virtigo/poll.go

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package main
import (
"strings"
"time"
"go.wit.com/lib/gui/shell"
"go.wit.com/log"
)
func (h HyperT) pollHypervisor() {
url := "http://" + h.Hostname + ":2520/vms"
log.Info("wget url =", url)
s := shell.Wget(url)
if s == nil {
return
}
var bytesSplice []byte
bytesSplice = s.Bytes()
// fmt.Fprintln(w, string(bytesSplice))
for _, line := range strings.Split(string(bytesSplice), "\n") {
if line == "" {
continue
}
fields := strings.Fields(line)
if len(fields) < 2 {
continue
}
state := fields[0]
name := fields[1]
if state == "ON" {
log.Info("POLL", h.Hostname, "STATE:", state, "HOST:", name, "rest:", fields[2:])
var found = false
for _, d := range me.droplets {
if d.Hostname == name {
log.Info("ALREADY RECORDED", d.Hostname)
found = true
d.lastpoll = time.Now()
if d.hname != h.Hostname {
log.Info("DROPLET", d.Hostname, "MOVED FROM", d.hname, "TO", d.Hostname)
}
d.hname = h.Hostname
}
}
if found {
continue
}
var d DropletT
d.Hostname = name
d.hname = h.Hostname
me.droplets = append(me.droplets, d)
log.Info(name, "IS NEW. ADDED ON", h.Hostname)
}
}
// log.Info("i, s =", hostname, i, s)
}