How to use _create_node_capabilities method in lisa

Best Python code snippet using lisa_python

platform.py

Source:platform.py

...153    ) -> bool:154        if not environment.runbook.nodes_requirement:155            return True156        host_capabilities = self._get_host_capabilities(lv_conn, log)157        nodes_capabilities = self._create_node_capabilities(host_capabilities)158        nodes_requirement = []159        for node_space in environment.runbook.nodes_requirement:160            # Check that the general node capabilities are compatible with this node's161            # specific requirements.162            if not node_space.check(nodes_capabilities):163                return False164            # Rectify the general node capabilities with this node's specific165            # requirements.166            node_requirement = node_space.generate_min_capability(nodes_capabilities)167            nodes_requirement.append(node_requirement)168        if not self._check_host_capabilities(nodes_requirement, host_capabilities, log):169            return False170        environment.runbook.nodes_requirement = nodes_requirement171        return True172    def _get_host_capabilities(173        self, lv_conn: libvirt.virConnect, log: Logger174    ) -> _HostCapabilities:175        host_capabilities = _HostCapabilities()176        capabilities_xml_str = lv_conn.getCapabilities()177        capabilities_xml = ET.fromstring(capabilities_xml_str)178        host_xml = capabilities_xml.find("host")179        assert host_xml180        topology_xml = host_xml.find("topology")181        assert topology_xml182        cells_xml = topology_xml.find("cells")183        assert cells_xml184        for cell in cells_xml.findall("cell"):185            cpus_xml = cell.find("cpus")186            assert cpus_xml187            host_capabilities.core_count += int(cpus_xml.attrib["num"])188        # Get free memory.189        # Include the disk cache size, as it will be freed if memory becomes limited.190        memory_stats = lv_conn.getMemoryStats(libvirt.VIR_NODE_MEMORY_STATS_ALL_CELLS)191        host_capabilities.free_memory_kib = (192            memory_stats[libvirt.VIR_NODE_MEMORY_STATS_FREE]193            + memory_stats[libvirt.VIR_NODE_MEMORY_STATS_CACHED]194        )195        log.debug(196            f"QEMU host: "197            f"CPU Cores = {host_capabilities.core_count}, "198            f"Free Memory = {host_capabilities.free_memory_kib} KiB"199        )200        return host_capabilities201    # Create the set of capabilities that are generally supported on QEMU nodes.202    def _create_node_capabilities(203        self, host_capabilities: _HostCapabilities204    ) -> schema.NodeSpace:205        node_capabilities = schema.NodeSpace()206        node_capabilities.name = "QEMU"207        node_capabilities.node_count = 1208        node_capabilities.core_count = search_space.IntRange(209            min=1, max=host_capabilities.core_count210        )211        node_capabilities.disk = schema.DiskOptionSettings(212            data_disk_count=search_space.IntRange(min=0),213            data_disk_size=search_space.IntRange(min=1),214        )215        node_capabilities.network_interface = schema.NetworkInterfaceOptionSettings()216        node_capabilities.network_interface.max_nic_count = 1...

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