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upgrade: Add management command to fix FTS indexes.

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Upgrading the base OS's dictionary files can corrupt our FTS
indexes. We add a command for fixing them.

Fixes #14982.
This commit is contained in:
Mateusz Mandera
2020-07-05 14:57:52 +02:00
committed by Tim Abbott
parent 23fe58f5be
commit c231d88d9f
3 changed files with 33 additions and 5 deletions
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12
docs/production/upgrade-or-modify.md
View File

@@ -239,12 +239,14 @@ instructions for other supported platforms.
5. Finally, we need to reinstall the current version of Zulip, which
among other things will recompile Zulip's Python module
dependencies for your new version of Python:
dependencies for your new version of Python and rewrite Zulip's
full-text search indexes to work with the upgraded dictionary
packages:
```
rm -rf /srv/zulip-venv-cache/*
/home/zulip/deployments/current/scripts/lib/upgrade-zulip-stage-2 \
/home/zulip/deployments/current/ --ignore-static-assets
/home/zulip/deployments/current/ --ignore-static-assets --audit-fts-indexes
```
That last command will finish by restarting your Zulip server; you
@@ -378,9 +380,9 @@ To upgrade the version of PostgreSQL on the Zulip server:
/home/zulip/deployments/current/scripts/setup/upgrade-postgres
```
That last command will finish by restarting your Zulip server; you
should now be able to navigate to its URL and confirm everything is
working correctly.
`upgrade-postgres` will have finished by restarting your Zulip server;
you should now be able to navigate to its URL and confirm everything
is working correctly.
## Modifying Zulip

7
scripts/lib/upgrade-zulip-stage-2
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@@ -81,6 +81,8 @@ parser.add_argument("--ignore-static-assets", dest="ignore_static_assets", actio
help="Do not attempt to copy/manage static assets.")
parser.add_argument("--skip-purge-old-deployments", dest="skip_purge_old_deployments",
action="store_true", help="Skip purging old deployments.")
parser.add_argument("--audit-fts-indexes", dest="audit_fts_indexes",
action="store_true", help="Audit and fix full text search indexes.")
args = parser.parse_args()
deploy_path = args.deploy_path
@@ -268,6 +270,11 @@ logging.info("Restarting Zulip...")
subprocess.check_output(["./scripts/restart-server", "--fill-cache"], preexec_fn=su_to_zulip)
logging.info("Upgrade complete!")
if args.audit_fts_indexes:
logging.info("Correcting full-text search indexes for updated dictionary files")
logging.info("This may take a while but the server should work while it runs.")
subprocess.check_call(["./manage.py", "audit_fts_indexes"], preexec_fn=su_to_zulip)
if not args.skip_purge_old_deployments:
logging.info("Purging old deployments...")
subprocess.check_call(["./scripts/purge-old-deployments"])

19
zerver/management/commands/audit_fts_indexes.py Normal file
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@@ -0,0 +1,19 @@
from typing import Any
from django.db import connection
from zerver.lib.management import ZulipBaseCommand
class Command(ZulipBaseCommand):
def handle(self, *args: Any, **kwargs: str) -> None:
with connection.cursor() as cursor:
cursor.execute("""
UPDATE zerver_message
SET search_tsvector =
to_tsvector('zulip.english_us_search', subject || rendered_content)
WHERE to_tsvector('zulip.english_us_search', subject || rendered_content) != search_tsvector
""")
fixed_message_count = cursor.rowcount
print(f"Fixed {fixed_message_count} messages.")