Lenni Kuff af6d381401 IMPALA-565: Support user impersonation for HS2 authorization requests ...

This change adds support for user impersonation for HS2 authorization
requests. It adds a new flag (--authorized_proxy_user_config) that if
set, allows users (ex. hue) to impersonate as another user. The user they
wish to impersonate as is passed using the HS2 configuration property,
'impala.doas.user'.
The configuration allows for specifying the list of users a proxy user
can impersonate as well, or '*' to allow the proxy user to impersonate
any user. For example: hue=user1,user2,admin=*

Change-Id: I2a13e31e5bde2e6df47134458c803168415d0437
Reviewed-on: http://gerrit.ent.cloudera.com:8080/574
Reviewed-by: Lenni Kuff <lskuff@cloudera.com>
Tested-by: Lenni Kuff <lskuff@cloudera.com>

2014-01-08 10:53:39 -08:00

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