]>
Commit | Line | Data |
---|---|---|
d2e6a577 FG |
1 | from __future__ import print_function |
2 | import argparse | |
3efd9988 FG |
3 | import logging |
4 | import os | |
d2e6a577 | 5 | from textwrap import dedent |
91327a77 | 6 | from ceph_volume import process, conf, decorators, terminal, __release__, configuration |
181888fb | 7 | from ceph_volume.util import system, disk |
3efd9988 | 8 | from ceph_volume.util import prepare as prepare_utils |
b32b8144 | 9 | from ceph_volume.util import encryption as encryption_utils |
d2e6a577 | 10 | from ceph_volume.systemd import systemctl |
3efd9988 | 11 | from ceph_volume.api import lvm as api |
94b18763 | 12 | from .listing import direct_report |
3efd9988 FG |
13 | |
14 | ||
15 | logger = logging.getLogger(__name__) | |
d2e6a577 FG |
16 | |
17 | ||
f6b5b4d7 | 18 | def activate_filestore(osd_lvs, no_systemd=False): |
d2e6a577 | 19 | # find the osd |
f6b5b4d7 TL |
20 | for osd_lv in osd_lvs: |
21 | if osd_lv.tags.get('ceph.type') == 'data': | |
22 | data_lv = osd_lv | |
23 | break | |
24 | else: | |
3efd9988 | 25 | raise RuntimeError('Unable to find a data LV for filestore activation') |
b32b8144 | 26 | |
f6b5b4d7 TL |
27 | is_encrypted = data_lv.tags.get('ceph.encrypted', '0') == '1' |
28 | is_vdo = data_lv.tags.get('ceph.vdo', '0') | |
29 | ||
30 | osd_id = data_lv.tags['ceph.osd_id'] | |
31 | configuration.load_ceph_conf_path(data_lv.tags['ceph.cluster_name']) | |
91327a77 | 32 | configuration.load() |
d2e6a577 | 33 | # it may have a volume with a journal |
f6b5b4d7 TL |
34 | for osd_lv in osd_lvs: |
35 | if osd_lv.tags.get('ceph.type') == 'journal': | |
36 | osd_journal_lv = osd_lv | |
37 | break | |
38 | else: | |
39 | osd_journal_lv = None | |
40 | ||
d2e6a577 FG |
41 | # TODO: add sensible error reporting if this is ever the case |
42 | # blow up with a KeyError if this doesn't exist | |
f6b5b4d7 | 43 | osd_fsid = data_lv.tags['ceph.osd_fsid'] |
d2e6a577 | 44 | if not osd_journal_lv: |
11fdf7f2 | 45 | # must be a disk partition, by querying blkid by the uuid we are ensuring that the |
181888fb | 46 | # device path is always correct |
f6b5b4d7 | 47 | journal_uuid = data_lv.tags['ceph.journal_uuid'] |
b32b8144 | 48 | osd_journal = disk.get_device_from_partuuid(journal_uuid) |
d2e6a577 | 49 | else: |
b32b8144 | 50 | journal_uuid = osd_journal_lv.lv_uuid |
f6b5b4d7 | 51 | osd_journal = data_lv.tags['ceph.journal_device'] |
d2e6a577 FG |
52 | |
53 | if not osd_journal: | |
54 | raise RuntimeError('unable to detect an lv or device journal for OSD %s' % osd_id) | |
55 | ||
b32b8144 FG |
56 | # this is done here, so that previous checks that ensure path availability |
57 | # and correctness can still be enforced, and report if any issues are found | |
58 | if is_encrypted: | |
f6b5b4d7 | 59 | lockbox_secret = data_lv.tags['ceph.cephx_lockbox_secret'] |
b32b8144 FG |
60 | # this keyring writing is idempotent |
61 | encryption_utils.write_lockbox_keyring(osd_id, osd_fsid, lockbox_secret) | |
62 | dmcrypt_secret = encryption_utils.get_dmcrypt_key(osd_id, osd_fsid) | |
f6b5b4d7 | 63 | encryption_utils.luks_open(dmcrypt_secret, data_lv.lv_path, data_lv.lv_uuid) |
b32b8144 FG |
64 | encryption_utils.luks_open(dmcrypt_secret, osd_journal, journal_uuid) |
65 | ||
66 | osd_journal = '/dev/mapper/%s' % journal_uuid | |
f6b5b4d7 | 67 | source = '/dev/mapper/%s' % data_lv.lv_uuid |
