use first element of array when deleting sliver
[plstackapi.git] / planetstack / core / plus / views.py
1 #views.py
2 import functools
3 import math
4 import os
5 import sys
6 from django.views.generic import TemplateView, View
7 import datetime
8 from pprint import pprint
9 import json
10 from core.models import *
11 from operator import attrgetter
12 from django.views.decorators.csrf import csrf_exempt
13 from django.http import HttpResponse, HttpResponseServerError
14 from django.core import urlresolvers
15 from django.contrib.gis.geoip import GeoIP
16 from ipware.ip import get_ip
17 import traceback
18 import socket
19
20 BLESSED_SITES = ["Stanford", "Washington", "Princeton", "GeorgiaTech", "MaxPlanck"]
21
22 if os.path.exists("/home/smbaker/projects/vicci/cdn/bigquery"):
23     sys.path.append("/home/smbaker/projects/vicci/cdn/bigquery")
24 else:
25     sys.path.append("/opt/planetstack/hpc_wizard")
26 import hpc_wizard
27 from planetstack_analytics import DoPlanetStackAnalytics, PlanetStackAnalytics
28
29 class DashboardWelcomeView(TemplateView):
30     template_name = 'admin/dashboard/welcome.html'
31
32     def get(self, request, *args, **kwargs):
33         context = self.get_context_data(**kwargs)
34         userDetails = getUserSliceInfo(request.user)
35         #context['site'] = userDetails['site']
36
37         context['userSliceInfo'] = userDetails['userSliceInfo']
38         context['cdnData'] = userDetails['cdnData']
39         return self.render_to_response(context=context)
40
41 def getUserSliceInfo(user, tableFormat = False):
42         userDetails = {}
43 #        try:
44 # //           site = Site.objects.filter(id=user.site.id)
45 #  //      except:
46 #   //         site = Site.objects.filter(name="Princeton")
47 #    //    userDetails['sitename'] = site[0].name
48 #     //   userDetails['siteid'] = site[0].id
49
50         userSliceData = getSliceInfo(user)
51         if (tableFormat):
52 #            pprint("*******      GET USER SLICE INFO")
53             userDetails['userSliceInfo'] = userSliceTableFormatter(userSliceData)
54         else:
55             userDetails['userSliceInfo'] = userSliceData
56         userDetails['cdnData'] = getCDNOperatorData();
57 #        pprint( userDetails)
58         return userDetails
59
60 class TenantCreateSlice(View):
61     def post(self, request, *args, **kwargs):
62         sliceName = request.POST.get("sliceName", "0")
63         serviceClass = request.POST.get("serviceClass", "0")
64         imageName = request.POST.get("imageName", "0")
65         actionToDo = request.POST.get("actionToDo", "0")
66         print sliceName
67         if (actionToDo == "add"):
68            serviceClass = ServiceClass.objects.get(name=serviceClass)
69            site = request.user.site
70            #image = Image.objects.get(name=imageName)
71            newSlice = Slice(name=sliceName,serviceClass=serviceClass,site=site,imagePreference=imageName)
72            newSlice.save()
73         return newSlice
74
75
76 def getTenantSliceInfo(user, tableFormat = False):
77     tenantSliceDetails = {}
78     tenantSliceData = getTenantInfo(user)
79     tenantServiceClassData = getServiceClassInfo(user)
80     if (tableFormat):
81        tenantSliceDetails['userSliceInfo'] = userSliceTableFormatter(tenantSliceData)
82        tenantSliceDetails['sliceServiceClass']=userSliceTableFormatter(tenantServiceClassData)
83     else:
84        tenantSliceDetails['userSliceInfo'] = tenantSliceData
85     tenantSliceDetails['sliceServiceClass']=userSliceTableFormatter(tenantServiceClassData)
86     tenantSliceDetails['image']=userSliceTableFormatter(getImageInfo(user))
87     tenantSliceDetails['network']=userSliceTableFormatter(getNetworkInfo(user))
88     tenantSliceDetails['deploymentSites']=userSliceTableFormatter(getDeploymentSites())
89     tenantSliceDetails['sites'] = userSliceTableFormatter(getTenantSitesInfo())
90     tenantSliceDetails['mountDataSets'] = userSliceTableFormatter(getMountDataSets())
91     return tenantSliceDetails
92
93
94 def getTenantInfo(user):
95     slices =Slice.objects.all()
