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---
- name: "Include OS-specific variables"
ansible.builtin.include_vars: "{{ ansible_facts['os_family'] | lower }}.yml"
- name: "Create prometheus group"
become: true
ansible.builtin.group:
name: "prometheus"
system: true
- name: "Create prometheus user"
become: true
ansible.builtin.user:
name: "prometheus"
group: "prometheus"
system: true
shell: "/usr/sbin/nologin"
create_home: false
- name: "Create prometheus directories"
become: true
ansible.builtin.file:
path: "{{ item }}"
state: "directory"
owner: "prometheus"
group: "prometheus"
mode: "0755"
loop:
- "/etc/prometheus"
- "/var/lib/prometheus"
- name: "Install prometheus"
become: true
ansible.builtin.package:
name: "prometheus"
state: "present"
- name: "Create prometheus configuration"
become: true
ansible.builtin.template:
src: "prometheus.yml.j2"
dest: "/etc/prometheus/prometheus.yml"
owner: "prometheus"
group: "prometheus"
mode: "0644"
notify: "Restart prometheus"
# NOTE: show systemd configurations using: systemctl cat prometheus
- name: "Configure prometheus host/port via environment file"
become: true
ansible.builtin.copy:
content: |
PROMETHEUS_ARGS="--web.listen-address={{ prometheus_host }}:{{ prometheus_port }}"
dest: "{{ prometheus_env_file }}"
mode: "0644"
notify: "Restart prometheus"
- name: "Start and enable prometheus"
become: true
ansible.builtin.systemd_service:
name: "prometheus"
state: "started"
enabled: true
- name: "Create prometheus nginx vhost configuration"
become: true
when: proxy_type == "nginx" and prometheus_hostname | length > 0
ansible.builtin.template:
src: "prometheus.nginx.conf.j2"
dest: "/etc/nginx/conf.d/prometheus.conf"
owner: "root"
group: "root"
mode: "0644"
backup: true
validate: >
bash -c 'echo "events { worker_connections 64; } http { include %s; }" > /tmp/nginx-vhost.conf;
sudo nginx -T -c /tmp/nginx-vhost.conf; ec=$?; rm -f /tmp/nginx-vhost.conf; exit $ec'
notify: "Restart proxy"
- name: "Create prometheus caddy configuration"
become: true
when: proxy_type == "caddy" and prometheus_hostname | length > 0
ansible.builtin.template:
src: "prometheus.caddy.j2"
dest: "/etc/caddy/sites/prometheus.caddy"
owner: "root"
group: "caddy"
mode: "0640"
notify: "Restart proxy"
|