[Bug 1564812] [NEW] Disable sudo io logging for rootwrap

[Dr. Jens Rosenboom]

Public bug reported:

Cinder, Neutron and Nova use rootwrappers that allow selected commands
to be executed with root privileges via sudo. If an adminstrator chooses
to enable sudo logging for security reasons, this will cause a lot of
files being created, leading to filled up file systems pretty fast. This
could be circumvented by changing the entry in
/etc/sudoers.d/cinder_sudoers like this:

--- /etc/sudoers.d/cinder_sudoers       2016-03-30 11:20:28.000000000 +0000
+++ /etc/sudoers.d/cinder_sudoers.new   2016-04-01 09:31:36.811807794 +0000
@@ -1,3 +1,3 @@
 Defaults:cinder !requiretty
 
-cinder ALL = (root) NOPASSWD: /usr/bin/cinder-rootwrap  /etc/cinder/rootwrap.conf *
+cinder ALL = (root) NOPASSWD: NOLOG_INPUT: NOLOG_OUTPUT: /usr/bin/cinder-rootwrap  /etc/cinder/rootwrap.conf *

and similarly for nova and neutron.

** Affects: cinder (Ubuntu)
     Importance: Undecided
         Status: New

** Affects: neutron (Ubuntu)
     Importance: Undecided
         Status: New

** Affects: nova (Ubuntu)
     Importance: Undecided
         Status: New

** Also affects: nova (Ubuntu)
   Importance: Undecided
       Status: New

** Also affects: neutron (Ubuntu)
   Importance: Undecided
       Status: New

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https://bugs.launchpad.net/bugs/1564812

Title:
  Disable sudo io logging for rootwrap

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