mirror of
https://github.com/zulip/zulip.git
synced 2025-11-04 05:53:43 +00:00
ea0a7d87c8
This commit doesn't change any behavior; it just moves fetching attachments out of the Config scheme and into its own method. This prepares us to start writing attachment data to its own file and cross-checking against message ids (coming soon).
1422 lines
54 KiB
Python
1422 lines
54 KiB
Python
from __future__ import absolute_import
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from __future__ import print_function
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import datetime
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from boto.s3.key import Key
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from boto.s3.connection import S3Connection
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from django.conf import settings
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from django.db import connection
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from django.forms.models import model_to_dict
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from django.utils import timezone
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import glob
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import logging
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import os
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import ujson
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import shutil
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import subprocess
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import tempfile
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from zerver.lib.avatar import user_avatar_hash
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from zerver.lib.create_user import random_api_key
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from zerver.models import UserProfile, Realm, Client, Huddle, Stream, \
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UserMessage, Subscription, Message, RealmEmoji, RealmFilter, \
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RealmAlias, Recipient, DefaultStream, get_user_profile_by_id, \
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UserPresence, UserActivity, UserActivityInterval, get_user_profile_by_email, \
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get_display_recipient, Attachment
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from zerver.lib.parallel import run_parallel
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from zerver.lib.utils import mkdir_p
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from six import text_type
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from six.moves import range
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from typing import Any, Dict, List, Tuple
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# Custom mypy types follow:
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Record = Dict[str, Any]
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TableName = str
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TableData = Dict[TableName, List[Record]]
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Field = str
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Path = text_type
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Context = Dict[str, Any]
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# The keys of our MessageOutput variables are normally
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# List[Record], but when we write partials, we can get
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# lists of integers or a single integer.
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# TODO: tighten this up with a union.
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MessageOutput = Dict[str, Any]
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realm_tables = [("zerver_defaultstream", DefaultStream),
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("zerver_realmemoji", RealmEmoji),
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("zerver_realmalias", RealmAlias),
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("zerver_realmfilter", RealmFilter)] # List[Tuple[TableName, Any]]
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ALL_ZERVER_TABLES = [
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# TODO: get a linter to ensure that this list is actually complete.
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'zerver_attachment',
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'zerver_attachment_messages',
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'zerver_client',
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'zerver_defaultstream',
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'zerver_huddle',
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'zerver_message',
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'zerver_preregistrationuser',
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'zerver_preregistrationuser_streams',
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'zerver_pushdevicetoken',
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'zerver_realm',
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'zerver_realmalias',
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'zerver_realmemoji',
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'zerver_realmfilter',
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'zerver_recipient',
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'zerver_referral',
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'zerver_scheduledjob',
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'zerver_stream',
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'zerver_subscription',
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'zerver_useractivity',
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'zerver_useractivityinterval',
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'zerver_usermessage',
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'zerver_userpresence',
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'zerver_userprofile',
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'zerver_userprofile_groups',
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'zerver_userprofile_user_permissions',
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]
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NON_EXPORTED_TABLES = [
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# These are known to either be altogether obsolete or
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# simply inappropriate for exporting (e.g. contains transient
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# data).
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'zerver_preregistrationuser',
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'zerver_preregistrationuser_streams',
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'zerver_pushdevicetoken',
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'zerver_referral',
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'zerver_scheduledjob',
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'zerver_userprofile_groups',
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'zerver_userprofile_user_permissions',
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]
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assert set(NON_EXPORTED_TABLES).issubset(set(ALL_ZERVER_TABLES))
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IMPLICIT_TABLES = [
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# ManyToMany relationships are exported implicitly.
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'zerver_attachment_messages',
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]
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assert set(IMPLICIT_TABLES).issubset(set(ALL_ZERVER_TABLES))
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MESSAGE_TABLES = [
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# message tables get special treatment, because they're so big
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'zerver_message',
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'zerver_usermessage',
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]
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DATE_FIELDS = {
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'zerver_attachment': ['create_time'],
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'zerver_message': ['last_edit_time', 'pub_date'],
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'zerver_realm': ['date_created'],
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'zerver_stream': ['date_created'],
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'zerver_useractivity': ['last_visit'],
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'zerver_useractivityinterval': ['start', 'end'],
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'zerver_userpresence': ['timestamp'],
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'zerver_userprofile': ['date_joined', 'last_login', 'last_reminder'],
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} # type: Dict[TableName, List[Field]]
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def sanity_check_output(data):
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# (TableData) -> None
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tables = set(ALL_ZERVER_TABLES)
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tables -= set(NON_EXPORTED_TABLES)
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tables -= set(IMPLICIT_TABLES)
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tables -= set(MESSAGE_TABLES)
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for table in tables:
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if table not in data:
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logging.warn('??? NO DATA EXPORTED FOR TABLE %s!!!' % (table,))
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def write_data_to_file(output_file, data):
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# type: (Path, Any) -> None
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with open(output_file, "w") as f:
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f.write(ujson.dumps(data, indent=4))
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def make_raw(query, exclude=None):
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# type: (Any, List[Field]) -> List[Record]
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'''
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Takes a Django query and returns a JSONable list
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of dictionaries corresponding to the database rows.
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'''
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return [model_to_dict(x, exclude=exclude) for x in query]
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def floatify_datetime_fields(data, table):
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# type: (TableData, TableName) -> None
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for item in data[table]:
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for field in DATE_FIELDS[table]:
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orig_dt = item[field]
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if orig_dt is None:
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continue
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if timezone.is_naive(orig_dt):
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logging.warning("Naive datetime:", item)
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dt = timezone.make_aware(orig_dt)
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else:
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dt = orig_dt
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utc_naive = dt.replace(tzinfo=None) - dt.utcoffset()
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item[field] = (utc_naive - datetime.datetime(1970, 1, 1)).total_seconds()
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class Config(object):
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'''
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A Config object configures a single table for exporting (and,
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maybe some day importing as well.
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You should never mutate Config objects as part of the export;
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instead use the data to determine how you populate other
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data structures.
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There are parent/children relationships between Config objects.
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The parent should be instantiated first. The child will
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append itself to the parent's list of children.
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'''
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def __init__(self, table=None, model=None,
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normal_parent=None, virtual_parent=None,
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filter_args=None, custom_fetch=None, custom_tables=None,
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post_process_data=None,
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concat_and_destroy=None, id_source=None, source_filter=None,
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parent_key=None, use_all=False, is_seeded=False, exclude=None):
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assert table or custom_tables
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self.table = table
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self.model = model
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self.normal_parent = normal_parent
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self.virtual_parent = virtual_parent
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self.filter_args = filter_args
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self.parent_key = parent_key
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self.use_all = use_all
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self.is_seeded = is_seeded
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self.exclude = exclude
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self.custom_fetch = custom_fetch
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self.custom_tables = custom_tables
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self.post_process_data = post_process_data
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self.concat_and_destroy = concat_and_destroy
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self.id_source = id_source
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self.source_filter= source_filter
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self.children = [] # type: List[Config]
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if normal_parent:
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self.parent = normal_parent
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else:
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self.parent = None
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if virtual_parent and normal_parent:
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raise Exception('''
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If you specify a normal_parent, please
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do not create a virtual_parent.
