[OE-core] [PATCH v2] oe_syslog.py: Handle syslogd/klogd restart race

[Richard Purdie]

On Sat, 2019-06-22 at 09:12 +0100, Richard Purdie wrote:
> On Sat, 2019-06-22 at 09:08 +0100, Richard Purdie wrote:
> > On Fri, 2019-06-21 at 15:27 -0400, Jon Mason wrote:
> > > syslogd and klogd can occasionally take too long to restart,
> > > which
> > > causes tests to fail by starting before the log daemons are
> > > ready.  To
> > > work around this problem, poll for up to 30 seconds on the
> > > processes to
> > > verify the old ones are killed and the new ones are up and
> > > running.
> > > 
> > > [YOCTO #13379]
> > > 
> > > Signed-off-by: Jon Mason <jdmason at kudzu.us>
> > > ---
> > >  meta/lib/oeqa/runtime/cases/oe_syslog.py | 54
> > > +++++++++++++++++++++---
> > >  1 file changed, 48 insertions(+), 6 deletions(-)
> > > 
> > > diff --git a/meta/lib/oeqa/runtime/cases/oe_syslog.py
> > > b/meta/lib/oeqa/runtime/cases/oe_syslog.py
> > > index 0f5f9f43ca..480aadedf9 100644
> > > --- a/meta/lib/oeqa/runtime/cases/oe_syslog.py
> > > +++ b/meta/lib/oeqa/runtime/cases/oe_syslog.py
> > > @@ -6,6 +6,7 @@ from oeqa.runtime.case import OERuntimeTestCase
> > >  from oeqa.core.decorator.depends import OETestDepends
> > >  from oeqa.core.decorator.data import skipIfDataVar
> > >  from oeqa.runtime.decorator.package import OEHasPackage
> > > +import time
> > >  
> > >  class SyslogTest(OERuntimeTestCase):
> > >  
> > > @@ -21,6 +22,49 @@ class SyslogTest(OERuntimeTestCase):
> > >  
> > >  class SyslogTestConfig(OERuntimeTestCase):
> > >  
> > > +    def test_syslog_restart_sanity(self):
> > > +        status, syslogd_pid = self.target.run('pidof syslogd')
> > > +        status, klogd_pid = self.target.run('pidof klogd')
> > 
> > FWIW by calling this test_, it will be run as a standalone test.
> > This
> > may have two issues:
> > 
> > a) it won't work on a systemd image
> > b) its missing dependency markup (is syslog running?) that the
> > other
> > tests have
> > 
> > Unless we really want it as a standalone test (I think there is a
> > similar one already), the fix may be just to rename it something
> > other
> > than starting with test_.
> 
> Sorry for all the replies, just realised I could quickly test a
> rename
> of the function so I've done that in -next.

Looks better but still some syslog problem related to core-image-full-
cmdline:

https://autobuilder.yoctoproject.org/typhoon/#/builders/83/builds/231

I think that has a different syslog provider which may be affecting the
test somehow.

Cheers,

Richard