// add -
func (u *UserManager) add(config *cloudinit.CloudConfig) error {
for _, user := range config.Users {
if user.Name == u.User.Name {
u.Log.Errorf("user '%s' found, exiting", u.User.Name)
return nil // exit happily
}
}
u.Log.Infof("user '%s' not found, adding", u.User.Name)
config.Users = append(config.Users, *u.User)
if err := WriteDestination(u.Destination, config); err != nil {
u.Log.Errorf("failed to write new user_data: %s, error: %s", u.Destination, err)
}
return nil
}
// remove -
func (u *UserManager) remove(config *cloudinit.CloudConfig) error {
u.Log.Infof("searching for user '%s'", u.User.Name)
for i, user := range config.Users {
if user.Name == u.User.Name {
u.Log.Infof("user '%s' found, removing", u.User.Name)
config.Users = append(config.Users[:i], config.Users[i+1:]...)
if err := WriteDestination(u.Destination, config); err != nil {
u.Log.Errorf("failed to write new user_data: %s, error: %s", u.Destination, err)
return err
}
return nil
}
}
u.Log.Errorf("user '%s' not found, exiting", u.User.Name)
return nil
}
// update - TODO(johnt337): refactor this down...
func (u *UserManager) update(config *cloudinit.CloudConfig) error {
isDirty := false
for i, user := range config.Users {
if user.Name == u.User.Name {
if !u.Force {
if u.User.PasswordHash == "" {
u.Log.Infof("use '-force' to truncate the password")
} else {
if config.Users[i].PasswordHash == u.User.PasswordHash {
u.Log.Infof("password matches")
} else {
u.Log.Infof("password differs, updating")
config.Users[i].PasswordHash = u.User.PasswordHash
isDirty = true
}
}
if len(u.User.SSHAuthorizedKeys) <= 0 {
u.Log.Infof("use '-force' to truncate the sshkeys")
} else {
for _, newSSH := range u.User.SSHAuthorizedKeys {
addKey := true
for _, oldSSH := range config.Users[i].SSHAuthorizedKeys {
if newSSH == oldSSH {
u.Log.Infof("sshkey already exists, skipping")
addKey = false
}
}
if addKey {
if newSSH != "" {
u.Log.Infof("adding sshkey")
config.Users[i].SSHAuthorizedKeys = append(config.Users[i].SSHAuthorizedKeys, newSSH)
isDirty = true
}
}
}
}
if len(u.User.Groups) <= 0 {
u.Log.Infof("use '-force' to truncate the groups")
} else {
for _, newGroup := range u.User.Groups {
addGroup := true
for _, oldGroup := range config.Users[i].Groups {
if newGroup == oldGroup {
u.Log.Infof("group '%s' already exists, skipping", newGroup)
addGroup = false
}
}
if addGroup {
if newGroup != "" {
u.Log.Infof("adding group '%s' to user '%s'", newGroup, u.User.Name)
config.Users[i].Groups = append(config.Users[i].Groups, newGroup)
isDirty = true
}
}
}
}
} else {
u.Log.Infof("force overwriting user '%s'!", u.User.Name)
isDirty = true
}
if isDirty {
u.Log.Infof("updating user '%s'", u.User.Name)
// pop the old user entry, then push the new one
config.Users = append(config.Users[:i], config.Users[i+1:]...)
config.Users = append(config.Users, *u.User)
u.Log.Infof("validating generated cloudconfig")
err := u.validate(config)
if u.Validate {
if err != nil {
return fmt.Errorf("cloudconfig is invalid, exiting")
}
u.Log.Infof("cloudconfig is valid, exiting")
return nil
}
if err := WriteDestination(u.Destination, config); err != nil {
u.Log.Errorf("failed to write new user_data: %s, error: %s", u.Destination, err)
return err
}
} else {
u.Log.Infof("ignoring user '%s'", u.User.Name)
}
return nil
}
}
u.Log.Errorf("user '%s' not found, exiting", u.User.Name)
return nil
}