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''')
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if normal_parent:
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normal_parent.children.append(self)
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elif virtual_parent:
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virtual_parent.children.append(self)
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elif not is_seeded:
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raise Exception('''
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You must specify a parent if you are
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not using is_seeded.
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''')
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if self.id_source:
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if self.id_source[0] != self.virtual_parent.table:
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raise Exception('''
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Configuration error. To populate %s, you
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want data from %s, but that differs from
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the table name of your virtual parent (%s),
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which suggests you many not have set up
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the ordering correctly. You may simply
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need to assign a virtual_parent, or there
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may be deeper issues going on.''' % (
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self.table,
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self.id_source[0],
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self.virtual_parent.table,
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))
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def export_from_config(response, config, seed_object=None, context=None):
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table = config.table
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parent = config.parent
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model = config.model
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if context is None:
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context = {}
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if table:
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exported_tables = [table]
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else:
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exported_tables = config.custom_tables
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for t in exported_tables:
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logging.info('Exporting via export_from_config: %s' % (t,))
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rows = None
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if config.is_seeded:
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rows = [seed_object]
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elif config.custom_fetch:
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config.custom_fetch(
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response=response,
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config=config,
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context=context
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)
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if config.custom_tables:
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for t in config.custom_tables:
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if t not in response:
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raise Exception('Custom fetch failed to populate %s' % (t,))
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elif config.concat_and_destroy:
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# When we concat_and_destroy, we are working with
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# temporary "tables" that are lists of records that
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# should already be ready to export.
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data = [] # type: List[Record]
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for t in config.concat_and_destroy:
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data += response[t]
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del response[t]
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logging.info('Deleted temporary %s' % (t,))
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response[table] = data
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elif config.use_all:
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query = model.objects.all()
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rows = list(query)
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elif config.normal_parent:
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# In this mode, our current model is figuratively Article,
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# and normal_parent is figuratively Blog, and
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# now we just need to get all the articles
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# contained by the blogs.
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model = config.model
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parent_ids = [r['id'] for r in response[parent.table]]
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filter_parms = {config.parent_key: parent_ids}
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if config.filter_args:
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filter_parms.update(config.filter_args)
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query = model.objects.filter(**filter_parms)
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rows = list(query)
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elif config.id_source:
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# In this mode, we are the figurative Blog, and we now
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# need to look at the current response to get all the
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# blog ids from the Article rows we fetched previously.
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model = config.model
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# This will be a tuple of the form ('zerver_article', 'blog').
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(child_table, field) = config.id_source
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child_rows = response[child_table]
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if config.source_filter:
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child_rows = [r for r in child_rows if config.source_filter(r)]
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lookup_ids = [r[field] for r in child_rows]
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filter_parms = dict(id__in=lookup_ids)
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if config.filter_args:
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filter_parms.update(config.filter_args)
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query = model.objects.filter(**filter_parms)
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rows = list(query)
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# Post-process rows (which won't apply to custom fetches/concats)
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if rows is not None:
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response[table] = make_raw(rows, exclude=config.exclude)
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if table in DATE_FIELDS:
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floatify_datetime_fields(response, table)
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if config.post_process_data:
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config.post_process_data(
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response=response,
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config=config,
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context=context
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)
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# Now walk our children. It's extremely important to respect
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# the order of children here.
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for child_config in config.children:
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export_from_config(
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response=response,
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config=child_config,
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context=context,
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)
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def get_realm_config():
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# type: () -> Config
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# This is common, public information about the realm that we can share
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# with all realm users.
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realm_config = Config(
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table='zerver_realm',
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is_seeded=True
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)
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Config(
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table='zerver_defaultstream',
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model=DefaultStream,
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normal_parent=realm_config,
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parent_key='realm_id__in',
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)
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Config(
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table='zerver_realmemoji',
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model=RealmEmoji,
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normal_parent=realm_config,
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parent_key='realm_id__in',
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)
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Config(
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table='zerver_realmalias',
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model=RealmAlias,
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normal_parent=realm_config,
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parent_key='realm_id__in',
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)
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Config(
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table='zerver_realmfilter',
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model=RealmFilter,
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normal_parent=realm_config,
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parent_key='realm_id__in',
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)
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Config(
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table='zerver_client',
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model=Client,
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virtual_parent=realm_config,
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use_all=True
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)
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# To export only some users, you can tweak the below UserProfile config
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# to give the target users, but then you should create any users not
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# being exported in a separate
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# response['zerver_userprofile_mirrordummy'] export so that
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# conversations with those users can still be exported.
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user_profile_config = Config(
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table='zerver_userprofile',
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model=UserProfile,
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normal_parent=realm_config,
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parent_key='realm_id__in',
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exclude=['password', 'api_key'],
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)
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Config(
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custom_tables=[
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'zerver_userprofile_crossrealm',
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],
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virtual_parent=user_profile_config,
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custom_fetch=fetch_user_profile_cross_realm,
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)
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Config(
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table='zerver_userpresence',
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model=UserPresence,
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normal_parent=user_profile_config,
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parent_key='user_profile__in',
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)
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Config(
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table='zerver_useractivity',
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model=UserActivity,
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normal_parent=user_profile_config,
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parent_key='user_profile__in',
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)
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Config(
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table='zerver_useractivityinterval',
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model=UserActivityInterval,
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normal_parent=user_profile_config,
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parent_key='user_profile__in',
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)
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# Some of these tables are intermediate "tables" that we
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# create only for the export. Think of them as similar to views.
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user_subscription_config = Config(
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table='_user_subscription',
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model=Subscription,
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normal_parent=user_profile_config,
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filter_args={'recipient__type': Recipient.PERSONAL},
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parent_key='user_profile__in',
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)
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Config(
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table='_user_recipient',
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model=Recipient,
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virtual_parent=user_subscription_config,
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id_source=('_user_subscription', 'recipient'),
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)
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#
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stream_subscription_config = Config(
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table='_stream_subscription',
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model=Subscription,
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normal_parent=user_profile_config,
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filter_args={'recipient__type': Recipient.STREAM},
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parent_key='user_profile__in',
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)
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stream_recipient_config = Config(
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table='_stream_recipient',
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model=Recipient,
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virtual_parent=stream_subscription_config,
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id_source=('_stream_subscription', 'recipient'),
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)
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Config(
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table='zerver_stream',
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model=Stream,
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virtual_parent=stream_recipient_config,
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id_source=('_stream_recipient', 'type_id'),
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source_filter=lambda r: r['type'] == Recipient.STREAM,
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exclude=['email_token'],
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post_process_data=sanity_check_stream_data
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)
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#
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Config(
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custom_tables=[
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'_huddle_recipient',
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'_huddle_subscription',
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'zerver_huddle',
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],
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normal_parent=user_profile_config,
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custom_fetch=fetch_huddle_objects,
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)
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# Now build permanent tables from our temp tables.
