949 | if cluster is None: | |
2950 | raise Error('No cluster conf found in ' + SYSCONFDIR + | |
2951 | ' with fsid %s' % ceph_fsid) | |
2952 | LOG.debug('Cluster name is %s', cluster) | |
2953 | ||
2954 | fsid = read_one_line(path, 'fsid') | |
2955 | if fsid is None: | |
2956 | raise Error('No OSD uuid assigned.') | |
2957 | LOG.debug('OSD uuid is %s', fsid) | |
2958 | ||
2959 | keyring = activate_key_template.format(cluster=cluster, | |
2960 | statedir=STATEDIR) | |
2961 | ||
2962 | osd_id = get_osd_id(path) | |
2963 | if osd_id is None: | |
2964 | osd_id = allocate_osd_id( | |
2965 | cluster=cluster, | |
2966 | fsid=fsid, | |
2967 | keyring=keyring, | |
2968 | ) | |
2969 | write_one_line(path, 'whoami', osd_id) | |
2970 | LOG.debug('OSD id is %s', osd_id) | |
2971 | ||
2972 | if not os.path.exists(os.path.join(path, 'ready')): | |
2973 | LOG.debug('Initializing OSD...') | |
2974 | # re-running mkfs is safe, so just run until it completes | |
2975 | mkfs( | |
2976 | path=path, | |
2977 | cluster=cluster, | |
2978 | osd_id=osd_id, | |
2979 | fsid=fsid, | |
2980 | keyring=keyring, | |
2981 | ) | |
2982 | ||
2983 | if init not in (None, 'none'): | |
2984 | if init == 'auto': | |
2985 | conf_val = get_conf( | |
2986 | cluster=cluster, | |
2987 | variable='init' | |
2988 | ) | |
2989 | if conf_val is not None: | |
2990 | init = conf_val | |
2991 | else: | |
2992 | init = init_get() | |
2993 | ||
2994 | LOG.debug('Marking with init system %s', init) | |
2995 | with file(os.path.join(path, init), 'w'): | |
2996 | pass | |
2997 | ||
2998 | # remove markers for others, just in case. | |
2999 | for other in INIT_SYSTEMS: | |
3000 | if other != init: | |
3001 | try: | |
3002 | os.unlink(os.path.join(path, other)) | |
3003 | except OSError: | |
3004 | pass | |
3005 | ||
3006 | if not os.path.exists(os.path.join(path, 'active')): | |
3007 | LOG.debug('Authorizing OSD key...') | |
3008 | auth_key( | |
3009 | path=path, | |
3010 | cluster=cluster, | |
3011 | osd_id=osd_id, | |
3012 | keyring=keyring, | |
3013 | ) | |
3014 | write_one_line(path, 'active', 'ok') | |
3015 | LOG.debug('%s osd.%s data dir is ready at %s', cluster, osd_id, path) | |
3016 | return (osd_id, cluster) | |
3017 | ||
3018 | ||
3019 | def main_activate(args): | |
3020 | cluster = None | |
3021 | osd_id = None | |
3022 | ||
3023 | if not os.path.exists(args.path): | |
3024 | raise Error('%s does not exist' % args.path) | |
3025 | ||
3026 | if is_suppressed(args.path): | |
3027 | LOG.info('suppressed activate request on %s', args.path) | |
3028 | return | |
3029 | ||
3030 | activate_lock.acquire() # noqa | |
3031 | try: | |
3032 | mode = os.stat(args.path).st_mode | |
3033 | if stat.S_ISBLK(mode): | |
3034 | if (is_partition(args.path) and | |
3035 | (get_partition_type(args.path) == | |
3036 | PTYPE['mpath']['osd']['ready']) and | |
3037 | not is_mpath(args.path)): | |
3038 | raise Error('%s is not a multipath block device' % | |
3039 | args.path) | |
3040 | (cluster, osd_id) = mount_activate( | |
3041 | dev=args.path, | |
3042 | activate_key_template=args.activate_key_template, | |
3043 | init=args.mark_init, | |
3044 | dmcrypt=args.dmcrypt, | |
3045 | dmcrypt_key_dir=args.dmcrypt_key_dir, | |
3046 | reactivate=args.reactivate, | |
3047 | ) | |
3048 | osd_data = get_mount_point(cluster, osd_id) | |
3049 | ||
3050 | elif stat.S_ISDIR(mode): | |
3051 | (cluster, osd_id) = activate_dir( | |
3052 | path=args.path, | |
3053 | activate_key_template=args.activate_key_template, | |
3054 | init=args.mark_init, | |
3055 | ) | |
3056 | osd_data = args.path | |
3057 | ||
3058 | else: | |
3059 | raise Error('%s is not a directory or block device' % args.path) | |
3060 | ||
3061 | if (not args.no_start_daemon and args.mark_init == 'none'): | |
3062 | command_check_call( | |
3063 | [ | |
3064 | 'ceph-osd', | |
3065 | '--cluster={cluster}'.format(cluster=cluster), | |
3066 | '--id={osd_id}'.format(osd_id=osd_id), | |
3067 | '--osd-data={path}'.format(path=osd_data), | |
3068 | '--osd-journal={path}/journal'.format(path=osd_data), | |
3069 | ], | |
3070 | ) | |
3071 | ||
3072 | if (not args.no_start_daemon and | |
3073 | args.mark_init not in (None, 'none')): | |
3074 | ||
3075 | start_daemon( | |
3076 | cluster=cluster, | |
3077 | osd_id=osd_id, | |
3078 | ) | |
3079 | ||
3080 | finally: | |
3081 | activate_lock.release() # noqa | |
3082 | ||
3083 | ||
3084 | ########################### | |
3085 | ||
3086 | def _mark_osd_out(cluster, osd_id): | |
3087 | LOG.info('Prepare to mark osd.%d out...', osd_id) | |
3088 | command([ | |
3089 | 'ceph', | |
3090 | 'osd', | |
3091 | 'out', | |
3092 | 'osd.%d' % osd_id, | |
3093 | ]) | |
3094 | ||
3095 | ||
3096 | def _check_osd_status(cluster, osd_id): | |
3097 | """ | |
3098 | report the osd status: | |
3099 | 00(0) : means OSD OUT AND DOWN | |
3100 | 01(1) : means OSD OUT AND UP | |
3101 | 10(2) : means OSD IN AND DOWN | |
3102 | 11(3) : means OSD IN AND UP | |
3103 | """ | |
3104 | LOG.info("Checking osd id: %s ..." % osd_id) | |
3105 | found = False | |
3106 | status_code = 0 | |
3107 | out, err, ret = command([ | |
3108 | 'ceph', | |
3109 | 'osd', | |
3110 | 'dump', | |
3111 | '--cluster={cluster}'.format( | |
3112 | cluster=cluster, | |
3113 | ), | |
3114 | '--format', | |
3115 | 'json', | |
3116 | ]) | |
3117 | out_json = json.loads(out) | |
3118 | for item in out_json[u'osds']: | |
3119 | if item.get(u'osd') == int(osd_id): | |
3120 | found = True | |
3121 | if item.get(u'in') is 1: | |
3122 | status_code += 2 | |
3123 | if item.get(u'up') is 1: | |
3124 | status_code += 1 | |
3125 | if not found: | |
3126 | raise Error('Could not osd.%s in osd tree!' % osd_id) | |
3127 | return status_code | |
3128 | ||
3129 | ||
3130 | def _remove_osd_directory_files(mounted_path, cluster): | |
3131 | """ | |
3132 | To remove the 'ready', 'active', INIT-specific files. | |
3133 | """ | |
3134 | if os.path.exists(os.path.join(mounted_path, 'ready')): | |
3135 | os.remove(os.path.join(mounted_path, 'ready')) | |
3136 | LOG.info('Remove `ready` file.') | |
3137 | else: | |
3138 | LOG.info('`ready` file is already removed.') | |
3139 | ||
3140 | if os.path.exists(os.path.join(mounted_path, 'active')): | |
3141 | os.remove(os.path.join(mounted_path, 'active')) | |
3142 | LOG.info('Remove `active` file.') | |
3143 | else: | |
3144 | LOG.info('`active` file is already removed.') | |
3145 | ||
3146 | # Just check `upstart` and `sysvinit` directly if filename is init-spec. | |
3147 | conf_val = get_conf( | |
3148 | cluster=cluster, | |
3149 | variable='init' | |
3150 | ) | |
3151 | if conf_val is not None: | |
3152 | init = conf_val | |
3153 | else: | |
3154 | init = init_get() | |
