func runInfo(cmd *types.Command, args []string) {
if infoHelp {
cmd.PrintUsage()
}
if len(args) != 0 {
cmd.PrintShortUsage()
}
// FIXME: fmt.Printf("Servers: %s\n", "quantity")
// FIXME: fmt.Printf("Images: %s\n", "quantity")
fmt.Printf("Debug mode (client): %v\n", os.Getenv("DEBUG") != "")
fmt.Printf("Organization: %s\n", cmd.API.Organization)
// FIXME: add partially-masked token
fmt.Printf("API Endpoint: %s\n", os.Getenv("scaleway_api_endpoint"))
configPath, _ := utils.GetConfigFilePath()
fmt.Printf("RC file: %s\n", configPath)
fmt.Printf("User: %s\n", os.Getenv("USER"))
fmt.Printf("CPUs: %d\n", runtime.NumCPU())
hostname, _ := os.Hostname()
fmt.Printf("Hostname: %s\n", hostname)
cliPath, _ := osext.Executable()
fmt.Printf("CLI Path: %s\n", cliPath)
fmt.Printf("Cache: %s\n", cmd.API.Cache.Path)
fmt.Printf(" Servers: %d\n", cmd.API.Cache.GetNbServers())
fmt.Printf(" Images: %d\n", cmd.API.Cache.GetNbImages())
fmt.Printf(" Snapshots: %d\n", cmd.API.Cache.GetNbSnapshots())
fmt.Printf(" Volumes: %d\n", cmd.API.Cache.GetNbVolumes())
fmt.Printf(" Bootscripts: %d\n", cmd.API.Cache.GetNbBootscripts())
}
func runCompletion(cmd *types.Command, args []string) {
if completionHelp {
cmd.PrintUsage()
}
if len(args) != 1 {
cmd.PrintShortUsage()
}
category := args[0]
elements := []string{}
switch category {
case "servers-all":
for identifier, name := range cmd.API.Cache.Servers {
elements = append(elements, identifier, wordifyName(name, "server"))
}
case "servers-names":
for _, name := range cmd.API.Cache.Servers {
elements = append(elements, wordifyName(name, "server"))
}
case "images-all":
for identifier, name := range cmd.API.Cache.Images {
elements = append(elements, identifier, wordifyName(name, "image"))
}
case "images-names":
for _, name := range cmd.API.Cache.Images {
elements = append(elements, wordifyName(name, "image"))
}
case "volumes-all":
for identifier, name := range cmd.API.Cache.Volumes {
elements = append(elements, identifier, wordifyName(name, "volume"))
}
case "volumes-names":
for _, name := range cmd.API.Cache.Volumes {
elements = append(elements, wordifyName(name, "volume"))
}
case "snapshots-all":
for identifier, name := range cmd.API.Cache.Snapshots {
elements = append(elements, identifier, wordifyName(name, "snapshot"))
}
case "snapshots-names":
for _, name := range cmd.API.Cache.Snapshots {
elements = append(elements, wordifyName(name, "snapshot"))
}
case "bootscripts-all":
for identifier, name := range cmd.API.Cache.Bootscripts {
elements = append(elements, identifier, wordifyName(name, "bootscript"))
}
case "bootscripts-names":
for _, name := range cmd.API.Cache.Bootscripts {
elements = append(elements, wordifyName(name, "bootscript"))
}
default:
log.Fatalf("Unhandled category of completion: %s", category)
}
sort.Strings(elements)
fmt.Println(strings.Join(utils.RemoveDuplicates(elements), "\n"))
}
func runCommit(cmd *types.Command, args []string) {
if commitHelp {
cmd.PrintUsage()
}
if len(args) < 1 {
cmd.PrintShortUsage()
}
serverID := cmd.API.GetServerID(args[0])
server, err := cmd.API.GetServer(serverID)
if err != nil {
log.Fatalf("Cannot fetch server: %v", err)
}
var volume = server.Volumes[fmt.Sprintf("%d", commitVolume)]
var name string
if len(args) > 1 {
name = args[1]
} else {
name = volume.Name + "-snapshot"
}
snapshot, err := cmd.API.PostSnapshot(volume.Identifier, name)
if err != nil {
log.Fatalf("Cannot create snapshot: %v", err)
}
fmt.Println(snapshot)
}
func runRestart(cmd *types.Command, args []string) {
