Re: [PATCH] KVM test: Pass the test parameters through the command line

[Lucas Meneghel Rodrigues <lmr@redhat.com>]

On Fri, 2011-01-14 at 16:14 +0200, Michael Goldish wrote:
> On 01/14/2011 01:42 PM, Lucas Meneghel Rodrigues wrote:
> > From: Jason Wang <jasowang@redhat.com>
> > 
> > The patch tries to make using kvm-autotest much more easier by
> > enabling the ability of passing the test parameters from command line
> > directly through --args="key1=value1 key2=value2 ... keyN=valueN".
> > 
> > The idea is simple, autotest test pass the additional parameters
> > through args, and the control file analyzes them and generate the
> > configuration string for kvm_config.
> > 
> > The keywords "only" and "no" were introduced to limit the variants,
> > for each "only=variant1" the control file would generate a line
> > "only variant1", same for "no". For others, "key = value" is
> > generated.
> > 
> > User still need to be familiar with the test parameters in order to
> > get the intended test matrix.
> > 
> > Change from V3:
> > Use a slightly bigger subset of the config file language
> > by allowing "no" to limit the amount of variants.
> > 
> > Change from V2:
> > Use the args exported by autotest.
> > Analyze the cmd parameters in control and drop control.cli.
> > Drop test_cli.cfg.sample so there's no default variants.
> > Add "only" which is used to limit the varaints.
> > 
> > Change from V1:
> > Drop the wrapper method and use the control file directly.
> > 
> > Signed-off-by: Jason Wang <jasowang@redhat.com>
> > ---
> >  client/tests/kvm/control |   14 ++++++++++++++
> >  1 files changed, 14 insertions(+), 0 deletions(-)
> > 
> > diff --git a/client/tests/kvm/control b/client/tests/kvm/control
> > index 63bbe5d..79c0897 100644
> > --- a/client/tests/kvm/control
> > +++ b/client/tests/kvm/control
> > @@ -53,6 +53,20 @@ str = """
> >  """
> >  tests_cfg = kvm_config.config()
> >  tests_cfg_path = os.path.join(kvm_test_dir, "tests.cfg")
> > +
> > +if args:
> > +    # We get test parameters from command line
> > +    for arg in args:
> > +        try:
> > +            (key, value) = re.findall("(.*)=(.*)", arg)[0]
> > +            if key == "only":
> > +                str += "only %s\n" % value
> > +            if key == "no":
> > +                str += "no %s\n" % value
> > +            else:
> > +                str += "%s = %s\n" % (key, value)
> > +        except IndexError:
> > +            pass
> >  tests_cfg.fork_and_parse(tests_cfg_path, str)
> >  
> >  # Run the tests
> 
> Is it possible to pass multiple names to an 'only' command, e.g.
> only='boot reboot migrate'?  What about values with spaces? (vms='vm1
> vm2 vm3')

No, with this logic is not possible to pass multiple names or values
with spaces, although I don't think the scope of this change is to allow
the full power of the configuration file without using the config file.

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