{% from "nova/map.jinja" import controller, compute, monitoring with context %}

{%- set is_controller = controller.get('enabled', False) %}
{%- set is_compute = compute.get('enabled', False) %}

{%- if is_controller or is_compute %}
{%- if is_compute and exporters is defined and compute.get('compute_driver', 'libvirt.LibvirtDriver') == 'libvirt.LibvirtDriver' %}
{%- set packages = exporters.get('libvirt', {}).get('packages', ('libvirt-exporter', )) %}
  {%- load_yaml as new_exporters_cfg %}
exporters:
  libvirt:
    enabled: true
{%- if packages is defined %}
    packages:
    {% for pkg in packages %}
    - {{ pkg }}
    {% endfor %}
{%- endif %}
    services:
      qemu:
        enabled: true
        bind:
          address: 0.0.0.0
          port: 9177
  {%- endload %}
{{ new_exporters_cfg|yaml(False) }}
{%- endif %}

server:
  alert:
{%- if is_controller %}
{%- set minor_threshold = monitoring.services_failed_warning_threshold_percent|float %}
{%- set major_threshold = monitoring.services_failed_critical_threshold_percent|float %}
{%- set minor_compute_threshold = monitoring.computes_failed_warning_threshold_percent|float %}
{%- set major_compute_threshold = monitoring.computes_failed_critical_threshold_percent|float %}
{%- set major_endpoint_threshold = monitoring.endpoint_failed_major_threshold|float %}
{% raw %}
    NovaApiOutage:
      if: >-
        max(openstack_api_check_status{name=~"nova.*|placement"}) == 0
      labels:
        severity: critical
        service: nova
      annotations:
        summary: "Nova API outage"
        description: >-
          Nova API is not accessible for all available Nova endpoints in the OpenStack service catalog.
    NovaApiDown:
      if: >-
        openstack_api_check_status{name=~"nova.*|placement"} == 0
      labels:
        severity: major
        service: nova
      annotations:
        summary: "{{ $labels.name }} endpoint is not accessible"
        description: >-
          Nova API is not accessible for the {{ $labels.name }} endpoint.
    NovaApiEndpointDown:
      if: >-
        http_response_status{name=~"nova-api"} == 0
      for: 2m
      labels:
        severity: minor
        service: nova
      annotations:
        summary: "nova-api endpoint is not accessible"
        description: >-
          The nova-api endpoint on the {{ $labels.host }} node is not accessible for 2 minutes.
{%- endraw %}
    NovaApiEndpointsDownMajor:
      if: >-
        count(http_response_status{name=~"nova-api"} == 0) >= count(http_response_status{name=~"nova-api"}) * {{ major_endpoint_threshold }}
      for: 2m
      labels:
        severity: major
        service: nova
      annotations:
        summary: "{{major_endpoint_threshold * 100}}% of nova-api endpoints are not accessible"
        description: >-
          {% raw %}{{ $value }} nova-api endpoints (>= {% endraw %} {{major_endpoint_threshold * 100}}{% raw %}%) are not accessible for 2 minutes.
    NovaApiEndpointsOutage:
      if: >-
        count(http_response_status{name=~"nova-api"} == 0) == count(http_response_status{name=~"nova-api"})
      for: 2m
      labels:
        severity: critical
        service: nova
      annotations:
        summary: "nova-api endpoints outage"
        description: >-
          All available nova-api endpoints are not accessible for 2 minutes.
    NovaServiceDown:
      if: >-
        openstack_nova_service_state == 0
      labels:
        severity: minor
        service: nova
      annotations:
        summary: "{{ $labels.binary }} service is down"
        description: >-
          The {{ $labels.binary }} service on the {{ $labels.hostname }} node is down.
{%- endraw %}
    NovaServicesDownMinor:
      if: >-
        count(openstack_nova_service_state{binary!~"nova-compute"} == 0) by (binary) >= on (binary) count(openstack_nova_service_state{binary!~"nova-compute"}) by (binary) * {{minor_threshold}}
      labels:
        severity: minor
        service: nova
      annotations:
        summary: "{{minor_threshold * 100}}%{%- raw %} of {{ $labels.binary }} services are down"
        description: >-
          {{ $value }} {{ $labels.binary }} services (>= {%- endraw %} {{minor_threshold * 100}}%) are down.
