Can listen to Minio buckets creation / update

src/main.rs

@@ -1,4 +1,7 @@
-use kube::Client;
+use futures::TryStreamExt;
+use kube::{Api, Client};
+use kube::runtime::{watcher, WatchStreamExt};
+use minio_operator::crd::MinioBucket;
 
 #[tokio::main]
 async fn main() -> anyhow::Result<()> {
@@ -6,5 +9,25 @@ async fn main() -> anyhow::Result<()> {
 
     let client = Client::try_default().await?;
 
+    let buckets: Api<MinioBucket> = Api::default_namespaced(client.clone());
+
+    // Listen for events / buckets creation or update (deletion is not supported)
+    let wc = watcher::Config::default();
+    let bw = watcher(buckets, wc).applied_objects();
+    futures::pin_mut!(bw);
+
+    while let Some(b) = bw.try_next().await? {
+        if let Err(e) = apply_bucket(&b, &client).await {
+            log::error!("Failed to apply desired configuration for applied bucket {} : {}", b.spec.name, e)
+        }
+    }
+
     Ok(())
 }
+
+
+/// Make sure a bucket is compliant with a desired configuration
+async fn apply_bucket(b: &MinioBucket, _client: &Client) -> anyhow::Result<()> {
+    log::info!("Apply configuration for bucket {}", b.spec.name);
+    Ok(())
+}