plstackapi/openstack/driver.py

   1 from plstackapi.planetstack.config import Config
   2 from plstackapi.openstack.client import OpenStackClient
   3
   4 class OpenStackDriver:
   5
   6     def __init__(self, config = None, client=None):
   7         if config:
   8             self.config = Config(config)
   9         else:
  10             self.config = Config()
  11
  12         if client:
  13             self.shell = client
  14         else:
  15             self.shell = OpenStackClient()
  16
  17     def create_role(self, name):
  18         roles = self.shell.keystone.roles.findall(name=name)
  19         if not roles:
  20             role = self.shell.keystone.roles.create(name)
  21         else:
  22             role = roles[0]
  23         return role
  24
  25     def delete_role(self, filter):
  26         roles = self.shell.keystone.roles.findall(**filter)
  27         for role in roles:
  28             self.shell.keystone.roles.delete(role)
  29         return 1
  30
  31     def create_tenant(self, tenant_name, enabled, description):
  32         """Create keystone tenant. Suggested fields: name, description, enabled"""
  33         tenants = self.shell.keystone.tenants.findall(name=tenant_name)
  34         if not tenants:
  35             fields = {'tenant_name': tenant_name, 'enabled': enabled,
  36                       'description': description}
  37             tenant = self.shell.keystone.tenants.create(**fields)
  38         else:
  39             tenant = tenants[0]
  40         return tenant
  41
  42     def update_tenant(self, id, **kwds):
  43         return self.shell.keystone.tenants.update(id, **kwds)
  44
  45     def delete_tenant(self, id):
  46         tenant = self.shell.keystone.tenants.find(id=id)
  47         return self.shell.keystone.tenants.delete(tenant)
  48
  49     def create_user(self, name, email, password, enabled):
  50         users = self.shell.keystone.users.findall(email=email)
  51         if not users:
  52             fields = {'name': name, 'email': email, 'password': password,
  53                       'enabled': enabled}
  54             user = self.shell.keystone.users.create(**fields)
  55         else:
  56             user = users[0]
  57         return user
  58
  59     def add_user_role(self, user_id, tenant_id, role_name):
  60         user = self.shell.keystone.users.find(id=user_id)
  61         tenant = self.shell.keystone.tenants.find(id=tenant_id)
  62         role = self.shell.keystone.roles.find(role_name)
  63         return tenant.add_user(user, role)
  64
  65     def delete_user_role(self, user_id, tenant_id, role_name):
  66         user = self.shell.keystone.users.find(id=user_id)
  67         tenant = self.shell.keystone.tenants.find(id=tenant_id)
  68         role = self.shell.keystone.roles.find(role_name)
  69         return tenant.delete_user(user, role)
  70
  71     def update_user(self, id, **kwds):
  72         return self.shell.keystone.users.update(id, **kwds)
  73
  74     def delete_user(self, id):
  75         user = self.shell.keystone.users.find(id=id)
  76         return self.shell.keystone.users.delete(user)
  77
  78     def create_router(self, name, set_gateway=True):
  79         routers = self.shell.quantum.list_routers(name=name)['routers']
  80         if routers:
  81             router = routers[0]
  82         else:
  83             router = self.shell.quantum.create_router({'router': {'name': name}})
  84         if set_gateway:
  85             nets = self.shell.quantum.list_networks()['networks']
  86             for net in nets:
  87                 if net['router:external'] == True:
  88                     self.shell.quantum.add_gateway_router(router['id'],
  89                                                           {'network_id': net['id']})
  90
  91         return router
  92
  93     def delete_router(self, name):
  94         routers = self.shell.quantum.list_routers(name=name)['routers']
  95         for router in routers:
  96             self.shell.quantum.delete_router(router['id'])
  97
  98     def add_router_interface(self, router_id, subnet_id):
  99         router = None
 100         subnet = None
 101         for r in self.shell.quantum.list_routers():
 102             if r['id'] == router_id:
 103                 router = r
 104                 break
 105         for s in self.shell.quantum.list_subnets():
 106             if s['id'] == subnet_id:
 107                 subnet = s
 108                 break
 109
 110         if router and subnet:
 111             self.shell.quantum.router_add_interface(router, subnet)
 112
 113     def delete_router_interface(self, router_id, subnet_id):
 114         router = None
