On Thu, Oct 15, 2009 at 04:38:11PM +0900, Ken'ichi Ohmichi wrote:
> 
> Hi,
> 
> The cgconfig service succeeds even if there are something wrong
> in /etc/cgconfig.conf. For example, it succeeds even if specifying
> not-existing user (nouser) as a perm.task.uid like the following:
> 
>  # cat /etc/cgconfig.conf
>  mount {
>         cpuset = /mnt/cgroups/cpuset;
>         memory = /mnt/cgroups/memory;
>  }
>  group root {
>         perm {
>                 task {
>                         uid = nouser;
>                         gid = root;
>                 }
>                 admin {
>                         uid = root;
>                         gid = root;
>                 }
>         }
>         cpuset {
>                 cpuset.cpus = 0;
>                 cpuset.mems = 0;
>         }
>         memory {
>                 memory.use_hierarchy = 1;
>                 memory.limit_in_bytes = 1000000000000;
>         }
>  }
>  #
>  # service cgconfig start
>  Starting cgconfig service: parsing failed at line number 10
>                                                            [  OK  ]
>  # echo $?
>  0
>  #
> 
> 
> I feel that is not a good behavior and the cgconfig service should
> fail if there are something wrong in /etc/cgconfig.conf.
> This patch fixes the behavior. In the above case, the behavior is
> changed like the following by this patch:
> 
>  # service cgconfig start
>  Starting cgconfig service: parsing failed at line number 10
>  Loading configuration file /etc/cgconfig.conf failed
>  Cgroup parsing failed
>  Failed to parse /etc/cgconfig.conf                         [FAILED]
>  #
> 
> Any comments are welcome.
> 

Ah. OK, I need to go back and see why we returned a zero return value
even on failure. One main comment, let's make an entry in the error list
(something like EINVALCONFIG) and use that instead of a (seemingly
random) return value like 1.
-- 
regards,
Dhaval

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