# DO NOT EDIT - This file is being maintained by Chef

groups:
  - name: alertmanager
    rules:
      - alert: prometheus target missing
        expr: up == 0
        for: 5m
        labels:
          alertgroup: "prometheus"
  - name: apache
    rules:
      - alert: apache down
        expr: apache_up == 0
        for: 5m
        labels:
          alertgroup: "{{ $labels.instance }}"
      - alert: apache workers busy
        expr: sum(apache_workers{state="busy"}) by (instance) / sum(apache_scoreboard) by (instance) > 0.8
        for: 5m
        labels:
          alertgroup: "{{ $labels.instance }}"
        annotations:
          busy_workers: "{{ $value | humanizePercentage }}"
  - name: cpu
    rules:
      - alert: cpu pressure
        expr: rate(node_pressure_cpu_waiting_seconds_total[5m]) > 0.3
        for: 15m
        labels:
          alertgroup: "{{ $labels.instance }}"
        annotations:
          pressure: "{{ $value | humanizePercentage }}"
  - name: database
    rules:
      - alert: postgres replication delay
        expr: pg_replication_lag_seconds > 5
        for: 5m
        labels:
          alertgroup: database
        annotations:
          delay: "{{ $value | humanizeDuration }}"
  - name: fastly
    rules:
      - alert: error rate
        expr: sum(rate(fastly_rt_status_group_total{status_group="5xx"}[5m])) by (service_name, datacenter) / sum(rate(fastly_rt_status_group_total[5m])) by (service_name, datacenter) > 0.005
        for: 15m
        labels:
          alertgroup: fastly
        annotations:
          error_rate: "{{ $value | humanizePercentage }}"
  - name: filesystem
    rules:
      - alert: readonly filesystem
        expr: node_filesystem_readonly == 1
        for: 0m
        labels:
          alertgroup: "{{ $labels.instance }}"
      - alert: filesystem low on space
        expr: node_filesystem_avail_bytes / node_filesystem_size_bytes < 0.05
        for: 5m
        labels:
          alertgroup: "{{ $labels.instance }}"
        annotations:
          percentage_free: "{{ $value | humanizePercentage }}"
          free_bytes: "{{ with printf \"node_filesystem_avail_bytes{instance='%s',mountpoint='%s'}\" $labels.instance $labels.mountpoint | query }}{{ . | first | value | humanize1024 }}bytes{{end}}"
          total_total: "{{ with printf \"node_filesystem_size_bytes{instance='%s',mountpoint='%s'}\" $labels.instance $labels.mountpoint | query }}{{ . | first | value | humanize1024 }}bytes{{end}}"
      - alert: filesystem low on inodes
        expr: node_filesystem_files_free / node_filesystem_files < 0.1
        for: 5m
        labels:
          alertgroup: "{{ $labels.instance }}"
        annotations:
          percentage_free: "{{ $value | humanizePercentage }}"
          free_inodes: "{{ with printf \"node_filesystem_files_free{instance='%s',mountpoint='%s'}\" $labels.instance $labels.mountpoint | query }}{{ . | first | value }}{{end}}"
          total_inodes: "{{ with printf \"node_filesystem_files{instance='%s',mountpoint='%s'}\" $labels.instance $labels.mountpoint | query }}{{ . | first | value }}{{end}}"
  - name: hwmon
    rules:
      - alert: hwmon fan alarm
        expr: node_hwmon_fan_alarm == 1
        for: 5m
        labels:
          alertgroup: "{{ $labels.instance }}"
        annotations:
          fan_rpm: "{{ with printf \"node_hwmon_fan_rpm{instance='%s',chip='%s',sensor='%s'}\" $labels.instance $labels.chip $labels.sensor | query }}{{ . | first | value | humanize }}rpm{{end}}"
          fan_min_rpm: "{{ with printf \"node_hwmon_fan_min_rpm{instance='%s',chip='%s',sensor='%s'}\" $labels.instance $labels.chip $labels.sensor | query }}{{ . | first | value | humanize }}rpm{{end}}"
