func (e *ListManagersExecutor) Execute(t *Task) (err error) {
e.reply.Managers, err = datamodel.ListManagers()
if err != nil {
e.reply.Status = StatusError
} else {
for _, managers := range e.reply.Managers {
sort.Strings(managers)
}
e.reply.Status = StatusOk
}
return
}
func checkRole(role string, rType string) error {
log.Printf("[CheckRole] checking myself (%s:%s) for %s:%s", Region, Host, rType, role)
zkManager, err := datamodel.GetManager(Region, Host)
if err != nil {
return err
}
log.Printf("[CheckRole] roles: %v", zkManager.Roles)
if !zkManager.HasRole(role, rType) {
log.Printf("[CheckRole] role check fail.")
managersWithRole := ""
managers, err := datamodel.ListManagers()
if err != nil {
return err
}
for region, rManagers := range managers {
for _, manager := range rManagers {
zm, err := datamodel.GetManager(region, manager)
if err != nil {
continue
}
if zm.HasRole(role, rType) {
managersWithRole = managersWithRole + zm.ManagerCName + "\n"
}
}
}
return errors.New(fmt.Sprintf("This manager does not have the ability to %s %s. "+
"Please try one of these:\n%s", rType, role, managersWithRole))
}
log.Printf("[CheckRole] role check success.")
return nil
}