From fd85215d5744998a53c6e11a7ce2a866badcd22c Mon Sep 17 00:00:00 2001
From: Jeff Carr <jcarr@wit.com>
Date: Sat, 26 Oct 2024 04:08:35 -0500
Subject: go vet works

---
 start.go | 103 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 103 insertions(+)
 create mode 100644 start.go

(limited to 'start.go')

diff --git a/start.go b/start.go
new file mode 100644
index 0000000..6bb15ba
--- /dev/null
+++ b/start.go
@@ -0,0 +1,103 @@
+// Copyright 2024 WIT.COM Inc Licensed GPL 3.0
+
+package virtigoxml
+
+import (
+	"fmt"
+	"os"
+	"path/filepath"
+
+	"libvirt.org/go/libvirtxml"
+
+	"go.wit.com/log"
+	pb "go.wit.com/lib/protobuf/virtbuf"
+)
+
+// generate the XML for 'virsh create'
+func startDropletXml(d *pb.Droplet) {
+	if d == nil {
+		log.Info("droplet is nil")
+		os.Exit(0)
+	}
+	log.Info("start droplet here:", d.Hostname)
+	domcfg := &libvirtxml.Domain{}
+
+	addDefaultXml(domcfg, "standard.x86")
+	// addDefaultXml(domcfg, "memory")
+	// addDefaultXml(domcfg, "network")
+	addDefaultXml(domcfg, "spice")
+	addDefaultXml(domcfg, "qcow")
+
+	domcfg.Type = "kvm"
+	domcfg.Name = d.Hostname
+	domcfg.UUID = d.Uuid
+
+	var i uint
+	i = uint(d.Memory / (1024 * 1024))
+
+	// var tmp string
+	// tmp = domcfg.VCPU
+	domcfg.VCPU = new(libvirtxml.DomainVCPU)
+	domcfg.VCPU.Value = uint(d.Cpus)
+
+	domcfg.Memory = new(libvirtxml.DomainMemory)
+	domcfg.Memory.Value = i
+	domcfg.Memory.Unit = "MiB"
+
+	fmt.Printf("Virt Memory %d %s\n", domcfg.Memory.Value, domcfg.Memory.Unit)
+
+	// addEthernet(domcfg, "04:44:33:11:22:11", "worldbr")
+	// addEthernet(domcfg, "04:44:33:33:44:55", "greenbr")
+
+	var count int = 0
+	for _, n := range d.Networks {
+		log.Info("add network", d.Hostname, "mac addr", n.Mac, "interface", n.Name)
+		if n.Name != "worldbr" {
+			log.Info("OVERRIDE BRIDGE WITH 'worldbr'")
+		}
+		addEthernetBridge(domcfg, n.Mac, "worldbr")
+		// addEthernetTap(domcfg, n.Mac)
+		count += 1
+	}
+	if count == 1 {
+		// this is normal
+	} else {
+		log.Info("WRONG NUMBER OF ETHERNET INTERFACES:", count)
+	}
+
+	// add a check here to make these unique
+	// setRandomMacs(domcfg)
+
+	for _, disk := range d.Disks {
+		fullname := findDisk([]string{"/home/nfs2", "/var/lib/libvirt/images"}, disk.Filename)
+		if fullname == "" {
+			log.Info("can not find disk", d.Hostname, "dir", disk.Filepath, "filename", disk.Filename)
+			os.Exit(-1)
+		} else {
+			// qcow := "/home/nfs/" + d.Hostname + ".qcow2"
+			setSimpleDisk(domcfg, fullname)
+		}
+	}
+
+	writeoutXml(domcfg, d.Hostname)
+	os.Exit(-1)
+}
+
+func findDisk(dirs []string, filename string) string {
+	for _, dirname := range dirs {
+		// log.Info("look in dir", dirname)
+		var count int
+		newdir, _ := os.ReadDir(dirname)
+		for _, file := range newdir {
+			count += 1
+			if file.Name() == filename {
+				log.Info("Found file", filename, "in", dirname)
+				return filepath.Join(dirname, file.Name())
+			}
+		}
+		if count == 0 {
+			log.Info("Warning? dirname", dirname, "was empty. Not mounted?")
+		}
+	}
+	return ""
+}
-- 
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