      - alert: hwmon temperature alarm
        expr: node_hwmon_temp_alarm == 1
        for: 5m
        labels:
          alertgroup: "{{ $labels.instance }}"
        annotations:
          temp_celsius: "{{ with printf \"node_hwmon_temp_celsius{instance='%s',chip='%s',sensor='%s'}\" $labels.instance $labels.chip $labels.sensor | query }}{{ . | first | value | humanize }}C{{end}}"
          temp_max_celsius: "{{ with printf \"node_hwmon_temp_max_celsius{instance='%s',chip='%s',sensor='%s'}\" $labels.instance $labels.chip $labels.sensor | query }}{{ . | first | value | humanize }}C{{end}}"
          temp_crit_celsius: "{{ with printf \"node_hwmon_temp_crit_celsius{instance='%s',chip='%s',sensor='%s'}\" $labels.instance $labels.chip $labels.sensor | query }}{{ . | first | value | humanize }}C{{end}}"
      - alert: hwmon voltage alarm
        expr: node_hwmon_in_alarm == 1
        for: 5m
        labels:
          alertgroup: "{{ $labels.instance }}"
        annotations:
          in_volts: "{{ with printf \"node_hwmon_in_volts{instance='%s',chip='%s',sensor='%s'}\" $labels.instance $labels.chip $labels.sensor | query }}{{ . | first | value | humanize }}V{{end}}"
          in_min_volts: "{{ with printf \"node_hwmon_in_min_volts{instance='%s',chip='%s',sensor='%s'}\" $labels.instance $labels.chip $labels.sensor | query }}{{ . | first | value | humanize }}V{{end}}"
          in_max_volts: "{{ with printf \"node_hwmon_in_max_volts{instance='%s',chip='%s',sensor='%s'}\" $labels.instance $labels.chip $labels.sensor | query }}{{ . | first | value | humanize }}V{{end}}"
  - name: io
    rules:
      - alert: io pressure
        expr: rate(node_pressure_io_waiting_seconds_total[5m]) > 0.6
        for: 60m
        labels:
          alertgroup: "{{ $labels.instance }}"
        annotations:
          pressure: "{{ $value | humanizePercentage }}"
  - name: ipmi
    rules:
      - alert: ipmi fan alarm
        expr: ipmi_fan_speed_state > 0
        for: 5m
        labels:
          alertgroup: "{{ $labels.instance }}"
        annotations:
          fan_speed_rpm: "{{ with printf \"ipmi_fan_speed_rpm{instance='%s',id='%s'}\" $labels.instance $labels.id | query }}{{ . | first | value | humanize }}rpm{{end}}"
      - alert: ipmi temperature alarm
        expr: ipmi_temperature_state > 0
        for: 5m
        labels:
          alertgroup: "{{ $labels.instance }}"
        annotations:
          temperature_celsius: "{{ with printf \"ipmi_temperature_celsius{instance='%s',id='%s'}\" $labels.instance $labels.id | query }}{{ . | first | value | humanize }}C{{end}}"
      - alert: ipmi voltage alarm
        expr: ipmi_voltage_state > 0
        for: 5m
        labels:
          alertgroup: "{{ $labels.instance }}"
        annotations:
          voltage_volts: "{{ with printf \"ipmi_voltage_volts{instance='%s',id='%s'}\" $labels.instance $labels.id | query }}{{ . | first | value | humanize }}V{{end}}"
      - alert: ipmi power alarm
        expr: ipmi_power_state > 0 or ipmi_sensor_state{type=~"Power .*"} > 0
        for: 5m
        labels:
          alertgroup: "{{ $labels.instance }}"
  - name: mail
    rules:
      - alert: exim queue length
        expr: exim_queue > exim_queue_limit
        for: 60m
        labels:
          alertgroup: mail
        annotations:
          queue_length: "{{ $value }}"
      - alert: mailman queue length
        expr: mailman_queue_length > 200
        for: 60m
        labels:
          alertgroup: mail
        annotations:
          queue_length: "{{ $value }}"
  - name: mdadm
    rules:
      - alert: mdadm array inactive
        expr: node_md_state{state="inactive"} > 0
        for: 0m
        labels:
