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|
---
- name: check if prometheus apt component of spreadspace repo is enabled
assert:
msg: "please enable the 'prometheus' component of spreadspace repo using 'spreadspace_apt_repo_components'"
that:
- spreadspace_apt_repo_components is defined
- "'prometheus' in spreadspace_apt_repo_components"
- name: prepare storage volume for /var/lib/prometheus
when: prometheus_server_storage is defined
vars:
storage_volume: "{{ prometheus_server_storage | combine({'dest': '/var/lib/prometheus'}) }}"
include_role:
name: "storage/{{ prometheus_server_storage.type }}/volume"
- name: install apt packages
apt:
name: prom-server
state: present
- name: add user for server
user:
name: prometheus
system: yes
home: /var/lib/prometheus
create_home: no
- name: create data directory
file:
path: /var/lib/prometheus/metrics2
state: directory
owner: prometheus
group: prometheus
- name: create TLS CA and certificates
import_tasks: tls.yml
- name: create configuration directories
loop:
- jobs
- rules
- targets
file:
path: "/etc/prometheus/{{ item }}"
state: directory
- name: create sub-directroy for all exporter types in jobs directory
loop: "{{ prometheus_server_jobs_generic + prometheus_server_jobs_special }}"
file:
path: "/etc/prometheus/jobs/{{ item }}"
state: directory
- name: generate generic targets config
loop: "{{ prometheus_zone_targets }}"
loop_control:
loop_var: target
template:
src: targets/generic.yml.j2
dest: "/etc/prometheus/targets/{{ target }}.yml"
notify: reload prometheus
- name: enable targets for generic jobs
loop: "{{ hostvars | prometheus_generic_job_targets(prometheus_server_jobs_generic, prometheus_zone_targets) }}"
loop_control:
label: "{{ item.job }} -> {{ item.instance }}"
file:
src: "{{ item.enabled | ternary('/etc/prometheus/targets/' + item.instance + '.yml', omit) }}"
path: "/etc/prometheus/jobs/{{ item.job }}/{{ item.instance }}.yml"
state: "{{ item.enabled | ternary('link', 'absent') }}"
notify: reload prometheus
- name: enable targets for special jobs
loop: "{{ hostvars | prometheus_special_job_targets(prometheus_server_jobs_special, prometheus_zone_targets) }}"
loop_control:
loop_var: target
label: "{{ target.job }} -> {{ target.instance }}"
template:
src: "targets/{{ target.job }}.yml.j2"
dest: "/etc/prometheus/jobs/{{ target.job }}/{{ target.instance }}.yml"
notify: reload prometheus
- name: generate rules files for all jobs
loop: "{{ (prometheus_server_jobs_generic + prometheus_server_jobs_special) | union(['prometheus']) }}"
template:
src: rules.yml.j2
dest: "/etc/prometheus/rules/{{ item }}.yml"
validate: "promtool check rules %s"
notify: reload prometheus
- name: generate configuration file
template:
src: prometheus.yml.j2
dest: /etc/prometheus/prometheus.yml
validate: "promtool check config %s"
notify: reload prometheus
- name: generate systemd service unit
template:
src: prometheus.service.j2
dest: /etc/systemd/system/prometheus.service
notify: restart prometheus
- name: make sure prometheus is enabled and started
systemd:
name: prometheus.service
daemon_reload: yes
state: started
enabled: yes
|
