projects / ceph.git / blame
| Commit | Line | Data |
|---|---|---|
| 92f5a8d4 TL |
1 | from __future__ import print_function |
| 2 | import argparse | |
| 3 | import json | |
| 4 | import logging | |
| 5 | from textwrap import dedent | |
| 6 | from ceph_volume import decorators, process | |
| 7 | ||
| 8 | ||
| 9 | logger = logging.getLogger(__name__) | |
| 10 | ||
| 11 | def direct_report(devices): | |
| 12 | """ | |
| 13 | Other non-cli consumers of listing information will want to consume the | |
| 14 | report without the need to parse arguments or other flags. This helper | |
| 15 | bypasses the need to deal with the class interface which is meant for cli | |
| 16 | handling. | |
| 17 | """ | |
| 18 | _list = List([]) | |
| 19 | return _list.generate(devices) | |
| 20 | ||
| 21 | ||
| 22 | class List(object): | |
| 23 | ||
| 24 | help = 'list BlueStore OSDs on raw devices' | |
| 25 | ||
| 26 | def __init__(self, argv): | |
| 27 | self.argv = argv | |
| 28 | ||
| 29 | def generate(self, devs=None): | |
| 30 | if not devs: | |
| 31 | logger.debug('Listing block devices via lsblk...') | |
| 32 | devs = [] | |
| 33 | out, err, ret = process.call([ | |
| 34 | 'lsblk', '--paths', '--nodeps', '--output=NAME', '--noheadings' | |
| 35 | ]) | |
| 36 | assert not ret | |
| 37 | devs = out | |
| 38 | result = {} | |
| 39 | for dev in devs: | |
| 40 | logger.debug('Examining %s' % dev) | |
| 41 | # bluestore? | |
| 42 | out, err, ret = process.call([ | |
| 43 | 'ceph-bluestore-tool', 'show-label', | |
| 44 | '--dev', dev]) | |
| 45 | if ret: | |
| 46 | logger.debug('No label on %s' % dev) | |
| 47 | continue | |
| 48 | oj = json.loads(''.join(out)) | |
| 49 | if dev not in oj: | |
| 50 | continue | |
| 51 | if oj[dev]['description'] != 'main': | |
| 52 | # ignore non-main devices, for now | |
| 53 | continue | |
| 54 | whoami = oj[dev]['whoami'] | |
| 55 | result[whoami] = { | |
| 56 | 'type': 'bluestore', | |
| 57 | 'osd_id': int(whoami), | |
| 58 | } | |
| 59 | for f in ['osd_uuid', 'ceph_fsid']: | |
| 60 | result[whoami][f] = oj[dev][f] | |
| 61 | result[whoami]['device'] = dev | |
| 62 | return result | |
| 63 | ||
| 64 | @decorators.needs_root | |
| 65 | def list(self, args): | |
| 66 | report = self.generate(args.device) | |
| 67 | if args.format == 'json': | |
| 68 | print(json.dumps(report, indent=4, sort_keys=True)) | |
| 69 | else: | |
| 70 | if not report: | |
| 71 | raise SystemExit('No valid Ceph devices found') | |
| 72 | raise RuntimeError('not implemented yet') | |
| 73 | ||
| 74 | def main(self): | |
| 75 | sub_command_help = dedent(""" | |
| 76 | List OSDs on raw devices with raw device labels (usually the first | |
| 77 | block of the device). | |
| 78 | ||
| 79 | Full listing of all identifiable (currently, BlueStore) OSDs | |
| 80 | on raw devices: | |
| 81 | ||
| 82 | ceph-volume raw list | |
| 83 | ||
| 84 | List a particular device, reporting all metadata about it:: | |
| 85 | ||
| 86 | ceph-volume raw list /dev/sda1 | |
| 87 | ||
| 88 | """) | |
| 89 | parser = argparse.ArgumentParser( | |
| 90 | prog='ceph-volume raw list', | |
| 91 | formatter_class=argparse.RawDescriptionHelpFormatter, | |
| 92 | description=sub_command_help, | |
| 93 | ) | |
| 94 | ||
| 95 | parser.add_argument( | |
| 96 | 'device', | |
| 97 | metavar='DEVICE', | |
| 98 | nargs='*', | |
| 99 | help='Path to a device like /dev/sda1' | |
| 100 | ) | |
| 101 | ||
| 102 | parser.add_argument( | |
| 103 | '--format', | |
| 104 | help='output format, defaults to "pretty"', | |
| 105 | default='json', | |
| 106 | choices=['json', 'pretty'], | |
| 107 | ) | |
| 108 | ||
| 109 | args = parser.parse_args(self.argv) | |
| 110 | self.list(args) |