forked from ISTI-ansible-roles/ansible-roles
library/roles/prometheus-haproxy-exporter: Playbook that installs and runs the prometheus haproxy exporter.
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---
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prometheus_h_e_install: True
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prometheus_h_e_version: 0.9.0
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prometheus_h_e_dir: 'haproxy_exporter-{{ prometheus_h_e_version }}.linux-amd64'
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prometheus_h_e_file: '{{ prometheus_h_e_dir }}.tar.gz'
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prometheus_h_e_download_url: 'https://github.com/prometheus/haproxy_exporter/releases/download/v{{ prometheus_h_e_version }}/{{ prometheus_h_e_file }}'
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prometheus_h_e_user: prometheus
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prometheus_h_e_home: /opt/prometheus
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prometheus_h_e_dist_dir: '{{ prometheus_h_e_home }}/dist'
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prometheus_h_e_logdir: '/var/log/prometheus-haproxy-exporter'
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prometheus_h_e_cmd: '{{ prometheus_h_e_dist_dir }}/{{ prometheus_h_e_dir }}/haproxy_exporter'
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prometheus_h_e_port: 9101
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prometheus_h_e_loglevel: info
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prometheus_h_e_haproxy_pid: '/run/haproxy.pid'
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prometheus_h_e_haproxy_stats_port: 8881
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prometheus_h_e_opts: '--web.listen-address=":{{ prometheus_h_e_port }}" --log.level={{ prometheus_h_e_loglevel }} --haproxy.pid-file="{{ prometheus_h_e_haproxy_pid }}" --haproxy.scrape-uri="http://localhost:{{ prometheus_h_e_haproxy_stats_port }}/;csv"'
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# List the additional options here
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prometheus_h_e_additional_opts: ''
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---
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- name: systemd reload
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command: systemctl daemon-reload
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- name: Restart haproxy exporter
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service: name=haproxy_exporter state=restarted
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---
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- block:
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- name: Create the user under the haproxy exporter will run
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user: name={{ prometheus_h_e_user }} home={{ prometheus_h_e_home }} createhome=no shell=/usr/sbin/nologin system=yes
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- name: Create the prometheus haproxy exporter base directory
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file: dest={{ item }} state=directory owner=root group=root
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with_items:
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- '{{ prometheus_h_e_home }}'
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- '{{ prometheus_h_e_dist_dir }}'
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- name: Create the prometheus haproxy exporter log directory
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file: dest={{ prometheus_h_e_logdir }} state=directory owner={{ prometheus_h_e_user }} group={{ prometheus_h_e_user }}
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- name: Download the prometheus haproxy exporter
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get_url: url={{ prometheus_h_e_download_url }} dest=/srv/
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- name: Unarchive the prometheus distribution
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unarchive: src=/srv/{{ prometheus_h_e_file }} dest={{ prometheus_h_e_dist_dir }} remote_src=yes owner=root group=root
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args:
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creates: '{{ prometheus_h_e_dist_dir }}/{{ prometheus_h_e_dir }}/haproxy_exporter'
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notify: Restart haproxy exporter
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- name: Install the prometheus haproxy exporter upstart script
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template: src=haproxy_exporter.upstart.j2 dest=/etc/init/haproxy_exporter.conf mode=0644 owner=root group=root
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when: ansible_service_mgr != 'systemd'
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- name: Install the prometheus haproxy exporter systemd unit
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template: src=haproxy_exporter.systemd.j2 dest=/etc/systemd/system/haproxy_exporter.service mode=0644 owner=root group=root
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when: ansible_service_mgr == 'systemd'
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notify: systemd reload
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- name: Ensure that prometheus haproxy_exporter is started and enabled
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service: name=haproxy_exporter state=started enabled=yes
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tags: [ 'prometheus', 'haproxy_exporter' ]
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when: prometheus_h_e_install
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- block:
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- name: Ensure that prometheus haproxy_exporter is stopped and disabled
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service: name=haproxy_exporter state=stopped enabled=no
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- name: Remove prometheus haproxy exporter upstart script
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file: dest=/etc/init/haproxy_exporter.conf state=absent
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when: ansible_service_mgr != 'systemd'
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- name: Remove the prometheus haproxy exporter systemd unit
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file: dest=/etc/systemd/system/haproxy_exporter.service state=absent
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when: ansible_service_mgr == 'systemd'
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notify: systemd reload
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tags: [ 'prometheus', 'haproxy_exporter' ]
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when: not prometheus_h_e_install
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[Unit]
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Description=haproxy_exporter - Prometheus exporter for haproxy metrics and stats.
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After=network.target
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[Service]
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Type=simple
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User={{ prometheus_user }}
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Group={{ prometheus_user }}
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ExecStart={{ prometheus_h_e_cmd }} {{ prometheus_h_e_opts }} {{ prometheus_h_e_additional_opts }} --collector.systemd
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description "Prometheus haproxy exporter"
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start on (local-filesystems and net-device-up IFACE!=lo)
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stop on runlevel [016]
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respawn
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respawn limit 10 5
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setuid {{ prometheus_h_e_user }}
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setgid {{ prometheus_h_e_user }}
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script
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exec {{ prometheus_h_e_cmd }} {{ prometheus_h_e_opts }} {{ prometheus_h_e_additional_opts }} > {{ prometheus_h_e_logdir }}/haproxy_exporter.log 2>&1
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end script
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