3155 | os.remove(os.path.join(mounted_path, init)) | |
3156 | LOG.info('Remove `%s` file.', init) | |
3157 | return | |
3158 | ||
3159 | ||
3160 | def main_deactivate(args): | |
3161 | activate_lock.acquire() # noqa | |
3162 | try: | |
3163 | main_deactivate_locked(args) | |
3164 | finally: | |
3165 | activate_lock.release() # noqa | |
3166 | ||
3167 | ||
3168 | def main_deactivate_locked(args): | |
3169 | osd_id = args.deactivate_by_id | |
3170 | path = args.path | |
3171 | target_dev = None | |
3172 | dmcrypt = False | |
3173 | devices = list_devices() | |
3174 | ||
3175 | # list all devices and found we need | |
3176 | for device in devices: | |
3177 | if 'partitions' in device: | |
3178 | for dev_part in device.get('partitions'): | |
3179 | if (osd_id and | |
3180 | 'whoami' in dev_part and | |
3181 | dev_part['whoami'] == osd_id): | |
3182 | target_dev = dev_part | |
3183 | elif (path and | |
3184 | 'path' in dev_part and | |
3185 | dev_part['path'] == path): | |
3186 | target_dev = dev_part | |
3187 | if not target_dev: | |
3188 | raise Error('Cannot find any match device!!') | |
3189 | ||
3190 | # set up all we need variable | |
3191 | osd_id = target_dev['whoami'] | |
3192 | part_type = target_dev['ptype'] | |
3193 | mounted_path = target_dev['mount'] | |
3194 | if Ptype.is_dmcrypt(part_type, 'osd'): | |
3195 | dmcrypt = True | |
3196 | ||
3197 | # Do not do anything if osd is already down. | |
3198 | status_code = _check_osd_status(args.cluster, osd_id) | |
3199 | if status_code == OSD_STATUS_IN_UP: | |
3200 | if args.mark_out is True: | |
3201 | _mark_osd_out(args.cluster, int(osd_id)) | |
3202 | stop_daemon(args.cluster, osd_id) | |
3203 | elif status_code == OSD_STATUS_IN_DOWN: | |
3204 | if args.mark_out is True: | |
3205 | _mark_osd_out(args.cluster, int(osd_id)) | |
3206 | LOG.info("OSD already out/down. Do not do anything now.") | |
3207 | return | |
3208 | elif status_code == OSD_STATUS_OUT_UP: | |
3209 | stop_daemon(args.cluster, osd_id) | |
3210 | elif status_code == OSD_STATUS_OUT_DOWN: | |
3211 | LOG.info("OSD already out/down. Do not do anything now.") | |
3212 | return | |
3213 | ||
3214 | # remove 'ready', 'active', and INIT-specific files. | |
3215 | _remove_osd_directory_files(mounted_path, args.cluster) | |
3216 | ||
3217 | # Write deactivate to osd directory! | |
3218 | with open(os.path.join(mounted_path, 'deactive'), 'w'): | |
3219 | path_set_context(os.path.join(mounted_path, 'deactive')) | |
3220 | ||
3221 | unmount(mounted_path) | |
3222 | LOG.info("Umount `%s` successfully.", mounted_path) | |
3223 | ||
3224 | if dmcrypt: | |
3225 | dmcrypt_unmap(target_dev['uuid']) | |
3226 | for name in Space.NAMES: | |
3227 | if name + '_uuid' in target_dev: | |
3228 | dmcrypt_unmap(target_dev[name + '_uuid']) | |
3229 | ||
3230 | ########################### | |
3231 | ||
3232 | ||
3233 | def _remove_from_crush_map(cluster, osd_id): | |
3234 | LOG.info("Prepare to remove osd.%s from crush map..." % osd_id) | |
3235 | command([ | |
3236 | 'ceph', | |
3237 | 'osd', | |
3238 | 'crush', | |
3239 | 'remove', | |
3240 | 'osd.%s' % osd_id, | |
3241 | ]) | |
3242 | ||
3243 | ||
3244 | def _delete_osd_auth_key(cluster, osd_id): | |
3245 | LOG.info("Prepare to delete osd.%s cephx key..." % osd_id) | |
3246 | command([ | |
3247 | 'ceph', | |
3248 | 'auth', | |
3249 | 'del', | |
3250 | 'osd.%s' % osd_id, | |
3251 | ]) | |
3252 | ||
3253 | ||
3254 | def _deallocate_osd_id(cluster, osd_id): | |
3255 | LOG.info("Prepare to deallocate the osd-id: %s..." % osd_id) | |
3256 | command([ | |
3257 | 'ceph', | |
3258 | 'osd', | |
3259 | 'rm', | |
3260 | '%s' % osd_id, | |
3261 | ]) | |
3262 | ||
3263 | ||
3264 | def destroy_lookup_device(args, predicate, description): | |
3265 | devices = list_devices() | |
3266 | for device in devices: | |
3267 | for partition in device.get('partitions', []): | |
3268 | if partition['dmcrypt']: | |
3269 | dmcrypt_path = dmcrypt_map(partition['path'], | |
3270 | args.dmcrypt_key_dir) | |
3271 | list_dev_osd(dmcrypt_path, {}, partition) | |
3272 | dmcrypt_unmap(partition['uuid']) | |
3273 | if predicate(partition): | |
3274 | return partition | |
3275 | raise Error('found no device matching ', description) | |
3276 | ||
3277 | ||
3278 | def main_destroy(args): | |
3279 | osd_id = args.destroy_by_id | |
3280 | path = args.path | |
3281 | dmcrypt = False | |
3282 | target_dev = None | |
3283 | ||
3284 | if path: | |
3285 | if not is_partition(path): | |
3286 | raise Error(path + " must be a partition device") | |
3287 | path = os.path.realpath(path) | |
3288 | ||
3289 | if path: | |
3290 | target_dev = destroy_lookup_device( | |
3291 | args, lambda x: x.get('path') == path, | |
3292 | path) | |
3293 | elif osd_id: | |
3294 | target_dev = destroy_lookup_device( | |
3295 | args, lambda x: x.get('whoami') == osd_id, | |
3296 | 'osd id ' + str(osd_id)) | |
3297 | ||
3298 | osd_id = target_dev['whoami'] | |
3299 | dev_path = target_dev['path'] | |
3300 | if target_dev['ptype'] == PTYPE['mpath']['osd']['ready']: | |
3301 | base_dev = get_partition_base_mpath(dev_path) | |
3302 | else: | |
3303 | base_dev = get_partition_base(dev_path) | |
3304 | ||
3305 | # Before osd deactivate, we cannot destroy it | |
3306 | status_code = _check_osd_status(args.cluster, osd_id) | |
3307 | if status_code != OSD_STATUS_OUT_DOWN and \ | |
3308 | status_code != OSD_STATUS_IN_DOWN: | |
3309 | raise Error("Could not destroy the active osd. (osd-id: %s)" % | |
3310 | osd_id) | |
3311 | ||
3312 | # Remove OSD from crush map | |
3313 | _remove_from_crush_map(args.cluster, osd_id) | |
3314 | ||
3315 | # Remove OSD cephx key | |
3316 | _delete_osd_auth_key(args.cluster, osd_id) | |
3317 | ||
3318 | # Deallocate OSD ID | |
3319 | _deallocate_osd_id(args.cluster, osd_id) | |
3320 | ||
3321 | # we remove the crypt map and device mapper (if dmcrypt is True) | |
3322 | if dmcrypt: | |
3323 | for name in Space.NAMES: | |
3324 | if target_dev.get(name + '_uuid'): | |
3325 | dmcrypt_unmap(target_dev[name + '_uuid']) | |
3326 | ||
3327 | # Check zap flag. If we found zap flag, we need to find device for | |
3328 | # destroy this osd data. | |
3329 | if args.zap is True: | |
3330 | # erase the osd data | |
3331 | LOG.info("Prepare to zap the device %s" % base_dev) | |
3332 | zap(base_dev) | |
3333 | ||
3334 | ||
3335 | def get_space_osd_uuid(name, path): | |
3336 | if not os.path.exists(path): | |
3337 | raise Error('%s does not exist' % path) | |
3338 | ||
3339 | mode = os.stat(path).st_mode | |
3340 | if not stat.S_ISBLK(mode): | |
3341 | raise Error('%s is not a block device' % path) | |
3342 | ||
3343 | if (is_partition(path) and | |
3344 | get_partition_type(path) in (PTYPE['mpath']['journal']['ready'], | |
