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