    NovaComputeServicesDownMinor:
      if: >-
        count(openstack_nova_service_state{binary="nova-compute"} == 0) >= count(openstack_nova_service_state{binary="nova-compute"}) * {{minor_compute_threshold}}
      labels:
        severity: minor
        service: nova
      annotations:
        summary: "{{minor_compute_threshold * 100}}%{%- raw %} of nova-compute services are down"
        description: >-
          {{ $value }} nova-compute services (>= {%- endraw %} {{minor_compute_threshold * 100}}%) are down.
    NovaServicesDownMajor:
      if: >-
        count(openstack_nova_service_state{binary!~"nova-compute"} == 0) by (binary) >= on (binary) count(openstack_nova_service_state{binary!~"nova-compute"}) by (binary) * {{major_threshold}}
      labels:
        severity: major
        service: nova
      annotations:
        summary: "{{major_threshold * 100}}%{%- raw %} of {{ $labels.binary }} services are down"
        description: >-
          {{ $value }} {{ $labels.binary }} services (>= {%- endraw %} {{major_threshold * 100}}%) are down.
    NovaComputeServicesDownMajor:
      if: >-
        count(openstack_nova_service_state{binary="nova-compute"} == 0) >= count(openstack_nova_service_state{binary="nova-compute"}) * {{major_compute_threshold}}
      labels:
        severity: major
        service: nova
      annotations:
        summary: "{{major_compute_threshold * 100}}%{%- raw %} of nova-compute services are down"
        description: >-
          {{ $value }} nova-compute services (>= {%- endraw %} {{major_compute_threshold * 100}}{%- raw %}%) are down.
    NovaServiceOutage:
      if: >-
        count(openstack_nova_service_state == 0) by (binary) == on (binary) count(openstack_nova_service_state) by (binary)
      labels:
        severity: critical
        service: nova
      annotations:
        summary: "{{ $labels.binary }} service outage"
        description: >-
          All {{ $labels.binary }} services are down.
{%- endraw %}
{%- set cpu_minor_threshold = monitoring.cpu_minor_threshold|float %}
{%- set cpu_major_threshold = monitoring.cpu_major_threshold|float %}
{%- set ram_major_threshold = monitoring.ram_major_threshold|float %}
{%- set ram_critical_threshold = monitoring.ram_critical_threshold|float %}
{%- set disk_major_threshold = monitoring.disk_major_threshold|float %}
{%- set disk_critical_threshold = monitoring.disk_critical_threshold|float %}
    NovaHypervisorVCPUsFullMinor:
      if: >-
        label_replace(system_load15, "hostname", "$1", "host", "(.*)") > on (hostname) openstack_nova_vcpus * {{ cpu_minor_threshold }}
      labels:
        severity: minor
        service: nova
      annotations:
        summary: "{{ cpu_minor_threshold * 100 }}% of hypervisor VCPUs are used"
        description: "{% raw %}{{ $value }} VCPUs on the {{ $labels.hostname }} node (> {% endraw %} {{ cpu_minor_threshold * 100 }}%) are used."
    NovaHypervisorVCPUsFullMajor:
      if: >-
        label_replace(system_load15, "hostname", "$1", "host", "(.*)") > on (hostname) openstack_nova_vcpus * {{ cpu_major_threshold }}
      labels:
        severity: major
        service: nova
      annotations:
        summary: "{{ cpu_major_threshold * 100 }}% of hypervisor VCPUs are used"
        description: "{% raw %}{{ $value }} VCPUs on the {{ $labels.hostname }} node (> {% endraw %} {{ cpu_major_threshold * 100 }}%) are used."
