def __init__(self, cloud_prop):
cloudbase.Provider.__init__(self, 'vsphere', cloud_prop)
self.log = logging.getLogger('poni.vsphere')
self.vi_url = os.environ.get('VI_URL') or cloud_prop.get("vi_url")
assert self.vi_url, "either the enviroment variable VI_URL or vcenter_url property must be set for vSphere instances"
self.vi_username = os.environ.get('VI_USERNAME') or cloud_prop.get("vi_username")
assert self.vi_username, "either the enviroment variable VI_USERNAME or vi_username property must be set for vSphere instances"
self.vi_password = os.environ.get('VI_PASSWORD') or cloud_prop.get("vi_password")
assert self.vi_password, "either the enviroment variable VI_PASSWORD or vi_password property must be set for vSphere instances"
self.vi_version = os.environ.get('VI_VERSION') or cloud_prop.get("vi_version")
assert pyvsphere_available, "pyvsphere must be installed for vSphere instances to work"
self.vim = Vim(self.vi_url, version=self.vi_version)
self.vim.login(self.vi_username, self.vi_password)
self.vmops = VmOperations(self.vim)
self.instances = {}
self.vms = None