b32b8144 | 68 | else: |
f6b5b4d7 | 69 | source = data_lv.lv_path |
94b18763 | 70 | |
d2e6a577 | 71 | # mount the osd |
d2e6a577 | 72 | destination = '/var/lib/ceph/osd/%s-%s' % (conf.cluster, osd_id) |
3efd9988 | 73 | if not system.device_is_mounted(source, destination=destination): |
94b18763 | 74 | prepare_utils.mount_osd(source, osd_id, is_vdo=is_vdo) |
d2e6a577 | 75 | |
f64942e4 AA |
76 | # ensure that the OSD destination is always chowned properly |
77 | system.chown(destination) | |
78 | ||
181888fb FG |
79 | # always re-do the symlink regardless if it exists, so that the journal |
80 | # device path that may have changed can be mapped correctly every time | |
81 | destination = '/var/lib/ceph/osd/%s-%s/journal' % (conf.cluster, osd_id) | |
b32b8144 | 82 | process.run(['ln', '-snf', osd_journal, destination]) |
d2e6a577 FG |
83 | |
84 | # make sure that the journal has proper permissions | |
85 | system.chown(osd_journal) | |
86 | ||
94b18763 FG |
87 | if no_systemd is False: |
88 | # enable the ceph-volume unit for this OSD | |
89 | systemctl.enable_volume(osd_id, osd_fsid, 'lvm') | |
d2e6a577 | 90 | |
1adf2230 AA |
91 | # enable the OSD |
92 | systemctl.enable_osd(osd_id) | |
93 | ||
94b18763 FG |
94 | # start the OSD |
95 | systemctl.start_osd(osd_id) | |
b32b8144 | 96 | terminal.success("ceph-volume lvm activate successful for osd ID: %s" % osd_id) |
d2e6a577 FG |
97 | |
98 | ||
f6b5b4d7 | 99 | def get_osd_device_path(osd_lvs, device_type, dmcrypt_secret=None): |
3efd9988 | 100 | """ |
f6b5b4d7 TL |
101 | ``device_type`` can be one of ``db``, ``wal`` or ``block`` so that we can |
102 | query LVs on system and fallback to querying the uuid if that is not | |
103 | present. | |
3efd9988 | 104 | |
f6b5b4d7 TL |
105 | Return a path if possible, failing to do that a ``None``, since some of |
106 | these devices are optional. | |
3efd9988 | 107 | """ |
f6b5b4d7 TL |
108 | osd_block_lv = None |
109 | for lv in osd_lvs: | |
110 | if lv.tags.get('ceph.type') == 'block': | |
111 | osd_block_lv = lv | |
112 | break | |
113 | if osd_block_lv: | |
114 | is_encrypted = osd_block_lv.tags.get('ceph.encrypted', '0') == '1' | |
115 | logger.debug('Found block device (%s) with encryption: %s', osd_block_lv.name, is_encrypted) | |
116 | uuid_tag = 'ceph.%s_uuid' % device_type | |
117 | device_uuid = osd_block_lv.tags.get(uuid_tag) | |
118 | if not device_uuid: | |
119 | return None | |
120 | ||
121 | device_lv = None | |
122 | for lv in osd_lvs: | |
123 | if lv.tags.get('ceph.type') == device_type: | |
124 | device_lv = lv | |
125 | break | |
3efd9988 | 126 | if device_lv: |
b32b8144 FG |
127 | if is_encrypted: |
128 | encryption_utils.luks_open(dmcrypt_secret, device_lv.lv_path, device_uuid) | |
129 | return '/dev/mapper/%s' % device_uuid | |
3efd9988 | 130 | return device_lv.lv_path |
494da23a TL |
131 | |
132 | # this could be a regular device, so query it with blkid | |
133 | physical_device = disk.get_device_from_partuuid(device_uuid) | |
134 | if physical_device: | |
135 | if is_encrypted: | |
b32b8144 FG |
136 | encryption_utils.luks_open(dmcrypt_secret, physical_device, device_uuid) |
137 | return '/dev/mapper/%s' % device_uuid | |
494da23a TL |
138 | return physical_device |
139 | ||
140 | raise RuntimeError('could not find %s with uuid %s' % (device_type, device_uuid)) | |
3efd9988 FG |
141 | |
