// Add user onto the system using useradd exec
func (l *awsUser) addUser() error {
if l.localUser == nil {
CMD_ARGS := []string{"-p", "123", "-U", "-m", l.iamUser, "-G", l.SudoGroup}
_, err := exec.Command("useradd", CMD_ARGS...).Output()
if err != nil {
return err
}
log.Info(fmt.Sprintf("Creating user %v", l.iamUser))
lusr, _ := user.Lookup(l.iamUser)
l.localUser = lusr
}
return nil
}
// Remove users from system that are not in the group list
func RemoveUser(usr string) error {
u, err := user.Lookup(usr)
if err != nil {
return err
}
CMD := "userdel"
CMD_ARGS := []string{"-r", u.Username}
if _, err := exec.Command(CMD, CMD_ARGS...).Output(); err != nil {
log.Error(fmt.Sprintf("Error deleting user %v", usr))
return err
}
log.Info(fmt.Sprintf("Deleted user %v", usr))
return nil
}
// Loop through the keys and call add key to add key to the box
func Keys(l *user.User, kp string, ks []string) error {
f, err := os.Create(kp)
defer f.Close()
if err != nil {
return err
log.Error(fmt.Sprintf("Error creating %v", kp))
}
log.Debug(fmt.Sprintf("Created file %v writing keys %v", kp, ks))
w := bufio.NewWriter(f)
for _, k := range ks {
fmt.Fprintln(w, k)
log.Info(fmt.Sprintf("adding key %v", k[0:20]))
}
w.Flush()
if err := setPerms(l, kp); err != nil {
return err
}
return nil
}
// function main call out into validate code
func main() {
// Make and initaize the map for structure
umap := make(userMap)
// Check the flag options
flagOptions()
// Get a list of the groups
grpList = splitString(*groups)
if *onetime {
if err := umap.userSync(grpList); err != nil {
os.Exit(1)
}
os.Exit(0)
}
// Set the channels
stopChan := make(chan bool)
doneChan := make(chan bool)
errChan := make(chan error, 10)
go umap.process(grpList, doneChan, stopChan, *interval)
signalChan := make(chan os.Signal, 1)
signal.Notify(signalChan, syscall.SIGINT, syscall.SIGTERM)
for {
select {
case err := <-errChan:
log.Error(fmt.Sprintf("Error captured: %v", err.Error()))
case s := <-signalChan:
log.Info(fmt.Sprintf("Captured %v. Exiting...", s))
close(doneChan)
case <-doneChan:
os.Exit(0)
}
}
}