planetstack/core/dashboard/views/view_common.py

   1 import os
   2 import sys
   3 from django.views.generic import TemplateView, View
   4 import datetime
   5 from pprint import pprint
   6 import json
   7 from syndicate_storage.models import *
   8 from core.models import *
   9 from hpc.models import ContentProvider
  10 from operator import attrgetter
  11 from django import template
  12 from django.views.decorators.csrf import csrf_exempt
  13 from django.http import HttpResponse, HttpResponseServerError, HttpResponseForbidden
  14 from django.core import urlresolvers
  15 from django.contrib.gis.geoip import GeoIP
  16 from django.db.models import Q
  17 from ipware.ip import get_ip
  18 from operator import itemgetter, attrgetter
  19 import traceback
  20 import math
  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 from planetstack_analytics import DoPlanetStackAnalytics, PlanetStackAnalytics, RED_LOAD, BLUE_LOAD
  27
  28 def getDashboardContext(user, context={}, tableFormat = False):
  29         context = {}
  30
  31         userSliceData = getSliceInfo(user)
  32         if (tableFormat):
  33             context['userSliceInfo'] = userSliceTableFormatter(userSliceData)
  34         else:
  35             context['userSliceInfo'] = userSliceData
  36         context['cdnData'] = getCDNOperatorData(wait=False)
  37         context['cdnContentProviders'] = getCDNContentProviderData()
  38
  39         (dashboards, unusedDashboards)= getDashboards(user)
  40         unusedDashboards=[x for x in unusedDashboards if x!="Customize"]
  41         context['dashboards'] = dashboards
  42         context['unusedDashboards'] = unusedDashboards
  43
  44         return context
  45
  46 def getDashboards(user):
  47     dashboards = user.get_dashboards()
  48
  49     dashboard_names = [d.name for d in dashboards]
  50
  51     unused_dashboard_names = []
  52     for dashboardView in DashboardView.objects.all():
  53         if not dashboardView.name in dashboard_names:
  54             unused_dashboard_names.append(dashboardView.name)
  55
  56     return (dashboard_names, unused_dashboard_names)
  57
  58 def getSliceInfo(user):
  59     sliceList = Slice.objects.all()
  60     slicePrivs = SlicePrivilege.objects.filter(user=user)
  61     userSliceInfo = []
  62     for entry in slicePrivs:
  63
  64         slice = Slice.objects.filter(id=entry.slice.id)
  65         if not slice:
  66             # the privilege is to a slice that doesn't exist
  67             print "data model consistency problem, slice %s doesn't exist" % entry.slice.id
  68             continue
  69         slice = slice[0]
  70         slicename = slice.name
  71         sliverList=Sliver.objects.all()
  72         sites_used = {}
  73         for sliver in slice.slivers.all():
  74              #sites_used['deploymentSites'] = sliver.node.deployment.name
  75              # sites_used[sliver.image.name] = sliver.image.name
  76              sites_used[sliver.node.site_deployment.site] = 1 #sliver.numberCores
  77         sliceid = Slice.objects.get(id=entry.slice.id).id
  78         try:
  79             sliverList = Sliver.objects.filter(slice=entry.slice.id)
  80             siteList = {}
  81             for x in sliverList:
  82                if x.node.site_deployment.site not in siteList:
  83                   siteList[x.node.site_deployment.site] = 1
  84             slivercount = len(sliverList)
  85             sitecount = len(siteList)
  86         except:
  87             traceback.print_exc()
  88             slivercount = 0
  89             sitecount = 0
  90
  91         userSliceInfo.append({'slicename': slicename, 'sliceid':sliceid,
  92                               'sitesUsed':sites_used,
  93                               'role': SliceRole.objects.get(id=entry.role.id).role,
  94                               'slivercount': slivercount,
  95                               'sitecount':sitecount})
  96
  97     return userSliceInfo
  98
  99 def getCDNContentProviderData():
 100     cps = []
 101     for dm_cp in ContentProvider.objects.all():
 102         cp = {"name": dm_cp.name,
 103               "account": dm_cp.account}
 104         cps.append(cp)
 105
 106     return cps
 107
 108 def getCDNOperatorData(randomizeData = False, wait=True):
 109     HPC_SLICE_NAME = "HyperCache"
 110
 111     bq = PlanetStackAnalytics()
 112
 113     rows = bq.get_cached_query_results(bq.compose_cached_query(), wait)
 114
 115     # wait=False on the first time the Dashboard is opened. This means we might
 116     # not have any rows yet. The dashboard code polls every 30 seconds, so it
 117     # will eventually pick them up.
