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     from nova.db.sqlalchemy import api as nova_db_api
   9     from nova.context import get_admin_context
  10     has_openstack = True
  11 except:
  12     has_openstack = False
  13
  14 from planetstack.config import Config
  15
  16 def require_enabled(callable):
  17     def wrapper(*args, **kwds):
  18         if has_openstack:
  19             return callable(*args, **kwds)
  20         else:
  21             return None
  22     return wrapper
  23
  24 def parse_novarc(filename):
  25     opts = {}
  26     f = open(filename, 'r')
  27     for line in f:
  28         try:
  29             line = line.replace('export', '').strip()
  30             parts = line.split('=')
  31             if len(parts) > 1:
  32                 value = parts[1].replace("\'", "")
  33                 value = value.replace('\"', '')
  34                 opts[parts[0]] = value
  35         except:
  36             pass
  37     f.close()
  38     return opts
  39
  40 class Client:
  41     def __init__(self, username=None, password=None, tenant=None, url=None, token=None, endpoint=None, controller=None, admin=True, *args, **kwds):
  42
  43         deployment = controller
  44
  45         self.has_openstack = has_openstack
  46         self.url = deployment.auth_url
  47         if admin:
  48             self.username = deployment.admin_user
  49             self.password = deployment.admin_password
  50             self.tenant = deployment.admin_tenant
  51         else:
  52             self.username = None
  53             self.password = None
  54             self.tenant = None
  55
  56         if username:
  57             self.username = username
  58         if password:
  59             self.password = password
  60         if tenant:
  61             self.tenant = tenant
  62         if url:
  63             self.url = url
  64         if token:
  65             self.token = token
  66         if endpoint:
  67             self.endpoint = endpoint
  68
  69         #if '@' in self.username:
  70         #    self.username = self.username[:self.username.index('@')]
  71
  72 class KeystoneClient(Client):
  73     def __init__(self, *args, **kwds):
  74         Client.__init__(self, *args, **kwds)
  75         if has_openstack:
  76             self.client = keystone_client.Client(username=self.username,
  77                                                  password=self.password,
  78                                                  tenant_name=self.tenant,
  79                                                  auth_url=self.url
  80                                                 )
  81
  82     @require_enabled
  83     def connect(self, *args, **kwds):
  84         self.__init__(*args, **kwds)
  85
  86     @require_enabled
  87     def __getattr__(self, name):
  88         return getattr(self.client, name)
  89
  90
  91 class GlanceClient(Client):
  92     def __init__(self, *args, **kwds):
  93         Client.__init__(self, *args, **kwds)
  94         if has_openstack:
  95             self.client = glanceclient.get_client(host='0.0.0.0',
  96                                                    username=self.username,
  97                                                    password=self.password,
  98                                                    tenant=self.tenant,
  99                                                    auth_url=self.url)
 100     @require_enabled
 101     def __getattr__(self, name):
 102         return getattr(self.client, name)
 103
 104 class GlanceClientNew(Client):
 105     def __init__(self, version, endpoint, token, *args, **kwds):
 106         Client.__init__(self, *args, **kwds)
 107         if has_openstack:
 108             self.client = glanceclient.Client(version, endpoint=endpoint, token=token)
 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         #self.glance = GlanceClient(*args, **kwds)
 182
 183         self.glanceclient = GlanceClientNew('1', endpoint='http://%s:9292' % hostname, 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()