3345 | PTYPE['mpath']['block']['ready']) and | |
3346 | not is_mpath(path)): | |
3347 | raise Error('%s is not a multipath block device' % | |
3348 | path) | |
3349 | ||
3350 | try: | |
3351 | out = _check_output( | |
3352 | args=[ | |
3353 | 'ceph-osd', | |
3354 | '--get-device-fsid', | |
3355 | path, | |
3356 | ], | |
3357 | close_fds=True, | |
3358 | ) | |
3359 | except subprocess.CalledProcessError as e: | |
3360 | raise Error( | |
3361 | 'failed to get osd uuid/fsid from %s' % name, | |
3362 | e, | |
3363 | ) | |
3364 | value = str(out).split('\n', 1)[0] | |
3365 | LOG.debug('%s %s has OSD UUID %s', name.capitalize(), path, value) | |
3366 | return value | |
3367 | ||
3368 | ||
3369 | def main_activate_space(name, args): | |
3370 | if not os.path.exists(args.dev): | |
3371 | raise Error('%s does not exist' % args.dev) | |
3372 | ||
3373 | cluster = None | |
3374 | osd_id = None | |
3375 | osd_uuid = None | |
3376 | dev = None | |
3377 | activate_lock.acquire() # noqa | |
3378 | try: | |
3379 | if args.dmcrypt: | |
3380 | dev = dmcrypt_map(args.dev, args.dmcrypt_key_dir) | |
3381 | else: | |
3382 | dev = args.dev | |
3383 | # FIXME: For an encrypted journal dev, does this return the | |
3384 | # cyphertext or plaintext dev uuid!? Also, if the journal is | |
3385 | # encrypted, is the data partition also always encrypted, or | |
3386 | # are mixed pairs supported!? | |
3387 | osd_uuid = get_space_osd_uuid(name, dev) | |
3388 | path = os.path.join('/dev/disk/by-partuuid/', osd_uuid.lower()) | |
3389 | ||
3390 | if is_suppressed(path): | |
3391 | LOG.info('suppressed activate request on %s', path) | |
3392 | return | |
3393 | ||
3394 | (cluster, osd_id) = mount_activate( | |
3395 | dev=path, | |
3396 | activate_key_template=args.activate_key_template, | |
3397 | init=args.mark_init, | |
3398 | dmcrypt=args.dmcrypt, | |
3399 | dmcrypt_key_dir=args.dmcrypt_key_dir, | |
3400 | reactivate=args.reactivate, | |
3401 | ) | |
3402 | ||
3403 | start_daemon( | |
3404 | cluster=cluster, | |
3405 | osd_id=osd_id, | |
3406 | ) | |
3407 | ||
3408 | finally: | |
3409 | activate_lock.release() # noqa | |
3410 | ||
3411 | ||
3412 | ########################### | |
3413 | ||
3414 | ||
3415 | def main_activate_all(args): | |
3416 | dir = '/dev/disk/by-parttypeuuid' | |
3417 | LOG.debug('Scanning %s', dir) | |
3418 | if not os.path.exists(dir): | |
3419 | return | |
3420 | err = False | |
3421 | for name in os.listdir(dir): | |
3422 | if name.find('.') < 0: | |
3423 | continue | |
3424 | (tag, uuid) = name.split('.') | |
3425 | ||
3426 | if tag in Ptype.get_ready_by_name('osd'): | |
3427 | ||
3428 | if Ptype.is_dmcrypt(tag, 'osd'): | |
3429 | path = os.path.join('/dev/mapper', uuid) | |
3430 | else: | |
3431 | path = os.path.join(dir, name) | |
3432 | ||
3433 | if is_suppressed(path): | |
3434 | LOG.info('suppressed activate request on %s', path) | |
3435 | continue | |
3436 | ||
3437 | LOG.info('Activating %s', path) | |
3438 | activate_lock.acquire() # noqa | |
3439 | try: | |
3440 | # never map dmcrypt cyphertext devices | |
3441 | (cluster, osd_id) = mount_activate( | |
3442 | dev=path, | |
3443 | activate_key_template=args.activate_key_template, | |
3444 | init=args.mark_init, | |
3445 | dmcrypt=False, | |
3446 | dmcrypt_key_dir='', | |
3447 | ) | |
3448 | start_daemon( | |
3449 | cluster=cluster, | |
3450 | osd_id=osd_id, | |
3451 | ) | |
3452 | ||
3453 | except Exception as e: | |
3454 | print >> sys.stderr, '{prog}: {msg}'.format( | |
3455 | prog=args.prog, | |
3456 | msg=e, | |
3457 | ) | |
3458 | err = True | |
3459 | ||
3460 | finally: | |
3461 | activate_lock.release() # noqa | |
3462 | if err: | |
3463 | raise Error('One or more partitions failed to activate') | |
3464 | ||
3465 | ||
3466 | ########################### | |
3467 | ||
3468 | def is_swap(dev): | |
3469 | dev = os.path.realpath(dev) | |
3470 | with file('/proc/swaps', 'rb') as proc_swaps: | |
3471 | for line in proc_swaps.readlines()[1:]: | |
3472 | fields = line.split() | |
3473 | if len(fields) < 3: | |
3474 | continue | |
3475 | swaps_dev = fields[0] | |
3476 | if swaps_dev.startswith('/') and os.path.exists(swaps_dev): | |
3477 | swaps_dev = os.path.realpath(swaps_dev) | |
3478 | if swaps_dev == dev: | |
3479 | return True | |
3480 | return False | |
3481 | ||
3482 | ||
3483 | def get_oneliner(base, name): | |
3484 | path = os.path.join(base, name) | |
3485 | if os.path.isfile(path): | |
3486 | with open(path, 'r') as _file: | |
3487 | return _file.readline().rstrip() | |
3488 | return None | |
3489 | ||
3490 | ||
3491 | def get_dev_fs(dev): | |
3492 | fscheck, _, _ = command( | |
3493 | [ | |
3494 | 'blkid', | |
3495 | '-s', | |
3496 | 'TYPE', | |
3497 | dev, | |
3498 | ], | |
3499 | ) | |
3500 | if 'TYPE' in fscheck: | |
3501 | fstype = fscheck.split()[1].split('"')[1] | |
3502 | return fstype | |
3503 | else: | |
3504 | return None | |
3505 | ||
3506 | ||
3507 | def split_dev_base_partnum(dev): | |
3508 | if is_mpath(dev): | |
3509 | partnum = partnum_mpath(dev) | |
3510 | base = get_partition_base_mpath(dev) | |
3511 | else: | |
3512 | b = block_path(dev) | |
3513 | partnum = open(os.path.join(b, 'partition')).read().strip() | |
3514 | base = get_partition_base(dev) | |
3515 | return (base, partnum) | |
3516 | ||
3517 | ||
3518 | def get_partition_type(part): | |
3519 | return get_blkid_partition_info(part, 'ID_PART_ENTRY_TYPE') | |
3520 | ||
3521 | ||
3522 | def get_partition_uuid(part): | |
3523 | return get_blkid_partition_info(part, 'ID_PART_ENTRY_UUID') | |
3524 | ||
3525 | ||
3526 | def get_blkid_partition_info(dev, what=None): | |
3527 | out, _, _ = command( | |
3528 | [ | |
3529 | 'blkid', | |
3530 | '-o', | |
3531 | 'udev', | |
3532 | '-p', | |
3533 | dev, | |
3534 | ] | |
3535 | ) | |
3536 | p = {} | |
3537 | for line in out.splitlines(): | |
3538 | (key, value) = line.split('=') | |
3539 | p[key] = value | |
3540 | if what: | |
3541 | return p.get(what) | |
3542 | else: | |
3543 | return p | |
3544 | ||
3545 | ||
3546 | def more_osd_info(path, uuid_map, desc): | |
3547 | desc['ceph_fsid'] = get_oneliner(path, 'ceph_fsid') | |
3548 | if desc['ceph_fsid']: | |
3549 | desc['cluster'] = find_cluster_by_uuid(desc['ceph_fsid']) | |
3550 | desc['whoami'] = get_oneliner(path, 'whoami') | |
3551 | for name in Space.NAMES: | |
3552 | uuid = get_oneliner(path, name + '_uuid') | |
3553 | if uuid: | |
3554 | desc[name + '_uuid'] = uuid.lower() | |
3555 | if desc[name + '_uuid'] in uuid_map: | |
3556 | desc[name + '_dev'] = uuid_map[desc[name + '_uuid']] | |
3557 | ||
3558 | ||
3559 | def list_dev_osd(dev, uuid_map, desc): | |
3560 | desc['mount'] = is_mounted(dev) | |