if restartHelp {
cmd.PrintUsage()
}
if len(args) < 1 {
cmd.PrintShortUsage()
}
hasError := false
for _, needle := range args {
server := cmd.API.GetServerID(needle)
err := cmd.API.PostServerAction(server, "reboot")
if err != nil {
if err.Error() != "server is being stopped or rebooted" {
log.Errorf("failed to restart server %s: %s", server, err)
hasError = true
}
} else {
fmt.Println(needle)
}
if hasError {
os.Exit(1)
}
}
}
func runRun(cmd *types.Command, args []string) {
if runHelpFlag {
cmd.PrintUsage()
}
if len(args) < 1 {
cmd.PrintShortUsage()
}
if runAttachFlag && len(args) > 1 {
log.Fatalf("Cannot use '--attach' and 'COMMAND [ARG...]' at the same time. See 'scw run --help'")
}
// create IMAGE
log.Debugf("Creating a new server")
serverID, err := api.CreateServer(cmd.API, args[0], runCreateName, runCreateBootscript, runCreateEnv, runCreateVolume)
if err != nil {
log.Fatalf("Failed to create server: %v", err)
}
log.Debugf("Created server: %s", serverID)
// start SERVER
log.Debugf("Starting server")
err = api.StartServer(cmd.API, serverID, false)
if err != nil {
log.Fatalf("Failed to start server %s: %v", serverID, err)
}
log.Debugf("Server is booting")
if runAttachFlag {
// Attach to server serial
log.Debugf("Attaching to server console")
err = utils.AttachToSerial(serverID, cmd.API.Token, true)
if err != nil {
log.Fatalf("Cannot attach to server serial: %v", err)
}
} else {
// waiting for server to be ready
log.Debugf("Waiting for server to be ready")
// We wait for 30 seconds, which is the minimal amount of time needed by a server to boot
time.Sleep(30 * time.Second)
server, err := api.WaitForServerReady(cmd.API, serverID)
if err != nil {
log.Fatalf("Cannot get access to server %s: %v", serverID, err)
}
log.Debugf("Server is ready: %s", server.PublicAddress.IP)
// exec -w SERVER COMMAND ARGS...
log.Debugf("Executing command")
if len(args) < 2 {
err = utils.SSHExec(server.PublicAddress.IP, []string{"if [ -x /bin/bash ]; then exec /bin/bash; else exec /bin/sh; fi"}, false)
} else {
err = utils.SSHExec(server.PublicAddress.IP, args[1:], false)
}
if err != nil {
log.Debugf("Command execution failed: %v", err)
os.Exit(1)
}
log.Debugf("Command successfuly executed")
}
}
func runInspect(cmd *types.Command, args []string) {
if inspectHelp {
cmd.PrintUsage()
}
if len(args) < 1 {
cmd.PrintShortUsage()
}
res := "["
nbInspected := 0
ci := make(chan api.ScalewayResolvedIdentifier)
cj := make(chan interface{})
go api.ResolveIdentifiers(cmd.API, args, ci)
go api.InspectIdentifiers(cmd.API, ci, cj)
for {
data, open := <-cj
if !open {
break
}
if inspectFormat == "" {
dataB, err := json.MarshalIndent(data, "", " ")
if err == nil {
if nbInspected != 0 {
res += ",\n"
}
res += string(dataB)
nbInspected++
}
} else {
tmpl, err := template.New("").Funcs(api.FuncMap).Parse(inspectFormat)
if err != nil {
log.Fatalf("Format parsing error: %v", err)
}
err = tmpl.Execute(os.Stdout, data)
if err != nil {
log.Fatalf("Format execution error: %v", err)
}
fmt.Fprint(os.Stdout, "\n")
nbInspected++
}
}
res += "]"
if inspectFormat == "" {
if os.Getenv("SCW_SENSITIVE") != "1" {
res = cmd.API.HideApiCredentials(res)
}
fmt.Println(res)
}
if len(args) != nbInspected {
os.Exit(1)
}
}
func runLogin(cmd *types.Command, args []string) {
if loginHelp {
cmd.PrintUsage()
}
if len(args) != 0 {
cmd.PrintShortUsage()
}
if len(organization) == 0 {
fmt.Println("You can get your credentials on https://cloud.scaleway.com/#/credentials")
promptUser("Organization (access key): ", &organization, true)
