import threading
import weakref
-reschedule_delay = "1s"
+reschedule_delay = "0.5s"
class ResourceAction:
""" Action that a user can order to a Resource Manager
try:
return func(self, *args, **kwargs)
except:
+ self.fail()
+
import traceback
err = traceback.format_exc()
- self.error(err)
- self.debug("SETTING guid %d to state FAILED" % self.guid)
- self.fail()
+ logger = Logger(self._rtype)
+ logger.error(err)
+ logger.error("SETTING guid %d to state FAILED" % self.guid)
raise
return wrapped
"""
return copy.deepcopy(cls._attributes[name])
-
@classmethod
def get_traces(cls):
""" Returns a copy of the traces
# instance lock to synchronize exclusive state change methods (such
# as deploy and release methods), in order to prevent them from being
- # executed at the same time
+ # executed at the same time and corrupt internal resource state
self._release_lock = threading.Lock()
@property
try:
self.do_release()
except:
+ self.set_released()
+
import traceback
err = traceback.format_exc()
- self.error(err)
-
- self.set_released()
+ msg = " %s guid %d ----- FAILED TO RELEASE ----- \n %s " % (
+ self._rtype, self.guid, err)
+ logger = Logger(self._rtype)
+ logger.debug(msg)
def fail(self):
""" Sets the RM to state FAILED.
:rtype: str
"""
attr = self._attrs[name]
+
+ """
+ A.Q. Commenting due to performance impact
if attr.has_flag(Flags.Global):
self.warning( "Attribute %s is global. Use get_global instead." % name)
+ """
return attr.value
:rtype: str
"""
attr = self._attrs[name]
- return attr.has_changed()
+ return attr.has_changed
def has_flag(self, name, flag):
""" Returns true if the attribute has the flag 'flag'
connected.append(rm)
return connected
+ def is_rm_instance(self, rtype):
+ """ Returns True if the RM is instance of 'rtype'
+
+ :param rtype: Type of the RM we look for
+ :type rtype: str
+ :return: True|False
+ """
+ rclass = ResourceFactory.get_resource_type(rtype)
+ if isinstance(self, rclass):
+ return True
+ return False
+
@failtrap
def _needs_reschedule(self, group, state, time):
""" Internal method that verify if 'time' has elapsed since
# Verify all start conditions are met
for (group, state, time) in start_conditions:
# Uncomment for debug
- unmet = []
- for guid in group:
- rm = self.ec.get_resource(guid)
- unmet.append((guid, rm._state))
-
- self.debug("---- WAITED STATES ---- %s" % unmet )
+ #unmet = []
+ #for guid in group:
+ # rm = self.ec.get_resource(guid)
+ # unmet.append((guid, rm._state))
+ #
+ #self.debug("---- WAITED STATES ---- %s" % unmet )
reschedule, delay = self._needs_reschedule(group, state, time)
if reschedule:
# only can deploy when RM is either NEW, DISCOVERED or PROVISIONED
if self.state not in [ResourceState.NEW, ResourceState.DISCOVERED,
ResourceState.PROVISIONED]:
+ #### XXX: A.Q. IT SHOULD FAIL IF DEPLOY IS CALLED IN OTHER STATES!
reschedule = True
self.debug("---- RESCHEDULING DEPLOY ---- state %s " % self.state )
else:
def do_fail(self):
self.set_failed()
+ self.ec.inform_failure(self.guid)
def set_started(self, time = None):
""" Mark ResourceManager as STARTED """
def set_released(self, time = None):
""" Mark ResourceManager as REALEASED """
self.set_state(ResourceState.RELEASED, "_release_time", time)
- self.debug("----- RELEASED ---- ")
+
+ msg = " %s guid %d ----- RELEASED ----- " % (self._rtype, self.guid)
+ logger = Logger(self._rtype)
+ logger.debug(msg)
def set_failed(self, time = None):
""" Mark ResourceManager as FAILED """
self.set_state(ResourceState.FAILED, "_failed_time", time)
- self.debug("----- FAILED ---- ")
+
+ msg = " %s guid %d ----- FAILED ----- " % (self._rtype, self.guid)
+ logger = Logger(self._rtype)
+ logger.debug(msg)
def set_discovered(self, time = None):
""" Mark ResourceManager as DISCOVERED """