genpolicy: add default implementation for use_sandbox_pidns

This patch adds a default implementation for the use_sandbox_pidns
and updates the structs that implement the K8sResource trait to use
the default.

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

src/tools/genpolicy/src/config_map.rs

@@ -98,8 +98,4 @@ impl yaml::K8sResource for ConfigMap {
     fn get_annotations(&self) -> &Option<BTreeMap<String, String>> {
         &self.metadata.annotations
     }
-
-    fn use_sandbox_pidns(&self) -> bool {
-        panic!("Unsupported");
-    }
 }

src/tools/genpolicy/src/list.rs

@@ -80,8 +80,4 @@ impl yaml::K8sResource for List {
         }
         serde_yaml::to_string(&self).unwrap()
     }
-
-    fn use_sandbox_pidns(&self) -> bool {
-        panic!("Unsupported");
-    }
 }

src/tools/genpolicy/src/no_policy.rs

@@ -34,8 +34,4 @@ impl yaml::K8sResource for NoPolicyResource {
     fn serialize(&mut self, _policy: &str) -> String {
         self.yaml.clone()
     }
-
-    fn use_sandbox_pidns(&self) -> bool {
-        panic!("Unsupported");
-    }
 }

src/tools/genpolicy/src/secret.rs

@@ -83,8 +83,4 @@ impl yaml::K8sResource for Secret {
     fn serialize(&mut self, _policy: &str) -> String {
         serde_yaml::to_string(&self.doc_mapping).unwrap()
     }
-
-    fn use_sandbox_pidns(&self) -> bool {
-        panic!("Unsupported");
-    }
 }

src/tools/genpolicy/src/yaml.rs

@@ -82,7 +82,9 @@ pub trait K8sResource {
         panic!("Unsupported");
     }
 
-    fn use_sandbox_pidns(&self) -> bool;
+    fn use_sandbox_pidns(&self) -> bool {
+        panic!("Unsupported");
+    }
 }
 
 /// See Reference / Kubernetes API / Common Definitions / LabelSelector.