# DO NOT EDIT - This file is being maintained by Chef
groups:
- - name: alertmanager
+ - name: amsterdam
rules:
- - alert: prometheus target missing
- expr: up == 0
+ - alert: pdu current draw
+ expr: rPDU2PhaseStatusCurrent{site="amsterdam",rPDU2PhaseStatusIndex="1"} / 10 > 10
for: 5m
labels:
- alertgroup: "prometheus"
+ alertgroup: "amsterdam"
+ annotations:
+ current: "{{ $value | humanize }}A"
+ - alert: site current draw
+ expr: sum(rPDU2PhaseStatusCurrent{site="amsterdam",rPDU2PhaseStatusIndex="1"} / 10) > 13
+ for: 5m
+ labels:
+ alertgroup: "amsterdam"
+ annotations:
+ current: "{{ $value | humanize }}A"
+ - alert: site temperature
+ expr: min(rPDU2SensorTempHumidityStatusTempC{site="amsterdam"}) / 10 < 18 or min(rPDU2SensorTempHumidityStatusTempC{site="amsterdam"}) / 10 > 25
+ for: 5m
+ labels:
+ alertgroup: "amsterdam"
+ annotations:
+ temperature: "{{ $value | humanize }}C"
+ - alert: site humidity
+ expr: max(rPDU2SensorTempHumidityStatusRelativeHumidity{site="amsterdam"}) / 100 < 0.25 or max(rPDU2SensorTempHumidityStatusRelativeHumidity{site="amsterdam"}) / 100 > 0.65
+ for: 5m
+ labels:
+ alertgroup: "amsterdam"
+ annotations:
+ humidity: "{{ $value | humanizePercentage }}"
+ - 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 }}"
+ - alert: apache low request rate
+ expr: rate(apache_accesses_total[5m]) / rate(apache_accesses_total[1h] offset 1w) < 0.25 and rate(apache_accesses_total[1h] offset 1w) > 2
+ for: 15m
+ labels:
+ alertgroup: "{{ $labels.instance }}"
+ annotations:
+ request_rate: "{{ $value | humanizePercentage }}"
+ - name: chef
+ rules:
+ - alert: chef client not running
+ expr: time() - node_systemd_timer_last_trigger_seconds{name="chef-client.timer"} > 3600
+ for: 12h
+ labels:
+ alertgroup: "{{ $labels.instance }}"
+ annotations:
+ down_time: "{{ $value | humanizeDuration }}"
+ - name: cisco
+ rules:
+ - alert: cisco fan alarm
+ expr: rlPhdUnitEnvParamFan1Status{rlPhdUnitEnvParamFan1Status!="normal"} > 0 or rlPhdUnitEnvParamFan2Status{rlPhdUnitEnvParamFan2Status!="normal"} > 0
+ for: 5m
+ labels:
+ alertgroup: "{{ $labels.site }}"
+ annotations:
+ fan_rpm: "{{ with printf \"rlPhdUnitEnvParamFan1Speed{site='%s',instance='%s',rlPhdUnitEnvParamStackUnit='%s'}\" $labels.site $labels.instance $labels.rlPhdUnitEnvParamStackUnit | query }}{{ . | first | value | humanize }}rpm{{end}}"
+ - alert: cisco temperature alarm
+ expr: rlPhdUnitEnvParamTempSensorStatus{rlPhdUnitEnvParamTempSensorStatus!="ok"} > 0
+ for: 5m
+ labels:
+ alertgroup: "{{ $labels.site }}"
+ annotations:
+ temp_celsius: "{{ with printf \"rlPhdUnitEnvParamTempSensorValue{site='%s',instance='%s',rlPhdUnitEnvParamStackUnit='%s'}\" $labels.site $labels.instance $labels.rlPhdUnitEnvParamStackUnit | query }}{{ . | first | value | humanize }}C{{end}}"
+ - alert: cisco main power alarm
+ expr: rlPhdUnitEnvParamMainPSStatus{rlPhdUnitEnvParamMainPSStatus!="normal"} > 0
+ for: 5m
+ labels:
+ alertgroup: "{{ $labels.site }}"
+ - alert: cisco redundant power alarm
+ expr: rlPhdUnitEnvParamRedundantPSStatus{rlPhdUnitEnvParamRedundantPSStatus!="normal"} > 0
+ for: 5m
+ labels:
+ alertgroup: "{{ $labels.site }}"
+ - name: cpu
+ rules:
+ - alert: cpu pressure
+ expr: rate(node_pressure_cpu_waiting_seconds_total[5m]) > 0.6
+ 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: dublin
+ rules:
+ - alert: pdu current draw
