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
 121             # remove router form external network
 122             nets = self.shell.quantum.list_networks()['networks']
 123             for net in nets:
 124                 if net['router:external'] == True:
 125                     self.shell.quantum.add_gateway_router(router['id'],
 126                                                           {'network_id': net['id']})
 127
 128     def add_router_interface(self, router_id, subnet_id):
 129         router = self.shell.quantum.show_router(router_id)['router']
 130         subnet = self.shell.quantum.show_subnet(subnet_id)['subnet']
 131         if router and subnet:
 132             self.shell.quantum.add_interface_router(router_id, {'subnet_id': subnet_id})
 133
 134     def delete_router_interface(self, router_id, subnet_id):
 135         router = self.shell.quantum.show_router(router_id)
 136         subnet = self.shell.quantum.show_subnet(subnet_id)
 137         if router and subnet:
 138             self.shell.quantum.remove_interface_router(router_id, {'subnet_id': subnet_id})
 139
 140     def create_network(self, name):
 141         nets = self.shell.quantum.list_networks(name=name)['networks']
 142         if nets:
 143             net = nets[0]
 144         else:
 145             net = self.shell.quantum.create_network({'network': {'name': name}})['network']
 146         return net
 147
 148     def delete_network(self, id):
 149         nets = self.shell.quantum.list_networks()['networks']
 150         for net in nets:
 151             if net['id'] == id:
 152                 # delete_all ports
 153                 self.delete_network_ports(net['id'])
 154                 # delete all subnets:
 155                 for subnet_id in net['subnets']:
 156                     self.delete_subnet(subnet_id)
 157                 self.shell.quantum.delete_network(net['id'])
 158         return 1
 159
 160     def delete_network_ports(self, network_id):
 161         ports = self.shell.quantum.list_ports()['ports']
 162         for port in ports:
 163             if port['network_id'] == network_id:
 164                 self.shell.quantum.delete_port(port['id'])
 165         return 1
 166
 167     def delete_subnet_ports(self, subnet_id):
 168         ports = self.shell.quantum.list_ports()['ports']
 169         for port in ports:
 170             delete = False
 171             for fixed_ip in port['fixed_ips']:
 172                 if fixed_ip['subnet_id'] == subnet_id:
 173                     delete=True
 174                     break
 175             if delete:
 176                 self.shell.quantum.delete_port(port['id'])
 177         return 1
 178
 179     def create_subnet(self, name, network_id, cidr_ip, ip_version, start, end):
 180         #nets = self.shell.quantum.list_networks(name=network_name)['networks']
 181         #if not nets:
 182         #    raise Exception, "No such network: %s" % network_name
 183         #net = nets[0]
 184
 185         subnet = None
 186         subnets = self.shell.quantum.list_subnets()['subnets']
 187         for snet in subnets:
 188             if snet['cidr'] == cidr_ip and snet['network_id'] == network_id:
 189                 subnet = snet
 190
 191         if not subnet:
 192             allocation_pools = [{'start': start, 'end': end}]
 193             subnet = {'subnet': {'name': name,
 194                                  'network_id': network_id,
 195                                  'ip_version': ip_version,
 196                                  'cidr': cidr_ip,
 197                                  'dns_nameservers': ['8.8.8.8', '8.8.8.4'],
 198                                  'allocation_pools': allocation_pools}}
 199             subnet = self.shell.quantum.create_subnet(subnet)['subnet']
 200
 201         # TODO: Add route to external network
 202         # e.g. #  route add -net 10.0.3.0/24 dev br-ex gw 10.100.0.5
 203         return subnet
 204
 205     def update_subnet(self, id, fields):
 206         return self.shell.quantum.update_subnet(id, fields)
 207
 208     def delete_subnet(self, id):
 209         #return self.shell.quantum.delete_subnet(id=id)
 210         # inefficient but fault tolerant
 211         subnets = self.shell.quantum.list_subnets()['subnets']
 212         for subnet in subnets:
 213             if subnet['id'] == id:
 214                 self.delete_subnet_ports(subnet['id'])
 215                 self.shell.quantum.delete_subnet(id)
 216         return
 217
 218     def create_keypair(self, name, key):
 219         keys = self.shell.nova.keypairs.findall(name=name)
 220         if keys:
 221             key = keys[0]
 222         else:
 223             key = self.shell.nova.keypairs.create(name=name, public_key=key)
 224         return key
 225
 226     def delete_keypair(self, id):
 227         keys = self.shell.nova.keypairs.findall(id=id)
 228         for key in keys:
 229             self.shell.nova.keypairs.delete(key)
 230         return 1
 231
 232     def spawn_instance(self, name, key_name=None, hostname=None, flavor_id=None, image_id=None, security_group=None, pubkeys=[]):
 233         #if not flavor_id:
 234         #    flavor = self.config.nova_default_flavor
 235         #if not image:
 236         #    image = self.config.nova_default_imave
 237         if not security_group:
 238             security_group = self.config.nova_default_security_group
 239
 240         authorized_keys = "\n".join(pubkeys)
 241         files = {'/root/.ssh/authorized_keys': authorized_keys}
 242
 243         hints = {}
 244         availability_zone = None
 245         if hostname:
 246             availability_zone = 'nova:%s' % hostname
 247         server = self.shell.nova.servers.create(
 248                                             name=name,
 249                                             key_name = key_name,
 250                                             flavor=flavor_id,
 251                                             image=image_id,
 252                                             security_group = security_group,
 253                                             files=files,
 254                                             scheduler_hints=hints,
 255                                             availability_zone=availability_zone)
 256         return server
 257
 258     def destroy_instance(self, id):
 259         servers = self.shell.nova.servers.findall(id=id)
 260         for server in servers:
 261             self.shell.nova.servers.delete(server)