def make_new_volume(self, osd_id, osd_fsid, devices, target_lv):
osd_path = get_osd_path(osd_id, osd_fsid)
mlogger.info(
'Making new volume at {} for OSD: {} ({})'.format(
target_lv.lv_path, osd_id, osd_path))
tag_tracker = VolumeTagTracker(devices, target_lv)
try:
tag_tracker.update_tags_when_lv_create(self.create_type)
stdout, stderr, exit_code = process.call([
'ceph-bluestore-tool',
'--path',
osd_path,
'--dev-target',
target_lv.lv_path,
'--command',
'bluefs-bdev-new-{}'.format(self.create_type)
])
if exit_code != 0:
mlogger.error(
'failed to attach new volume, error code:{}'.format(
exit_code))
raise SystemExit(
"Failed to attach new volume: {}".format(
self.args.target))
else:
system.chown(os.path.join(osd_path, "block.{}".format(
self.create_type)))
terminal.success('New volume attached.')
except:
tag_tracker.undo()
raise
return
def osd_mkfs_filestore(osd_id, fsid):
"""
Create the files for the OSD to function. A normal call will look like:
ceph-osd --cluster ceph --mkfs --mkkey -i 0 \
--monmap /var/lib/ceph/osd/ceph-0/activate.monmap \
--osd-data /var/lib/ceph/osd/ceph-0 \
--osd-journal /var/lib/ceph/osd/ceph-0/journal \
--osd-uuid 8d208665-89ae-4733-8888-5d3bfbeeec6c \
--keyring /var/lib/ceph/osd/ceph-0/keyring \
--setuser ceph --setgroup ceph
"""
path = '/var/lib/ceph/osd/%s-%s/' % (conf.cluster, osd_id)
monmap = os.path.join(path, 'activate.monmap')
journal = os.path.join(path, 'journal')
system.chown(journal)
system.chown(path)
process.run([
'ceph-osd',
'--cluster', conf.cluster,
# undocumented flag, sets the `type` file to contain 'filestore'
'--osd-objectstore', 'filestore',
'--mkfs',
'-i', osd_id,
'--monmap', monmap,
'--osd-data', path,
'--osd-journal', journal,
'--osd-uuid', fsid,
'--setuser', 'ceph',
'--setgroup', 'ceph'
])
def activate_filestore(lvs):
# find the osd
osd_lv = lvs.get(lv_tags={'ceph.type': 'data'})
if not osd_lv:
raise RuntimeError('Unable to find a data LV for filestore activation')
is_encrypted = osd_lv.tags.get('ceph.encrypted', '0') == '1'
osd_id = osd_lv.tags['ceph.osd_id']
conf.cluster = osd_lv.tags['ceph.cluster_name']
# it may have a volume with a journal
osd_journal_lv = lvs.get(lv_tags={'ceph.type': 'journal'})
# TODO: add sensible error reporting if this is ever the case
# blow up with a KeyError if this doesn't exist
osd_fsid = osd_lv.tags['ceph.osd_fsid']
if not osd_journal_lv:
# must be a disk partition, by quering blkid by the uuid we are ensuring that the
# device path is always correct
journal_uuid = osd_lv.tags['ceph.journal_uuid']
osd_journal = disk.get_device_from_partuuid(journal_uuid)
else:
journal_uuid = osd_journal_lv.lv_uuid
osd_journal = osd_lv.tags['ceph.journal_device']
if not osd_journal:
raise RuntimeError('unable to detect an lv or device journal for OSD %s' % osd_id)
# this is done here, so that previous checks that ensure path availability
# and correctness can still be enforced, and report if any issues are found
if is_encrypted:
lockbox_secret = osd_lv.tags['ceph.cephx_lockbox_secret']
# this keyring writing is idempotent
encryption_utils.write_lockbox_keyring(osd_id, osd_fsid, lockbox_secret)
dmcrypt_secret = encryption_utils.get_dmcrypt_key(osd_id, osd_fsid)
encryption_utils.luks_open(dmcrypt_secret, osd_lv.lv_path, osd_lv.lv_uuid)
encryption_utils.luks_open(dmcrypt_secret, osd_journal, journal_uuid)
osd_journal = '/dev/mapper/%s' % journal_uuid
source = '/dev/mapper/%s' % osd_lv.lv_uuid
else:
source = osd_lv.lv_path
# mount the osd
destination = '/var/lib/ceph/osd/%s-%s' % (conf.cluster, osd_id)
if not system.device_is_mounted(source, destination=destination):
process.run(['mount', '-v', source, destination])
# always re-do the symlink regardless if it exists, so that the journal
# device path that may have changed can be mapped correctly every time
destination = '/var/lib/ceph/osd/%s-%s/journal' % (conf.cluster, osd_id)
process.run(['ln', '-snf', osd_journal, destination])
# make sure that the journal has proper permissions
system.chown(osd_journal)
# enable the ceph-volume unit for this OSD
systemctl.enable_volume(osd_id, osd_fsid, 'lvm')
# start the OSD
systemctl.start_osd(osd_id)
terminal.success("ceph-volume lvm activate successful for osd ID: %s" % osd_id)
def activate_filestore(lvs):
# find the osd
osd_lv = lvs.get(lv_tags={'ceph.type': 'data'})
if not osd_lv:
raise RuntimeError('Unable to find a data LV for filestore activation')
is_encrypted = osd_lv.tags.get('ceph.encrypted', '0') == '1'
osd_id = osd_lv.tags['ceph.osd_id']
conf.cluster = osd_lv.tags['ceph.cluster_name']
# it may have a volume with a journal
osd_journal_lv = lvs.get(lv_tags={'ceph.type': 'journal'})
# TODO: add sensible error reporting if this is ever the case
# blow up with a KeyError if this doesn't exist
osd_fsid = osd_lv.tags['ceph.osd_fsid']
if not osd_journal_lv:
# must be a disk partition, by quering blkid by the uuid we are ensuring that the
# device path is always correct
journal_uuid = osd_lv.tags['ceph.journal_uuid']
osd_journal = disk.get_device_from_partuuid(journal_uuid)
else:
journal_uuid = osd_journal_lv.lv_uuid
osd_journal = osd_lv.tags['ceph.journal_device']
if not osd_journal:
raise RuntimeError('unable to detect an lv or device journal for OSD %s' % osd_id)
# this is done here, so that previous checks that ensure path availability
# and correctness can still be enforced, and report if any issues are found
if is_encrypted:
lockbox_secret = osd_lv.tags['ceph.cephx_lockbox_secret']
# this keyring writing is idempotent
encryption_utils.write_lockbox_keyring(osd_id, osd_fsid, lockbox_secret)
dmcrypt_secret = encryption_utils.get_dmcrypt_key(osd_id, osd_fsid)
encryption_utils.luks_open(dmcrypt_secret, osd_lv.lv_path, osd_lv.lv_uuid)
encryption_utils.luks_open(dmcrypt_secret, osd_journal, journal_uuid)
osd_journal = '/dev/mapper/%s' % journal_uuid
source = '/dev/mapper/%s' % osd_lv.lv_uuid
else:
source = osd_lv.lv_path
