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, net)
  89
  90         return router
  91
  92     def delete_router(self, name):
  93         routers = self.shell.quantum.list_routers(name=name)['routers']
  94         for router in routers:
  95             self.shell.quantum.delete_router(router['id'])
  96
  97     def add_router_interface(self, router_id, subnet_id):
  98         router = None
  99         subnet = None
 100         for r in self.shell.quantum.list_routers():
 101             if r['id'] == router_id:
 102                 router = r
 103                 break
 104         for s in self.shell.quantum.list_subnets():
 105             if s['id'] == subnet_id:
 106                 subnet = s
 107                 break
 108
 109         if router and subnet:
 110             self.shell.quantum.router_add_interface(router, subnet)
 111
 112     def delete_router_interface(self, router_id, subnet_id):
 113         router = None
 114         subnet = None
 115         for r in self.shell.quantum.list_routers():
 116             if r['id'] == router_id:
 117                 router = r
 118                 break
 119         for s in self.shell.quantum.list_subnets():
 120             if s['id'] == subnet_id:
 121                 subnet = s
 122                 break
 123
 124         if router and subnet:
 125             self.shell.quantum.router_remove_interface(router, subnet)
 126
 127     def create_network(self, name):
 128         nets = self.shell.quantum.list_networks(name=name)['networks']
 129         if nets:
 130             net = nets[0]
 131         else:
 132             net = self.shell.quantum.create_network({'network': {'name': name}})
 133         return net
 134
 135     def delete_network(self, name):
 136         nets = self.shell.quantum.list_networks(name=name)['networks']
 137         for net in nets:
 138             # delete all subnets:
 139             #subnets = self.api.client_shell.quantum.list_subnets(network_id=net['network_id'])['subnets']
 140             for subnet_id in net['subnets']:
 141                 self.delete_subnet(subnet_id)
 142             self.shell.quantum.delete_network(net['id'])
 143
 144     def create_subnet(self, network_name, cidr_ip, ip_version, start, end):
 145         nets = self.shell.quantum.list_networks(name=network_name)
 146         if not nets:
 147             raise Exception, "No such network: %s" % network_name
 148         nets = nets[0]
 149
 150         subnets = self.shell.quantum.list_subnets(name=self.name)
 151         allocation_pools = [{'start': start, 'end': end}]
 152         subnet = self.shell.quantum.create_subnet(network_id=net['id'],
 153                                                 ip_version=ip_version,
 154                                                 cidr=cidr_ip,
 155                                                 dns_nameservers=['8.8.8.8', '8.8.8.4'],
 156                                                 allocation_pools=allocation_pools)
 157
 158         # TODO: Add route to external network
 159         # e.g. #  route add -net 10.0.3.0/24 dev br-ex gw 10.100.0.5
 160         return subnet
 161
 162     def delete_subnet(self, id):
 163         return self.shell.quantum.delete_subnet(id=id)
 164
 165
 166     def create_keypair(self, name, key):
 167         keys = self.shell.nova.keypairs.findall(name=name)
 168         if keys:
 169             key = keys[0]
 170         else:
 171             key = self.shell.nova.keypairs.create(name=name, public_key=key)
 172         return key
 173
 174     def delete_keypair(self, name):
 175         keys = self.shell.nova.keypairs.findall(name=name)
 176         for key in keys:
 177             self.shell.nova.keypairs.delete(key)
 178
 179     def spawn_instance(self, name, key_name=None, hostname=None, flavor=None, image=None, security_group=None, pubkeys=[]):
 180         if not flavor:
 181             flavor = self.config.nova_default_flavor
 182         if not image:
 183             image = self.config.nova_default_imave
 184         if not security_group:
 185             security_group = self.config.nova_default_security_group
 186
 187         authorized_keys = "\n".join(pubkeys)
 188         files = {'/root/.ssh/authorized_keys': authorized_keys}
 189
 190         flavor_id = self.shell.nova.flavors.find(name=flavor)
 191         images = self.shell.glance.get_images(name=image)
 192         if not images:
 193             raise Exception, "Image not found: " + image
 194         image_id = images[0]['id']
 195         hints = {}
 196         if hostname:
 197             hints['force_hosts']= hostname
 198         server = self.shell.nova.servers.create(
 199                                             name=name,
 200                                             key_name = key_name,
 201                                             flavor=flavor_id,
 202                                             image=image_id,
 203                                             security_group = security_group,
 204                                             files=files,
 205                                             scheduler_hints=hints)
 206         return server
 207
 208     def destroy_instance(self, name, id=None):
 209         args = {'name': name}
 210         if id:
 211             args['id'] = id
 212         servers = self.shell.nova.servers.findall(**args)
 213         for server in servers:
 214             if name == server.name:
 215                 if not id or id == server.id:
 216                     self.shell.nova.servers.delete(server)