 115         subnet = None
 116         for r in self.shell.quantum.list_routers():
 117             if r['id'] == router_id:
 118                 router = r
 119                 break
 120         for s in self.shell.quantum.list_subnets():
 121             if s['id'] == subnet_id:
 122                 subnet = s
 123                 break
 124
 125         if router and subnet:
 126             self.shell.quantum.router_remove_interface(router, subnet)
 127
 128     def create_network(self, name):
 129         nets = self.shell.quantum.list_networks(name=name)['networks']
 130         if nets:
 131             net = nets[0]
 132         else:
 133             net = self.shell.quantum.create_network({'network': {'name': name}})
 134         return net
 135
 136     def delete_network(self, name):
 137         nets = self.shell.quantum.list_networks(name=name)['networks']
 138         for net in nets:
 139             # delete all subnets:
 140             #subnets = self.api.client_shell.quantum.list_subnets(network_id=net['network_id'])['subnets']
 141             for subnet_id in net['subnets']:
 142                 self.delete_subnet(subnet_id)
 143             self.shell.quantum.delete_network(net['id'])
 144
 145     def create_subnet(self, network_name, cidr_ip, ip_version, start, end):
 146         nets = self.shell.quantum.list_networks(name=network_name)
 147         if not nets:
 148             raise Exception, "No such network: %s" % network_name
 149         nets = nets[0]
 150
 151         subnets = self.shell.quantum.list_subnets(name=self.name)
 152         allocation_pools = [{'start': start, 'end': end}]
 153         subnet = self.shell.quantum.create_subnet(network_id=net['id'],
 154                                                 ip_version=ip_version,
 155                                                 cidr=cidr_ip,
 156                                                 dns_nameservers=['8.8.8.8', '8.8.8.4'],
 157                                                 allocation_pools=allocation_pools)
 158
 159         # TODO: Add route to external network
 160         # e.g. #  route add -net 10.0.3.0/24 dev br-ex gw 10.100.0.5
 161         return subnet
 162
 163     def delete_subnet(self, id):
 164         return self.shell.quantum.delete_subnet(id=id)
 165
 166
 167     def create_keypair(self, name, key):
 168         keys = self.shell.nova.keypairs.findall(name=name)
 169         if keys:
 170             key = keys[0]
 171         else:
 172             key = self.shell.nova.keypairs.create(name=name, public_key=key)
 173         return key
 174
 175     def delete_keypair(self, name):
 176         keys = self.shell.nova.keypairs.findall(name=name)
 177         for key in keys:
 178             self.shell.nova.keypairs.delete(key)
 179
 180     def spawn_instance(self, name, key_name=None, hostname=None, flavor=None, image=None, security_group=None, pubkeys=[]):
 181         if not flavor:
 182             flavor = self.config.nova_default_flavor
 183         if not image:
 184             image = self.config.nova_default_imave
 185         if not security_group:
 186             security_group = self.config.nova_default_security_group
 187
 188         authorized_keys = "\n".join(pubkeys)
 189         files = {'/root/.ssh/authorized_keys': authorized_keys}
 190
 191         flavor_id = self.shell.nova.flavors.find(name=flavor)
 192         images = self.shell.glance.get_images(name=image)
 193         if not images:
 194             raise Exception, "Image not found: " + image
 195         image_id = images[0]['id']
 196         hints = {}
 197         if hostname:
 198             #hints['force_hosts']= hostname
 199             hints['availability-zone'] = 'nova:%s' % hostname
 200         server = self.shell.nova.servers.create(
 201                                             name=name,
 202                                             key_name = key_name,
 203                                             flavor=flavor_id,
 204                                             image=image_id,
 205                                             security_group = security_group,
 206                                             files=files,
 207                                             scheduler_hints=hints)
 208         return server
 209
 210     def destroy_instance(self, name, id=None):
 211         args = {'name': name}
 212         if id:
 213             args['id'] = id
 214         servers = self.shell.nova.servers.findall(**args)
 215         for server in servers:
 216             if name == server.name:
 217                 if not id or id == server.id:
 218                     self.shell.nova.servers.delete(server)