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Config(
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table='zerver_recipient',
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virtual_parent=user_profile_config,
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concat_and_destroy=[
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'_user_recipient',
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'_stream_recipient',
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'_huddle_recipient',
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],
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)
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Config(
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table='zerver_subscription',
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virtual_parent=user_profile_config,
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concat_and_destroy=[
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'_user_subscription',
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'_stream_subscription',
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'_huddle_subscription',
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]
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)
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return realm_config
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def sanity_check_stream_data(response, config, context):
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# type: (TableData, Config, Context) -> None
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actual_streams = set([stream.name for stream in Stream.objects.all()])
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streams_in_response = set([stream['name'] for stream in response['zerver_stream']])
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if streams_in_response != actual_streams:
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print(streams_in_response - actual_streams)
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print(actual_streams - streams_in_response)
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raise Exception('''
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zerver_stream data does not match
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Stream.objects.all().
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Please investigate!
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''')
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def fetch_user_profile_cross_realm(response, config, context):
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# type: (TableData, Config, Context) -> None
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realm = context['realm']
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if realm.domain == "zulip.com":
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response['zerver_userprofile_crossrealm'] = []
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else:
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response['zerver_userprofile_crossrealm'] = [dict(email=x.email, id=x.id) for x in [
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get_user_profile_by_email(settings.NOTIFICATION_BOT),
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get_user_profile_by_email(settings.EMAIL_GATEWAY_BOT),
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get_user_profile_by_email(settings.WELCOME_BOT),
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]]
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def fetch_attachment_data(response, realm_id):
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# type: (TableData, int) -> None
|
|
filter_args = {'realm_id': realm_id} # TODO: filter by messages
|
|
query = Attachment.objects.filter(**filter_args)
|
|
response['zerver_attachment'] = make_raw(list(query))
|
|
floatify_datetime_fields(response, 'zerver_attachment')
|
|
|
|
def fetch_huddle_objects(response, config, context):
|
|
# type: (TableData, Config, Context) -> None
|
|
|
|
realm = context['realm']
|
|
user_profile_ids = set(r['id'] for r in response[config.parent.table])
|
|
|
|
# First we get all huddles involving someone in the realm.
|
|
realm_huddle_subs = Subscription.objects.select_related("recipient").filter(recipient__type=Recipient.HUDDLE,
|
|
user_profile__in=user_profile_ids)
|
|
realm_huddle_recipient_ids = set(sub.recipient_id for sub in realm_huddle_subs)
|
|
|
|
# Mark all Huddles whose recipient ID contains a cross-realm user.
|
|
unsafe_huddle_recipient_ids = set()
|
|
for sub in Subscription.objects.select_related().filter(recipient__in=realm_huddle_recipient_ids):
|
|
if sub.user_profile.realm != realm:
|
|
# In almost every case the other realm will be zulip.com
|
|
unsafe_huddle_recipient_ids.add(sub.recipient_id)
|
|
|
|
# Now filter down to just those huddles that are entirely within the realm.
|
|
#
|
|
# This is important for ensuring that the User objects needed
|
|
# to import it on the other end exist (since we're only
|
|
# exporting the users from this realm), at the cost of losing
|
|
# some of these cross-realm messages.
|
|
huddle_subs = [sub for sub in realm_huddle_subs if sub.recipient_id not in unsafe_huddle_recipient_ids]
|
|
huddle_recipient_ids = set(sub.recipient_id for sub in huddle_subs)
|
|
huddle_ids = set(sub.recipient.type_id for sub in huddle_subs)
|
|
|
|
huddle_subscription_dicts = make_raw(huddle_subs)
|
|
huddle_recipients = make_raw(Recipient.objects.filter(id__in=huddle_recipient_ids))
|
|
|
|
response['_huddle_recipient'] = huddle_recipients
|
|
response['_huddle_subscription'] = huddle_subscription_dicts
|
|
response['zerver_huddle'] = make_raw(Huddle.objects.filter(id__in=huddle_ids))
|
|
|
|
def fetch_usermessages(realm, message_ids, user_profile_ids, message_filename):
|
|
# type: (Realm, Set[int], Set[int], Path) -> List[Record]
|
|
# UserMessage export security rule: You can export UserMessages
|
|
# for the messages you exported for the users in your realm.
|
|
user_message_query = UserMessage.objects.filter(user_profile__realm=realm,
|
|
message_id__in=message_ids)
|
|
user_message_chunk = []
|
|
for user_message in user_message_query:
|
|
if user_message.user_profile_id not in user_profile_ids:
|
|
continue
|
|
user_message_obj = model_to_dict(user_message)
|
|
user_message_obj['flags_mask'] = user_message.flags.mask
|
|
del user_message_obj['flags']
|
|
user_message_chunk.append(user_message_obj)
|
|
logging.info("Fetched UserMessages for %s" % (message_filename,))
|
|
return user_message_chunk
|
|
|
|
def export_usermessages_batch(input_path, output_path):
|
|
# type: (Path, Path) -> None
|
|
"""As part of the system for doing parallel exports, this runs on one
|
|
batch of Message objects and adds the corresponding UserMessage
|
|
objects. (This is called by the export_usermessage_batch
|
|
management command)."""
|
|
with open(input_path, "r") as input_file:
|
|
output = ujson.loads(input_file.read())
|
|
message_ids = [item['id'] for item in output['zerver_message']]
|
|
user_profile_ids = set(output['zerver_userprofile_ids'])
|
|
del output['zerver_userprofile_ids']
|
|
realm = Realm.objects.get(id=output['realm_id'])
|
|
del output['realm_id']
|
|
output['zerver_usermessage'] = fetch_usermessages(realm, set(message_ids), user_profile_ids, output_path)
|
|
write_message_export(output_path, output)
|
|
os.unlink(input_path)
|
|
|
|
def write_message_export(message_filename, output):
|
|
# type: (Path, MessageOutput) -> None
|
|
write_data_to_file(output_file=message_filename, data=output)
|
|
logging.info("Dumped to %s" % (message_filename,))
|
|
|
|
def export_partial_message_files(realm, response, chunk_size=1000, output_dir=None):
|
|
# type: (Realm, TableData, int, Path) -> None
|
|
if output_dir is None:
|
|
output_dir = tempfile.mkdtemp(prefix="zulip-export")
|
|
|
|
def get_ids(records):
|
|
# type: (List[Record]) -> Set[int]
|
|
return set(x['id'] for x in records)
|
|
|
|
user_profile_ids = get_ids(response['zerver_userprofile'] +
|
|
response['zerver_userprofile_crossrealm'])
|
|
recipient_ids = get_ids(response['zerver_recipient'])
|
|
|
|
# Basic security rule: You can export everything sent by someone
|
|
# in your realm export (members of your realm plus Zulip realm
|
|
# bots) to a recipient object you're exporting (that is thus also
|
|
# in your realm).
|
|
#
|
|
# TODO: In theory, you should be able to export messages in
|
|
# cross-realm PM threads; currently, this only exports cross-realm
|
|
# messages received by your realm that were sent by Zulip system
|
|
# bots (e.g. emailgateway, notification-bot).
|
|
message_query = Message.objects.filter(sender__in=user_profile_ids,
|
|
recipient__in=recipient_ids).order_by("id")
|
|
|
|
min_id = -1
|
|
dump_file_id = 1
|
|
while True:
|
|
actual_query = message_query.filter(id__gt=min_id)[0:chunk_size]
|
|
message_chunk = make_raw(actual_query)
|
|
message_ids = set(m['id'] for m in message_chunk)
|
|
|
|
if len(message_chunk) == 0:
|
|
break
|
|
|
|
# Figure out the name of our shard file.
|
|
message_filename = os.path.join(output_dir, "messages-%06d.json" % (dump_file_id,))
|
|
message_filename += '.partial'
|
|
logging.info("Fetched Messages for %s" % (message_filename,))
|
|
|
|
# Clean up our messages.
|
|
table_data = {} # type: TableData
|
|
table_data['zerver_message'] = message_chunk
|
|
floatify_datetime_fields(table_data, 'zerver_message')
|
|
|
|
# Build up our output for the .partial file, which needs
|
|
# a list of user_profile_ids to search for (as well as
|
|
# the realm id).
|
|
output = {} # type: MessageOutput
|
|
output['zerver_message'] = table_data['zerver_message']
|
|
output['zerver_userprofile_ids'] = list(user_profile_ids)
|
|
output['realm_id'] = realm.id
|
|
|
|
# And write the data.
|
|
write_message_export(message_filename, output)
|
|
min_id = max(message_ids)
|
|
dump_file_id += 1
|
|
|
|
# TODO: Add asserts that every message was sent in the realm and every recipient is available above.
|
|
|
|
def export_uploads_and_avatars(realm, output_dir):
|
|
# type: (Realm, Path) -> None
|
|
os.makedirs(os.path.join(output_dir, "uploads"))
|
|
if settings.LOCAL_UPLOADS_DIR:
|
|
# Small installations and developers will usually just store files locally.
|
|
export_uploads_from_local(realm, os.path.join(output_dir, "uploads"),
|
|
os.path.join(settings.LOCAL_UPLOADS_DIR, "files"))
|
|
export_avatars_from_local(realm, os.path.join(output_dir, "avatars"),
|
|
os.path.join(settings.LOCAL_UPLOADS_DIR, "avatars"))
|
|
else:
|
|
# Some bigger installations will have their data stored on S3.
|
|
export_files_from_s3(realm, settings.S3_AVATAR_BUCKET, os.path.join(output_dir, "avatars"), True)
|
|
export_files_from_s3(realm, settings.S3_AUTH_UPLOADS_BUCKET, os.path.join(output_dir, "uploads"))
|
|
|
|
def export_files_from_s3(realm, bucket_name, output_dir, processing_avatars=False):
|
|
# type: (Realm, str, Path, bool) -> None
|
|
conn = S3Connection(settings.S3_KEY, settings.S3_SECRET_KEY)
|
|
bucket = conn.get_bucket(bucket_name, validate=True)
|
|
records = []
|
|
|
|
logging.info("Downloading uploaded files from %s" % (bucket_name))
|
|
|
|
avatar_hash_values = set()
|
|
user_ids = set()
|
|
if processing_avatars:
|
|
bucket_list = bucket.list()
|
|
for user_profile in UserProfile.objects.filter(realm=realm):
|
|
avatar_hash = user_avatar_hash(user_profile.email)
|
|
avatar_hash_values.add(avatar_hash)
|
|
avatar_hash_values.add(avatar_hash + ".original")
|
|
user_ids.add(user_profile.id)
|
|
else:
|
|
bucket_list = bucket.list(prefix="%s/" % (realm.id,))
|
|
|
|
if not os.path.exists(output_dir):
|
|
os.makedirs(output_dir)
|
|
|
|
if settings.EMAIL_GATEWAY_BOT is not None:
|
|
email_gateway_bot = get_user_profile_by_email(settings.EMAIL_GATEWAY_BOT)
|
|
else:
|
|
email_gateway_bot = None
|
|
|
|
count = 0
|
|
for bkey in bucket_list:
|
|
if processing_avatars and bkey.name not in avatar_hash_values:
|
|
continue
|
|
key = bucket.get_key(bkey.name)
|
|
|
|
# This can happen if an email address has moved realms
|
|
if 'realm_id' in key.metadata and key.metadata['realm_id'] != str(realm.id):
|
|
if email_gateway_bot is None or key.metadata['user_profile_id'] != str(email_gateway_bot.id):
|
|
raise Exception("Key metadata problem: %s %s / %s" % (key.name, key.metadata, realm.id))
|
|
# Email gateway bot sends messages, potentially including attachments, cross-realm.
|
|
print("File uploaded by email gateway bot: %s / %s" % (key.name, key.metadata))
|
|
elif processing_avatars:
|
|
if 'user_profile_id' not in key.metadata:
|
|
raise Exception("Missing user_profile_id in key metadata: %s" % (key.metadata,))
|
|
if int(key.metadata['user_profile_id']) not in user_ids:
|
|
raise Exception("Wrong user_profile_id in key metadata: %s" % (key.metadata,))
|
|
elif 'realm_id' not in key.metadata:
|
|
raise Exception("Missing realm_id in key metadata: %s" % (key.metadata,))
|
|
|
|
record = dict(s3_path=key.name, bucket=bucket_name,
|
|
size=key.size, last_modified=key.last_modified,
|
|
content_type=key.content_type, md5=key.md5)
|
|
record.update(key.metadata)
|
|
|
|
# A few early avatars don't have 'realm_id' on the object; fix their metadata
|
|
user_profile = get_user_profile_by_id(record['user_profile_id'])
|
|
if 'realm_id' not in record:
|
|
record['realm_id'] = user_profile.realm_id
|
|
record['user_profile_email'] = user_profile.email
|
|
|
|
if processing_avatars:
|
|
dirname = output_dir
|
|
filename = os.path.join(dirname, key.name)
|
|
record['path'] = key.name
|
|
else:
|
|
fields = key.name.split('/')
|
|
if len(fields) != 3:
|
|
raise Exception("Suspicious key %s" % (key.name))
|
|
dirname = os.path.join(output_dir, fields[1])
|
|
filename = os.path.join(dirname, fields[2])
|
|
record['path'] = os.path.join(fields[1], fields[2])
|
|
|
|
if not os.path.exists(dirname):
|
|
os.makedirs(dirname)
|
|
key.get_contents_to_filename(filename)
|
|
|
|
records.append(record)
|
|
count += 1
|
|
|
|
if (count % 100 == 0):
|
|
logging.info("Finished %s" % (count,))
|
|
|
|
with open(os.path.join(output_dir, "records.json"), "w") as records_file:
|
|
ujson.dump(records, records_file, indent=4)
|
|
|
|
def export_uploads_from_local(realm, output_dir, local_dir):
|
|
# type: (Realm, Path, Path) -> None
|
|
