prometheus_metric_enums.rb

# frozen_string_literal: true

module PrometheusMetricEnums
  def self.groups
    {
      # built-in groups
      nginx_ingress_vts: -1,
      ha_proxy: -2,
      aws_elb: -3,
      nginx: -4,
      kubernetes: -5,
      nginx_ingress: -6,
      cluster_health: -100
    }.merge(custom_groups).freeze
  end

  # custom/user groups
  def self.custom_groups
    {
      business: 0,
      response: 1,
      system: 2
    }.freeze
  end

  def self.group_details
    {
      # built-in groups
      nginx_ingress_vts: {
        group_title: _('Response metrics (NGINX Ingress VTS)'),
        required_metrics: %w(nginx_upstream_responses_total nginx_upstream_response_msecs_avg),
        priority: 10
      }.freeze,
      nginx_ingress: {
        group_title: _('Response metrics (NGINX Ingress)'),
        required_metrics: %w(nginx_ingress_controller_requests nginx_ingress_controller_ingress_upstream_latency_seconds_sum),
        priority: 10
      }.freeze,
      ha_proxy: {
        group_title: _('Response metrics (HA Proxy)'),
        required_metrics: %w(haproxy_frontend_http_requests_total haproxy_frontend_http_responses_total),
        priority: 10
      }.freeze,
      aws_elb: {
        group_title: _('Response metrics (AWS ELB)'),
        required_metrics: %w(aws_elb_request_count_sum aws_elb_latency_average aws_elb_httpcode_backend_5_xx_sum),
        priority: 10
      }.freeze,
      nginx: {
        group_title: _('Response metrics (NGINX)'),
        required_metrics: %w(nginx_server_requests nginx_server_requestMsec),
        priority: 10
      }.freeze,
      kubernetes: {
        group_title: _('System metrics (Kubernetes)'),
        required_metrics: %w(container_memory_usage_bytes container_cpu_usage_seconds_total),
        priority: 5
      }.freeze,
      cluster_health: {
        group_title: _('Cluster Health'),
        required_metrics: %w(container_memory_usage_bytes container_cpu_usage_seconds_total),
        priority: 10
      }.freeze
    }.merge(custom_group_details).freeze
  end

  # custom/user groups
  def self.custom_group_details
    {
      business: {
        group_title: _('Business metrics (Custom)'),
        priority: 0
      }.freeze,
      response: {
        group_title: _('Response metrics (Custom)'),
        priority: -5
      }.freeze,
      system: {
        group_title: _('System metrics (Custom)'),
        priority: -10
      }.freeze
    }.freeze
  end
end