}
if len(token) == 0 {
promptUser("Token: ", &token, false)
}
cfg := &api.Config{
APIEndPoint: "https://account.scaleway.com/",
Organization: strings.Trim(organization, "\n"),
Token: strings.Trim(token, "\n"),
}
api, err := api.NewScalewayAPI(cfg.APIEndPoint, cfg.Organization, cfg.Token)
if err != nil {
log.Fatalf("Unable to create ScalewayAPI: %s", err)
}
err = api.CheckCredentials()
if err != nil {
log.Fatalf("Unable to contact ScalewayAPI: %s", err)
}
scwrcPath, err := utils.GetConfigFilePath()
if err != nil {
log.Fatalf("Unable to get scwrc config file path: %s", err)
}
scwrc, err := os.OpenFile(scwrcPath, os.O_CREATE|os.O_TRUNC|os.O_RDWR, 0600)
if err != nil {
log.Fatalf("Unable to create scwrc config file: %s", err)
}
defer scwrc.Close()
encoder := json.NewEncoder(scwrc)
cfg.APIEndPoint = "https://api.scaleway.com/"
err = encoder.Encode(cfg)
if err != nil {
log.Fatalf("Unable to encode scw config file: %s", err)
}
}
func runStart(cmd *types.Command, args []string) {
if startHelp {
cmd.PrintUsage()
}
if len(args) < 1 {
cmd.PrintShortUsage()
}
hasError := false
errChan := make(chan error)
successChan := make(chan bool)
remainingItems := len(args)
for i := range args {
needle := args[i]
go api.StartServerOnce(cmd.API, needle, startW, successChan, errChan)
}
if startTimeout > 0 {
go func() {
time.Sleep(time.Duration(startTimeout*1000) * time.Millisecond)
log.Fatalf("Operation timed out")
}()
}
for {
select {
case _ = <-successChan:
remainingItems--
case err := <-errChan:
log.Errorf(fmt.Sprintf("%s", err))
remainingItems--
hasError = true
}
if remainingItems == 0 {
break
}
}
if hasError {
os.Exit(1)
}
}
func runTag(cmd *types.Command, args []string) {
if tagHelp {
cmd.PrintUsage()
}
if len(args) != 2 {
cmd.PrintShortUsage()
}
snapshotID := cmd.API.GetSnapshotID(args[0])
snapshot, err := cmd.API.GetSnapshot(snapshotID)
if err != nil {
log.Fatalf("Cannot fetch snapshot: %v", err)
}
image, err := cmd.API.PostImage(snapshot.Identifier, args[1])
if err != nil {
log.Fatalf("Cannot create image: %v", err)
}
fmt.Println(image)
}
func runRename(cmd *types.Command, args []string) {
if renameHelp {
cmd.PrintUsage()
}
if len(args) != 2 {
cmd.PrintShortUsage()
}
serverID := cmd.API.GetServerID(args[0])
var server api.ScalewayServerPatchDefinition
server.Name = &args[1]
err := cmd.API.PatchServer(serverID, server)
if err != nil {
log.Fatalf("Cannot rename server: %v", err)
} else {
cmd.API.Cache.InsertServer(serverID, *server.Name)
}
}
func runPort(cmd *types.Command, args []string) {
if portHelp {
cmd.PrintUsage()
}
if len(args) < 1 {
cmd.PrintShortUsage()
}
serverID := cmd.API.GetServerID(args[0])
server, err := cmd.API.GetServer(serverID)
if err != nil {
log.Fatalf("Failed to get server information for %s: %v", serverID, err)
}
command := []string{"netstat -lutn 2>/dev/null | grep LISTEN"}
err = utils.SSHExec(server.PublicAddress.IP, command, true)
if err != nil {
log.Fatalf("Command execution failed: %v", err)
}
}
func runExec(cmd *types.Command, args []string) {
if execHelp {
cmd.PrintUsage()
}
if len(args) < 2 {
cmd.PrintShortUsage()
}
serverID := cmd.API.GetServerID(args[0])
var server *api.ScalewayServer
var err error
if execW {
// --wait
server, err = api.WaitForServerReady(cmd.API, serverID)
if err != nil {
log.Fatalf("Failed to wait for server to be ready, %v", err)
}
} else {
// no --wait
server, err = cmd.API.GetServer(serverID)
if err != nil {
log.Fatalf("Failed to get server information for %s: %v", serverID, err)