# mount the osd
destination = '/var/lib/ceph/osd/%s-%s' % (conf.cluster, osd_id)
if not system.device_is_mounted(source, destination=destination):
process.run(['mount', '-v', source, destination])
# always re-do the symlink regardless if it exists, so that the journal
# device path that may have changed can be mapped correctly every time
destination = '/var/lib/ceph/osd/%s-%s/journal' % (conf.cluster, osd_id)
process.run(['ln', '-snf', osd_journal, destination])
# make sure that the journal has proper permissions
system.chown(osd_journal)
# enable the ceph-volume unit for this OSD
systemctl.enable_volume(osd_id, osd_fsid, 'lvm')
# start the OSD
systemctl.start_osd(osd_id)
terminal.success("ceph-volume lvm activate successful for osd ID: %s" % osd_id)
def write_keyring(osd_id, secret):
# FIXME this only works for cephx, but there will be other types of secrets
# later
osd_keyring = '/var/lib/ceph/osd/%s-%s/keyring' % (conf.cluster, osd_id)
process.run([
'ceph-authtool', osd_keyring, '--create-keyring', '--name',
'osd.%s' % str(osd_id), '--add-key', secret
])
system.chown(osd_keyring)
def write_keyring(osd_id, secret):
# FIXME this only works for cephx, but there will be other types of secrets
# later
osd_keyring = '/var/lib/ceph/osd/%s-%s/keyring' % (conf.cluster, osd_id)
process.run(
[
'ceph-authtool', osd_keyring,
'--create-keyring',
'--name', 'osd.%s' % str(osd_id),
'--add-key', secret
])
system.chown(osd_keyring)
def _link_device(device, device_type, osd_id):
"""
Allow linking any device type in an OSD directory. ``device`` must the be
source, with an absolute path and ``device_type`` will be the destination
name, like 'journal', or 'block'
"""
device_path = '/var/lib/ceph/osd/%s-%s/%s' % (conf.cluster, osd_id,
device_type)
command = ['ln', '-s', device, device_path]
system.chown(device)
process.run(command)
def osd_mkfs_bluestore(osd_id, fsid, keyring=None, wal=False, db=False):
"""
Create the files for the OSD to function. A normal call will look like:
ceph-osd --cluster ceph --mkfs --mkkey -i 0 \
--monmap /var/lib/ceph/osd/ceph-0/activate.monmap \
--osd-data /var/lib/ceph/osd/ceph-0 \
--osd-uuid 8d208665-89ae-4733-8888-5d3bfbeeec6c \
--keyring /var/lib/ceph/osd/ceph-0/keyring \
--setuser ceph --setgroup ceph
In some cases it is required to use the keyring, when it is passed in as
a keywork argument it is used as part of the ceph-osd command
"""
path = '/var/lib/ceph/osd/%s-%s/' % (conf.cluster, osd_id)
monmap = os.path.join(path, 'activate.monmap')
wal_path = os.path.join(path, 'block.wal')
db_path = os.path.join(path, 'block.db')
system.chown(path)
base_command = [
'sudo',
'ceph-osd',
'--cluster',
conf.cluster,
# undocumented flag, sets the `type` file to contain 'bluestore'
'--osd-objectstore',
'bluestore',
'--mkfs',
'-i',
osd_id,
'--monmap',
monmap,
]
supplementary_command = [
'--osd-data', path, '--osd-uuid', fsid, '--setuser', 'ceph',
'--setgroup', 'ceph'
]
if keyring is not None:
base_command.extend(['--key', keyring])
if wal:
base_command.extend(['--bluestore-block-wal-path', wal_path])
if db:
base_command.extend(['--bluestore-block-db-path', db_path])
command = base_command + supplementary_command
process.run(command, obfuscate='--key')
def osd_mkfs_filestore(osd_id, fsid, keyring):
"""
Create the files for the OSD to function. A normal call will look like:
ceph-osd --cluster ceph --mkfs --mkkey -i 0 \
--monmap /var/lib/ceph/osd/ceph-0/activate.monmap \
--osd-data /var/lib/ceph/osd/ceph-0 \
--osd-journal /var/lib/ceph/osd/ceph-0/journal \
--osd-uuid 8d208665-89ae-4733-8888-5d3bfbeeec6c \
--keyring /var/lib/ceph/osd/ceph-0/keyring \
--setuser ceph --setgroup ceph
"""
path = '/var/lib/ceph/osd/%s-%s/' % (conf.cluster, osd_id)
monmap = os.path.join(path, 'activate.monmap')
journal = os.path.join(path, 'journal')
system.chown(journal)
system.chown(path)
command = [
'ceph-osd',
'--cluster',
conf.cluster,
'--osd-objectstore',
'filestore',
'--mkfs',
'-i',
osd_id,
'--monmap',
monmap,
]
if get_osdspec_affinity():
command.extend(['--osdspec-affinity', get_osdspec_affinity()])
if __release__ != 'luminous':
# goes through stdin
command.extend(['--keyfile', '-'])
command.extend([
'--osd-data', path, '--osd-journal', journal, '--osd-uuid', fsid,
'--setuser', 'ceph', '--setgroup', 'ceph'
])
_, _, returncode = process.call(command,
stdin=keyring,
terminal_verbose=True,
show_command=True)
if returncode != 0:
raise RuntimeError('Command failed with exit code %s: %s' %
(returncode, ' '.join(command)))
def activate_bluestore(lvs):
# find the osd
osd_lv = lvs.get(lv_tags={'ceph.type': 'block'})
is_encrypted = osd_lv.tags.get('ceph.encrypted', '0') == '1'
dmcrypt_secret = None
osd_id = osd_lv.tags['ceph.osd_id']
conf.cluster = osd_lv.tags['ceph.cluster_name']
osd_fsid = osd_lv.tags['ceph.osd_fsid']
# mount on tmpfs the osd directory
osd_path = '/var/lib/ceph/osd/%s-%s' % (conf.cluster, osd_id)
if not system.path_is_mounted(osd_path):
# mkdir -p and mount as tmpfs
prepare_utils.create_osd_path(osd_id, tmpfs=True)
# XXX This needs to be removed once ceph-bluestore-tool can deal with
# symlinks that exist in the osd dir
for link_name in ['block', 'block.db', 'block.wal']:
link_path = os.path.join(osd_path, link_name)
if os.path.exists(link_path):
os.unlink(os.path.join(osd_path, link_name))
# encryption is handled here, before priming the OSD dir
if is_encrypted:
osd_lv_path = '/dev/mapper/%s' % osd_lv.lv_uuid
lockbox_secret = osd_lv.tags['ceph.cephx_lockbox_secret']
encryption_utils.write_lockbox_keyring(osd_id, osd_fsid, lockbox_secret)
dmcrypt_secret = encryption_utils.get_dmcrypt_key(osd_id, osd_fsid)
encryption_utils.luks_open(dmcrypt_secret, osd_lv.lv_path, osd_lv.lv_uuid)
else:
osd_lv_path = osd_lv.lv_path
db_device_path = get_osd_device_path(osd_lv, lvs, 'db', dmcrypt_secret=dmcrypt_secret)
wal_device_path = get_osd_device_path(osd_lv, lvs, 'wal', dmcrypt_secret=dmcrypt_secret)
