[OE-core] [oe-core][rocko][sumo][master][PATCH 1/2] bitbake.conf: add PERSISTENT_LOG_DIR variable

[Ankur Tyagi]

Initially I thought of doing that but then dropped it because it would
create a dependency on syslog configuration file.
If in future syslog configuration parameter (LOGFILE) gets renamed, then we
need to make corresponding change as well.

I think creating /var/log as a link is a less dependent change.

Let me know your thoughts.

Regards
Ankur

On Mon, Aug 20, 2018 at 1:49 PM ChenQi <Qi.Chen at windriver.com> wrote:

> The requirement is to put logs into directories other than /var/log.
> Could it be achieved by modifying the syslog daemon configuration file
> (e.g. /etc/syslog.conf) to replace /var/log with the specified
> directory. Maybe the corresponding logrotate configuration file also
> needs to be modified.
>
> Best Regards,
> Chen Qi
>
> On 08/18/2018 08:59 AM, Ankur Tyagi wrote:
> > This variable is only respected when VOLATILE_LOG_DIR is "no".
> >
> > The default value is "" which results in the /var/log being log
> directory.
> >
> > The user could override this value to a path e.g "/home/root/log" which
> > results /var/log being a link pointing to /home/root/log directory on
> > persistent storage.
> >
> > Signed-off-by: Ankur Tyagi <ankur.tyagi85 at gmail.com>
> > ---
> >   meta/conf/bitbake.conf | 2 ++
> >   1 file changed, 2 insertions(+)
> >
> > diff --git a/meta/conf/bitbake.conf b/meta/conf/bitbake.conf
> > index e5dc1ac..9db22c8 100644
> > --- a/meta/conf/bitbake.conf
> > +++ b/meta/conf/bitbake.conf
> > @@ -88,6 +88,8 @@ ROOT_HOME ??= "/home/root"
> >   # If set to boolean true ('yes', 'y', 'true', 't', '1'), /var/log
> links to /var/volatile/log.
> >   # If set to boolean false ('no', 'n', 'false', 'f', '0'), /var/log is
> on persistent storage.
> >   VOLATILE_LOG_DIR ?= "yes"
> > +# If VOLATILE_LOG_DIR is false and PERSISTENT_LOG_DIR is set, /var/log
> links to PERSISTENT_LOG_DIR
> > +PERSISTENT_LOG_DIR ??= ""
> >
> >   ##################################################################
> >   # Architecture-dependent build variables.
>
>
>
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