vsperf = self.context_cfg['host']
vsperf_user = vsperf.get('user', 'ubuntu')
vsperf_ssh_port = vsperf.get('ssh_port', ssh.DEFAULT_PORT)
vsperf = self.context_cfg['host']
vsperf_user = vsperf.get('user', 'ubuntu')
vsperf_ssh_port = vsperf.get('ssh_port', ssh.DEFAULT_PORT)