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Add better help to scripts/port_from_sqlite_to_postgres.py
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parent
1783c7ca92
commit
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1 changed files with 27 additions and 5 deletions
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@ -671,15 +671,30 @@ class TerminalProgress(Progress):
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if __name__ == "__main__":
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parser = argparse.ArgumentParser()
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parser = argparse.ArgumentParser(
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description="A script to port an existing synapse SQLite database to"
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" a new PostgreSQL database."
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)
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parser.add_argument("-v", action='store_true')
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parser.add_argument("--curses", action='store_true')
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parser.add_argument("--sqlite-database")
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parser.add_argument(
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"--postgres-config", type=argparse.FileType('r'),
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"--sqlite-database", required=True,
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help="The snapshot of the SQLite database file. This must not be"
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" currently used by a running synapse server"
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)
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parser.add_argument(
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"--postgres-config", type=argparse.FileType('r'), required=True,
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help="The database config file for the PostgreSQL database"
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)
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parser.add_argument(
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"--curses", action='store_true',
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help="display a curses based progress UI"
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)
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parser.add_argument("--batch-size", type=int, default=1000)
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parser.add_argument(
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"--batch-size", type=int, default=1000,
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help="The number of rows to select from the SQLite table each"
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" iteration [default=1000]",
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)
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args = parser.parse_args()
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@ -705,6 +720,13 @@ if __name__ == "__main__":
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postgres_config = yaml.safe_load(args.postgres_config)
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if "name" not in postgres_config:
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sys.stderr.write("Malformed database config: no 'name'")
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sys.exit(2)
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if postgres_config["name"] != "psycopg2":
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sys.stderr.write("Database must use 'psycopg2' connector.")
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sys.exit(3)
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def start(stdscr=None):
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if stdscr:
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progress = CursesProgress(stdscr)
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