# Once symlinks are removed, the osd dir can be 'primed again.
process.run([
'ceph-bluestore-tool', '--cluster=%s' % conf.cluster,
'prime-osd-dir', '--dev', osd_lv_path,
'--path', osd_path])
# always re-do the symlink regardless if it exists, so that the block,
# block.wal, and block.db devices that may have changed can be mapped
# correctly every time
process.run(['ln', '-snf', osd_lv_path, os.path.join(osd_path, 'block')])
system.chown(os.path.join(osd_path, 'block'))
system.chown(osd_path)
if db_device_path:
destination = os.path.join(osd_path, 'block.db')
process.run(['ln', '-snf', db_device_path, destination])
system.chown(db_device_path)
if wal_device_path:
destination = os.path.join(osd_path, 'block.wal')
process.run(['ln', '-snf', wal_device_path, destination])
system.chown(wal_device_path)
# enable the ceph-volume unit for this OSD
systemctl.enable_volume(osd_id, osd_fsid, 'lvm')
# start the OSD
systemctl.start_osd(osd_id)
terminal.success("ceph-volume lvm activate successful for osd ID: %s" % osd_id)
def activate_bluestore(lvs):
# find the osd
osd_lv = lvs.get(lv_tags={'ceph.type': 'block'})
is_encrypted = osd_lv.tags.get('ceph.encrypted', '0') == '1'
dmcrypt_secret = None
osd_id = osd_lv.tags['ceph.osd_id']
conf.cluster = osd_lv.tags['ceph.cluster_name']
osd_fsid = osd_lv.tags['ceph.osd_fsid']
# mount on tmpfs the osd directory
osd_path = '/var/lib/ceph/osd/%s-%s' % (conf.cluster, osd_id)
if not system.path_is_mounted(osd_path):
# mkdir -p and mount as tmpfs
prepare_utils.create_osd_path(osd_id, tmpfs=True)
# XXX This needs to be removed once ceph-bluestore-tool can deal with
# symlinks that exist in the osd dir
for link_name in ['block', 'block.db', 'block.wal']:
link_path = os.path.join(osd_path, link_name)
if os.path.exists(link_path):
os.unlink(os.path.join(osd_path, link_name))
# encryption is handled here, before priming the OSD dir
if is_encrypted:
osd_lv_path = '/dev/mapper/%s' % osd_lv.lv_uuid
lockbox_secret = osd_lv.tags['ceph.cephx_lockbox_secret']
encryption_utils.write_lockbox_keyring(osd_id, osd_fsid, lockbox_secret)
dmcrypt_secret = encryption_utils.get_dmcrypt_key(osd_id, osd_fsid)
encryption_utils.luks_open(dmcrypt_secret, osd_lv.lv_path, osd_lv.lv_uuid)
else:
osd_lv_path = osd_lv.lv_path
db_device_path = get_osd_device_path(osd_lv, lvs, 'db', dmcrypt_secret=dmcrypt_secret)
wal_device_path = get_osd_device_path(osd_lv, lvs, 'wal', dmcrypt_secret=dmcrypt_secret)
# Once symlinks are removed, the osd dir can be 'primed again.
process.run([
'ceph-bluestore-tool', '--cluster=%s' % conf.cluster,
'prime-osd-dir', '--dev', osd_lv_path,
'--path', osd_path])
# always re-do the symlink regardless if it exists, so that the block,
# block.wal, and block.db devices that may have changed can be mapped
# correctly every time
process.run(['ln', '-snf', osd_lv_path, os.path.join(osd_path, 'block')])
system.chown(os.path.join(osd_path, 'block'))
system.chown(osd_path)
if db_device_path:
destination = os.path.join(osd_path, 'block.db')
process.run(['ln', '-snf', db_device_path, destination])
system.chown(db_device_path)
if wal_device_path:
destination = os.path.join(osd_path, 'block.wal')
process.run(['ln', '-snf', wal_device_path, destination])
system.chown(wal_device_path)
# enable the ceph-volume unit for this OSD
systemctl.enable_volume(osd_id, osd_fsid, 'lvm')
# start the OSD
systemctl.start_osd(osd_id)
terminal.success("ceph-volume lvm activate successful for osd ID: %s" % osd_id)
def _link_device(device, device_type, osd_id):
"""
Allow linking any device type in an OSD directory. ``device`` must the be
source, with an absolute path and ``device_type`` will be the destination
name, like 'journal', or 'block'
"""
device_path = '/var/lib/ceph/osd/%s-%s/%s' % (
conf.cluster,
osd_id,
device_type
)
command = ['ln', '-s', device, device_path]
system.chown(device)
process.run(command)
def migrate_to_new(self, osd_id, osd_fsid, devices, target_lv):
source_devices = self.get_source_devices(devices)
target_type = self.get_target_type_by_source(source_devices)
if not target_type:
mlogger.error(
"Unable to determine new volume type,"
" please use new-db or new-wal command before.")
raise SystemExit(
"Unable to migrate to : {}".format(self.args.target))
target_path = target_lv.lv_path
try:
tag_tracker = VolumeTagTracker(devices, target_lv)
# we need to update lvm tags for all the remaining volumes
# and clear for ones which to be removed
# ceph-bluestore-tool removes source volume(s) other than block one
# and attaches target one after successful migration
tag_tracker.replace_lvs(source_devices, target_type)
osd_path = get_osd_path(osd_id, osd_fsid)
source_args = self.get_source_args(osd_path, source_devices)
mlogger.info("Migrate to new, Source: {} Target: {}".format(
source_args, target_path))
stdout, stderr, exit_code = process.call([
'ceph-bluestore-tool',
'--path',
osd_path,
'--dev-target',
target_path,
'--command',
'bluefs-bdev-migrate'] +
source_args)
if exit_code != 0:
mlogger.error(
'Failed to migrate device, error code:{}'.format(exit_code))
raise SystemExit(
'Failed to migrate to : {}'.format(self.args.target))
else:
system.chown(os.path.join(osd_path, "block.{}".format(
target_type)))
terminal.success('Migration successful.')
