auth-proxy: proxies only authenticated requests to upstream, redirects to login page otherwise (#103)

* auth-proxy: inspects authenticated user

* ingress: chart and use in rpuppy

* auth-proxy: make it optional in rpuppy

* kratos: whitelist env pub/priv domains for auth return_to addr

* url-shortener: put behind auth-proxy

* pihole: replace oauth2-client with auth-proxy

* auth-proxy: fix upstream uri generation

* pihole: remove old chart using oauth2

* auth-proxy: remove temporary values file

* url-shortener: check x-user header for authentication

* auth: fix allowed_return_urls list

* auth-proxy: fix current address generation logic

---------

Co-authored-by: Giorgi Lekveishvili <lekva@gl-mbp-m1-max.local>
diff --git a/charts/pihole/templates/secret.yaml b/charts/pihole/templates/secret.yaml
new file mode 100644
index 0000000..e603cbb
--- /dev/null
+++ b/charts/pihole/templates/secret.yaml
@@ -0,0 +1,18 @@
+{{- if and .Values.admin.enabled (not .Values.admin.existingSecret) }}
+apiVersion: v1
+kind: Secret
+metadata:
+  name: {{ template "pihole.password-secret" . }}
+  labels:
+    app: {{ template "pihole.name" . }}
+    chart: {{ template "pihole.chart" . }}
+    heritage: {{ .Release.Service }}
+    release: {{ .Release.Name }}
+type: Opaque
+data:
+  {{- if .Values.adminPassword }}
+  password: {{ .Values.adminPassword | b64enc | quote }}
+  {{- else }}
+  password: {{ randAlphaNum 40 | b64enc | quote }}
+  {{- end }}
+{{- end }}