soft-deactivation: Log users which were soft deactivate/reactivated.

zerver/lib/soft_deactivation.py

@@ -1,14 +1,27 @@
 from __future__ import absolute_import
 
+import logging
 from collections import defaultdict
 from django.db import transaction
 from django.db.models import Max
+from django.conf import settings
 from django.utils.timezone import now as timezone_now
 from typing import DefaultDict, List
 
 from zerver.models import UserProfile, UserMessage, RealmAuditLog, \
     Subscription, Message, Recipient, UserActivity, Realm
 
+log_format = "%(asctime)s: %(message)s"
+logging.basicConfig(format=log_format)
+
+formatter = logging.Formatter(log_format)
+file_handler = logging.FileHandler(settings.SOFT_DEACTIVATION_LOG_PATH)
+file_handler.setFormatter(formatter)
+
+logger = logging.getLogger('')
+logger.setLevel(logging.INFO)
+logger.addHandler(file_handler)
+
 def filter_by_subscription_history(
         user_profile, all_stream_messages, all_stream_subscription_logs):
     # type: (UserProfile, DefaultDict[int, List[Message]], DefaultDict[int, List[RealmAuditLog]]) -> List[UserMessage]
@@ -162,6 +175,8 @@ def do_soft_deactivate_user(user_profile):
     user_profile.save(update_fields=[
         'long_term_idle',
         'last_active_message_id'])
+    logger.info('Soft Deactivated user %s (%s)' %
+                (user_profile.id, user_profile.email))
 
 def do_soft_deactivate_users(users):
     # type: (List[UserProfile]) -> None
@@ -191,6 +206,8 @@ def maybe_catch_up_soft_deactivated_user(user_profile):
             event_type='user_soft_activated',
             event_time=timezone_now()
         )
+        logger.info('Soft Reactivated user %s (%s)' %
+                    (user_profile.id, user_profile.email))
 
 def get_users_for_soft_deactivation(realm, inactive_for_days):
     # type: (Realm, int) -> List[UserProfile]

zproject/settings.py

@@ -1003,6 +1003,7 @@ ZULIP_PATHS = [
     ("DIGEST_LOG_PATH", "/var/log/zulip/digest.log"),
     ("ANALYTICS_LOG_PATH", "/var/log/zulip/analytics.log"),
     ("API_KEY_ONLY_WEBHOOK_LOG_PATH", "/var/log/zulip/webhooks_errors.log"),
+    ("SOFT_DEACTIVATION_LOG_PATH", "/var/log/zulip/soft_deactivation.log"),
 ]
 
 # The Event log basically logs most significant database changes,