+class EmulatorCompute(Docker):
+ """
+ Emulator specific compute node class.
+ Inherits from Dockernet's Docker host class.
+ Represents a single container connected to a (logical)
+ data center.
+ We can add emulator specific helper functions to it.
+ """
+
+ def __init__(
+ self, name, dimage, **kwargs):
+ logging.debug("Create EmulatorCompute instance: %s" % name)
+ self.datacenter = None # pointer to current DC
+
+ # call original Docker.__init__
+ Docker.__init__(self, name, dimage, **kwargs)
+
+ def getNetworkStatus(self):
+ """
+ Helper method to receive information about the virtual networks
+ this compute instance is connected to.
+ """
+ # format list of tuples (name, Ip, MAC, isUp, status)
+ return [(str(i), i.IP(), i.MAC(), i.isUp(), i.status())
+ for i in self.intfList()]
+
+ def getStatus(self):
+ """
+ Helper method to receive information about this compute instance.
+ """
+ status = {}
+ status["name"] = self.name
+ status["network"] = self.getNetworkStatus()
+ status["image"] = self.dimage
+ status["cpu_quota"] = self.cpu_quota
+ status["cpu_period"] = self.cpu_period
+ status["cpu_shares"] = self.cpu_shares
+ status["cpuset"] = self.cpuset
+ status["mem_limit"] = self.mem_limit
+ status["memswap_limit"] = self.memswap_limit
+ 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.label)
+ return status
+
+