def manage_sliver(self):
# Each VCPE object owns exactly one sliver.
if self.deleted:
return
if (self.sliver is not None) and (self.sliver.image != self.image):
self.sliver.delete()
self.sliver = None
if self.sliver is None:
if not self.provider_service.slices.count():
raise XOSConfigurationError("The VCPE service has no slices")
flavors = Flavor.objects.filter(name="m1.small")
if not flavors:
raise XOSConfigurationError("No m1.small flavor")
node =self.pick_node()
sliver = Sliver(slice = self.provider_service.slices.all()[0],
node = node,
image = self.image,
creator = self.creator,
deployment = node.site_deployment.deployment,
flavor = flavors[0])
sliver.save()
try:
self.sliver = sliver
super(VCPETenant, self).save()
except:
sliver.delete()
raise
def manage_sliver(self):
# Each VCPE object owns exactly one sliver.
if self.deleted:
return
if (self.sliver is not None) and (self.sliver.image != self.image):
self.sliver.delete()
self.sliver = None
if self.sliver is None:
if not self.provider_service.slices.count():
raise XOSConfigurationError("The VCPE service has no slices")
flavors = Flavor.objects.filter(name="m1.small")
if not flavors:
raise XOSConfigurationError("No m1.small flavor")
node = self.pick_node()
sliver = Sliver(slice=self.provider_service.slices.all()[0],
node=node,
image=self.image,
creator=self.creator,
deployment=node.site_deployment.deployment,
flavor=flavors[0])
sliver.save()
try:
self.sliver = sliver
super(VCPETenant, self).save()
except:
sliver.delete()
raise
def adjust_scale(self, slice_hint, scale, max_per_node=None, exclusive_slices=[]):
from core.models import Sliver # late import to get around order-of-imports constraint in __init__.py
slices = [x for x in self.slices.all() if slice_hint in x.name]
for slice in slices:
while slice.slivers.all().count() > scale:
s = slice.slivers.all()[0]
# print "drop sliver", s
s.delete()
while slice.slivers.all().count() < scale:
node = self.pick_node(slice, max_per_node, exclusive_slices)
if not node:
# no more available nodes
break
image = slice.default_image
if not image:
raise XOSConfigurationError("No default_image for slice %s" % slice.name)
flavor = slice.default_flavor
if not flavor:
raise XOSConfigurationError("No default_flavor for slice %s" % slice.name)
s = Sliver(slice=slice,
node=node,
creator=slice.creator,
image=image,
flavor=flavor,
deployment=node.site_deployment.deployment)
s.save()
def create(self, name = None):
xos_args = self.get_xos_args(name=name)
sliver = Sliver(**xos_args)
sliver.caller = self.user
sliver.save()
self.info("Created Sliver '%s' on node '%s' using flavor '%s' and image '%s'" %
(str(sliver), str(sliver.node), str(sliver.flavor), str(sliver.image)))
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 APIException(detail="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)
sliver.caller = self.caller
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_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 APIException(detail="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)
sliver.caller = self.caller
slivers.append(sliver)
if (not noAct):
print "added sliver", sliver
sliver.save()
else:
print "would add sliver", sliver
node.sliverCount = node.sliverCount + 1
def create(self, name=None, index=None):
xos_args = self.get_xos_args(name=name, index=index)
sliver = Sliver(**xos_args)
sliver.caller = self.user
sliver.no_sync = True
sliver.save()
self.deferred_sync.append(sliver)
self.info(
"Created Sliver '%s' on node '%s' using flavor '%s' and image '%s'"
% (str(sliver), str(sliver.node), str(
sliver.flavor), str(sliver.image)))
def add_sliver(auth, fields):
user = authenticate(username=auth.get('username'),
password=auth.get('password'))
images = _get_images(fields.get('image'))
slices = _get_slices(fields.get('slice'))
deployment_networks = _get_deployment_networks(fields.get('deploymentNetwork'))
nodes = _get_nodes(fields.get('node'))
if images: fields['image'] = images[0]
if slices: fields['slice'] = slices[0]
if deployment_networks: fields['deploymentNetwork'] = deployment_networks[0]
if nodes: fields['node'] = nodes[0]
sliver = Sliver(**fields)
auth['tenant'] = sliver.slice.name
sliver.os_manager = OpenStackManager(auth=auth, caller = user)
sliver.save()
return sliver
def add_sliver(auth, fields):
user = authenticate(username=auth.get('username'),
password=auth.get('password'))
images = _get_images(fields.get('image'))
slices = _get_slices(fields.get('slice'))
deployment_networks = _get_deployment_networks(
fields.get('deploymentNetwork'))
nodes = _get_nodes(fields.get('node'))
if images: fields['image'] = images[0]
if slices: fields['slice'] = slices[0]
if deployment_networks:
fields['deploymentNetwork'] = deployment_networks[0]
if nodes: fields['node'] = nodes[0]
sliver = Sliver(**fields)
auth['tenant'] = sliver.slice.name
sliver.os_manager = OpenStackManager(auth=auth, caller=user)
sliver.save()
return sliver
def increase_slivers(self, site_name, count):
site = self.get_site(site_name)
hpc_slice = self.get_hpc_slices()[0]
while (len(site.availNodes) > 0) and (count > 0):
node = site.availNodes.pop()
hostname = node.name
sliver = Sliver(name=node.name,
slice=hpc_slice,
node=node,
image = Image.objects.all()[0],
creator = User.objects.get(email="*****@*****.**"),
deploymentNetwork=node.deployment,
numberCores = 1,
ip=socket.gethostbyname(hostname))
sliver.save()
print "created sliver", sliver
site.hpcNodes.append(node)
count = count - 1
def adjust_scale(self,
slice_hint,
scale,
max_per_node=None,
exclusive_slices=[]):
from core.models import Sliver # late import to get around order-of-imports constraint in __init__.py
slices = [x for x in self.slices.all() if slice_hint in x.name]
for slice in slices:
while slice.slivers.all().count() > scale:
s = slice.slivers.all()[0]
# print "drop sliver", s
s.delete()
while slice.slivers.all().count() < scale:
node = self.pick_node(slice, max_per_node, exclusive_slices)
if not node:
# no more available nodes
break
image = slice.default_image
if not image:
raise XOSConfigurationError(
"No default_image for slice %s" % slice.name)
flavor = slice.default_flavor
if not flavor:
raise XOSConfigurationError(
"No default_flavor for slice %s" % slice.name)
s = Sliver(slice=slice,
node=node,
creator=slice.creator,
image=image,
flavor=flavor,
deployment=node.site_deployment.deployment)
s.save()
