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package main
import (
"fmt"
"os"
"path/filepath"
"time"
pb "go.wit.com/lib/protobuf/virtbuf"
"go.wit.com/log"
)
func readConfigFile() {
me.cluster = new(pb.Cluster)
homeDir, _ := os.UserHomeDir()
fullname := filepath.Join(homeDir, ".config/virtigo.json")
pfile, err := os.ReadFile(fullname)
if err != nil {
log.Info("open config file :", err)
return
}
err = me.cluster.UnmarshalJSON(pfile)
if err != nil {
log.Info("read json failed", err)
os.Exit(-1)
return
}
// initialize each hypervisor
for _, pbh := range me.cluster.Hypervisors {
h := findHypervisor(pbh.Hostname)
if h != nil {
continue
}
// this is a new unknown droplet (not in the config file)
h = new(HyperT)
h.pb = pbh
h.Delay = 5 * time.Second
h.lastpoll = time.Now()
h.Scan = func() {
h.pollHypervisor()
}
me.hypers = append(me.hypers, h)
log.Log(EVENT, "config new hypervisors", h.pb.Hostname)
}
// initialize values for each droplet
for _, pbd := range me.cluster.Droplets {
d := findDroplet(pbd.Hostname)
if d != nil {
continue
}
// this is a new unknown droplet (not in the config file)
d = new(DropletT)
d.pb = pbd
me.droplets = append(me.droplets, d)
log.Log(EVENT, "config new droplet", d.pb.Hostname, d.pb.StartState, d.pb.PreferredHypervisor)
}
}
func writeConfigFile() {
homeDir, _ := os.UserHomeDir()
fullname := filepath.Join(homeDir, ".config/virtigo.json")
cfgfile, err := os.OpenFile(fullname, os.O_RDWR|os.O_CREATE, 0666)
defer cfgfile.Close()
if err != nil {
log.Info("open config file :", err)
return
}
json := me.cluster.FormatJSON()
fmt.Fprintln(cfgfile, json)
}
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