nominatim/clicmd/admin.py

   1 """
   2 Implementation of the 'admin' subcommand.
   3 """
   4 import logging
   5
   6 from nominatim.tools.exec_utils import run_legacy_script
   7 from nominatim.db.connection import connect
   8
   9 # Do not repeat documentation of subcommand classes.
  10 # pylint: disable=C0111
  11 # Using non-top-level imports to avoid eventually unused imports.
  12 # pylint: disable=E0012,C0415
  13
  14 LOG = logging.getLogger()
  15
  16 class AdminFuncs:
  17     """\
  18     Analyse and maintain the database.
  19     """
  20
  21     @staticmethod
  22     def add_args(parser):
  23         group = parser.add_argument_group('Admin tasks')
  24         objs = group.add_mutually_exclusive_group(required=True)
  25         objs.add_argument('--warm', action='store_true',
  26                           help='Warm database caches for search and reverse queries.')
  27         objs.add_argument('--check-database', action='store_true',
  28                           help='Check that the database is complete and operational.')
  29         objs.add_argument('--migrate', action='store_true',
  30                           help='Migrate the database to a new software version.')
  31         objs.add_argument('--analyse-indexing', action='store_true',
  32                           help='Print performance analysis of the indexing process.')
  33         group = parser.add_argument_group('Arguments for cache warming')
  34         group.add_argument('--search-only', action='store_const', dest='target',
  35                            const='search',
  36                            help="Only pre-warm tables for search queries")
  37         group.add_argument('--reverse-only', action='store_const', dest='target',
  38                            const='reverse',
  39                            help="Only pre-warm tables for reverse queries")
  40         group = parser.add_argument_group('Arguments for index anaysis')
  41         mgroup = group.add_mutually_exclusive_group()
  42         mgroup.add_argument('--osm-id', type=str,
  43                             help='Analyse indexing of the given OSM object')
  44         mgroup.add_argument('--place-id', type=int,
  45                             help='Analyse indexing of the given Nominatim object')
  46
  47     @staticmethod
  48     def run(args):
  49         if args.warm:
  50             return AdminFuncs._warm(args)
  51
  52         if args.check_database:
  53             LOG.warning('Checking database')
  54             from ..tools import check_database
  55             return check_database.check_database(args.config)
  56
  57         if args.analyse_indexing:
  58             LOG.warning('Analysing performance of indexing function')
  59             from ..tools import admin
  60             with connect(args.config.get_libpq_dsn()) as conn:
  61                 admin.analyse_indexing(conn, osm_id=args.osm_id, place_id=args.place_id)
  62             return 0
  63
  64         if args.migrate:
  65             LOG.warning('Checking for necessary database migrations')
  66             from ..tools import migration
  67             return migration.migrate(args.config, args)
  68
  69         return 1
  70
  71
  72     @staticmethod
  73     def _warm(args):
  74         LOG.warning('Warming database caches')
  75         params = ['warm.php']
  76         if args.target == 'reverse':
  77             params.append('--reverse-only')
  78         if args.target == 'search':
  79             params.append('--search-only')
  80         return run_legacy_script(*params, nominatim_env=args)