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d041bb0674
The previous logic would provide a very confusing error message if the subdomain was already in use.
102 lines
3.7 KiB
Python
102 lines
3.7 KiB
Python
import argparse
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import os
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import subprocess
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from typing import Any
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from django.conf import settings
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from django.core.exceptions import ValidationError
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from django.core.management import call_command
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from django.core.management.base import BaseCommand, CommandError, CommandParser
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from zerver.forms import check_subdomain_available
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from zerver.lib.import_realm import do_import_realm, do_import_system_bots
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class Command(BaseCommand):
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help = """Import extracted Zulip database dump directories into a fresh Zulip instance.
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This command should be used only on a newly created, empty Zulip instance to
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import a database dump from one or more JSON files."""
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def add_arguments(self, parser: CommandParser) -> None:
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parser.add_argument(
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"--destroy-rebuild-database",
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action="store_true",
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help="Destroys and rebuilds the databases prior to import.",
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)
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parser.add_argument(
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"--import-into-nonempty",
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action="store_true",
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help="Import into an existing nonempty database.",
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)
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parser.add_argument(
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"--allow-reserved-subdomain",
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action="store_true",
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help="Allow use of reserved subdomains",
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)
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parser.add_argument("subdomain", metavar="<subdomain>", help="Subdomain")
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parser.add_argument(
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"export_paths",
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nargs="+",
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metavar="<export path>",
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help="list of export directories to import",
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)
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parser.add_argument(
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"--processes",
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default=settings.DEFAULT_DATA_EXPORT_IMPORT_PARALLELISM,
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help="Number of processes to use for uploading Avatars to S3 in parallel",
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)
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parser.formatter_class = argparse.RawTextHelpFormatter
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def do_destroy_and_rebuild_database(self, db_name: str) -> None:
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call_command("flush", verbosity=0, interactive=False)
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subprocess.check_call([os.path.join(settings.DEPLOY_ROOT, "scripts/setup/flush-memcached")])
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def handle(self, *args: Any, **options: Any) -> None:
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num_processes = int(options["processes"])
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if num_processes < 1:
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raise CommandError("You must have at least one process.")
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subdomain = options["subdomain"]
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if options["destroy_rebuild_database"]:
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print("Rebuilding the database!")
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db_name = settings.DATABASES["default"]["NAME"]
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self.do_destroy_and_rebuild_database(db_name)
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elif options["import_into_nonempty"]:
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print("NOTE: The argument 'import_into_nonempty' is now the default behavior.")
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allow_reserved_subdomain = False
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if options["allow_reserved_subdomain"]:
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allow_reserved_subdomain = True
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try:
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check_subdomain_available(subdomain, allow_reserved_subdomain)
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except ValidationError as e:
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raise CommandError(
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e.messages[0]
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+ "\nPass --allow-reserved-subdomain to override subdomain restrictions."
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)
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paths = []
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for path in options["export_paths"]:
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path = os.path.realpath(os.path.expanduser(path))
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if not os.path.exists(path):
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raise CommandError(f"Directory not found: '{path}'")
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if not os.path.isdir(path):
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raise CommandError(
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"Export file should be folder; if it's a tarball, please unpack it first."
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)
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paths.append(path)
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for path in paths:
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print(f"Processing dump: {path} ...")
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realm = do_import_realm(path, subdomain, num_processes)
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print("Checking the system bots.")
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do_import_system_bots(realm)
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