blob: 15668b93c9e49fae4c0e90b82f8e00a48d84492d [file] [log] [blame]
import commands
import hashlib
from xos.config import Config
from core.models import Controller
try:
from openstack.client import OpenStackClient
has_openstack = True
except:
has_openstack = False
manager_enabled = Config().api_nova_enabled
class OpenStackDriver:
def __init__(self, config = None, client=None):
if config:
self.config = Config(config)
else:
self.config = Config()
if client:
self.shell = client
self.enabled = manager_enabled
self.has_openstack = has_openstack
self.controller = None
self.admin_user = None
def client_driver(self, caller=None, tenant=None, controller=None):
if caller:
auth = {'username': caller.email,
'password': hashlib.md5(caller.password).hexdigest()[:6],
'tenant': tenant}
client = OpenStackClient(controller=controller, cacert=self.config.nova_ca_ssl_cert, **auth)
else:
admin_driver = self.admin_driver(tenant=tenant, controller=controller)
client = OpenStackClient(tenant=tenant, controller=admin_driver.controller)
driver = OpenStackDriver(client=client)
#driver.admin_user = admin_driver.admin_user
#driver.controller = admin_driver.controller
return driver
def admin_driver(self, tenant=None, controller=None):
if isinstance(controller, int):
controller = Controller.objects.get(id=controller.id)
if not tenant:
tenant = controller.admin_tenant
client = OpenStackClient(tenant=tenant, controller=controller, cacert=self.config.nova_ca_ssl_cert)
driver = OpenStackDriver(client=client)
driver.admin_user = client.keystone.users.find(name=controller.admin_user)
driver.controller = controller
return driver
def create_role(self, name):
roles = self.shell.keystone.roles.findall(name=name)
roles_title = self.shell.keystone.roles.findall(name=name.title())
roles_found = roles + roles_title
if not roles_found:
role = self.shell.keystone.roles.create(name)
else:
role = roles_found[0]
return role
def delete_role(self, filter):
roles = self.shell.keystone.roles.findall(**filter)
for role in roles:
self.shell.keystone.roles.delete(role)
return 1
def create_tenant(self, tenant_name, enabled, description):
"""Create keystone tenant. Suggested fields: name, description, enabled"""
tenants = self.shell.keystone.tenants.findall(name=tenant_name)
if not tenants:
fields = {'tenant_name': tenant_name, 'enabled': enabled,
'description': description}
tenant = self.shell.keystone.tenants.create(**fields)
else:
tenant = tenants[0]
# always give the admin user the admin role to any tenant created
# by the driver.
self.add_user_role(self.admin_user.id, tenant.id, 'admin')
return tenant
def update_tenant(self, id, **kwds):
return self.shell.keystone.tenants.update(id, **kwds)
def delete_tenant(self, id):
ctx = self.shell.nova_db.ctx
tenants = self.shell.keystone.tenants.findall(id=id)
for tenant in tenants:
# nova does not automatically delete the tenant's instances
# so we manually delete instances before deleteing the tenant
instances = self.shell.nova_db.instance_get_all_by_filters(ctx,
{'project_id': tenant.id}, 'id', 'asc')
client = OpenStackClient(tenant=tenant.name)
driver = OpenStackDriver(client=client)
for instance in instances:
driver.destroy_instance(instance.id)
self.shell.keystone.tenants.delete(tenant)
return 1
def create_user(self, name, email, password, enabled):
users = self.shell.keystone.users.findall(email=email)
if not users:
fields = {'name': name, 'email': email, 'password': password,
'enabled': enabled}
user = self.shell.keystone.users.create(**fields)
else:
user = users[0]
return user
def delete_user(self, id):
users = self.shell.keystone.users.findall(id=id)
for user in users:
# delete users keys
keys = self.shell.nova.keypairs.findall()
for key in keys:
self.shell.nova.keypairs.delete(key)
