kvm.py 文件源码

def __connect_tcp(self):
        flags = [libvirt.VIR_CRED_AUTHNAME, libvirt.VIR_CRED_PASSPHRASE]
        auth = [flags, self.__libvirt_auth_credentials_callback, None]
        uri = 'qemu+tcp://%s/system' % self.host

        try:
            self.connection = libvirt.openAuth(uri, auth, 0)
            self.last_error = None

        except libvirtError as e:
            self.last_error = 'Connection Failed: ' + str(e)
            log_error(self.last_error)
            self.connection = None