96     userSliceInfo = []
97     for entry in slices:
98        sliceName = Slice.objects.get(id=entry.id).name
99        slice = Slice.objects.get(name=Slice.objects.get(id=entry.id).name)
100        sliceServiceClass = entry.serviceClass.name
101        preferredImage =  entry.imagePreference
102        numSliver = 0
103        sliceImage=""
104        sliceSite = {}
105        for sliver in slice.slivers.all():
106             numSliver +=sliver.numberCores
107            # sliceSite[sliver.deploymentNetwork.name] =sliceSite.get(sliver.deploymentNetwork.name,0) + 1
108             if sliver.node.site.name in BLESSED_SITES:
109                 sliceSite[sliver.node.site.name] = sliceSite.get(sliver.node.site.name,0) + 1
110                 sliceImage = sliver.image.name
111        numSites = len(sliceSite)
112        userSliceInfo.append({'sliceName': sliceName,'sliceServiceClass': sliceServiceClass,'preferredImage':preferredImage,'numOfSites':numSites, 'sliceSite':sliceSite,'sliceImage':sliceImage,'numOfSlivers':numSliver})
113     return userSliceInfo
114
115 def getTenantSitesInfo():
116         tenantSiteInfo=[]
117         for entry in Site.objects.all():
118             if entry.name in BLESSED_SITES:
119                  tenantSiteInfo.append({'siteName':entry.name})
120         return tenantSiteInfo
121
122 def userSliceTableFormatter(data):
123 #    pprint(data)
124     formattedData = {
125                      'rows' : data
126                     }
127     return formattedData
128
129 def getServiceClassInfo(user):
130     serviceClassList = ServiceClass.objects.all()
131     sliceInfo = []
132     for entry in serviceClassList:
133           sliceInfo.append({'serviceClass':entry.name})
134     return sliceInfo
135
136 def getImageInfo(user):
137     #imageList = Image.objects.all()
138     imageList = ['Fedora 16 LXC rev 1.3','Hadoop','MPI']
139     imageInfo = []
140     for imageEntry in imageList:
141           #imageInfo.append({'Image':imageEntry.name})
142           imageInfo.append({'Image':imageEntry})
143     return imageInfo
144
145 def getMountDataSets():
146         dataSetList = ['GenBank','LSST','LHC','NOAA','Measurement Lab','Common Crawl']\r
147         dataSetInfo = []\r
148         for entry in dataSetList:\r
149                 dataSetInfo.append({'DataSet':entry})\r
150         return dataSetInfo
151
152 def getNetworkInfo(user):
153    #networkList = Network.objects.all()
154     networkList = ['Private Only','Private and Publicly Routable']
155     networkInfo = []
156     for networkEntry in networkList:
157           #networkInfo.append({'Network':networkEntry.name})
158           networkInfo.append({'Network':networkEntry})
159     return networkInfo
160
161 def getDeploymentSites():
162     deploymentList = Deployment.objects.all()
163     deploymentInfo = []
164     for entry in deploymentList:
165         deploymentInfo.append({'DeploymentSite':entry.name})
166     return deploymentInfo
167
168 def getSliceInfo(user):
169     sliceList = Slice.objects.all()
170     slicePrivs = SlicePrivilege.objects.filter(user=user)
171     userSliceInfo = []
172     for entry in slicePrivs:
173
174         slicename = Slice.objects.get(id=entry.slice.id).name
175         slice = Slice.objects.get(name=Slice.objects.get(id=entry.slice.id).name)
176         sliverList=Sliver.objects.all()
177         sites_used = {}
178         for sliver in slice.slivers.all():
179              #sites_used['deploymentSites'] = sliver.node.deployment.name
180              # sites_used[sliver.image.name] = sliver.image.name
181              sites_used[sliver.node.site.name] = sliver.numberCores
182         sliceid = Slice.objects.get(id=entry.slice.id).id
183         try:
184             sliverList = Sliver.objects.filter(slice=entry.slice.id)
185             siteList = {}
186             for x in sliverList:
187                if x.node.site not in siteList:
188                   siteList[x.node.site] = 1
189             slivercount = len(sliverList)
190             sitecount = len(siteList)
191         except:
192             traceback.print_exc()
193             slivercount = 0
194             sitecount = 0
195
196         userSliceInfo.append({'slicename': slicename, 'sliceid':sliceid,
197                               'sitesUsed':sites_used,
198                               'role': SliceRole.objects.get(id=entry.role.id).role,
199                               'slivercount': slivercount,
200                               'sitecount':sitecount})
201
202     return userSliceInfo
203
204 def getCDNOperatorData(randomizeData = False):
205     bq = PlanetStackAnalytics()
206
207     #hpc_sliceNames = bq.service_to_sliceNames("HPC Service")
208
209     rows = bq.get_cached_query_results(bq.compose_latest_query())
210
211     #rows = [x for x in rows if x.get("slice","") in hpc_sliceNames]
212
213     rows = bq.postprocess_results(rows, filter={"slice": "HyperCache"}, maxi=["cpu"], count=["hostname"], computed=["bytes_sent/elapsed"], groupBy=["Time","site"])
214
215     bq.merge_datamodel_sites(rows)
216
217     new_rows = {}
218     for row in rows:
219         new_row = {"lat": float(row.get("lat", 0)),
220                "long": float(row.get("long", 0)),
221                "health": 0,
222                "numNodes": int(row.get("numNodes",0)),
223                "numHPCSlivers": int(row.get("count_hostname", 0)),
224                "siteUrl": str(row.get("url", "")),
225                "hot": float(row.get("hotness", 0.0)),
226                "bandwidth": row.get("sum_computed_bytes_sent_div_elapsed",0),
227                "load": int(float(row.get("max_avg_cpu", row.get("max_cpu",0))))}
228         new_rows[str(row["site"])] = new_row
229
230     return new_rows
231
232 class SimulatorView(View):
233     def get(self, request, **kwargs):
234         sim = json.loads(file("/tmp/simulator.json","r").read())
235         text = "<html><head></head><body>"
236         text += "Iteration: %d<br>" % sim["iteration"]
237         text += "Elapsed since report %d<br><br>" % sim["elapsed_since_report"]
238         text += "<table border=1>"
239         text += "<tr><th>site</th><th>trend</th><th>weight</th><th>bytes_sent</th><th>hot</th></tr>"
240         for site in sim["site_load"].values():
241             text += "<tr>"
242             text += "<td>%s</td><td>%0.2f</td><td>%0.2f</td><td>%d</td><td>%0.2f</td>" % \
243                         (site["name"], site["trend"], site["weight"], site["bytes_sent"], site["load_frac"])
244             text += "</tr>"
245         text += "</table>"
246         text += "</body></html>"
247         return HttpResponse(text)
248
249 class DashboardUserSiteView(View):
250     def get(self, request, **kwargs):
251         return HttpResponse(json.dumps(getUserSliceInfo(request.user, True)), mimetype='application/javascript')
252
253 class TenantViewData(View):
254     def get(self, request, **kwargs):
255         return HttpResponse(json.dumps(getTenantSliceInfo(request.user, True)), mimetype='application/javascript')
256
257 def siteSortKey(site, slice=None, count=None, lat=None, lon=None):
258     # try to pick a site we're already using
259     has_slivers_here=False
260     if slice:
261         for sliver in slice.slivers.all():
262             if sliver.node.site.name == site.name:
263                 has_slivers_here=True
264
265     # Haversine method
266     d = 0
267     site_lat = site.location.latitude
268     site_lon = site.location.longitude
269     if lat and lon and site_lat and site_lon:
270         site_lat = float(site_lat)
271         site_lon = float(site_lon)
272         R = 6378.1
273         a = math.sin( math.radians((lat - site_lat)/2.0) )**2 + math.cos( math.radians(lat) )*math.cos( math.radians(site_lat) )*(math.sin( math.radians((lon - site_lon)/2.0 ) )**2)
274         c = 2 * math.atan2( math.sqrt(a), math.sqrt(1 - a) )
275         d = R * c
276
277     return (-has_slivers_here, d)
278
279 def tenant_pick_sites(user, user_ip=None, slice=None, count=None):
280     """ Returns list of sites, sorted from most favorable to least favorable """
281     lat=None
282     lon=None
