Fix silly metrics cardinality and release 1.0.1

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "restate-operator"
-version = "1.0.0"
+version = "1.0.1"
 authors = ["restate.dev"]
 edition = "2021"
 rust-version = "1.75"

charts/restate-operator-helm/Chart.yaml

@@ -2,4 +2,4 @@ apiVersion: v2
 name: restate-operator-helm
 description: An operator for Restate clusters
 type: application
-version: "1.0.0"
+version: "1.0.1"

src/lib.rs

@@ -32,8 +32,15 @@ pub enum Error {
 pub type Result<T, E = Error> = std::result::Result<T, E>;
 
 impl Error {
-    pub fn metric_label(&self) -> String {
-        format!("{self:?}").to_lowercase()
+    pub fn metric_label(&self) -> &'static str {
+        match self {
+            Error::SerializationError(_) => "SerializationError",
+            Error::KubeError(_) => "KubeError",
+            Error::FinalizerError(_) => "FinalizerError",
+            Error::NameConflict => "NameConflict",
+            Error::NotReady { .. } => "NotReady",
+            Error::InvalidSigningKeyError(_) => "InvalidSigningKeyError",
+        }
     }
 }
 

src/metrics.rs

@@ -50,7 +50,7 @@ impl Metrics {
 
     pub fn reconcile_failure(&self, rc: &RestateCluster, e: &Error) {
         self.failures
-            .with_label_values(&[rc.name_any().as_ref(), e.metric_label().as_ref()])
+            .with_label_values(&[rc.name_any().as_ref(), e.metric_label()])
             .inc()
     }