except:
tag_tracker.undo()
raise
return
def activate_bluestore(meta, tmpfs, systemd):
# find the osd
osd_id = meta['osd_id']
osd_uuid = meta['osd_uuid']
# mount on tmpfs the osd directory
osd_path = '/var/lib/ceph/osd/%s-%s' % (conf.cluster, osd_id)
if not system.path_is_mounted(osd_path):
# mkdir -p and mount as tmpfs
prepare_utils.create_osd_path(osd_id, tmpfs=tmpfs)
# XXX This needs to be removed once ceph-bluestore-tool can deal with
# symlinks that exist in the osd dir
for link_name in ['block', 'block.db', 'block.wal']:
link_path = os.path.join(osd_path, link_name)
if os.path.exists(link_path):
os.unlink(os.path.join(osd_path, link_name))
# Once symlinks are removed, the osd dir can be 'primed again. chown first,
# regardless of what currently exists so that ``prime-osd-dir`` can succeed
# even if permissions are somehow messed up
system.chown(osd_path)
prime_command = [
'ceph-bluestore-tool',
'prime-osd-dir',
'--path',
osd_path,
'--no-mon-config',
'--dev',
meta['device'],
]
process.run(prime_command)
# always re-do the symlink regardless if it exists, so that the block,
# block.wal, and block.db devices that may have changed can be mapped
# correctly every time
prepare_utils.link_block(meta['device'], osd_id)
if 'device_db' in meta:
prepare_utils.link_db(meta['device_db'], osd_id, osd_uuid)
if 'device_wal' in meta:
prepare_utils.link_wal(meta['device_wal'], osd_id, osd_uuid)
system.chown(osd_path)
terminal.success("ceph-volume raw activate successful for osd ID: %s" %
osd_id)
def osd_mkfs_filestore(osd_id, fsid, keyring):
"""
Create the files for the OSD to function. A normal call will look like:
ceph-osd --cluster ceph --mkfs --mkkey -i 0 \
--monmap /var/lib/ceph/osd/ceph-0/activate.monmap \
--osd-data /var/lib/ceph/osd/ceph-0 \
--osd-journal /var/lib/ceph/osd/ceph-0/journal \
--osd-uuid 8d208665-89ae-4733-8888-5d3bfbeeec6c \
--keyring /var/lib/ceph/osd/ceph-0/keyring \
--setuser ceph --setgroup ceph
"""
path = '/var/lib/ceph/osd/%s-%s/' % (conf.cluster, osd_id)
monmap = os.path.join(path, 'activate.monmap')
journal = os.path.join(path, 'journal')
system.chown(journal)
system.chown(path)
command = [
'ceph-osd',
'--cluster', conf.cluster,
'--osd-objectstore', 'filestore',
'--mkfs',
'-i', osd_id,
'--monmap', monmap,
]
if __release__ != 'luminous':
# goes through stdin
command.extend(['--keyfile', '-'])
command.extend([
'--osd-data', path,
'--osd-journal', journal,
'--osd-uuid', fsid,
'--setuser', 'ceph',
'--setgroup', 'ceph'
])
_, _, returncode = process.call(
command, stdin=keyring, terminal_verbose=True, show_command=True
)
if returncode != 0:
raise RuntimeError('Command failed with exit code %s: %s' % (returncode, ' '.join(command)))
def activate_filestore(lvs):
# find the osd
osd_lv = lvs.get(lv_tags={'ceph.type': 'data'})
if not osd_lv:
raise RuntimeError('Unable to find a data LV for filestore activation')
osd_id = osd_lv.tags['ceph.osd_id']
conf.cluster = osd_lv.tags['ceph.cluster_name']
# it may have a volume with a journal
osd_journal_lv = lvs.get(lv_tags={'ceph.type': 'journal'})
# TODO: add sensible error reporting if this is ever the case
# blow up with a KeyError if this doesn't exist
osd_fsid = osd_lv.tags['ceph.osd_fsid']
if not osd_journal_lv:
# must be a disk partition, by quering blkid by the uuid we are ensuring that the
# device path is always correct
osd_journal = disk.get_device_from_partuuid(
osd_lv.tags['ceph.journal_uuid'])
else:
osd_journal = osd_lv.tags['ceph.journal_device']
if not osd_journal:
raise RuntimeError(
'unable to detect an lv or device journal for OSD %s' % osd_id)
# mount the osd
source = osd_lv.lv_path
destination = '/var/lib/ceph/osd/%s-%s' % (conf.cluster, osd_id)
if not system.device_is_mounted(source, destination=destination):
process.run(['mount', '-v', source, destination])
# always re-do the symlink regardless if it exists, so that the journal
# device path that may have changed can be mapped correctly every time
destination = '/var/lib/ceph/osd/%s-%s/journal' % (conf.cluster, osd_id)
process.run(['ln', '-snf', osd_journal, destination])
# make sure that the journal has proper permissions
system.chown(osd_journal)
# enable the ceph-volume unit for this OSD
systemctl.enable_volume(osd_id, osd_fsid, 'lvm')
# start the OSD
systemctl.start_osd(osd_id)
terminal.success("ceph-volume lvm activate successful for osd ID: %s" %
osd_id)
def activate_filestore(lvs):
# find the osd
osd_lv = lvs.get(lv_tags={'ceph.type': 'data'})
if not osd_lv:
raise RuntimeError('Unable to find a data LV for filestore activation')
osd_id = osd_lv.tags['ceph.osd_id']
conf.cluster = osd_lv.tags['ceph.cluster_name']
# it may have a volume with a journal
osd_journal_lv = lvs.get(lv_tags={'ceph.type': 'journal'})
# TODO: add sensible error reporting if this is ever the case
# blow up with a KeyError if this doesn't exist
osd_fsid = osd_lv.tags['ceph.osd_fsid']
if not osd_journal_lv:
# must be a disk partition, by quering blkid by the uuid we are ensuring that the
# device path is always correct
osd_journal = disk.get_device_from_partuuid(osd_lv.tags['ceph.journal_uuid'])
else:
osd_journal = osd_lv.tags['ceph.journal_device']
if not osd_journal:
raise RuntimeError('unable to detect an lv or device journal for OSD %s' % osd_id)
# mount the osd
source = osd_lv.lv_path
destination = '/var/lib/ceph/osd/%s-%s' % (conf.cluster, osd_id)
if not system.device_is_mounted(source, destination=destination):
process.run(['mount', '-v', source, destination])
# always re-do the symlink regardless if it exists, so that the journal
# device path that may have changed can be mapped correctly every time
destination = '/var/lib/ceph/osd/%s-%s/journal' % (conf.cluster, osd_id)
process.run(['ln', '-snf', osd_journal, destination])
# make sure that the journal has proper permissions
system.chown(osd_journal)
# enable the ceph-volume unit for this OSD
systemctl.enable_volume(osd_id, osd_fsid, 'lvm')
# start the OSD
systemctl.start_osd(osd_id)
terminal.success("ceph-volume lvm activate successful for osd ID: %s" % osd_id)
def write_keyring(osd_id, secret, keyring_name='keyring', name=None):
"""
Create a keyring file with the ``ceph-authtool`` utility. Constructs the
path over well-known conventions for the OSD, and allows any other custom
``name`` to be set.
