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.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         slicename = Slice.objects.get(id=entry.slice.id).name
  65         slice = Slice.objects.get(name=Slice.objects.get(id=entry.slice.id).name)
  66         sliverList=Sliver.objects.all()
  67         sites_used = {}
  68         for sliver in slice.slivers.all():
  69              #sites_used['deploymentSites'] = sliver.node.deployment.name
  70              # sites_used[sliver.image.name] = sliver.image.name
  71              sites_used[sliver.node.site.name] = sliver.numberCores
  72         sliceid = Slice.objects.get(id=entry.slice.id).id
  73         try:
  74             sliverList = Sliver.objects.filter(slice=entry.slice.id)
  75             siteList = {}
  76             for x in sliverList:
  77                if x.node.site not in siteList:
  78                   siteList[x.node.site] = 1
  79             slivercount = len(sliverList)
  80             sitecount = len(siteList)
  81         except:
  82             traceback.print_exc()
  83             slivercount = 0
  84             sitecount = 0
  85
  86         userSliceInfo.append({'slicename': slicename, 'sliceid':sliceid,
  87                               'sitesUsed':sites_used,
  88                               'role': SliceRole.objects.get(id=entry.role.id).role,
  89                               'slivercount': slivercount,
  90                               'sitecount':sitecount})
  91
  92     return userSliceInfo
  93
  94 def getCDNContentProviderData():
  95     cps = []
  96     for dm_cp in ContentProvider.objects.all():
  97         cp = {"name": dm_cp.name,
  98               "account": dm_cp.account}
  99         cps.append(cp)
 100
 101     return cps
 102
 103 def getCDNOperatorData(randomizeData = False, wait=True):
 104     HPC_SLICE_NAME = "HyperCache"
 105
 106     bq = PlanetStackAnalytics()
 107
 108     rows = bq.get_cached_query_results(bq.compose_cached_query(), wait)
 109
 110     # wait=False on the first time the Dashboard is opened. This means we might
 111     # not have any rows yet. The dashboard code polls every 30 seconds, so it
 112     # will eventually pick them up.
 113
 114     if rows:
 115         rows = bq.postprocess_results(rows, filter={"event": "hpc_heartbeat"}, maxi=["cpu"], count=["hostname"], computed=["bytes_sent/elapsed"], groupBy=["Time","site"], maxDeltaTime=80)
 116
 117         # dictionaryize the statistics rows by site name
 118         stats_rows = {}
 119         for row in rows:
 120             stats_rows[row["site"]] = row
 121     else:
 122         stats_rows = {}
 123
 124     slice = Slice.objects.filter(name=HPC_SLICE_NAME)
 125     if slice:
 126         slice_slivers = list(slice[0].slivers.all())
 127     else:
 128         slice_slivers = []
 129
 130     new_rows = {}
 131     for site in Site.objects.all():
 132         # compute number of slivers allocated in the data model
 133         allocated_slivers = 0
 134         for sliver in slice_slivers:
 135             if sliver.node.site == site:
 136                 allocated_slivers = allocated_slivers + 1
 137
 138         stats_row = stats_rows.get(site.name,{})
 139
 140         max_cpu = stats_row.get("max_avg_cpu", stats_row.get("max_cpu",0))
 141         cpu=float(max_cpu)/100.0
 142         hotness = max(0.0, ((cpu*RED_LOAD) - BLUE_LOAD)/(RED_LOAD-BLUE_LOAD))
 143
 144         # format it to what that CDN Operations View is expecting
 145         new_row = {"lat": float(site.location.longitude),
 146                "long": float(site.location.longitude),
 147                "lat": float(site.location.latitude),
 148                "health": 0,
 149                "numNodes": int(site.nodes.count()),
 150                "activeHPCSlivers": int(stats_row.get("count_hostname", 0)),     # measured number of slivers, from bigquery statistics
 151                "numHPCSlivers": allocated_slivers,                              # allocated number of slivers, from data model
