3 from planetstack.config import Config
4 from core.models import Deployment
7 from openstack.client import OpenStackClient
12 manager_enabled = Config().api_nova_enabled
14 class OpenStackDriver:
16 def __init__(self, config = None, client=None):
18 self.config = Config(config)
20 self.config = Config()
25 self.enabled = manager_enabled
26 self.has_openstack = has_openstack
27 self.deployment = None
28 self.admin_user = None
30 def client_driver(self, caller=None, tenant=None, deployment=None):
31 admin_driver = self.admin_driver(tenant=tenant, deployment=deployment)
33 auth = {'username': caller.email,
34 'password': hashlib.md5(caller.password).hexdigest()[:6],
36 client = OpenStackClient(deployment=admin_driver.deployment, **auth)
38 client = OpenStackClient(tenant=tenant, deployment=admin_driver.deployment)
40 driver = OpenStackDriver(client=client)
41 driver.admin_user = admin_driver.admin_user
42 driver.deployment = admin_driver.deployment
45 def admin_driver(self, tenant=None, deployment=None):
46 deployment = Deployment.objects.get(name=deployment)
47 client = OpenStackClient(tenant=tenant, deployment=deployment)
48 driver = OpenStackDriver(client=client)
49 driver.admin_user = client.keystone.users.find(name=deployment.admin_user)
50 driver.deployment = deployment
53 def create_role(self, name):
54 roles = self.shell.keystone.roles.findall(name=name)
55 roles_title = self.shell.keystone.roles.findall(name=name.title())
56 roles_found = roles + roles_title
58 role = self.shell.keystone.roles.create(name)
63 def delete_role(self, filter):
64 roles = self.shell.keystone.roles.findall(**filter)
66 self.shell.keystone.roles.delete(role)
69 def create_tenant(self, tenant_name, enabled, description):
70 """Create keystone tenant. Suggested fields: name, description, enabled"""
71 tenants = self.shell.keystone.tenants.findall(name=tenant_name)
73 fields = {'tenant_name': tenant_name, 'enabled': enabled,
74 'description': description}
75 tenant = self.shell.keystone.tenants.create(**fields)
79 # always give the admin user the admin role to any tenant created
81 self.add_user_role(self.admin_user.id, tenant.id, 'admin')
84 def update_tenant(self, id, **kwds):
85 return self.shell.keystone.tenants.update(id, **kwds)
87 def delete_tenant(self, id):
88 ctx = self.shell.nova_db.ctx
89 tenants = self.shell.keystone.tenants.findall(id=id)
90 for tenant in tenants:
91 # nova does not automatically delete the tenant's instances
92 # so we manually delete instances before deleteing the tenant
93 instances = self.shell.nova_db.instance_get_all_by_filters(ctx,
94 {'project_id': tenant.id}, 'id', 'asc')
95 client = OpenStackClient(tenant=tenant.name)
96 driver = OpenStackDriver(client=client)
97 for instance in instances:
98 driver.destroy_instance(instance.id)
99 self.shell.keystone.tenants.delete(tenant)
102 def create_user(self, name, email, password, enabled):
103 users = self.shell.keystone.users.findall(email=email)
105 fields = {'name': name, 'email': email, 'password': password,
107 user = self.shell.keystone.users.create(**fields)
112 def delete_user(self, id):
113 users = self.shell.keystone.users.findall(id=id)
116 keys = self.shell.nova.keypairs.findall()
118 self.shell.nova.keypairs.delete(key)
119 self.shell.keystone.users.delete(user)
122 def get_admin_role(self):
124 for admin_role_name in ['admin', 'Admin']:
125 roles = self.shell.keystone.roles.findall(name=admin_role_name)
131 def add_user_role(self, kuser_id, tenant_id, role_name):
132 user = self.shell.keystone.users.find(id=kuser_id)
133 tenant = self.shell.keystone.tenants.find(id=tenant_id)
134 # admin role can be lowercase or title. Look for both
136 if role_name.lower() == 'admin':
137 role = self.get_admin_role()
139 # look up non admin role or force exception when admin role isnt found
140 role = self.shell.keystone.roles.find(name=role_name)
143 user_roles = user.list_roles(tenant.id)
144 for user_role in user_roles:
145 if user_role.name == role.name:
148 tenant.add_user(user, role)
152 def delete_user_role(self, kuser_id, tenant_id, role_name):
153 user = self.shell.keystone.users.find(id=kuser_id)
154 tenant = self.shell.keystone.tenants.find(id=tenant_id)
155 # admin role can be lowercase or title. Look for both
157 if role_name.lower() == 'admin':
158 role = self.get_admin_role()
160 # look up non admin role or force exception when admin role isnt found
161 role = self.shell.keystone.roles.find(name=role_name)
164 user_roles = user.list_roles(tenant.id)
165 for user_role in user_roles:
166 if user_role.name == role.name:
