feat(api-usage): add environment variable to prevent API usage tracki…

…ng. (#3386)

api/app/settings/common.py

@@ -297,12 +297,15 @@
 
 USE_POSTGRES_FOR_ANALYTICS = env.bool("USE_POSTGRES_FOR_ANALYTICS", default=False)
 
-# NOTE: Because we use Postgres for analytics data in staging and Influx for tracking SSE data,
-# we need to support setting the influx configuration alongside using postgres for analytics.
-if USE_POSTGRES_FOR_ANALYTICS:
-    MIDDLEWARE.append("app_analytics.middleware.APIUsageMiddleware")
-elif INFLUXDB_TOKEN:
-    MIDDLEWARE.append("app_analytics.middleware.InfluxDBMiddleware")
+ENABLE_API_USAGE_TRACKING = env.bool("ENABLE_API_USAGE_TRACKING", default=True)
+
+if ENABLE_API_USAGE_TRACKING:
+    # NOTE: Because we use Postgres for analytics data in staging and Influx for tracking SSE data,
+    # we need to support setting the influx configuration alongside using postgres for analytics.
+    if USE_POSTGRES_FOR_ANALYTICS:
+        MIDDLEWARE.append("app_analytics.middleware.APIUsageMiddleware")
+    elif INFLUXDB_TOKEN:
+        MIDDLEWARE.append("app_analytics.middleware.InfluxDBMiddleware")
 
 
 ALLOWED_ADMIN_IP_ADDRESSES = env.list("ALLOWED_ADMIN_IP_ADDRESSES", default=list())

docs/docs/deployment/hosting/locally-api.md

@@ -107,8 +107,9 @@ application.
 Further information on the admin pages can be found [here](/deployment/configuration/django-admin).
 
 [^1]:
-    Your Flagsmith's domain can also be configured via the `FLAGSMITH_DOMAIN` environment variable. See the
-    [full list](#application-environment-variables) of variables used for configuration.
+
+Your Flagsmith's domain can also be configured via the `FLAGSMITH_DOMAIN` environment variable. See the
+[full list](#application-environment-variables) of variables used for configuration.
 
 ## Deploying
 
@@ -251,6 +252,9 @@ the below variables will be ignored.
   and hence should not be modified for already running instances of flagsmith. It should only be used for new
   installations, and should not be modified. WARNING: setting this to a higher limit may prevent imports to our SaaS
   platform if required in the future.
+- `ENABLE_API_USAGE_TRACKING`: Enable tracking of all API requests in Postgres / Influx. Default is True. Setting to
+  False will mean that the Usage tab in the Organisation Settings will not show any data. Useful when using Postgres for
+  analytics in high traffic environments to limit the size of database.
 
 #### Security Environment Variables