Feature add host alias (#58)

* feature_add_hostAliases

wip

* wip

* remove redis tgz

* bump version to 5.0.7

* Update Chart.yaml

Co-authored-by: Pierluigi Lenoci <[email protected]>

Author: lgthibault

helm/oauth2-proxy/Chart.yaml

@@ -1,5 +1,5 @@
 name: oauth2-proxy
-version: 5.2.1
+version: 5.3.0
 apiVersion: v2
 appVersion: 7.2.0
 home: https://oauth2-proxy.github.io/oauth2-proxy/

helm/oauth2-proxy/README.md

@@ -106,6 +106,9 @@ Parameter | Description | Default
 `extraEnv` | key:value list of extra environment variables to give the binary | `[]`
 `extraVolumes` | list of extra volumes | `[]`
 `extraVolumeMounts` | list of extra volumeMounts | `[]`
+`hostAlias.enabled`  | provide extra ip:hostname alias for network name resolution.
+`hostAlias.ip`  | `ip` address `hostAliases.hostname` should resolve to.
+`hostAlias.hostname`  | `hostname` associated to `hostAliases.ip`.
 `htpasswdFile.enabled` | enable htpasswd-file option | `false`
 `htpasswdFile.entries` | list of [SHA encrypted user:passwords](https://oauth2-proxy.github.io/oauth2-proxy/docs/configuration/overview#command-line-options) | `{}`
 `htpasswdFile.existingSecret` | existing Kubernetes secret to use for OAuth2 htpasswd file | `""`

helm/oauth2-proxy/templates/deployment.yaml

@@ -39,6 +39,12 @@ spec:
         {{- toYaml . | nindent 8 }}
       {{- end }}
       serviceAccountName: {{ template "oauth2-proxy.serviceAccountName" . }}
+      {{- if .Values.hostAlias.enabled }}
+      hostAliases:
+        - ip: {{ .Values.hostAlias.ip }}
+          hostnames:
+          - {{ .Values.hostAlias.hostname }}
+      {{- end }}
       containers:
       - name: {{ .Chart.Name }}
         image: "{{ .Values.image.repository }}:{{ .Values.image.tag }}"

helm/oauth2-proxy/values.yaml

@@ -147,6 +147,12 @@ extraVolumeMounts: []
 
 priorityClassName: ""
 
+# Host aliases, useful when working "on premise" where (public) DNS resolver does not know about my hosts.
+hostAlias:
+  enabled: false
+  # ip: "10.xxx.xxx.xxx"
+  # hostname: "auth.example.com"
+
 # Affinity for pod assignment
 # Ref: https://kubernetes.io/docs/concepts/configuration/assign-pod-node/#affinity-and-anti-affinity
 # affinity: {}