127 lines
4 KiB
YAML
127 lines
4 KiB
YAML
---
|
|
#- name: Use a newer version of Node exporter for ubuntu 20.04
|
|
# block:
|
|
# - name: Set the default release
|
|
# lineinfile:
|
|
# path: /etc/apt/apt.conf.d/01-vendor-ubuntu
|
|
# regexp: '^APT::Default-Release '
|
|
# line: "APT::Default-Release \"{{ ansible_facts['lsb']['codename'] }}\";"
|
|
# - name: Pin node exporter
|
|
# copy:
|
|
# dest: /etc/apt/preferences.d/pin-prometheus-node-exporter
|
|
# content: |
|
|
# Package: prometheus-node-exporter
|
|
# Pin: release n={{ ansible_facts['lsb']['codename'] }}
|
|
# Pin-Priority: -10
|
|
|
|
# Package: prometheus-node-exporter
|
|
# Pin: release n=groovy
|
|
# Pin-Priority: 900
|
|
# - name: Add the repo from groovy
|
|
# apt_repository:
|
|
# repo: deb http://fr.archive.ubuntu.com/ubuntu groovy universe
|
|
# state: present
|
|
# when: ansible_facts['lsb']['id'] == 'Ubuntu' and ansible_facts['lsb']['codename'] == 'focal'
|
|
|
|
- name: Install Prometheus Node exporter
|
|
apt:
|
|
name:
|
|
- prometheus-node-exporter
|
|
- prometheus-node-exporter-collectors
|
|
state: latest
|
|
update_cache: true
|
|
install_recommends: false # Do not install smartmontools
|
|
|
|
|
|
- name: Install the local_x509 exporter
|
|
import_tasks: local_x509_collector.yml
|
|
|
|
- name: Ensure /etc/node_exporter exist
|
|
file:
|
|
path: /etc/node_exporter
|
|
state: directory
|
|
group: prometheus
|
|
owner: prometheus
|
|
mode: u=rwx,g=rx,o=rx
|
|
|
|
- name: Copy the config folder
|
|
template:
|
|
src: config.yaml
|
|
dest: /etc/node_exporter/config.yaml
|
|
group: prometheus
|
|
owner: prometheus
|
|
mode: u=rw,g=r,o=r
|
|
notify: Restart prometheus-node-exporter
|
|
|
|
- name: Copy the CA cert
|
|
copy:
|
|
content: "{{ ca_cert }}"
|
|
dest: /etc/node_exporter/ca.crt
|
|
notify: Restart prometheus-node-exporter
|
|
|
|
- name: Generate certificate
|
|
include_role:
|
|
name: generate-cert
|
|
vars:
|
|
directory: /etc/node_exporter/
|
|
cname: "node-exp-{{ lan_address }}"
|
|
owner: prometheus
|
|
group: prometheus
|
|
key_mode: u=rw,g=,o=
|
|
subject_alt_name: "IP:{{ lan_address }}"
|
|
# Need an equivalent to notify here
|
|
|
|
- name: Ensured the certificate is monitored
|
|
import_tasks: register-cert-to-monitoring.yml
|
|
vars:
|
|
target: "{{ lan_address }}:9100|node-exp-{{ lan_address }}|{{ ansible_facts['nodename'] }}"
|
|
|
|
- name: Setup the arguments for node-exporter
|
|
template:
|
|
src: prometheus-node-exporter
|
|
dest: /etc/default/prometheus-node-exporter
|
|
owner: root
|
|
group: root
|
|
mode: u=rw,g=r,o=r
|
|
notify: Restart prometheus-node-exporter
|
|
vars:
|
|
args:
|
|
- name: web.listen-address
|
|
value: "{{ lan_address }}:9100"
|
|
- name: web.config
|
|
value: /etc/node_exporter/config.yaml
|
|
|
|
- name: Add the node to the server targets
|
|
block:
|
|
- name: Get the list of targets of the server
|
|
slurp:
|
|
src: /etc/prometheus/targets/node-targets.json
|
|
register: server_node_target_file
|
|
delegate_to: "{{ appointed_prometheus_server }}"
|
|
|
|
- name: Set target variable
|
|
set_fact:
|
|
server_node_target: "{{ server_node_target_file['content'] | b64decode | from_json }}"
|
|
|
|
- name: Register the node to the prometheus server
|
|
block:
|
|
- name: Add the node to the targets
|
|
set_fact:
|
|
new_server_node_target: "[{{ server_node_target[0] | combine({'targets': [lan_address + '|' + ansible_facts['nodename']]}, list_merge='append_rp') }}]"
|
|
|
|
- name: Put the new target list
|
|
copy:
|
|
content: "{{ new_server_node_target | to_nice_json }}"
|
|
dest: /etc/prometheus/targets/node-targets.json
|
|
delegate_to: "{{ appointed_prometheus_server }}"
|
|
when: (lan_address + '|' + ansible_facts['nodename']) not in server_node_target.0.targets
|
|
|
|
- name: Add alert rules for node on the prometheus server
|
|
copy:
|
|
src: alerts-node.yml
|
|
dest: /etc/prometheus/alerts/node.yml
|
|
owner: prometheus
|
|
group: prometheus
|
|
mode: u=rw,g=r,o=r
|
|
delegate_to: "{{ appointed_prometheus_server }}"
|
|
notify: Restart appointed_prometheus_server
|