if not os.path.exists(output_dir):
|
|
os.makedirs(output_dir)
|
|
|
|
count = 0
|
|
records = []
|
|
for attachment in Attachment.objects.filter(realm_id=realm.id):
|
|
local_path = os.path.join(local_dir, attachment.path_id)
|
|
output_path = os.path.join(output_dir, attachment.path_id)
|
|
mkdir_p(os.path.dirname(output_path))
|
|
subprocess.check_call(["cp", "-a", local_path, output_path])
|
|
stat = os.stat(local_path)
|
|
record = dict(realm_id=attachment.realm.id,
|
|
user_profile_id=attachment.owner.id,
|
|
user_profile_email=attachment.owner.email,
|
|
s3_path=attachment.path_id,
|
|
path=attachment.path_id,
|
|
size=stat.st_size,
|
|
last_modified=stat.st_mtime,
|
|
content_type=None)
|
|
records.append(record)
|
|
|
|
count += 1
|
|
|
|
if (count % 100 == 0):
|
|
logging.info("Finished %s" % (count,))
|
|
with open(os.path.join(output_dir, "records.json"), "w") as records_file:
|
|
ujson.dump(records, records_file, indent=4)
|
|
|
|
def export_avatars_from_local(realm, output_dir, local_dir):
|
|
# type: (Realm, Path, Path) -> None
|
|
if not os.path.exists(output_dir):
|
|
os.makedirs(output_dir)
|
|
|
|
count = 0
|
|
records = []
|
|
|
|
users = list(UserProfile.objects.filter(realm=realm))
|
|
users += [
|
|
get_user_profile_by_email(settings.NOTIFICATION_BOT),
|
|
get_user_profile_by_email(settings.EMAIL_GATEWAY_BOT),
|
|
get_user_profile_by_email(settings.WELCOME_BOT),
|
|
]
|
|
for user in users:
|
|
if user.avatar_source == UserProfile.AVATAR_FROM_GRAVATAR:
|
|
continue
|
|
# NOTE: There is an avatar source called AVATAR_FROM_SYSTEM,
|
|
# but I'm not sure we support it any more. If we
|
|
# have system-generated avatars, then arguably we
|
|
# don't need to export them, but it's probably
|
|
# expedient to just copy them over. The more
|
|
# common case is AVATAR_FROM_USER, which is handled
|
|
# here as well. AVATAR_FROM_GRAVATAR refers to
|
|
# avatars hosted by gravatar.com, and for them,
|
|
# we have no files to worry about exporting
|
|
|
|
avatar_hash = user_avatar_hash(user.email)
|
|
wildcard = os.path.join(local_dir, avatar_hash + '.*')
|
|
|
|
for local_path in glob.glob(wildcard):
|
|
logging.info('Copying avatar file for user %s from %s' % (
|
|
user.email, local_path))
|
|
fn = os.path.basename(local_path)
|
|
output_path = os.path.join(output_dir, fn)
|
|
mkdir_p(str(os.path.dirname(output_path)))
|
|
subprocess.check_call(["cp", "-a", str(local_path), str(output_path)])
|
|
stat = os.stat(local_path)
|
|
record = dict(realm_id=realm.id,
|
|
user_profile_id=user.id,
|
|
user_profile_email=user.email,
|
|
s3_path=fn,
|
|
path=fn,
|
|
size=stat.st_size,
|
|
last_modified=stat.st_mtime,
|
|
content_type=None)
|
|
records.append(record)
|
|
|
|
count += 1
|
|
|
|
if (count % 100 == 0):
|
|
logging.info("Finished %s" % (count,))
|
|
|
|
with open(os.path.join(output_dir, "records.json"), "w") as records_file:
|
|
ujson.dump(records, records_file, indent=4)
|
|
|
|
def do_write_stats_file_for_realm_export(output_dir):
|
|
stats_file = os.path.join(output_dir, 'stats.txt')
|
|
realm_file = os.path.join(output_dir, 'realm.json')
|
|
message_files = glob.glob(os.path.join(output_dir, 'messages-*.json'))
|
|
fns = sorted(message_files + [realm_file])
|
|
|
|
logging.info('Writing stats file: %s\n' % (stats_file,))
|
|
with open(stats_file, 'w') as f:
|
|
for fn in fns:
|
|
f.write(os.path.basename(fn) +'\n')
|
|
payload = open(fn).read()
|
|
data = ujson.loads(payload)
|
|
for k in sorted(data):
|
|
f.write('%5d %s\n' % (len(data[k]), k))
|
|
f.write('\n')
|
|
|
|
avatar_file = os.path.join(output_dir, 'avatars/records.json')
|
|
uploads_file = os.path.join(output_dir, 'uploads/records.json')
|
|
|
|
for fn in [avatar_file, uploads_file]:
|
|
f.write(fn+'\n')
|
|
payload = open(fn).read()
|
|
data = ujson.loads(payload)
|
|
f.write('%5d records\n' % len(data))
|
|
f.write('\n')
|
|
|
|
def do_export_realm(realm, output_dir, threads):
|
|
# type: (Realm, Path, int) -> None
|
|
response = {} # type: TableData
|
|
|
|
# We need at least one thread running to export
|
|
# UserMessage rows. The management command should
|
|
# enforce this for us.
|
|
assert threads >= 1
|
|
|
|
realm_config = get_realm_config()
|
|
|
|
create_soft_link(source=output_dir, in_progress=True)
|
|
|
|
logging.info("Exporting data from get_realm_config()...")
|
|
export_from_config(
|
|
response=response,
|
|
config=realm_config,
|
|
seed_object=realm,
|
|
context=dict(realm=realm)
|
|
)
|
|
logging.info('...DONE with get_realm_config() data')
|
|
|
|
fetch_attachment_data(response=response, realm_id=realm.id)
|
|
|
|
export_file = os.path.join(output_dir, "realm.json")
|
|
write_data_to_file(output_file=export_file, data=response)
|
|
|
|
sanity_check_output(response)
|
|
|
|
logging.info("Exporting uploaded files and avatars")
|
|
export_uploads_and_avatars(realm, output_dir)
|
|
|
|
# We (sort of) export zerver_message rows here. We write
|
|
# them to .partial files that are subsequently fleshed out
|
|
# by parallel processes to add in zerver_usermessage data.
|
|
# This is for performance reasons, of course. Some installations
|
|
# have millions of messages.
|
|
logging.info("Exporting .partial files messages")
|
|
export_partial_message_files(realm, response, output_dir=output_dir)
