Refactor server related code in its own module.

Author: razvan

rust/operator-binary/src/connect/common.rs

@@ -0,0 +1,38 @@
+use stackable_operator::kvp::ObjectLabels;
+use strum::Display;
+
+use crate::{
+    connect::crd::{CONNECT_CONTROLLER_NAME, CONNECT_SERVER_ROLE_NAME},
+    crd::constants::{APP_NAME, OPERATOR_NAME},
+};
+
+const DUMMY_SPARK_CONNECT_GROUP_NAME: &str = "default";
+
+pub fn labels<'a, T>(scs: &'a T, app_version_label: &'a str, role: &'a str) -> ObjectLabels<'a, T> {
+    ObjectLabels {
+        owner: scs,
+        app_name: APP_NAME,
+        app_version: app_version_label,
+        operator_name: OPERATOR_NAME,
+        controller_name: CONNECT_CONTROLLER_NAME,
+        role,
+        role_group: DUMMY_SPARK_CONNECT_GROUP_NAME,
+    }
+}
+
+// The dead code annotation is to shut up complains about missing Executor instantiations
+// These will come in the future.
+#[allow(dead_code)]
+#[derive(Clone, Debug, Display)]
+#[strum(serialize_all = "lowercase")]
+pub enum SparkConnectRole {
+    Server,
+    Executor,
+}
+
+pub fn object_name(stacklet_name: &str, role: SparkConnectRole) -> String {
+    match role {
+        SparkConnectRole::Server => format!("{}-{}", stacklet_name, CONNECT_SERVER_ROLE_NAME),
+        SparkConnectRole::Executor => todo!(),
+    }
+}