blob: e5ce2f80031ca652b9ee481df2df2603a73efe1b [file] [log] [blame]
Scott Bakerb63ea792016-08-11 10:24:48 -07001import commands
2import hashlib
3from xos.config import Config
4from core.models import Controller
5
6try:
Scott Baker04a37f52016-08-11 10:52:21 -07007 from synchronizers.openstack.client import OpenStackClient
Scott Bakerb63ea792016-08-11 10:24:48 -07008 has_openstack = True
9except:
10 has_openstack = False
11
12manager_enabled = Config().api_nova_enabled
13
14class OpenStackDriver:
15
16 def __init__(self, config = None, client=None):
17 if config:
18 self.config = Config(config)
19 else:
20 self.config = Config()
21
22 if client:
23 self.shell = client
24
25 self.enabled = manager_enabled
26 self.has_openstack = has_openstack
27 self.controller = None
28 self.admin_user = None
29
30 def client_driver(self, caller=None, tenant=None, controller=None):
31 if caller:
32 auth = {'username': caller.email,
33 'password': hashlib.md5(caller.password).hexdigest()[:6],
34 'tenant': tenant}
35 client = OpenStackClient(controller=controller, cacert=self.config.nova_ca_ssl_cert, **auth)
36 else:
37 admin_driver = self.admin_driver(tenant=tenant, controller=controller)
38 client = OpenStackClient(tenant=tenant, controller=admin_driver.controller)
39
40 driver = OpenStackDriver(client=client)
41 #driver.admin_user = admin_driver.admin_user
42 #driver.controller = admin_driver.controller
43 return driver
44
45 def admin_driver(self, tenant=None, controller=None):
46 if isinstance(controller, int):
47 controller = Controller.objects.get(id=controller.id)
48 if not tenant:
49 tenant = controller.admin_tenant
50 client = OpenStackClient(tenant=tenant, controller=controller, cacert=self.config.nova_ca_ssl_cert)
51 driver = OpenStackDriver(client=client)
52 driver.admin_user = client.keystone.users.find(name=controller.admin_user)
53 driver.controller = controller
54 return driver
55
56 def create_role(self, name):
57 roles = self.shell.keystone.roles.findall(name=name)
58 roles_title = self.shell.keystone.roles.findall(name=name.title())
59 roles_found = roles + roles_title
60 if not roles_found:
61 role = self.shell.keystone.roles.create(name)
62 else:
63 role = roles_found[0]
64 return role
65
66 def delete_role(self, filter):
67 roles = self.shell.keystone.roles.findall(**filter)
68 for role in roles:
69 self.shell.keystone.roles.delete(role)
70 return 1
71
72 def create_tenant(self, tenant_name, enabled, description):
73 """Create keystone tenant. Suggested fields: name, description, enabled"""
74 tenants = self.shell.keystone.tenants.findall(name=tenant_name)
75 if not tenants:
76 fields = {'tenant_name': tenant_name, 'enabled': enabled,
77 'description': description}
78 tenant = self.shell.keystone.tenants.create(**fields)
79 else:
80 tenant = tenants[0]
81
82 # always give the admin user the admin role to any tenant created
83 # by the driver.
84 self.add_user_role(self.admin_user.id, tenant.id, 'admin')
85 return tenant
86
87 def update_tenant(self, id, **kwds):
88 return self.shell.keystone.tenants.update(id, **kwds)
89
90 def delete_tenant(self, id):
91 # FIXME: nova_db is commented out in clients.py, throws errors.