142 | ||
f6b5b4d7 TL |
143 | def activate_bluestore(osd_lvs, no_systemd=False): |
144 | for lv in osd_lvs: | |
145 | if lv.tags.get('ceph.type') == 'block': | |
146 | osd_block_lv = lv | |
147 | break | |
148 | else: | |
94b18763 | 149 | raise RuntimeError('could not find a bluestore OSD to activate') |
f6b5b4d7 TL |
150 | |
151 | is_encrypted = osd_block_lv.tags.get('ceph.encrypted', '0') == '1' | |
b32b8144 | 152 | dmcrypt_secret = None |
f6b5b4d7 TL |
153 | osd_id = osd_block_lv.tags['ceph.osd_id'] |
154 | conf.cluster = osd_block_lv.tags['ceph.cluster_name'] | |
155 | osd_fsid = osd_block_lv.tags['ceph.osd_fsid'] | |
3efd9988 FG |
156 | |
157 | # mount on tmpfs the osd directory | |
158 | osd_path = '/var/lib/ceph/osd/%s-%s' % (conf.cluster, osd_id) | |
159 | if not system.path_is_mounted(osd_path): | |
160 | # mkdir -p and mount as tmpfs | |
161 | prepare_utils.create_osd_path(osd_id, tmpfs=True) | |
162 | # XXX This needs to be removed once ceph-bluestore-tool can deal with | |
163 | # symlinks that exist in the osd dir | |
164 | for link_name in ['block', 'block.db', 'block.wal']: | |
165 | link_path = os.path.join(osd_path, link_name) | |
166 | if os.path.exists(link_path): | |
167 | os.unlink(os.path.join(osd_path, link_name)) | |
b32b8144 FG |
168 | # encryption is handled here, before priming the OSD dir |
169 | if is_encrypted: | |
f6b5b4d7 TL |
170 | osd_lv_path = '/dev/mapper/%s' % osd_block_lv.lv_uuid |
171 | lockbox_secret = osd_block_lv.tags['ceph.cephx_lockbox_secret'] | |
b32b8144 FG |
172 | encryption_utils.write_lockbox_keyring(osd_id, osd_fsid, lockbox_secret) |
173 | dmcrypt_secret = encryption_utils.get_dmcrypt_key(osd_id, osd_fsid) | |
f6b5b4d7 | 174 | encryption_utils.luks_open(dmcrypt_secret, osd_block_lv.lv_path, osd_block_lv.lv_uuid) |
b32b8144 | 175 | else: |
f6b5b4d7 | 176 | osd_lv_path = osd_block_lv.lv_path |
b32b8144 | 177 | |
f6b5b4d7 TL |
178 | db_device_path = get_osd_device_path(osd_lvs, 'db', dmcrypt_secret=dmcrypt_secret) |
179 | wal_device_path = get_osd_device_path(osd_lvs, 'wal', dmcrypt_secret=dmcrypt_secret) | |
b32b8144 | 180 | |
f64942e4 AA |
181 | # Once symlinks are removed, the osd dir can be 'primed again. chown first, |
182 | # regardless of what currently exists so that ``prime-osd-dir`` can succeed | |
183 | # even if permissions are somehow messed up | |
184 | system.chown(osd_path) | |
1adf2230 | 185 | prime_command = [ |
b32b8144 FG |
186 | 'ceph-bluestore-tool', '--cluster=%s' % conf.cluster, |
187 | 'prime-osd-dir', '--dev', osd_lv_path, | |
1adf2230 AA |
188 | '--path', osd_path] |
189 | ||
190 | if __release__ != "luminous": | |
191 | # mon-config changes are not available in Luminous | |
192 | prime_command.append('--no-mon-config') | |
193 | ||
194 | process.run(prime_command) | |
3efd9988 FG |
195 | # always re-do the symlink regardless if it exists, so that the block, |
196 | # block.wal, and block.db devices that may have changed can be mapped | |
197 | # correctly every time | |
b32b8144 | 198 | process.run(['ln', '-snf', osd_lv_path, os.path.join(osd_path, 'block')]) |
3efd9988 FG |
199 | system.chown(os.path.join(osd_path, 'block')) |
200 | system.chown(osd_path) | |
201 | if db_device_path: | |
202 | destination = os.path.join(osd_path, 'block.db') | |
b32b8144 | 203 | process.run(['ln', '-snf', db_device_path, destination]) |
