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):
  61         router = self.shell.quantum.create_router(name=name)
  62         # TODO: add router to external network
  63         return router
  64
  65     def delete_router(self, name):
  66         return self.shell.quantum.delete_router(name=name)
  67
  68     def create_network(self, name):
  69         return self.shell.quantum.create_network(name=name, admin_state_up=True)
  70
  71     def delete_network(self, name):
  72         nets = self.shell.quantum.list_networks(name=name)
  73         for net in nets:
  74             # delete all subnets:
  75             #subnets = self.api.client_shell.quantum.list_subnets(network_id=net['network_id'])['subnets']
  76             for subnet_id in net['subnets']:
  77                 self.delete_subnet(subnet_id)
  78             self.shell.quantum.delete_network(net['id'])
  79
  80     def create_subnet(self, network_name, cidr_ip, ip_version, start, end):
  81         nets = self.shell.quantum.list_networks(name=network_name)
  82         if not nets:
  83             raise Exception, "No such network: %s" % network_name
  84         nets = nets[0]
  85
  86         subnets = self.shell.quantum.list_subnets(name=self.name)
  87         allocation_pools = [{'start': start, 'end': end}]
  88         subnet = self.shell.quantum.create_subnet(network_id=net['id'],
  89                                                 ip_version=ip_version,
  90                                                 cidr=cidr_ip,
  91                                                 dns_nameservers=['8.8.8.8'],
  92                                                 allocation_pools=allocation_pools)
  93
  94         # TODO: Add route to external network
  95         # e.g. #  route add -net 10.0.3.0/24 dev br-ex gw 10.100.0.5
  96         return subnet
  97
  98     def delete_subnet(self, id):
  99         return self.client.quantum.delete_subnet(id=id)
 100
 101
 102     def create_keypair(self, name, key):
 103         keys = self.client.nova.keypairs.findall(name=name)
 104         if keys:
 105             raise Exception, "Key name already exists: %s" % name
 106         return self.client.nova.keypairs.create(name=name, public_key=key)
 107
 108     def delete_keypair(self, name):
 109         keys = self.client.nova.keypairs.findall(name=name)
 110         for key in keys:
 111             self.client.nova.keypairs.delete(key)
 112
 113     def spawn_instance(self, name, key_name=None, hostname=None, flavor=None, image=None, security_group=None, pubkeys=[]):
 114         if not flavor:
 115             flavor = self.config.nova_default_flavor
 116         if not image:
 117             image = self.config.nova_default_imave
 118         if not security_group:
 119             security_group = self.config.nova_default_security_group
 120
 121         authorized_keys = "\n".join(pubkeys)
 122         files = {'/root/.ssh/authorized_keys': authorized_keys}
 123
 124         flavor_id = self.shell.nova.flavors.find(name=flavor)
 125         images = self.shell.glance.get_images(name=image)
 126         if not images:
 127             raise Exception, "Image not found: " + image
 128         image_id = images[0]['id']
 129         hints = {}
 130         if hostname:
 131             hints['force_hosts']= hostname
 132         server = self.shell.nova.servers.create(
 133                                             name=name,
 134                                             key_name = key_name,
 135                                             flavor=flavor_id,
 136                                             image=image_id,
 137                                             security_group = security_group,
 138                                             files=files,
 139                                             scheduler_hints=hints)
 140         return server
 141
 142     def destroy_instance(self, name, id=None):
 143         args = {'name': name}
 144         if id:
 145             args['id'] = id
 146         servers = self.shell.nova.servers.findall(**args)
 147         for server in servers:
 148             if name == server.name:
 149                 if not id or id == server.id:
 150                     self.shell.nova.servers.delete(server)