blob: e37faef986fbf582694014fc70cfdaf523a9ef6e [file] [log] [blame]
#views.py
import functools
import math
import os
import sys
from django.views.generic import TemplateView, View
import datetime
from pprint import pprint
import json
from core.models import *
from operator import attrgetter
from django.views.decorators.csrf import csrf_exempt
from django.http import HttpResponse, HttpResponseServerError
from django.core import urlresolvers
from django.contrib.gis.geoip import GeoIP
from ipware.ip import get_ip
import traceback
import socket
BLESSED_SITES = ["Stanford", "Washington", "Princeton", "GeorgiaTech", "MaxPlanck"]
if os.path.exists("/home/smbaker/projects/vicci/cdn/bigquery"):
sys.path.append("/home/smbaker/projects/vicci/cdn/bigquery")
else:
sys.path.append("/opt/planetstack/hpc_wizard")
import hpc_wizard
from planetstack_analytics import DoPlanetStackAnalytics
class DashboardWelcomeView(TemplateView):
template_name = 'admin/dashboard/welcome.html'
def get(self, request, *args, **kwargs):
context = self.get_context_data(**kwargs)
userDetails = getUserSliceInfo(request.user)
#context['site'] = userDetails['site']
context['userSliceInfo'] = userDetails['userSliceInfo']
context['cdnData'] = userDetails['cdnData']
return self.render_to_response(context=context)
def getUserSliceInfo(user, tableFormat = False):
userDetails = {}
# try:
# // site = Site.objects.filter(id=user.site.id)
# // except:
# // site = Site.objects.filter(name="Princeton")
# // userDetails['sitename'] = site[0].name
# // userDetails['siteid'] = site[0].id
userSliceData = getSliceInfo(user)
if (tableFormat):
# pprint("******* GET USER SLICE INFO")
userDetails['userSliceInfo'] = userSliceTableFormatter(userSliceData)
else:
userDetails['userSliceInfo'] = userSliceData
userDetails['cdnData'] = getCDNOperatorData();
# pprint( userDetails)
return userDetails
class TenantCreateSlice(View):
def post(self, request, *args, **kwargs):
sliceName = request.POST.get("sliceName", "0")
serviceClass = request.POST.get("serviceClass", "0")
imageName = request.POST.get("imageName", "0")
actionToDo = request.POST.get("actionToDo", "0")
print sliceName
if (actionToDo == "add"):
serviceClass = ServiceClass.objects.get(name=serviceClass)
site = request.user.site
#image = Image.objects.get(name=imageName)
newSlice = Slice(name=sliceName,serviceClass=serviceClass,site=site,imagePreference=imageName)
newSlice.save()
return newSlice
def getTenantSliceInfo(user, tableFormat = False):
tenantSliceDetails = {}
tenantSliceData = getTenantInfo(user)
tenantServiceClassData = getServiceClassInfo(user)
if (tableFormat):
tenantSliceDetails['userSliceInfo'] = userSliceTableFormatter(tenantSliceData)
tenantSliceDetails['sliceServiceClass']=userSliceTableFormatter(tenantServiceClassData)
else:
tenantSliceDetails['userSliceInfo'] = tenantSliceData
tenantSliceDetails['sliceServiceClass']=userSliceTableFormatter(tenantServiceClassData)
tenantSliceDetails['image']=userSliceTableFormatter(getImageInfo(user))
tenantSliceDetails['network']=userSliceTableFormatter(getNetworkInfo(user))
tenantSliceDetails['deploymentSites']=userSliceTableFormatter(getDeploymentSites())
tenantSliceDetails['sites'] = userSliceTableFormatter(getTenantSitesInfo());
return tenantSliceDetails
def getTenantInfo(user):
slices =Slice.objects.all()
userSliceInfo = []
for entry in slices:
sliceName = Slice.objects.get(id=entry.id).name
slice = Slice.objects.get(name=Slice.objects.get(id=entry.id).name)
sliceServiceClass = entry.serviceClass.name
preferredImage = entry.imagePreference
numSliver = 0
sliceImage=""
sliceSite = {}
