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0258d7db0d
If the sysadmin is doing something explicit in a management command, it's OK to take a reserved or short subdomain. Fixes #9166.
88 lines
3.6 KiB
Python
88 lines
3.6 KiB
Python
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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.management import call_command
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from django.core.management.base import BaseCommand, CommandParser
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from zerver.lib.export import do_import_realm, do_import_system_bots
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from zerver.forms import check_subdomain_available
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from zerver.models import Client, DefaultStream, Huddle, \
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Message, Realm, RealmDomain, RealmFilter, Recipient, \
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Stream, Subscription, UserMessage, UserProfile
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Model = Any # TODO: make this mypy type more specific
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class Command(BaseCommand):
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help = """Import Zulip database dump files 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('--destroy-rebuild-database',
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dest='destroy_rebuild_database',
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default=False,
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action="store_true",
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help='Destroys and rebuilds the databases prior to import.')
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parser.add_argument('--import-into-nonempty',
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dest='import_into_nonempty',
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default=False,
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action="store_true",
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help='Import into an existing nonempty database.')
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parser.add_argument('subdomain', metavar='<subdomain>',
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type=str, help="Subdomain")
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parser.add_argument('export_files', nargs='+',
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metavar='<export file>',
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help="list of JSON exports to import")
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parser.formatter_class = argparse.RawTextHelpFormatter
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def new_instance_check(self, model: Model) -> None:
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count = model.objects.count()
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if count:
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print("Zulip instance is not empty, found %d rows in %s table. "
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% (count, model._meta.db_table))
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print("You may use --destroy-rebuild-database to destroy and "
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"rebuild the database prior to import.")
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exit(1)
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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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models_to_import = [Realm, Stream, UserProfile, Recipient, Subscription,
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Client, Message, UserMessage, Huddle, DefaultStream, RealmDomain,
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RealmFilter]
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subdomain = options['subdomain']
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if subdomain is None:
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print("Enter subdomain!")
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exit(1)
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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 not options["import_into_nonempty"]:
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for model in models_to_import:
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self.new_instance_check(model)
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check_subdomain_available(subdomain, from_management_command=True)
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for path in options['export_files']:
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if not os.path.exists(path):
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print("Directory not found: '%s'" % (path,))
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exit(1)
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print("Processing dump: %s ..." % (path,))
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realm = do_import_realm(path, subdomain)
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print("Checking the system bots.")
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do_import_system_bots(realm)
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