3efd9988 | 204 | system.chown(db_device_path) |
28e407b8 | 205 | system.chown(destination) |
3efd9988 FG |
206 | if wal_device_path: |
207 | destination = os.path.join(osd_path, 'block.wal') | |
b32b8144 | 208 | process.run(['ln', '-snf', wal_device_path, destination]) |
3efd9988 | 209 | system.chown(wal_device_path) |
28e407b8 | 210 | system.chown(destination) |
3efd9988 | 211 | |
94b18763 FG |
212 | if no_systemd is False: |
213 | # enable the ceph-volume unit for this OSD | |
214 | systemctl.enable_volume(osd_id, osd_fsid, 'lvm') | |
3efd9988 | 215 | |
1adf2230 AA |
216 | # enable the OSD |
217 | systemctl.enable_osd(osd_id) | |
218 | ||
94b18763 FG |
219 | # start the OSD |
220 | systemctl.start_osd(osd_id) | |
b32b8144 | 221 | terminal.success("ceph-volume lvm activate successful for osd ID: %s" % osd_id) |
d2e6a577 FG |
222 | |
223 | ||
224 | class Activate(object): | |
225 | ||
226 | help = 'Discover and mount the LVM device associated with an OSD ID and start the Ceph OSD' | |
227 | ||
228 | def __init__(self, argv): | |
229 | self.argv = argv | |
230 | ||
231 | @decorators.needs_root | |
94b18763 FG |
232 | def activate_all(self, args): |
233 | listed_osds = direct_report() | |
234 | osds = {} | |
235 | for osd_id, devices in listed_osds.items(): | |
236 | # the metadata for all devices in each OSD will contain | |
237 | # the FSID which is required for activation | |
238 | for device in devices: | |
239 | fsid = device.get('tags', {}).get('ceph.osd_fsid') | |
240 | if fsid: | |
241 | osds[fsid] = osd_id | |
242 | break | |
243 | if not osds: | |
244 | terminal.warning('Was unable to find any OSDs to activate') | |
245 | terminal.warning('Verify OSDs are present with "ceph-volume lvm list"') | |
246 | return | |
247 | for osd_fsid, osd_id in osds.items(): | |
248 | if systemctl.osd_is_active(osd_id): | |
249 | terminal.warning( | |
250 | 'OSD ID %s FSID %s process is active. Skipping activation' % (osd_id, osd_fsid) | |
251 | ) | |
252 | else: | |
253 | terminal.info('Activating OSD ID %s FSID %s' % (osd_id, osd_fsid)) | |
254 | self.activate(args, osd_id=osd_id, osd_fsid=osd_fsid) | |
255 | ||
256 | @decorators.needs_root | |
257 | def activate(self, args, osd_id=None, osd_fsid=None): | |
258 | """ | |
259 | :param args: The parsed arguments coming from the CLI | |
f6b5b4d7 TL |
260 | :param osd_id: When activating all, this gets populated with an |
261 | existing OSD ID | |
262 | :param osd_fsid: When activating all, this gets populated with an | |
263 | existing OSD FSID | |
94b18763 | 264 | """ |
f6b5b4d7 TL |
265 | osd_id = osd_id if osd_id else args.osd_id |
266 | osd_fsid = osd_fsid if osd_fsid else args.osd_fsid | |
94b18763 | 267 | |
94b18763 | 268 | if osd_id and osd_fsid: |
f6b5b4d7 TL |
269 | tags = {'ceph.osd_id': osd_id, 'ceph.osd_fsid': osd_fsid} |
270 | elif not osd_id and osd_fsid: | |
271 | tags = {'ceph.osd_fsid': osd_fsid} | |
272 | lvs = api.get_lvs(tags=tags) | |
d2e6a577 | 273 | if not lvs: |
f6b5b4d7 TL |
274 | raise RuntimeError('could not find osd.%s with osd_fsid %s' % |
275 | (osd_id, osd_fsid)) | |
276 | ||
3efd9988 FG |
277 | # This argument is only available when passed in directly or via |
278 | # systemd, not when ``create`` is being used | |
279 | if getattr(args, 'auto_detect_objectstore', False): | |
280 | logger.info('auto detecting objectstore') | |