for sliver in slice.slivers.all():
numSliver +=sliver.numberCores
# sliceSite[sliver.deploymentNetwork.name] =sliceSite.get(sliver.deploymentNetwork.name,0) + 1
if sliver.node.site.name in BLESSED_SITES:
print "equal",sliver.node.site.name
sliceSite[sliver.node.site.name] = sliceSite.get(sliver.node.site.name,0) + 1
sliceImage = sliver.image.name
userSliceInfo.append({'sliceName': sliceName,'sliceServiceClass': sliceServiceClass,'preferredImage':preferredImage, 'sliceSite':sliceSite,'sliceImage':sliceImage,'numOfSlivers':numSliver})
return userSliceInfo
def getTenantSitesInfo():
tenantSiteInfo=[]
for entry in Site.objects.all():
if entry.name in BLESSED_SITES:
tenantSiteInfo.append({'siteName':entry.name})
return tenantSiteInfo
def userSliceTableFormatter(data):
# pprint(data)
formattedData = {
'rows' : data
}
return formattedData
def getServiceClassInfo(user):
serviceClassList = ServiceClass.objects.all()
sliceInfo = []
for entry in serviceClassList:
sliceInfo.append({'serviceClass':entry.name})
return sliceInfo
def getImageInfo(user):
imageList = Image.objects.all()
imageInfo = []
for imageEntry in imageList:
imageInfo.append({'Image':imageEntry.name})
return imageInfo
def getNetworkInfo(user):
#networkList = Network.objects.all()
networkList = ['Private Only','Private and Publicly Routable']
networkInfo = []
for networkEntry in networkList:
#networkInfo.append({'Network':networkEntry.name})
networkInfo.append({'Network':networkEntry})
return networkInfo
def getDeploymentSites():
deploymentList = Deployment.objects.all()
deploymentInfo = []
for entry in deploymentList:
deploymentInfo.append({'DeploymentSite':entry.name})
return deploymentInfo
def getSliceInfo(user):
sliceList = Slice.objects.all()
slicePrivs = SlicePrivilege.objects.filter(user=user)
userSliceInfo = []
for entry in slicePrivs:
slicename = Slice.objects.get(id=entry.slice.id).name
slice = Slice.objects.get(name=Slice.objects.get(id=entry.slice.id).name)
sliverList=Sliver.objects.all()
sites_used = {}
for sliver in slice.slivers.all():
#sites_used['deploymentSites'] = sliver.node.deployment.name
# sites_used[sliver.image.name] = sliver.image.name
sites_used[sliver.node.site.name] = sliver.numberCores
sliceid = Slice.objects.get(id=entry.slice.id).id
try:
sliverList = Sliver.objects.filter(slice=entry.slice.id)
siteList = {}
for x in sliverList:
if x.node.site not in siteList:
siteList[x.node.site] = 1
slivercount = len(sliverList)
sitecount = len(siteList)
except:
traceback.print_exc()
slivercount = 0
sitecount = 0
userSliceInfo.append({'slicename': slicename, 'sliceid':sliceid,
'sitesUsed':sites_used,
'role': SliceRole.objects.get(id=entry.role.id).role,
'slivercount': slivercount,
'sitecount':sitecount})
return userSliceInfo
def getCDNOperatorData(randomizeData = False):
return hpc_wizard.get_hpc_wizard().get_sites_for_view()
def getPageSummary(request):
slice = request.GET.get('slice', None)
site = request.GET.get('site', None)
node = request.GET.get('node', None)
class SimulatorView(View):
def get(self, request, **kwargs):
sim = json.loads(file("/tmp/simulator.json","r").read())
text = "<html><head></head><body>"
text += "Iteration: %d<br>" % sim["iteration"]
text += "Elapsed since report %d<br><br>" % sim["elapsed_since_report"]
text += "<table border=1>"
text += "<tr><th>site</th><th>trend</th><th>weight</th><th>bytes_sent</th><th>hot</th></tr>"
for site in sim["site_load"].values():
text += "<tr>"
text += "<td>%s</td><td>%0.2f</td><td>%0.2f</td><td>%d</td><td>%0.2f</td>" % \
(site["name"], site["trend"], site["weight"], site["bytes_sent"], site["load_frac"])
