infra/playbooks/deploy_node_exporter.yaml

70 lines
1.9 KiB
YAML

---
- name: Install Prometheus Node Exporter
hosts: all
become: true
vars:
node_exporter_version: "1.10.2"
architecture: "linux-amd64"
# Defines where the binary is downloaded/extracted
download_url: "https://github.com/prometheus/node_exporter/releases/download/v{{ node_exporter_version }}/node_exporter-{{ node_exporter_version }}.{{ architecture }}.tar.gz"
tasks:
- name: Create node_exporter group
group:
name: node_exporter
state: present
- name: Create node_exporter user
user:
name: node_exporter
group: node_exporter
shell: /bin/false
create_home: no
- name: Download and unarchive Node Exporter
unarchive:
src: "{{ download_url }}"
dest: /tmp/
remote_src: yes
- name: Move binary to /usr/local/bin
copy:
src: "/tmp/node_exporter-{{ node_exporter_version }}.{{ architecture }}/node_exporter"
dest: /usr/local/bin/node_exporter
mode: '0755'
owner: node_exporter
group: node_exporter
remote_src: yes
- name: Create Systemd service file
copy:
dest: /etc/systemd/system/node_exporter.service
content: |
[Unit]
Description=Node Exporter
Wants=network-online.target
After=network-online.target
[Service]
User=node_exporter
Group=node_exporter
Type=simple
ExecStart=/usr/local/bin/node_exporter
[Install]
WantedBy=multi-user.target
- name: Force systemd to reread configs
systemd:
daemon_reload: yes
- name: Enable and start Node Exporter
systemd:
name: node_exporter
state: started
enabled: yes
- name: Clean up temporary files
file:
path: "/tmp/node_exporter-{{ node_exporter_version }}.{{ architecture }}"
state: absent