feat: add proxyVarsFromSecret value

Signed-off-by: Zadkiel AHARONIAN <[email protected]>

Author: aslafy-z

helm/oauth2-proxy/Chart.yaml

@@ -1,5 +1,5 @@
 name: oauth2-proxy
-version: 7.4.1
+version: 7.5.0
 apiVersion: v2
 appVersion: 7.6.0
 home: https://oauth2-proxy.github.io/oauth2-proxy/
@@ -34,8 +34,8 @@ maintainers:
 kubeVersion: ">=1.9.0-0"
 annotations:
   artifacthub.io/changes: |
-    - kind: changed
-      description: Fix link in readme to existingSecret needed fields
+    - kind: added
+      description: Add proxyVarsFromSecret value
       links:
         - name: Github PR
-          url: https://github.com/oauth2-proxy/manifests/pull/193
+          url: https://github.com/oauth2-proxy/manifests/pull/196

helm/oauth2-proxy/templates/deployment.yaml

@@ -146,6 +146,11 @@ spec:
         lifecycle:
 {{ toYaml .Values.lifecycle | indent 10 }}
 {{- end }}
+        {{- with .Values.proxyVarsFromSecret }}
+        envFrom:
+        - secretRef:
+            name: {{  . }}
+        {{- end }}
         env:
         {{- if .Values.proxyVarsAsSecrets }}
         - name: OAUTH2_PROXY_CLIENT_ID

helm/oauth2-proxy/values.yaml

@@ -221,6 +221,9 @@ nodeSelector: {}
 # Whether to use secrets instead of environment values for setting up OAUTH2_PROXY variables
 proxyVarsAsSecrets: true
 
+# Import environment variables from an existing secret
+# proxyVarsFromSecret: my-secret-name
+
 # Configure Kubernetes liveness and readiness probes.
 # Ref: https://kubernetes.io/docs/tasks/configure-pod-container/configure-liveness-readiness-probes/
 # Disable both when deploying with Istio 1.0 mTLS. https://istio.io/help/faq/security/#k8s-health-checks