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node exporter

Prometheus exporter for hardware and OS metrics exposed by *nix kernels.

The exporter is maintained by prometheus/node_exporter project.

We provides two ways to install the node exporter :

  • on a standard instance (on-prem, cloud, etc)
  • on Kubernetes cluster nodes

Install on a standard instance

For a standard instance, we use an ansible role maintained by cloudalchemy/ansible-node-exporter, to deploy the exporter into an instance.

Create the ansible playbook file

Create a node-exporter.yml file with the following content :

- hosts: <host>
  roles:
    - role: cloudalchemy.node-exporter

Replace <host> with the host (or list of hosts) where to install the exporter.

Deploy it

ansible-galaxy install cloudalchemy.node-exporter
ansible-playbook -vv node-exporter.yml

Install on Kubernetes cluster nodes

If you've already installed the monitoring for Kubernetes in your Kubernetes cluster, so your nodes are probably already monitored.