 118
 119     if rows:
 120         rows = bq.postprocess_results(rows, filter={"event": "hpc_heartbeat"}, maxi=["cpu"], count=["hostname"], computed=["bytes_sent/elapsed"], groupBy=["Time","site"], maxDeltaTime=80)
 121
 122         # dictionaryize the statistics rows by site name
 123         stats_rows = {}
 124         for row in rows:
 125             stats_rows[row["site"]] = row
 126     else:
 127         stats_rows = {}
 128
 129     slice = Slice.objects.filter(name=HPC_SLICE_NAME)
 130     if slice:
 131         slice_slivers = list(slice[0].slivers.all())
 132     else:
 133         slice_slivers = []
 134
 135     new_rows = {}
 136     for site in Site.objects.all():
 137         # compute number of slivers allocated in the data model
 138         allocated_slivers = 0
 139         for sliver in slice_slivers:
 140             if sliver.node.site == site:
 141                 allocated_slivers = allocated_slivers + 1
 142
 143         stats_row = stats_rows.get(site.name,{})
 144
 145         max_cpu = stats_row.get("max_avg_cpu", stats_row.get("max_cpu",0))
 146         cpu=float(max_cpu)/100.0
 147         hotness = max(0.0, ((cpu*RED_LOAD) - BLUE_LOAD)/(RED_LOAD-BLUE_LOAD))
 148
 149         try:
 150            lat=float(site.location.latitude)
 151            long=float(site.location.longitude)
 152         except:
 153            lat=0
 154            long=0
 155
 156         # format it to what that CDN Operations View is expecting
 157         new_row = {"lat": lat,
 158                "long": long,
 159                "health": 0,
 160                #"numNodes": int(site.nodes.count()),
 161                "activeHPCSlivers": int(stats_row.get("count_hostname", 0)),     # measured number of slivers, from bigquery statistics
 162                "numHPCSlivers": allocated_slivers,                              # allocated number of slivers, from data model
 163                "siteUrl": str(site.site_url),
 164                "bandwidth": stats_row.get("sum_computed_bytes_sent_div_elapsed",0),
 165                "load": max_cpu,
 166                "hot": float(hotness)}
 167         new_rows[str(site.name)] = new_row
 168
 169     # get rid of sites with 0 slivers that overlap other sites with >0 slivers
 170     for (k,v) in new_rows.items():
 171         bad=False
 172         if v["numHPCSlivers"]==0:
 173             for v2 in new_rows.values():
 174                 if (v!=v2) and (v2["numHPCSlivers"]>=0):
 175                     d = haversine(v["lat"],v["long"],v2["lat"],v2["long"])
 176                     if d<100:
 177                          bad=True
 178             if bad:
 179                 del new_rows[k]
 180
 181     return new_rows
 182
 183 def slice_increase_slivers(user, user_ip, siteList, slice, image, count, noAct=False):
 184     sitesChanged = {}
 185
 186     # let's compute how many slivers are in use in each node of each site
 187     for site in siteList:
 188         site.nodeList = list(site.nodes.all())
 189         for node in site.nodeList:
 190             node.sliverCount = 0
 191             for sliver in node.slivers.all():
 192                  if sliver.slice.id == slice.id:
 193                      node.sliverCount = node.sliverCount + 1
 194
 195     # Allocate slivers to nodes
 196     # for now, assume we want to allocate all slivers from the same site
 197     nodes = siteList[0].nodeList
 198     while (count>0):
 199         # Sort the node list by number of slivers per node, then pick the
 200         # node with the least number of slivers.
 201         nodes = sorted(nodes, key=attrgetter("sliverCount"))
 202         node = nodes[0]
 203
 204         print "adding sliver at node", node.name, "of site", node.site.name
 205
 206         if not noAct:
 207             sliver = Sliver(name=node.name,
 208                         slice=slice,
 209                         node=node,
 210                         image = image,
 211                         creator = User.objects.get(email=user),
 212                         deploymentNetwork=node.deployment)
 213             sliver.save()
 214
 215         node.sliverCount = node.sliverCount + 1
 216
 217         count = count - 1
 218
 219         sitesChanged[node.site.name] = sitesChanged.get(node.site.name,0) + 1
 220
 221     return sitesChanged
 222
 223 def slice_decrease_slivers(user, siteList, slice, count, noAct=False):
 224     sitesChanged = {}
 225     if siteList:
 226         siteNames = [site.name for site in siteList]
 227     else:
 228         siteNames = None
 229
 230     for sliver in list(slice.slivers.all()):
 231         if count>0:
 232             if(not siteNames) or (sliver.node.site.name in siteNames):
 233                 sliver.delete()\r
 234                 print "deleting sliver",sliver.name,"at node",sliver.node.name\r
 235                 count=count-1\r
 236                 sitesChanged[sliver.node.site.name] = sitesChanged.get(sliver.node.site.name,0) - 1\r
 237 \r
 238     return sitesChanged
 239
 240 def haversine(site_lat, site_lon, lat, lon):
 241     d=0
 242     if lat and lon and site_lat and site_lon:
 243         site_lat = float(site_lat)
 244         site_lon = float(site_lon)
 245         lat = float(lat)
 246         lon = float(lon)
 247         R = 6378.1
 248         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)
 249         c = 2 * math.atan2( math.sqrt(a), math.sqrt(1 - a) )
 250         d = R * c
 251
 252     return d
 253
 254 def userSliceTableFormatter(data):
 255     formattedData = {
 256                      'rows' : data
 257                     }
 258     return formattedData