-from core.models.slice import Slice
+from core.models import Slice, SlicePrivilege, SliceRole, Sliver, Site, Node, User
from plus import PlusObjectMixin
+from operator import itemgetter, attrgetter
class SlicePlus(Slice, PlusObjectMixin):
class Meta:
proxy = True
+ def __init__(self, *args, **kwargs):
+ super(SlicePlus, self).__init__(*args, **kwargs)
+ self._update_site_allocation = None
+ self._update_users = None
+ self._sliceInfo = None
+
def getSliceInfo(self, user=None):
- used_sites = {}
- used_deployments = {}
- sliverCount = 0
- for sliver in self.slivers.all():
- site = sliver.node.site_deployment.site
- deployment = sliver.node.site_deployment.deployment
- used_sites[site.name] = used_sites.get(site.name, 0) + 1
- used_deployments[deployment.name] = used_deployments.get(deployment.name, 0) + 1
- sliverCount = sliverCount + 1
-
- roles = []
- if (user!=None):
- roles = [x.role.role for x in self.sliceprivileges.filter(user=user)]
-
- return {"sitesUsed": used_sites,
- "deploymentsUsed": used_deployments,
- "sliverCount": sliverCount,
- "siteCount": len(used_sites.keys()),
- "roles": roles}
+ if not self._sliceInfo:
+ used_sites = {}
+ used_deployments = {}
+ sliverCount = 0
+ for sliver in self.slivers.all():
+ site = sliver.node.site_deployment.site
+ deployment = sliver.node.site_deployment.deployment
+ used_sites[site.name] = used_sites.get(site.name, 0) + 1
+ used_deployments[deployment.name] = used_deployments.get(deployment.name, 0) + 1
+ sliverCount = sliverCount + 1
+
+ users = {}
+ for priv in SlicePrivilege.objects.filter(slice=self):
+ if not (priv.user.id in users.keys()):
+ users[priv.user.id] = {"name": priv.user.email, "id": priv.user.id, "roles": []}
+ users[priv.user.id]["roles"].append(priv.role.role)
+
+ self._sliceInfo= {"sitesUsed": used_sites,
+ "deploymentsUsed": used_deployments,
+ "sliverCount": sliverCount,
+ "siteCount": len(used_sites.keys()),
+ "users": users,
+ "roles": []}
+
+ if user:
+ auser = self._sliceInfo["users"].get(user.id, None)
+ if (auser):
+ self._sliceInfo["roles"] = auser["roles"]
+
+ return self._sliceInfo
@property
def site_allocation(self):
@site_allocation.setter
def site_allocation(self, value):
- print "XXX set sitesUsed to", value
+ self._update_site_allocation = value
+ #print "XXX set sitesUsed to", value
+
+ @property
+ def user_names(self):
+ return [user["name"] for user in self.getSliceInfo()["users"].values()]
+
+ @property
+ def users(self):
+ return [user["id"] for user in self.getSliceInfo()["users"].values()]
+
+ @users.setter
+ def users(self, value):
+ self._update_users = value
+ #print "XXX set users to", value
@property
def network_ports(self):
slice_ids = [sp.slice.id for sp in SlicePrivilege.objects.filter(user=user)]
qs = SlicePlus.objects.filter(id__in=slice_ids)
return qs
+
+ def get_node_allocation(self, siteList):
+ siteIDList = [site.id for site in siteList]
+ nodeList = []
+ for node in Node.objects.all():
+ if (node.site_deployment.site.id in siteIDList):
+ node.sliverCount = 0
+ for sliver in node.slivers.all():
+ if sliver.slice.id == self.id:
+ node.sliverCount = node.sliverCount + 1
+ nodeList.append(node)
+ return nodeList
+
+ def save(self, *args, **kwargs):
+ super(SlicePlus, self).save(*args, **kwargs)
+
+ if self._update_site_allocation:
+ self.save_site_allocation(noAct=True)
+
+ if self._update_users:
+ self.save_users(noAct=True)
+
+ if self._update_site_allocation:
+ self.save_site_allocation()
+
+ if self._update_users:
+ self.save_users()
+
+ def save_site_allocation(self, noAct = False):
+ new_site_allocation = self._update_site_allocation
+
+ all_slice_slivers = self.slivers.all()
+ for site_name in new_site_allocation.keys():
+ desired_allocation = new_site_allocation[site_name]
+
+ # make a list of the slivers for this site
+ slivers = []
+ for sliver in all_slice_slivers:
+ if sliver.node.site_deployment.site.name == site_name:
+ slivers.append(sliver)
+
+ # delete extra slivers
+ while (len(slivers) > desired_allocation):
+ sliver = slivers.pop()
+ print "deleting sliver", sliver
+ if (not noAct):
+ sliver.delete()
+
+ # add more slivers
+ if (len(slivers) < desired_allocation):
+ site = Site.objects.get(name = site_name)
+ nodes = self.get_node_allocation([site])
+
+ if (not nodes):
+ raise ValueError("no nodes in site %s" % site_name)
+
+ while (len(slivers) < desired_allocation):
+ # pick the least allocated node
+ nodes = sorted(nodes, key=attrgetter("sliverCount"))
+ node = nodes[0]
+
+ sliver = Sliver(name=node.name,
+ slice=self,
+ node=node,
+ image = self.default_image,
+ flavor = self.default_flavor,
+ creator = self.creator,
+ deployment = node.site_deployment.deployment)
+ slivers.append(sliver)
+ if (not noAct):
+ sliver.save()
+
+ print "added sliver", sliver
+
+ node.sliverCount = node.sliverCount + 1
+
+ def save_users(self, noAct = False):
+ new_users = self._update_users
+
+ default_role = SliceRole.objects.get(role="default")
+
+ slice_privs = self.sliceprivileges.all()
+ slice_user_ids = [priv.user.id for priv in slice_privs]
+
+ for user_id in new_users:
+ if (user_id not in slice_user_ids):
+ priv = SlicePrivilege(slice=self, user=User.objects.get(id=user_id), role=default_role)
+ if (not noAct):
+ priv.save()
+
+ print "added user id", user_id
+
+ for priv in slice_privs:
+ if (priv.role.id != default_role.id):
+ # only mess with 'default' users; don't kill an admin
+ continue
+
+ if (priv.user.id not in new_users):
+ if (not noAct):
+ priv.delete()
+
+ print "deleted user id", user_id
+
+
+
+
+
git://git.onelab.eu / plstackapi.git / blobdiff