use first element of array when deleting sliver
[plstackapi.git] / planetstack / core / plus / views.py
index 4211a30..74222b0 100644 (file)
@@ -1,4 +1,6 @@
 #views.py
+import functools
+import math
 import os
 import sys
 from django.views.generic import TemplateView, View
@@ -6,17 +8,23 @@ import datetime
 from pprint import pprint
 import json
 from core.models import *
-from django.http import HttpResponse
+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
+from planetstack_analytics import DoPlanetStackAnalytics, PlanetStackAnalytics
 
 class DashboardWelcomeView(TemplateView):
     template_name = 'admin/dashboard/welcome.html'
@@ -78,7 +86,8 @@ def getTenantSliceInfo(user, tableFormat = False):
     tenantSliceDetails['image']=userSliceTableFormatter(getImageInfo(user))
     tenantSliceDetails['network']=userSliceTableFormatter(getNetworkInfo(user))
     tenantSliceDetails['deploymentSites']=userSliceTableFormatter(getDeploymentSites())
-    tenantSliceDetails['sites'] = userSliceTableFormatter(getTenantSitesInfo());
+    tenantSliceDetails['sites'] = userSliceTableFormatter(getTenantSitesInfo())
+    tenantSliceDetails['mountDataSets'] = userSliceTableFormatter(getMountDataSets())
     return tenantSliceDetails
 
 
@@ -96,15 +105,18 @@ def getTenantInfo(user):
        for sliver in slice.slivers.all():
             numSliver +=sliver.numberCores
            # sliceSite[sliver.deploymentNetwork.name] =sliceSite.get(sliver.deploymentNetwork.name,0) + 1
-            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})
+           if sliver.node.site.name in BLESSED_SITES:
+                sliceSite[sliver.node.site.name] = sliceSite.get(sliver.node.site.name,0) + 1
+                sliceImage = sliver.image.name
+       numSites = len(sliceSite)
+       userSliceInfo.append({'sliceName': sliceName,'sliceServiceClass': sliceServiceClass,'preferredImage':preferredImage,'numOfSites':numSites, 'sliceSite':sliceSite,'sliceImage':sliceImage,'numOfSlivers':numSliver})
     return userSliceInfo
 
 def getTenantSitesInfo():
        tenantSiteInfo=[]
         for entry in Site.objects.all():
-               tenantSiteInfo.append({'siteName':entry.name})
+            if entry.name in BLESSED_SITES:
+                tenantSiteInfo.append({'siteName':entry.name})
        return tenantSiteInfo
 
 def userSliceTableFormatter(data):
@@ -122,12 +134,21 @@ def getServiceClassInfo(user):
     return sliceInfo
 
 def getImageInfo(user):
-    imageList = Image.objects.all()
+    #imageList = Image.objects.all()
+    imageList = ['Fedora 16 LXC rev 1.3','Hadoop','MPI']
     imageInfo = []
     for imageEntry in imageList:
-          imageInfo.append({'Image':imageEntry.name})
+          #imageInfo.append({'Image':imageEntry.name})
+          imageInfo.append({'Image':imageEntry})
     return imageInfo
 
+def getMountDataSets():
+        dataSetList = ['GenBank','LSST','LHC','NOAA','Measurement Lab','Common Crawl']\r
+        dataSetInfo = []\r
+        for entry in dataSetList:\r
+                dataSetInfo.append({'DataSet':entry})\r
+        return dataSetInfo
+
 def getNetworkInfo(user):
    #networkList = Network.objects.all()
     networkList = ['Private Only','Private and Publicly Routable']
@@ -181,13 +202,32 @@ def getSliceInfo(user):
     return userSliceInfo
 
 def getCDNOperatorData(randomizeData = False):
-    return hpc_wizard.get_hpc_wizard().get_sites_for_view()
+    bq = PlanetStackAnalytics()
+
+    #hpc_sliceNames = bq.service_to_sliceNames("HPC Service")
+
+    rows = bq.get_cached_query_results(bq.compose_latest_query())
 
-def getPageSummary(request):
-    slice = request.GET.get('slice', None)
-    site = request.GET.get('site', None)
-    node = request.GET.get('node', None)
+    #rows = [x for x in rows if x.get("slice","") in hpc_sliceNames]
 
+    rows = bq.postprocess_results(rows, filter={"slice": "HyperCache"}, maxi=["cpu"], count=["hostname"], computed=["bytes_sent/elapsed"], groupBy=["Time","site"])
+
+    bq.merge_datamodel_sites(rows)
+
+    new_rows = {}
+    for row in rows:
+        new_row = {"lat": float(row.get("lat", 0)),
+               "long": float(row.get("long", 0)),
+               "health": 0,
+               "numNodes": int(row.get("numNodes",0)),
+               "numHPCSlivers": int(row.get("count_hostname", 0)),
+               "siteUrl": str(row.get("url", "")),
+               "hot": float(row.get("hotness", 0.0)),
+               "bandwidth": row.get("sum_computed_bytes_sent_div_elapsed",0),
+               "load": int(float(row.get("max_avg_cpu", row.get("max_cpu",0))))}
+        new_rows[str(row["site"])] = new_row
+
+    return new_rows
 
 class SimulatorView(View):
     def get(self, request, **kwargs):
@@ -214,104 +254,216 @@ class TenantViewData(View):
     def get(self, request, **kwargs):
         return HttpResponse(json.dumps(getTenantSliceInfo(request.user, True)), mimetype='application/javascript')
 