|
|
|
|
# Start parallel jobs to export the UserMessage objects.
|
|
launch_user_message_subprocesses(threads=threads, output_dir=output_dir)
|
|
|
|
logging.info("Finished exporting %s" % (realm.domain))
|
|
create_soft_link(source=output_dir, in_progress=False)
|
|
|
|
def create_soft_link(source, in_progress=True):
|
|
is_done = not in_progress
|
|
in_progress_link = '/tmp/zulip-export-in-progress'
|
|
done_link = '/tmp/zulip-export-most-recent'
|
|
|
|
if in_progress:
|
|
new_target = in_progress_link
|
|
else:
|
|
subprocess.check_call(['rm', '-f', in_progress_link])
|
|
new_target = done_link
|
|
|
|
subprocess.check_call(["ln", "-nsf", source, new_target])
|
|
if is_done:
|
|
logging.info('See %s for output files' % (new_target,))
|
|
|
|
|
|
def launch_user_message_subprocesses(threads, output_dir):
|
|
# type: (int, Path) -> None
|
|
logging.info('Launching %d PARALLEL subprocesses to export UserMessage rows' % (threads,))
|
|
def run_job(shard):
|
|
# type: (str) -> int
|
|
subprocess.call(["./manage.py", 'export_usermessage_batch', '--path',
|
|
str(output_dir), '--thread', shard])
|
|
return 0
|
|
|
|
for (status, job) in run_parallel(run_job,
|
|
[str(x) for x in range(0, threads)],
|
|
threads=threads):
|
|
print("Shard %s finished, status %s" % (job, status))
|
|
|
|
def do_export_user(user_profile, output_dir):
|
|
# type: (UserProfile, Path) -> None
|
|
response = {} # type: TableData
|
|
|
|
export_single_user(user_profile, response)
|
|
export_file = os.path.join(output_dir, "user.json")
|
|
write_data_to_file(output_file=export_file, data=response)
|
|
logging.info("Exporting messages")
|
|
export_messages_single_user(user_profile, output_dir=output_dir)
|
|
|
|
def export_single_user(user_profile, response):
|
|
# type: (UserProfile, TableData) -> None
|
|
|
|
config = get_single_user_config()
|
|
export_from_config(
|
|
response=response,
|
|
config=config,
|
|
seed_object=user_profile,
|
|
)
|
|
|
|
def get_single_user_config():
|
|
# type: () -> Config
|
|
|
|
# zerver_userprofile
|
|
user_profile_config = Config(
|
|
table='zerver_userprofile',
|
|
is_seeded=True,
|
|
exclude=['password', 'api_key'],
|
|
)
|
|
|
|
# zerver_subscription
|
|
subscription_config = Config(
|
|
table='zerver_subscription',
|
|
model=Subscription,
|
|
normal_parent=user_profile_config,
|
|
parent_key='user_profile__in',
|
|
)
|
|
|
|
# zerver_recipient
|
|
recipient_config = Config(
|
|
table='zerver_recipient',
|
|
model=Recipient,
|
|
virtual_parent=subscription_config,
|
|
id_source=('zerver_subscription', 'recipient'),
|
|
)
|
|
|
|
# zerver_stream
|
|
Config(
|
|
table='zerver_stream',
|
|
model=Stream,
|
|
virtual_parent=recipient_config,
|
|
id_source=('zerver_recipient', 'type_id'),
|
|
source_filter=lambda r: r['type'] == Recipient.STREAM,
|
|
exclude=['email_token'],
|
|
)
|
|
|
|
return user_profile_config
|
|
|
|
def export_messages_single_user(user_profile, chunk_size=1000, output_dir=None):
|
|
# type: (UserProfile, int, Path) -> None
|
|
user_message_query = UserMessage.objects.filter(user_profile=user_profile)
|
|
min_id = -1
|
|
dump_file_id = 1
|
|
while True:
|
|
actual_query = user_message_query.select_related("message", "message__sending_client").filter(id__gt=min_id)[0:chunk_size]
|
|
user_message_chunk = [um for um in actual_query]
|
|
user_message_ids = set(um.id for um in user_message_chunk)
|
|
|
|
if len(user_message_chunk) == 0:
|
|
break
|
|
|
|
message_chunk = []
|
|
for user_message in user_message_chunk:
|
|
item = model_to_dict(user_message.message)
|
|
item['flags'] = user_message.flags_list()
|
|
item['flags_mask'] = user_message.flags.mask
|
|
# Add a few nice, human-readable details
|
|
item['sending_client_name'] = user_message.message.sending_client.name
|
|
item['display_recipient'] = get_display_recipient(user_message.message.recipient)
|
|
message_chunk.append(item)
|
|
|
|
message_filename = os.path.join(output_dir, "messages-%06d.json" % (dump_file_id,))
|
|
logging.info("Fetched Messages for %s" % (message_filename,))
|
|
|
|
output = {'zerver_message': message_chunk}
|
|
floatify_datetime_fields(output, 'zerver_message')
|
|
|
|
write_message_export(message_filename, output)
|
|
min_id = max(user_message_ids)
|
|
dump_file_id += 1
|
|
|
|
# Code from here is the realm import code path
|
|
|
|
# id_maps is a dictionary that maps table names to dictionaries
|
|
# that map old ids to new ids. We use this in
|
|
# re_map_foreign_keys and other places.
|
|
#
|
|
# We explicity initialize id_maps with the tables that support
|
|
# id re-mapping.
|
|
#
|
|
# Code reviewers: give these tables extra scrutiny, as we need to
|
|
# make sure to reload related tables AFTER we re-map the ids.
|
|
id_maps = {
|
|
'client': {},
|
|
'user_profile': {},
|
|
} # type: Dict[str, Dict[int, int]]
|
|
|
|
def update_id_map(table, old_id, new_id):
|
|
# type: (TableName, int, int) -> None
|
|
if table not in id_maps:
|
|
raise Exception('''
|
|
Table %s is not initialized in id_maps, which could
|
|
mean that we have not thought through circular
|
|
dependencies.
|
|
''' % (table,))
|
|
id_maps[table][old_id] = new_id
|
|
|
|
def fix_datetime_fields(data, table):
|
|
# type: (TableData, TableName) -> None
|
|
for item in data[table]:
|
|
for field_name in DATE_FIELDS[table]:
|
|
if item[field_name] is None:
|
|
item[field_name] = None
|
|
else:
|
|
v = datetime.datetime.utcfromtimestamp(item[field_name])
|
|
item[field_name] = timezone.make_aware(v, timezone=timezone.utc)
|
|
|
|
def convert_to_id_fields(data, table, field_name):
|
|
# type: (TableData, TableName, Field) -> None
|
|
'''
|
|
When Django gives us dict objects via model_to_dict, the foreign
|
|
key fields are `foo`, but we want `foo_id` for the bulk insert.
|
|
This function handles the simple case where we simply rename
|
|
the fields. For cases where we need to munge ids in the
|
|
database, see re_map_foreign_keys.
|
|
'''
|
|
for item in data[table]:
|
|
item[field_name + "_id"] = item[field_name]
|
|
del item[field_name]
|
|
|
|
def re_map_foreign_keys(data, table, field_name, related_table, verbose=True):
|
|
# type: (TableData, TableName, Field, TableName, bool) -> None
|
|
'''
|
|
We occasionally need to assign new ids to rows during the
|
|
import/export process, to accomodate things like existing rows
|
|
already being in tables. See bulk_import_client for more context.
|
|
|
|
The tricky part is making sure that foreign key references
|
|
are in sync with the new ids, and this fixer function does
|
|
the re-mapping. (It also appends `_id` to the field.)
|
|
'''
|
|
lookup_table = id_maps[related_table]
|
|
for item in data[table]:
|
|
old_id = item[field_name]
|
|
if old_id in lookup_table:
|
|
new_id = lookup_table[old_id]
|
|
if verbose:
|
|
logging.info('Remapping %s%s from %s to %s' % (table,
|
|
field_name + '_id',
|
|
old_id,
|
|
new_id))
|
|
else:
|
|
new_id = old_id
|
|
item[field_name + "_id"] = new_id
|
|
del item[field_name]
|
|
|
|
def fix_bitfield_keys(data, table, field_name):
|
|
# type: (TableData, TableName, Field) -> None
|
|
for item in data[table]:
|
|
item[field_name] = item[field_name + '_mask']
|
|
del item[field_name + '_mask']
|
|
|
|
def bulk_import_model(data, model, table, dump_file_id=None):
|
|
# type: (TableData, Any, TableName, str) -> None
|
|
# TODO, deprecate dump_file_id
|
|
model.objects.bulk_create(model(**item) for item in data[table])
|
|
if dump_file_id is None:
|
|
logging.info("Successfully imported %s from %s." % (model, table))
|
|
else:
|
|
logging.info("Successfully imported %s from %s[%s]." % (model, table, dump_file_id))
