blob: e310883fe4b3f0590ffd1b19f0fddeb5f670fc17 [file] [log] [blame]
import os
#os.environ.setdefault("DJANGO_SETTINGS_MODULE", "planetstack.settings")
import string
import random
from netaddr import IPAddress, IPNetwork
from planetstack import settings
from django.core import management
from core.models import *
from planetstack.config import Config
try:
from openstack.client import OpenStackClient
from openstack.driver import OpenStackDriver
has_openstack = True
except:
has_openstack = False
manager_enabled = Config().api_nova_enabled
def random_string(size=6):
return ''.join(random.choice(string.ascii_uppercase + string.digits) for x in range(size))
def require_enabled(callable):
def wrapper(*args, **kwds):
if manager_enabled and has_openstack:
return callable(*args, **kwds)
else:
return None
return wrapper
class OpenStackManager:
def __init__(self, auth={}, caller=None):
self.client = None
self.driver = None
self.caller = None
self.has_openstack = has_openstack
self.enabled = manager_enabled
if has_openstack and manager_enabled:
if auth:
try:
self.init_user(auth, caller)
except:
# if this fails then it meanse the caller doesn't have a
# role at the slice's tenant. if the caller is an admin
# just use the admin client/manager.
if caller and caller.is_admin:
self.init_admin()
else: raise
else:
self.init_admin()
@require_enabled
def init_caller(self, caller, tenant):
auth = {'username': caller.email,
'password': '',
'tenant': tenant}
self.client = OpenStackClient(**auth)
self.driver = OpenStackDriver(client=self.client)
self.caller = caller
@require_enabled
def init_admin(self, tenant=None):
# use the admin credentials
self.client = OpenStackClient(tenant=tenant)
self.driver = OpenStackDriver(client=self.client)
self.caller = self.driver.admin_user
self.caller.kuser_id = self.caller.id
@require_enabled
def save_role(self, role):
if not role.role:
keystone_role = self.driver.create_role(role.role_type)
role.role = keystone_role.id
@require_enabled
def delete_role(self, role):
if role.role:
self.driver.delete_role({'id': role.role})
@require_enabled
def save_key(self, key, name):
key_fields = {'name': name,
'public_key': key}
nova_key = self.driver.create_keypair(**key_fields)
@require_enabled
def delete_key(self, key):
if key.nkey_id:
self.driver.delete_keypair(key.nkey_id)
@require_enabled
def save_user(self, user):
if not user.kuser_id:
name = user.email[:user.email.find('@')]
user_fields = {'name': name,
'email': user.email,
'password': user.password,
'enabled': True}
keystone_user = self.driver.create_user(**user_fields)
user.kuser_id = keystone_user.id
if user.public_key:
self.save_key(user.public_key, user.keyname)
if user.site:
self.driver.add_user_role(user.kuser_id, user.site.tenant_id, 'user')
if user.is_admin:
self.driver.add_user_role(user.kuser_id, user.site.tenant_id, 'admin')
else:
# may have admin role so attempt to remove it
self.driver.delete_user_role(user.kuser_id, user.site.tenant_id, 'admin')
@require_enabled
def delete_user(self, user):
if user.kuser_id:
self.driver.delete_user(user.kuser_id)
@require_enabled
def save_site(self, site, add_role=True):
if not site.tenant_id:
tenant = self.driver.create_tenant(tenant_name=site.login_base,
description=site.name,
enabled=site.enabled)
site.tenant_id = tenant.id
# give caller an admin role at the tenant they've created
self.driver.add_user_role(self.caller.kuser_id, tenant.id, 'admin')
# update the record
if site.id and site.tenant_id:
self.driver.update_tenant(site.tenant_id,
description=site.name,
enabled=site.enabled)
@require_enabled
def delete_site(self, site):
if site.tenant_id:
self.driver.delete_tenant(site.tenant_id)
@require_enabled
def save_slice(self, slice):
if not slice.tenant_id:
nova_fields = {'tenant_name': slice.name,
'description': slice.description,
'enabled': slice.enabled}
tenant = self.driver.create_tenant(**nova_fields)
slice.tenant_id = tenant.id
# give caller an admin role at the tenant they've created
self.driver.add_user_role(self.caller.kuser_id, tenant.id, 'admin')
# refresh credentials using this tenant
self.driver.shell.connect(username=self.driver.shell.keystone.username,
password=self.driver.shell.keystone.password,
tenant=tenant.name)
# create network
network = self.driver.create_network(slice.name)
slice.network_id = network['id']
# create router
router = self.driver.create_router(slice.name)
slice.router_id = router['id']
# create subnet
next_subnet = self.get_next_subnet()
cidr = str(next_subnet.cidr)
ip_version = next_subnet.version
start = str(next_subnet[2])
end = str(next_subnet[-2])
subnet = self.driver.create_subnet(name=slice.name,
network_id = network['id'],
cidr_ip = cidr,
