Bump chart to 0.2.2 and add secret checks

Updated Chart.yaml and README to version 0.2.2
Added conditional rendering for accessToken and tokenCache
Secrets only included when corresponding values are set

Author: vquie

charts/snds-exporter/Chart.yaml

@@ -2,7 +2,7 @@ apiVersion: v2
 name: snds-exporter
 description: A Helm chart for running the snds-exporter with OAuth token files in Kubernetes.
 type: application
-version: 0.2.1
+version: 0.2.2
 appVersion: "0.2.2"
 keywords:
   - snds

charts/snds-exporter/README.md

@@ -1,6 +1,6 @@
 # snds-exporter
 
-![Version: 0.2.0](https://img.shields.io/badge/Version-0.2.0-informational?style=flat-square) ![Type: application](https://img.shields.io/badge/Type-application-informational?style=flat-square) ![AppVersion: 0.2.2](https://img.shields.io/badge/AppVersion-0.2.2-informational?style=flat-square)
+![Version: 0.2.2](https://img.shields.io/badge/Version-0.2.2-informational?style=flat-square) ![Type: application](https://img.shields.io/badge/Type-application-informational?style=flat-square) ![AppVersion: 0.2.2](https://img.shields.io/badge/AppVersion-0.2.2-informational?style=flat-square)
 
 A Helm chart for running the snds-exporter with OAuth token files in Kubernetes.
 

charts/snds-exporter/templates/secrets.yaml

@@ -10,7 +10,15 @@ metadata:
     {{- toYaml . | nindent 4 }}
   {{- end }}
 type: Opaque
+{{- $hasAccessToken := not (empty .Values.auth.secret.accessToken) }}
+{{- $hasTokenCache := not (empty .Values.auth.secret.tokenCache) }}
+{{- if or $hasAccessToken $hasTokenCache }}
 stringData:
+  {{- if $hasAccessToken }}
   {{ .Values.auth.secret.accessTokenKey }}: {{ .Values.auth.secret.accessToken | quote }}
+  {{- end }}
+  {{- if $hasTokenCache }}
   {{ .Values.auth.secret.tokenCacheKey }}: {{ .Values.auth.secret.tokenCache | quote }}
+  {{- end }}
+{{- end }}
 {{- end }}