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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:45:59 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:45:59 +0000 |
commit | 19fcec84d8d7d21e796c7624e521b60d28ee21ed (patch) | |
tree | 42d26aa27d1e3f7c0b8bd3fd14e7d7082f5008dc /src/ceph-volume/ceph_volume/devices/raw/activate.py | |
parent | Initial commit. (diff) | |
download | ceph-upstream.tar.xz ceph-upstream.zip |
Adding upstream version 16.2.11+ds.upstream/16.2.11+dsupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/ceph-volume/ceph_volume/devices/raw/activate.py')
-rw-r--r-- | src/ceph-volume/ceph_volume/devices/raw/activate.py | 166 |
1 files changed, 166 insertions, 0 deletions
diff --git a/src/ceph-volume/ceph_volume/devices/raw/activate.py b/src/ceph-volume/ceph_volume/devices/raw/activate.py new file mode 100644 index 000000000..17be57dfe --- /dev/null +++ b/src/ceph-volume/ceph_volume/devices/raw/activate.py @@ -0,0 +1,166 @@ +from __future__ import print_function +import argparse +import logging +import os +from textwrap import dedent +from ceph_volume import process, conf, decorators, terminal +from ceph_volume.util import system +from ceph_volume.util import prepare as prepare_utils +from .list import direct_report + + +logger = logging.getLogger(__name__) + +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) + + +class Activate(object): + + help = 'Discover and prepare a data directory for a (BlueStore) OSD on a raw device' + + def __init__(self, argv): + self.argv = argv + self.args = None + + @decorators.needs_root + def activate(self, devs, start_osd_id, start_osd_uuid, + tmpfs, systemd): + """ + :param args: The parsed arguments coming from the CLI + """ + assert devs or start_osd_id or start_osd_uuid + found = direct_report(devs) + + activated_any = False + for osd_uuid, meta in found.items(): + osd_id = meta['osd_id'] + if start_osd_id is not None and str(osd_id) != str(start_osd_id): + continue + if start_osd_uuid is not None and osd_uuid != start_osd_uuid: + continue + logger.info('Activating osd.%s uuid %s cluster %s' % ( + osd_id, osd_uuid, meta['ceph_fsid'])) + activate_bluestore(meta, + tmpfs=tmpfs, + systemd=systemd) + activated_any = True + + if not activated_any: + raise RuntimeError('did not find any matching OSD to activate') + + def main(self): + sub_command_help = dedent(""" + Activate (BlueStore) OSD on a raw block device(s) based on the + device label (normally the first block of the device). + + ceph-volume raw activate [/dev/sdb2 ...] + + or + + ceph-volume raw activate --osd-id NUM --osd-uuid UUID + + The device(s) associated with the OSD need to have been prepared + previously, so that all needed tags and metadata exist. + """) + parser = argparse.ArgumentParser( + prog='ceph-volume raw activate', + formatter_class=argparse.RawDescriptionHelpFormatter, + description=sub_command_help, + ) + parser.add_argument( + '--device', + help='The device for the OSD to start' + ) + parser.add_argument( + '--osd-id', + help='OSD ID to activate' + ) + parser.add_argument( + '--osd-uuid', + help='OSD UUID to active' + ) + parser.add_argument( + '--no-systemd', + dest='no_systemd', + action='store_true', + help='Skip creating and enabling systemd units and starting OSD services' + ) + parser.add_argument( + '--block.db', + dest='block_db', + help='Path to bluestore block.db block device' + ) + parser.add_argument( + '--block.wal', + dest='block_wal', + help='Path to bluestore block.wal block device' + ) + parser.add_argument( + '--no-tmpfs', + action='store_true', + help='Do not use a tmpfs mount for OSD data dir' + ) + + if not self.argv: + print(sub_command_help) + return + args = parser.parse_args(self.argv) + self.args = args + if not args.no_systemd: + terminal.error('systemd support not yet implemented') + raise SystemExit(1) + + devs = [args.device] + if args.block_wal: + devs.append(args.block_wal) + if args.block_db: + devs.append(args.block_db) + + self.activate(devs=devs, + start_osd_id=args.osd_id, + start_osd_uuid=args.osd_uuid, + tmpfs=not args.no_tmpfs, + systemd=not self.args.no_systemd) |