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// Copyright (c) Authors of Clover
//
// All rights reserved. This program and the accompanying materials
// are made available under the terms of the Apache License, Version 2.0
// which accompanies this distribution, and is available at
// http://www.apache.org/licenses/LICENSE-2.0
package main
import (
"fmt"
"io/ioutil"
"os"
"os/signal"
"path/filepath"
"syscall"
clovisor "./libclovisor"
)
var podMonitoringMap map[string]*clovisor.ClovisorBCC
func main() {
node_name := os.Getenv("MY_NODE_NAME")
ex, err := os.Executable()
if err != nil {
fmt.Println(err.Error())
} else {
exPath := filepath.Dir(ex)
fmt.Printf("Current Working Directory is %v\n", exPath)
files, _ := ioutil.ReadDir(exPath)
for _, f := range files {
fmt.Printf("%v ",f.Name())
}
fmt.Printf("\n")
}
clovisor.Monitor_proto_plugin_cfg()
clovisor.ClovisorPhyInfSetup()
podMonitoringMap = make(map[string]*clovisor.ClovisorBCC)
clovisor_k8s_client, err := clovisor.K8s_client_init(node_name)
if err != nil {
fmt.Printf("Clovisor to Kubernetes connectivity failed: %v\n", err)
return
}
fmt.Printf("Clovisor got k8s client succeed\n")
monitoring_info_map, err := clovisor_k8s_client.Get_monitoring_info(node_name)
if err != nil {
fmt.Printf("Clovisor getting monitoring info failed: %v\n", err)
return
}
fmt.Printf("Clovisor get monitoring info succeed: %v\n", monitoring_info_map)
for pod := range monitoring_info_map {
podMon, err := clovisor.ClovisorNewPodInit(clovisor_k8s_client, node_name,
pod, monitoring_info_map[pod])
if err != nil {
fmt.Printf("Clovisor monitoring pod %s failed: %v\n", pod, err)
continue
}
podMonitoringMap[pod] = podMon
}
sig := make(chan os.Signal, 1)
signal.Notify(sig, os.Interrupt, os.Kill, syscall.SIGTERM)
<-sig
for pod := range podMonitoringMap {
fmt.Printf("Send stop pod to pod %v\n", pod)
podMonitoringMap[pod].StopPod()
}
}
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