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---
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- name: Install Prometheus
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apt:
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update_cache: true
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name:
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- prometheus
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- prometheus-snmp-exporter
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register: apt_result
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retries: 3
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until: apt_result is succeeded
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- name: Configure Prometheus
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template:
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src: prometheus/prometheus.yml.j2
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dest: /etc/prometheus/prometheus.yml
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notify: Restart Prometheus
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- name: Configure Prometheus alert rules
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template:
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src: "prometheus/{{ item }}.j2"
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dest: "/etc/prometheus/{{ item }}"
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notify: Restart Prometheus
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loop:
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- alert.rules.yml
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- django.rules.yml
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- name: Make Prometheus snmp-exporter listen on localhost only
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lineinfile:
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path: /etc/default/prometheus-snmp-exporter
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regexp: '^ARGS='
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line: "ARGS=\"--web.listen-address=127.0.0.1:9116\""
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notify: Restart prometheus-snmp-exporter
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# We don't need to restart Prometheus when updating nodes
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- name: Configure Prometheus nodes
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copy:
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content: "{{ prometheus_targets | to_nice_json }}"
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dest: /etc/prometheus/targets.json
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- name: Activate prometheus service
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systemd:
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name: prometheus
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enabled: yes
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state: started
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- name: Indicate role in motd
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template:
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src: update-motd.d/05-service.j2
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dest: /etc/update-motd.d/05-prometheus
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mode: 0755
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