          alertgroup: "{{ $labels.instance }}"
        annotations:
          required: "{{ with printf \"node_md_disks_required{instance='%s',device='%s'}\" $labels.instance $labels.device | query }}{{ . | first | value | humanize }} disks{{end}}"
          active: "{{ with printf \"node_md_disks{instance='%s',device='%s',state='active'}\" $labels.instance $labels.device | query }}{{ . | first | value | humanize }} disks{{end}}"
          failed: "{{ with printf \"node_md_disks{instance='%s',device='%s',state='failed'}\" $labels.instance $labels.device | query }}{{ . | first | value | humanize }} disks{{end}}"
          spare: "{{ with printf \"node_md_disks{instance='%s',device='%s',state='spare'}\" $labels.instance $labels.device | query }}{{ . | first | value | humanize }} disks{{end}}"
      - alert: mdadm array degraded
        expr: sum (node_md_disks{state="active"}) without (state) < node_md_disks_required
        for: 0m
        labels:
          alertgroup: "{{ $labels.instance }}"
        annotations:
          required: "{{ with printf \"node_md_disks_required{instance='%s',device='%s'}\" $labels.instance $labels.device | query }}{{ . | first | value | humanize }} disks{{end}}"
          active: "{{ with printf \"node_md_disks{instance='%s',device='%s',state='active'}\" $labels.instance $labels.device | query }}{{ . | first | value | humanize }} disks{{end}}"
          failed: "{{ with printf \"node_md_disks{instance='%s',device='%s',state='failed'}\" $labels.instance $labels.device | query }}{{ . | first | value | humanize }} disks{{end}}"
          spare: "{{ with printf \"node_md_disks{instance='%s',device='%s',state='spare'}\" $labels.instance $labels.device | query }}{{ . | first | value | humanize }} disks{{end}}"
      - alert: mdadm disk failed
        expr: node_md_disks{state="failed"} > 0
        for: 0m
        labels:
          alertgroup: "{{ $labels.instance }}"
        annotations:
          required: "{{ with printf \"node_md_disks_required{instance='%s',device='%s'}\" $labels.instance $labels.device | query }}{{ . | first | value | humanize }} disks{{end}}"
          active: "{{ with printf \"node_md_disks{instance='%s',device='%s',state='active'}\" $labels.instance $labels.device | query }}{{ . | first | value | humanize }} disks{{end}}"
          failed: "{{ with printf \"node_md_disks{instance='%s',device='%s',state='failed'}\" $labels.instance $labels.device | query }}{{ . | first | value | humanize }} disks{{end}}"
          spare: "{{ with printf \"node_md_disks{instance='%s',device='%s',state='spare'}\" $labels.instance $labels.device | query }}{{ . | first | value | humanize }} disks{{end}}"
  - name: memory
    rules:
      - alert: low memory
        expr: node_memory_MemAvailable_bytes / node_memory_MemTotal_bytes < 0.1
        for: 15m
        labels:
          alertgroup: "{{ $labels.instance }}"
        annotations:
          memory_free: "{{ $value | humanizePercentage }}"
      - alert: memory pressure
        expr: rate(node_pressure_memory_waiting_seconds_total[5m]) > 0.6
        for: 60m
        labels:
          alertgroup: "{{ $labels.instance }}"
        annotations:
          pressure: "{{ $value | humanizePercentage }}"
      - alert: oom kill detected
        expr: increase(node_vmstat_oom_kill[1m]) > 0
        for: 0m
        labels:
          alertgroup: "{{ $labels.instance }}"
        annotations:
          new_oom_kills: "{{ $value }}"
  - name: network
    rules:
      - alert: interface transmit rate
        expr: rate(node_network_transmit_bytes_total[1m]) / node_network_speed_bytes > 0.98
        for: 5m
        labels:
          alertgroup: "{{ $labels.instance }}"