3561 | desc['fs_type'] = get_dev_fs(dev) | |
3562 | desc['state'] = 'unprepared' | |
3563 | if desc['mount']: | |
3564 | desc['state'] = 'active' | |
3565 | more_osd_info(desc['mount'], uuid_map, desc) | |
3566 | elif desc['fs_type']: | |
3567 | try: | |
3568 | tpath = mount(dev=dev, fstype=desc['fs_type'], options='') | |
3569 | if tpath: | |
3570 | try: | |
3571 | magic = get_oneliner(tpath, 'magic') | |
3572 | if magic is not None: | |
3573 | desc['magic'] = magic | |
3574 | desc['state'] = 'prepared' | |
3575 | more_osd_info(tpath, uuid_map, desc) | |
3576 | finally: | |
3577 | unmount(tpath) | |
3578 | except MountError: | |
3579 | pass | |
3580 | ||
3581 | ||
3582 | def list_format_more_osd_info_plain(dev): | |
3583 | desc = [] | |
3584 | if dev.get('ceph_fsid'): | |
3585 | if dev.get('cluster'): | |
3586 | desc.append('cluster ' + dev['cluster']) | |
3587 | else: | |
3588 | desc.append('unknown cluster ' + dev['ceph_fsid']) | |
3589 | if dev.get('whoami'): | |
3590 | desc.append('osd.%s' % dev['whoami']) | |
3591 | for name in Space.NAMES: | |
3592 | if dev.get(name + '_dev'): | |
3593 | desc.append(name + ' %s' % dev[name + '_dev']) | |
3594 | return desc | |
3595 | ||
3596 | ||
3597 | def list_format_dev_plain(dev, prefix=''): | |
3598 | desc = [] | |
3599 | if dev['ptype'] == PTYPE['regular']['osd']['ready']: | |
3600 | desc = (['ceph data', dev['state']] + | |
3601 | list_format_more_osd_info_plain(dev)) | |
3602 | elif Ptype.is_dmcrypt(dev['ptype'], 'osd'): | |
3603 | dmcrypt = dev['dmcrypt'] | |
3604 | if not dmcrypt['holders']: | |
3605 | desc = ['ceph data (dmcrypt %s)' % dmcrypt['type'], | |
3606 | 'not currently mapped'] | |
3607 | elif len(dmcrypt['holders']) == 1: | |
3608 | holder = get_dev_path(dmcrypt['holders'][0]) | |
3609 | desc = ['ceph data (dmcrypt %s %s)' % | |
3610 | (dmcrypt['type'], holder)] | |
3611 | desc += list_format_more_osd_info_plain(dev) | |
3612 | else: | |
3613 | desc = ['ceph data (dmcrypt %s)' % dmcrypt['type'], | |
3614 | 'holders: ' + ','.join(dmcrypt['holders'])] | |
3615 | elif Ptype.is_regular_space(dev['ptype']): | |
3616 | name = Ptype.space_ptype_to_name(dev['ptype']) | |
3617 | desc.append('ceph ' + name) | |
3618 | if dev.get(name + '_for'): | |
3619 | desc.append('for %s' % dev[name + '_for']) | |
3620 | elif Ptype.is_dmcrypt_space(dev['ptype']): | |
3621 | name = Ptype.space_ptype_to_name(dev['ptype']) | |
3622 | dmcrypt = dev['dmcrypt'] | |
3623 | if dmcrypt['holders'] and len(dmcrypt['holders']) == 1: | |
3624 | holder = get_dev_path(dmcrypt['holders'][0]) | |
3625 | desc = ['ceph ' + name + ' (dmcrypt %s %s)' % | |
3626 | (dmcrypt['type'], holder)] | |
3627 | else: | |
3628 | desc = ['ceph ' + name + ' (dmcrypt %s)' % dmcrypt['type']] | |
3629 | if dev.get(name + '_for'): | |
3630 | desc.append('for %s' % dev[name + '_for']) | |
3631 | else: | |
3632 | desc.append(dev['type']) | |
3633 | if dev.get('fs_type'): | |
3634 | desc.append(dev['fs_type']) | |
3635 | elif dev.get('ptype'): | |
3636 | desc.append(dev['ptype']) | |
3637 | if dev.get('mount'): | |
3638 | desc.append('mounted on %s' % dev['mount']) | |
3639 | return '%s%s %s' % (prefix, dev['path'], ', '.join(desc)) | |
3640 | ||
3641 | ||
3642 | def list_format_plain(devices): | |
3643 | lines = [] | |
3644 | for device in devices: | |
3645 | if device.get('partitions'): | |
3646 | lines.append('%s :' % device['path']) | |
3647 | for p in sorted(device['partitions']): | |
3648 | lines.append(list_format_dev_plain(dev=p, | |
3649 | prefix=' ')) | |
3650 | else: | |
3651 | lines.append(list_format_dev_plain(dev=device, | |
3652 | prefix='')) | |
3653 | return "\n".join(lines) | |
3654 | ||
3655 | ||
3656 | def list_dev(dev, uuid_map, space_map): | |
3657 | info = { | |
3658 | 'path': dev, | |
3659 | 'dmcrypt': {}, | |
3660 | } | |
3661 | ||
3662 | info['is_partition'] = is_partition(dev) | |
3663 | if info['is_partition']: | |
3664 | ptype = get_partition_type(dev) | |
3665 | info['uuid'] = get_partition_uuid(dev) | |
3666 | else: | |
3667 | ptype = 'unknown' | |
3668 | info['ptype'] = ptype | |
3669 | LOG.info("list_dev(dev = " + dev + ", ptype = " + str(ptype) + ")") | |
3670 | if ptype in (PTYPE['regular']['osd']['ready'], | |
3671 | PTYPE['mpath']['osd']['ready']): | |
3672 | info['type'] = 'data' | |
3673 | if ptype == PTYPE['mpath']['osd']['ready']: | |
3674 | info['multipath'] = True | |
3675 | list_dev_osd(dev, uuid_map, info) | |
3676 | elif ptype == PTYPE['plain']['osd']['ready']: | |
3677 | holders = is_held(dev) | |
3678 | info['type'] = 'data' | |
3679 | info['dmcrypt']['holders'] = holders | |
3680 | info['dmcrypt']['type'] = 'plain' | |
3681 | if len(holders) == 1: | |
3682 | list_dev_osd(get_dev_path(holders[0]), uuid_map, info) | |
3683 | elif ptype == PTYPE['luks']['osd']['ready']: | |
3684 | holders = is_held(dev) | |
3685 | info['type'] = 'data' | |
3686 | info['dmcrypt']['holders'] = holders | |
3687 | info['dmcrypt']['type'] = 'LUKS' | |
3688 | if len(holders) == 1: | |
3689 | list_dev_osd(get_dev_path(holders[0]), uuid_map, info) | |
3690 | elif Ptype.is_regular_space(ptype) or Ptype.is_mpath_space(ptype): | |
3691 | name = Ptype.space_ptype_to_name(ptype) | |
3692 | info['type'] = name | |
3693 | if ptype == PTYPE['mpath'][name]['ready']: | |
3694 | info['multipath'] = True | |
3695 | if info.get('uuid') in space_map: | |
3696 | info[name + '_for'] = space_map[info['uuid']] | |
3697 | elif Ptype.is_plain_space(ptype): | |
3698 | name = Ptype.space_ptype_to_name(ptype) | |
3699 | holders = is_held(dev) | |
3700 | info['type'] = name | |
3701 | info['dmcrypt']['type'] = 'plain' | |
3702 | info['dmcrypt']['holders'] = holders | |
3703 | if info.get('uuid') in space_map: | |
3704 | info[name + '_for'] = space_map[info['uuid']] | |
3705 | elif Ptype.is_luks_space(ptype): | |
3706 | name = Ptype.space_ptype_to_name(ptype) | |
3707 | holders = is_held(dev) | |
3708 | info['type'] = name | |
3709 | info['dmcrypt']['type'] = 'LUKS' | |
3710 | info['dmcrypt']['holders'] = holders | |
3711 | if info.get('uuid') in space_map: | |
3712 | info[name + '_for'] = space_map[info['uuid']] | |
3713 | else: | |
3714 | path = is_mounted(dev) | |
3715 | fs_type = get_dev_fs(dev) | |
3716 | if is_swap(dev): | |
3717 | info['type'] = 'swap' | |
3718 | else: | |
3719 | info['type'] = 'other' | |
3720 | if fs_type: | |
3721 | info['fs_type'] = fs_type | |
3722 | if path: | |
3723 | info['mount'] = path | |
3724 | ||
3725 | return info | |
3726 | ||
3727 | ||
3728 | def list_devices(): | |
3729 | partmap = list_all_partitions() | |
3730 | ||
3731 | uuid_map = {} | |
3732 | space_map = {} | |
3733 | for base, parts in sorted(partmap.iteritems()): | |