text += "</tr>"
text += "</table>"
text += "</body></html>"
return HttpResponse(text)
class DashboardUserSiteView(View):
def get(self, request, **kwargs):
return HttpResponse(json.dumps(getUserSliceInfo(request.user, True)), mimetype='application/javascript')
class TenantViewData(View):
def get(self, request, **kwargs):
return HttpResponse(json.dumps(getTenantSliceInfo(request.user, True)), mimetype='application/javascript')
def siteSortKey(site, slice=None, count=None, lat=None, lon=None):
# try to pick a site we're already using
has_slivers_here=False
if slice:
for sliver in slice.slivers.all():
if sliver.node.site.name == site.name:
has_slivers_here=True
# Haversine method
d = 0
site_lat = site.location.latitude
site_lon = site.location.longitude
if lat and lon and site_lat and site_lon:
site_lat = float(site_lat)
site_lon = float(site_lon)
R = 6378.1
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)
c = 2 * math.atan2( math.sqrt(a), math.sqrt(1 - a) )
d = R * c
return (-has_slivers_here, d)
def tenant_pick_sites(user, user_ip=None, slice=None, count=None):
""" Returns list of sites, sorted from most favorable to least favorable """
lat=None
lon=None
try:
client_geo = GeoIP().city(user_ip)
if client_geo:
lat=float(client_geo["latitude"])
lon=float(client_geo["longitude"])
except:
print "exception in geo code"
traceback.print_exc()
sites = Site.objects.all()
sites = [x for x in sites if x.name in BLESSED_SITES]
sites = sorted(sites, key=functools.partial(siteSortKey, slice=slice, count=count, lat=lat, lon=lon))
return sites
def slice_increase_slivers(user, user_ip, siteList, slice, count, noAct=False):
sitesChanged = {}
# let's compute how many slivers are in use in each node of each site
for site in siteList:
site.nodeList = list(site.nodes.all())
for node in site.nodeList:
node.sliverCount = 0
for sliver in node.slivers.all():
if sliver.slice.id == slice.id:
node.sliverCount = node.sliverCount +1
# Allocate slivers to nodes
# for now, assume we want to allocate all slivers from the same site
nodes = siteList[0].nodeList
while (count>0):
# Sort the node list by number of slivers per node, then pick the
# node with the least number of slivers.
nodes = sorted(nodes, key=attrgetter("sliverCount"))
node = nodes[0]
print "adding sliver at node", node.name, "of site", node.site.name
if not noAct:
sliver = Sliver(name=node.name,
slice=slice,
node=node,
image = Image.objects.all()[0],
creator = User.objects.get(email=user),
deploymentNetwork=node.deployment,
numberCores =1 )
sliver.save()
node.sliverCount = node.sliverCount + 1
count = count - 1
sitesChanged[node.site.name] = sitesChanged.get(node.site.name,0) + 1
return sitesChanged
def slice_decrease_slivers(user, siteList, slice, count, noAct=False):
sitesChanged = {}
if siteList:
siteNames = [site.name for site in siteList]
else:
siteNames = None
for sliver in slice.slivers.all():
if (count <= 0):
break
node = sliver.node
if (not siteNames) or (node.site.name in siteNames):
print "deleting sliver", sliver, "at node", node.name, "of site", node.site.name
if not noAct:
sliver.delete()
count = count -1
sitesChanged[node.site.name] = sitesChanged.get(node.site.name,0) - 1
return sitesChanged
class TenantAddOrRemoveSliverView(View):
""" Add or remove slivers from a Slice
Arguments:
siteName - name of site. If not specified, PlanetStack will pick the
best site.,
actionToDo - [add | rem]
count - number of slivers to add or remove
sliceName - name of slice
noAct - if set, no changes will be made to db, but result will still
show which sites would have been modified.
