11/10/2023 0 Comments Node exporterYou may need to install the curl utility before this command works. Let’s test whether the node exporter is exporting data as it should. I chose these because I found this contributed dashboard that is preconfigured to use the metrics from this set of exporters.īy default, the node exporter we installed will export data to localhost at port 9100 to /metrics. There are other Prometheus exporter packages available, even a package of Prometheus itself if you have a router with storage and memory large enough to run the full version (in which case you could actually remote_write to Grafana Cloud directly from your router!). Prometheus-node-exporter-lua-wifi_stations Prometheus-node-exporter-lua-nat_traffic \ Opkg install prometheus-node-exporter-lua \ To install the packages, we use the Opkg package manager that comes with OpenWrt. prometheus-node-exporter-lua-wifi_stations.prometheus-node-exporter-lua-nat_traffic.There are several packages we want to install, including a Prometheus node exporter and a set of specific metric exporters. Fortunately, there are Prometheus node exporter packages available in the OpenWrt package manager. I want them in a Prometheus format to make visualization in Grafana Cloud simple. The first thing to figure out is how to export useful metrics from the router. If you prefer to use a GUI, Luci provides an interface that is similar to stock firmware and easy to navigate. An ssh connection gives you a Busybox shell that includes a useful subset of standard UNIX utilities. You can log in to the router directly using ssh or, if you have it installed, you can use a web UI called Luci. There are two ways to interact with OpenWrt to install packages. This is how we will accomplish today’s goal. Most of those packages allow significant configuration options. Interacting with OpenWrtĪlong with the base operating system, the OpenWrt Project provides a large set of software packages you can install to customize how you use your hardware and what the software does. You must also have an internet router that is set up properly and running OpenWrt and a system within your local area network capable of running Prometheus to scrape the metrics from your router and forward them to Grafana Cloud. I did that some time back, so today all I really had to do was prepare to create a Prometheus configuration YAML file by making note of my Grafana Cloud username and in the place of a password, an API key. There is a free plan available that is perfect for a project like this. To send my metrics to Grafana Cloud, I first had to sign up for a Grafana Cloud account and get it set up. In this post, I will describe how to monitor the functionality of my Linksys WRT1900AC router running OpenWrt using Grafana Cloud. When you do, you frequently end up with enhanced stability along with additional configuration options not available in the stock software. You can install OpenWrt on a wide range of supported devices. I’ve been an open source fan and user for many, many years, going back to before we defined the term “ open source” and we called it “ free software.” Whenever and wherever possible I prefer to have control over the software I run on my devices.Ĭase in point: My internet router runs OpenWrt, which is a free/open source Linux operating system designed to replace the software provided by the router’s manufacturer.
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