3734 | for p in parts: | |
3735 | dev = get_dev_path(p) | |
3736 | part_uuid = get_partition_uuid(dev) | |
3737 | if part_uuid: | |
3738 | uuid_map[part_uuid] = dev | |
3739 | ptype = get_partition_type(dev) | |
3740 | LOG.debug("main_list: " + dev + | |
3741 | " ptype = " + str(ptype) + | |
3742 | " uuid = " + str(part_uuid)) | |
3743 | if ptype in Ptype.get_ready_by_name('osd'): | |
3744 | if Ptype.is_dmcrypt(ptype, 'osd'): | |
3745 | holders = is_held(dev) | |
3746 | if len(holders) != 1: | |
3747 | continue | |
3748 | dev_to_mount = get_dev_path(holders[0]) | |
3749 | else: | |
3750 | dev_to_mount = dev | |
3751 | ||
3752 | fs_type = get_dev_fs(dev_to_mount) | |
3753 | if fs_type is not None: | |
3754 | try: | |
3755 | tpath = mount(dev=dev_to_mount, | |
3756 | fstype=fs_type, options='') | |
3757 | try: | |
3758 | for name in Space.NAMES: | |
3759 | space_uuid = get_oneliner(tpath, | |
3760 | name + '_uuid') | |
3761 | if space_uuid: | |
3762 | space_map[space_uuid.lower()] = dev | |
3763 | finally: | |
3764 | unmount(tpath) | |
3765 | except MountError: | |
3766 | pass | |
3767 | ||
3768 | LOG.debug("main_list: " + str(partmap) + ", uuid_map = " + | |
3769 | str(uuid_map) + ", space_map = " + str(space_map)) | |
3770 | ||
3771 | devices = [] | |
3772 | for base, parts in sorted(partmap.iteritems()): | |
3773 | if parts: | |
3774 | disk = {'path': get_dev_path(base)} | |
3775 | partitions = [] | |
3776 | for p in sorted(parts): | |
3777 | partitions.append(list_dev(get_dev_path(p), | |
3778 | uuid_map, | |
3779 | space_map)) | |
3780 | disk['partitions'] = partitions | |
3781 | devices.append(disk) | |
3782 | else: | |
3783 | device = list_dev(get_dev_path(base), uuid_map, space_map) | |
3784 | device['path'] = get_dev_path(base) | |
3785 | devices.append(device) | |
3786 | LOG.debug("list_devices: " + str(devices)) | |
3787 | return devices | |
3788 | ||
3789 | ||
3790 | def main_list(args): | |
3791 | devices = list_devices() | |
3792 | if args.path: | |
3793 | paths = [] | |
3794 | for path in args.path: | |
3795 | if os.path.exists(path): | |
3796 | paths.append(os.path.realpath(path)) | |
3797 | else: | |
3798 | paths.append(path) | |
3799 | selected_devices = [] | |
3800 | for device in devices: | |
3801 | for path in paths: | |
3802 | if re.search(path + '$', device['path']): | |
3803 | selected_devices.append(device) | |
3804 | else: | |
3805 | selected_devices = devices | |
3806 | if args.format == 'json': | |
3807 | print json.dumps(selected_devices) | |
3808 | else: | |
3809 | output = list_format_plain(selected_devices) | |
3810 | if output: | |
3811 | print output | |
3812 | ||
3813 | ||
3814 | ########################### | |
3815 | # | |
3816 | # Mark devices that we want to suppress activates on with a | |
3817 | # file like | |
3818 | # | |
3819 | # /var/lib/ceph/tmp/suppress-activate.sdb | |
3820 | # | |
3821 | # where the last bit is the sanitized device name (/dev/X without the | |
3822 | # /dev/ prefix) and the is_suppress() check matches a prefix. That | |
3823 | # means suppressing sdb will stop activate on sdb1, sdb2, etc. | |
3824 | # | |
3825 | ||
3826 | def is_suppressed(path): | |
3827 | disk = os.path.realpath(path) | |
3828 | try: | |
3829 | if (not disk.startswith('/dev/') or | |
3830 | not stat.S_ISBLK(os.lstat(disk).st_mode)): | |
3831 | return False | |
3832 | base = get_dev_name(disk) | |
3833 | while len(base): | |
3834 | if os.path.exists(SUPPRESS_PREFIX + base): # noqa | |
3835 | return True | |
3836 | base = base[:-1] | |
3837 | except: | |
3838 | return False | |
3839 | ||
3840 | ||
3841 | def set_suppress(path): | |
3842 | disk = os.path.realpath(path) | |
3843 | if not os.path.exists(disk): | |
3844 | raise Error('does not exist', path) | |
3845 | if not stat.S_ISBLK(os.lstat(path).st_mode): | |
3846 | raise Error('not a block device', path) | |
3847 | base = get_dev_name(disk) | |
3848 | ||
3849 | with file(SUPPRESS_PREFIX + base, 'w') as f: # noqa | |
3850 | pass | |
3851 | LOG.info('set suppress flag on %s', base) | |
3852 | ||
3853 | ||
3854 | def unset_suppress(path): | |
3855 | disk = os.path.realpath(path) | |
3856 | if not os.path.exists(disk): | |
3857 | raise Error('does not exist', path) | |
3858 | if not stat.S_ISBLK(os.lstat(path).st_mode): | |
3859 | raise Error('not a block device', path) | |
3860 | assert disk.startswith('/dev/') | |
3861 | base = get_dev_name(disk) | |
3862 | ||
3863 | fn = SUPPRESS_PREFIX + base # noqa | |
3864 | if not os.path.exists(fn): | |
3865 | raise Error('not marked as suppressed', path) | |
3866 | ||
3867 | try: | |
3868 | os.unlink(fn) | |
3869 | LOG.info('unset suppress flag on %s', base) | |
3870 | except OSError as e: | |
3871 | raise Error('failed to unsuppress', e) | |
3872 | ||
3873 | ||
3874 | def main_suppress(args): | |
3875 | set_suppress(args.path) | |
3876 | ||
3877 | ||
3878 | def main_unsuppress(args): | |
3879 | unset_suppress(args.path) | |
3880 | ||
3881 | ||
3882 | def main_zap(args): | |
3883 | for dev in args.dev: | |
3884 | zap(dev) | |
3885 | ||
3886 | ||
3887 | def main_trigger(args): | |
3888 | LOG.debug("main_trigger: " + str(args)) | |
3889 | if is_systemd() and not args.sync: | |
3890 | # http://www.freedesktop.org/software/systemd/man/systemd-escape.html | |
3891 | escaped_dev = args.dev[1:].replace('-', '\\x2d') | |
3892 | service = 'ceph-disk@{dev}.service'.format(dev=escaped_dev) | |
3893 | LOG.info('systemd detected, triggering %s' % service) | |
3894 | command( | |
3895 | [ | |
3896 | 'systemctl', | |
3897 | '--no-block', | |
3898 | 'restart', | |
3899 | service, | |
3900 | ] | |
3901 | ) | |
3902 | return | |
3903 | if is_upstart() and not args.sync: | |
3904 | LOG.info('upstart detected, triggering ceph-disk task') | |
3905 | command( | |
3906 | [ | |
3907 | 'initctl', | |
3908 | 'emit', | |
3909 | 'ceph-disk', | |
3910 | 'dev={dev}'.format(dev=args.dev), | |
3911 | 'pid={pid}'.format(pid=os.getpid()), | |
3912 | ] | |
3913 | ) | |
3914 | return | |
3915 | ||
3916 | parttype = get_partition_type(args.dev) | |
3917 | partid = get_partition_uuid(args.dev) | |
3918 | ||
3919 | LOG.info('trigger {dev} parttype {parttype} uuid {partid}'.format( | |
3920 | dev=args.dev, | |
3921 | parttype=parttype, | |
3922 | partid=partid, | |
3923 | )) | |
3924 | ||
3925 | if parttype in (PTYPE['regular']['osd']['ready'], | |
3926 | PTYPE['mpath']['osd']['ready']): | |
3927 | command( | |
3928 | [ | |
3929 | 'ceph-disk', | |
3930 | 'activate', | |
3931 | args.dev, | |
3932 | ] | |
3933 | ) | |
3934 | elif parttype in (PTYPE['regular']['journal']['ready'], | |
3935 | PTYPE['mpath']['journal']['ready']): | |
3936 | command( | |
3937 | [ | |