+ expr: rPDU2PhaseStatusCurrent{site="dublin",rPDU2PhaseStatusIndex="1"} / 10 > 13
+ for: 5m
+ labels:
+ alertgroup: "dublin"
+ annotations:
+ current: "{{ $value | humanize }}A"
+ - alert: site current draw
+ expr: sum(rPDU2PhaseStatusCurrent{site="dublin",rPDU2PhaseStatusIndex="1"} / 10) > 17
+ for: 5m
+ labels:
+ alertgroup: "dublin"
+ annotations:
+ current: "{{ $value | humanize }}A"
+ - alert: site temperature
+ expr: min(rPDU2SensorTempHumidityStatusTempC{site="dublin"}) / 10 < 18 or min(rPDU2SensorTempHumidityStatusTempC{site="dublin"}) / 10 > 25
+ for: 5m
+ labels:
+ alertgroup: "dublin"
+ annotations:
+ temperature: "{{ $value | humanize }}C"
+ - alert: site humidity
+ expr: max(rPDU2SensorTempHumidityStatusRelativeHumidity{site="dublin"}) / 100 < 0.25 or max(rPDU2SensorTempHumidityStatusRelativeHumidity{site="dublin"}) / 100 > 0.65
+ for: 5m
+ labels:
+ alertgroup: "dublin"
+ annotations:
+ humidity: "{{ $value | humanizePercentage }}"
+ - name: fastly
+ rules:
+ - alert: fastly 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 }}"
+ - alert: fastly healthcheck failing
+ expr: count(fastly_healthcheck_status == 0) by (service) > 0
+ for: 15m
+ labels:
+ alertgroup: fastly
+ - alert: multiple fastly healthchecks failing
+ expr: count(fastly_healthcheck_status == 0) by (service) > 4
+ for: 5m
+ labels:
+ alertgroup: fastly
+ - 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
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
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: juniper
+ rules:
+ - alert: juniper cpu alarm
+ expr: jnxOperatingCPU{jnxOperatingContentsIndex="7"} > 30
+ for: 5m
+ labels:
+ alertgroup: "{{ $labels.site }}"
+ - alert: juniper fan alarm
+ expr: jnxOperatingState{jnxOperatingContentsIndex="4",jnxOperatingState!~"running.*"} > 0
+ for: 5m
+ labels:
+ alertgroup: "{{ $labels.site }}"
+ - alert: juniper power alarm
+ expr: jnxOperatingState{jnxOperatingContentsIndex="2",jnxOperatingState!~"running.*"} > 0
+ for: 5m
+ labels:
+ alertgroup: "{{ $labels.site }}"
+ - 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
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
- name: memory
rules:
- alert: low memory
- expr: node_memory_MemAvailable_bytes / node_memory_MemTotal_bytes * 100 < 10
- for: 5m
+ expr: node_memory_MemAvailable_bytes / node_memory_MemTotal_bytes < 0.1
+ for: 15m
labels:
alertgroup: "{{ $labels.instance }}"
annotations:
- memory_free: "{{ $value }}%"
+ memory_free: "{{ $value | humanizePercentage }}"
- alert: memory pressure
- expr: rate(node_vmstat_pgmajfault[1m]) > 1000
- for: 5m
+ expr: rate(node_pressure_memory_waiting_seconds_total[5m]) > 0.6
+ for: 60m
labels:
alertgroup: "{{ $labels.instance }}"
annotations:
- major_page_faults: "{{ $value }} faults/s"
+ pressure: "{{ $value | humanizePercentage }}"
- alert: oom kill detected
expr: increase(node_vmstat_oom_kill[1m]) > 0
for: 0m
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{device!~"wg.*"}[1m]) / rate(node_network_transmit_packets_total{device!~"wg.*"}[1m]) > 0.01
+ for: 5m
+ labels:
+ alertgroup: "{{ $labels.instance }}"
+ annotations:
+ error_rate: "{{ $value | humanizePercentage }}"
+ - alert: wireguard interface transmit errors
+ expr: rate(node_network_transmit_errs_total{device=~"wg.*"}[1m]) / rate(node_network_transmit_packets_total{device=~"wg.*"}[1m]) > 0.05
+ for: 1h
+ 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: nominatim
