+ group.add_argument('--osm2pgsql-cache', metavar='SIZE', type=int,
+ help='Size of cache to be used by osm2pgsql (in MB)')
+
+ @staticmethod
+ def _init_replication(args):
+ from .tools import replication, refresh
+
+ LOG.warning("Initialising replication updates")
+ conn = connect(args.config.get_libpq_dsn())
+ 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.data_dir,
+ True, False)
+ conn.close()
+ return 0
+
+
+ @staticmethod
+ def _check_for_updates(args):
+ from .tools import replication
+
+ conn = connect(args.config.get_libpq_dsn())
+ ret = replication.check_for_updates(conn, base_url=args.config.REPLICATION_URL)
+ conn.close()
+ return ret
+
+ @staticmethod
+ def _report_update(batchdate, start_import, start_index):
+ def round_time(delta):
+ return dt.timedelta(seconds=int(delta.total_seconds()))
+
+ end = dt.datetime.now(dt.timezone.utc)
+ LOG.warning("Update completed. Import: %s. %sTotal: %s. Remaining backlog: %s.",
+ round_time((start_index or end) - start_import),
+ "Indexing: {} ".format(round_time(end - start_index))
+ if start_index else '',
+ round_time(end - start_import),
+ round_time(end - batchdate))
+
+ @staticmethod
+ def _update(args):
+ from .tools import replication
+ from .indexer.indexer import Indexer
+
+ params = _osm2pgsql_options_from_args(args, 2000, 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',
+ max_diff_size=args.config.get_int('REPLICATION_MAX_DIFF'),
+ indexed_only=not args.once)
+
+ # Sanity check to not overwhelm the Geofabrik servers.
+ 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 "
+ "(https://nominatim.org/release-docs/latest/admin/Import-and-Update#"
+ "setting-up-the-update-process).")
+ raise UsageError("Invalid replication update interval setting.")
+
+ if not args.once:
+ if not args.do_index:
+ LOG.fatal("Indexing cannot be disabled when running updates continuously.")
+ raise UsageError("Bad argument '--no-index'.")
+ recheck_interval = args.config.get_int('REPLICATION_RECHECK_INTERVAL')
+
+ while True:
+ conn = connect(args.config.get_libpq_dsn())
+ start = dt.datetime.now(dt.timezone.utc)
+ state = replication.update(conn, params)
+ status.log_status(conn, start, 'import')
+ batchdate, _, _ = status.get_status(conn)
+ conn.close()
+
+ 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(),
+ args.threads or 1)
+ indexer.index_boundaries(0, 30)
+ indexer.index_by_rank(0, 30)
+
+ conn = connect(args.config.get_libpq_dsn())
+ status.set_indexed(conn, True)
+ status.log_status(conn, index_start, 'index')
+ conn.close()
+ else:
+ index_start = None
+
+ if LOG.isEnabledFor(logging.WARNING):
+ UpdateReplication._report_update(batchdate, start, index_start)
+
+ if args.once:
+ break
+
+ if state is replication.UpdateState.NO_CHANGES:
+ LOG.warning("No new changes. Sleeping for %d sec.", recheck_interval)
+ time.sleep(recheck_interval)
+
+ return state.value