3938 | 'ceph-disk', | |
3939 | 'activate-journal', | |
3940 | args.dev, | |
3941 | ] | |
3942 | ) | |
3943 | ||
3944 | # journals are easy: map, chown, activate-journal | |
3945 | elif parttype == PTYPE['plain']['journal']['ready']: | |
3946 | command( | |
3947 | [ | |
3948 | '/sbin/cryptsetup', | |
3949 | '--key-file', | |
3950 | '/etc/ceph/dmcrypt-keys/{partid}'.format(partid=partid), | |
3951 | '--key-size', | |
3952 | '256', | |
3953 | 'create', | |
3954 | partid, | |
3955 | args.dev, | |
3956 | ] | |
3957 | ) | |
3958 | newdev = '/dev/mapper/' + partid | |
3959 | count = 0 | |
3960 | while not os.path.exists(newdev) and count <= 10: | |
3961 | time.sleep(1) | |
3962 | count += 1 | |
3963 | command( | |
3964 | [ | |
3965 | '/bin/chown', | |
3966 | 'ceph:ceph', | |
3967 | newdev, | |
3968 | ] | |
3969 | ) | |
3970 | command( | |
3971 | [ | |
3972 | '/usr/sbin/ceph-disk', | |
3973 | 'activate-journal', | |
3974 | newdev, | |
3975 | ] | |
3976 | ) | |
3977 | elif parttype == PTYPE['luks']['journal']['ready']: | |
3978 | command( | |
3979 | [ | |
3980 | '/sbin/cryptsetup', | |
3981 | '--key-file', | |
3982 | '/etc/ceph/dmcrypt-keys/{partid}.luks.key'.format( | |
3983 | partid=partid), | |
3984 | 'luksOpen', | |
3985 | args.dev, | |
3986 | partid, | |
3987 | ] | |
3988 | ) | |
3989 | newdev = '/dev/mapper/' + partid | |
3990 | count = 0 | |
3991 | while not os.path.exists(newdev) and count <= 10: | |
3992 | time.sleep(1) | |
3993 | count += 1 | |
3994 | command( | |
3995 | [ | |
3996 | '/bin/chown', | |
3997 | 'ceph:ceph', | |
3998 | newdev, | |
3999 | ] | |
4000 | ) | |
4001 | command( | |
4002 | [ | |
4003 | '/usr/sbin/ceph-disk', | |
4004 | 'activate-journal', | |
4005 | newdev, | |
4006 | ] | |
4007 | ) | |
4008 | ||
4009 | elif parttype in (PTYPE['regular']['block']['ready'], | |
4010 | PTYPE['mpath']['block']['ready']): | |
4011 | command( | |
4012 | [ | |
4013 | 'ceph-disk', | |
4014 | 'activate-block', | |
4015 | args.dev, | |
4016 | ] | |
4017 | ) | |
4018 | ||
4019 | # blocks are easy: map, chown, activate-block | |
4020 | elif parttype == PTYPE['plain']['block']['ready']: | |
4021 | command( | |
4022 | [ | |
4023 | '/sbin/cryptsetup', | |
4024 | '--key-file', | |
4025 | '/etc/ceph/dmcrypt-keys/{partid}'.format(partid=partid), | |
4026 | '--key-size', | |
4027 | '256', | |
4028 | 'create', | |
4029 | partid, | |
4030 | args.dev, | |
4031 | ] | |
4032 | ) | |
4033 | newdev = '/dev/mapper/' + partid | |
4034 | count = 0 | |
4035 | while not os.path.exists(newdev) and count <= 10: | |
4036 | time.sleep(1) | |
4037 | count += 1 | |
4038 | command( | |
4039 | [ | |
4040 | '/bin/chown', | |
4041 | 'ceph:ceph', | |
4042 | newdev, | |
4043 | ] | |
4044 | ) | |
4045 | command( | |
4046 | [ | |
4047 | '/usr/sbin/ceph-disk', | |
4048 | 'activate-block', | |
4049 | newdev, | |
4050 | ] | |
4051 | ) | |
4052 | elif parttype == PTYPE['luks']['block']['ready']: | |
4053 | command( | |
4054 | [ | |
4055 | '/sbin/cryptsetup', | |
4056 | '--key-file', | |
4057 | '/etc/ceph/dmcrypt-keys/{partid}.luks.key'.format( | |
4058 | partid=partid), | |
4059 | 'luksOpen', | |
4060 | args.dev, | |
4061 | partid, | |
4062 | ] | |
4063 | ) | |
4064 | newdev = '/dev/mapper/' + partid | |
4065 | count = 0 | |
4066 | while not os.path.exists(newdev) and count <= 10: | |
4067 | time.sleep(1) | |
4068 | count += 1 | |
4069 | command( | |
4070 | [ | |
4071 | '/bin/chown', | |
4072 | 'ceph:ceph', | |
4073 | newdev, | |
4074 | ] | |
4075 | ) | |
4076 | command( | |
4077 | [ | |
4078 | '/usr/sbin/ceph-disk', | |
4079 | 'activate-block', | |
4080 | newdev, | |
4081 | ] | |
4082 | ) | |
4083 | ||
4084 | # osd data: map, activate | |
4085 | elif parttype == PTYPE['plain']['osd']['ready']: | |
4086 | command( | |
4087 | [ | |
4088 | '/sbin/cryptsetup', | |
4089 | '--key-file', | |
4090 | '/etc/ceph/dmcrypt-keys/{partid}'.format(partid=partid), | |
4091 | '--key-size', | |
4092 | '256', | |
4093 | 'create', | |
4094 | partid, | |
4095 | args.dev, | |
4096 | ] | |
4097 | ) | |
4098 | newdev = '/dev/mapper/' + partid | |
4099 | count = 0 | |
4100 | while not os.path.exists(newdev) and count <= 10: | |
4101 | time.sleep(1) | |
4102 | count += 1 | |
4103 | command( | |
4104 | [ | |
4105 | '/usr/sbin/ceph-disk', | |
4106 | 'activate', | |
4107 | newdev, | |
4108 | ] | |
4109 | ) | |
4110 | ||
4111 | elif parttype == PTYPE['luks']['osd']['ready']: | |
4112 | command( | |
4113 | [ | |
4114 | '/sbin/cryptsetup', | |
4115 | '--key-file', | |
4116 | '/etc/ceph/dmcrypt-keys/{partid}.luks.key'.format( | |
4117 | partid=partid), | |
4118 | 'luksOpen', | |
4119 | args.dev, | |
4120 | partid, | |
4121 | ] | |
4122 | ) | |
4123 | newdev = '/dev/mapper/' + partid | |
4124 | count = 0 | |
4125 | while not os.path.exists(newdev) and count <= 10: | |
4126 | time.sleep(1) | |
4127 | count += 1 | |
4128 | command( | |
4129 | [ | |
4130 | '/usr/sbin/ceph-disk', | |
4131 | 'activate', | |
4132 | newdev, | |
4133 | ] | |
4134 | ) | |
4135 | ||
4136 | else: | |
4137 | raise Error('unrecognized partition type %s' % parttype) | |
4138 | ||
4139 | ||
4140 | def setup_statedir(dir): | |
4141 | # XXX The following use of globals makes linting | |
4142 | # really hard. Global state in Python is iffy and | |
4143 | # should be avoided. | |
4144 | global STATEDIR | |
4145 | STATEDIR = dir | |
4146 | ||
4147 | if not os.path.exists(STATEDIR): | |
4148 | os.mkdir(STATEDIR) | |
4149 | if not os.path.exists(STATEDIR + "/tmp"): | |
4150 | os.mkdir(STATEDIR + "/tmp") | |
4151 | ||
4152 | global prepare_lock | |
4153 | prepare_lock = filelock(STATEDIR + '/tmp/ceph-disk.prepare.lock') | |
4154 | ||
4155 | global activate_lock | |
4156 | activate_lock = filelock(STATEDIR + '/tmp/ceph-disk.activate.lock') | |
4157 | ||
4158 | global SUPPRESS_PREFIX | |
4159 | SUPPRESS_PREFIX = STATEDIR + '/tmp/suppress-activate.' | |
4160 | ||
4161 | ||
4162 | def setup_sysconfdir(dir): | |
4163 | global SYSCONFDIR | |
4164 | SYSCONFDIR = dir | |
4165 | ||
4166 | ||
4167 | def parse_args(argv): | |
4168 | parser = argparse.ArgumentParser( | |
4169 | 'ceph-disk', | |
4170 | ) | |
4171 | parser.add_argument( | |
4172 | '-v', '--verbose', | |
4173 | action='store_true', default=None, | |
4174 | help='be more verbose', | |
4175 | ) | |
4176 | parser.add_argument( | |
4177 | '--log-stdout', | |
4178 | action='store_true', default=None, | |
4179 | help='log to stdout', | |
4180 | ) | |
4181 | parser.add_argument( | |
4182 | '--prepend-to-path', | |
4183 | metavar='PATH', | |
4184 | default='/usr/bin', | |
4185 | help=('prepend PATH to $PATH for backward compatibility ' | |
4186 | '(default /usr/bin)'), | |
4187 | ) | |
4188 | parser.add_argument( | |
