--- /dev/null
+from __future__ import print_function
+import argparse
+import json
+import logging
+import os
+from textwrap import dedent
+from ceph_volume import process, decorators, terminal
+from ceph_volume.util import system, disk
+from ceph_volume.systemd import systemctl
+
+
+logger = logging.getLogger(__name__)
+
+
+class Activate(object):
+
+ help = 'Enable systemd units to mount configured devices and start a Ceph OSD'
+
+ def __init__(self, argv, systemd=False):
+ self.argv = argv
+ self.systemd = systemd
+
+ @decorators.needs_root
+ 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)
+
+ 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 main(self):
+ sub_command_help = dedent("""
+ Activate OSDs by mounting devices previously configured to their
+ appropriate destination::
+
+ ceph-volume simple activate {ID} {FSID}
+
+ Or using a JSON file directly::
+
+ ceph-volume simple activate --file /etc/ceph/osd/{ID}-{FSID}.json
+
+ The OSD must have been "scanned" previously (see ``ceph-volume simple
+ scan``), so that all needed OSD device information and metadata exist.
+
+ A previously scanned OSD would exist like::
+
+ /etc/ceph/osd/{ID}-{FSID}.json
+
+
+ Environment variables supported:
+
+ CEPH_VOLUME_SIMPLE_JSON_DIR: Directory location for scanned OSD JSON configs
+ """)
+ parser = argparse.ArgumentParser(
+ prog='ceph-volume simple activate',
+ formatter_class=argparse.RawDescriptionHelpFormatter,
+ description=sub_command_help,
+ )
+ parser.add_argument(
+ 'osd_id',
+ metavar='ID',
+ nargs='?',
+ help='The ID of the OSD, usually an integer, like 0'
+ )
+ parser.add_argument(
+ 'osd_fsid',
+ metavar='FSID',
+ nargs='?',
+ help='The FSID of the OSD, similar to a SHA1'
+ )
+ parser.add_argument(
+ '--file',
+ help='The path to a JSON file, from a scanned OSD'
+ )
+ if len(self.argv) == 0:
+ print(sub_command_help)
+ return
+ args = parser.parse_args(self.argv)
+ if not args.file:
+ if not args.osd_id and not args.osd_fsid:
+ terminal.error('ID and FSID are required to find the right OSD to activate')
+ terminal.error('from a scanned OSD location in /etc/ceph/osd/')
+ raise RuntimeError('Unable to activate without both ID and FSID')
+ # don't allow a CLI flag to specify the JSON dir, because that might
+ # implicitly indicate that it would be possible to activate a json file
+ # at a non-default location which would not work at boot time if the
+ # custom location is not exposed through an ENV var
+ json_dir = os.environ.get('CEPH_VOLUME_SIMPLE_JSON_DIR', '/etc/ceph/osd/')
+ if args.file:
+ json_config = args.file
+ else:
+ json_config = os.path.join(json_dir, '%s-%s.json' % (args.osd_id, args.osd_fsid))
+ if not os.path.exists(json_config):
+ raise RuntimeError('Expected JSON config path not found: %s' % json_config)
+ args.json_config = json_config
+ self.activate(args)
Code Review / stor4nfv.git / blobdiff