self.shell.keystone.users.delete(user)
return 1
def get_admin_role(self):
role = None
for admin_role_name in ['admin', 'Admin']:
roles = self.shell.keystone.roles.findall(name=admin_role_name)
if roles:
role = roles[0]
break
return role
def add_user_role(self, kuser_id, tenant_id, role_name):
user = self.shell.keystone.users.find(id=kuser_id)
tenant = self.shell.keystone.tenants.find(id=tenant_id)
# admin role can be lowercase or title. Look for both
role = None
if role_name.lower() == 'admin':
role = self.get_admin_role()
else:
# look up non admin role or force exception when admin role isnt found
role = self.shell.keystone.roles.find(name=role_name)
role_found = False
user_roles = user.list_roles(tenant.id)
for user_role in user_roles:
if user_role.name == role.name:
role_found = True
if not role_found:
tenant.add_user(user, role)
return 1
def delete_user_role(self, kuser_id, tenant_id, role_name):
user = self.shell.keystone.users.find(id=kuser_id)
tenant = self.shell.keystone.tenants.find(id=tenant_id)
# admin role can be lowercase or title. Look for both
role = None
if role_name.lower() == 'admin':
role = self.get_admin_role()
else:
# look up non admin role or force exception when admin role isnt found
role = self.shell.keystone.roles.find(name=role_name)
role_found = False
user_roles = user.list_roles(tenant.id)
for user_role in user_roles:
if user_role.name == role.name:
role_found = True
if role_found:
tenant.remove_user(user, role)
return 1
def update_user(self, id, fields):
if 'password' in fields:
self.shell.keystone.users.update_password(id, fields['password'])
if 'enabled' in fields:
self.shell.keystone.users.update_enabled(id, fields['enabled'])
return 1
def create_router(self, name, set_gateway=True):
routers = self.shell.quantum.list_routers(name=name)['routers']
if routers:
router = routers[0]
else:
router = self.shell.quantum.create_router({'router': {'name': name}})['router']
# add router to external network
if set_gateway:
nets = self.shell.quantum.list_networks()['networks']
for net in nets:
if net['router:external'] == True:
self.shell.quantum.add_gateway_router(router['id'],
{'network_id': net['id']})
return router
def delete_router(self, id):
routers = self.shell.quantum.list_routers(id=id)['routers']
for router in routers:
self.shell.quantum.delete_router(router['id'])
# remove router form external network
#nets = self.shell.quantum.list_networks()['networks']
#for net in nets:
# if net['router:external'] == True:
# self.shell.quantum.remove_gateway_router(router['id'])
def add_router_interface(self, router_id, subnet_id):
router = self.shell.quantum.show_router(router_id)['router']
subnet = self.shell.quantum.show_subnet(subnet_id)['subnet']
if router and subnet:
self.shell.quantum.add_interface_router(router_id, {'subnet_id': subnet_id})
def delete_router_interface(self, router_id, subnet_id):
router = self.shell.quantum.show_router(router_id)
subnet = self.shell.quantum.show_subnet(subnet_id)
if router and subnet:
self.shell.quantum.remove_interface_router(router_id, {'subnet_id': subnet_id})
def create_network(self, name, shared=False):
nets = self.shell.quantum.list_networks(name=name)['networks']
if nets:
net = nets[0]
else:
net = self.shell.quantum.create_network({'network': {'name': name, 'shared': shared}})['network']
return net
def delete_network(self, id):
nets = self.shell.quantum.list_networks()['networks']
for net in nets:
if net['id'] == id:
# delete_all ports
self.delete_network_ports(net['id'])
# delete all subnets:
for subnet_id in net['subnets']:
self.delete_subnet(subnet_id)
self.shell.quantum.delete_network(net['id'])
return 1
def delete_network_ports(self, network_id):
ports = self.shell.quantum.list_ports()['ports']
for port in ports:
if port['network_id'] == network_id:
self.shell.quantum.delete_port(port['id'])
return 1
def delete_subnet_ports(self, subnet_id):
ports = self.shell.quantum.list_ports()['ports']
for port in ports:
delete = False
for fixed_ip in port['fixed_ips']:
if fixed_ip['subnet_id'] == subnet_id:
delete=True
break
if delete:
self.shell.quantum.delete_port(port['id'])
return 1
def create_subnet(self, name, network_id, cidr_ip, ip_version, start, end):
#nets = self.shell.quantum.list_networks(name=network_name)['networks']
#if not nets:
# raise Exception, "No such network: %s" % network_name
#net = nets[0]
subnet = None
subnets = self.shell.quantum.list_subnets()['subnets']
for snet in subnets:
if snet['cidr'] == cidr_ip and snet['network_id'] == network_id:
subnet = snet
if not subnet:
# HACK: Add metadata route -- Neutron does not reliably supply this
metadata_ip = cidr_ip.replace("0/24", "3")
allocation_pools = [{'start': start, 'end': end}]
subnet = {'subnet': {'name': name,
'network_id': network_id,
'ip_version': ip_version,
'cidr': cidr_ip,
#'dns_nameservers': ['8.8.8.8', '8.8.4.4'],
'host_routes': [{'destination':'169.254.169.254/32','nexthop':metadata_ip}],
'gateway_ip': None,
'allocation_pools': allocation_pools}}
subnet = self.shell.quantum.create_subnet(subnet)['subnet']
# self.add_external_route(subnet)
return subnet
def update_subnet(self, id, fields):
return self.shell.quantum.update_subnet(id, fields)
def delete_subnet(self, id):
#return self.shell.quantum.delete_subnet(id=id)
# inefficient but fault tolerant
subnets = self.shell.quantum.list_subnets()['subnets']
for subnet in subnets:
if subnet['id'] == id:
self.delete_subnet_ports(subnet['id'])
self.shell.quantum.delete_subnet(id)
self.delete_external_route(subnet)
return 1
def get_external_routes(self):
status, output = commands.getstatusoutput('route')
routes = output.split('\n')[3:]
return routes
def add_external_route(self, subnet, routes=[]):
if not routes:
routes = self.get_external_routes()
ports = self.shell.quantum.list_ports()['ports']
gw_ip = subnet['gateway_ip']
subnet_id = subnet['id']
# 1. Find the port associated with the subnet's gateway
# 2. Find the router associated with that port
# 3. Find the port associated with this router and on the external net
# 4. Set up route to the subnet through the port from step 3
ip_address = None
for port in ports:
for fixed_ip in port['fixed_ips']:
if fixed_ip['subnet_id'] == subnet_id and fixed_ip['ip_address'] == gw_ip:
gw_port = port
router_id = gw_port['device_id']
router = self.shell.quantum.show_router(router_id)['router']
if router and router.get('external_gateway_info'):
ext_net = router['external_gateway_info']['network_id']
for port in ports:
if port['device_id'] == router_id and port['network_id'] == ext_net:
ip_address = port['fixed_ips'][0]['ip_address']
if ip_address:
# check if external route already exists
route_exists = False
if routes:
for route in routes:
if subnet['cidr'] in route and ip_address in route:
route_exists = True
if not route_exists:
cmd = "route add -net %s dev br-ex gw %s" % (subnet['cidr'], ip_address)
s, o = commands.getstatusoutput(cmd)
#print cmd, "\n", s, o
return 1
def delete_external_route(self, subnet):
ports = self.shell.quantum.list_ports()['ports']
gw_ip = subnet['gateway_ip']
subnet_id = subnet['id']
# 1. Find the port associated with the subnet's gateway
# 2. Find the router associated with that port
# 3. Find the port associated with this router and on the external net
# 4. Set up route to the subnet through the port from step 3
ip_address = None
for port in ports:
for fixed_ip in port['fixed_ips']:
if fixed_ip['subnet_id'] == subnet_id and fixed_ip['ip_address'] == gw_ip:
gw_port = port
router_id = gw_port['device_id']
router = self.shell.quantum.show_router(router_id)['router']