4189 | '--statedir', | |
4190 | metavar='PATH', | |
4191 | default='/var/lib/ceph', | |
4192 | help=('directory in which ceph state is preserved ' | |
4193 | '(default /var/lib/ceph)'), | |
4194 | ) | |
4195 | parser.add_argument( | |
4196 | '--sysconfdir', | |
4197 | metavar='PATH', | |
4198 | default='/etc/ceph', | |
4199 | help=('directory in which ceph configuration files are found ' | |
4200 | '(default /etc/ceph)'), | |
4201 | ) | |
4202 | parser.add_argument( | |
4203 | '--setuser', | |
4204 | metavar='USER', | |
4205 | default=None, | |
4206 | help='use the given user for subprocesses, rather than ceph or root' | |
4207 | ) | |
4208 | parser.add_argument( | |
4209 | '--setgroup', | |
4210 | metavar='GROUP', | |
4211 | default=None, | |
4212 | help='use the given group for subprocesses, rather than ceph or root' | |
4213 | ) | |
4214 | parser.set_defaults( | |
4215 | # we want to hold on to this, for later | |
4216 | prog=parser.prog, | |
4217 | ) | |
4218 | ||
4219 | subparsers = parser.add_subparsers( | |
4220 | title='subcommands', | |
4221 | description='valid subcommands', | |
4222 | help='sub-command help', | |
4223 | ) | |
4224 | ||
4225 | Prepare.set_subparser(subparsers) | |
4226 | make_activate_parser(subparsers) | |
4227 | make_activate_block_parser(subparsers) | |
4228 | make_activate_journal_parser(subparsers) | |
4229 | make_activate_all_parser(subparsers) | |
4230 | make_list_parser(subparsers) | |
4231 | make_suppress_parser(subparsers) | |
4232 | make_deactivate_parser(subparsers) | |
4233 | make_destroy_parser(subparsers) | |
4234 | make_zap_parser(subparsers) | |
4235 | make_trigger_parser(subparsers) | |
4236 | ||
4237 | args = parser.parse_args(argv) | |
4238 | return args | |
4239 | ||
4240 | ||
4241 | def make_trigger_parser(subparsers): | |
4242 | trigger_parser = subparsers.add_parser( | |
4243 | 'trigger', | |
4244 | help='Trigger an event (caled by udev)') | |
4245 | trigger_parser.add_argument( | |
4246 | 'dev', | |
4247 | help=('device'), | |
4248 | ) | |
4249 | trigger_parser.add_argument( | |
4250 | '--sync', | |
4251 | action='store_true', default=None, | |
4252 | help=('do operation synchronously; do not trigger systemd'), | |
4253 | ) | |
4254 | trigger_parser.set_defaults( | |
4255 | func=main_trigger, | |
4256 | ) | |
4257 | return trigger_parser | |
4258 | ||
4259 | ||
4260 | def make_activate_parser(subparsers): | |
4261 | activate_parser = subparsers.add_parser( | |
4262 | 'activate', | |
4263 | help='Activate a Ceph OSD') | |
4264 | activate_parser.add_argument( | |
4265 | '--mount', | |
4266 | action='store_true', default=None, | |
4267 | help='mount a block device [deprecated, ignored]', | |
4268 | ) | |
4269 | activate_parser.add_argument( | |
4270 | '--activate-key', | |
4271 | metavar='PATH', | |
4272 | help='bootstrap-osd keyring path template (%(default)s)', | |
4273 | dest='activate_key_template', | |
4274 | ) | |
4275 | activate_parser.add_argument( | |
4276 | '--mark-init', | |
4277 | metavar='INITSYSTEM', | |
4278 | help='init system to manage this dir', | |
4279 | default='auto', | |
4280 | choices=INIT_SYSTEMS, | |
4281 | ) | |
4282 | activate_parser.add_argument( | |
4283 | '--no-start-daemon', | |
4284 | action='store_true', default=None, | |
4285 | help='do not start the daemon', | |
4286 | ) | |
4287 | activate_parser.add_argument( | |
4288 | 'path', | |
4289 | metavar='PATH', | |
4290 | help='path to block device or directory', | |
4291 | ) | |
4292 | activate_parser.add_argument( | |
4293 | '--dmcrypt', | |
4294 | action='store_true', default=None, | |
4295 | help='map DATA and/or JOURNAL devices with dm-crypt', | |
4296 | ) | |
4297 | activate_parser.add_argument( | |
4298 | '--dmcrypt-key-dir', | |
4299 | metavar='KEYDIR', | |
4300 | default='/etc/ceph/dmcrypt-keys', | |
4301 | help='directory where dm-crypt keys are stored', | |
4302 | ) | |
4303 | activate_parser.add_argument( | |
4304 | '--reactivate', | |
4305 | action='store_true', default=False, | |
4306 | help='activate the deactived OSD', | |
4307 | ) | |
4308 | activate_parser.set_defaults( | |
4309 | activate_key_template='{statedir}/bootstrap-osd/{cluster}.keyring', | |
4310 | func=main_activate, | |
4311 | ) | |
4312 | return activate_parser | |
4313 | ||
4314 | ||
4315 | def make_activate_block_parser(subparsers): | |
4316 | return make_activate_space_parser('block', subparsers) | |
4317 | ||
4318 | ||
4319 | def make_activate_journal_parser(subparsers): | |
4320 | return make_activate_space_parser('journal', subparsers) | |
4321 | ||
4322 | ||
4323 | def make_activate_space_parser(name, subparsers): | |
4324 | activate_space_parser = subparsers.add_parser( | |
4325 | 'activate-%s' % name, | |
4326 | help='Activate an OSD via its %s device' % name) | |
4327 | activate_space_parser.add_argument( | |
4328 | 'dev', | |
4329 | metavar='DEV', | |
4330 | help='path to %s block device' % name, | |
4331 | ) | |
4332 | activate_space_parser.add_argument( | |
4333 | '--activate-key', | |
4334 | metavar='PATH', | |
4335 | help='bootstrap-osd keyring path template (%(default)s)', | |
4336 | dest='activate_key_template', | |
4337 | ) | |
4338 | activate_space_parser.add_argument( | |
4339 | '--mark-init', | |
4340 | metavar='INITSYSTEM', | |
4341 | help='init system to manage this dir', | |
4342 | default='auto', | |
4343 | choices=INIT_SYSTEMS, | |
4344 | ) | |
4345 | activate_space_parser.add_argument( | |
4346 | '--dmcrypt', | |
4347 | action='store_true', default=None, | |
4348 | help=('map data and/or auxiliariy (journal, etc.) ' | |
4349 | 'devices with dm-crypt'), | |
4350 | ) | |
4351 | activate_space_parser.add_argument( | |
4352 | '--dmcrypt-key-dir', | |
4353 | metavar='KEYDIR', | |
4354 | default='/etc/ceph/dmcrypt-keys', | |
4355 | help='directory where dm-crypt keys are stored', | |
4356 | ) | |
4357 | activate_space_parser.add_argument( | |
4358 | '--reactivate', | |
4359 | action='store_true', default=False, | |
4360 | help='activate the deactived OSD', | |
4361 | ) | |
4362 | activate_space_parser.set_defaults( | |
4363 | activate_key_template='{statedir}/bootstrap-osd/{cluster}.keyring', | |
4364 | func=lambda args: main_activate_space(name, args), | |
4365 | ) | |
4366 | return activate_space_parser | |
4367 | ||
4368 | ||
4369 | def make_activate_all_parser(subparsers): | |
4370 | activate_all_parser = subparsers.add_parser( | |
4371 | 'activate-all', | |
4372 | help='Activate all tagged OSD partitions') | |
4373 | activate_all_parser.add_argument( | |
4374 | '--activate-key', | |
4375 | metavar='PATH', | |
4376 | help='bootstrap-osd keyring path template (%(default)s)', | |
4377 | dest='activate_key_template', | |
4378 | ) | |
