chore: Add functionality to convert LogLevel to an OPA log level (#798)

* add to_opa_literal function

* add changelog

* add changelog headline

* Update crates/stackable-operator/CHANGELOG.md

Co-authored-by: Techassi <[email protected]>

---------

Co-authored-by: Techassi <[email protected]>

Author: xeniape

crates/stackable-operator/CHANGELOG.md

@@ -4,6 +4,12 @@ All notable changes to this project will be documented in this file.
 
 ## [Unreleased]
 
+### Added
+
+- Add functionality to convert LogLevel to an OPA log level ([#798]).
+
+[#798]: https://github.com/stackabletech/operator-rs/pull/798
+
 ## [0.68.0] - 2024-05-22
 
 - Support specifying externalTrafficPolicy in Services created by listener-operator ([#773], [#789], [#791]).

crates/stackable-operator/src/product_logging/spec.rs

@@ -377,6 +377,21 @@ impl LogLevel {
         self.to_log4j_literal()
     }
 
+    /// Convert the log level to a string understood by OPA
+    // based on https://www.openpolicyagent.org/docs/latest/cli/#options-10 opa has only log levels {debug,info,error}
+    pub fn to_opa_literal(&self) -> String {
+        match self {
+            LogLevel::TRACE => "debug",
+            LogLevel::DEBUG => "debug",
+            LogLevel::INFO => "info",
+            LogLevel::WARN => "error",
+            LogLevel::ERROR => "error",
+            LogLevel::FATAL => "error",
+            LogLevel::NONE => "error",
+        }
+        .into()
+    }
+
     /// Convert the log level to a Python expression
     pub fn to_python_expression(&self) -> String {
         match self {