101 lines
1.9 KiB
Go
101 lines
1.9 KiB
Go
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package collector
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import (
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"time"
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"github.com/shirou/gopsutil/v3/cpu"
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"github.com/shirou/gopsutil/v3/disk"
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"github.com/shirou/gopsutil/v3/host"
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"github.com/shirou/gopsutil/v3/mem"
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psnet "github.com/shirou/gopsutil/v3/net"
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)
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type Metrics struct {
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CPUPercent float64
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MemoryPercent float64
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MemoryTotal uint64
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MemoryAvailable uint64
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Disks []DiskInfo
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Networks []NetInfo
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UptimeSeconds float64
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}
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type DiskInfo struct {
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MountPoint string
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Total uint64
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Free uint64
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Filesystem string
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}
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type NetInfo struct {
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Name string
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IPAddress string
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MAC string
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BytesSent uint64
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BytesRecv uint64
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}
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func Collect() (*Metrics, error) {
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cpuPercent, err := cpu.Percent(time.Second, false)
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if err != nil {
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return nil, err
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}
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memInfo, err := mem.VirtualMemory()
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if err != nil {
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return nil, err
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}
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uptime, _ := host.Uptime()
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m := &Metrics{
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CPUPercent: cpuPercent[0],
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MemoryPercent: memInfo.UsedPercent,
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MemoryTotal: memInfo.Total,
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MemoryAvailable: memInfo.Available,
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UptimeSeconds: float64(uptime),
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}
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// Disks
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partitions, _ := disk.Partitions(false)
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for _, p := range partitions {
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usage, err := disk.Usage(p.Mountpoint)
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if err != nil {
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continue
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}
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m.Disks = append(m.Disks, DiskInfo{
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MountPoint: p.Mountpoint,
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Total: usage.Total,
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Free: usage.Free,
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Filesystem: p.Fstype,
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})
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}
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// Network
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interfaces, _ := psnet.Interfaces()
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counters, _ := psnet.IOCounters(true)
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counterMap := make(map[string]psnet.IOCountersStat)
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for _, c := range counters {
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counterMap[c.Name] = c
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}
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for _, iface := range interfaces {
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if len(iface.Addrs) == 0 {
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continue
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}
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ni := NetInfo{
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Name: iface.Name,
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MAC: iface.HardwareAddr,
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}
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if len(iface.Addrs) > 0 {
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ni.IPAddress = iface.Addrs[0].Addr
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}
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if c, ok := counterMap[iface.Name]; ok {
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ni.BytesSent = c.BytesSent
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ni.BytesRecv = c.BytesRecv
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}
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m.Networks = append(m.Networks, ni)
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}
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return m, nil
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}
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