}
}
if execTimeout > 0 {
go func() {
time.Sleep(time.Duration(execTimeout*1000) * time.Millisecond)
log.Fatalf("Operation timed out")
}()
}
err = utils.SSHExec(server.PublicAddress.IP, args[1:], !execW)
if err != nil {
log.Fatalf("%v", err)
os.Exit(1)
}
log.Debugf("Command successfuly executed")
}
func runPatch(cmd *types.Command, args []string) {
if patchHelp {
cmd.PrintUsage()
}
if len(args) != 2 {
cmd.PrintShortUsage()
}
// Parsing FIELD=VALUE
updateParts := strings.Split(args[1], "=")
if len(updateParts) != 2 {
cmd.PrintShortUsage()
}
fieldName := updateParts[0]
newValue := updateParts[1]
changes := 0
ident := api.GetIdentifier(cmd.API, args[0])
switch ident.Type {
case api.IdentifierServer:
currentServer, err := cmd.API.GetServer(ident.Identifier)
if err != nil {
log.Fatalf("Cannot get server %s: %v", ident.Identifier, err)
}
var payload api.ScalewayServerPatchDefinition
switch fieldName {
case "state_detail":
log.Debugf("%s=%s => %s=%s", fieldName, currentServer.StateDetail, fieldName, newValue)
if currentServer.StateDetail != newValue {
changes++
payload.StateDetail = &newValue
}
case "name":
log.Warnf("To rename a server, Use 'scw rename'")
log.Debugf("%s=%s => %s=%s", fieldName, currentServer.StateDetail, fieldName, newValue)
if currentServer.Name != newValue {
changes++
payload.Name = &newValue
}
default:
log.Fatalf("'_patch server %s=' not implemented", fieldName)
}
if changes > 0 {
log.Debugf("updating server: %d change(s)", changes)
err = cmd.API.PatchServer(ident.Identifier, payload)
} else {
log.Debugf("no changes, not updating server")
}
if err != nil {
log.Fatalf("Cannot rename server: %v", err)
}
default:
log.Fatalf("_patch not implemented for this kind of object")
}
fmt.Println(ident.Identifier)
}
func runCp(cmd *types.Command, args []string) {
if cpHelp {
cmd.PrintUsage()
}
if len(args) != 2 {
cmd.PrintShortUsage()
}
if strings.Count(args[0], ":") > 1 || strings.Count(args[1], ":") > 1 {
log.Fatalf("usage: scw %s", cmd.UsageLine)
}
sourceStream, err := TarFromSource(cmd.API, args[0])
if err != nil {
log.Fatalf("Cannot tar from source '%s': %v", args[0], err)
}
err = UntarToDest(cmd.API, sourceStream, args[1])
if err != nil {
log.Fatalf("Cannot untar to destination '%s': %v", args[1], err)
}
}
func runLogs(cmd *types.Command, args []string) {
if logsHelp {
cmd.PrintUsage()
}
if len(args) != 1 {
cmd.PrintShortUsage()
}
serverID := cmd.API.GetServerID(args[0])
server, err := cmd.API.GetServer(serverID)
if err != nil {
log.Fatalf("Failed to get server information for %s: %v", serverID, err)
}
// FIXME: switch to serial history when API is ready
command := []string{"dmesg"}
err = utils.SSHExec(server.PublicAddress.IP, command, true)
if err != nil {
log.Fatalf("Command execution failed: %v", err)
}
}
func runRm(cmd *types.Command, args []string) {
if rmHelp {
cmd.PrintUsage()
}
if len(args) < 1 {
cmd.PrintShortUsage()
}
hasError := false
for _, needle := range args {
server := cmd.API.GetServerID(needle)
err := cmd.API.DeleteServer(server)
if err != nil {
log.Errorf("failed to delete server %s: %s", server, err)
hasError = true
} else {
fmt.Println(needle)
}
}
if hasError {
os.Exit(1)
}
}
func runWait(cmd *types.Command, args []string) {
if waitHelp {
cmd.PrintUsage()
}
if len(args) < 1 {
cmd.PrintShortUsage()
}
hasError := false
for _, needle := range args {
serverIdentifier := cmd.API.GetServerID(needle)
_, err := api.WaitForServerStopped(cmd.API, serverIdentifier)
if err != nil {