|
|
|
|
# Client is a table shared by multiple realms, so in order to
|
|
# correctly import multiple realms into the same server, we need to
|
|
# check if a Client object already exists, and so we need to support
|
|
# remap all Client IDs to the values in the new DB.
|
|
def bulk_import_client(data, model, table):
|
|
# type: (TableData, Any, TableName) -> None
|
|
for item in data[table]:
|
|
try:
|
|
client = Client.objects.get(name=item['name'])
|
|
except Client.DoesNotExist:
|
|
client = Client.objects.create(name=item['name'])
|
|
update_id_map(table='client', old_id=item['id'], new_id=client.id)
|
|
|
|
def import_uploads_local(import_dir, processing_avatars=False):
|
|
# type: (Path, bool) -> None
|
|
records_filename = os.path.join(import_dir, "records.json")
|
|
with open(records_filename) as records_file:
|
|
records = ujson.loads(records_file.read())
|
|
|
|
for record in records:
|
|
if processing_avatars:
|
|
# For avatars, we need to rehash the user's email with the
|
|
# new server's avatar salt
|
|
avatar_hash = user_avatar_hash(record['user_profile_email'])
|
|
file_path = os.path.join(settings.LOCAL_UPLOADS_DIR, "avatars", avatar_hash)
|
|
if record['s3_path'].endswith('.original'):
|
|
file_path += '.original'
|
|
else:
|
|
file_path += '.png'
|
|
else:
|
|
file_path = os.path.join(settings.LOCAL_UPLOADS_DIR, "files", record['s3_path'])
|
|
|
|
orig_file_path = os.path.join(import_dir, record['path'])
|
|
if not os.path.exists(os.path.dirname(file_path)):
|
|
subprocess.check_call(["mkdir", "-p", os.path.dirname(file_path)])
|
|
shutil.copy(orig_file_path, file_path)
|
|
|
|
def import_uploads_s3(bucket_name, import_dir, processing_avatars=False):
|
|
# type: (str, Path, bool) -> None
|
|
conn = S3Connection(settings.S3_KEY, settings.S3_SECRET_KEY)
|
|
bucket = conn.get_bucket(bucket_name, validate=True)
|
|
|
|
records_filename = os.path.join(import_dir, "records.json")
|
|
with open(records_filename) as records_file:
|
|
records = ujson.loads(records_file.read())
|
|
|
|
for record in records:
|
|
key = Key(bucket)
|
|
|
|
if processing_avatars:
|
|
# For avatars, we need to rehash the user's email with the
|
|
# new server's avatar salt
|
|
avatar_hash = user_avatar_hash(record['user_profile_email'])
|
|
key.key = avatar_hash
|
|
if record['s3_path'].endswith('.original'):
|
|
key.key += '.original'
|
|
else:
|
|
key.key = record['s3_path']
|
|
|
|
user_profile_id = int(record['user_profile_id'])
|
|
# Support email gateway bot and other cross-realm messages
|
|
if user_profile_id in id_maps["user_profile"]:
|
|
logging.info("Uploaded by ID mapped user: %s!" % (user_profile_id,))
|
|
user_profile_id = id_maps["user_profile"][user_profile_id]
|
|
user_profile = get_user_profile_by_id(user_profile_id)
|
|
key.set_metadata("user_profile_id", str(user_profile.id))
|
|
key.set_metadata("realm_id", str(user_profile.realm.id))
|
|
key.set_metadata("orig_last_modified", record['last_modified'])
|
|
|
|
headers = {'Content-Type': key['content_type']}
|
|
|
|
key.set_contents_from_filename(os.path.join(import_dir, record['path']), headers=headers)
|
|
|
|
def import_uploads(import_dir, processing_avatars=False):
|
|
# type: (Path, bool) -> None
|
|
if processing_avatars:
|
|
logging.info("Importing avatars")
|
|
else:
|
|
logging.info("Importing uploaded files")
|
|
if settings.LOCAL_UPLOADS_DIR:
|
|
import_uploads_local(import_dir, processing_avatars=processing_avatars)
|
|
else:
|
|
if processing_avatars:
|
|
bucket_name = settings.S3_AVATAR_BUCKET
|
|
else:
|
|
bucket_name = settings.S3_AUTH_UPLOADS_BUCKET
|
|
import_uploads_s3(bucket_name, import_dir, processing_avatars=processing_avatars)
|
|
|
|
# Importing data suffers from a difficult ordering problem because of
|
|
# models that reference each other circularly. Here is a correct order.
|
|
#
|
|
# * Client [no deps]
|
|
# * Realm [-notifications_stream]
|
|
# * Stream [only depends on realm]
|
|
# * Realm's notifications_stream
|
|
# * Now can do all realm_tables
|
|
# * UserProfile, in order by ID to avoid bot loop issues
|
|
# * Huddle
|
|
# * Recipient
|
|
# * Subscription
|
|
# * Message
|
|
# * UserMessage
|
|
#
|
|
# Because the Python object => JSON conversion process is not fully
|
|
# faithful, we have to use a set of fixers (e.g. on DateTime objects
|
|
# and Foreign Keys) to do the import correctly.
|
|
def do_import_realm(import_dir):
|
|
# type: (Path) -> None
|
|
logging.info("Importing realm dump %s" % (import_dir,))
|
|
if not os.path.exists(import_dir):
|
|
raise Exception("Missing import directory!")
|
|
|
|
realm_data_filename = os.path.join(import_dir, "realm.json")
|
|
if not os.path.exists(realm_data_filename):
|
|
raise Exception("Missing realm.json file!")
|
|
|
|
logging.info("Importing realm data from %s" % (realm_data_filename,))
|
|
with open(realm_data_filename) as f:
|
|
data = ujson.load(f)
|
|
|
|
convert_to_id_fields(data, 'zerver_realm', 'notifications_stream')
|
|
fix_datetime_fields(data, 'zerver_realm')
|
|
realm = Realm(**data['zerver_realm'][0])
|
|
if realm.notifications_stream_id is not None:
|
|
notifications_stream_id = int(realm.notifications_stream_id)
|
|
else:
|
|
notifications_stream_id = None
|
|
realm.notifications_stream_id = None
|
|
realm.save()
|
|
bulk_import_client(data, Client, 'zerver_client')
