from django.contrib.auth import authenticate, login, logout from django.template import RequestContext from django.shortcuts import render, render_to_response from manifoldapi.manifoldresult import ManifoldResult from ui.topmenu import topmenu_items, the_user from myslice.configengine import ConfigEngine from manifold.core.query import Query from unfold.page import Page from manifoldapi.manifoldapi import execute_admin_query, execute_query from unfold.loginrequired import LoginRequiredAutoLogoutView from myslice.theme import ThemeView import json import hashlib import datetime import urllib2 import ast from django.views.decorators.csrf import csrf_exempt from django.http import * def response_mimetype(request): if "application/json" in request.META['HTTP_ACCEPT']: return "application/json" else: return "text/plain" def json_to_rest(url, data ): req = urllib2.Request(url) req.add_header('Content-Type', 'application/json') response = urllib2.urlopen(req, json.dumps(data)) if data == "a": mylist = ast.literal_eval(response.read()) else: mylist = response.read().translate(None, '"[]').split(",") return (mylist) def unix_to_timestamp(timest): try: return datetime.datetime.fromtimestamp(int(timest)).strftime('%Y-%m-%d %H:%M:%S') except: return timest def timestamp_to_unix(timest): try: pass except: pass def slice_to_exp(slices_users): experiments = {} testbeds = {} for slice in slices_users: nodes={} leases = slice['lease'] if leases is not None: for lease in leases: resource = lease['resource'] start_t = lease['start_time'] end_t = lease['end_time'] #node = lease['resource'] testbed_start = resource.index('IDN+')+4 testbed_end = resource.index('+node+') testbed = resource[testbed_start:testbed_end] node = resource[testbed_end+6:] if testbed in testbeds: if node not in testbeds[testbed]: testbeds[testbed].append(node) else: testbeds[testbed] = [node] #group nodes in consecutive timeslots if not node in nodes: nodes[node]={str(start_t):{'start_t':start_t, 'nodes':node, 'end_t':end_t}} else: if not str(start_t) in nodes[node]: f=0 for n in nodes[node]: if n[str(end_t)] == start_t: n[str(end_t)] == end_t f=1 if f==0: nodes[node][str(start_t)]={'start_t':start_t, 'nodes':node, 'end_t':end_t} #group grouped nodes in experiments for n in nodes: for exp in nodes[n]: key = str(exp) + str(nodes[n][exp]['end_t']) if key not in experiments: experiments[key]={'slice_hrn':slice['slice_hrn'], \ 'start':nodes[n][exp]['start_t'], 'end':nodes[n][exp]['end_t'], 'nodes':[nodes[n][exp]['nodes']]} elif nodes[n][exp]['end_t'] == experiments[key]['end']: experiments[key]['nodes'].append(nodes[n][exp]['nodes']) return (experiments,testbeds) class ReputationView (LoginRequiredAutoLogoutView, ThemeView): template_name = 'reputation.html' # expose this so we can mention the backend URL on the welcome page def default_env (self): return { 'MANIFOLD_URL':ConfigEngine().manifold_url(), } def post (self,request): env = self.default_env() env['theme'] = self.theme return render_to_response(self.template, env, context_instance=RequestContext(request)) def get (self, request, state=None): env = self.default_env() ##### *** Reputation Plugin-specific START *** ############ #The following 'if' is a dirty way for bypassing the JS AJAX cross-domain prevention policy...not pretty if request.GET.has_key(u'slicedata[user_eval][overall]'): dict_to_send = {} dict_to_send['eid'] = str(request.GET[u'slicedata[id]']) dict_to_send['slice_hrn'] = str(request.GET[u'slicedata[slice_hrn]']) dict_to_send['user_hrn'] = str(request.GET[u'slicedata[user_hrn]']) dict_to_send['start_tunix'] = str(request.GET[u'slicedata[start_tunix]']) dict_to_send['end_tunix'] = str(request.GET[u'slicedata[end_tunix]']) dict_to_send['start_t'] = str(request.GET[u'slicedata[start_t]']) dict_to_send['end_t'] = str(request.GET[u'slicedata[end_t]']) dict_to_send['testbeds'] = ast.literal_eval(str(request.GET[u'testbeds'])) dict_to_send['user_eval'] = {} dict_to_send['user_eval']['reuse'] = str(request.GET[u'slicedata[user_eval][reuse]']) dict_to_send['user_eval']['availability'] = str(request.GET[u'slicedata[user_eval][availability]']) dict_to_send['user_eval']['pay'] = str(request.GET[u'slicedata[user_eval][pay]']) dict_to_send['user_eval']['support'] = str(request.GET[u'slicedata[user_eval][support]']) dict_to_send['user_eval']['overall'] = str(request.GET[u'slicedata[user_eval][overall]']) dict_to_send['user_eval']['link_quality'] = str(request.GET[u'slicedata[user_eval][link_quality]']) dict_to_send['user_eval']['problems'] = str(request.GET[u'slicedata[user_eval][problems]']) dict_to_send['user_eval']['quality'] = str(request.GET[u'slicedata[user_eval][quality]']) slicedata_received = json_to_rest('http://survivor.lab.netmode.ntua.gr:4567/reputation/json', dict_to_send ) return HttpResponse(json.dumps(slicedata_received), content_type = response_mimetype(self.request)) slices_users = [] #get slices userslice_query = Query().get('slice').select('slice_urn', 'slice_hrn', 'users', 'resource', 'lease') slice_details = execute_query(self.request, userslice_query) #get local users local_user_query = Query().get('local:user').select('email','status','config') local_user_details = execute_admin_query(self.request, local_user_query) #get users - create dict[email]=hrn user_query = Query().get('user').select('user_hrn','user_urn','user_email') user_details = execute_admin_query(self.request, user_query) users_hrn = {} for item in user_details: users_hrn[item['user_email']] = item['user_hrn'] #get currenct username (email) if request.user.is_authenticated(): cur_username = request.user.username #get a list of all the slices for the logged in user testbeds = [] for slice in slice_details: if users_hrn[cur_username] in slice['users']: slices_users.append({'slice_hrn':slice['slice_hrn'], 'user':cur_username, 'user_hrn':users_hrn[cur_username] \ , 'resource':slice['resource'], 'lease':slice['lease'] }) env['slices_users'] = slices_users ### For logging #####create slicelist for template & JSON experiments,testbeds = slice_to_exp(slices_users) all_exp = [] iddata = [] for exp in experiments: experiment = {} experiment['slice_hrn'] = experiments[exp]['slice_hrn'] experiment['user_hrn'] = users_hrn[cur_username] experiment['start_tunix'] = experiments[exp]['start'] experiment['end_tunix'] = experiments[exp]['end'] experiment['start_t'] = unix_to_timestamp(experiments[exp]['start']) experiment['end_t'] = unix_to_timestamp(experiments[exp]['end']) experiment['testbeds'] = {} for exp_node in experiments[exp]['nodes']: list_testbeds = [ key for key,val in testbeds.items()] for tkey in list_testbeds: if exp_node in testbeds[tkey]: if tkey in experiment['testbeds']: if exp_node not in experiment['testbeds'][tkey]: experiment['testbeds'][tkey].append(exp_node) else: experiment['testbeds'][tkey] = [exp_node] tempid = hashlib.sha1(str(experiment)).hexdigest() experiment['id'] = tempid iddata.append(tempid) all_exp.append(experiment) ###### Check which experiments have not been rated yet. Pop from all_exp any experiment that has already been rated unrated_exp = json_to_rest('http://survivor.lab.netmode.ntua.gr:4567/reputation/qid', iddata) for item in all_exp: if item['id'] in unrated_exp: pass else: all_exp.pop(all_exp.index(item)) ###### Get Reputation values from Reputation DB reps = json_to_rest('http://survivor.lab.netmode.ntua.gr:4567/reputation/showrep', "a") #env['logging_test'] = reps #create a services list and a dict containing the services for each testbed serv_per_tb = {} services = [] for item in reps: serv_per_tb[item['testbed']]=[] for serv in item['services']: if serv.keys()[0] not in services: services.append(serv.keys()[0]) serv_per_tb[item['testbed']].append(serv.keys()[0]) #in json, sevices are in the form: 'services':[{'serv1':x}, {'serv2':y}], so we transform it to 'services':[x,y] based on # the services dict above. If for a specific service there is no applicable value, we put N/A for testbed in reps: d = list(testbed['services']) del testbed['services'] testbed['services'] = [] for s in services: set_v = 0 for i in d: try: testbed['services'].append(i[s]) set_v=1 except: pass if set_v == 0 : testbed['services'].append('N/A') ###### Pass variables to template env['logging_test'] = json.dumps(all_exp, ensure_ascii=False) env['serv_per_tb'] = json.dumps(serv_per_tb, ensure_ascii=False) env['reputation'] = reps env['rep_serv'] = services env['slicelist'] = all_exp env['json_data'] = json.dumps(all_exp, ensure_ascii=False) ###### *** Reputation Plugin-specific END *** ############ if request.user.is_authenticated(): env['person'] = self.request.user else: env['person'] = None env['theme'] = self.theme #env['user_list']= user_list env['username']=the_user(request) env['topmenu_items'] = topmenu_items(None, request) if state: env['state'] = state elif not env['username']: env['state'] = None # use one or two columns for the layout - not logged in users will see the login prompt env['layout_1_or_2']="layout-unfold2.html" if not env['username'] else "layout-unfold1.html" return render_to_response(self.template, env, context_instance=RequestContext(request))