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         tenants = self.shell.keystone.tenants.findall(id=id)
  47         for tenant in tenants:
  48             self.shell.keystone.tenants.delete(tenant)
  49         return 1
  50
  51     def create_user(self, name, email, password, enabled):
  52         users = self.shell.keystone.users.findall(email=email)
  53         if not users:
  54             fields = {'name': name, 'email': email, 'password': password,
  55                       'enabled': enabled}
  56             user = self.shell.keystone.users.create(**fields)
  57         else:
  58             user = users[0]
  59         return user
  60
  61     def delete_user(self, id):
  62         users = self.shell.keystone.users.findall(id=id)
  63         for user in users:
  64             self.shell.keystone.users.delete(user)
  65         return 1
  66
  67     def add_user_role(self, user_id, tenant_id, role_name):
  68         user = self.shell.keystone.users.find(id=user_id)
  69         tenant = self.shell.keystone.tenants.find(id=tenant_id)
  70         role = self.shell.keystone.roles.find(name=role_name)
  71
  72         role_found = False
  73         user_roles = user.list_roles(tenant.id)
  74         for user_role in user_roles:
  75             if user_role.name == role.name:
  76                 role_found = True
  77         if not role_found:
  78             tenant.add_user(user, role)
  79
  80         return 1
  81
  82     def delete_user_role(self, user_id, tenant_id, role_name):
  83         user = self.shell.keystone.users.find(id=user_id)
  84         tenant = self.shell.keystone.tenants.find(id=tenant_id)
  85         role = self.shell.keystone.roles.find(name=role_name)
  86
  87         role_found = False
  88         user_roles = user.list_roles(tenant.id)
  89         for user_role in user_roles:
  90             if user_role.name == role.name:
  91                 role_found = True
  92         if role_found:
  93             tenant.remove_user(user, role)
  94
  95         return 1
  96
  97     def update_user(self, id, **kwds):
  98         return self.shell.keystone.users.update(id, **kwds)
  99
 100     def create_router(self, name, set_gateway=True):
 101         routers = self.shell.quantum.list_routers(name=name)['routers']
 102         if routers:
 103             router = routers[0]
 104         else:
 105             router = self.shell.quantum.create_router({'router': {'name': name}})['router']
 106         # add router to external network
 107         if set_gateway:
 108             nets = self.shell.quantum.list_networks()['networks']
 109             for net in nets:
 110                 if net['router:external'] == True:
 111                     self.shell.quantum.add_gateway_router(router['id'],
 112                                                           {'network_id': net['id']})
 113
 114         return router
 115
 116     def delete_router(self, id):
 117         routers = self.shell.quantum.list_routers(id=id)['routers']
 118         for router in routers:
 119             self.shell.quantum.delete_router(router['id'])
 120             # remove router form external network
 121             #nets = self.shell.quantum.list_networks()['networks']
 122             #for net in nets:
 123             #    if net['router:external'] == True:
 124             #        self.shell.quantum.remove_gateway_router(router['id'])
 125
 126     def add_router_interface(self, router_id, subnet_id):
 127         router = self.shell.quantum.show_router(router_id)['router']
 128         subnet = self.shell.quantum.show_subnet(subnet_id)['subnet']
 129         if router and subnet:
 130             self.shell.quantum.add_interface_router(router_id, {'subnet_id': subnet_id})
 131
 132     def delete_router_interface(self, router_id, subnet_id):
 133         router = self.shell.quantum.show_router(router_id)
 134         subnet = self.shell.quantum.show_subnet(subnet_id)
 135         if router and subnet:
 136             self.shell.quantum.remove_interface_router(router_id, {'subnet_id': subnet_id})
 137
 138     def create_network(self, name):
 139         nets = self.shell.quantum.list_networks(name=name)['networks']
 140         if nets:
 141             net = nets[0]
 142         else:
 143             net = self.shell.quantum.create_network({'network': {'name': name}})['network']
 144         return net
 145
 146     def delete_network(self, id):
 147         nets = self.shell.quantum.list_networks()['networks']
 148         for net in nets:
 149             if net['id'] == id:
 150                 # delete_all ports
 151                 self.delete_network_ports(net['id'])
 152                 # delete all subnets:
 153                 for subnet_id in net['subnets']:
