install-prometheus-node-exporter

Install Prometheus Node Exporter on a supported host.

Steps performed are:

• Find latest Prometheus Node Exporter release available (or the specified one)
• Check latest release available of Prometheus Node Exporter
• Download list of SHA256 checksums for the specified release of Prometheus Node Exporter"
• Download the specified release of Prometheus Node Exporter"
• Create a dedicated system user for Prometheus Node Exporter (if not already present)"
• Extract 'node_exporter' from {{ install_prometheus_node_exporter.name }}"
• Set the systemd service file up for Prometheus Node Exporter"
• Force systemd to reread configuration files for services"
• Enable and restart systemd service for Prometheus Node Exporter"

:exclamation: Requirements

None.

:abcd: Role Variables

:link: Dependencies

• itnok.is_ubuntu (:octocat: ansible-role-is-ubuntu)

To install dependencies use:

    $ ansible-galaxy install <dependecy.name>

Installation of the required Ansible Roles can also be simply addressed with:

    $ ansible-galaxy install -r requirements.yml

:notebook: Example Playbook

Here an example of how to use this role in your playbooks:

---
- hosts: servers
  remote_user: ubuntu   # optional (your remote user)
  gather_facts: yes     # optional
  become: yes

  roles:
    - { role: itnok.install_prometheus_node_exporter }

  vars:
    install_prometheus: "latest"

:guardsman: License

MIT (read more)