From 50354ed8355d6e6b1bd5e30c4dcf57a0d6e0ae5c Mon Sep 17 00:00:00 2001
From: "v.oleynikov" <vasily.oleynikov@flant.com>
Date: Tue, 13 Jan 2026 20:43:30 +0300
Subject: [PATCH] feat(_module_controller): add controllerMetricsPort parameter

Add optional controllerMetricsPort parameter to helm_lib_module_controller_manifests
template for exposing metrics port in controller container.

Usage:
  $config := dict
    "controllerMetricsPort" 8080
    ...
---
 charts/helm_lib/Chart.yaml                       | 2 +-
 charts/helm_lib/templates/_module_controller.tpl | 8 ++++++++
 2 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/charts/helm_lib/Chart.yaml b/charts/helm_lib/Chart.yaml
index 5f7ea4e..cc043e7 100644
--- a/charts/helm_lib/Chart.yaml
+++ b/charts/helm_lib/Chart.yaml
@@ -1,5 +1,5 @@
 apiVersion: v2
 type: library
 name: deckhouse_lib_helm
-version: 1.69.0
+version: 1.69.1
 description: "Helm utils template definitions for Deckhouse modules."
diff --git a/charts/helm_lib/templates/_module_controller.tpl b/charts/helm_lib/templates/_module_controller.tpl
index e09c709..e4282a7 100644
--- a/charts/helm_lib/templates/_module_controller.tpl
+++ b/charts/helm_lib/templates/_module_controller.tpl
@@ -40,6 +40,7 @@ memory: 50Mi
   - webhooksCertMountPath: mount path for webhook certs (default: "/etc/webhook/certs")
   - webhooksCommand: command for webhooks container
   - controllerPort: port for controller probes (default: 8081)
+  - controllerMetricsPort: port for controller metrics (optional, no port exposed if not set)
 */ -}}
 {{- define "helm_lib_module_controller_manifests" }}
   {{- $context := index . 0 }}
@@ -68,6 +69,7 @@ memory: 50Mi
   {{- $webhooksCertMountPath := $config.webhooksCertMountPath | default "/etc/webhook/certs" }}
   {{- $webhooksCommand := $config.webhooksCommand }}
   {{- $controllerPort := $config.controllerPort | default 8081 }}
+  {{- $controllerMetricsPort := $config.controllerMetricsPort }}
 
   {{- /* Get module values */ -}}
   {{- $moduleValues := index $context.Values $valuesKey }}
@@ -195,6 +197,12 @@ spec:
               scheme: HTTP
             periodSeconds: 1
             failureThreshold: 3
+          {{- if $controllerMetricsPort }}
+          ports:
+            - name: metrics
+              containerPort: {{ $controllerMetricsPort }}
+              protocol: TCP
+          {{- end }}
           resources:
             requests:
               {{- include "helm_lib_module_ephemeral_storage_only_logs" $context | nindent 14 }}