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// Copyright 2017-2025 WIT.COM Inc. All rights reserved.
// Use of this source code is governed by the GPL 3.0
package main
// An app to submit patches for the 30 GO GUI repos
import (
"fmt"
"net/http"
"net/url"
"time"
"go.wit.com/lib/protobuf/virtpb"
"go.wit.com/log"
)
func doDroplet() (string, error) {
err := me.clusters.ConfigLoad()
if err != nil {
return "", err
}
msg := []byte(`{"message": "Hello"}`)
// Initialize a persistent client with a custom Transport
client = &http.Client{
Transport: &http.Transport{
DisableKeepAlives: false, // Ensure Keep-Alive is enabled
},
Timeout: 10 * time.Second, // Set a reasonable timeout
}
me.cmap = make(map[*virtpb.Cluster]*adminT)
for c := range me.clusters.IterAll() {
var err error
admin := new(adminT)
if admin.cluster == nil {
admin.cluster = new(virtpb.Cluster)
}
me.cmap[c] = admin
log.Info("found in the config file", c.URL[0])
// a.makeClusterGroup(c)
admin.url, err = url.Parse(c.URL[0])
if err != nil {
return "", err
}
// update the droplet list
if data, err := postData(admin.url.String()+"/DropletsPB", msg); err != nil {
log.Info("/DropletsPB Error:", err)
continue
} else {
admin.cluster.Droplets = new(virtpb.Droplets)
if err := admin.cluster.Droplets.Unmarshal(data); err != nil {
log.Printf("DropletsPB Response len:%d\n", len(data))
log.Println("droplets marshal failed", err)
continue
}
}
log.Printf("Cluster Name: %s\n", c.Name)
log.Printf("Number of Droplets: %d\n", admin.cluster.Droplets.Len())
if argv.Droplet.Name == "" {
return "", fmt.Errorf("--name droplet name was empty")
}
var found *virtpb.Droplets
found = virtpb.NewDroplets()
all := admin.cluster.Droplets.All()
for all.Scan() {
vm := all.Next()
if argv.Droplet.Name == vm.Hostname {
if argv.Droplet.Show != nil {
log.Info(vm.SprintHeader())
txt := vm.FormatTEXT()
log.Info(txt)
return "droplet status", nil
}
if argv.Droplet.Start != nil {
log.Info("should start droplet here")
log.Info(vm.SprintHeader())
e := new(virtpb.Event)
e.Etype = virtpb.EventType_POWERON
e.DropletUuid = vm.Uuid
if err := admin.postEvent(e); err != nil {
return "droplet start err", err
}
return "droplet start", nil
}
return "droplet found", fmt.Errorf("do what to the droplet?")
}
found.Append(vm)
}
log.Println("On Droplet count=", found.Len())
}
return "", fmt.Errorf("droplet %s not found", argv.Droplet.Name)
}
func doEvent(e *virtpb.Event) *virtpb.Event {
result := new(virtpb.Event)
if e.Etype == virtpb.EventType_POWERON {
log.Println("power on droplet on local cluster here", e.DropletUuid)
result.State = virtpb.Event_DONE
rs, err := Start(e.DropletUuid)
log.Println("Start() returned", rs)
log.Println("Start() returned err", err)
if err != nil {
result.Error = fmt.Sprintf("%v", err)
}
return result
}
if e.Etype == virtpb.EventType_EDIT {
log.Println("edit event", e.DropletUuid)
result.State = virtpb.Event_DONE
if e.Droplet != nil {
return updateDroplet(e.Droplet)
}
log.Println("unknown edit event")
result.State = virtpb.Event_FAIL
return result
}
log.Println("unknown event", e)
result.Etype = e.Etype
result.State = virtpb.Event_FAIL
return result
}
func updateDroplet(newd *virtpb.Droplet) *virtpb.Event {
var changed bool = false
result := new(virtpb.Event)
if newd == nil {
result.Error = "updateDroplet() d == nil"
result.State = virtpb.Event_FAIL
return result
}
d := me.cluster.FindDropletByUuid(newd.Uuid)
if d == nil {
result.Error = "updateDroplet() could not find uuid"
result.State = virtpb.Event_FAIL
return result
}
log.Println("found droplet to update:", newd.Uuid, newd.Hostname, newd.Cpus, newd.Memory)
if d.Hostname != newd.Hostname && newd.Hostname != "" {
d.Hostname = newd.Hostname
changed = true
}
if d.Cpus != newd.Cpus && newd.Cpus > 0 {
d.Cpus = newd.Cpus
changed = true
}
// arbitrary check. don't make vm's with less than 64 MB of RAM
// big enough most things will load with some stdout
if d.Memory != newd.Memory && newd.Memory > (64*1024*1024) {
d.Memory = newd.Memory
changed = true
}
if changed {
if err := me.cluster.ConfigSave(); err != nil {
log.Info("configsave error", err)
result.Error = fmt.Sprintf("%v", err)
result.State = virtpb.Event_FAIL
return result
}
} else {
log.Println("nothing changed in", newd.Uuid, newd.Hostname)
}
result.State = virtpb.Event_DONE
return result
}
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