Returns:
Dictionary of sites that were modified, and the count of nodes
that were added or removed at each site.
"""
def post(self, request, *args, **kwargs):
siteName = request.POST.get("siteName", None)
actionToDo = request.POST.get("actionToDo", None)
count = int(request.POST.get("count","0"))
sliceName = request.POST.get("slice", None)
noAct = request.POST.get("noAct", False)
if not sliceName:
return HttpResponseServerError("No slice name given")
slice = Slice.objects.get(name=sliceName)
if siteName:
siteList = [Site.objects.get(name=siteName)]
else:
siteList = None
if (actionToDo == "add"):
user_ip = request.GET.get("ip", get_ip(request))
if (siteList is None):
siteList = tenant_pick_sites(user, user_ip, slice, count)
sitesChanged = slice_increase_slivers(request.user, user_ip, siteList, slice, count, noAct)
elif (actionToDo == "rem"):
sitesChanged = slice_decrease_slivers(request.user, siteList, slice, count, noAct)
else:
return HttpResponseServerError("Unknown actionToDo %s" % actionToDo)
return HttpResponse(json.dumps(sitesChanged), mimetype='application/javascript')
def get(self, request, *args, **kwargs):
request.POST = request.GET
return self.post(request, *args, **kwargs) # for testing REST in browser
#return HttpResponseServerError("GET is not supported")
class TenantPickSitesView(View):
""" primarily just for testing purposes """
def get(self, request, *args, **kwargs):
count = request.GET.get("count","0")
slice = request.GET.get("slice",None)
if slice:
slice = Slice.objects.get(name=slice)
ip = request.GET.get("ip", get_ip(request))
sites = tenant_pick_sites(request.user, user_ip=ip, count=0, slice=slice)
sites = [x.name for x in sites]
return HttpResponse(json.dumps(sites), mimetype='application/javascript')
class DashboardSummaryAjaxView(View):
def get(self, request, **kwargs):
return HttpResponse(json.dumps(hpc_wizard.get_hpc_wizard().get_summary_for_view()), mimetype='application/javascript')
class DashboardAddOrRemoveSliverView(View):
# TODO: deprecate this view in favor of using TenantAddOrRemoveSliverView
def post(self, request, *args, **kwargs):
siteName = request.POST.get("site", None)
actionToDo = request.POST.get("actionToDo", "0")
siteList = [Site.objects.get(name=siteName)]
slice = Slice.objects.get(name="HyperCache")
if (actionToDo == "add"):
user_ip = request.GET.get("ip", get_ip(request))
slice_increase_slivers(request.user, user_ip, siteList, slice, 1)
elif (actionToDo == "rem"):
slice_decrease_slivers(request.user, siteList, slice, 1)
print '*' * 50
print 'Ask for site: ' + siteName + ' to ' + actionToDo + ' another HPC Sliver'
return HttpResponse('This is POST request ')
class DashboardAjaxView(View):
def get(self, request, **kwargs):
return HttpResponse(json.dumps(getCDNOperatorData(True)), mimetype='application/javascript')
class DashboardAnalyticsAjaxView(View):
def get(self, request, name="hello_world", **kwargs):
if (name == "hpcSummary"):
return HttpResponse(json.dumps(hpc_wizard.get_hpc_wizard().get_summary_for_view()), mimetype='application/javascript')
elif (name == "hpcUserSite"):
return HttpResponse(json.dumps(getUserSliceInfo(request.user, True)), mimetype='application/javascript')
elif (name == "hpcMap"):
return HttpResponse(json.dumps(getCDNOperatorData(True)), mimetype='application/javascript')
elif (name == "bigquery"):
(mimetype, data) = DoPlanetStackAnalytics(request)
return HttpResponse(data, mimetype=mimetype)
else:
return HttpResponse(json.dumps("Unknown"), mimetype='application/javascript')