Fix systemd service startup ordering (#83)

ko-zu · paulfantom · commit f07cfcb56c69 · 2019-05-04T17:55:45.000+02:00
[patch] network.target does not provide working IP address.
We have to wait network-online.target instead.
diff --git a/templates/node_exporter.service.j2 b/templates/node_exporter.service.j2
@@ -2,7 +2,7 @@
 
 [Unit]
 Description=Prometheus Node Exporter
-After=network.target
+After=network-online.target
 
 [Service]
 Type=simple