:param osd_id: The ID for the OSD to be used
:param secret: The key to be added as (as a string)
:param name: Defaults to 'osd.{ID}' but can be used to add other client
names, specifically for 'lockbox' type of keys
:param keyring_name: Alternative keyring name, for supporting other
types of keys like for lockbox
"""
osd_keyring = '/var/lib/ceph/osd/%s-%s/%s' % (conf.cluster, osd_id,
keyring_name)
name = name or 'osd.%s' % str(osd_id)
process.run([
'ceph-authtool', osd_keyring, '--create-keyring', '--name', name,
'--add-key', secret
])
system.chown(osd_keyring)
def activate_filestore(lvs):
# find the osd
osd_lv = lvs.get(lv_tags={'ceph.type': 'data'})
osd_id = osd_lv.tags['ceph.osd_id']
# it may have a volume with a journal
osd_journal_lv = lvs.get(lv_tags={'ceph.type': 'journal'})
# TODO: add sensible error reporting if this is ever the case
# blow up with a KeyError if this doesn't exist
osd_fsid = osd_lv.tags['ceph.osd_fsid']
if not osd_journal_lv:
osd_journal = osd_lv.tags.get('ceph.journal_device')
else:
osd_journal = osd_journal.lv_path
if not osd_journal:
raise RuntimeError(
'unable to detect an lv or device journal for OSD %s' % osd_id)
# mount the osd
source = osd_lv.lv_path
destination = '/var/lib/ceph/osd/%s-%s' % (conf.cluster, osd_id)
if not system.is_mounted(source, destination=destination):
process.run(['sudo', 'mount', '-v', source, destination])
# ensure that the symlink for the journal is there
if not os.path.exists(osd_journal):
source = osd_journal
destination = '/var/lib/ceph/osd/%s-%s/journal' % (conf.cluster,
osd_id)
process.run(['sudo', 'ln', '-s', source, destination])
# make sure that the journal has proper permissions
system.chown(osd_journal)
# enable the ceph-volume unit for this OSD
systemctl.enable_volume(osd_id, osd_fsid, 'lvm')
# start the OSD
systemctl.start_osd(osd_id)
def activate_bluestore(lvs):
# find the osd
osd_lv = lvs.get(lv_tags={'ceph.type': 'block'})
osd_id = osd_lv.tags['ceph.osd_id']
conf.cluster = osd_lv.tags['ceph.cluster_name']
osd_fsid = osd_lv.tags['ceph.osd_fsid']
db_device_path = get_osd_device_path(osd_lv, lvs, 'db')
wal_device_path = get_osd_device_path(osd_lv, lvs, 'wal')
# mount on tmpfs the osd directory
osd_path = '/var/lib/ceph/osd/%s-%s' % (conf.cluster, osd_id)
if not system.path_is_mounted(osd_path):
# mkdir -p and mount as tmpfs
prepare_utils.create_osd_path(osd_id, tmpfs=True)
# XXX This needs to be removed once ceph-bluestore-tool can deal with
# symlinks that exist in the osd dir
for link_name in ['block', 'block.db', 'block.wal']:
link_path = os.path.join(osd_path, link_name)
if os.path.exists(link_path):
os.unlink(os.path.join(osd_path, link_name))
# Once symlinks are removed, the osd dir can be 'primed again.
process.run([
'ceph-bluestore-tool',
'--cluster=%s' % conf.cluster, 'prime-osd-dir', '--dev',
osd_lv.lv_path, '--path', osd_path
])
# always re-do the symlink regardless if it exists, so that the block,
# block.wal, and block.db devices that may have changed can be mapped
# correctly every time
process.run(
['ln', '-snf', osd_lv.lv_path,
os.path.join(osd_path, 'block')])
system.chown(os.path.join(osd_path, 'block'))
system.chown(osd_path)
if db_device_path:
destination = os.path.join(osd_path, 'block.db')
process.run(['ln', '-snf', db_device_path, destination])
system.chown(db_device_path)
if wal_device_path:
destination = os.path.join(osd_path, 'block.wal')
process.run(['ln', '-snf', wal_device_path, destination])
system.chown(wal_device_path)
# enable the ceph-volume unit for this OSD
systemctl.enable_volume(osd_id, osd_fsid, 'lvm')
# start the OSD
systemctl.start_osd(osd_id)
def write_keyring(osd_id, secret, keyring_name='keyring', name=None):
"""
Create a keyring file with the ``ceph-authtool`` utility. Constructs the
path over well-known conventions for the OSD, and allows any other custom
``name`` to be set.
:param osd_id: The ID for the OSD to be used
:param secret: The key to be added as (as a string)
:param name: Defaults to 'osd.{ID}' but can be used to add other client
names, specifically for 'lockbox' type of keys
:param keyring_name: Alternative keyring name, for supporting other
types of keys like for lockbox
"""
osd_keyring = '/var/lib/ceph/osd/%s-%s/%s' % (conf.cluster, osd_id, keyring_name)
name = name or 'osd.%s' % str(osd_id)
process.run(
[
'ceph-authtool', osd_keyring,
'--create-keyring',
'--name', name,
'--add-key', secret
])
system.chown(osd_keyring)
def osd_mkfs_bluestore(osd_id, fsid, keyring=None, wal=False, db=False):
"""
Create the files for the OSD to function. A normal call will look like:
ceph-osd --cluster ceph --mkfs --mkkey -i 0 \
--monmap /var/lib/ceph/osd/ceph-0/activate.monmap \
--osd-data /var/lib/ceph/osd/ceph-0 \
--osd-uuid 8d208665-89ae-4733-8888-5d3bfbeeec6c \
--keyring /var/lib/ceph/osd/ceph-0/keyring \
--setuser ceph --setgroup ceph
In some cases it is required to use the keyring, when it is passed in as
a keyword argument it is used as part of the ceph-osd command
"""
path = '/var/lib/ceph/osd/%s-%s/' % (conf.cluster, osd_id)
monmap = os.path.join(path, 'activate.monmap')
system.chown(path)
base_command = [
'ceph-osd',
'--cluster',
conf.cluster,
'--osd-objectstore',
'bluestore',
'--mkfs',
'-i',
osd_id,
'--monmap',
monmap,
]
supplementary_command = [
'--osd-data', path, '--osd-uuid', fsid, '--setuser', 'ceph',
'--setgroup', 'ceph'
]
if keyring is not None:
base_command.extend(['--keyfile', '-'])
if wal:
base_command.extend(['--bluestore-block-wal-path', wal])
system.chown(wal)
if db:
base_command.extend(['--bluestore-block-db-path', db])
system.chown(db)
if get_osdspec_affinity():
base_command.extend(['--osdspec-affinity', get_osdspec_affinity()])
command = base_command + supplementary_command
_, _, returncode = process.call(command, stdin=keyring, show_command=True)
if returncode != 0:
raise RuntimeError('Command failed with exit code %s: %s' %
(returncode, ' '.join(command)))
def osd_mkfs_bluestore(osd_id, fsid, keyring=None, wal=False, db=False):
"""
Create the files for the OSD to function. A normal call will look like:
ceph-osd --cluster ceph --mkfs --mkkey -i 0 \
--monmap /var/lib/ceph/osd/ceph-0/activate.monmap \
--osd-data /var/lib/ceph/osd/ceph-0 \
--osd-uuid 8d208665-89ae-4733-8888-5d3bfbeeec6c \
--keyring /var/lib/ceph/osd/ceph-0/keyring \
--setuser ceph --setgroup ceph
In some cases it is required to use the keyring, when it is passed in as
a keywork argument it is used as part of the ceph-osd command
"""
path = '/var/lib/ceph/osd/%s-%s/' % (conf.cluster, osd_id)
monmap = os.path.join(path, 'activate.monmap')
system.chown(path)
base_command = [
'ceph-osd',
'--cluster', conf.cluster,
# undocumented flag, sets the `type` file to contain 'bluestore'
'--osd-objectstore', 'bluestore',
'--mkfs',
'-i', osd_id,
'--monmap', monmap,
]
supplementary_command = [
'--osd-data', path,
'--osd-uuid', fsid,
'--setuser', 'ceph',
'--setgroup', 'ceph'
]
if keyring is not None:
base_command.extend(['--keyfile', '-'])
if wal:
base_command.extend(
['--bluestore-block-wal-path', wal]
)
system.chown(wal)
if db:
base_command.extend(
['--bluestore-block-db-path', db]
)
system.chown(db)
command = base_command + supplementary_command
_, _, returncode = process.call(command, stdin=keyring, show_command=True)
if returncode != 0:
raise RuntimeError('Command failed with exit code %s: %s' % (returncode, ' '.join(command)))
def activate_bluestore(lvs):
# find the osd
osd_lv = lvs.get(lv_tags={'ceph.type': 'block'})
osd_id = osd_lv.tags['ceph.osd_id']
conf.cluster = osd_lv.tags['ceph.cluster_name']
osd_fsid = osd_lv.tags['ceph.osd_fsid']
db_device_path = get_osd_device_path(osd_lv, lvs, 'db')
wal_device_path = get_osd_device_path(osd_lv, lvs, 'wal')
# mount on tmpfs the osd directory
osd_path = '/var/lib/ceph/osd/%s-%s' % (conf.cluster, osd_id)
if not system.path_is_mounted(osd_path):
# mkdir -p and mount as tmpfs
prepare_utils.create_osd_path(osd_id, tmpfs=True)
# XXX This needs to be removed once ceph-bluestore-tool can deal with
# symlinks that exist in the osd dir
for link_name in ['block', 'block.db', 'block.wal']:
link_path = os.path.join(osd_path, link_name)
if os.path.exists(link_path):
os.unlink(os.path.join(osd_path, link_name))
