Files
harmony/harmony/src/modules/application/feature.rs

106 lines
2.4 KiB
Rust

use std::error::Error;
use async_trait::async_trait;
use derive_new::new;
use serde::Serialize;
use crate::{executors::ExecutorError, topology::Topology};
/// An ApplicationFeature provided by harmony, such as Backups, Monitoring, MultisiteAvailability,
/// ContinuousIntegration, ContinuousDelivery
#[async_trait]
pub trait ApplicationFeature<T: Topology>:
std::fmt::Debug + Send + Sync + ApplicationFeatureClone<T>
{
async fn ensure_installed(
&self,
topology: &T,
) -> Result<InstallationOutcome, InstallationError>;
fn name(&self) -> String;
}
pub trait ApplicationFeatureClone<T: Topology> {
fn clone_box(&self) -> Box<dyn ApplicationFeature<T>>;
}
impl<A, T: Topology> ApplicationFeatureClone<T> for A
where
A: ApplicationFeature<T> + Clone + 'static,
{
fn clone_box(&self) -> Box<dyn ApplicationFeature<T>> {
Box::new(self.clone())
}
}
impl<T: Topology> Serialize for Box<dyn ApplicationFeature<T>> {
fn serialize<S>(&self, _serializer: S) -> Result<S::Ok, S::Error>
where
S: serde::Serializer,
{
todo!()
}
}
impl<T: Topology> Clone for Box<dyn ApplicationFeature<T>> {
fn clone(&self) -> Self {
self.clone_box()
}
}
#[derive(Debug, Clone, PartialEq, Eq)]
pub enum InstallationOutcome {
Success { details: Vec<String> },
Noop,
}
impl InstallationOutcome {
pub fn success() -> Self {
Self::Success { details: vec![] }
}
pub fn success_with_details(details: Vec<String>) -> Self {
Self::Success { details }
}
pub fn noop() -> Self {
Self::Noop
}
}
#[derive(Debug, Clone, new)]
pub struct InstallationError {
msg: String,
}
impl std::fmt::Display for InstallationError {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
f.write_str(&self.msg)
}
}
impl Error for InstallationError {}
impl From<ExecutorError> for InstallationError {
fn from(value: ExecutorError) -> Self {
Self {
msg: format!("InstallationError : {value}"),
}
}
}
impl From<kube::Error> for InstallationError {
fn from(value: kube::Error) -> Self {
Self {
msg: format!("InstallationError : {value}"),
}
}
}
impl From<String> for InstallationError {
fn from(value: String) -> Self {
Self {
msg: format!("PreparationError : {value}"),
}
}
}