feat(traefik): add support for insecureForwardAuth (#4247)

* add support for insecureSkipVerify for forwardAuth

* Fix handling of empty tls

* try something else

* simplify with with

* improve question layout and make proper version

* use piping for default

* Add some warning language for new feature

Signed-off-by: Ethan Leisinger <770373+packruler@users.noreply.github.com>

charts/stable/traefik/Chart.yaml

@@ -23,7 +23,7 @@ sources:
   - https://github.com/traefik/traefik-helm-chart
   - https://traefik.io/
 type: application
-version: 13.4.16
+version: 13.5.0
 annotations:
   truecharts.org/catagories: |
     - network

charts/stable/traefik/templates/middlewares/forwardauth.yaml

@@ -27,4 +27,8 @@ spec:
     {{- if $middlewareData.trustForwardHeader }}
     trustForwardHeader: true
     {{- end }}
+    {{- with $middlewareData.tls }}
+    tls:
+      insecureSkipVerify: {{ .insecureSkipVerify | default false }}
+    {{- end }}
 {{ end }}

templates/questions/traefik/forwardAuthMiddleware.yaml

@@ -27,6 +27,20 @@
                       schema:
                         type: boolean
                         default: false
+                    - variable: tls
+                      label: TLS
+                      schema:
+                        additional_attrs: true
+                        type: dict
+                        attrs:
+                          - variable: insecureSkipVerify
+                            label: insecureSkipVerify (expert)
+                            description: >-
+                              This disables all TLS certificate validation on communications with the authentication endpoint.
+                              This could be a security risk and should only be used if you know what you are doing.
+                            schema:
+                              type: boolean
+                              default: false
                     - variable: authResponseHeadersRegex
                       label: authResponseHeadersRegex
                       schema: