From 56d3c33402a13682349f8775489d6973c2356b1e Mon Sep 17 00:00:00 2001
From: Nicole <nicolasaelf64@gmail.com>
Date: Tue, 6 Feb 2024 17:32:39 -0700
Subject: [PATCH] [prometheus-node-exporter] Add Support for Environment
 Variables for KubeRBACProxy Container (#4202)

* add support for env vars for kuberbacproxy container

Signed-off-by: Nicole <nicolasaelf64@gmail.com>

* remove extra space in env braces

Signed-off-by: Nicole <nicolasaelf64@gmail.com>

* rebase from main and change env var for krp to with from if

Signed-off-by: Nicole <nicolasaelf64@gmail.com>

* update version

Signed-off-by: Nicole <nicolasaelf64@gmail.com>

* syntax fix

Signed-off-by: Nicole <nicolasaelf64@gmail.com>

---------

Signed-off-by: Nicole <nicolasaelf64@gmail.com>
---
 charts/prometheus-node-exporter/Chart.yaml               | 2 +-
 charts/prometheus-node-exporter/templates/daemonset.yaml | 7 +++++++
 charts/prometheus-node-exporter/values.yaml              | 3 +++
 3 files changed, 11 insertions(+), 1 deletion(-)

diff --git a/charts/prometheus-node-exporter/Chart.yaml b/charts/prometheus-node-exporter/Chart.yaml
index 7abe42bbcf85..5e54656ed41c 100644
--- a/charts/prometheus-node-exporter/Chart.yaml
+++ b/charts/prometheus-node-exporter/Chart.yaml
@@ -6,7 +6,7 @@ keywords:
   - prometheus
   - exporter
 type: application
-version: 4.28.0
+version: 4.29.0
 appVersion: 1.7.0
 home: https://github.com/prometheus/node_exporter/
 sources:
diff --git a/charts/prometheus-node-exporter/templates/daemonset.yaml b/charts/prometheus-node-exporter/templates/daemonset.yaml
index 77b578d562d4..c43616e61d2f 100644
--- a/charts/prometheus-node-exporter/templates/daemonset.yaml
+++ b/charts/prometheus-node-exporter/templates/daemonset.yaml
@@ -230,6 +230,13 @@ spec:
           terminationMessagePolicy: {{ .terminationMessagePolicy }}
           {{- end }}
           {{- end }}
+          {{- with .Values.kubeRBACProxy.env }}
+          env:
+            {{- range $key, $value := $.Values.kubeRBACProxy.env }}
+            - name: {{ $key }}
+              value: {{ $value | quote }}
+            {{- end }}
+          {{- end }}
           {{- if .Values.kubeRBACProxy.containerSecurityContext }}
           securityContext:
           {{ toYaml .Values.kubeRBACProxy.containerSecurityContext | nindent 12 }}
diff --git a/charts/prometheus-node-exporter/values.yaml b/charts/prometheus-node-exporter/values.yaml
index 6b81b6c8aaf4..6d5e31e12a7a 100644
--- a/charts/prometheus-node-exporter/values.yaml
+++ b/charts/prometheus-node-exporter/values.yaml
@@ -39,6 +39,9 @@ global:
 # The requests are served through the same service but requests are HTTPS.
 kubeRBACProxy:
   enabled: false
+  ## Set environment variables as name/value pairs
+  env: {}
+    # VARIABLE: value
   image:
     registry: quay.io
     repository: brancz/kube-rbac-proxy