genpolicy: add default implementation for use_host_network

- Provide default implementation for use_host_network
- Remove default implementation from structs implementing the trait K8sResource

Fixes: #8960
Signed-off-by: Archana Choudhary <archana1@microsoft.com>

src/tools/genpolicy/src/config_map.rs

@@ -99,10 +99,6 @@ impl yaml::K8sResource for ConfigMap {
         &self.metadata.annotations
     }
 
-    fn use_host_network(&self) -> bool {
-        panic!("Unsupported");
-    }
-
     fn use_sandbox_pidns(&self) -> bool {
         panic!("Unsupported");
     }

src/tools/genpolicy/src/list.rs

@@ -81,10 +81,6 @@ impl yaml::K8sResource for List {
         serde_yaml::to_string(&self).unwrap()
     }
 
-    fn use_host_network(&self) -> bool {
-        panic!("Unsupported");
-    }
-
     fn use_sandbox_pidns(&self) -> bool {
         panic!("Unsupported");
     }

src/tools/genpolicy/src/no_policy.rs

@@ -35,10 +35,6 @@ impl yaml::K8sResource for NoPolicyResource {
         self.yaml.clone()
     }
 
-    fn use_host_network(&self) -> bool {
-        panic!("Unsupported");
-    }
-
     fn use_sandbox_pidns(&self) -> bool {
         panic!("Unsupported");
     }

src/tools/genpolicy/src/secret.rs

@@ -84,10 +84,6 @@ impl yaml::K8sResource for Secret {
         serde_yaml::to_string(&self.doc_mapping).unwrap()
     }
 
-    fn use_host_network(&self) -> bool {
-        panic!("Unsupported");
-    }
-
     fn use_sandbox_pidns(&self) -> bool {
         panic!("Unsupported");
     }

src/tools/genpolicy/src/yaml.rs

@@ -78,7 +78,10 @@ pub trait K8sResource {
         panic!("Unsupported");
     }
 
-    fn use_host_network(&self) -> bool;
+    fn use_host_network(&self) -> bool {
+        panic!("Unsupported");
+    }
+
     fn use_sandbox_pidns(&self) -> bool;
 }