On Wed, Oct 12, 2016 at 12:00:00AM -0700, Andy Zhou wrote:
> On Wed, Oct 5, 2016 at 8:11 PM, Ben Pfaff <b...@ovn.org> wrote:
> 
> > At an early point in OVS development, OVS was built with fixed default
> > directories for pidfiles and sockets.  This meant that it was necessary to
> > use lots of --pidfile and --unixctl options in the testsuite, to point the
> > daemons to where they should put these files (since the testsuite cannot
> > and generally should not touch the real system /var/run).  Later on,
> > the environment variables OVS_RUNDIR, OVS_LOGDIR, etc. were introduced
> > to override these defaults, and even later the testsuite was changed to
> > always set these variables correctly in every test.  Thus, these days it
> > isn't usually necessary to specify a filename on --pidfile or to specify
> > --unixctl at all.  However, many of the tests are built by cut-and-paste,
> > so they tended to keep appearing anyhow.  This commit drops most of them,
> > making the testsuite easier to read and understand.
> >
> > This commit also sweeps away some other historical detritus.  In
> > particular, in early days of the testsuite there was no way to
> > automatically kill daemons when a test failed (or otherwise ended).  This
> > meant that some tests were littered with calls to "kill `cat pidfile`" on
> > almost every line (or m4 macros that expanded to the same thing) so that if
> > a test failed partway through the testsuite would not hang waiting for a
> > daemon to die that was never going to die without manual intervention.
> > However, a long time ago we introduced the "on_exit" mechanism that
> > obsoletes this.  This commit eliminates a lot of the old litter of kill
> > invocations, which also makes those tests easier to read.
> >
> > Signed-off-by: Ben Pfaff <b...@ovn.org>
> 
> 
> Acked-by: Andy Zhou <az...@ovn.org>
> 
> Thanks for making those changes! One of the replication tests bothered me,
> so I made similar changes to cleanup
> that test. It did not occur to me that many tests had similar issues and
> can be cleaned up as well, until I saw this patch.

Thanks.  This commit makes me happy too.

I applied this to master.
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