xml generation works

Signed-off-by: Jeff Carr <jcarr@wit.com>

http.go

@@ -60,7 +60,18 @@ func okHandler(w http.ResponseWriter, r *http.Request) {
 
 	if tmp == "/start" {
 		start := r.URL.Query().Get("start")
-		xml := "/root/jcarr/machines/autostart/" + start + ".xml"
+		xml := "/tmp/" + start + ".xml"
+		if shell.Unlink(xml) {
+			fmt.Fprintln(w, "START FAILED")
+			fmt.Fprintln(w, "error =", "could not remove existing xml file", xml)
+			fmt.Fprintln(w, "error =", "file still exists after unlink")
+			return
+		}
+		if err := newStart(start); err != nil {
+			fmt.Fprintln(w, "START FAILED")
+			fmt.Fprintln(w, "error =", err)
+			return
+		}
 		cmd := []string{"virsh", "create", xml}
 
 		fmt.Fprintln(w, "Handling URL:", tmp, "start droplet")

main.go

@@ -57,6 +57,9 @@ func main() {
 	for i, e := range me.cluster.Events {
 		log.Info("Event", i, e)
 	}
+	for i, d := range me.cluster.Droplets {
+		log.Info("Event", i, d.Hostname)
+	}
 
 	if argv.Start != "" {
 		newStart(argv.Start)

start.go

@@ -3,18 +3,18 @@
 package main
 
 import (
-	"os"
+	"errors"
 
 	"go.wit.com/lib/virtigoxml"
 	"go.wit.com/log"
 	"libvirt.org/go/libvirtxml"
 )
 
-func newStart(start string) {
+func newStart(start string) error {
 	d := me.cluster.FindDroplet(start)
 	if d == nil {
 		log.Info("droplet is unknown:", start)
-		os.Exit(0)
+		return errors.New("droplet is unknown: " + start)
 	}
 	log.Info("start droplet here:", d.Hostname)
 	domcfg := &libvirtxml.Domain{}
@@ -25,7 +25,7 @@ func newStart(start string) {
 	newAddXml(domcfg, "spice")
 	newAddXml(domcfg, "qcow")
 
-	virtigoxml.StartDropletXml(me.cluster, d, domcfg, start)
+	return virtigoxml.GenerateDropletXml(me.cluster, d, domcfg, start)
 }
 
 func newAddXml(domcfg *libvirtxml.Domain, filename string) error {