f6b5b4d7 | 281 | # may get multiple lvs, so can't do get_the_lvs() calls here |
3efd9988 FG |
282 | for lv in lvs: |
283 | has_journal = lv.tags.get('ceph.journal_uuid') | |
284 | if has_journal: | |
f6b5b4d7 TL |
285 | logger.info('found a journal associated with the OSD, ' |
286 | 'assuming filestore') | |
287 | return activate_filestore(lvs, args.no_systemd) | |
288 | ||
289 | logger.info('unable to find a journal associated with the OSD, ' | |
290 | 'assuming bluestore') | |
291 | ||
292 | return activate_bluestore(lvs, args.no_systemd) | |
3efd9988 | 293 | if args.bluestore: |
f6b5b4d7 | 294 | activate_bluestore(lvs, args.no_systemd) |
3efd9988 | 295 | elif args.filestore: |
f6b5b4d7 | 296 | activate_filestore(lvs, args.no_systemd) |
d2e6a577 FG |
297 | |
298 | def main(self): | |
299 | sub_command_help = dedent(""" | |
300 | Activate OSDs by discovering them with LVM and mounting them in their | |
301 | appropriate destination: | |
302 | ||
303 | ceph-volume lvm activate {ID} {FSID} | |
304 | ||
305 | The lvs associated with the OSD need to have been prepared previously, | |
306 | so that all needed tags and metadata exist. | |
307 | ||
94b18763 FG |
308 | When migrating OSDs, or a multiple-osd activation is needed, the |
309 | ``--all`` flag can be used instead of the individual ID and FSID: | |
310 | ||
311 | ceph-volume lvm activate --all | |
312 | ||
d2e6a577 FG |
313 | """) |
314 | parser = argparse.ArgumentParser( | |
315 | prog='ceph-volume lvm activate', | |
316 | formatter_class=argparse.RawDescriptionHelpFormatter, | |
317 | description=sub_command_help, | |
318 | ) | |
319 | ||
320 | parser.add_argument( | |
321 | 'osd_id', | |
322 | metavar='ID', | |
323 | nargs='?', | |
324 | help='The ID of the OSD, usually an integer, like 0' | |
325 | ) | |
326 | parser.add_argument( | |
327 | 'osd_fsid', | |
328 | metavar='FSID', | |
329 | nargs='?', | |
330 | help='The FSID of the OSD, similar to a SHA1' | |
331 | ) | |
3efd9988 FG |
332 | parser.add_argument( |
333 | '--auto-detect-objectstore', | |
334 | action='store_true', | |
335 | help='Autodetect the objectstore by inspecting the OSD', | |
336 | ) | |
d2e6a577 FG |
337 | parser.add_argument( |
338 | '--bluestore', | |
3efd9988 | 339 | action='store_true', |
94b18763 | 340 | help='bluestore objectstore (default)', |
d2e6a577 FG |
341 | ) |
342 | parser.add_argument( | |
343 | '--filestore', | |
3efd9988 | 344 | action='store_true', |
94b18763 FG |
345 | help='filestore objectstore', |
346 | ) | |
347 | parser.add_argument( | |
348 | '--all', | |
349 | dest='activate_all', | |
350 | action='store_true', | |
351 | help='Activate all OSDs found in the system', | |
352 | ) | |
353 | parser.add_argument( | |
354 | '--no-systemd', | |
355 | dest='no_systemd', | |
356 | action='store_true', | |
357 | help='Skip creating and enabling systemd units and starting OSD services', | |
d2e6a577 FG |
358 | ) |
359 | if len(self.argv) == 0: | |
360 | print(sub_command_help) | |
361 | return | |
362 | args = parser.parse_args(self.argv) | |
3efd9988 FG |
363 | # Default to bluestore here since defaulting it in add_argument may |
364 | # cause both to be True | |
365 | if not args.bluestore and not args.filestore: | |
366 | args.bluestore = True | |
94b18763 FG |
367 | if args.activate_all: |
368 | self.activate_all(args) | |
369 | else: | |
370 | self.activate(args) |