uptime

uptime.py

class UpTimeHypervisor(command.ShowOne):
    _description = _("Display the uptime of the specified hypervisor.")

    def get_parser(self, prog_name):
        parser = super(UpTimeHypervisor, self).get_parser(prog_name)
        parser.add_argument(
            "hypervisor",
            metavar="<hypervisor>",
            help=_("Hypervisor to display (name or ID)")
        )
        return parser

    def take_action(self, parsed_args):
        compute_client = self.app.client_manager.compute
        hypervisor = utils.find_resource(compute_client.hypervisors,
                                         parsed_args.hypervisor)._info.copy()

        opts = {}
        uptime = compute_client.hypervisors.uptime(hypervisor['id'])._info
        # Extract data from uptime value
        # format: 0 up 0,  0 users,  load average: 0, 0, 0
        # example: 17:37:14 up  2:33,  3 users,
        #          load average: 0.33, 0.36, 0.34

        for key, value in uptime.items():
            opts[key] = value

        columns = tuple(sorted(opts))
        data = utils.get_dict_properties(
            opts, columns)

        return (columns, data)