Add health checks for standard Kubernetes RBAC resources

README.md

@@ -51,10 +51,10 @@ This function implements resource-specific health checks for standard Kubernetes
 - [ ] NetworkPolicy
 
 ### RBAC (rbac.authorization.k8s.io/v1)
-- [ ] Role
-- [ ] ClusterRole
-- [ ] RoleBinding
-- [ ] ClusterRoleBinding
+- [x] Role - Always ready if it exists
+- [x] ClusterRole - Always ready if it exists
+- [x] RoleBinding - Always ready if it exists
+- [x] ClusterRoleBinding - Always ready if it exists
 
 ### Storage (storage.k8s.io/v1)
 - [ ] StorageClass

healthchecks/clusterrole.go

@@ -0,0 +1,14 @@
+package healthchecks
+
+import (
+	"k8s.io/apimachinery/pkg/runtime/schema"
+)
+
+func registerClusterRoleHealthCheck() {
+	gvk := schema.GroupVersionKind{
+		Group:   "rbac.authorization.k8s.io",
+		Version: "v1",
+		Kind:    "ClusterRole",
+	}
+	RegisterHealthCheck(gvk, alwaysReady)
+}

healthchecks/clusterrolebinding.go

@@ -0,0 +1,14 @@
+package healthchecks
+
+import (
+	"k8s.io/apimachinery/pkg/runtime/schema"
+)
+
+func registerClusterRoleBindingHealthCheck() {
+	gvk := schema.GroupVersionKind{
+		Group:   "rbac.authorization.k8s.io",
+		Version: "v1",
+		Kind:    "ClusterRoleBinding",
+	}
+	RegisterHealthCheck(gvk, alwaysReady)
+}

healthchecks/registry.go

@@ -57,6 +57,8 @@ func getInt64Field(obj map[string]interface{}, path ...string) (int64, bool) {
 
 func init() {
 	// Register all standard Kubernetes resource health checks
+	registerClusterRoleBindingHealthCheck()
+	registerClusterRoleHealthCheck()
 	registerConfigMapHealthCheck()
 	registerCronJobHealthCheck()
 	registerDaemonSetHealthCheck()
@@ -68,6 +70,8 @@ func init() {
 	registerPersistentVolumeClaimHealthCheck()
 	registerPodHealthCheck()
 	registerReplicaSetHealthCheck()
+	registerRoleBindingHealthCheck()
+	registerRoleHealthCheck()
 	registerSecretHealthCheck()
 	registerServiceHealthCheck()
 	registerServiceAccountHealthCheck()

healthchecks/role.go

@@ -0,0 +1,14 @@
+package healthchecks
+
+import (
+	"k8s.io/apimachinery/pkg/runtime/schema"
+)
+
+func registerRoleHealthCheck() {
+	gvk := schema.GroupVersionKind{
+		Group:   "rbac.authorization.k8s.io",
+		Version: "v1",
+		Kind:    "Role",
+	}
+	RegisterHealthCheck(gvk, alwaysReady)
+}

healthchecks/rolebinding.go

@@ -0,0 +1,14 @@
+package healthchecks
+
+import (
+	"k8s.io/apimachinery/pkg/runtime/schema"
+)
+
+func registerRoleBindingHealthCheck() {
+	gvk := schema.GroupVersionKind{
+		Group:   "rbac.authorization.k8s.io",
+		Version: "v1",
+		Kind:    "RoleBinding",
+	}
+	RegisterHealthCheck(gvk, alwaysReady)
+}