plstackapi/openstack/driver.py

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