ip_version = ip_version,
start = start,
end = end)
slice.subnet_id = subnet['id']
# add subnet as interface to slice's router
self.driver.add_router_interface(router['id'], subnet['id'])
# add external route
self.driver.add_external_route(subnet)
if slice.id and slice.tenant_id:
self.driver.update_tenant(slice.tenant_id,
description=slice.description,
enabled=slice.enabled)
@require_enabled
def delete_slice(self, slice):
if slice.tenant_id:
self.driver.delete_router_interface(slice.router_id, slice.subnet_id)
self.driver.delete_subnet(slice.subnet_id)
self.driver.delete_router(slice.router_id)
self.driver.delete_network(slice.network_id)
self.driver.delete_tenant(slice.tenant_id)
# delete external route
subnet = None
subnets = self.driver.shell.quantum.list_subnets()['subnets']
for snet in subnets:
if snet['id'] == slice.subnet_id:
subnet = snet
if subnet:
self.driver.delete_external_route(subnet)
@require_enabled
def get_next_subnet(self):
# limit ourself to 10.0.x.x for now
valid_subnet = lambda net: net.startswith('10.0')
subnets = self.driver.shell.quantum.list_subnets()['subnets']
ints = [int(IPNetwork(subnet['cidr']).ip) for subnet in subnets \
if valid_subnet(subnet['cidr'])]
ints.sort()
last_ip = IPAddress(ints[-1])
last_network = IPNetwork(str(last_ip) + "/24")
next_network = IPNetwork(str(IPAddress(last_network) + last_network.size) + "/24")
return next_network
@require_enabled
def save_subnet(self, subnet):
if not subnet.subnet_id:
quantum_subnet = self.driver.create_subnet(name= subnet.slice.name,
network_id=subnet.slice.network_id,
cidr_ip = subnet.cidr,
ip_version=subnet.ip_version,
start = subnet.start,
end = subnet.end)
subnet.subnet_id = quantum_subnet['id']
# add subnet as interface to slice's router
self.driver.add_router_interface(subnet.slice.router_id, subnet.subnet_id)
#add_route = 'route add -net %s dev br-ex gw 10.100.0.5' % self.cidr
#commands.getstatusoutput(add_route)
@require_enabled
def delete_subnet(self, subnet):
if subnet.subnet_id:
self.driver.delete_router_interface(subnet.slice.router_id, subnet.subnet_id)
self.driver.delete_subnet(subnet.subnet_id)
#del_route = 'route del -net %s' % self.cidr
#commands.getstatusoutput(del_route)
@require_enabled
def save_sliver(self, sliver):
if not sliver.instance_id:
instance = self.driver.spawn_instance(name=sliver.name,
key_name = sliver.creator.keyname,
image_id = sliver.image.image_id,
hostname = sliver.node.name )
sliver.instance_id = instance.id
sliver.instance_name = getattr(instance, 'OS-EXT-SRV-ATTR:instance_name')
if sliver.instance_id and ("numberCores" in sliver.changed_fields):
self.driver.update_instance_metadata(sliver.instance_id, {"cpu_cores": str(sliver.numberCores)})
@require_enabled
def delete_sliver(self, sliver):
if sliver.instance_id:
self.driver.destroy_instance(sliver.instance_id)
def refresh_nodes(self):
# collect local nodes
nodes = Node.objects.all()
nodes_dict = {}
for node in nodes:
if 'viccidev10' not in node.name:
nodes_dict[node.name] = node
deployment = Deployment.objects.filter(name='VICCI')[0]
login_bases = ['princeton', 'stanford', 'gt', 'uw', 'mpisws']
sites = Site.objects.filter(login_base__in=login_bases)
# collect nova nodes:
compute_nodes = self.client.nova.hypervisors.list()
compute_nodes_dict = {}
for compute_node in compute_nodes:
compute_nodes_dict[compute_node.hypervisor_hostname] = compute_node
# add new nodes:
new_node_names = set(compute_nodes_dict.keys()).difference(nodes_dict.keys())
i = 0
max = len(sites)
for name in new_node_names:
if i == max:
i = 0
site = sites[i]
node = Node(name=compute_nodes_dict[name].hypervisor_hostname,
site=site,
deployment=deployment)
node.save()
i+=1
# remove old nodes
old_node_names = set(nodes_dict.keys()).difference(compute_nodes_dict.keys())
Node.objects.filter(name__in=old_node_names).delete()
def refresh_images(self):
from core.models.image import Image
# collect local images
images = Image.objects.all()
images_dict = {}
for image in images:
images_dict[image.name] = image
# collect glance images
glance_images = self.client.glance.get_images()
glance_images_dict = {}
for glance_image in glance_images:
glance_images_dict[glance_image['name']] = glance_image
# add new images
new_image_names = set(glance_images_dict.keys()).difference(images_dict.keys())
for name in new_image_names:
image = Image(image_id=glance_images_dict[name]['id'],
name=glance_images_dict[name]['name'],
disk_format=glance_images_dict[name]['disk_format'],
container_format=glance_images_dict[name]['container_format'])
image.save()
# remove old images
old_image_names = set(images_dict.keys()).difference(glance_images_dict.keys())
Image.objects.filter(name__in=old_image_names).delete()