telegraf/plugins/system/docker.go

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// +build linux
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package system
import (
"fmt"
"github.com/influxdb/telegraf/plugins"
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)
type DockerStats struct {
ps PS
}
func (_ *DockerStats) Description() string {
return "Read metrics about docker containers"
}
func (_ *DockerStats) SampleConfig() string { return "" }
func (s *DockerStats) Gather(acc plugins.Accumulator) error {
containers, err := s.ps.DockerStat()
if err != nil {
return fmt.Errorf("error getting docker info: %s", err)
}
for _, cont := range containers {
tags := map[string]string{
"id": cont.Id,
"name": cont.Name,
"command": cont.Command,
}
cts := cont.CPU
acc.Add("user", cts.User, tags)
acc.Add("system", cts.System, tags)
acc.Add("idle", cts.Idle, tags)
acc.Add("nice", cts.Nice, tags)
acc.Add("iowait", cts.Iowait, tags)
acc.Add("irq", cts.Irq, tags)
acc.Add("softirq", cts.Softirq, tags)
acc.Add("steal", cts.Steal, tags)
acc.Add("guest", cts.Guest, tags)
acc.Add("guest_nice", cts.GuestNice, tags)
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acc.Add("cache", cont.Mem.Cache, tags)
acc.Add("rss", cont.Mem.RSS, tags)
acc.Add("rss_huge", cont.Mem.RSSHuge, tags)
acc.Add("mapped_file", cont.Mem.MappedFile, tags)
acc.Add("swap_in", cont.Mem.Pgpgin, tags)
acc.Add("swap_out", cont.Mem.Pgpgout, tags)
acc.Add("page_fault", cont.Mem.Pgfault, tags)
acc.Add("page_major_fault", cont.Mem.Pgmajfault, tags)
acc.Add("inactive_anon", cont.Mem.InactiveAnon, tags)
acc.Add("active_anon", cont.Mem.ActiveAnon, tags)
acc.Add("inactive_file", cont.Mem.InactiveFile, tags)
acc.Add("active_file", cont.Mem.ActiveFile, tags)
acc.Add("unevictable", cont.Mem.Unevictable, tags)
acc.Add("memory_limit", cont.Mem.HierarchicalMemoryLimit, tags)
acc.Add("total_cache", cont.Mem.TotalCache, tags)
acc.Add("total_rss", cont.Mem.TotalRSS, tags)
acc.Add("total_rss_huge", cont.Mem.TotalRSSHuge, tags)
acc.Add("total_mapped_file", cont.Mem.TotalMappedFile, tags)
acc.Add("total_swap_in", cont.Mem.TotalPgpgIn, tags)
acc.Add("total_swap_out", cont.Mem.TotalPgpgOut, tags)
acc.Add("total_page_fault", cont.Mem.TotalPgFault, tags)
acc.Add("total_page_major_fault", cont.Mem.TotalPgMajFault, tags)
acc.Add("total_inactive_anon", cont.Mem.TotalInactiveAnon, tags)
acc.Add("total_active_anon", cont.Mem.TotalActiveAnon, tags)
acc.Add("total_inactive_file", cont.Mem.TotalInactiveFile, tags)
acc.Add("total_active_file", cont.Mem.TotalActiveFile, tags)
acc.Add("total_unevictable", cont.Mem.TotalUnevictable, tags)
}
return nil
}
func init() {
plugins.Add("docker", func() plugins.Plugin {
return &DockerStats{ps: &systemPS{}}
})
}