X-Git-Url: https://osm.etsi.org/gitweb/?a=blobdiff_plain;f=src%2Femuvim%2Fdcemulator%2Fnode.py;h=3258a9f2143b606a97424d23dba93837f4b1ed2c;hb=461941c38b3981b78fa9238bc5b4282b08c7bac3;hp=1229b8de4b47360879a0d9505d40e4d257ff626c;hpb=71e56765bc53fe0882b57a438db3c099247f0b96;p=osm%2Fvim-emu.git diff --git a/src/emuvim/dcemulator/node.py b/src/emuvim/dcemulator/node.py index 1229b8d..3258a9f 100755 --- a/src/emuvim/dcemulator/node.py +++ b/src/emuvim/dcemulator/node.py @@ -4,6 +4,7 @@ Distributed Cloud Emulator (dcemulator) """ from mininet.node import Docker from mininet.link import Link +from emuvim.dcemulator.resourcemodel import NotEnoughResourcesAvailable import logging import time import json @@ -38,7 +39,7 @@ class EmulatorCompute(Docker): 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()) + return [{'intf_name':str(i), 'ip':i.IP(), 'mac':i.MAC(), 'up':i.isUp(), 'status':i.status()} for i in self.intfList()] def getStatus(self): @@ -48,6 +49,7 @@ class EmulatorCompute(Docker): status = {} status["name"] = self.name status["network"] = self.getNetworkStatus() + status["docker_network"] = self.dcinfo['NetworkSettings']['IPAddress'] status["image"] = self.dimage status["flavor_name"] = self.flavor_name status["cpu_quota"] = self.cpu_quota @@ -132,7 +134,7 @@ class Datacenter(object): raise Exception("Container with name %s already exists." % name) # set default parameter if image is None: - image = "ubuntu" + image = "ubuntu:trusty" if network is None: network = {} # {"ip": "10.0.0.254/8"} if isinstance(network, dict): @@ -152,15 +154,22 @@ class Datacenter(object): # apply resource limits to container if a resource model is defined if self._resource_model is not None: - self._resource_model.allocate(d) - self._resource_model.write_allocation_log(d, self.resource_log_path) + try: + self._resource_model.allocate(d) + self._resource_model.write_allocation_log(d, self.resource_log_path) + except NotEnoughResourcesAvailable as ex: + LOG.warning("Allocation of container %r was blocked by resource model." % name) + LOG.info(ex.message) + # ensure that we remove the container + self.net.removeDocker(name) + return None # connect all given networks # if no --net option is given, network = [{}], so 1 empty dict in the list # this results in 1 default interface with a default ip address for nw in network: # TODO we cannot use TCLink here (see: https://github.com/mpeuster/dockernet/issues/3) - self.net.addLink(d, self.switch, params1=nw, cls=Link) + self.net.addLink(d, self.switch, params1=nw, cls=Link, intfName1=nw.get('id')) # do bookkeeping self.containers[name] = d return d # we might use UUIDs for naming later on @@ -174,6 +183,10 @@ class Datacenter(object): raise Exception("Container with name %s not found." % name) LOG.debug("Stopping compute instance %r in data center %r" % (name, str(self))) + # stop the monitored metrics + if self.net.monitor_agent is not None: + self.net.monitor_agent.stop_metric(name) + # call resource model and free resources if self._resource_model is not None: self._resource_model.free(self.containers[name])