chore: Move ADR helper files into folders with their corresponding ADR number

adr/003-abstractions/topology2/src/main.rs

@@ -0,0 +1,183 @@
+// Clean capability-based design using type parameters
+
+trait Capability {}
+
+trait K8sCapability: Capability {
+    fn deploy_k8s_resource(&self, resource_yaml: &str);
+    fn execute_kubectl(&self, command: &str) -> String;
+}
+
+trait LinuxCapability: Capability {
+    fn execute_command(&self, command: &str, args: &[&str]);
+    fn download_file(&self, url: &str, destination: &str) -> Result<(), String>;
+}
+
+trait LoadBalancerCapability: Capability {
+    fn configure_load_balancer(&self, services: &[&str], port: u16);
+    fn get_load_balancer_status(&self) -> String;
+}
+
+// Score trait with capability type parameter
+trait Score<C: ?Sized> {
+    fn execute(&self, capability: &C) -> String;
+}
+
+// Topology implementations with marker trait
+trait Topology {}
+
+struct K3DTopology {}
+impl Topology for K3DTopology {}
+impl Capability for K3DTopology {}
+impl K8sCapability for K3DTopology {
+    fn deploy_k8s_resource(&self, resource_yaml: &str) {
+        todo!()
+    }
+
+    fn execute_kubectl(&self, command: &str) -> String {
+        todo!()
+    }
+    // Implementation...
+}
+
+struct LinuxTopology {}
+impl Topology for LinuxTopology {}
+impl Capability for LinuxTopology {}
+impl LinuxCapability for LinuxTopology {
+    fn execute_command(&self, command: &str, args: &[&str]) {
+        todo!()
+    }
+
+    fn download_file(&self, url: &str, destination: &str) -> Result<(), String> {
+        todo!()
+    }
+    // Implementation...
+}
+
+struct OKDHaClusterTopology {}
+impl Topology for OKDHaClusterTopology {}
+impl Capability for OKDHaClusterTopology {}
+impl K8sCapability for OKDHaClusterTopology {
+    fn deploy_k8s_resource(&self, resource_yaml: &str) {
+        todo!()
+    }
+
+    fn execute_kubectl(&self, command: &str) -> String {
+        todo!()
+    }
+    // Implementation...
+}
+impl LinuxCapability for OKDHaClusterTopology {
+    fn execute_command(&self, command: &str, args: &[&str]) {
+        todo!()
+    }
+
+    fn download_file(&self, url: &str, destination: &str) -> Result<(), String> {
+        todo!()
+    }
+    // Implementation...
+}
+impl LoadBalancerCapability for OKDHaClusterTopology {
+    fn configure_load_balancer(&self, services: &[&str], port: u16) {
+        todo!()
+    }
+
+    fn get_load_balancer_status(&self) -> String {
+        todo!()
+    }
+    // Implementation...
+}
+
+// Score implementations
+struct LAMPScore {}
+impl Score<dyn K8sCapability> for LAMPScore {
+    fn execute(&self, capability: &dyn K8sCapability) -> String {
+        todo!()
+        // Implementation...
+    }
+}
+
+struct BinaryScore {}
+impl Score<dyn LinuxCapability> for BinaryScore {
+    fn execute(&self, capability: &dyn LinuxCapability) -> String {
+        todo!()
+        // Implementation...
+    }
+}
+
+struct LoadBalancerScore {}
+impl Score<dyn LoadBalancerCapability> for LoadBalancerScore {
+    fn execute(&self, capability: &dyn LoadBalancerCapability) -> String {
+        todo!()
+        // Implementation...
+    }
+}
+
+// Generic Maestro
+struct Maestro<T> {
+    topology: T,
+    scores: Vec<Box<dyn FnMut(&T) -> String>>,
+}
+
+impl<T: 'static> Maestro<T> {
+    fn new(topology: T) -> Self {
+        Self {
+            topology,
+            scores: Vec::new(),
+        }
+    }
+    
+    fn interpret_all(&mut self) -> Vec<String> {
+        self.scores.iter_mut()
+            .map(|score| score(&self.topology))
+            .collect()
+    }
+}
+
+// Capability-specific extensions
+impl<T: K8sCapability + 'static> Maestro<T> {
+    fn register_k8s_score<S: Score<dyn K8sCapability> + 'static>(&mut self, score: S) {
+        let score_box = Box::new(move |topology: &T| {
+            score.execute(topology as &dyn K8sCapability)
+        });
+        self.scores.push(score_box);
+    }
+}
+
+impl<T: LinuxCapability + 'static> Maestro<T> {
+    fn register_linux_score<S: Score<dyn LinuxCapability> + 'static>(&mut self, score: S) {
+        let score_box = Box::new(move |topology: &T| {
+            score.execute(topology as &dyn LinuxCapability)
+        });
+        self.scores.push(score_box);
+    }
+}
+
+impl<T: LoadBalancerCapability + 'static> Maestro<T> {
+    fn register_lb_score<S: Score<dyn LoadBalancerCapability> + 'static>(&mut self, score: S) {
+        let score_box = Box::new(move |topology: &T| {
+            score.execute(topology as &dyn LoadBalancerCapability)
+        });
+        self.scores.push(score_box);
+    }
+}
+
+fn main() {
+    // Example usage
+    let k3d = K3DTopology {};
+    let mut k3d_maestro = Maestro::new(k3d);
+    
+    // These will compile because K3D implements K8sCapability
+    k3d_maestro.register_k8s_score(LAMPScore {});
+    
+    // This would not compile because K3D doesn't implement LoadBalancerCapability
+    // k3d_maestro.register_lb_score(LoadBalancerScore {});
+    
+    let linux = LinuxTopology {};
+    let mut linux_maestro = Maestro::new(linux);
+    
+    // This will compile because Linux implements LinuxCapability
+    linux_maestro.register_linux_score(BinaryScore {});
+    
+    // This would not compile because Linux doesn't implement K8sCapability
+    // linux_maestro.register_k8s_score(LAMPScore {});
+}