# Once symlinks are removed, the osd dir can be 'primed again.
process.run([
'ceph-bluestore-tool', '--cluster=%s' % conf.cluster,
'prime-osd-dir', '--dev', osd_lv.lv_path,
'--path', osd_path])
# always re-do the symlink regardless if it exists, so that the block,
# block.wal, and block.db devices that may have changed can be mapped
# correctly every time
process.run(['ln', '-snf', osd_lv.lv_path, os.path.join(osd_path, 'block')])
system.chown(os.path.join(osd_path, 'block'))
system.chown(osd_path)
if db_device_path:
destination = os.path.join(osd_path, 'block.db')
process.run(['ln', '-snf', db_device_path, destination])
system.chown(db_device_path)
if wal_device_path:
destination = os.path.join(osd_path, 'block.wal')
process.run(['ln', '-snf', wal_device_path, destination])
system.chown(wal_device_path)
# enable the ceph-volume unit for this OSD
systemctl.enable_volume(osd_id, osd_fsid, 'lvm')
# start the OSD
systemctl.start_osd(osd_id)
def activate_bluestore(lvs):
# find the osd
osd_lv = lvs.get(lv_tags={'ceph.type': 'block'})
osd_id = osd_lv.tags['ceph.osd_id']
osd_fsid = osd_lv.tags['ceph.osd_fsid']
db_device_path = get_osd_device_path(osd_lv, lvs, 'db')
wal_device_path = get_osd_device_path(osd_lv, lvs, 'wal')
# mount on tmpfs the osd directory
osd_path = '/var/lib/ceph/osd/%s-%s' % (conf.cluster, osd_id)
if not system.path_is_mounted(osd_path):
# mkdir -p and mount as tmpfs
prepare_utils.create_osd_path(osd_id, tmpfs=True)
# if the osd dir was not mounted via tmpfs, it means that the files are
# gone, so it needs to be 'primed' again. The command would otherwise
# fail if the directory was already populated
process.run([
'sudo', 'ceph-bluestore-tool', 'prime-osd-dir', '--dev',
osd_lv.lv_path, '--path', osd_path
])
# always re-do the symlink regardless if it exists, so that the block,
# block.wal, and block.db devices that may have changed can be mapped
# correctly every time
process.run([
'sudo', 'ln', '-snf', osd_lv.lv_path,
os.path.join(osd_path, 'block')
])
system.chown(os.path.join(osd_path, 'block'))
system.chown(osd_path)
if db_device_path:
destination = os.path.join(osd_path, 'block.db')
process.run(['sudo', 'ln', '-snf', db_device_path, destination])
system.chown(db_device_path)
if wal_device_path:
destination = os.path.join(osd_path, 'block.wal')
process.run(['sudo', 'ln', '-snf', wal_device_path, destination])
system.chown(wal_device_path)
# enable the ceph-volume unit for this OSD
systemctl.enable_volume(osd_id, osd_fsid, 'lvm')
# start the OSD
systemctl.start_osd(osd_id)
def activate(self, args):
with open(args.json_config, 'r') as fp:
osd_metadata = json.load(fp)
osd_id = osd_metadata.get('whoami', args.osd_id)
osd_fsid = osd_metadata.get('fsid', args.osd_fsid)
cluster_name = osd_metadata.get('cluster_name', 'ceph')
osd_dir = '/var/lib/ceph/osd/%s-%s' % (cluster_name, osd_id)
data_uuid = osd_metadata.get('data', {}).get('uuid')
if not data_uuid:
raise RuntimeError(
'Unable to activate OSD %s - no "uuid" key found for data' % args.osd_id
)
data_device = disk.get_device_from_partuuid(data_uuid)
journal_device = disk.get_device_from_partuuid(osd_metadata.get('journal', {}).get('uuid'))
block_device = disk.get_device_from_partuuid(osd_metadata.get('block', {}).get('uuid'))
block_db_device = disk.get_device_from_partuuid(osd_metadata.get('block.db', {}).get('uuid'))
block_wal_device = disk.get_device_from_partuuid(
osd_metadata.get('block.wal', {}).get('uuid')
)
if not system.device_is_mounted(data_device, destination=osd_dir):
process.run(['sudo', 'mount', '-v', data_device, osd_dir])
device_map = {
'journal': journal_device,
'block': block_device,
'block.db': block_db_device,
'block.wal': block_wal_device
}
for name, device in device_map.items():
if not device:
continue
# always re-do the symlink regardless if it exists, so that the journal
# device path that may have changed can be mapped correctly every time
destination = os.path.join(osd_dir, name)
process.run(['sudo', 'ln', '-snf', device, destination])
# make sure that the journal has proper permissions
system.chown(device)
if not self.systemd:
# enable the ceph-volume unit for this OSD
systemctl.enable_volume(osd_id, osd_fsid, 'simple')
# disable any/all ceph-disk units
systemctl.mask_ceph_disk()
# enable the OSD
systemctl.enable_osd(osd_id)
# start the OSD
systemctl.start_osd(osd_id)
if not self.systemd:
terminal.success('Successfully activated OSD %s with FSID %s' % (osd_id, osd_fsid))
terminal.warning(
('All ceph-disk systemd units have been disabled to '
'prevent OSDs getting triggered by UDEV events')
)
def activate(self, args):
with open(args.json_config, 'r') as fp:
osd_metadata = json.load(fp)
# Make sure that required devices are configured
self.validate_devices(osd_metadata)
osd_id = osd_metadata.get('whoami', args.osd_id)
osd_fsid = osd_metadata.get('fsid', args.osd_fsid)
data_uuid = osd_metadata.get('data', {}).get('uuid')
conf.cluster = osd_metadata.get('cluster_name', 'ceph')
if not data_uuid:
raise RuntimeError(
'Unable to activate OSD %s - no "uuid" key found for data' %
args.osd_id)
# Encryption detection, and capturing of the keys to decrypt
self.is_encrypted = osd_metadata.get('encrypted', False)
self.encryption_type = osd_metadata.get('encryption_type')
if self.is_encrypted:
lockbox_secret = osd_metadata.get('lockbox.keyring')
# write the keyring always so that we can unlock
encryption_utils.write_lockbox_keyring(osd_id, osd_fsid,
lockbox_secret)
# Store the secret around so that the decrypt method can reuse
raw_dmcrypt_secret = encryption_utils.get_dmcrypt_key(
osd_id, osd_fsid)
