func Info()

in machine/info.go [57:160]
89 lines of code
16 McCabe index (conditional complexity)

func Info(sysFs sysfs.SysFs, fsInfo fs.FsInfo, inHostNamespace bool) (*info.MachineInfo, error) {
	rootFs := "/"
	if !inHostNamespace {
		rootFs = "/rootfs"
	}

	cpuinfo, err := os.ReadFile(filepath.Join(rootFs, "/proc/cpuinfo"))
	if err != nil {
		return nil, err
	}
	clockSpeed, err := GetClockSpeed(cpuinfo)
	if err != nil {
		return nil, err
	}

	memoryCapacity, err := GetMachineMemoryCapacity()
	if err != nil {
		return nil, err
	}

	memoryByType, err := GetMachineMemoryByType(memoryControllerPath)
	if err != nil {
		return nil, err
	}

	swapCapacity, err := GetMachineSwapCapacity()
	if err != nil {
		return nil, err
	}

	nvmInfo, err := nvm.GetInfo()
	if err != nil {
		return nil, err
	}

	hugePagesInfo, err := sysinfo.GetHugePagesInfo(sysFs, hugepagesDirectory)
	if err != nil {
		return nil, err
	}

	filesystems, err := fsInfo.GetGlobalFsInfo()
	if err != nil {
		klog.Errorf("Failed to get global filesystem information: %v", err)
	}

	diskMap, err := sysinfo.GetBlockDeviceInfo(sysFs)
	if err != nil {
		klog.Errorf("Failed to get disk map: %v", err)
	}

	netDevices, err := sysinfo.GetNetworkDevices(sysFs)
	if err != nil {
		klog.Errorf("Failed to get network devices: %v", err)
	}

	topology, numCores, err := GetTopology(sysFs)
	if err != nil {
		klog.Errorf("Failed to get topology information: %v", err)
	}

	systemUUID, err := sysinfo.GetSystemUUID(sysFs)
	if err != nil {
		klog.Errorf("Failed to get system UUID: %v", err)
	}

	realCloudInfo := cloudinfo.NewRealCloudInfo()
	cloudProvider := realCloudInfo.GetCloudProvider()
	instanceType := realCloudInfo.GetInstanceType()
	instanceID := realCloudInfo.GetInstanceID()

	machineInfo := &info.MachineInfo{
		Timestamp:        time.Now(),
		CPUVendorID:      GetCPUVendorID(cpuinfo),
		NumCores:         numCores,
		NumPhysicalCores: GetPhysicalCores(cpuinfo),
		NumSockets:       GetSockets(cpuinfo),
		CpuFrequency:     clockSpeed,
		MemoryCapacity:   memoryCapacity,
		MemoryByType:     memoryByType,
		SwapCapacity:     swapCapacity,
		NVMInfo:          nvmInfo,
		HugePages:        hugePagesInfo,
		DiskMap:          diskMap,
		NetworkDevices:   netDevices,
		Topology:         topology,
		MachineID:        getInfoFromFiles(filepath.Join(rootFs, *machineIDFilePath)),
		SystemUUID:       systemUUID,
		BootID:           getInfoFromFiles(filepath.Join(rootFs, *bootIDFilePath)),
		CloudProvider:    cloudProvider,
		InstanceType:     instanceType,
		InstanceID:       instanceID,
	}

	for i := range filesystems {
		fs := filesystems[i]
		inodes := uint64(0)
		if fs.Inodes != nil {
			inodes = *fs.Inodes
		}
		machineInfo.Filesystems = append(machineInfo.Filesystems, info.FsInfo{Device: fs.Device, DeviceMajor: uint64(fs.Major), DeviceMinor: uint64(fs.Minor), Type: fs.Type.String(), Capacity: fs.Capacity, Inodes: inodes, HasInodes: fs.Inodes != nil})
	}

	return machineInfo, nil
}