283     try:
284         client_geo = GeoIP().city(user_ip)
285         if client_geo:
286             lat=float(client_geo["latitude"])
287             lon=float(client_geo["longitude"])
288     except:
289         print "exception in geo code"
290         traceback.print_exc()
291
292     sites = Site.objects.all()
293     sites = [x for x in sites if x.name in BLESSED_SITES]
294     sites = sorted(sites, key=functools.partial(siteSortKey, slice=slice, count=count, lat=lat, lon=lon))
295
296     return sites
297
298 def slice_increase_slivers(user, user_ip, siteList, slice, count, noAct=False):
299     sitesChanged = {}
300
301     # let's compute how many slivers are in use in each node of each site
302     for site in siteList:
303         site.nodeList = list(site.nodes.all())
304         for node in site.nodeList:
305             node.sliverCount = 0
306             for sliver in node.slivers.all():
307                  if sliver.slice.id == slice.id:
308                      node.sliverCount = node.sliverCount + 1
309
310     # Allocate slivers to nodes
311     # for now, assume we want to allocate all slivers from the same site
312     nodes = siteList[0].nodeList
313     while (count>0):
314         # Sort the node list by number of slivers per node, then pick the
315         # node with the least number of slivers.
316         nodes = sorted(nodes, key=attrgetter("sliverCount"))
317         node = nodes[0]
318
319         print "adding sliver at node", node.name, "of site", node.site.name
320
321         if not noAct:
322             sliver = Sliver(name=node.name,
323                         slice=slice,
324                         node=node,
325                         image = Image.objects.all()[0],
326                         creator = User.objects.get(email=user),
327                         deploymentNetwork=node.deployment,
328                         numberCores =1 )
329             sliver.save()
330
331         node.sliverCount = node.sliverCount + 1
332
333         count = count - 1
334
335         sitesChanged[node.site.name] = sitesChanged.get(node.site.name,0) + 1
336
337     return sitesChanged
338
339 def slice_decrease_slivers(user, siteList, slice, count, noAct=False):
340     sitesChanged = {}
341     sliverList ={}
342     if siteList:
343         siteNames = [site.name for site in siteList]
344     else:
345         siteNames = None
346
347     for sliver in slice.slivers.all():
348         if(not siteNames) or (sliver.node.site.name in siteNames):\r
349                 node = sliver.node\r
350                 sliverList[sliver.name]=node.name
351
352     for key in sliverList:
353         if count>0:
354             sliver = Sliver.objects.filter(name=key)[0]\r
355             sliver.delete()\r
356             print "deleting sliver",sliverList[key],"at node",sliver.node.name\r
357             count=count-1\r
358             sitesChanged[sliver.node.site.name] = sitesChanged.get(sliver.node.site.name,0) - 1\r
359 \r
360     return sitesChanged
361
362 class TenantDeleteSliceView(View):
363         def post(self,request):\r
364                 sliceName = request.POST.get("sliceName",None)\r
365                 slice = Slice.objects.get(name=sliceName)\r
366                 print slice, slice.id\r
367                 sliceToDel=Slice(name=sliceName, id=slice.id)\r
368                 sliceToDel.delete()
369
370 class TenantAddOrRemoveSliverView(View):
371     """ Add or remove slivers from a Slice
372
373         Arguments:
374             siteName - name of site. If not specified, PlanetStack will pick the
375                        best site.,
376             actionToDo - [add | rem]
377             count - number of slivers to add or remove
378             sliceName - name of slice
379             noAct - if set, no changes will be made to db, but result will still
380                     show which sites would have been modified.
381
382         Returns:
383             Dictionary of sites that were modified, and the count of nodes
384             that were added or removed at each site.
