status["state"] = self.dcli.inspect_container(self.dc)["State"]
status["id"] = self.dcli.inspect_container(self.dc)["Id"]
status["datacenter"] = (None if self.datacenter is None
- else self.datacenter.name)
+ else self.datacenter.label)
return status
Will also implement resource bookkeeping in later versions.
"""
- def __init__(self, name):
+ DC_COUNTER = 1
+
+ def __init__(self, label, metadata={}):
self.net = None # DCNetwork to which we belong
- self.name = name
+ # each node (DC) has a short internal name used by Mininet
+ # this is caused by Mininets naming limitations for swtiches etc.
+ self.name = "dc%d" % Datacenter.DC_COUNTER
+ Datacenter.DC_COUNTER += 1
+ # use this for user defined names that can be longer than self.name
+ self.label = label
+ # dict to store arbitrary metadata (e.g. latitude and longitude)
+ self.metadata = metadata
self.switch = None # first prototype assumes one "bigswitch" per DC
self.containers = {} # keep track of running containers
data center.
"""
return list(self.containers.itervalues())
+
+ def getStatus(self):
+ """
+ Return a dict with status information about this DC.
+ """
+ return {
+ "label": self.label,
+ "internalname": self.name,
+ "switch": self.switch.name,
+ "n_running_containers": len(self.containers),
+ "metadata": self.metadata
+ }