4379 | activate_all_parser.add_argument( | |
4380 | '--mark-init', | |
4381 | metavar='INITSYSTEM', | |
4382 | help='init system to manage this dir', | |
4383 | default='auto', | |
4384 | choices=INIT_SYSTEMS, | |
4385 | ) | |
4386 | activate_all_parser.set_defaults( | |
4387 | activate_key_template='{statedir}/bootstrap-osd/{cluster}.keyring', | |
4388 | func=main_activate_all, | |
4389 | ) | |
4390 | return activate_all_parser | |
4391 | ||
4392 | ||
4393 | def make_list_parser(subparsers): | |
4394 | list_parser = subparsers.add_parser( | |
4395 | 'list', | |
4396 | help='List disks, partitions, and Ceph OSDs') | |
4397 | list_parser.add_argument( | |
4398 | '--format', | |
4399 | help='output format', | |
4400 | default='plain', | |
4401 | choices=['json', 'plain'], | |
4402 | ) | |
4403 | list_parser.add_argument( | |
4404 | 'path', | |
4405 | metavar='PATH', | |
4406 | nargs='*', | |
4407 | help='path to block devices, relative to /sys/block', | |
4408 | ) | |
4409 | list_parser.set_defaults( | |
4410 | func=main_list, | |
4411 | ) | |
4412 | return list_parser | |
4413 | ||
4414 | ||
4415 | def make_suppress_parser(subparsers): | |
4416 | suppress_parser = subparsers.add_parser( | |
4417 | 'suppress-activate', | |
4418 | help='Suppress activate on a device (prefix)') | |
4419 | suppress_parser.add_argument( | |
4420 | 'path', | |
4421 | metavar='PATH', | |
4422 | help='path to block device or directory', | |
4423 | ) | |
4424 | suppress_parser.set_defaults( | |
4425 | func=main_suppress, | |
4426 | ) | |
4427 | ||
4428 | unsuppress_parser = subparsers.add_parser( | |
4429 | 'unsuppress-activate', | |
4430 | help='Stop suppressing activate on a device (prefix)') | |
4431 | unsuppress_parser.add_argument( | |
4432 | 'path', | |
4433 | metavar='PATH', | |
4434 | help='path to block device or directory', | |
4435 | ) | |
4436 | unsuppress_parser.set_defaults( | |
4437 | func=main_unsuppress, | |
4438 | ) | |
4439 | return suppress_parser | |
4440 | ||
4441 | ||
4442 | def make_deactivate_parser(subparsers): | |
4443 | deactivate_parser = subparsers.add_parser( | |
4444 | 'deactivate', | |
4445 | help='Deactivate a Ceph OSD') | |
4446 | deactivate_parser.add_argument( | |
4447 | '--cluster', | |
4448 | metavar='NAME', | |
4449 | default='ceph', | |
4450 | help='cluster name to assign this disk to', | |
4451 | ) | |
4452 | deactivate_parser.add_argument( | |
4453 | 'path', | |
4454 | metavar='PATH', | |
4455 | nargs='?', | |
4456 | help='path to block device or directory', | |
4457 | ) | |
4458 | deactivate_parser.add_argument( | |
4459 | '--deactivate-by-id', | |
4460 | metavar='<id>', | |
4461 | help='ID of OSD to deactive' | |
4462 | ) | |
4463 | deactivate_parser.add_argument( | |
4464 | '--mark-out', | |
4465 | action='store_true', default=False, | |
4466 | help='option to mark the osd out', | |
4467 | ) | |
4468 | deactivate_parser.set_defaults( | |
4469 | func=main_deactivate, | |
4470 | ) | |
4471 | ||
4472 | ||
4473 | def make_destroy_parser(subparsers): | |
4474 | destroy_parser = subparsers.add_parser( | |
4475 | 'destroy', | |
4476 | help='Destroy a Ceph OSD') | |
4477 | destroy_parser.add_argument( | |
4478 | '--cluster', | |
4479 | metavar='NAME', | |
4480 | default='ceph', | |
4481 | help='cluster name to assign this disk to', | |
4482 | ) | |
4483 | destroy_parser.add_argument( | |
4484 | 'path', | |
4485 | metavar='PATH', | |
4486 | nargs='?', | |
4487 | help='path to block device or directory', | |
4488 | ) | |
4489 | destroy_parser.add_argument( | |
4490 | '--destroy-by-id', | |
4491 | metavar='<id>', | |
4492 | help='ID of OSD to destroy' | |
4493 | ) | |
4494 | destroy_parser.add_argument( | |
4495 | '--dmcrypt-key-dir', | |
4496 | metavar='KEYDIR', | |
4497 | default='/etc/ceph/dmcrypt-keys', | |
4498 | help=('directory where dm-crypt keys are stored ' | |
4499 | '(If you don\'t know how it work, ' | |
4500 | 'dont use it. we have default value)'), | |
4501 | ) | |
4502 | destroy_parser.add_argument( | |
4503 | '--zap', | |
4504 | action='store_true', default=False, | |
4505 | help='option to erase data and partition', | |
4506 | ) | |
4507 | destroy_parser.set_defaults( | |
4508 | func=main_destroy, | |
4509 | ) | |
4510 | ||
4511 | ||
4512 | def make_zap_parser(subparsers): | |
4513 | zap_parser = subparsers.add_parser( | |
4514 | 'zap', | |
4515 | help='Zap/erase/destroy a device\'s partition table (and contents)') | |
4516 | zap_parser.add_argument( | |
4517 | 'dev', | |
4518 | metavar='DEV', | |
4519 | nargs='+', | |
4520 | help='path to block device', | |
4521 | ) | |
4522 | zap_parser.set_defaults( | |
4523 | func=main_zap, | |
4524 | ) | |
4525 | return zap_parser | |
4526 | ||
4527 | ||
4528 | def main(argv): | |
4529 | args = parse_args(argv) | |
4530 | ||
4531 | setup_logging(args.verbose, args.log_stdout) | |
4532 | ||
4533 | if args.prepend_to_path != '': | |
4534 | path = os.environ.get('PATH', os.defpath) | |
4535 | os.environ['PATH'] = args.prepend_to_path + ":" + path | |
4536 | ||
4537 | setup_statedir(args.statedir) | |
4538 | setup_sysconfdir(args.sysconfdir) | |
4539 | ||
4540 | global CEPH_PREF_USER | |
4541 | CEPH_PREF_USER = args.setuser | |
4542 | global CEPH_PREF_GROUP | |
4543 | CEPH_PREF_GROUP = args.setgroup | |
4544 | ||
4545 | if args.verbose: | |
4546 | args.func(args) | |
4547 | else: | |
4548 | main_catch(args.func, args) | |
4549 | ||
4550 | ||
4551 | def setup_logging(verbose, log_stdout): | |
4552 | loglevel = logging.WARNING | |
4553 | if verbose: | |
4554 | loglevel = logging.DEBUG | |
4555 | ||
4556 | if log_stdout: | |
4557 | ch = logging.StreamHandler(stream=sys.stdout) | |
4558 | ch.setLevel(loglevel) | |
4559 | formatter = logging.Formatter('%(filename)s: %(message)s') | |
4560 | ch.setFormatter(formatter) | |
4561 | LOG.addHandler(ch) | |
4562 | LOG.setLevel(loglevel) | |
4563 | else: | |
4564 | logging.basicConfig( | |
4565 | level=loglevel, | |
4566 | ) | |
4567 | ||
4568 | ||
4569 | def main_catch(func, args): | |
4570 | ||
4571 | try: | |
4572 | func(args) | |
4573 | ||
4574 | except Error as e: | |
4575 | raise SystemExit( | |
4576 | '{prog}: {msg}'.format( | |
4577 | prog=args.prog, | |
4578 | msg=e, | |
4579 | ) | |
4580 | ) | |
4581 | ||
4582 | except CephDiskException as error: | |
4583 | exc_name = error.__class__.__name__ | |
4584 | raise SystemExit( | |
4585 | '{prog} {exc_name}: {msg}'.format( | |
4586 | prog=args.prog, | |
4587 | exc_name=exc_name, | |
4588 | msg=error, | |
4589 | ) | |
4590 | ) | |
4591 | ||
4592 | ||
4593 | def run(): | |
4594 | main(sys.argv[1:]) | |
4595 | ||
4596 | if __name__ == '__main__': | |
4597 | main(sys.argv[1:]) | |
4598 | warned_about = {} |