        annotations:
          bandwidth_used: "{{ $value | humanizePercentage }}"
      - alert: interface receive rate
        expr: rate(node_network_receive_bytes_total[1m]) / node_network_speed_bytes > 0.98
        for: 5m
        labels:
          alertgroup: "{{ $labels.instance }}"
        annotations:
          bandwidth_used: "{{ $value | humanizePercentage }}"
      - alert: interface transmit errors
        expr: rate(node_network_transmit_errs_total[1m]) / rate(node_network_transmit_packets_total[1m]) > 0.01
        for: 5m
        labels:
          alertgroup: "{{ $labels.instance }}"
        annotations:
          error_rate: "{{ $value | humanizePercentage }}"
      - alert: interface receive errors
        expr: rate(node_network_receive_errs_total[1m]) / rate(node_network_receive_packets_total[1m]) > 0.01
        for: 5m
        labels:
          alertgroup: "{{ $labels.instance }}"
        annotations:
          error_rate: "{{ $value | humanizePercentage }}"
      - alert: conntrack entries
        expr: node_nf_conntrack_entries / node_nf_conntrack_entries_limit > 0.8
        for: 5m
        labels:
          alertgroup: "{{ $labels.instance }}"
        annotations:
          entries_used: "{{ $value | humanizePercentage }}"
  - name: planet
    rules:
      - alert: planet dump overdue
        expr: time() - file_stat_modif_time_seconds{path=~"/store/planet/(pbf|planet)/.*"} > 7 * 86400 and ignoring (job, name, path) chef_role{name="planetdump"} == 1
        for: 24h
        labels:
          alertgroup: planet
        annotations:
          overdue_by: "{{ $value | humanizeDuration }}"
      - alert: notes dump overdue
        expr: time() - file_stat_modif_time_seconds{path=~"/store/planet/notes/.*"} > 86400 and ignoring (job, name, path) chef_role{name="planetdump"} == 1
        for: 6h
        labels:
          alertgroup: planet
        annotations:
          overdue_by: "{{ $value | humanizeDuration }}"
      - alert: daily replication feed delayed
        expr: time() - file_stat_modif_time_seconds{path=~"/store/planet/replication/day/.*"} > 86400 and ignoring (job, name, path) chef_role{name="planetdump"} == 1
        for: 3h
        labels:
          alertgroup: planet
        annotations:
          delayed_by: "{{ $value | humanizeDuration }}"
      - alert: hourly replication feed delayed
        expr: time() - file_stat_modif_time_seconds{path=~"/store/planet/replication/hour/.*"} > 3600 and ignoring (job, name, path) chef_role{name="planetdump"} == 1
        for: 30m
        labels:
          alertgroup: planet
        annotations:
          delayed_by: "{{ $value | humanizeDuration }}"
      - alert: minutely replication feed delayed
        expr: time() - file_stat_modif_time_seconds{path=~"/store/planet/replication/minute/.*"} > 60 and ignoring (job, name, path) chef_role{name="planetdump"} == 1
        for: 5m
        labels:
          alertgroup: planet
        annotations:
          delayed_by: "{{ $value | humanizeDuration }}"
      - alert: changeset replication feed delayed
        expr: time() - file_stat_modif_time_seconds{path=~"/store/planet/replication/changesets/.*"} > 60 and ignoring (job, name, path) chef_role{name="planetdump"} == 1
        for: 5m
        labels:
          alertgroup: planet
        annotations:
          delayed_by: "{{ $value | humanizeDuration }}"
  - name: postgresql
    rules:
      - alert: postgresql down
        expr: pg_up == 0
        for: 1m
        labels:
          alertgroup: "{{ $labels.instance }}"
      - alert: postgresql replication delay
        expr: pg_replication_lag_seconds > 5
        for: 1m
        labels:
