Add minimum and maximum on port option

oslo.config can use minimum and maximum to support the ability to
set valid range on port option values

Change-Id: Idd182617cd500a7ed91ff18933bc989764c310db

ironic/api/__init__.py

@@ -23,6 +23,7 @@ API_SERVICE_OPTS = [
                help=_('The IP address on which ironic-api listens.')),
     cfg.IntOpt('port',
                default=6385,
+               min=1, max=65535,
                help=_('The TCP port on which ironic-api listens.')),
     cfg.IntOpt('max_limit',
                default=1000,

ironic/common/image_service.py

@@ -50,6 +50,7 @@ glance_opts = [
                help=_('Default glance hostname or IP address.')),
     cfg.IntOpt('glance_port',
                default=9292,
+               min=1, max=65535,
                help=_('Default glance port.')),
     cfg.StrOpt('glance_protocol',
                default='http',

ironic/drivers/modules/ilo/common.py

@@ -45,6 +45,7 @@ opts = [
                help=_('Timeout (in seconds) for iLO operations')),
     cfg.IntOpt('client_port',
                default=443,
+               min=1, max=65535,
                help=_('Port to be used for iLO operations')),
     cfg.StrOpt('swift_ilo_container',
                default='ironic_ilo_container',

ironic/drivers/modules/virtualbox.py

@@ -48,6 +48,7 @@ VIRTUALBOX_TO_IRONIC_POWER_MAPPING = {
 opts = [
     cfg.IntOpt('port',
                default=18083,
+               min=1, max=65535,
                help=_('Port on which VirtualBox web service is listening.')),
 ]
 CONF = cfg.CONF