X-Git-Url: https://osm.etsi.org/gitweb/?a=blobdiff_plain;f=src%2Femuvim%2Fdcemulator%2Fnode.py;h=3f76df9c4779efd954e81603bd91a3468af7369d;hb=d2bbf4505674a8e0ea4f36f9576d53eba2b7af51;hp=7a7fa782194f247e3d4b8a35a2dc4e2ce9ad4153;hpb=972a9f04442e4bb7f7271e998e3893f0fa737fc1;p=osm%2Fvim-emu.git diff --git a/src/emuvim/dcemulator/node.py b/src/emuvim/dcemulator/node.py index 7a7fa78..3f76df9 100755 --- a/src/emuvim/dcemulator/node.py +++ b/src/emuvim/dcemulator/node.py @@ -5,6 +5,8 @@ Distributed Cloud Emulator (dcemulator) from mininet.node import Docker from mininet.link import Link import logging +import time +import json LOG = logging.getLogger("dcemulator") LOG.setLevel(logging.DEBUG) @@ -70,7 +72,7 @@ class Datacenter(object): DC_COUNTER = 1 - def __init__(self, label, metadata={}): + def __init__(self, label, metadata={}, resource_log_path=None): self.net = None # DCNetwork to which we belong # each node (DC) has a short internal name used by Mininet # this is caused by Mininets naming limitations for swtiches etc. @@ -80,6 +82,8 @@ class Datacenter(object): self.label = label # dict to store arbitrary metadata (e.g. latitude and longitude) self.metadata = metadata + # path to which resource information should be logged (e.g. for experiments). None = no logging + self.resource_log_path = resource_log_path # first prototype assumes one "bigswitch" per DC self.switch = None # keep track of running containers @@ -183,6 +187,22 @@ class Datacenter(object): self.net.addLink(d, self.switch, params1=nw, cls=Link) # do bookkeeping self.containers[name] = d + + # write resource log if a path is given + if self.resource_log_path is not None: + l = dict() + l["t"] = time.time() + l["name"] = name + l["compute"] = d.getStatus() + l["flavor_name"] = flavor_name + l["action"] = "allocate" + l["cpu_limit"] = cpu_limit + l["mem_limit"] = mem_limit + l["disk_limit"] = disk_limit + l["rm_state"] = None if self._resource_model is None else self._resource_model.get_state_dict() + # append to logfile + with open(self.resource_log_path, "a") as f: + f.write("%s\n" % json.dumps(l)) return d # we might use UUIDs for naming later on def stopCompute(self, name): @@ -192,6 +212,7 @@ class Datacenter(object): assert name is not None if name not in self.containers: raise Exception("Container with name %s not found." % name) + LOG.debug("Stopping compute instance %r in data center %r" % (name, str(self))) self.net.removeLink( link=None, node1=self.containers[name], node2=self.switch) self.net.removeDocker("%s" % (name)) @@ -199,6 +220,21 @@ class Datacenter(object): # call resource model and free resources if self._resource_model is not None: self._resource_model.free(name) + + # write resource log if a path is given + if self.resource_log_path is not None: + l = dict() + l["t"] = time.time() + l["name"] = name + l["flavor_name"] = None + l["action"] = "free" + l["cpu_limit"] = -1 + l["mem_limit"] = -1 + l["disk_limit"] = -1 + l["rm_state"] = None if self._resource_model is None else self._resource_model.get_state_dict() + # append to logfile + with open(self.resource_log_path, "a") as f: + f.write("%s\n" % json.dumps(l)) return True def listCompute(self):