Adding node-exporter stats to nem-monitoring

Change-Id: I9db3f1b6ae54a702b52633b310f7248850a0e1ea
diff --git a/nem-monitoring/templates/grafana-dashboard-node-exporter.yaml b/nem-monitoring/templates/grafana-dashboard-node-exporter.yaml
new file mode 100644
index 0000000..684f7e3
--- /dev/null
+++ b/nem-monitoring/templates/grafana-dashboard-node-exporter.yaml
@@ -0,0 +1,24 @@
+---
+# Copyright 2018-present Open Networking Foundation
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: grafana-dashboard-node-exporter
+  labels:
+     grafana_dashboard: "1"
+data:
+  xos.json: |
+{{ .Files.Get "grafana-dashboards/node-exporter.json" | indent 4 }}