Updated node_exporter 0.17.0->0.18.0

prometheus/defaults.yaml

@@ -23,10 +23,10 @@ prometheus:
       url: https://prometheus.io/docs/alerting/alertmanager/
   exporter:
     node:
-      version: 0.17.0.linux-amd64
+      version: 0.18.0.linux-amd64
       install_dir: /opt
-      source: https://github.com/prometheus/node_exporter/releases/download/v0.17.0/node_exporter-0.17.0.linux-amd64.tar.gz
-      source_hash: https://github.com/prometheus/node_exporter/releases/download/v0.17.0/sha256sums.txt
+      source: https://github.com/prometheus/node_exporter/releases/download/v0.18.0/node_exporter-0.18.0.linux-amd64.tar.gz
+      source_hash: https://github.com/prometheus/node_exporter/releases/download/v0.18.0/sha256sums.txt
       args:
         url: https://github.com/prometheus/node_exporter
         service_args: []