-def tenant_increase_slivers(user, siteName, slice, count):
-        site = Site.objects.filter(name=siteName)
-       nodes = Node.objects.filter(site=site)
-       print nodes
-       site.usedNodes = []
-        site.freeNodes = []
-       sliceName = Slice.objects.get(name=slice)
-        for node in nodes:
-            usedNode = False
-            for sliver in node.slivers.all():
-                if sliver in Sliver.objects.filter(slice=sliceName):
-                    usedNode = True
-            if usedNode:
-                site.usedNodes.append(node)
-               print site.usedNodes
-            else:
-                site.freeNodes.append(node)
-           print site
-           slices =Slice.objects.all()
-           sliceName = Slice.objects.get(name=slice)
-           test = Sliver.objects.filter(slice=sliceName)
-           while (len(site.freeNodes) > 0) and (count > 0):
-               node = site.freeNodes.pop()
-               hostname = node.name
-               sliver = Sliver(name=node.name,
-                            slice=sliceName,
-                            node=node,
-                            image = Image.objects.all()[0],
-                            creator = User.objects.get(email=user),
-                            deploymentNetwork=node.deployment,
-                            numberCores =1 )
-               sliver.save()
-
-               print "created sliver", sliver
-               print sliver.node
-               print sliver.numberCores
-               site.usedNodes.append(node)
-               count = int(count) - 1
-
-def tenant_decrease_slivers(user, siteName, slice, count):
-        site = Site.objects.filter(name=siteName)
-        nodes = Node.objects.filter(site=site)
-        slices = Slice.objects.all()
-       site.usedNodes = []
-        site.freeNodes = []
-        sliceName = Slice.objects.get(name=slice)
-
-       for node in nodes:
-            usedNode = False
+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 in Sliver.objects.filter(slice=sliceName):
-                    usedNode = True
-            if usedNode:
-                site.usedNodes.append(node)
-            else:
-                site.freeNodes.append(node)
-            print "used nodes", site.usedNodes
-            slices =Slice.objects.all()
-            sliceName = Slice.objects.get(name=slice)
-            test = Sliver.objects.filter(slice=sliceName)
-            while (count > 0):
-                node = site.usedNodes.pop()
-               print node
-               print count
-               for sliver in node.slivers.all():       
-                       if sliver.slice in slices:
-                               print "deleting sliver", sliver.slice
-                               sliver.delete()
-               site.freeNodes.append(node)
-               count = int(count) - 1
-                print "deleted sliver", sliver
+                 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 = {}
+    sliverList ={}
+    if siteList:
+        siteNames = [site.name for site in siteList]
+    else:
+        siteNames = None
+
+    for sliver in slice.slivers.all():
+        if(not siteNames) or (sliver.node.site.name in siteNames):\r
+                node = sliver.node\r
+                sliverList[sliver.name]=node.name
+
+    for key in sliverList:
+        if count>0:
+            sliver = Sliver.objects.filter(name=key)[0]\r
+            sliver.delete()\r
+            print "deleting sliver",sliverList[key],"at node",sliver.node.name\r
+            count=count-1\r
+            sitesChanged[sliver.node.site.name] = sitesChanged.get(sliver.node.site.name,0) - 1\r
+\r
+    return sitesChanged
+
+class TenantDeleteSliceView(View):
+        def post(self,request):\r
+                sliceName = request.POST.get("sliceName",None)\r
+                slice = Slice.objects.get(name=sliceName)\r
+                print slice, slice.id\r
+                sliceToDel=Slice(name=sliceName, id=slice.id)\r
+                sliceToDel.delete()
 
 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", "0")
-        actionToDo = request.POST.get("actionToDo", "0")
-        count = request.POST.get("count","0")
-       slice = request.POST.get("slice","0")
+        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"):
-            tenant_increase_slivers(request.user, siteName,slice, count)
+            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"):
-            tenant_decrease_slivers(request.user,siteName,slice, count)
-        return HttpResponse('This is POST request ')
+            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')
+        def avg(x):
+            return float(sum(x))/len(x)
+
+        sites = getCDNOperatorData().values()
+
+        sites = [site for site in sites if site["numHPCSlivers"]>0]
+
+        total_slivers = sum( [site["numHPCSlivers"] for site in sites] )
+        total_bandwidth = sum( [site["bandwidth"] for site in sites] )
+        average_cpu = int(avg( [site["load"] for site in sites] ))
+
+        result= {"total_slivers": total_slivers,
+                "total_bandwidth": total_bandwidth,
+                "average_cpu": average_cpu}
+
+        return HttpResponse(json.dumps(result), 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", "0")
+        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"):
-            hpc_wizard.get_hpc_wizard().increase_slivers(siteName, 1)
+            user_ip = request.GET.get("ip", get_ip(request))
+            slice_increase_slivers(request.user, user_ip, siteList, slice, 1)
         elif (actionToDo == "rem"):
-            hpc_wizard.get_hpc_wizard().decrease_slivers(siteName, 1)
+            slice_decrease_slivers(request.user, siteList, slice, 1)
 
         print '*' * 50
         print 'Ask for site: ' + siteName + ' to ' + actionToDo + ' another HPC Sliver'