# Note how both these calls need b64decode. For some reason, the
# way ceph-disk creates these keys, it stores them in the monitor
# *undecoded*, requiring this decode call again. The lvm side of
# encryption doesn't need it, so we are assuming here that anything
# that `simple` scans, will come from ceph-disk and will need this
# extra decode call here
self.dmcrypt_secret = base64.b64decode(raw_dmcrypt_secret)
cluster_name = osd_metadata.get('cluster_name', 'ceph')
osd_dir = '/var/lib/ceph/osd/%s-%s' % (cluster_name, osd_id)
# XXX there is no support for LVM here
data_device = self.get_device(data_uuid)
if not data_device:
raise RuntimeError("osd fsid {} doesn't exist, this file will "
"be skipped, consider cleaning legacy "
"json file {}".format(osd_metadata['fsid'],
args.json_config))
journal_device = self.get_device(
osd_metadata.get('journal', {}).get('uuid'))
block_device = self.get_device(
osd_metadata.get('block', {}).get('uuid'))
block_db_device = self.get_device(
osd_metadata.get('block.db', {}).get('uuid'))
block_wal_device = self.get_device(
osd_metadata.get('block.wal', {}).get('uuid'))
if not system.device_is_mounted(data_device, destination=osd_dir):
if osd_metadata.get('type') == 'filestore':
prepare_utils.mount_osd(data_device, osd_id)
else:
process.run(['mount', '-v', data_device, osd_dir])
device_map = {
'journal': journal_device,
'block': block_device,
'block.db': block_db_device,
'block.wal': block_wal_device
}
for name, device in device_map.items():
if not device:
continue
# always re-do the symlink regardless if it exists, so that the journal
# device path that may have changed can be mapped correctly every time
destination = os.path.join(osd_dir, name)
process.run(['ln', '-snf', device, destination])
# make sure that the journal has proper permissions
system.chown(device)
self.enable_systemd_units(osd_id, osd_fsid)
terminal.success('Successfully activated OSD %s with FSID %s' %
(osd_id, osd_fsid))
def activate(self, args):
with open(args.json_config, 'r') as fp:
osd_metadata = json.load(fp)
osd_id = osd_metadata.get('whoami', args.osd_id)
osd_fsid = osd_metadata.get('fsid', args.osd_fsid)
cluster_name = osd_metadata.get('cluster_name', 'ceph')
osd_dir = '/var/lib/ceph/osd/%s-%s' % (cluster_name, osd_id)
data_uuid = osd_metadata.get('data', {}).get('uuid')
if not data_uuid:
raise RuntimeError(
'Unable to activate OSD %s - no "uuid" key found for data' % args.osd_id
)
data_device = disk.get_device_from_partuuid(data_uuid)
journal_device = disk.get_device_from_partuuid(osd_metadata.get('journal', {}).get('uuid'))
block_device = disk.get_device_from_partuuid(osd_metadata.get('block', {}).get('uuid'))
block_db_device = disk.get_device_from_partuuid(osd_metadata.get('block.db', {}).get('uuid'))
block_wal_device = disk.get_device_from_partuuid(
osd_metadata.get('block.wal', {}).get('uuid')
)
if not system.device_is_mounted(data_device, destination=osd_dir):
process.run(['mount', '-v', data_device, osd_dir])
device_map = {
'journal': journal_device,
'block': block_device,
'block.db': block_db_device,
'block.wal': block_wal_device
}
for name, device in device_map.items():
if not device:
continue
# always re-do the symlink regardless if it exists, so that the journal
# device path that may have changed can be mapped correctly every time
destination = os.path.join(osd_dir, name)
process.run(['ln', '-snf', device, destination])
# make sure that the journal has proper permissions
system.chown(device)
if not self.systemd:
# enable the ceph-volume unit for this OSD
systemctl.enable_volume(osd_id, osd_fsid, 'simple')
# disable any/all ceph-disk units
systemctl.mask_ceph_disk()
# enable the OSD
systemctl.enable_osd(osd_id)
# start the OSD
systemctl.start_osd(osd_id)
terminal.success('Successfully activated OSD %s with FSID %s' % (osd_id, osd_fsid))
terminal.warning(
('All ceph-disk systemd units have been disabled to '
'prevent OSDs getting triggered by UDEV events')
)
def activate_bluestore(osd_lvs, no_systemd=False, no_tmpfs=False):
for lv in osd_lvs:
if lv.tags.get('ceph.type') == 'block':
osd_block_lv = lv
break
else:
raise RuntimeError('could not find a bluestore OSD to activate')
is_encrypted = osd_block_lv.tags.get('ceph.encrypted', '0') == '1'
dmcrypt_secret = None
osd_id = osd_block_lv.tags['ceph.osd_id']
conf.cluster = osd_block_lv.tags['ceph.cluster_name']
osd_fsid = osd_block_lv.tags['ceph.osd_fsid']
# mount on tmpfs the osd directory
osd_path = '/var/lib/ceph/osd/%s-%s' % (conf.cluster, osd_id)
if not system.path_is_mounted(osd_path):
# mkdir -p and mount as tmpfs
prepare_utils.create_osd_path(osd_id, tmpfs=not no_tmpfs)
# XXX This needs to be removed once ceph-bluestore-tool can deal with
# symlinks that exist in the osd dir
for link_name in ['block', 'block.db', 'block.wal']:
link_path = os.path.join(osd_path, link_name)
if os.path.exists(link_path):
os.unlink(os.path.join(osd_path, link_name))
# encryption is handled here, before priming the OSD dir
if is_encrypted:
osd_lv_path = '/dev/mapper/%s' % osd_block_lv.lv_uuid
lockbox_secret = osd_block_lv.tags['ceph.cephx_lockbox_secret']
encryption_utils.write_lockbox_keyring(osd_id, osd_fsid,
lockbox_secret)
dmcrypt_secret = encryption_utils.get_dmcrypt_key(osd_id, osd_fsid)
encryption_utils.luks_open(dmcrypt_secret, osd_block_lv.lv_path,
osd_block_lv.lv_uuid)
else:
osd_lv_path = osd_block_lv.lv_path
db_device_path = get_osd_device_path(osd_lvs,
'db',
dmcrypt_secret=dmcrypt_secret)
wal_device_path = get_osd_device_path(osd_lvs,
'wal',
dmcrypt_secret=dmcrypt_secret)
# Once symlinks are removed, the osd dir can be 'primed again. chown first,
# regardless of what currently exists so that ``prime-osd-dir`` can succeed
# even if permissions are somehow messed up
system.chown(osd_path)
prime_command = [
'ceph-bluestore-tool',
'--cluster=%s' % conf.cluster, 'prime-osd-dir', '--dev', osd_lv_path,