 154                     self.delete_subnet(subnet_id)
 155                 self.shell.quantum.delete_network(net['id'])
 156         return 1
 157
 158     def delete_network_ports(self, network_id):
 159         ports = self.shell.quantum.list_ports()['ports']
 160         for port in ports:
 161             if port['network_id'] == network_id:
 162                 self.shell.quantum.delete_port(port['id'])
 163         return 1
 164
 165     def delete_subnet_ports(self, subnet_id):
 166         ports = self.shell.quantum.list_ports()['ports']
 167         for port in ports:
 168             delete = False
 169             for fixed_ip in port['fixed_ips']:
 170                 if fixed_ip['subnet_id'] == subnet_id:
 171                     delete=True
 172                     break
 173             if delete:
 174                 self.shell.quantum.delete_port(port['id'])
 175         return 1
 176
 177     def create_subnet(self, name, network_id, cidr_ip, ip_version, start, end):
 178         #nets = self.shell.quantum.list_networks(name=network_name)['networks']
 179         #if not nets:
 180         #    raise Exception, "No such network: %s" % network_name
 181         #net = nets[0]
 182
 183         subnet = None
 184         subnets = self.shell.quantum.list_subnets()['subnets']
 185         for snet in subnets:
 186             if snet['cidr'] == cidr_ip and snet['network_id'] == network_id:
 187                 subnet = snet
 188
 189         if not subnet:
 190             allocation_pools = [{'start': start, 'end': end}]
 191             subnet = {'subnet': {'name': name,
 192                                  'network_id': network_id,
 193                                  'ip_version': ip_version,
 194                                  'cidr': cidr_ip,
 195                                  'dns_nameservers': ['8.8.8.8', '8.8.8.4'],
 196                                  'allocation_pools': allocation_pools}}
 197             subnet = self.shell.quantum.create_subnet(subnet)['subnet']
 198
 199         # TODO: Add route to external network
 200         # e.g. #  route add -net 10.0.3.0/24 dev br-ex gw 10.100.0.5
 201         return subnet
 202
 203     def update_subnet(self, id, fields):
 204         return self.shell.quantum.update_subnet(id, fields)
 205
 206     def delete_subnet(self, id):
 207         #return self.shell.quantum.delete_subnet(id=id)
 208         # inefficient but fault tolerant
 209         subnets = self.shell.quantum.list_subnets()['subnets']
 210         for subnet in subnets:
 211             if subnet['id'] == id:
 212                 self.delete_subnet_ports(subnet['id'])
 213                 self.shell.quantum.delete_subnet(id)
 214         return
 215
 216     def create_keypair(self, name, key):
 217         keys = self.shell.nova.keypairs.findall(name=name)
 218         if keys:
 219             key = keys[0]
 220         else:
 221             key = self.shell.nova.keypairs.create(name=name, public_key=key)
 222         return key
 223
 224     def delete_keypair(self, id):
 225         keys = self.shell.nova.keypairs.findall(id=id)
 226         for key in keys:
 227             self.shell.nova.keypairs.delete(key)
 228         return 1
 229
 230     def spawn_instance(self, name, key_name=None, hostname=None, flavor_id=None, image_id=None, security_group=None, pubkeys=[]):
 231         #if not flavor_id:
 232         #    flavor = self.config.nova_default_flavor
 233         #if not image:
 234         #    image = self.config.nova_default_imave
 235         if not security_group:
 236             security_group = self.config.nova_default_security_group
 237
 238         authorized_keys = "\n".join(pubkeys)
 239         files = {'/root/.ssh/authorized_keys': authorized_keys}
 240
 241         hints = {}
 242         availability_zone = None
 243         if hostname:
 244             availability_zone = 'nova:%s' % hostname
 245         server = self.shell.nova.servers.create(
 246                                             name=name,
 247                                             key_name = key_name,
 248                                             flavor=flavor_id,
 249                                             image=image_id,
 250                                             security_group = security_group,
 251                                             files=files,
 252                                             scheduler_hints=hints,
 253                                             availability_zone=availability_zone)
 254         return server
 255
 256     def destroy_instance(self, id):
 257         servers = self.shell.nova.servers.findall(id=id)
 258         for server in servers:
 259             self.shell.nova.servers.delete(server)