X-Git-Url: https://osm.etsi.org/gitweb/?a=blobdiff_plain;f=src%2Femuvim%2Fdcemulator%2Fresourcemodel%2Fupb%2Fsimple.py;h=1d30733ed4795b6be89f2b6d7e67ca0b82849d28;hb=bb14dab5d7a07c0835da92c128b1a912e8b47b13;hp=ff0c852641cf8bb334dcea4484d3eecaa5e5ce72;hpb=1f176c65521fc56f140aede047081b27341941d6;p=osm%2Fvim-emu.git diff --git a/src/emuvim/dcemulator/resourcemodel/upb/simple.py b/src/emuvim/dcemulator/resourcemodel/upb/simple.py index ff0c852..1d30733 100644 --- a/src/emuvim/dcemulator/resourcemodel/upb/simple.py +++ b/src/emuvim/dcemulator/resourcemodel/upb/simple.py @@ -1,6 +1,8 @@ """ Playground for resource models created by University of Paderborn. """ +import time +import json import logging from emuvim.dcemulator.resourcemodel import BaseResourceModel @@ -31,6 +33,8 @@ class UpbSimpleCloudDcRM(BaseResourceModel): self.dc_alloc_mu = 0 self.deactivate_cpu_limit = deactivate_cpu_limit self.deactivate_mem_limit = deactivate_mem_limit + self.single_cu = 0 + self.single_mu = 0 super(self.__class__, self).__init__() def allocate(self, d): @@ -123,7 +127,7 @@ class UpbSimpleCloudDcRM(BaseResourceModel): # get cpu time fraction for entire emulation e_cpu = self.registrar.e_cpu # calculate cpu time fraction of a single compute unit - single_cu = float(e_cpu) / sum([rm.dc_max_cu for rm in list(self.registrar.resource_models)]) + self.single_cu = float(e_cpu) / sum([rm.dc_max_cu for rm in list(self.registrar.resource_models)]) # calculate cpu time fraction for container with given flavor cpu_time_percentage = single_cu * number_cu # calculate cpu period and quota for CFS @@ -151,13 +155,13 @@ class UpbSimpleCloudDcRM(BaseResourceModel): # get memory amount for entire emulation e_mem = self.registrar.e_mem # calculate amount of memory for a single mu - single_mu = float(e_mem) / sum([rm.dc_max_mu for rm in list(self.registrar.resource_models)]) + self.single_mu = float(e_mem) / sum([rm.dc_max_mu for rm in list(self.registrar.resource_models)]) # calculate mem for given flavor mem_limit = single_mu * number_mu # ATTENTION minimum mem_limit per container is 4MB if mem_limit < 4: mem_limit = 4 - LOG.warning("Increased MEM limit for %r because it was less than 4.0 MB." % name) + LOG.warning("Increased MEM limit for %r because it was less than 4.0 MB." % d.name) # to byte! mem_limit = int(mem_limit*1024*1024) # apply to container if changed @@ -171,7 +175,17 @@ class UpbSimpleCloudDcRM(BaseResourceModel): Helper method for logging functionality. :return: """ - # TODO update + # collect info about all allocated instances + allocation_state = dict() + for k, d in self._allocated_compute_instances.iteritems(): + s = dict() + s["cpu_period"] = d.cpu_period + s["cpu_quota"] = d.cpu_quota + s["cpu_shares"] = d.cpu_shares + s["mem_limit"] = d.mem_limit + s["memswap_limit"] = d.memswap_limit + allocation_state[k] = s + # final result r = dict() r["e_cpu"] = self.registrar.e_cpu r["e_mem"] = self.registrar.e_mem @@ -179,9 +193,9 @@ class UpbSimpleCloudDcRM(BaseResourceModel): r["dc_max_mu"] = self.dc_max_mu r["dc_alloc_cu"] = self.dc_alloc_cu r["dc_alloc_mu"] = self.dc_alloc_mu - r["cu_cpu_percentage"] = -1 - r["mu_mem_percentage"] = -1 - r["allocated_compute_instances"] = None #self._allocated_compute_instances + r["single_cu_percentage"] = self.single_cu + r["single_mu_percentage"] = self.single_mu + r["allocation_state"] = allocation_state return r def _get_flavor(self, d): @@ -194,3 +208,23 @@ class UpbSimpleCloudDcRM(BaseResourceModel): if d.flavor_name not in self._flavors: raise Exception("Flavor %r does not exist" % d.flavor_name) return self._flavors.get(d.flavor_name) + + def _write_log(self, d, path, action): + """ + Helper to log RM info for experiments. + :param d: container + :param path: log path + :param action: allocate or free + :return: + """ + if path is None: + return + # we have a path: write out RM info + l = dict() + l["t"] = time.time() + l["container_state"] = d.getStatus() + l["action"] = action + l["rm_state"] = self.get_state_dict() + # append to logfile + with open(path, "a") as f: + f.write("%s\n" % json.dumps(l))