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(role_name)
  71         return tenant.add_user(user, role)
  72
  73     def delete_user_role(self, user_id, tenant_id, role_name):
  74         user = self.shell.keystone.users.find(id=user_id)
  75         tenant = self.shell.keystone.tenants.find(id=tenant_id)
  76         role = self.shell.keystone.roles.find(role_name)
  77         return tenant.delete_user(user, role)
  78
  79     def update_user(self, id, **kwds):
  80         return self.shell.keystone.users.update(id, **kwds)
  81
  82     def create_router(self, name, set_gateway=True):
  83         routers = self.shell.quantum.list_routers(name=name)['routers']
  84         if routers:
  85             router = routers[0]
  86         else:
  87             router = self.shell.quantum.create_router({'router': {'name': name}})['router']
  88         if set_gateway:
  89             nets = self.shell.quantum.list_networks()['networks']
  90             for net in nets:
  91                 if net['router:external'] == True:
  92                     self.shell.quantum.add_gateway_router(router['id'],
  93                                                           {'network_id': net['id']})
  94
  95         return router
  96
  97     def delete_router(self, id):
  98         routers = self.shell.quantum.list_routers(id=id)['routers']
  99         for router in routers:
 100             self.shell.quantum.delete_router(router['id'])
 101
 102     def add_router_interface(self, router_id, subnet_id):
 103         router = self.shell.quantum.show_router(router_id)['router']
 104         subnet = self.shell.quantum.show_subnet(subnet_id)['subnet']
 105         if router and subnet:
 106             self.shell.quantum.add_interface_router(router_id, {'subnet_id': subnet_id})
 107
 108     def delete_router_interface(self, router_id, subnet_id):
 109         router = self.shell.quantum.show_router(router_id)
 110         subnet = self.shell.quantum.show_subnet(subnet_id)
 111         if router and subnet:
 112             self.shell.quantum.remove_interface_router(router_id, {'subnet_id': subnet_id})
 113
 114     def create_network(self, name):
 115         nets = self.shell.quantum.list_networks(name=name)['networks']
 116         if nets:
 117             net = nets[0]
 118         else:
 119             net = self.shell.quantum.create_network({'network': {'name': name}})['network']
 120         return net
 121
 122     def delete_network(self, id):
 123         nets = self.shell.quantum.list_networks()['networks']
 124         for net in nets:
 125             if net['id'] == id:
 126                 # delete all subnets:
 127                 for subnet_id in net['subnets']:
 128                     self.delete_subnet(subnet_id)
 129                 self.shell.quantum.delete_network(net['id'])
 130         return 1
 131
 132     def create_subnet(self, name, network_id, cidr_ip, ip_version, start, end):
 133         #nets = self.shell.quantum.list_networks(name=network_name)['networks']
 134         #if not nets:
 135         #    raise Exception, "No such network: %s" % network_name
 136         #net = nets[0]
 137
 138         subnet = None
 139         subnets = self.shell.quantum.list_subnets()['subnets']
 140         for snet in subnets:
 141             if snet['cidr'] == cidr_ip and snet['network_id'] == network_id:
 142                 subnet = snet
 143
 144         if not subnet:
 145             allocation_pools = [{'start': start, 'end': end}]
 146             subnet = {'subnet': {'name': name,
 147                                  'network_id': network_id,
 148                                  'ip_version': ip_version,
 149                                  'cidr': cidr_ip,
 150                                  'dns_nameservers': ['8.8.8.8', '8.8.8.4'],
 151                                  'allocation_pools': allocation_pools}}
 152             subnet = self.shell.quantum.create_subnet(subnet)['subnet']
 153
 154         # TODO: Add route to external network
 155         # e.g. #  route add -net 10.0.3.0/24 dev br-ex gw 10.100.0.5
 156         return subnet
 157
 158     def update_subnet(self, id, fields):
 159         return self.shell.quantum.update_subnet(id, fields)
 160
 161     def delete_subnet(self, id):
 162         #return self.shell.quantum.delete_subnet(id=id)
 163         # inefficient but fault tolerant
 164         subnets = self.shell.quantum.list_subnets()['subnets']
 165         for subnet in subnets:
 166             if subnet['id'] == id:
 167                 self.shell.quantum.delete_subnet(id)
 168         return
 169
 170
 171     def create_keypair(self, name, key):
 172         keys = self.shell.nova.keypairs.findall(name=name)
 173         if keys:
 174             key = keys[0]
 175         else:
 176             key = self.shell.nova.keypairs.create(name=name, public_key=key)
 177         return key
 178
 179     def delete_keypair(self, id):
 180         keys = self.shell.nova.keypairs.findall(id=id)
 181         for key in keys:
 182             self.shell.nova.keypairs.delete(key)
 183         return 1
 184
 185     def spawn_instance(self, name, key_name=None, hostname=None, flavor_id=None, image_id=None, security_group=None, pubkeys=[]):
 186         #if not flavor_id:
 187         #    flavor = self.config.nova_default_flavor
 188         #if not image:
 189         #    image = self.config.nova_default_imave
 190         if not security_group:
 191             security_group = self.config.nova_default_security_group
 192
 193         authorized_keys = "\n".join(pubkeys)
 194         files = {'/root/.ssh/authorized_keys': authorized_keys}
 195
 196         hints = {}
 197         if hostname:
 198             #hints['force_hosts']= hostname
 199             #hints['availability-zone'] = 'nova:%s' % hostname
 200             pass
 201         server = self.shell.nova.servers.create(
 202                                             name=name,
 203                                             key_name = key_name,
 204                                             flavor=flavor_id,
 205                                             image=image_id,
 206                                             security_group = security_group,
 207                                             files=files,
 208                                             scheduler_hints=hints)
 209         return server
 210
 211     def destroy_instance(self, name, id=None):
 212         args = {'name': name}
 213         if id:
 214             args['id'] = id
 215         servers = self.shell.nova.servers.findall(**args)
 216         for server in servers:
 217             if name == server.name:
 218                 if not id or id == server.id:
 219                     self.shell.nova.servers.delete(server)