xoxys.prometheus/defaults/main.yml

---
prometheus_version: 2.27.0
prometheus_user: "prometheus_adm"
prometheus_user_home: "/home/{{ prometheus_user }}"
prometheus_user_comment: Prometheus
prometheus_group: "{{ prometheus_user }}"
prometheus_extra_groups: []

prometheus_packages:
  - tar

prometheus_base_dir: "/opt/prometheus"
prometheus_config_dir: "{{ prometheus_base_dir }}/conf"
prometheus_rules_dir: "{{ prometheus_config_dir }}/rules"
prometheus_file_sd_dir: "{{ prometheus_config_dir }}/file_sd"
prometheus_data_dir: "{{ prometheus_base_dir }}/data"
prometheus_read_only_dirs: []

prometheus_web_bind_ip: 127.0.0.1
prometheus_web_bind_port: 61000
prometheus_web_external_url: "http://localhost:61000/"

prometheus_web_tls_enabled: False
prometheus_web_tls_cert_path: "{{ prometheus_base_dir }}/tls/certs/mycert.pem"
prometheus_web_tls_key_path: "{{ prometheus_base_dir }}/tls/private/mykey.pem"
prometheus_web_tls_cert_source: mycert.pem
prometheus_web_tls_key_source: mykey.pem

# @var prometheus_web_http_server:description: See official [documentation](https://github.com/prometheus/exporter-toolkit/blob/master/docs/web-configuration.md).
# @var prometheus_web_http_server: $ "_unset_"

# @var prometheus_web_basic_auth_users:description: See official [documentation](https://github.com/prometheus/exporter-toolkit/blob/master/docs/web-configuration.md).
# @var prometheus_web_basic_auth_users: $ "_unset_"

prometheus_log_level: error

prometheus_storage_retention: "30d"
prometheus_storage_retention_size: "0"
# @var prometheus_storage_retention_size:description: __[EXPERIMENTAL]__ Maximum number of bytes that can be stored for blocks.
# Units supported: KB, MB, GB, TB, PB.
# @end

prometheus_config_flags_extra: []
# @var prometheus_config_flags_extra:example: >
# prometheus_config_flags_extra:
#   - name: alertmanager.timeout
#     value: 10s
# @end

prometheus_alertmanager_config: []
# @var prometheus_alertmanager_config:example: >
# prometheus_alertmanager_config:
#   - scheme: https
#     path_prefix: alertmanager/
#     basic_auth:
#       username: user
#       password: pass
#     static_configs:
#       - targets: ["127.0.0.1:9093"]
#     proxy_url: "127.0.0.2"
# @end

prometheus_alert_relabel_configs: []
# @var prometheus_alert_relabel_configs:example: >
# prometheus_alert_relabel_configs:
#   - action: labeldrop
#     regex: replica

prometheus_global:
  scrape_interval: 15s
  scrape_timeout: 10s
  evaluation_interval: 15s

prometheus_remote_write: []
# @var prometheus_remote_write:example: >
# prometheus_remote_write:
#   - url: https://dev.kausal.co/prom/push
#     basic_auth:
#       password: FOO

prometheus_remote_read: []
# @var prometheus_remote_read:example: >
# prometheus_remote_read:
#   - url: https://demo.cloudalchemy.org:9201/read
#     basic_auth:
#       password: FOO
# @end

prometheus_external_labels:
  environment: "{{ ansible_fqdn | default(ansible_host) | default(inventory_hostname) }}"

prometheus_targets: []
# @var prometheus_targets:example: >
# prometheus_targets:
#  - name: node
#    config:
#      - targets:
#          - localhost:9100
#        labels:
#          env: test
# @end

prometheus_scrape_configs:
  - job_name: "prometheus"
    metrics_path: "{{ prometheus_web_external_url | urlsplit('path') if (prometheus_web_external_url | urlsplit('path')) | length > 1 else '' }}/metrics"
    static_configs:
      - targets:
          - "{{ ansible_fqdn | default(ansible_host) | default('localhost') }}:61000"

prometheus_alert_rules_files:
  - prometheus/rules/*.rules

prometheus_static_targets_files:
  - prometheus/targets/*.yml
  - prometheus/targets/*.json

prometheus_alert_rules:
  - alert: Watchdog
    expr: vector(1)
    for: 10m
    labels:
      severity: warning
    annotations:
      description: >-
        This is an alert meant to ensure that the entire alerting pipeline is functional.
        This alert is always firing. There are integrations with various notification
        mechanisms that send a notification when this alert is not firing anymore.
      summary: "Ensure entire alerting pipeline is functional"
  - alert: InstanceDown
    expr: "up == 0"
    for: 5m
    labels:
      severity: critical
    annotations:
      description: "{% raw %}{{ $labels.instance }} of job {{ $labels.job }} has been down for more than 5 minutes.{% endraw %}"
      summary: "{% raw %}Instance {{ $labels.instance }} down{% endraw %}"

prometheus_alert_rules_extra: []