log.Errorf("failed to wait for server %s: %v", serverIdentifier, err)
hasError = true
}
}
if hasError {
os.Exit(1)
}
}
func runTop(cmd *types.Command, args []string) {
if topHelp {
cmd.PrintUsage()
}
if len(args) != 2 {
cmd.PrintShortUsage()
}
serverID := cmd.API.GetServerID(args[0])
command := "ps"
server, err := cmd.API.GetServer(serverID)
if err != nil {
log.Fatalf("Failed to get server information for %s: %v", serverID, err)
}
execCmd := append(utils.NewSSHExecCmd(server.PublicAddress.IP, true, []string{command}))
log.Debugf("Executing: ssh %s", strings.Join(execCmd, " "))
out, err := exec.Command("ssh", execCmd...).CombinedOutput()
fmt.Printf("%s", out)
if err != nil {
log.Fatal(err)
}
}
func runHistory(cmd *types.Command, args []string) {
if historyHelp {
cmd.PrintUsage()
}
if len(args) != 1 {
cmd.PrintShortUsage()
}
imageID := cmd.API.GetImageID(args[0], true)
image, err := cmd.API.GetImage(imageID)
if err != nil {
log.Fatalf("Cannot get image %s: %v", imageID, err)
}
if imagesQ {
fmt.Println(imageID)
return
}
w := tabwriter.NewWriter(os.Stdout, 10, 1, 3, ' ', 0)
defer w.Flush()
fmt.Fprintf(w, "IMAGE\tCREATED\tCREATED BY\tSIZE\n")
identifier := utils.TruncIf(image.Identifier, 8, !historyNoTrunc)
creationDate, err := time.Parse("2006-01-02T15:04:05.000000+00:00", image.CreationDate)
if err != nil {
log.Fatalf("Unable to parse creation date from the Scaleway API: %v", err)
}
creationDateStr := units.HumanDuration(time.Now().UTC().Sub(creationDate))
volumeName := utils.TruncIf(image.RootVolume.Name, 25, !historyNoTrunc)
size := units.HumanSize(float64(image.RootVolume.Size))
fmt.Fprintf(w, "%s\t%s\t%s\t%s\n", identifier, creationDateStr, volumeName, size)
}
func runHelp(cmd *types.Command, args []string) {
if waitHelp {
cmd.PrintUsage()
}
if len(args) > 1 {
cmd.PrintShortUsage()
}
if len(args) == 1 {
name := args[0]
for _, command := range Commands {
if command.Name() == name {
command.PrintUsage()
}
}
log.Fatalf("Unknown help topic `%s`. Run 'scw help'.", name)
} else {
t := template.New("top")
template.Must(t.Parse(helpTemplate))
if err := t.Execute(os.Stdout, Commands); err != nil {
panic(err)
}
}
}
func runSearch(cmd *types.Command, args []string) {
if searchHelp {
cmd.PrintUsage()
}
if len(args) != 1 {
cmd.PrintShortUsage()
}
w := tabwriter.NewWriter(os.Stdout, 10, 1, 3, ' ', 0)
defer w.Flush()
fmt.Fprintf(w, "NAME\tDESCRIPTION\tSTARS\tOFFICIAL\tAUTOMATED\n")
var entries = []api.ScalewayImageInterface{}
images, err := cmd.API.GetImages()
if err != nil {
log.Fatalf("unable to fetch images from the Scaleway API: %v", err)
}
for _, val := range *images {
entries = append(entries, api.ScalewayImageInterface{
Type: "image",
Name: val.Name,
Public: val.Public,
})
}
snapshots, err := cmd.API.GetSnapshots()
if err != nil {
log.Fatalf("unable to fetch snapshots from the Scaleway API: %v", err)
}
for _, val := range *snapshots {
entries = append(entries, api.ScalewayImageInterface{
Type: "snapshot",
Name: val.Name,
Public: false,
})
}
for _, image := range entries {
// name field
name := utils.TruncIf(utils.Wordify(image.Name), 45, !searchNoTrunc)
// description field
var description string
switch image.Type {
case "image":
if image.Public {
description = "public image"
} else {
description = "user image"
}
case "snapshot":
description = "user snapshot"
}
description = utils.TruncIf(utils.Wordify(description), 45, !searchNoTrunc)
// official field
var official string
if image.Public {
official = "[OK]"
} else {
official = ""
}
fmt.Fprintf(w, "%s\t%s\t%d\t%s\t%s\n", name, description, 0, official, "")
