def __init__(self, pnode, event_callback,
create_event_subscriber, destroy_event_subscriber):
"""
Creates a PlatformDriver instance.
@param pnode Root PlatformNode defining the platform network
rooted at this platform.
@param event_callback Callback to notify platform agent about events
generated by this driver.
This is captured in self._send_event for this
class and subclasses to call as needed.
@param create_event_subscriber
@param destroy_event_subscriber
functions to create/destroy any needed EventSubscriber's,
in particular regarding the Managed Endpoint API.
"""
#
# NOTE the "pnode" parameter may be not very "standard" but it is the
# current convenient mechanism that captures the overall definition
# of the corresponding platform (most of which coming from configuration)
#
self._pnode = pnode
self._send_event = event_callback
self._create_event_subscriber = create_event_subscriber
self._destroy_event_subscriber = destroy_event_subscriber
self._platform_id = self._pnode.platform_id
if self._pnode.parent:
self._parent_platform_id = self._pnode.parent.platform_id
else:
self._parent_platform_id = None
self._platform_attributes = \
dict((a.attr_id, a.defn) for a in self._pnode.attrs.itervalues())
if log.isEnabledFor(logging.DEBUG):
log.debug("%r: PlatformDriver constructor called: pnode:\n%s\n"
"_platform_attributes=%s",
self._platform_id,
NetworkUtil._dump_pnode(self._pnode, include_subplatforms=False),
self._platform_attributes)
self._driver_config = None
self._resource_schema = {}
# The parameter dictionary.
self._param_dict = {}
# construct FSM and start it with initial state UNCONFIGURED:
self._construct_fsm()
self._fsm.start(PlatformDriverState.UNCONFIGURED)
def _configure(self, config):
"""
Configures this driver. In this base class it basically
calls validate_driver_configuration and then assigns the given
config to self._driver_config.
@param driver_config Driver configuration.
"""
#
# NOTE the "pnode" parameter may be not very "standard" but it is the
# current convenient mechanism that captures the overall definition
# of the corresponding platform (most of which coming from configuration)
#
# Use the network definition provided by RSN OMS directly.
rsn_oms = CIOMSClientFactory.create_instance()
network_definition = RsnOmsUtil.build_network_definition(rsn_oms)
CIOMSClientFactory.destroy_instance(rsn_oms)
platform_id = 'LJ01D'
self._pnode = network_definition.pnodes[platform_id]
#self._pnode = config.get('pnode')
self._platform_id = self._pnode.platform_id
if self._pnode.parent:
self._parent_platform_id = self._pnode.parent.platform_id
else:
self._parent_platform_id = None
self._platform_attributes = \
dict((a.attr_id, a.defn) for a in self._pnode.attrs.itervalues())
log.debug("%r: PlatformDriver constructor called: pnode:\n%s\n"
"_platform_attributes=%s",
self._platform_id,
NetworkUtil._dump_pnode(self._pnode, include_subplatforms=False),
self._platform_attributes)
self.validate_driver_configuration(config)
self._driver_config = config
