X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=planetstack%2Fcore%2Fxoslib%2Fobjects%2Fsliceplus.py;h=94174b4915d00d44370b7e7e0440173942e4bdc2;hb=2398f8278bb47a7a43f62219733d14e97df3959d;hp=2542fd7670f453ce06b22d02f5f88a65c7abea6d;hpb=db236c385c165787e6bbd143455501e1af73a393;p=plstackapi.git diff --git a/planetstack/core/xoslib/objects/sliceplus.py b/planetstack/core/xoslib/objects/sliceplus.py index 2542fd7..94174b4 100644 --- a/planetstack/core/xoslib/objects/sliceplus.py +++ b/planetstack/core/xoslib/objects/sliceplus.py @@ -1,29 +1,104 @@ -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): +class SlicePlus(Slice, PlusObjectMixin): class Meta: proxy = True + def __init__(self, *args, **kwargs): + super(SlicePlus, self).__init__(*args, **kwargs) + self._update_users = None + self._sliceInfo = None + self.getSliceInfo() + self._site_allocation = self._sliceInfo["sitesUsed"] + self._initial_site_allocation = self._site_allocation + self._network_ports = self._sliceInfo["networkPorts"] + self._initial_network_ports = self._network_ports + def getSliceInfo(self, user=None): - used_sites = {} - used_deployments = {} - sliverCount = 0 - for sliver in self.slivers.all(): - site = sliver.node.site - deployment = sliver.node.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 for x in self.slice_privileges.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 + sshCommands = [] + 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 + + if (sliver.instance_id and sliver.instance_name): + sshCommand = 'ssh -o "ProxyCommand ssh -q %s@%s" ubuntu@%s' % (sliver.instance_id, sliver.node.name, sliver.instance_name) + sshCommands.append(sshCommand); + + 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) + + # XXX this assumes there is only one network that can have ports bound + # to it for a given slice. This is intended for the tenant view, which + # will obey this field. + networkPorts = "" + for networkSlice in self.networkslices.all(): + network = networkSlice.network + if (network.owner.id != self.id): + continue + if network.ports: + networkPorts = network.ports + + self._sliceInfo= {"sitesUsed": used_sites, + "deploymentsUsed": used_deployments, + "sliverCount": sliverCount, + "siteCount": len(used_sites.keys()), + "users": users, + "roles": [], + "sshCommands": sshCommands, + "networkPorts": networkPorts} + + 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): + return self._site_allocation + + @site_allocation.setter + def site_allocation(self, value): + self._site_allocation = value + + @property + def user_names(self): + return [user["name"] for user in self.getSliceInfo()["users"].values()] + + @user_names.setter + def user_names(self, value): + pass # it's read-only + + @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): + return self._network_ports + + @network_ports.setter + def network_ports(self, value): + self._network_ports = value + #print "XXX set networkPorts to", value @staticmethod def select_by_user(user): @@ -33,3 +108,162 @@ class SlicePlus(Slice): 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): + updated_image = self.has_field_changed("default_image") + updated_flavor = self.has_field_changed("default_flavor") + + super(SlicePlus, self).save(*args, **kwargs) + + # try things out first + + updated_sites = (self._site_allocation != self._initial_site_allocation) or updated_image or updated_flavor + if updated_sites: + self.save_site_allocation(noAct=True, reset=(updated_image or updated_flavor)) + + if self._update_users: + self.save_users(noAct=True) + + if (self._network_ports != self._initial_network_ports): + self.save_network_ports(noAct=True) + + # now actually save them + + if updated_sites: + self.save_site_allocation(reset=(updated_image or updated_flavor)) + + if self._update_users: + self.save_users() + + if (self._network_ports != self._initial_network_ports): + self.save_network_ports() + + def save_site_allocation(self, noAct = False, reset=False): + print "save_site_allocation, reset=",reset + + if (not self._site_allocation): + # Must be a sliver that was just created, and has not site_allocation + # field. + return + + all_slice_slivers = self.slivers.all() + for site_name in self._site_allocation.keys(): + desired_allocation = self._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 (reset and len(slivers)>0) or (len(slivers) > desired_allocation): + sliver = slivers.pop() + if (not noAct): + print "deleting sliver", sliver + sliver.delete() + else: + print "would delete sliver", sliver + + # 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): + print "added sliver", sliver + sliver.save() + else: + print "would add 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 + + def save_network_ports(self, noAct=False): + # First search for any network that already has a filled in 'ports' + # field. We'll assume there can only be one, so it must be the right + # one. + for networkSlice in self.networkslices.all(): + network = networkSlice.network + if (network.owner.id != self.id): + continue + if network.ports: + network.ports = self._network_ports + if (not noAct): + network.save() + return + + # Now try a network that is a "NAT", since setting ports on a non-NAT + # network doesn't make much sense. + for networkSlice in self.networkslices.all(): + network = networkSlice.network + if (network.owner.id != self.id): + continue + if network.template.translation=="NAT": + network.ports = self._network_ports + if (not noAct): + network.save() + return + + # uh oh, we didn't find a network + + raise ValueError("No network was found that ports could be set on") + + + + +