}
}
func runImages(cmd *types.Command, args []string) {
if imagesHelp {
cmd.PrintUsage()
}
if len(args) != 0 {
cmd.PrintShortUsage()
}
wg := sync.WaitGroup{}
chEntries := make(chan api.ScalewayImageInterface)
var entries = []api.ScalewayImageInterface{}
wg.Add(1)
go func() {
defer wg.Done()
images, err := cmd.API.GetImages()
if err != nil {
log.Fatalf("unable to fetch images from the Scaleway API: %v", err)
}
for _, val := range *images {
creationDate, err := time.Parse("2006-01-02T15:04:05.000000+00:00", val.CreationDate)
if err != nil {
log.Fatalf("unable to parse creation date from the Scaleway API: %v", err)
}
chEntries <- api.ScalewayImageInterface{
Type: "image",
CreationDate: creationDate,
Identifier: val.Identifier,
Name: val.Name,
Public: val.Public,
Tag: "latest",
VirtualSize: float64(val.RootVolume.Size),
}
}
}()
if imagesA {
wg.Add(1)
go func() {
defer wg.Done()
snapshots, err := cmd.API.GetSnapshots()
if err != nil {
log.Fatalf("unable to fetch snapshots from the Scaleway API: %v", err)
}
for _, val := range *snapshots {
creationDate, err := time.Parse("2006-01-02T15:04:05.000000+00:00", val.CreationDate)
if err != nil {
log.Fatalf("unable to parse creation date from the Scaleway API: %v", err)
}
chEntries <- api.ScalewayImageInterface{
Type: "snapshot",
CreationDate: creationDate,
Identifier: val.Identifier,
Name: val.Name,
Tag: "<snapshot>",
VirtualSize: float64(val.Size),
Public: false,
}
}
}()
wg.Add(1)
go func() {
defer wg.Done()
bootscripts, err := cmd.API.GetBootscripts()
if err != nil {
log.Fatalf("unable to fetch bootscripts from the Scaleway API: %v", err)
}
for _, val := range *bootscripts {
chEntries <- api.ScalewayImageInterface{
Type: "bootscript",
Identifier: val.Identifier,
Name: val.Title,
Tag: "<bootscript>",
Public: false,
}
}
}()
wg.Add(1)
go func() {
defer wg.Done()
volumes, err := cmd.API.GetVolumes()
if err != nil {
log.Fatalf("unable to fetch volumes from the Scaleway API: %v", err)
}
for _, val := range *volumes {
creationDate, err := time.Parse("2006-01-02T15:04:05.000000+00:00", val.CreationDate)
if err != nil {
log.Fatalf("unable to parse creation date from the Scaleway API: %v", err)
}
chEntries <- api.ScalewayImageInterface{
Type: "volume",
CreationDate: creationDate,
Identifier: val.Identifier,
Name: val.Name,
Tag: "<volume>",
VirtualSize: float64(val.Size),
Public: false,
}
}
}()
}
go func() {
wg.Wait()
close(chEntries)
}()
done := false
for {
select {
case entry, ok := <-chEntries:
if !ok {
done = true
break
}
entries = append(entries, entry)
}
if done {
break
}
}
w := tabwriter.NewWriter(os.Stdout, 20, 1, 3, ' ', 0)
defer w.Flush()
if !imagesQ {
fmt.Fprintf(w, "REPOSITORY\tTAG\tIMAGE ID\tCREATED\tVIRTUAL SIZE\n")
}
sort.Sort(api.ByCreationDate(entries))
for _, image := range entries {
if imagesQ {
fmt.Fprintf(w, "%s\n", image.Identifier)
} else {
tag := image.Tag
shortID := utils.TruncIf(image.Identifier, 8, !imagesNoTrunc)
name := utils.Wordify(image.Name)
if !image.Public && image.Type == "image" {
name = "user/" + name
}
shortName := utils.TruncIf(name, 25, !imagesNoTrunc)
var creationDate, virtualSize string
if image.CreationDate.IsZero() {
creationDate = "n/a"
} else {
creationDate = units.HumanDuration(time.Now().UTC().Sub(image.CreationDate))
}
if image.VirtualSize == 0 {
virtualSize = "n/a"
} else {
virtualSize = units.HumanSize(image.VirtualSize)
}
fmt.Fprintf(w, "%s\t%s\t%s\t%s\t%s\n", shortName, tag, shortID, creationDate, virtualSize)
}
}
}