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README.md

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+Ansible-Role: Node exporter
+=========
+
+This role installs [node-exporter](https://github.com/prometheus/node_exporter) for the prometeus metrics server and configures the systemd service
+
+#### Installation
+
+1: go to the roles folder
+2: cloning the repository git clone url node_exporter
+
+Requirements
+------------
+
+N/A
+
+Role Variables
+--------------
+
+---
+#### General
+
+```yaml
+NE_version: 'latest'
+NE_arch: 'amd64'
+NE_host: ''
+NE_port: 9100
+NE_options: ''
+```
+- NE_version:  Node_exporter version
+- NE_arch:   System architecture
+- NE_host: the IP address where node_exporter will listen
+- NE_port: the port where node_exporter will listen (Don't forget to open it.)
+- NE_optinos: Abstract attributes of node_exporter
+#### Download
+
+```yaml
+NE_download_url: https://github.com/prometheus/node_exporter/releases/download/v{{ NE_version }}/node_exporter-{{ NE_version }}.linux-{{ NE_arch }}.tar.gz
+```
+- NE_download_url generating the node_exporter download link
+
+#### Setting systemd
+
+```yaml
+NE_bin_path: /usr/local/bin/node_exporter
+NE_state: started
+NE_enabled: true
+NE_restart: on-failure
+```
+- NE_bin_path The installation path of the binary file
+- NE_state Start of the systemd service
+- NE_enbaled Enabling systemd service startup
+- NE_restart restarting node_exporter.service when it fails
+
+Dependencies
+------------
+
+no 
+
+Example Playbook
+----------------
+
+```yaml
+    - hosts: servers
+      roles:
+        - role: node_exporter
+```
+License
+-------
+
+MIT
+
+Author Information
+------------------
+1xtier
+
+[github](https://github.com/1xtier)
+
+[blog](https://1xtier.ru)

defaults/main.yml

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+---
+# General
+NE_version: '1.10.2'
+NE_arch: 'amd64'
+NE_host: ''
+NE_port: 9100
+NE_options: ''
+# Download
+NE_download_url: https://github.com/prometheus/node_exporter/releases/download/v{{ NE_version }}/node_exporter-{{ NE_version }}.linux-{{ NE_arch }}.tar.gz
+# Setting systemd
+NE_bin_path: /usr/local/bin/node_exporter
+NE_state: started
+NE_enabled: true
+NE_restart: on-failure

handlers/main.yml

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+#SPDX-License-Identifier: MIT-0
+---
+# handlers file for node-exporter

meta/main.yml

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+#SPDX-License-Identifier: MIT-0
+dependencies: []
+galaxy_info:
+  author: 1xtier
+  role_name: node_exporter
+  description: Installing node-exporter
+  company: RedFex
+  license: license (MIT)
+  min_ansible_version: 2.1
+  platforms:
+    - name: GenericUNIX
+      versions:
+        - all
+    - name: Fedora
+      versions:
+        - all
+    - name: Ubuntu
+      versions:
+        - all
+    - name: Debian
+      versions:
+        - all
+  galaxy_tags:
+    - system
+    - monitoring
+    - prometheus
+    - node
+    - exporter
+    - metrics   
+

tasks/main.yml

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+#SPDX-License-Identifier: MIT-0
+---
+- name: Downloading node-exporter
+  ansible.builtin.unarchive:
+    src: "{{ NE_download_url }}"
+    dest: /tmp
+    mode: 0755
+    remote_src: yes
+
+- name: Copying the node_exporter bin file
+  ansible.builtin.copy:
+    src: "/tmp/node_exporter-{{ NE_version }}.linux-{{NE_arch }}/node_exporter"
+    dest: "{{ NE_bin_path }}"
+    mode: 0755
+    remote_src: yes
+
+- name: "Installing node-exporter"
+  ansible.builtin.user:
+    name: "nodeusr"
+    shell: "/bin/false"
+    create_home: false
+    state: present
+
+- name: I copy the node_exporter.service file
+  ansible.builtin.template:
+    src: node_exporter.service.j2
+    dest: /etc/systemd/system/node_exporter.service
+    mode: 0644
+
+- name: re-reading the systemd configuration
+  ansible.builtin.systemd_service:
+    daemon_reload: true
+
+- name: Starting node_exoporter.service
+  ansible.builtin.systemd_service:
+    name: node_exporter.service
+    state: "{{ NE_state }}"
+    enabled: "{{ NE_enabled }}"

templates/node_exporter.service.j2

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+[Unit]
+Description=Node Exporter Service
+After=network.target
+
+[Service]
+User=nodeusr
+Group=nodeusr
+Type=simple
+ExecStart={{ NE_bin_path }} --web.listen-address={{ NE_host }}:{{ NE_port }} {{ NE_options }}
+ExecReload=/bin/kill -HUP $MAINPID
+Restart={{ NE_restart }}
+
+[Install]
+WantedBy=multi-user.target

tests/inventory

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+#SPDX-License-Identifier: MIT-0
+localhost
+

tests/test.yml

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+#SPDX-License-Identifier: MIT-0
+---
+- hosts: localhost
+  remote_user: root
+  roles:
+    - node-exporter

vars/main.yml

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+#SPDX-License-Identifier: MIT-0
+---
+# vars file for node-exporter