ext_net = router['external_gateway_info']['network_id']
for port in ports:
if port['device_id'] == router_id and port['network_id'] == ext_net:
ip_address = port['fixed_ips'][0]['ip_address']
if ip_address:
cmd = "route delete -net %s" % (subnet['cidr'])
commands.getstatusoutput(cmd)
return 1
def create_keypair(self, name, public_key):
keys = self.shell.nova.keypairs.findall(name=name)
if keys:
key = keys[0]
# update key
if key.public_key != public_key:
self.delete_keypair(key.id)
key = self.shell.nova.keypairs.create(name=name, public_key=public_key)
else:
key = self.shell.nova.keypairs.create(name=name, public_key=public_key)
return key
def delete_keypair(self, id):
keys = self.shell.nova.keypairs.findall(id=id)
for key in keys:
self.shell.nova.keypairs.delete(key)
return 1
def get_private_networks(self, tenant=None):
if not tenant:
tenant = self.shell.nova.tenant
tenant = self.shell.keystone.tenants.find(name=tenant)
search_opts = {"tenant_id": tenant.id, "shared": False}
private_networks = self.shell.quantum.list_networks(**search_opts)
return private_networks
def get_shared_networks(self):
search_opts = {"shared": True}
shared_networks = self.shell.quantum.list_networks(**search_opts)
return shared_networks
def get_network_subnet(self, network_id):
subnet_id = None
subnet = None
if network_id:
os_networks = self.shell.quantum.list_networks(id=network_id)["networks"]
if os_networks:
os_network = os_networks[0]
if os_network['subnets']:
subnet_id = os_network['subnets'][0]
os_subnets = self.shell.quantum.list_subnets(id=subnet_id)['subnets']
if os_subnets:
subnet = os_subnets[0]['cidr']
return (subnet_id, subnet)
def spawn_instance(self, name, key_name=None, availability_zone=None, hostname=None, image_id=None, security_group=None, pubkeys=[], nics=None, metadata=None, userdata=None, flavor_name=None):
if not flavor_name:
flavor_name = self.config.nova_default_flavor
flavor = self.shell.nova.flavors.find(name=flavor_name)
if not security_group:
security_group = self.config.nova_default_security_group
files = {}
#if pubkeys:
# files["/root/.ssh/authorized_keys"] = "\n".join(pubkeys).encode('base64')
hints = {}
# determine availability zone and compute host
availability_zone_filter = None
if availability_zone is None or not availability_zone:
availability_zone_filter = 'nova'
else:
availability_zone_filter = availability_zone
if hostname:
availability_zone_filter += ':%s' % hostname
server = self.shell.nova.servers.create(
name=name,
key_name = key_name,
flavor=flavor.id,
image=image_id,
security_group = security_group,
#files = files,
scheduler_hints=hints,
availability_zone=availability_zone_filter,
nics=nics,
networks=nics,
meta=metadata,
userdata=userdata)
return server
def destroy_instance(self, id):
if (self.shell.nova.tenant=="admin"):
# findall() is implemented as a list() followed by a python search of the
# list. Since findall() doesn't accept "all_tenants", we do this using
# list() ourselves. This allows us to delete an instance as admin.
servers = self.shell.nova.servers.list(search_opts={"all_tenants": True})
else:
servers = self.shell.nova.servers.list()
for server in servers:
if server.id == id:
result=self.shell.nova.servers.delete(server)
def update_instance_metadata(self, id, metadata):
servers = self.shell.nova.servers.findall(id=id)
for server in servers:
self.shell.nova.servers.set_meta(server, metadata)
# note: set_meta() returns a broken Server() object. Don't try to
# print it in the shell or it will fail in __repr__.
def delete_instance_metadata(self, id, metadata):
# note: metadata is a dict. Only the keys matter, not the values.
servers = self.shell.nova.servers.findall(id=id)
for server in servers:
self.shell.nova.servers.delete_meta(server, metadata)