ansible/group_vars/prom/prometheus.yml

---
prometheus__alertmanager_targets:
  - docker-ovh.adm.auro.re:9093

prometheus__tsdb_retention_time: 90d

prometheus__scraping:
  node:
    targets: "{{ groups.vm_network + groups.pve_network }}"
    address:
      port: 9100
  prometheus:
    targets: "{{ groups.prom }}"
    address:
      port: 9090
  kresd:
    targets: "{{ groups.dns }}"
    address:
      port: 8453
  bird:
    targets: "{{ groups.router }}"
    address:
      port: 9324
  quanta:
    targets: "{{ groups.quanta }}"
    address: 127.0.0.1:9116
    path: /snmp
    params:
      module:
        - quanta
  snmp:
    targets: "{{ groups.prom }}"
    address:
      port: 9116

prometheus__alert_rules_prometheus:
  - alert: PrometheusTsdbCompactionFailed
    expr: "increase(prometheus_tsdb_compactions_failed_total[1m]) > 0"
    for: 0m
    labels:
      severity: critical

prometheus__alert_rules_node:
  - alert: MachineDown
    expr: "up == 0"
    for: 3m
    labels:
      severity: critical
    annotations:
      summary: "Collecteur {{ '$labels.job' | interp }}"
  - alert: OutOfMemory
    expr: "( node_memory_MemFree_bytes
             + node_memory_Cached_bytes
             + node_memory_Buffers_bytes )
           / node_memory_MemTotal_bytes * 100 < 10"
    for: 5m
    labels:
      severity: warning
    annotations:
      summary: "Mémoire libre à {{ '$value' | interp_float }}%"
  - alert: HostSwapIsFillingUp
    expr: "( 1 - ( node_memory_SwapFree_bytes
                   / node_memory_SwapTotal_bytes ) )
           * 100 >= 50"
    for: 3m
    labels:
      severity: critical
    annotations:
      summary: "Swap {{ '$value' | interp_float }}%"
  - alert: HostPhysicalComponentTooHot
    expr: "node_hwmon_temp_celsius > 79"
    for: 3m
    labels:
      severity: critical
    annotations:
      summary: "{{ '$value' | interp_float }}°C :
                {{ '$labels.chip' | interp }},
                {{ '$labels.sensor' | interp }}"
  - alert: HostNodeOvertemperatureAlarm
    expr: "node_hwmon_temp_crit_alarm_celsius == 1"
    for: 0m
    labels:
      severity: critical
    annotations:
      summary: "{{ '$labels.chip' | interp }},
                {{ '$labels.sensor' | interp }}"
  - alert: HostRaidArrayGotInactive
    expr: 'node_md_state{state="inactive"} > 0'
    for: 0m
    labels:
      severity: critical
    annotations:
      summary: "{{ '$labels.device' | interp }}"
  - alert: HostRaidDiskFailure
    expr: 'node_md_disks{state="failed"} > 0'
    for: 0m
    labels:
      severity: critical
    annotations:
      severity: "{{ '$labels.md_device' | interp }}"
  - alert: HostOomKillDetected
    expr: "increase(node_vmstat_oom_kill[1m]) > 0"
    for: 0m
    labels:
      severity: warning
    annotations:
      summary: "PID {{ '$value' | interp }}"
  - alert: HostEdacCorrectableErrorsDetected
    expr: "increase(node_edac_correctable_errors_total[1m]) > 0"
    for: 0m
    labels:
      severity: warning
    annotations:
      summary: "{{ '$value' | interp }} erreurs corrigées"
  - alert: HostEdacUncorrectableErrorsDetected
    expr: "increase(node_edac_uncorrectable_errors_total[1m]) > 0"
    for: 0m
    labels:
      severity: warning
    annotations:
      summary: "{{ '$value' | interp }} erreurs corrigées"
  - alert: OutOfDiskSpace
    expr: "( node_filesystem_free_bytes
             / node_filesystem_size_bytes * 100 < 10 )
