add support for image pull secrets

Author: rajsameer

charts/prometheus-openstack-exporter/templates/deployment.yaml

@@ -46,6 +46,10 @@ spec:
       - name: openstack-config
         secret:
           secretName: openstack-config
+    {{- with .Values.imagePullSecrets }}
+      imagePullSecrets:
+{{ toYaml . | indent 8 }}
+    {{- end }}
     {{- with .Values.hostAliases }}
       hostAliases:
 {{ toYaml . | indent 8 }}

charts/prometheus-openstack-exporter/values.yaml

@@ -11,6 +11,11 @@ image:
   tag: 1.6.0
   pullPolicy: Always
 
+# imagePullSecrets:
+#   - name: my-registry-secret
+
+imagePullSecrets: []
+
 serviceMonitor:
   interval: 1m
   scrapeTimeout: 30s