func Monitor() {
tick := time.NewTicker(REFRESH_TIME * time.Second)
for {
<-tick.C
for k, v := range cpuUsages {
previousCpuUsages[k] = v
}
containers, err := docker.ListContainers()
if err != nil {
log.Println(err)
continue
}
for _, container := range containers {
n, err := cpuacctUsage(container)
if err != nil {
log.Println(err)
}
cpuUsages[container] = n
}
}
}
func main() {
fmt.Println("Initializing monitoring agent...")
flag.Parse()
cpuThreshold := Threshold{*cpuWarning, *cpuCritical}
memThreshold := Threshold{*memWarning, *memCritical}
go cpu.Monitor()
tick := time.NewTicker(1 * time.Second)
for {
<-tick.C
containers, err := docker.ListContainers()
if err != nil {
log.Println(err)
continue
}
for _, container := range containers {
AlertCPU(container, &cpuThreshold)
AlertMemory(container, &memThreshold)
}
}
}