planetstack/openstack/client.py

   1 import urlparse
   2 try:
   3     from keystoneclient.v2_0 import client as keystone_client
   4     #from glance import client as glance_client
   5     import glanceclient
   6     from novaclient.v1_1 import client as nova_client
   7     from neutronclient.v2_0 import client as quantum_client
   8     has_openstack = True
   9 except:
  10     has_openstack = False
  11
  12 from planetstack.config import Config
  13
  14 def require_enabled(callable):
  15     def wrapper(*args, **kwds):
  16         if has_openstack:
  17             return callable(*args, **kwds)
  18         else:
  19             return None
  20     return wrapper
  21
  22 def parse_novarc(filename):
  23     opts = {}
  24     f = open(filename, 'r')
  25     for line in f:
  26         try:
  27             line = line.replace('export', '').strip()
  28             parts = line.split('=')
  29             if len(parts) > 1:
  30                 value = parts[1].replace("\'", "")
  31                 value = value.replace('\"', '')
  32                 opts[parts[0]] = value
  33         except:
  34             pass
  35     f.close()
  36     return opts
  37
  38 class Client:
  39     def __init__(self, username=None, password=None, tenant=None, url=None, token=None, endpoint=None, controller=None, admin=True, *args, **kwds):
  40
  41         self.has_openstack = has_openstack
  42         self.url = controller.auth_url
  43         if admin:
  44             self.username = controller.admin_user
  45             self.password = controller.admin_password
  46             self.tenant = controller.admin_tenant
  47         else:
  48             self.username = None
  49             self.password = None
  50             self.tenant = None
  51
  52         if username:
  53             self.username = username
  54         if password:
  55             self.password = password
  56         if tenant:
  57             self.tenant = tenant
  58         if url:
  59             self.url = url
  60         if token:
  61             self.token = token
  62         if endpoint:
  63             self.endpoint = endpoint
  64
  65         #if '@' in self.username:
  66         #    self.username = self.username[:self.username.index('@')]
  67
  68 class KeystoneClient(Client):
  69     def __init__(self, *args, **kwds):
  70         Client.__init__(self, *args, **kwds)
  71         if has_openstack:
  72             self.client = keystone_client.Client(username=self.username,
  73                                                  password=self.password,
  74                                                  tenant_name=self.tenant,
  75                                                  auth_url=self.url
  76                                                 )
  77
  78     @require_enabled
  79     def connect(self, *args, **kwds):
  80         self.__init__(*args, **kwds)
  81
  82     @require_enabled
  83     def __getattr__(self, name):
  84         return getattr(self.client, name)
  85
  86
  87 class Glance(Client):
  88     def __init__(self, *args, **kwds):
  89         Client.__init__(self, *args, **kwds)
  90         if has_openstack:
  91             self.client = glanceclient.get_client(host='0.0.0.0',
  92                                                    username=self.username,
  93                                                    password=self.password,
  94                                                    tenant=self.tenant,
  95                                                    auth_url=self.url)
  96     @require_enabled
  97     def __getattr__(self, name):
  98         return getattr(self.client, name)
  99
 100 class GlanceClient(Client):
 101     def __init__(self, version, endpoint, token, cacert=None, *args, **kwds):
 102         Client.__init__(self, *args, **kwds)
 103         if has_openstack:
 104             self.client = glanceclient.Client(version,
 105                 endpoint=endpoint,
 106                 token=token,
 107                 cacert=cacert
 108             )
 109
 110     @require_enabled
 111     def __getattr__(self, name):
 112         return getattr(self.client, name)
 113
 114 class NovaClient(Client):
 115     def __init__(self, *args, **kwds):
 116         Client.__init__(self, *args, **kwds)
 117         if has_openstack:
 118             self.client = nova_client.Client(username=self.username,
 119                                              api_key=self.password,
 120                                              project_id=self.tenant,
 121                                              auth_url=self.url,
 122                                              region_name='',
 123                                              extensions=[],
 124                                              service_type='compute',
 125                                              service_name='',
 126                                              )
 127
 128     @require_enabled
 129     def connect(self, *args, **kwds):
 130         self.__init__(*args, **kwds)
 131
 132     @require_enabled
 133     def __getattr__(self, name):
 134         return getattr(self.client, name)
 135
 136 class NovaDB(Client):
 137     def __init__(self, *args, **kwds):
 138         Client.__init__(self, *args, **kwds)
 139         if has_openstack:
 140             self.ctx = get_admin_context()
 141             nova_db_api.FLAGS(default_config_files=['/etc/nova/nova.conf'])
 142             self.client = nova_db_api
 143
 144
 145     @require_enabled
 146     def connect(self, *args, **kwds):
 147         self.__init__(*args, **kwds)
 148
 149     @require_enabled
 150     def __getattr__(self, name):
 151         return getattr(self.client, name)
 152
 153 class QuantumClient(Client):
 154     def __init__(self, *args, **kwds):
 155         Client.__init__(self, *args, **kwds)
 156         if has_openstack:
 157             self.client = quantum_client.Client(username=self.username,
 158                                                 password=self.password,
 159                                                 tenant_name=self.tenant,
 160                                                 auth_url=self.url)
 161     @require_enabled
 162     def connect(self, *args, **kwds):
 163         self.__init__(*args, **kwds)
 164
 165     @require_enabled
 166     def __getattr__(self, name):
 167         return getattr(self.client, name)
 168
 169 class OpenStackClient:
 170     """
 171     A simple native shell to the openstack backend services.
 172     This class can receive all nova calls to the underlying testbed
 173     """
 174
 175     def __init__ ( self, *args, **kwds) :
 176         # instantiate managers
 177         self.keystone = KeystoneClient(*args, **kwds)
 178         url_parsed = urlparse.urlparse(self.keystone.url)
 179         hostname = url_parsed.netloc.split(':')[0]
 180         token = self.keystone.client.tokens.authenticate(username=self.keystone.username, password=self.keystone.password, tenant_name=self.keystone.tenant)
 181         glance_endpoint = self.keystone.service_catalog.url_for(service_type='image', endpoint_type='publicURL')
 182
 183         self.glanceclient = GlanceClient('1', endpoint=glance_endpoint, token=token.id, **kwds)
 184         self.nova = NovaClient(*args, **kwds)
 185         # self.nova_db = NovaDB(*args, **kwds)
 186         self.quantum = QuantumClient(*args, **kwds)
 187
 188
 189     @require_enabled
 190     def connect(self, *args, **kwds):
 191         self.__init__(*args, **kwds)
 192
 193     @require_enabled
 194     def authenticate(self):
 195         return self.keystone.authenticate()