groups:
- name: default alert
  rules:
  - alert: DiskUsage
    expr: >-
      sum(collectd_df_df_complex{type!="free"}) by (instance, df) / sum(collectd_df_df_complex{df!="var-log", df!="var-lib-frigate"}) by (instance, df) > .75
      or sum(collectd_df_df_complex{type!="free"}) by (instance, df) / sum(collectd_df_df_complex{df="var-log"}) by (instance, df) > .95
      or sum(collectd_df_df_complex{type!="free"}) by (instance, df) / sum(collectd_df_df_complex{df="var-lib-frigate"}) by (instance, df) > .95
    for: 2h
  - alert: TheWebsiteIsDown
    expr: >-
      probe_success{job="websites"} == 0
    for: 10m
  - alert: Missing Metrics
    expr: >-
      up{instance!~"vmhost.*"} == 0
    for: 10m
  - alert: NUT is offline
    expr: >-
      absent(collectd_nut_percent)
    for: 10m

- name: Bitwarden
  rules:
  - alert: vaultwarden is not running
    expr: >-
      collectd_processes_ps_count_processes{processes="vaultwarden"} < 1
    for: 5m

- name: Active Directory
  rules:
  - alert: samba is not running
    expr: >-
      collectd_processes_ps_count_processes{processes=~"samba|smbd|winbindd|krb5kdc"} < 1
    for: 5m

- name: mdraid
  rules:
  - alert: mdraid missing disk
    expr: collectd_md_md_disks{type="missing", instance!~"burp.*"} != 0
  - alert: mdraid failed disk
    expr: collectd_md_md_disks{type="failed"} != 0

- name: certificates
  rules:
  - alert: certificate will expire soon
    expr:
      probe_ssl_last_chain_expiry_timestamp_seconds - time() < 29 * 86400
    annotations:
      summary: A certificate will expire in less than 29 days
      description: >-
        Generally, certificates are renewed automatically, approximately 30
        days before their expiration (NotAfter) date.  There may be a problem
        with the certificate renewal process that prevented this certificate
        from being renewed.
  - alert: certificate will expire very soon
    expr:
      probe_ssl_last_chain_expiry_timestamp_seconds - time() < 14 * 86400
    annotations:
      summary: A certificate will expire in less than 14 days
      description: >-
        Generally, certificates are renewed automatically, approximately 30
        days before their expiration (NotAfter) date.  There is most likely a
        problem with the certificate renewal process that prevented this
        certificate from being renewed.

- name: Frigate
  rules:
  - alert: Frigate is Unavailable
    expr:
      homeassistant_entity_available{entity=~".*frigate_(server|status)"} != 1
    for: 10m
  - alert: Camera unavailable
    expr:
      homeassistant_entity_available{domain="camera"} != 1
    for: 10m

- name: Sensors
  rules:
  - alert: Battery Low
    expr:
      homeassistant_sensor_battery_percent{entity!~"sensor\\.(pixel_|sm_p610).*"} < 10

- name: PostgreSQL
  rules:
  - alert: Replica lag too high
    expr:
      (patroni_xlog_location != 0)
      - ignoring (instance) group_right (scope) (patroni_xlog_replayed_location != 0)
      > 10240
    for: 10m

- name: Temperature
  rules:
  - alert: High Temperature
    expr: >-
      {__name__=~"collectd_.*_temperature", sensors!~"i350bb.*"} > 80
    for: 10m

- name: Longhorn
  rules:
  - alert: Degraded Volumes
    expr: >-
      count(longhorn_volume_robustness==2) > 0
    for: 1h
  - alert: Faulted Volumes
    expr: >-
      count(longhorn_volume_robustness==3) > 0
    for: 5m