|
|
|
|
# Email tokens will automatically be randomly generated when the
|
|
# Stream objects are created by Django.
|
|
fix_datetime_fields(data, 'zerver_stream')
|
|
convert_to_id_fields(data, 'zerver_stream', 'realm')
|
|
bulk_import_model(data, Stream, 'zerver_stream')
|
|
|
|
realm.notifications_stream_id = notifications_stream_id
|
|
realm.save()
|
|
|
|
convert_to_id_fields(data, "zerver_defaultstream", 'stream')
|
|
for (table, model) in realm_tables:
|
|
convert_to_id_fields(data, table, 'realm')
|
|
bulk_import_model(data, model, table)
|
|
|
|
# Remap the user IDs for notification_bot and friends to their
|
|
# appropriate IDs on this server
|
|
for item in data['zerver_userprofile_crossrealm']:
|
|
logging.info("Adding to ID map: %s %s" % (item['id'], get_user_profile_by_email(item['email']).id))
|
|
new_user_id = get_user_profile_by_email(item['email']).id
|
|
update_id_map(table='user_profile', old_id=item['id'], new_id=new_user_id)
|
|
|
|
fix_datetime_fields(data, 'zerver_userprofile')
|
|
convert_to_id_fields(data, 'zerver_userprofile', 'realm')
|
|
re_map_foreign_keys(data, 'zerver_userprofile', 'bot_owner', related_table="user_profile")
|
|
convert_to_id_fields(data, 'zerver_userprofile', 'default_sending_stream')
|
|
convert_to_id_fields(data, 'zerver_userprofile', 'default_events_register_stream')
|
|
for user_profile_dict in data['zerver_userprofile']:
|
|
user_profile_dict['password'] = None
|
|
user_profile_dict['api_key'] = random_api_key()
|
|
# Since Zulip doesn't use these permissions, drop them
|
|
del user_profile_dict['user_permissions']
|
|
del user_profile_dict['groups']
|
|
user_profiles = [UserProfile(**item) for item in data['zerver_userprofile']]
|
|
for user_profile in user_profiles:
|
|
user_profile.set_unusable_password()
|
|
UserProfile.objects.bulk_create(user_profiles)
|
|
|
|
if 'zerver_huddle' in data:
|
|
bulk_import_model(data, Huddle, 'zerver_huddle')
|
|
|
|
bulk_import_model(data, Recipient, 'zerver_recipient')
|
|
re_map_foreign_keys(data, 'zerver_subscription', 'user_profile', related_table="user_profile")
|
|
convert_to_id_fields(data, 'zerver_subscription', 'recipient')
|
|
bulk_import_model(data, Subscription, 'zerver_subscription')
|
|
|
|
fix_datetime_fields(data, 'zerver_userpresence')
|
|
re_map_foreign_keys(data, 'zerver_userpresence', 'user_profile', related_table="user_profile")
|
|
re_map_foreign_keys(data, 'zerver_userpresence', 'client', related_table='client')
|
|
bulk_import_model(data, UserPresence, 'zerver_userpresence')
|
|
|
|
fix_datetime_fields(data, 'zerver_useractivity')
|
|
re_map_foreign_keys(data, 'zerver_useractivity', 'user_profile', related_table="user_profile")
|
|
re_map_foreign_keys(data, 'zerver_useractivity', 'client', related_table='client')
|
|
bulk_import_model(data, UserActivity, 'zerver_useractivity')
|
|
|
|
fix_datetime_fields(data, 'zerver_useractivityinterval')
|
|
re_map_foreign_keys(data, 'zerver_useractivityinterval', 'user_profile', related_table="user_profile")
|
|
bulk_import_model(data, UserActivityInterval, 'zerver_useractivityinterval')
|
|
|
|
# Import uploaded files and avatars
|
|
import_uploads(os.path.join(import_dir, "avatars"), processing_avatars=True)
|
|
import_uploads(os.path.join(import_dir, "uploads"))
|
|
|
|
# Import zerver_message and zerver_usermessage
|
|
import_message_data(import_dir)
|
|
|
|
# Do attachments AFTER message data is loaded.
|
|
import_attachments(data)
|
|
|
|
def import_message_data(import_dir):
|
|
# type: (Path) -> None
|
|
dump_file_id = 1
|
|
while True:
|
|
message_filename = os.path.join(import_dir, "messages-%06d.json" % (dump_file_id,))
|
|
if not os.path.exists(message_filename):
|
|
break
|
|
|
|
with open(message_filename) as f:
|
|
data = ujson.load(f)
|
|
|
|
logging.info("Importing message dump %s" % (message_filename,))
|
|
re_map_foreign_keys(data, 'zerver_message', 'sender', related_table="user_profile")
|
|
convert_to_id_fields(data, 'zerver_message', 'recipient')
|
|
re_map_foreign_keys(data, 'zerver_message', 'sending_client', related_table='client')
|
|
fix_datetime_fields(data, 'zerver_message')
|
|
bulk_import_model(data, Message, 'zerver_message')
|
|
|
|
# Due to the structure of these message chunks, we're
|
|
# guaranteed to have already imported all the Message objects
|
|
# for this batch of UserMessage objects.
|
|
convert_to_id_fields(data, 'zerver_usermessage', 'message')
|
|
re_map_foreign_keys(data, 'zerver_usermessage', 'user_profile', related_table="user_profile")
|
|
fix_bitfield_keys(data, 'zerver_usermessage', 'flags')
|
|
bulk_import_model(data, UserMessage, 'zerver_usermessage')
|
|
|
|
dump_file_id += 1
|
|
|
|
def import_attachments(data):
|
|
# type: (TableData) -> None
|
|
|
|
# Clean up the data in zerver_attachment that is not
|
|
# relevant to our many-to-many import.
|
|
fix_datetime_fields(data, 'zerver_attachment')
|
|
re_map_foreign_keys(data, 'zerver_attachment', 'owner', related_table="user_profile")
|
|
convert_to_id_fields(data, 'zerver_attachment', 'realm')
|
|
|
|
# Configure ourselves. Django models many-to-many (m2m)
|
|
# relations asymmetrically. The parent here refers to the
|
|
# Model that has the ManyToManyField. It is assumed here
|
|
# the child models have been loaded, but we are in turn
|
|
# responsible for loading the parents and the m2m rows.
|
|
parent_model = Attachment
|
|
parent_db_table_name = 'zerver_attachment'
|
|
parent_singular = 'attachment'
|
|
child_singular = 'message'
|
|
child_plural = 'messages'
|
|
m2m_table_name = 'zerver_attachment_messages'
|
|
parent_id = 'attachment_id'
|
|
child_id = 'message_id'
|
|
|
|
# First, build our list of many-to-many (m2m) rows.
|
|
# We do this in a slightly convoluted way to anticipate
|
|
# a future where we may need to call re_map_foreign_keys.
|
|
|
|
m2m_rows = [] # type: List[Record]
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for parent_row in data[parent_db_table_name]:
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for fk_id in parent_row[child_plural]:
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m2m_row = {} # type: Record
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m2m_row[parent_singular] = parent_row['id']
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m2m_row[child_singular] = fk_id
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m2m_rows.append(m2m_row)
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# Create our table data for insert.
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m2m_data = {m2m_table_name: m2m_rows} # type: TableData
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convert_to_id_fields(m2m_data, m2m_table_name, parent_singular)
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convert_to_id_fields(m2m_data, m2m_table_name, child_singular)
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m2m_rows = m2m_data[m2m_table_name]
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|
|
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# Next, delete out our child data from the parent rows.
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for parent_row in data[parent_db_table_name]:
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del parent_row[child_plural]
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|
|
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# Next, load the parent rows.
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bulk_import_model(data, parent_model, parent_db_table_name)
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|
|
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# Now, go back to our m2m rows.
|
|
# TODO: Do this the kosher Django way. We may find a
|
|
# better way to do this in Django 1.9 particularly.
|
|
with connection.cursor() as cursor:
|
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sql_template = '''
|
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insert into %s (%s, %s) values(%%s, %%s);''' % (m2m_table_name,
|
|
parent_id,
|
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child_id)
|
|
tups = [(row[parent_id], row[child_id]) for row in m2m_rows]
|
|
cursor.executemany(sql_template, tups)
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|
|
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logging.info('Successfully imported M2M table %s' % (m2m_table_name,))
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