X-Git-Url: https://git.openstreetmap.org./nominatim.git/blobdiff_plain/e5206133628c0ab1cacd6c5a04a2a9a973bfc86c..e8e2502e2f9d2275b8d567341400672adea9fea3:/nominatim/clicmd/replication.py diff --git a/nominatim/clicmd/replication.py b/nominatim/clicmd/replication.py index e766be2b..a22cef47 100644 --- a/nominatim/clicmd/replication.py +++ b/nominatim/clicmd/replication.py @@ -6,9 +6,9 @@ import logging import socket import time -from ..db import status -from ..db.connection import connect -from ..errors import UsageError +from nominatim.db import status +from nominatim.db.connection import connect +from nominatim.errors import UsageError LOG = logging.getLogger() @@ -17,20 +17,22 @@ LOG = logging.getLogger() # Using non-top-level imports to make pyosmium optional for replication only. # pylint: disable=E0012,C0415 -def _osm2pgsql_options_from_args(args, default_cache, default_threads): - """ Set up the standard osm2pgsql from the command line arguments. - """ - return dict(osm2pgsql=args.osm2pgsql_path, - osm2pgsql_cache=args.osm2pgsql_cache or default_cache, - osm2pgsql_style=args.config.get_import_style_file(), - threads=args.threads or default_threads, - dsn=args.config.get_libpq_dsn(), - flatnode_file=args.config.FLATNODE_FILE) - - class UpdateReplication: """\ Update the database using an online replication service. + + An OSM replication service is an online service that provides regular + updates (OSM diff files) for the planet or update they provide. The OSMF + provides the primary replication service for the full planet at + https://planet.osm.org/replication/ but there are other providers of + extracts of OSM data who provide such a service as well. + + This sub-command allows to set up such a replication service and download + and import updates at regular intervals. You need to call '--init' once to + set up the process or whenever you change the replication configuration + parameters. Without any arguments, the sub-command will go into a loop and + continuously apply updates as they become available. Giving `--once` just + downloads and imports the next batch of updates. """ @staticmethod @@ -40,22 +42,22 @@ class UpdateReplication: help='Initialise the update process') group.add_argument('--no-update-functions', dest='update_functions', action='store_false', - help="""Do not update the trigger function to - support differential updates.""") + help=("Do not update the trigger function to " + "support differential updates.")) group = parser.add_argument_group('Arguments for updates') group.add_argument('--check-for-updates', action='store_true', help='Check if new updates are available and exit') group.add_argument('--once', action='store_true', - help="""Download and apply updates only once. When - not set, updates are continuously applied""") + help=("Download and apply updates only once. When " + "not set, updates are continuously applied")) group.add_argument('--no-index', action='store_false', dest='do_index', - help="""Do not index the new data. Only applicable - together with --once""") + help=("Do not index the new data. Only usable " + "together with --once")) group.add_argument('--osm2pgsql-cache', metavar='SIZE', type=int, help='Size of cache to be used by osm2pgsql (in MB)') group = parser.add_argument_group('Download parameters') group.add_argument('--socket-timeout', dest='socket_timeout', type=int, default=60, - help='Set timeout for file downloads.') + help='Set timeout for file downloads') @staticmethod def _init_replication(args): @@ -66,8 +68,7 @@ class UpdateReplication: replication.init_replication(conn, base_url=args.config.REPLICATION_URL) if args.update_functions: LOG.warning("Create functions") - refresh.create_functions(conn, args.config, args.sqllib_dir, - True, False) + refresh.create_functions(conn, args.config, True, False) return 0 @@ -95,8 +96,9 @@ class UpdateReplication: def _update(args): from ..tools import replication from ..indexer.indexer import Indexer + from ..tokenizer import factory as tokenizer_factory - params = _osm2pgsql_options_from_args(args, 2000, 1) + params = args.osm2pgsql_options(default_cache=2000, default_threads=1) params.update(base_url=args.config.REPLICATION_URL, update_interval=args.config.get_int('REPLICATION_UPDATE_INTERVAL'), import_file=args.project_dir / 'osmosischange.osc', @@ -104,7 +106,7 @@ class UpdateReplication: indexed_only=not args.once) # Sanity check to not overwhelm the Geofabrik servers. - if 'download.geofabrik.de'in params['base_url']\ + if 'download.geofabrik.de' in params['base_url']\ and params['update_interval'] < 86400: LOG.fatal("Update interval too low for download.geofabrik.de.\n" "Please check install documentation " @@ -118,6 +120,8 @@ class UpdateReplication: raise UsageError("Bad argument '--no-index'.") recheck_interval = args.config.get_int('REPLICATION_RECHECK_INTERVAL') + tokenizer = tokenizer_factory.get_tokenizer_for_db(args.config) + while True: with connect(args.config.get_libpq_dsn()) as conn: start = dt.datetime.now(dt.timezone.utc) @@ -125,10 +129,11 @@ class UpdateReplication: if state is not replication.UpdateState.NO_CHANGES: status.log_status(conn, start, 'import') batchdate, _, _ = status.get_status(conn) + conn.commit() if state is not replication.UpdateState.NO_CHANGES and args.do_index: index_start = dt.datetime.now(dt.timezone.utc) - indexer = Indexer(args.config.get_libpq_dsn(), + indexer = Indexer(args.config.get_libpq_dsn(), tokenizer, args.threads or 1) indexer.index_boundaries(0, 30) indexer.index_by_rank(0, 30) @@ -136,6 +141,7 @@ class UpdateReplication: with connect(args.config.get_libpq_dsn()) as conn: status.set_indexed(conn, True) status.log_status(conn, index_start, 'index') + conn.commit() else: index_start = None