92 # Commenting this out for the time being until actually fixed
93
94 #ctx = self.shell.nova_db.ctx
95 tenants = self.shell.keystone.tenants.findall(id=id)
96 for tenant in tenants:
97 # nova does not automatically delete the tenant's instances
98 # so we manually delete instances before deleting the tenant
99 #instances = self.shell.nova_db.instance_get_all_by_filters(ctx,
100 # {'project_id': tenant.id}, 'id', 'asc')
101 #client = OpenStackClient(tenant=tenant.name)
102 #driver = OpenStackDriver(client=client)
103 #for instance in instances:
104 # driver.destroy_instance(instance.id)
105 self.shell.keystone.tenants.delete(tenant)
106 return 1
107
108 def create_user(self, name, email, password, enabled):
109 users = self.shell.keystone.users.findall(email=email)
110 if not users:
111 fields = {'name': name, 'email': email, 'password': password,
112 'enabled': enabled}
113 user = self.shell.keystone.users.create(**fields)
114 else:
115 user = users[0]
116 return user
117
118 def delete_user(self, id):
119 users = self.shell.keystone.users.findall(id=id)
120 for user in users:
121 # delete users keys
122 keys = self.shell.nova.keypairs.findall()
123 for key in keys:
124 self.shell.nova.keypairs.delete(key)
125 self.shell.keystone.users.delete(user)
126 return 1
127
128 def get_admin_role(self):
129 role = None
130 for admin_role_name in ['admin', 'Admin']:
131 roles = self.shell.keystone.roles.findall(name=admin_role_name)
132 if roles:
133 role = roles[0]
134 break
135 return role
136
137 def add_user_role(self, kuser_id, tenant_id, role_name):
138 user = self.shell.keystone.users.find(id=kuser_id)
139 tenant = self.shell.keystone.tenants.find(id=tenant_id)
140 # admin role can be lowercase or title. Look for both
141 role = None
142 if role_name.lower() == 'admin':
143 role = self.get_admin_role()
144 else:
145 # look up non admin role or force exception when admin role isnt found
146 role = self.shell.keystone.roles.find(name=role_name)
147
148 role_found = False
149 user_roles = user.list_roles(tenant.id)
150 for user_role in user_roles:
151 if user_role.name == role.name:
152 role_found = True
153 if not role_found:
154 tenant.add_user(user, role)
155
156 return 1
157
158 def delete_user_role(self, kuser_id, tenant_id, role_name):
159 user = self.shell.keystone.users.find(id=kuser_id)
160 tenant = self.shell.keystone.tenants.find(id=tenant_id)
161 # admin role can be lowercase or title. Look for both
162 role = None
163 if role_name.lower() == 'admin':
164 role = self.get_admin_role()
165 else:
166 # look up non admin role or force exception when admin role isnt found
167 role = self.shell.keystone.roles.find(name=role_name)
168
169 role_found = False
170 user_roles = user.list_roles(tenant.id)
171 for user_role in user_roles:
172 if user_role.name == role.name:
173 role_found = True
174 if role_found:
175 tenant.remove_user(user, role)
176
177 return 1
178
179 def update_user(self, id, fields):
180 if 'password' in fields:
181 self.shell.keystone.users.update_password(id, fields['password'])
182 if 'enabled' in fields:
183 self.shell.keystone.users.update_enabled(id, fields['enabled'])
184 return 1
185
186 def create_router(self, name, set_gateway=True):
187 routers = self.shell.neutron.list_routers(name=name)['routers']
188 if routers:
189 router = routers[0]
190 else:
191 router = self.shell.neutron.create_router({'router': {'name': name}})['router']
192 # add router to external network
193 if set_gateway:
194 nets = self.shell.neutron.list_networks()['networks']
195 for net in nets:
196 if net['router:external'] == True:
197 self.shell.neutron.add_gateway_router(router['id'],
198 {'network_id': net['id']})
199
200 return router
201
202 def delete_router(self, id):
203 routers = self.shell.neutron.list_routers(id=id)['routers']
204 for router in routers:
205 self.shell.neutron.delete_router(router['id'])
206 # remove router form external network
207 #nets = self.shell.neutron.list_networks()['networks']
208 #for net in nets:
209 # if net['router:external'] == True:
210 # self.shell.neutron.remove_gateway_router(router['id'])
211
212 def add_router_interface(self, router_id, subnet_id):
213 router = self.shell.neutron.show_router(router_id)['router']
214 subnet = self.shell.neutron.show_subnet(subnet_id)['subnet']
215 if router and subnet:
216 self.shell.neutron.add_interface_router(router_id, {'subnet_id': subnet_id})
217
218 def delete_router_interface(self, router_id, subnet_id):
219 router = self.shell.neutron.show_router(router_id)
220 subnet = self.shell.neutron.show_subnet(subnet_id)
221 if router and subnet:
222 self.shell.neutron.remove_interface_router(router_id, {'subnet_id': subnet_id})
223
224 def create_network(self, name, shared=False):
225 nets = self.shell.neutron.list_networks(name=name)['networks']
226 if nets:
227 net = nets[0]
228 else:
229 net = self.shell.neutron.create_network({'network': {'name': name, 'shared': shared}})['network']
230 return net
231
232 def delete_network(self, id):
233 nets = self.shell.neutron.list_networks()['networks']
234 for net in nets:
235 if net['id'] == id:
236 # delete_all ports
237 self.delete_network_ports(net['id'])
238 # delete all subnets:
239 for subnet_id in net['subnets']:
240 self.delete_subnet(subnet_id)
241 self.shell.neutron.delete_network(net['id'])
242 return 1
243
244 def delete_network_ports(self, network_id):
245 ports = self.shell.neutron.list_ports()['ports']
246 for port in ports:
247 if port['network_id'] == network_id:
248 self.shell.neutron.delete_port(port['id'])
249 return 1
250
251 def delete_subnet_ports(self, subnet_id):
252 ports = self.shell.neutron.list_ports()['ports']
253 for port in ports:
254 delete = False
255 for fixed_ip in port['fixed_ips']:
256 if fixed_ip['subnet_id'] == subnet_id:
257 delete=True
258 break
259 if delete:
260 self.shell.neutron.delete_port(port['id'])
261 return 1
262
263 def create_subnet(self, name, network_id, cidr_ip, ip_version, start, end):
264 #nets = self.shell.neutron.list_networks(name=network_name)['networks']
265 #if not nets:
266 # raise Exception, "No such network: %s" % network_name
267 #net = nets[0]
268
269 subnet = None
270 subnets = self.shell.neutron.list_subnets()['subnets']
271 for snet in subnets:
272 if snet['cidr'] == cidr_ip and snet['network_id'] == network_id:
273 subnet = snet
274
275 if not subnet:
276 # HACK: Add metadata route -- Neutron does not reliably supply this
277 metadata_ip = cidr_ip.replace("0/24", "3")
278
279 allocation_pools = [{'start': start, 'end': end}]
280 subnet = {'subnet': {'name': name,
281 'network_id': network_id,
282 'ip_version': ip_version,
283 'cidr': cidr_ip,
284 #'dns_nameservers': ['8.8.8.8', '8.8.4.4'],
285 'host_routes': [{'destination':'169.254.169.254/32','nexthop':metadata_ip}],
286 'gateway_ip': None,
287 'allocation_pools': allocation_pools}}
288 subnet = self.shell.neutron.create_subnet(subnet)['subnet']
289 # self.add_external_route(subnet)
290
291 return subnet
292
293 def update_subnet(self, id, fields):
294 return self.shell.neutron.update_subnet(id, fields)
295
296 def delete_subnet(self, id):
297 #return self.shell.neutron.delete_subnet(id=id)
298 # inefficient but fault tolerant
299 subnets = self.shell.neutron.list_subnets()['subnets']
300 for subnet in subnets:
301 if subnet['id'] == id:
302 self.delete_subnet_ports(subnet['id'])
303 self.shell.neutron.delete_subnet(id)
304 self.delete_external_route(subnet)
305 return 1
306
307 def get_external_routes(self):
308 status, output = commands.getstatusoutput('route')
309 routes = output.split('\n')[3:]
310 return routes
311
312 def add_external_route(self, subnet, routes=[]):
313 if not routes:
314 routes = self.get_external_routes()
315
316 ports = self.shell.neutron.list_ports()['ports']
317
318 gw_ip = subnet['gateway_ip']
319 subnet_id = subnet['id']
320
321 # 1. Find the port associated with the subnet's gateway
322 # 2. Find the router associated with that port
323 # 3. Find the port associated with this router and on the external net
324 # 4. Set up route to the subnet through the port from step 3
325 ip_address = None
326 for port in ports:
327 for fixed_ip in port['fixed_ips']:
328 if fixed_ip['subnet_id'] == subnet_id and fixed_ip['ip_address'] == gw_ip:
329 gw_port = port
330 router_id = gw_port['device_id']
331 router = self.shell.neutron.show_router(router_id)['router']
332 if router and router.get('external_gateway_info'):
333 ext_net = router['external_gateway_info']['network_id']
334 for port in ports:
335 if port['device_id'] == router_id and port['network_id'] == ext_net:
336 ip_address = port['fixed_ips'][0]['ip_address']
337
338 if ip_address:
339 # check if external route already exists
340 route_exists = False
341 if routes:
342 for route in routes:
343 if subnet['cidr'] in route and ip_address in route:
344 route_exists = True
345 if not route_exists:
346 cmd = "route add -net %s dev br-ex gw %s" % (subnet['cidr'], ip_address)
347 s, o = commands.getstatusoutput(cmd)
348 #print cmd, "\n", s, o
349
350 return 1
351
352 def delete_external_route(self, subnet):
353 ports = self.shell.neutron.list_ports()['ports']
354
355 gw_ip = subnet['gateway_ip']
356 subnet_id = subnet['id']
357