'--path', osd_path, '--no-mon-config'
]
process.run(prime_command)
# always re-do the symlink regardless if it exists, so that the block,
# block.wal, and block.db devices that may have changed can be mapped
# correctly every time
process.run(['ln', '-snf', osd_lv_path, os.path.join(osd_path, 'block')])
system.chown(os.path.join(osd_path, 'block'))
system.chown(osd_path)
if db_device_path:
destination = os.path.join(osd_path, 'block.db')
process.run(['ln', '-snf', db_device_path, destination])
system.chown(db_device_path)
system.chown(destination)
if wal_device_path:
destination = os.path.join(osd_path, 'block.wal')
process.run(['ln', '-snf', wal_device_path, destination])
system.chown(wal_device_path)
system.chown(destination)
if no_systemd is False:
# enable the ceph-volume unit for this OSD
systemctl.enable_volume(osd_id, osd_fsid, 'lvm')
# enable the OSD
systemctl.enable_osd(osd_id)
# start the OSD
systemctl.start_osd(osd_id)
terminal.success("ceph-volume lvm activate successful for osd ID: %s" %
osd_id)
def activate(self, args):
with open(args.json_config, 'r') as fp:
osd_metadata = json.load(fp)
# Make sure that required devices are configured
self.validate_devices(osd_metadata)
osd_id = osd_metadata.get('whoami', args.osd_id)
osd_fsid = osd_metadata.get('fsid', args.osd_fsid)
data_uuid = osd_metadata.get('data', {}).get('uuid')
conf.cluster = osd_metadata.get('cluster_name', 'ceph')
if not data_uuid:
raise RuntimeError(
'Unable to activate OSD %s - no "uuid" key found for data' % args.osd_id
)
# Encryption detection, and capturing of the keys to decrypt
self.is_encrypted = osd_metadata.get('encrypted', False)
self.encryption_type = osd_metadata.get('encryption_type')
if self.is_encrypted:
lockbox_secret = osd_metadata.get('lockbox.keyring')
# write the keyring always so that we can unlock
encryption_utils.write_lockbox_keyring(osd_id, osd_fsid, lockbox_secret)
# Store the secret around so that the decrypt method can reuse
raw_dmcrypt_secret = encryption_utils.get_dmcrypt_key(osd_id, osd_fsid)
# Note how both these calls need b64decode. For some reason, the
# way ceph-disk creates these keys, it stores them in the monitor
# *undecoded*, requiring this decode call again. The lvm side of
# encryption doesn't need it, so we are assuming here that anything
# that `simple` scans, will come from ceph-disk and will need this
# extra decode call here
self.dmcrypt_secret = base64.b64decode(raw_dmcrypt_secret)
cluster_name = osd_metadata.get('cluster_name', 'ceph')
osd_dir = '/var/lib/ceph/osd/%s-%s' % (cluster_name, osd_id)
# XXX there is no support for LVM here
data_device = self.get_device(data_uuid)
journal_device = self.get_device(osd_metadata.get('journal', {}).get('uuid'))
block_device = self.get_device(osd_metadata.get('block', {}).get('uuid'))
block_db_device = self.get_device(osd_metadata.get('block.db', {}).get('uuid'))
block_wal_device = self.get_device(osd_metadata.get('block.wal', {}).get('uuid'))
if not system.device_is_mounted(data_device, destination=osd_dir):
process.run(['mount', '-v', data_device, osd_dir])
device_map = {
'journal': journal_device,
'block': block_device,
'block.db': block_db_device,
'block.wal': block_wal_device
}
for name, device in device_map.items():
if not device:
continue
# always re-do the symlink regardless if it exists, so that the journal
# device path that may have changed can be mapped correctly every time
destination = os.path.join(osd_dir, name)
process.run(['ln', '-snf', device, destination])
# make sure that the journal has proper permissions
system.chown(device)
self.enable_systemd_units(osd_id, osd_fsid)
terminal.success('Successfully activated OSD %s with FSID %s' % (osd_id, osd_fsid))
def osd_mkfs_bluestore(osd_id, fsid, keyring=None, wal=False, db=False):
"""
Create the files for the OSD to function. A normal call will look like:
ceph-osd --cluster ceph --mkfs --mkkey -i 0 \
--monmap /var/lib/ceph/osd/ceph-0/activate.monmap \
--osd-data /var/lib/ceph/osd/ceph-0 \
--osd-uuid 8d208665-89ae-4733-8888-5d3bfbeeec6c \
--keyring /var/lib/ceph/osd/ceph-0/keyring \
--setuser ceph --setgroup ceph
In some cases it is required to use the keyring, when it is passed in as
a keyword argument it is used as part of the ceph-osd command
"""
path = '/var/lib/ceph/osd/%s-%s/' % (conf.cluster, osd_id)
monmap = os.path.join(path, 'activate.monmap')
system.chown(path)
base_command = [
'ceph-osd',
'--cluster',
conf.cluster,
'--osd-objectstore',
'bluestore',
'--mkfs',
'-i',
osd_id,
'--monmap',
monmap,
]
supplementary_command = [
'--osd-data', path, '--osd-uuid', fsid, '--setuser', 'ceph',
'--setgroup', 'ceph'
]
if keyring is not None:
base_command.extend(['--keyfile', '-'])
if wal:
base_command.extend(['--bluestore-block-wal-path', wal])
system.chown(wal)
if db:
base_command.extend(['--bluestore-block-db-path', db])
system.chown(db)
if get_osdspec_affinity():
base_command.extend(['--osdspec-affinity', get_osdspec_affinity()])
command = base_command + supplementary_command
"""
When running in containers the --mkfs on raw device sometimes fails
to acquire a lock through flock() on the device because systemd-udevd holds one temporarily.
See KernelDevice.cc and _lock() to understand how ceph-osd acquires the lock.
Because this is really transient, we retry up to 5 times and wait for 1 sec in-between
"""
for retry in range(5):
_, _, returncode = process.call(command,
stdin=keyring,
terminal_verbose=True,
show_command=True)
if returncode == 0:
break
else:
if returncode == errno.EWOULDBLOCK:
time.sleep(1)
logger.info(
'disk is held by another process, trying to mkfs again... (%s/5 attempt)'
% retry)
continue
else:
raise RuntimeError('Command failed with exit code %s: %s' %
(returncode, ' '.join(command)))