nominatim/clicmd/admin.py

   1 """
   2 Implementation of the 'admin' subcommand.
   3 """
   4 import logging
   5
   6 from ..tools.exec_utils import run_legacy_script
   7 from ..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 task arguments')
  24         group.add_argument('--warm', action='store_true',
  25                            help='Warm database caches for search and reverse queries.')
  26         group.add_argument('--check-database', action='store_true',
  27                            help='Check that the database is complete and operational.')
  28         group.add_argument('--analyse-indexing', action='store_true',
  29                            help='Print performance analysis of the indexing process.')
  30         group = parser.add_argument_group('Arguments for cache warming')
  31         group.add_argument('--search-only', action='store_const', dest='target',
  32                            const='search',
  33                            help="Only pre-warm tables for search queries")
  34         group.add_argument('--reverse-only', action='store_const', dest='target',
  35                            const='reverse',
  36                            help="Only pre-warm tables for reverse queries")
  37         group = parser.add_argument_group('Arguments for index anaysis')
  38         mgroup = group.add_mutually_exclusive_group()
  39         mgroup.add_argument('--osm-id', type=str,
  40                             help='Analyse indexing of the given OSM object')
  41         mgroup.add_argument('--place-id', type=int,
  42                             help='Analyse indexing of the given Nominatim object')
  43
  44     @staticmethod
  45     def run(args):
  46         if args.warm:
  47             AdminFuncs._warm(args)
  48
  49         if args.check_database:
  50             LOG.warning('Checking database')
  51             from ..tools import check_database
  52             return check_database.check_database(args.config)
  53
  54         if args.analyse_indexing:
  55             LOG.warning('Analysing performance of indexing function')
  56             from ..tools import admin
  57             conn = connect(args.config.get_libpq_dsn())
  58             admin.analyse_indexing(conn, osm_id=args.osm_id, place_id=args.place_id)
  59             conn.close()
  60
  61         return 0
  62
  63
  64     @staticmethod
  65     def _warm(args):
  66         LOG.warning('Warming database caches')
  67         params = ['warm.php']
  68         if args.target == 'reverse':
  69             params.append('--reverse-only')
  70         if args.target == 'search':
  71             params.append('--search-only')
  72         return run_legacy_script(*params, nominatim_env=args)