 152                "siteUrl": str(site.site_url),
 153                "bandwidth": stats_row.get("sum_computed_bytes_sent_div_elapsed",0),
 154                "load": max_cpu,
 155                "hot": float(hotness)}
 156         new_rows[str(site.name)] = new_row
 157
 158     # get rid of sites with 0 slivers that overlap other sites with >0 slivers
 159     for (k,v) in new_rows.items():
 160         bad=False
 161         if v["numHPCSlivers"]==0:
 162             for v2 in new_rows.values():
 163                 if (v!=v2) and (v2["numHPCSlivers"]>=0):
 164                     d = haversine(v["lat"],v["long"],v2["lat"],v2["long"])
 165                     if d<100:
 166                          bad=True
 167             if bad:
 168                 del new_rows[k]
 169
 170     return new_rows
 171
 172 def slice_increase_slivers(user, user_ip, siteList, slice, count, noAct=False):
 173     sitesChanged = {}
 174
 175     # let's compute how many slivers are in use in each node of each site
 176     for site in siteList:
 177         site.nodeList = list(site.nodes.all())
 178         for node in site.nodeList:
 179             node.sliverCount = 0
 180             for sliver in node.slivers.all():
 181                  if sliver.slice.id == slice.id:
 182                      node.sliverCount = node.sliverCount + 1
 183
 184     # Allocate slivers to nodes
 185     # for now, assume we want to allocate all slivers from the same site
 186     nodes = siteList[0].nodeList
 187     while (count>0):
 188         # Sort the node list by number of slivers per node, then pick the
 189         # node with the least number of slivers.
 190         nodes = sorted(nodes, key=attrgetter("sliverCount"))
 191         node = nodes[0]
 192
 193         print "adding sliver at node", node.name, "of site", node.site.name
 194
 195         if not noAct:
 196             sliver = Sliver(name=node.name,
 197                         slice=slice,
 198                         node=node,
 199                         image = Image.objects.all()[0],
 200                         creator = User.objects.get(email=user),
 201                         deploymentNetwork=node.deployment,
 202                         numberCores =1 )
 203             sliver.save()
 204
 205         node.sliverCount = node.sliverCount + 1
 206
 207         count = count - 1
 208
 209         sitesChanged[node.site.name] = sitesChanged.get(node.site.name,0) + 1
 210
 211     return sitesChanged
 212
 213 def slice_decrease_slivers(user, siteList, slice, count, noAct=False):
 214     sitesChanged = {}
 215     sliverList ={}
 216     if siteList:
 217         siteNames = [site.name for site in siteList]
 218     else:
 219         siteNames = None
 220
 221     for sliver in slice.slivers.all():
 222         if(not siteNames) or (sliver.node.site.name in siteNames):\r
 223                 node = sliver.node\r
 224                 sliverList[sliver.name]=node.name
 225
 226     for key in sliverList:
 227         if count>0:
 228             sliver = Sliver.objects.filter(name=key)[0]\r
 229             sliver.delete()\r
 230             print "deleting sliver",sliverList[key],"at node",sliver.node.name\r
 231             count=count-1\r
 232             sitesChanged[sliver.node.site.name] = sitesChanged.get(sliver.node.site.name,0) - 1\r
 233 \r
 234     return sitesChanged
 235
 236 def haversine(site_lat, site_lon, lat, lon):
 237     d=0
 238     if lat and lon and site_lat and site_lon:
 239         site_lat = float(site_lat)
 240         site_lon = float(site_lon)
 241         lat = float(lat)
 242         lon = float(lon)
 243         R = 6378.1
 244         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)
 245         c = 2 * math.atan2( math.sqrt(a), math.sqrt(1 - a) )
 246         d = R * c
 247
 248     return d
 249
 250 def userSliceTableFormatter(data):
 251     formattedData = {
 252                      'rows' : data
 253                     }
 254     return formattedData