gerrit: charts and app configuration

Change-Id: If4f05f749719d6ba0e2ced8da563699bc6fbc4c0
diff --git a/charts/gerrit-replica/templates/image-pull.secret.yaml b/charts/gerrit-replica/templates/image-pull.secret.yaml
new file mode 100644
index 0000000..3f97cd0
--- /dev/null
+++ b/charts/gerrit-replica/templates/image-pull.secret.yaml
@@ -0,0 +1,13 @@
+{{ if and .Values.images.registry.ImagePullSecret.name .Values.images.registry.ImagePullSecret.create -}}
+apiVersion: v1
+kind: Secret
+metadata:
+  name: {{ .Values.images.registry.ImagePullSecret.name }}
+  labels:
+    {{- if .Values.additionalLabels }}
+{{ toYaml .Values.additionalLabels  | indent 4 }}
+    {{- end }}
+type: kubernetes.io/dockerconfigjson
+data:
+  .dockerconfigjson: {{ template "imagePullSecret" . }}
+{{- end }}
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