120 lines
2.7 KiB
Go
120 lines
2.7 KiB
Go
package system
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import (
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"os"
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"github.com/influxdata/telegraf"
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"github.com/influxdata/telegraf/internal"
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"github.com/shirou/gopsutil/cpu"
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"github.com/shirou/gopsutil/disk"
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"github.com/shirou/gopsutil/mem"
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"github.com/shirou/gopsutil/net"
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)
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type PS interface {
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CPUTimes(perCPU, totalCPU bool) ([]cpu.CPUTimesStat, error)
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DiskUsage(mountPointFilter []string) ([]*disk.DiskUsageStat, error)
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NetIO() ([]net.NetIOCountersStat, error)
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NetProto() ([]net.NetProtoCountersStat, error)
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DiskIO() (map[string]disk.DiskIOCountersStat, error)
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VMStat() (*mem.VirtualMemoryStat, error)
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SwapStat() (*mem.SwapMemoryStat, error)
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NetConnections() ([]net.NetConnectionStat, error)
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}
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func add(acc telegraf.Accumulator,
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name string, val float64, tags map[string]string) {
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if val >= 0 {
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acc.Add(name, val, tags)
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}
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}
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type systemPS struct{}
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func (s *systemPS) CPUTimes(perCPU, totalCPU bool) ([]cpu.CPUTimesStat, error) {
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var cpuTimes []cpu.CPUTimesStat
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if perCPU {
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if perCPUTimes, err := cpu.CPUTimes(true); err == nil {
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cpuTimes = append(cpuTimes, perCPUTimes...)
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} else {
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return nil, err
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}
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}
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if totalCPU {
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if totalCPUTimes, err := cpu.CPUTimes(false); err == nil {
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cpuTimes = append(cpuTimes, totalCPUTimes...)
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} else {
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return nil, err
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}
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}
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return cpuTimes, nil
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}
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func (s *systemPS) DiskUsage(
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mountPointFilter []string,
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) ([]*disk.DiskUsageStat, error) {
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parts, err := disk.DiskPartitions(true)
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if err != nil {
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return nil, err
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}
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// Make a "set" out of the filter slice
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filterSet := make(map[string]bool)
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for _, filter := range mountPointFilter {
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filterSet[filter] = true
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}
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var usage []*disk.DiskUsageStat
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for _, p := range parts {
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if len(mountPointFilter) > 0 {
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// If the mount point is not a member of the filter set,
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// don't gather info on it.
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_, ok := filterSet[p.Mountpoint]
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if !ok {
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continue
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}
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}
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if _, err := os.Stat(p.Mountpoint); err == nil {
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du, err := disk.DiskUsage(p.Mountpoint)
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if err != nil {
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return nil, err
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}
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du.Fstype = p.Fstype
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usage = append(usage, du)
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}
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}
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return usage, nil
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}
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func (s *systemPS) NetProto() ([]net.NetProtoCountersStat, error) {
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return net.NetProtoCounters(nil)
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}
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func (s *systemPS) NetIO() ([]net.NetIOCountersStat, error) {
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return net.NetIOCounters(true)
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}
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func (s *systemPS) NetConnections() ([]net.NetConnectionStat, error) {
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return net.NetConnections("all")
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}
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func (s *systemPS) DiskIO() (map[string]disk.DiskIOCountersStat, error) {
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m, err := disk.DiskIOCounters()
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if err == internal.NotImplementedError {
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return nil, nil
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}
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return m, err
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}
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func (s *systemPS) VMStat() (*mem.VirtualMemoryStat, error) {
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return mem.VirtualMemory()
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}
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func (s *systemPS) SwapStat() (*mem.SwapMemoryStat, error) {
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return mem.SwapMemory()
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}
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