The message cache filling script actually used both database and
memcached queries as part of filling the cache (all used to compute
the needed display_recipient values). We would ideally fix this by
using bulk operations to fill the display_recipient cache, but until
we do so, this cache filler is counterproductive.
I believe this disabling fixes an issue where memcached would get
overloaded and stop handling requests during a server restart on busy
servers.
Now attachment data gets written to its own json file. We are
splitting this out so that will be easier for us to cross-check
attachments against messages without holding up writing a lot
of the other realm data. (message cross-checking is coming soon)
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).
We now just have a single configuration get_realm_config() that
handles most of the top-down realm export tables. (It basically
does everything not related to messages or uploads/avatars.)
Unifying the configs allows us to be more strict in our
configuration about checking for anomalies. In the future
we may need to loosen up some of those restrictions again,
but for now we are picky and paranoid.
Fetch stream data only for stream recipients, instead of
getting streams via realm_id.
(This change is kind of moot for now, since our stream recipients
include all possible stream recipients in the realm, but this
sets us up for when we start restricting users that we export
within the realm.)
Previously, missed message emails with multiple senders would
incorrectly have a "," outside the quoted sender name part of the from
address string, resulting in confusing email output.
This commit introduces the ability to do custom fetches
and to essentially use temp tables for intermediate results.
(The temp table stuff deals with recipients/subscriptions
having three different flavors--user, stream, and huddle.)
Most directly useful for the migration to zulipchat.com.
Creates a new field in UserProfile to store the tos_version, as well as two
new settings TOS_VERSION and FIRST_TIME_TOS_TEMPLATE. We check for a version
mismatch between what the user has signed and the current
settings.TOS_VERSION whenever the user hits the home page, and redirect them
if needed.
Note that accounts_accept_terms.html and
zerver.views.accounts_accept_terms were unused before this commit
(they date from c327446537)
The function to create the message partial files has been
renamed to export_partial_message_files(). It now gets its own
list of user profile ids and recipient ids from the response,
so that we can de-clutter do_export_realm().
The name avatar_bucket was confusing for a boolean, and
in some places it was used for non-S3 paths.
I considered the more concise 'is_avatar', but that
was still confusing when you are processing multiple
files, because you think it's a calculated property
on one file instead of an overall codepath switch.
I also considered splitting up some functions, but
there is a lot of common logic between handling
file uploads and avatars that's not trivial to extract
into helpers, especially on the S3 side.
I did some minor moving around of code that made us have
one fewer function without any additional conditional
logic. The names are more explicit about saying
"from_local" and "from_s3". Also, there is less clutter
now in do_export_realm(), which is evolving into more of
a dispatcher and less of a worker.
This is pretty minor cleanup, but it makes it a little more
explicit what we're writing to the shard file, and it allows
us to use a more specific mypy type when calling
floatify_datetime_fields.
We no longer have an in-process code path to export
UserMessage rows. We want to only maintain the
subprocess code, which we'll always use in production,
and which will work fine in dev.
Steve Howell
Tim Abbott
Rishi Gupta
Umair Khan