[IMPALA-12093] impala-shell should preserve all cookies by default

• Type: Improvement
• Status: Open
• Priority: Major
• Resolution: Unresolved
• Affects Version/s: Impala 4.3.0
• Component/s: Clients
• Epic Color: ghx-label-12
• Assignee: Wenzhe Zhou
• Reporter: Joe McDonnell
• Created: 24/Apr/23 18:58
• Updated: 26/Apr/23 01:54

Description

Currently, impala-shell's http_cookie_names parameter specifies which cookies should be preserved and sent back with subsequent requests. This defaults to a couple well-known cookie names that Impala uses.

In general, we don't know what proxies are between impala-shell and Impala, and we don't know what cookie name they rely on being preserved. As an example, Apache Knox can rely on a cookie it sets to route requests to the appropriate Impala coordinator. Limiting our cookie preservation to a small allow list makes this much more brittle and hard to use. Clients need to know the right list of cookies to put in http_cookie_names, and that is not obvious.

It seems like the default behavior should be to preserve all cookies. We can keep a way to disallow or limit the cookies for unusual cases.

Issue Links

• relates to: IMPALA-10784 Add support for retaining cookies among http requests in impala-shell