+ rules:
+ - alert: nominatim replication delay
+ expr: nominatim_replication_delay > 10800
+ for: 1h
+ labels:
+ alertgroup: nominatim
+ annotations:
+ delay: "{{ $value | humanizeDuration }}"
+ - name: overpass
+ rules:
+ - alert: overpass osm database age
+ expr: overpass_database_age_seconds{database="osm"} > 3600
+ for: 1h
+ labels:
+ alertgroup: overpass
+ annotations:
+ age: "{{ $value | humanizeDuration }}"
+ - alert: overpass area database age
+ expr: overpass_database_age_seconds{database="area"} > 86400
+ for: 1h
+ labels:
+ alertgroup: overpass
+ annotations:
+ age: "{{ $value | humanizeDuration }}"
+ - name: passenger
+ rules:
+ - alert: passenger down
+ expr: passenger_up == 0
+ for: 5m
+ labels:
+ alertgroup: "{{ $labels.instance }}"
+ - alert: passenger queuing
+ expr: passenger_top_level_request_queue > 0
+ for: 5m
+ labels:
+ alertgroup: "{{ $labels.instance }}"
+ - alert: passenger application queuing
+ expr: passenger_app_request_queue > 0
+ for: 5m
+ labels:
+ alertgroup: "{{ $labels.instance }}"
+ - 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{datname!="nominatim"}[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: prometheus
+ rules:
+ - alert: prometheus configuration error
+ expr: prometheus_config_last_reload_successful == 0
+ for: 10m
+ labels:
+ alertgroup: "prometheus"
+ - alert: prometheus target missing
+ expr: up == 0
+ for: 10m
+ labels:
+ alertgroup: "prometheus"
+ - name: raid
+ rules:
+ - alert: raid array degraded
+ expr: ohai_array_info{status="degraded"} > 0
+ for: 5m
+ labels:
+ alertgroup: "{{ $labels.instance }}"
+ - alert: raid disk failed
+ expr: ohai_disk_info{status="failed"} > 0
+ for: 5m
+ labels:
+ alertgroup: "{{ $labels.instance }}"
+ - name: rasdaemon
+ rules:
+ - alert: memory controller errors
+ expr: increase(rasdaemon_mc_events_total[1m]) > 0
+ for: 0m
+ labels:
+ alertgroup: "{{ $labels.instance }}"
+ annotations:
+ new_errors: "{{ $value }}"
+ - alert: pcie aer errors
+ expr: increase(rasdaemon_aer_events_total[1m]) > 0
+ for: 0m
+ labels:
+ alertgroup: "{{ $labels.instance }}"
+ annotations:
+ new_ercrors: "{{ $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 >= 80
+ 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: statuscake
+ rules:
+ - alert: statuscake uptime check failing
+ expr: statuscake_uptime{status="down",paused="false"} > 0
+ for: 10m
+ labels:
+ alertgroup: statuscake
+ - name: systemd
+ rules:
+ - alert: systemd failed service
+ expr: node_systemd_unit_state{state="failed",name!="chef-client.service"} == 1
+ for: 5m
+ labels:
+ alertgroup: "{{ $labels.instance }}"
+ - alert: systemd failed chef client service
+ expr: node_systemd_unit_state{state="failed",name="chef-client.service"} == 1
+ for: 6h
+ labels:
+ alertgroup: "{{ $labels.instance }}"
+ - name: tile
+ rules:
+ - alert: renderd replication delay
+ expr: renderd_replication_delay > 120
+ for: 15m
+ 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 }}"
+ - alert: job processing rate
+ expr: rate(pg_stat_user_tables_n_tup_del{datname="openstreetmap",relname="delayed_jobs"}[5m]) / rate(pg_stat_user_tables_n_tup_ins{datname="openstreetmap",relname="delayed_jobs"}[5m]) < 0.9 and ignoring(job, name, datname, relname, schemaname, server) chef_role{name="db-master"} == 1
+ for: 15m
+ labels:
+ alertgroup: web
+ annotations:
+ job_processing_rate: "{{ $value | humanizePercentage }}"