    NovaHypervisorMemoryFullMajor:
      if: >-
        openstack_nova_used_ram > openstack_nova_ram * {{ ram_major_threshold }}
      labels:
        severity: major
        service: nova
      annotations:
        summary: "{{ ram_major_threshold * 100 }}% of hypervisor RAM is used"
        description: "{% raw %}{{ $value }}MB of RAM on the {{ $labels.hostname }} node (> {% endraw %} {{ ram_major_threshold * 100 }}%) is used."
    NovaHypervisorMemoryFullCritical:
      if: >-
        openstack_nova_used_ram > openstack_nova_ram * {{ ram_critical_threshold }}
      labels:
        severity: critical
        service: nova
      annotations:
        summary: "{{ ram_critical_threshold * 100 }}% of hypervisor RAM is used"
        description: "{% raw %}{{ $value }}MB of RAM on the {{ $labels.hostname }} node (> {% endraw %} {{ ram_critical_threshold * 100 }}%) is used."
    NovaHypervisorDiskFullMajor:
      if: >-
        openstack_nova_used_disk > openstack_nova_disk * {{ disk_major_threshold }}
      labels:
        severity: major
        service: nova
      annotations:
        summary: "{{ disk_major_threshold * 100 }}% of hypervisor disk space is used"
        description: "{% raw %}{{ $value }}GB of disk space on the {{ $labels.hostname }} node (> {% endraw %} {{ disk_major_threshold * 100 }}%) is used."
    NovaHypervisorDiskFullCritical:
      if: >-
        openstack_nova_used_disk > openstack_nova_disk * {{ disk_critical_threshold }}
      labels:
        severity: critical
        service: nova
      annotations:
        summary: "{{ disk_critical_threshold * 100 }}% of hypervisor disk space is used"
        description: "{% raw %}{{ $value }}GB of disk space on the {{ $labels.hostname }} node (> {% endraw %} {{ disk_critical_threshold * 100 }}%) is used."
    NovaAggregateMemoryFullMajor:
      if: >-
        openstack_nova_aggregate_used_ram > openstack_nova_aggregate_ram * {{ ram_major_threshold }}
      labels:
        severity: major
        service: nova
      annotations:
        summary: "{{ ram_major_threshold * 100 }}% of aggregate RAM is used"
        description: "{% raw %}{{ $value }}MB of RAM on the {{ $labels.aggregate }} aggregate (> {% endraw %} {{ ram_major_threshold * 100 }}%) is used."
    NovaAggregateMemoryFullCritical:
      if: >-
        openstack_nova_aggregate_used_ram > openstack_nova_aggregate_ram * {{ ram_critical_threshold }}
      labels:
        severity: critical
        service: nova
      annotations:
        summary: "{{ ram_critical_threshold * 100 }}% of aggregate RAM is used"
        description: "{% raw %}{{ $value }}MB of RAM on the {{ $labels.aggregate }} aggregate (> {% endraw %} {{ ram_critical_threshold * 100 }}%) is used."
    NovaAggregateDiskFullMajor:
      if: >-
        openstack_nova_aggregate_used_disk > openstack_nova_aggregate_disk * {{ disk_major_threshold }}
      labels:
        severity: major
        service: nova
      annotations:
        summary: "{{ disk_major_threshold * 100 }}% of aggregate disk space is used"
        description: "{% raw %}{{ $value }}GB of disk space on the {{ $labels.aggregate }} aggregate (> {% endraw %} {{ disk_major_threshold * 100 }}%) is used."
    NovaAggregateDiskFullCritical:
      if: >-
        openstack_nova_aggregate_used_disk > openstack_nova_aggregate_disk * {{ disk_critical_threshold }}
      labels:
        severity: critical
        service: nova
      annotations:
        summary: "{{ disk_critical_threshold * 100 }}% of aggregate disk space is used"
        description: "{% raw %}{{ $value }}GB of disk space on the {{ $labels.aggregate }} aggregate (> {% endraw %} {{ disk_critical_threshold * 100 }}%) is used."
