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package main
/*
validate / sanity check / consistancy check the data
here is some code to do smart things like:
* check mac addresses are unique
* check uuid's are unique
* double check filenames are unique
* return a unique mac address
* return a unique uuid
*/
import (
"errors"
"path/filepath"
"github.com/google/uuid"
pb "go.wit.com/lib/protobuf/virtbuf"
"go.wit.com/log"
)
// will make sure the mac address is unique
func ValidateUniqueMac(cluster *pb.Cluster, mac string) bool {
for _, d := range cluster.Droplets {
for _, n := range d.Networks {
if n.Mac == mac {
log.Info("duplicate MAC", n.Mac, "in droplet", d.Hostname)
return false
}
}
}
return true
}
// records all the known paths. this should go in the protobuf
func addClusterFilepath(cluster *pb.Cluster, dir string) *pb.Event {
var found bool = false
var e *pb.Event
for _, d := range cluster.Dirs {
if d == dir {
// found dir
found = true
break
}
}
if !found {
if dir != "." {
// make a new Add Event
e = pb.NewAddEvent(nil, "Add Cluster Directory", dir)
cluster.Dirs = append(cluster.Dirs, dir)
}
}
return e
}
// returns the droplet using a filename
func lookupFilename(cluster *pb.Cluster, filename string) *pb.Droplet {
filebase := filepath.Base(filename)
for _, d := range cluster.Droplets {
for _, disk := range d.Disks {
if filebase == disk.Filename {
return d
}
}
}
return nil
}
func ValidateUniqueFilenames(cluster *pb.Cluster) bool {
var ok bool = true
var disks map[string]string
disks = make(map[string]string)
for _, d := range cluster.Droplets {
for _, disk := range d.Disks {
filename := disk.Filename
addClusterFilepath(cluster, disk.Filepath)
if _, ok := disks[filename]; ok {
/*
if argv.IgnDisk {
log.Info("ignore dup disk", filename, disks[filename], d.Hostname)
} else {
}
*/
log.Info("file", filename, "on droplet", disks[filename])
log.Info("file", filename, "on droplet", d.Hostname)
log.Info("duplicate disk names (--xml-ignore-disk to ignore)")
ok = false
}
disks[filename] = d.Hostname
}
}
if ok {
log.Println("validated okay: no duplicate disk images")
}
return ok
}
func ValidateDiskFilenames(cluster *pb.Cluster) []*pb.Event {
var alle []*pb.Event
for _, d := range cluster.Droplets {
for _, disk := range d.Disks {
filename := disk.Filename
filebase := filepath.Base(filename)
dir := filepath.Dir(filename)
addClusterFilepath(cluster, dir)
if disk.Filename != filebase {
// update filename
e := d.NewChangeEvent("Disk.Filename", disk.Filename, filebase)
alle = append(alle, e)
disk.Filename = filebase
}
if dir == "." {
continue
}
if dir == "" {
continue
}
if disk.Filepath != dir {
// update filename
e := d.NewChangeEvent("Disk.Filepath", disk.Filepath, dir)
alle = append(alle, e)
disk.Filepath = dir
}
}
}
return alle
}
// runs on startup. dies if there are duplicates
// the config file must then be edited by hand
func ValidateDroplets(cluster *pb.Cluster) (map[string]string, map[string]string, error) {
// uuid map to check for duplicates
var umap map[string]string
umap = make(map[string]string)
// mac address map to check for duplicates
var macs map[string]string
macs = make(map[string]string)
for _, d := range cluster.Droplets {
// Generate a new UUID
if d.Uuid == "" {
u := uuid.New()
d.Uuid = u.String()
}
// seconds, ok := timeZone[tz]; ok {
if _, ok := umap[d.Uuid]; ok {
// UUID already exists
log.Info("duplicate UUID", d.Uuid, umap[d.Uuid])
log.Info("duplicate UUID", d.Uuid, d.Hostname)
return umap, macs, errors.New("duplicate UUID: " + d.Uuid)
}
umap[d.Uuid] = d.Hostname
for _, n := range d.Networks {
// log.Println("network:", n.Mac, d.Uuid, d.Hostname)
if _, ok := macs[n.Mac]; ok {
// UUID already exists
log.Info("duplicate MAC", n.Mac, macs[n.Mac], umap[macs[n.Mac]])
log.Info("duplicate MAC", n.Mac, d.Hostname)
return umap, macs, errors.New("duplicate MAC: " + n.Mac)
}
macs[n.Mac] = d.Uuid
}
}
log.Println("validated okay: no duplicate MAC addr")
log.Println("validated okay: no duplicate UUID")
return umap, macs, nil
}
/*
func safeValidateDroplets(cluster *pb.Cluster) (map[string]string, map[string]string) {
// uuid map to check for duplicates
var umap map[string]string
umap = make(map[string]string)
// mac address map to check for duplicates
var macs map[string]string
macs = make(map[string]string)
for _, d := range cluster.Droplets {
// Generate a new UUID
if d.Uuid == "" {
u := uuid.New()
d.Uuid = u.String()
}
// seconds, ok := timeZone[tz]; ok {
if _, ok := umap[d.Uuid]; ok {
// UUID already exists
log.Info("duplicate UUID", d.Uuid, umap[d.Uuid])
log.Info("duplicate UUID", d.Uuid, d.Hostname)
// os.Exit(-1)
}
umap[d.Uuid] = d.Hostname
for _, n := range d.Networks {
// log.Println("network:", n.Mac, d.Uuid, d.Hostname)
if _, ok := macs[n.Mac]; ok {
// UUID already exists
log.Info("duplicate MAC", n.Mac, macs[n.Mac], umap[macs[n.Mac]])
log.Info("duplicate MAC", n.Mac, d.Hostname)
// os.Exit(-1)
}
macs[n.Mac] = d.Uuid
}
}
log.Println("validated okay: no duplicate MAC addr")
log.Println("validated okay: no duplicate UUID")
return umap, macs
}
*/
|
