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Co-authored-by: Evan Rusackas <evan@preset.io> Co-authored-by: Sam Firke <sfirke@users.noreply.github.com>
54 lines
2.0 KiB
Plaintext
54 lines
2.0 KiB
Plaintext
---
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title: Additional Networking Settings
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hide_title: true
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sidebar_position: 5
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version: 1
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---
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## Additional Networking Settings
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### CORS
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To configure CORS, or cross-origin resource sharing, the following dependency must be installed:
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```python
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pip install apache-superset[cors]
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```
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The following keys in `superset_config.py` can be specified to configure CORS:
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- `ENABLE_CORS`: Must be set to `True` in order to enable CORS
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- `CORS_OPTIONS`: options passed to Flask-CORS
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([documentation](https://flask-cors.corydolphin.com/en/latest/api.html#extension))
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### Domain Sharding
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Chrome allows up to 6 open connections per domain at a time. When there are more than 6 slices in
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dashboard, a lot of time fetch requests are queued up and wait for next available socket.
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[PR 5039](https://github.com/apache/superset/pull/5039) adds domain sharding to Superset,
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and this feature will be enabled by configuration only (by default Superset doesn’t allow
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cross-domain request).
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Add the following setting in your `superset_config.py` file:
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- `SUPERSET_WEBSERVER_DOMAINS`: list of allowed hostnames for domain sharding feature.
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Please create your domain shards as subdomains of your main domain for authorization to
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work properly on new domains. For Example:
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- `SUPERSET_WEBSERVER_DOMAINS=['superset-1.mydomain.com','superset-2.mydomain.com','superset-3.mydomain.com','superset-4.mydomain.com']`
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or add the following setting in your `superset_config.py` file if domain shards are not subdomains of main domain.
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- `SESSION_COOKIE_DOMAIN = '.mydomain.com'`
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### Middleware
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Superset allows you to add your own middleware. To add your own middleware, update the
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`ADDITIONAL_MIDDLEWARE` key in your `superset_config.py`. `ADDITIONAL_MIDDLEWARE` should be a list
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of your additional middleware classes.
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For example, to use `AUTH_REMOTE_USER` from behind a proxy server like nginx, you have to add a
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simple middleware class to add the value of `HTTP_X_PROXY_REMOTE_USER` (or any other custom header
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from the proxy) to Gunicorn’s `REMOTE_USER` environment variable:
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