358 # 1. Find the port associated with the subnet's gateway
359 # 2. Find the router associated with that port
360 # 3. Find the port associated with this router and on the external net
361 # 4. Set up route to the subnet through the port from step 3
362 ip_address = None
363 for port in ports:
364 for fixed_ip in port['fixed_ips']:
365 if fixed_ip['subnet_id'] == subnet_id and fixed_ip['ip_address'] == gw_ip:
366 gw_port = port
367 router_id = gw_port['device_id']
368 router = self.shell.neutron.show_router(router_id)['router']
369 ext_net = router['external_gateway_info']['network_id']
370 for port in ports:
371 if port['device_id'] == router_id and port['network_id'] == ext_net:
372 ip_address = port['fixed_ips'][0]['ip_address']
373
374 if ip_address:
375 cmd = "route delete -net %s" % (subnet['cidr'])
376 commands.getstatusoutput(cmd)
377
378 return 1
379
380 def create_keypair(self, name, public_key):
381 keys = self.shell.nova.keypairs.findall(name=name)
382 if keys:
383 key = keys[0]
384 # update key
385 if key.public_key != public_key:
386 self.delete_keypair(key.id)
387 key = self.shell.nova.keypairs.create(name=name, public_key=public_key)
388 else:
389 key = self.shell.nova.keypairs.create(name=name, public_key=public_key)
390 return key
391
392 def delete_keypair(self, id):
393 keys = self.shell.nova.keypairs.findall(id=id)
394 for key in keys:
395 self.shell.nova.keypairs.delete(key)
396 return 1
397
398 def get_private_networks(self, tenant=None):
399 if not tenant:
400 tenant = self.shell.nova.tenant
401 tenant = self.shell.keystone.tenants.find(name=tenant)
402 search_opts = {"tenant_id": tenant.id, "shared": False}
403 private_networks = self.shell.neutron.list_networks(**search_opts)
404 return private_networks
405
406 def get_shared_networks(self):
407 search_opts = {"shared": True}
408 shared_networks = self.shell.neutron.list_networks(**search_opts)
409 return shared_networks
410
411 def get_network_subnet(self, network_id):
412 subnet_id = None
413 subnet = None
414 if network_id:
415 os_networks = self.shell.neutron.list_networks(id=network_id)["networks"]
416 if os_networks:
417 os_network = os_networks[0]
418 if os_network['subnets']:
419 subnet_id = os_network['subnets'][0]
420 os_subnets = self.shell.neutron.list_subnets(id=subnet_id)['subnets']
421 if os_subnets:
422 subnet = os_subnets[0]['cidr']
423
424 return (subnet_id, subnet)
425
426 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):
427 if not flavor_name:
428 flavor_name = self.config.nova_default_flavor
429
430 flavor = self.shell.nova.flavors.find(name=flavor_name)
431
432 if not security_group:
433 security_group = self.config.nova_default_security_group
434
435 files = {}
436 #if pubkeys:
437 # files["/root/.ssh/authorized_keys"] = "\n".join(pubkeys).encode('base64')
438 hints = {}
439
440 # determine availability zone and compute host
441 availability_zone_filter = None
442 if availability_zone is None or not availability_zone:
443 availability_zone_filter = 'nova'
444 else:
445 availability_zone_filter = availability_zone
446 if hostname:
447 availability_zone_filter += ':%s' % hostname
448
449 server = self.shell.nova.servers.create(
450 name=name,
451 key_name = key_name,
452 flavor=flavor.id,
453 image=image_id,
454 security_group = security_group,
455 #files = files,
456 scheduler_hints=hints,
457 availability_zone=availability_zone_filter,
458 nics=nics,
459 networks=nics,
460 meta=metadata,
461 userdata=userdata)
462 return server
463
464 def destroy_instance(self, id):
465 if (self.shell.nova.tenant=="admin"):
466 # findall() is implemented as a list() followed by a python search of the
467 # list. Since findall() doesn't accept "all_tenants", we do this using
468 # list() ourselves. This allows us to delete an instance as admin.
469 servers = self.shell.nova.servers.list(search_opts={"all_tenants": True})
470 else:
471 servers = self.shell.nova.servers.list()
472 for server in servers:
473 if server.id == id:
474 result=self.shell.nova.servers.delete(server)
475
476 def update_instance_metadata(self, id, metadata):
477 servers = self.shell.nova.servers.findall(id=id)
478 for server in servers:
479 self.shell.nova.servers.set_meta(server, metadata)
480 # note: set_meta() returns a broken Server() object. Don't try to
481 # print it in the shell or it will fail in __repr__.
482
483 def delete_instance_metadata(self, id, metadata):
484 # note: metadata is a dict. Only the keys matter, not the values.
485 servers = self.shell.nova.servers.findall(id=id)
486 for server in servers:
487 self.shell.nova.servers.delete_meta(server, metadata)
488