           and on (instance, device, mountpoint)
            node_filesystem_readonly == 0"
    for: 5m
    labels:
      severity: critical
    annotations:
      summary: "{{ '$labels.mountpoint' | interp }} :
                {{ '$value' | interp_float }}% libre"
  - alert: HostConntrackLimit
    expr: "( node_nf_conntrack_entries
             / node_nf_conntrack_entries_limit ) * 100 > 80"
    for: 5m
    labels:
      severity: warning
    annotations:
      summary: "{{ '$value' | interp_float }}% complet"
  - alert: HostClockSkew
    expr: "(node_timex_offset_seconds > 0.05
           and deriv(node_timex_offset_seconds[5m]) >= 0)
           or (node_timex_offset_seconds < -0.05
           and deriv(node_timex_offset_seconds[5m]) <= 0)"
    for: 2m
    labels:
      severity: warning
  - alert: HostClockNotSynchronising
    expr: "min_over_time(node_timex_sync_status[1m]) == 0
           and node_timex_maxerror_seconds >= 16"
    for: 2m
    labels:
      severity: warning
  - alert: HostRequiresReboot
    expr: "node_reboot_required > 0"
    for: 5m
    labels:
      severity: warning
  - alert: OutOfInodes
    expr: "node_filesystem_files_free
           / node_filesystem_files * 100 < 10"
    for: 3m
    labels:
      severity: warning
    annotations:
      summary: "{{ '$labels.mountpoint' | interp }} :
                {{ '$value' | interp_float }}% libre"
  - alert: CpuUsage
    expr: '( 100 - avg by (instance)
             ( irate(node_cpu_seconds_total{mode="idle"}[5m]) ) 
             * 100 ) > 75'
    for: 10m
    labels:
      severity: warning
    annotations:
      summary: "{{ '$value' | interp_float }}%"
  - alert: SystemdServiceFailed
    expr: 'node_systemd_unit_state{state="failed"} == 1'
    for: 10m
    labels:
      severity: warning
    annotations:
      summary: "{{ '$labels.name' | interp }}"
  - alert: LoadUsage
    expr: "node_load1 > 5"
    for: 2m
    labels:
      severity: warning
    annotations:
      summary: "{{ '$value' | interp_float }}"
  - alert: UnhealthyDisk
    expr: "smartmon_device_smart_healthy < 1"
    for: 10m
    labels:
      severity: critical
    annotations:
      summary: "{{ '$labels.disk' | interp }}"
  - alert: HostCpuStealNoisyNeighbor
    expr: 'avg by(instance)
            (rate(node_cpu_seconds_total{mode="steal"}[5m]))
            * 100 > 10'
    for: 5m
    labels:
      severity: warning
    annotations:
      summary: "{{ '$labels.disk' | interp }}"

prometheus__alert_rules_keepalived:
  - alert: KeepalivedVrrpFault
    expr: 'keepalived_vrrp_state{state="fault"} > 0'
    for: 0m
    labels:
      severity: critical
    annotations:
      summary: "{{ '$labels.instance' | interp }}"
  - alert: KeepalivedMasterChange
    expr: 'changes(
             keepalived_vrrp_state
               {keepalived_vvrp_state="master"}[1m]) > 1'
    for: 0m
    labels:
      severity: warning
    annotations:
      summary: "{{ '$labels.instance' | interp }}"

prometheus__alert_rules_bird:
  - alert: BirdProtocolDown
    expr: "bird_protocol_up == 0"
    for: 0m
    labels:
      severity: critical
    annotations:
      summary: "{{ '$labels.name' | interp }} :
                {{ '$labels.state' | interp }}"

prometheus__alert_rules:
  prometheus: "{{ prometheus__alert_rules_prometheus }}"
  node: "{{ prometheus__alert_rules_node }}"
  keepalived: "{{ prometheus__alert_rules_keepalived }}"
  #bird: "{{ prometheus__alert_rules_bird }}"
...