155 lines
4.1 KiB
Go
155 lines
4.1 KiB
Go
package host
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import (
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"context"
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"encoding/json"
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"os"
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"runtime"
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"time"
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"github.com/shirou/gopsutil/internal/common"
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)
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var invoke common.Invoker = common.Invoke{}
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// A HostInfoStat describes the host status.
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// This is not in the psutil but it useful.
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type InfoStat struct {
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Hostname string `json:"hostname"`
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Uptime uint64 `json:"uptime"`
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BootTime uint64 `json:"bootTime"`
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Procs uint64 `json:"procs"` // number of processes
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OS string `json:"os"` // ex: freebsd, linux
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Platform string `json:"platform"` // ex: ubuntu, linuxmint
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PlatformFamily string `json:"platformFamily"` // ex: debian, rhel
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PlatformVersion string `json:"platformVersion"` // version of the complete OS
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KernelVersion string `json:"kernelVersion"` // version of the OS kernel (if available)
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KernelArch string `json:"kernelArch"` // native cpu architecture queried at runtime, as returned by `uname -m` or empty string in case of error
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VirtualizationSystem string `json:"virtualizationSystem"`
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VirtualizationRole string `json:"virtualizationRole"` // guest or host
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HostID string `json:"hostid"` // ex: uuid
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}
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type UserStat struct {
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User string `json:"user"`
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Terminal string `json:"terminal"`
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Host string `json:"host"`
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Started int `json:"started"`
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}
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type TemperatureStat struct {
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SensorKey string `json:"sensorKey"`
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Temperature float64 `json:"sensorTemperature"`
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}
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func (h InfoStat) String() string {
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s, _ := json.Marshal(h)
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return string(s)
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}
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func (u UserStat) String() string {
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s, _ := json.Marshal(u)
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return string(s)
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}
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func (t TemperatureStat) String() string {
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s, _ := json.Marshal(t)
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return string(s)
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}
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func Info() (*InfoStat, error) {
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return InfoWithContext(context.Background())
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}
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func InfoWithContext(ctx context.Context) (*InfoStat, error) {
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var err error
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ret := &InfoStat{
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OS: runtime.GOOS,
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}
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ret.Hostname, err = os.Hostname()
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if err != nil && err != common.ErrNotImplementedError {
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return nil, err
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}
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ret.Platform, ret.PlatformFamily, ret.PlatformVersion, err = PlatformInformationWithContext(ctx)
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if err != nil && err != common.ErrNotImplementedError {
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return nil, err
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}
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ret.KernelVersion, err = KernelVersionWithContext(ctx)
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if err != nil && err != common.ErrNotImplementedError {
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return nil, err
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}
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ret.KernelArch, err = KernelArch()
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if err != nil && err != common.ErrNotImplementedError {
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return nil, err
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}
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ret.VirtualizationSystem, ret.VirtualizationRole, err = VirtualizationWithContext(ctx)
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if err != nil && err != common.ErrNotImplementedError {
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return nil, err
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}
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ret.BootTime, err = BootTimeWithContext(ctx)
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if err != nil && err != common.ErrNotImplementedError {
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return nil, err
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}
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ret.Uptime, err = UptimeWithContext(ctx)
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if err != nil && err != common.ErrNotImplementedError {
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return nil, err
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}
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ret.Procs, err = numProcs(ctx)
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if err != nil && err != common.ErrNotImplementedError {
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return nil, err
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}
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ret.HostID, err = HostIDWithContext(ctx)
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if err != nil && err != common.ErrNotImplementedError {
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return nil, err
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}
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return ret, nil
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}
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// BootTime returns the system boot time expressed in seconds since the epoch.
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func BootTime() (uint64, error) {
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return BootTimeWithContext(context.Background())
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}
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func Uptime() (uint64, error) {
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return UptimeWithContext(context.Background())
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}
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func Users() ([]UserStat, error) {
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return UsersWithContext(context.Background())
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}
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func PlatformInformation() (string, string, string, error) {
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return PlatformInformationWithContext(context.Background())
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}
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// HostID returns the unique host ID provided by the OS.
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func HostID() (string, error) {
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return HostIDWithContext(context.Background())
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}
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func Virtualization() (string, string, error) {
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return VirtualizationWithContext(context.Background())
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}
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func KernelVersion() (string, error) {
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return KernelVersionWithContext(context.Background())
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}
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func SensorsTemperatures() ([]TemperatureStat, error) {
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return SensorsTemperaturesWithContext(context.Background())
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}
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func timeSince(ts uint64) uint64 {
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return uint64(time.Now().Unix()) - ts
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}
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