gerrit: charts and app configuration

Change-Id: If4f05f749719d6ba0e2ced8da563699bc6fbc4c0
diff --git a/charts/gerrit/templates/nfs.configmap.yaml b/charts/gerrit/templates/nfs.configmap.yaml
new file mode 100644
index 0000000..dd2c3dd
--- /dev/null
+++ b/charts/gerrit/templates/nfs.configmap.yaml
@@ -0,0 +1,28 @@
+{{- if and .Values.nfsWorkaround.enabled .Values.nfsWorkaround.idDomain -}}
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: {{ .Release.Name }}-nfs-configmap
+  labels:
+    app.kubernetes.io/component: gerrit
+    app.kubernetes.io/instance: {{ .Release.Name }}
+    chart: {{ template "gerrit.chart" . }}
+    heritage: {{ .Release.Service }}
+    release: {{ .Release.Name }}
+    {{- if .Values.additionalLabels }}
+{{ toYaml .Values.additionalLabels  | indent 4 }}
+    {{- end }}
+data:
+  idmapd.conf: |-
+    [General]
+
+    Verbosity = 0
+    Pipefs-Directory = /run/rpc_pipefs
+    # set your own domain here, if it differs from FQDN minus hostname
+    Domain = {{ .Values.nfsWorkaround.idDomain }}
+
+    [Mapping]
+
+    Nobody-User = nobody
+    Nobody-Group = nogroup
+{{- end }}