          alertgroup: "{{ $labels.instance }}"
        annotations:
          delay: "{{ $value | humanizeDuration }}"
      - alert: postgresql connection limit
        expr: sum (pg_stat_activity_count) by (instance, server) / sum (pg_settings_max_connections) by (instance, server) > 0.8
        for: 1m
        labels:
          alertgroup: "{{ $labels.instance }}"
        annotations:
          connections_used: "{{ $value | humanizePercentage }}"
      - alert: postgresql deadlocks
        expr: increase(pg_stat_database_deadlocks[1m]) > 5
        for: 0m
        labels:
          alertgroup: "{{ $labels.instance }}"
        annotations:
          new_deadlocks: "{{ $value }}"
      - alert: postgresql slow queries
        expr: pg_slow_queries > 0
        for: 5m
        labels:
          alertgroup: "{{ $labels.instance }}"
        annotations:
          queries: "{{ $value }}"
  - name: smart
    rules:
      - alert: smart failure
        expr: smart_health_status == 0
        for: 60m
        labels:
          alertgroup: "{{ $labels.instance }}"
      - alert: smart ssd wearout approaching
        expr: smart_percentage_used >= 90
        for: 60m
        labels:
          alertgroup: "{{ $labels.instance }}"
        annotations:
          percentage_used: "{{ $value | humanizePercentage }}"
  - name: ssl
    rules:
      - alert: ssl certificate probe failed
        expr: ssl_probe_success == 0
        for: 60m
        labels:
          alertgroup: ssl
      - alert: ssl certificate expiry
        expr: ssl_verified_cert_not_after{chain_no="0"} - time() < 86400 * 14
        for: 0m
        labels:
          alertgroup: ssl
        annotations:
          expires_in: "{{ $value | humanizeDuration }}"
      - alert: ssl certificate revoked
        expr: ssl_ocsp_response_status == 1
        for: 0m
        labels:
          alertgroup: ssl
      - alert: ocsp status unknown
        expr: ssl_ocsp_response_status == 1
        for: 0m
        labels:
          alertgroup: ssl
  - name: systemd
    rules:
      - alert: systemd failed service
        expr: node_systemd_unit_state{state="failed"} == 1
        for: 5m
        labels:
          alertgroup: "{{ $labels.instance }}"
  - name: tile
    rules:
      - alert: renderd replication delay
        expr: renderd_replication_delay > 120
        for: 5m
        labels:
          alertgroup: tile
        annotations:
          delay: "{{ $value | humanizeDuration }}"
      - alert: missed tile rate
        expr: sum(rate(modtile_http_response_total{code="404"}[5m])) by (instance) / sum(rate(modtile_http_response_total[5m])) by (instance) > 0.05
        for: 5m
        labels:
          alertgroup: tile
        annotations:
          miss_rate: "{{ $value | humanizePercentage }}"
  - name: time
    rules:
      - alert: clock not synchronising
        expr: min_over_time(node_timex_sync_status[1m]) == 0 and node_timex_maxerror_seconds >= 16
        for: 5m
        labels:
          alertgroup: "{{ $labels.instance }}"
      - alert: clock skew detected
        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: 5m
        labels:
          alertgroup: "{{ $labels.instance }}"
        annotations:
          skew: "{{ with printf \"node_timex_offset_seconds{instance='%s'}\" $labels.instance | query }} {{ . | humanizeDuration }}{{ end }}"
  - name: web
    rules:
      - alert: web error rate
        expr: sum(rate(api_call_count_total{status=~"50[0-8]|5[1-9][0-9]"}[5m])) by (instance) / sum(rate(api_call_count_total[5m])) by (instance) > 0.002
        for: 5m
        labels:
          alertgroup: web
        annotations:
          error_rate: "{{ $value | humanizePercentage }}"