feat(influxdb2): add optional values for password and token (#146)

charts/influxdb2/Chart.yaml

@@ -5,7 +5,7 @@ name: influxdb2
 description: A Helm chart for InfluxDB v2
 home: https://www.influxdata.com/products/influxdb-overview/influxdb-2-0/
 type: application
-version: 1.0.4
+version: 1.0.5
 maintainers:
 - name: rawkode
   email: rawkode@influxdata.com

charts/influxdb2/README.md

@@ -48,4 +48,8 @@ The [InfluxDB](https://quay.io/influxdb/influxdb:2.0.0-beta) image stores data i
 
 If persistence is enabled, a [Persistent Volume](http://kubernetes.io/docs/user-guide/persistent-volumes/) associated with StatefulSet is provisioned. The volume is created using dynamic volume provisioning. In case of a disruption (for example, a node drain), Kubernetes ensures that the same volume is reattached to the Pod, preventing any data loss. However, when persistence is **not enabled**, InfluxDB data is stored in an empty directory, so if a Pod restarts, data is lost.
 
-Check out our [Slack channel](https://www.influxdata.com/slack) for support and information.
\ No newline at end of file
+Check out our [Slack channel](https://www.influxdata.com/slack) for support and information.
+
+## Fixed Auth Credentials
+
+If you need to use fixed token and/or password you can fill `adminUser.password` and `adminUser.token` on your values file to avoid using random values generation.

charts/influxdb2/templates/secret.yaml

@@ -5,5 +5,14 @@ metadata:
     {{- include "influxdb.labels" . | nindent 4 }}
   name: {{ template "influxdb.fullname" . }}-auth
 data:
-  admin-password: {{ randAlphaNum 32 | b64enc | quote }}
+  {{- if .Values.adminUser.token }}
+  admin-token: {{ .Values.adminUser.token  | b64enc | quote }}
+  {{- else }}
   admin-token: {{ randAlphaNum 32 | b64enc | quote }}
+  {{- end }}
+
+  {{- if .Values.adminUser.password }}
+  admin-password: {{ .Values.adminUser.password | b64enc | quote }}
+  {{- else }}
+  admin-password: {{ randAlphaNum 32 | b64enc | quote }}
+  {{- end }}

charts/influxdb2/values.yaml

@@ -30,6 +30,10 @@ adminUser:
   organization: "influxdata"
   bucket: "default"
   user: "admin"
+  ## Leave empty to generate a random password and token.
+  ## Or fill any of these values to use fixed values.
+  password: ""
+  token: ""
 
 ## Persist data to a persistent volume
 ##