Files
ctop/connector/collector/kubernetes.go
2018-12-01 19:43:41 -05:00

126 lines
2.8 KiB
Go

package collector
import (
"github.com/bcicen/ctop/config"
"github.com/bcicen/ctop/models"
"k8s.io/client-go/kubernetes"
)
// Kubernetes collector
type Kubernetes struct {
models.Metrics
name string
client *kubernetes.Clientset
running bool
stream chan models.Metrics
done chan bool
lastCpu float64
lastSysCpu float64
scaleCpu bool
}
func NewKubernetes(client *kubernetes.Clientset, name string) *Kubernetes {
return &Kubernetes{
Metrics: models.Metrics{},
name: name,
client: client,
scaleCpu: config.GetSwitchVal("scaleCpu"),
}
}
func (c *Kubernetes) Start() {
//c.done = make(chan bool)
//c.stream = make(chan models.Metrics)
//stats := make(chan *api.Stats)
//go func() {
// opts := api.StatsOptions{
// ID: c.id,
// Stats: stats,
// Stream: true,
// Done: c.done,
// }
// c.client.Stats(opts)
// c.running = false
//}()
//go func() {
// defer close(c.stream)
// for s := range stats {
// c.ReadCPU(s)
// c.ReadMem(s)
// c.ReadNet(s)
// c.ReadIO(s)
// c.stream <- c.Metrics
// }
// log.Infof("collector stopped for container: %s", c.id)
//}()
//c.running = true
//log.Infof("collector started for container: %s", c.id)
}
func (c *Kubernetes) Running() bool {
return c.running
}
func (c *Kubernetes) Stream() chan models.Metrics {
return c.stream
}
func (c *Kubernetes) Logs() LogCollector {
return NewKubernetesLogs(c.name, c.client)
}
// Stop collector
func (c *Kubernetes) Stop() {
c.done <- true
}
//
//func (c *Kubernetes) ReadCPU(stats *api.Stats) {
// ncpus := float64(len(stats.CPUStats.CPUUsage.PercpuUsage))
// total := float64(stats.CPUStats.CPUUsage.TotalUsage)
// system := float64(stats.CPUStats.SystemCPUUsage)
//
// cpudiff := total - c.lastCpu
// syscpudiff := system - c.lastSysCpu
//
// if c.scaleCpu {
// c.CPUUtil = round((cpudiff / syscpudiff * 100))
// } else {
// c.CPUUtil = round((cpudiff / syscpudiff * 100) * ncpus)
// }
// c.lastCpu = total
// c.lastSysCpu = system
// c.Pids = int(stats.PidsStats.Current)
//}
//func (c *Kubernetes) ReadMem(stats *api.Stats) {
// c.MemUsage = int64(stats.MemoryStats.Usage - stats.MemoryStats.Stats.Cache)
// c.MemLimit = int64(stats.MemoryStats.Limit)
// c.MemPercent = percent(float64(c.MemUsage), float64(c.MemLimit))
//}
//func (c *Kubernetes) ReadNet(stats *api.Stats) {
// var rx, tx int64
// for _, network := range stats.Networks {
// rx += int64(network.RxBytes)
// tx += int64(network.TxBytes)
// }
// c.NetRx, c.NetTx = rx, tx
//}
//
//func (c *Kubernetes) ReadIO(stats *api.Stats) {
// var read, write int64
// for _, blk := range stats.BlkioStats.IOServiceBytesRecursive {
// if blk.Op == "Read" {
// read = int64(blk.Value)
// }
// if blk.Op == "Write" {
// write = int64(blk.Value)
// }
// }
// c.IOBytesRead, c.IOBytesWrite = read, write
//}