Ansibel role for anstaling node exporte

Set up Ansible:

Make sure you have Ansible installed on the machine from which you'll run the playbook.

reate an Ansible Inventory:

Create an Ansible inventory file (e.g., inventory.ini). The inventory file defines the hosts on which you want to install Node Exporter. For each host, specify the SSH user and IP address. If you have

multiple hosts, list them under different groups.

[nodes] your_target_host ansible_ssh_user=your_ssh_user ansible_ssh_host=your_target_ip

clone the role

write a simple playbook and use the role

---

• name: Install Prometheus Node Exporter hosts: nodes become: yes roles:
  • Node_exporter_role

The steps for instaling node exporte:

Node exporter : installation binaire

1 Download Node Exporter binary from the specified URL.

2 Extract the downloaded binary to /usr/local/bin.

3 Create a system user called node_exporter with the /bin/false shell.

4 Set ownership of the Node Exporter binary to the node_exporter user and group.

5 Copy the systemd service template to the /etc/systemd/system directory.

6 Notify the systemd handler to reload systemd configuration after copying the service file.

7 Enable and start the Node Exporter systemd service.