lldap-controller/src/resources/mod.rs
2025-03-22 04:18:29 +01:00

73 lines
2.0 KiB
Rust

mod service_user;
use core::fmt;
use std::sync::Arc;
use k8s_openapi::NamespaceResourceScope;
use kube::runtime::controller::Action;
use kube::runtime::finalizer;
use kube::{Api, Resource, ResourceExt};
use serde::Serialize;
use serde::de::DeserializeOwned;
use tracing::{debug, instrument};
pub use self::service_user::ServiceUser;
use crate::context::Context;
use crate::lldap;
#[derive(thiserror::Error, Debug)]
pub enum Error {
#[error("Failed to commit: {0}")]
Commit(#[from] kube::api::entry::CommitError),
#[error("Kube api error: {0}")]
Kube(#[from] kube::Error),
#[error("LLDAP error: {0}")]
Lldap(#[from] lldap::Error),
#[error("Finalizer error: {0}")]
Finalizer(#[source] Box<finalizer::Error<Self>>),
#[error("MissingObjectKey: {0}")]
MissingObjectKey(&'static str),
}
impl From<finalizer::Error<Self>> for Error {
fn from(error: finalizer::Error<Self>) -> Self {
Self::Finalizer(Box::new(error))
}
}
type Result<T, E = Error> = std::result::Result<T, E>;
trait Reconcile {
async fn reconcile(self: Arc<Self>, ctx: Arc<Context>) -> Result<Action>;
async fn cleanup(self: Arc<Self>, ctx: Arc<Context>) -> Result<Action>;
}
#[instrument(skip(obj, ctx))]
pub async fn reconcile<T>(obj: Arc<T>, ctx: Arc<Context>) -> Result<Action>
where
T: Resource<Scope = NamespaceResourceScope>
+ ResourceExt
+ Clone
+ Serialize
+ DeserializeOwned
+ fmt::Debug
+ Reconcile,
<T as Resource>::DynamicType: Default,
{
debug!(name = obj.name_any(), "Reconcile");
let namespace = obj.namespace().expect("Resource is namespace scoped");
let service_users = Api::<T>::namespaced(ctx.client.clone(), &namespace);
Ok(
finalizer(&service_users, &ctx.controller_name, obj, |event| async {
match event {
finalizer::Event::Apply(obj) => obj.reconcile(ctx.clone()).await,
finalizer::Event::Cleanup(obj) => obj.cleanup(ctx.clone()).await,
}
})
.await?,
)
}