169 tenant.remove_user(user, role)
173 def update_user(self, id, fields):
174 if 'password' in fields:
175 self.shell.keystone.users.update_password(id, fields['password'])
176 if 'enabled' in fields:
177 self.shell.keystone.users.update_enabled(id, fields['enabled'])
180 def create_router(self, name, set_gateway=True):
181 routers = self.shell.quantum.list_routers(name=name)['routers']
185 router = self.shell.quantum.create_router({'router': {'name': name}})['router']
186 # add router to external network
188 nets = self.shell.quantum.list_networks()['networks']
190 if net['router:external'] == True:
191 self.shell.quantum.add_gateway_router(router['id'],
192 {'network_id': net['id']})
196 def delete_router(self, id):
197 routers = self.shell.quantum.list_routers(id=id)['routers']
198 for router in routers:
199 self.shell.quantum.delete_router(router['id'])
200 # remove router form external network
201 #nets = self.shell.quantum.list_networks()['networks']
203 # if net['router:external'] == True:
204 # self.shell.quantum.remove_gateway_router(router['id'])
206 def add_router_interface(self, router_id, subnet_id):
207 router = self.shell.quantum.show_router(router_id)['router']
208 subnet = self.shell.quantum.show_subnet(subnet_id)['subnet']
209 if router and subnet:
210 self.shell.quantum.add_interface_router(router_id, {'subnet_id': subnet_id})
212 def delete_router_interface(self, router_id, subnet_id):
213 router = self.shell.quantum.show_router(router_id)
214 subnet = self.shell.quantum.show_subnet(subnet_id)
215 if router and subnet:
216 self.shell.quantum.remove_interface_router(router_id, {'subnet_id': subnet_id})
218 def create_network(self, name, shared=False):
219 nets = self.shell.quantum.list_networks(name=name)['networks']
223 net = self.shell.quantum.create_network({'network': {'name': name, 'shared': shared}})['network']
226 def delete_network(self, id):
227 nets = self.shell.quantum.list_networks()['networks']
231 self.delete_network_ports(net['id'])
232 # delete all subnets:
233 for subnet_id in net['subnets']:
234 self.delete_subnet(subnet_id)
235 self.shell.quantum.delete_network(net['id'])
238 def delete_network_ports(self, network_id):
239 ports = self.shell.quantum.list_ports()['ports']
241 if port['network_id'] == network_id:
242 self.shell.quantum.delete_port(port['id'])
245 def delete_subnet_ports(self, subnet_id):
246 ports = self.shell.quantum.list_ports()['ports']
249 for fixed_ip in port['fixed_ips']:
250 if fixed_ip['subnet_id'] == subnet_id:
254 self.shell.quantum.delete_port(port['id'])
257 def create_subnet(self, name, network_id, cidr_ip, ip_version, start, end):
258 #nets = self.shell.quantum.list_networks(name=network_name)['networks']
260 # raise Exception, "No such network: %s" % network_name
264 subnets = self.shell.quantum.list_subnets()['subnets']
266 if snet['cidr'] == cidr_ip and snet['network_id'] == network_id:
270 # HACK: Add metadata route -- Neutron does not reliably supply this
271 metadata_ip = cidr_ip.replace("0/24", "3")
273 allocation_pools = [{'start': start, 'end': end}]
274 subnet = {'subnet': {'name': name,
275 'network_id': network_id,
276 'ip_version': ip_version,
278 #'dns_nameservers': ['8.8.8.8', '8.8.4.4'],
279 'host_routes': [{'destination':'169.254.169.254/32','nexthop':metadata_ip}],
281 'allocation_pools': allocation_pools}}
282 subnet = self.shell.quantum.create_subnet(subnet)['subnet']
283 # self.add_external_route(subnet)
287 def update_subnet(self, id, fields):
288 return self.shell.quantum.update_subnet(id, fields)
290 def delete_subnet(self, id):
291 #return self.shell.quantum.delete_subnet(id=id)
292 # inefficient but fault tolerant
293 subnets = self.shell.quantum.list_subnets()['subnets']
294 for subnet in subnets:
295 if subnet['id'] == id:
296 self.delete_subnet_ports(subnet['id'])
297 self.shell.quantum.delete_subnet(id)
298 self.delete_external_route(subnet)
301 def get_external_routes(self):
302 status, output = commands.getstatusoutput('route')
303 routes = output.split('\n')[3:]
306 def add_external_route(self, subnet, routes=[]):
308 routes = self.get_external_routes()
310 ports = self.shell.quantum.list_ports()['ports']
312 gw_ip = subnet['gateway_ip']
313 subnet_id = subnet['id']
315 # 1. Find the port associated with the subnet's gateway
316 # 2. Find the router associated with that port
317 # 3. Find the port associated with this router and on the external net
318 # 4. Set up route to the subnet through the port from step 3
321 for fixed_ip in port['fixed_ips']:
322 if fixed_ip['subnet_id'] == subnet_id and fixed_ip['ip_address'] == gw_ip:
324 router_id = gw_port['device_id']
325 router = self.shell.quantum.show_router(router_id)['router']
326 if router and router.get('external_gateway_info'):
327 ext_net = router['external_gateway_info']['network_id']
329 if port['device_id'] == router_id and port['network_id'] == ext_net:
330 ip_address = port['fixed_ips'][0]['ip_address']
333 # check if external route already exists
337 if subnet['cidr'] in route and ip_address in route:
340 cmd = "route add -net %s dev br-ex gw %s" % (subnet['cidr'], ip_address)
341 s, o = commands.getstatusoutput(cmd)
342 #print cmd, "\n", s, o
346 def delete_external_route(self, subnet):
347 ports = self.shell.quantum.list_ports()['ports']
349 gw_ip = subnet['gateway_ip']
350 subnet_id = subnet['id']
352 # 1. Find the port associated with the subnet's gateway
353 # 2. Find the router associated with that port
354 # 3. Find the port associated with this router and on the external net
355 # 4. Set up route to the subnet through the port from step 3
358 for fixed_ip in port['fixed_ips']:
359 if fixed_ip['subnet_id'] == subnet_id and fixed_ip['ip_address'] == gw_ip:
361 router_id = gw_port['device_id']
362 router = self.shell.quantum.show_router(router_id)['router']
363 ext_net = router['external_gateway_info']['network_id']
365 if port['device_id'] == router_id and port['network_id'] == ext_net:
366 ip_address = port['fixed_ips'][0]['ip_address']
369 cmd = "route delete -net %s" % (subnet['cidr'])
370 commands.getstatusoutput(cmd)
374 def create_keypair(self, name, public_key):
375 keys = self.shell.nova.keypairs.findall(name=name)
379 if key.public_key != public_key:
380 self.delete_keypair(key.id)
381 key = self.shell.nova.keypairs.create(name=name, public_key=public_key)
383 key = self.shell.nova.keypairs.create(name=name, public_key=public_key)
386 def delete_keypair(self, id):
387 keys = self.shell.nova.keypairs.findall(id=id)
389 self.shell.nova.keypairs.delete(key)
392 def get_private_networks(self, tenant=None):
394 tenant = self.shell.nova.tenant
395 tenant = self.shell.keystone.tenants.find(name=tenant)
396 search_opts = {"tenant_id": tenant.id, "shared": False}
397 private_networks = self.shell.quantum.list_networks(**search_opts)
398 return private_networks
400 def get_shared_networks(self):
401 search_opts = {"shared": True}
402 shared_networks = self.shell.quantum.list_networks(**search_opts)
403 return shared_networks
405 def get_network_subnet(self, network_id):
409 os_networks = self.shell.quantum.list_networks(id=network_id)["networks"]
411 os_network = os_networks[0]
412 if os_network['subnets']:
413 subnet_id = os_network['subnets'][0]
414 os_subnets = self.shell.quantum.list_subnets(id=subnet_id)['subnets']
416 subnet = os_subnets[0]['cidr']
418 return (subnet_id, subnet)
420 def spawn_instance(self, name, key_name=None, hostname=None, image_id=None, security_group=None, pubkeys=[], nics=None, metadata=None, userdata=None, flavor_name=None):
422 flavor_name = self.config.nova_default_flavor
424 flavor = self.shell.nova.flavors.find(name=flavor_name)
426 if not security_group:
427 security_group = self.config.nova_default_security_group
431 # files["/root/.ssh/authorized_keys"] = "\n".join(pubkeys).encode('base64')
433 availability_zone = None
435 availability_zone = 'nova:%s' % hostname.split('.')[0]
436 server = self.shell.nova.servers.create(
441 security_group = security_group,
443 scheduler_hints=hints,
444 availability_zone=availability_zone,
451 def destroy_instance(self, id):
452 if (self.shell.nova.tenant=="admin"):
453 # findall() is implemented as a list() followed by a python search of the
454 # list. Since findall() doesn't accept "all_tenants", we do this using
455 # list() ourselves. This allows us to delete an instance as admin.
456 servers = self.shell.nova.servers.list(search_opts={"all_tenants": True})
458 servers = self.shell.nova.servers.list()
459 for server in servers:
461 result=self.shell.nova.servers.delete(server)
463 def update_instance_metadata(self, id, metadata):
464 servers = self.shell.nova.servers.findall(id=id)
465 for server in servers:
466 self.shell.nova.servers.set_meta(server, metadata)
467 # note: set_meta() returns a broken Server() object. Don't try to
468 # print it in the shell or it will fail in __repr__.
470 def delete_instance_metadata(self, id, metadata):
471 # note: metadata is a dict. Only the keys matter, not the values.
472 servers = self.shell.nova.servers.findall(id=id)
473 for server in servers:
474 self.shell.nova.servers.delete_meta(server, metadata)