Function kubewarden_policy_sdk::validate_settings

pub fn validate_settings<T>(payload: &[u8]) -> CallResult where
    T: DeserializeOwned + Validatable, 

waPC guest function to register under the name validate_settings

Example

use kubewarden_policy_sdk::{validate_settings, settings::Validatable};
use serde::Deserialize;
use wapc_guest::register_function;

// This module settings require either `setting_a` or `setting_b`
// set. Both cannot be provided at the same time, and one has to be
// provided.
#[derive(Deserialize)]
struct Settings {
  setting_a: Option<String>,
  setting_b: Option<String>
}

impl Validatable for Settings {
  fn validate(&self) -> Result<(), String> {
    if self.setting_a.is_none() && self.setting_b.is_none() {
      Err("either setting A or setting B has to be provided".to_string())
    } else if self.setting_a.is_some() && self.setting_b.is_some() {
      Err("setting A and setting B cannot be set at the same time".to_string())
    } else {
      Ok(())
    }
  }
}

register_function("validate_settings", validate_settings::<Settings>);