update default configuration and readme

README.md

@@ -24,8 +24,8 @@ All variables which can be overridden are stored in [defaults/main.yml](defaults
 | -------------- | ------------- | -----------------------------------|
 | `node_exporter_version` | 0.15.2 | Node exporter package version |
 | `node_exporter_web_listen_address` | "0.0.0.0:9100" | Address on which node exporter will listen |
-| `node_exporter_enabled_collectors` | [ conntrack, diskstats, entropy, filefd, filesystem, hwmon, loadavg, mdadm, meminfo, netdev, netstat, stat, textfile, time, vmstat, systemd, ntp ] | List of enabled collectors |
-| `node_exporter_disabled_collectors` | [ logind ] | List of disabled collectors | 
+| `node_exporter_enabled_collectors` | [ systemd ] | List of additionally enabled collectors. It adds collectors to those enabled by [default](https://github.com/prometheus/node_exporter#enabled-by-default) |
+| `node_exporter_disabled_collectors` | [] | List of disabled collectors. By default node_exporter disables collectors listed [here](https://github.com/prometheus/node_exporter#disabled-by-default). |
 
 ## Example
 

defaults/main.yml

@@ -3,11 +3,9 @@ node_exporter_version: 0.16.0
 node_exporter_web_listen_address: "0.0.0.0:9100"
 
 node_exporter_enabled_collectors:
-  - filesystem:
-      ignored-mount-points: "^/(sys|proc|dev)($|/)"
-      ignored-fs-types: "^(sys|proc|auto)fs$"
   - systemd
+#  - filesystem:
+#      ignored-mount-points: "^/(sys|proc|dev)($|/)"
+#      ignored-fs-types: "^(sys|proc|auto)fs$"
 
-node_exporter_disabled_collectors:
-  - logind
-  - ntp
+node_exporter_disabled_collectors: []