    NovaTotalVCPUsFullMinor:
      if: >-
        sum(label_replace(system_load15, "hostname", "$1", "host", "(.*)") and on (hostname) openstack_nova_vcpus) > max(sum(openstack_nova_vcpus) by (instance)) * {{ cpu_minor_threshold }}
      labels:
        severity: minor
        service: nova
      annotations:
        summary: "{{ cpu_minor_threshold * 100 }}% of cloud VCPUs are used"
        description: "{% raw %}{{ $value }} VCPUs in the cloud (> {% endraw %} {{ cpu_minor_threshold * 100 }}%) are used."
    NovaTotalVCPUsFullMajor:
      if: >-
        sum(label_replace(system_load15, "hostname", "$1", "host", "(.*)") and on (hostname) openstack_nova_vcpus) > max(sum(openstack_nova_vcpus) by (instance)) * {{ cpu_major_threshold }}
      labels:
        severity: major
        service: nova
      annotations:
        summary: "{{ cpu_major_threshold * 100 }}% of cloud VCPUs are used"
        description: "{% raw %}{{ $value }} VCPUs in the cloud (> {% endraw %} {{ cpu_major_threshold * 100 }}%) are used."
    NovaTotalMemoryFullMajor:
      if: >-
        openstack_nova_total_used_ram > openstack_nova_total_ram * {{ ram_major_threshold }}
      labels:
        severity: major
        service: nova
      annotations:
        summary: "{{ ram_major_threshold * 100 }}% of cloud RAM is used"
        description: "{% raw %}{{ $value }}MB of RAM in the cloud (> {% endraw %} {{ ram_major_threshold * 100 }}%) is used."
    NovaTotalMemoryFullCritical:
      if: >-
        openstack_nova_total_used_ram > openstack_nova_total_ram * {{ ram_critical_threshold }}
      labels:
        severity: critical
        service: nova
      annotations:
        summary: "{{ ram_critical_threshold * 100 }}% of cloud RAM is used"
        description: "{% raw %}{{ $value }}MB of RAM in the cloud (> {% endraw %} {{ ram_critical_threshold * 100 }}%) is used."
    NovaTotalDiskFullMajor:
      if: >-
        openstack_nova_total_used_disk > openstack_nova_total_disk * {{ disk_major_threshold }}
      labels:
        severity: major
        service: nova
      annotations:
        summary: "{{ disk_major_threshold * 100 }}% of cloud disk space is used"
        description: "{% raw %}{{ $value }}GB of disk space in the cloud (> {% endraw %} {{ disk_major_threshold * 100 }}%) is used."
    NovaTotalDiskFullCritical:
      if: >-
        openstack_nova_total_used_disk > openstack_nova_total_disk * {{ disk_critical_threshold }}
      labels:
        severity: critical
        service: nova
      annotations:
        summary: "{{ disk_critical_threshold * 100 }}% of cloud disk space is used"
        description: "{% raw %}{{ $value }}GB of disk space in the cloud (> {% endraw %} {{ disk_critical_threshold * 100 }}%) is used."
{%- endif %}
    NovaErrorLogsTooHigh:
      {%- set log_threshold = monitoring.error_log_rate.warn|float %}
      if: >-
        sum(rate(log_messages{service="nova",level=~"(?i:(error|emergency|fatal))"}[5m])) without (level) > {{ log_threshold }}
{%- raw %}
      labels:
        severity: warning
        service: nova
      annotations:
        summary: "High number of errors in Nova logs"
        description: "The average per-second rate of errors in Nova logs on the {{ $labels.host }} node is {{ $value }} (as measured over the last 5 minutes)."
{%- endraw %}
{%- if is_compute and exporters is defined and compute.get('compute_driver', 'libvirt.LibvirtDriver') == 'libvirt.LibvirtDriver'%}
{%- raw %}
    LibvirtDown:
      if: >-
        libvirt_up == 0
      for: 2m
      labels:
        severity: critical
        service: libvirt
      annotations:
        summary: "Failure to gather Libvirt metrics"
        description: "The Libvirt metric exporter fails to gather metrics on the {{ $labels.host }} node for 2 minutes."
{%- endraw %}
{%- include "prometheus/_exporters_config.sls" %}
{%- endif %}
{%- endif %}