func runAppList(cmd *cobra.Command, args []string) int {
if len(args) != 1 {
cmd.Usage()
return 1
}
apps, err := rkt.AppsForPod(args[0], getDataDir(), "")
if err != nil {
stderr.PrintE("error listing apps", err)
return 1
}
tabBuffer := new(bytes.Buffer)
tabOut := getTabOutWithWriter(tabBuffer)
if !flagNoLegend {
fmt.Fprintf(tabOut, "NAME\tSTATE\n")
}
for _, app := range apps {
fmt.Fprintf(tabOut, "%s\t%s\n", app.Name, app.State)
}
tabOut.Flush()
stdout.Print(tabBuffer)
return 0
}
func runAppStatus(cmd *cobra.Command, args []string) (exit int) {
if len(args) != 1 || flagAppName == "" {
cmd.Usage()
return 1
}
apps, err := rkt.AppsForPod(args[0], getDataDir(), flagAppName)
if err != nil {
stderr.PrintE("error getting app status", err)
return 1
}
if len(apps) == 0 {
stderr.Error(fmt.Errorf("cannot find app %q in the pod", flagAppName))
return 1
}
// Must have only 1 app.
if len(apps) != 1 {
stderr.Error(fmt.Errorf("find more than one app with the name %q", flagAppName))
return 1
}
// TODO(yifan): Print yamls.
switch flagFormat {
case outputFormatJSON:
result, err := json.Marshal(apps[0])
if err != nil {
stderr.PrintE("error marshaling the app status", err)
return 1
}
stdout.Print(string(result))
case outputFormatPrettyJSON:
result, err := json.MarshalIndent(apps[0], "", "\t")
if err != nil {
stderr.PrintE("error marshaling the app status", err)
return 1
}
stdout.Print(string(result))
default:
printApp(apps[0])
}
return 0
}