385     """
386     def post(self, request, *args, **kwargs):
387         siteName = request.POST.get("siteName", None)
388         actionToDo = request.POST.get("actionToDo", None)
389         count = int(request.POST.get("count","0"))
390         sliceName = request.POST.get("slice", None)
391         noAct = request.POST.get("noAct", False)
392
393         if not sliceName:
394             return HttpResponseServerError("No slice name given")
395
396         slice = Slice.objects.get(name=sliceName)
397
398         if siteName:
399             siteList = [Site.objects.get(name=siteName)]
400         else:
401             siteList = None
402
403         if (actionToDo == "add"):
404             user_ip = request.GET.get("ip", get_ip(request))
405             if (siteList is None):
406                 siteList = tenant_pick_sites(user, user_ip, slice, count)
407
408             sitesChanged = slice_increase_slivers(request.user, user_ip, siteList, slice, count, noAct)
409         elif (actionToDo == "rem"):
410             sitesChanged = slice_decrease_slivers(request.user, siteList, slice, count, noAct)
411         else:
412             return HttpResponseServerError("Unknown actionToDo %s" % actionToDo)
413
414         return HttpResponse(json.dumps(sitesChanged), mimetype='application/javascript')
415
416     def get(self, request, *args, **kwargs):
417         request.POST = request.GET
418         return self.post(request, *args, **kwargs)  # for testing REST in browser
419         #return HttpResponseServerError("GET is not supported")
420
421 class TenantPickSitesView(View):
422     """ primarily just for testing purposes """
423     def get(self, request, *args, **kwargs):
424         count = request.GET.get("count","0")
425         slice = request.GET.get("slice",None)
426         if slice:
427             slice = Slice.objects.get(name=slice)
428         ip = request.GET.get("ip", get_ip(request))
429         sites = tenant_pick_sites(request.user, user_ip=ip, count=0, slice=slice)
430         sites = [x.name for x in sites]
431         return HttpResponse(json.dumps(sites), mimetype='application/javascript')
432
433 class DashboardSummaryAjaxView(View):
434     def get(self, request, **kwargs):
435         def avg(x):
436             return float(sum(x))/len(x)
437
438         sites = getCDNOperatorData().values()
439
440         sites = [site for site in sites if site["numHPCSlivers"]>0]
441
442         total_slivers = sum( [site["numHPCSlivers"] for site in sites] )
443         total_bandwidth = sum( [site["bandwidth"] for site in sites] )
444         average_cpu = int(avg( [site["load"] for site in sites] ))
445
446         result= {"total_slivers": total_slivers,
447                 "total_bandwidth": total_bandwidth,
448                 "average_cpu": average_cpu}
449
450         return HttpResponse(json.dumps(result), mimetype='application/javascript')
451
452 class DashboardAddOrRemoveSliverView(View):
453     # TODO: deprecate this view in favor of using TenantAddOrRemoveSliverView
454
455     def post(self, request, *args, **kwargs):
456         siteName = request.POST.get("site", None)
457         actionToDo = request.POST.get("actionToDo", "0")
458
459         siteList = [Site.objects.get(name=siteName)]
460         slice = Slice.objects.get(name="HyperCache")
461
462         if (actionToDo == "add"):
463             user_ip = request.GET.get("ip", get_ip(request))
464             slice_increase_slivers(request.user, user_ip, siteList, slice, 1)
465         elif (actionToDo == "rem"):
466             slice_decrease_slivers(request.user, siteList, slice, 1)
467
468         print '*' * 50
469         print 'Ask for site: ' + siteName + ' to ' + actionToDo + ' another HPC Sliver'
470         return HttpResponse('This is POST request ')
471
472 class DashboardAjaxView(View):
473     def get(self, request, **kwargs):
474         return HttpResponse(json.dumps(getCDNOperatorData(True)), mimetype='application/javascript')
475
476 class DashboardAnalyticsAjaxView(View):
477     def get(self, request, name="hello_world", **kwargs):
478         if (name == "hpcSummary"):
479             return HttpResponse(json.dumps(hpc_wizard.get_hpc_wizard().get_summary_for_view()), mimetype='application/javascript')
480         elif (name == "hpcUserSite"):
481             return HttpResponse(json.dumps(getUserSliceInfo(request.user, True)), mimetype='application/javascript')
482         elif (name == "hpcMap"):
483             return HttpResponse(json.dumps(getCDNOperatorData(True)), mimetype='application/javascript')
484         elif (name == "bigquery"):
485             (mimetype, data) = DoPlanetStackAnalytics(request)
486             return HttpResponse(data, mimetype=mimetype)
487         else:
488             return HttpResponse(json.dumps("Unknown"), mimetype='application/javascript')
489