90 lines
2.3 KiB
Ruby
90 lines
2.3 KiB
Ruby
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# frozen_string_literal: true
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class PrometheusMetric < ActiveRecord::Base
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belongs_to :project, validate: true, inverse_of: :prometheus_metrics
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enum group: {
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# built-in groups
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nginx_ingress: -1,
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ha_proxy: -2,
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aws_elb: -3,
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nginx: -4,
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kubernetes: -5,
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# custom/user groups
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business: 0,
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response: 1,
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system: 2
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}
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validates :title, presence: true
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validates :query, presence: true
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validates :group, presence: true
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validates :y_label, presence: true
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validates :unit, presence: true
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validates :project, presence: true, unless: :common?
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validates :project, absence: true, if: :common?
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scope :common, -> { where(common: true) }
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GROUP_TITLES = {
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# built-in groups
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nginx_ingress: _('Response metrics (NGINX Ingress)'),
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ha_proxy: _('Response metrics (HA Proxy)'),
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aws_elb: _('Response metrics (AWS ELB)'),
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nginx: _('Response metrics (NGINX)'),
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kubernetes: _('System metrics (Kubernetes)'),
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# custom/user groups
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business: _('Business metrics (Custom)'),
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response: _('Response metrics (Custom)'),
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system: _('System metrics (Custom)')
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}.freeze
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REQUIRED_METRICS = {
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nginx_ingress: %w(nginx_upstream_responses_total nginx_upstream_response_msecs_avg),
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ha_proxy: %w(haproxy_frontend_http_requests_total haproxy_frontend_http_responses_total),
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aws_elb: %w(aws_elb_request_count_sum aws_elb_latency_average aws_elb_httpcode_backend_5_xx_sum),
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nginx: %w(nginx_server_requests nginx_server_requestMsec),
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kubernetes: %w(container_memory_usage_bytes container_cpu_usage_seconds_total)
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}.freeze
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def group_title
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GROUP_TITLES[group.to_sym]
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end
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def required_metrics
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REQUIRED_METRICS[group.to_sym].to_a.map(&:to_s)
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end
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def to_query_metric
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Gitlab::Prometheus::Metric.new(id: id, title: title, required_metrics: required_metrics, weight: 0, y_label: y_label, queries: queries)
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end
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def queries
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[
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{
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query_range: query,
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unit: unit,
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label: legend,
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series: query_series
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}.compact
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]
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end
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def query_series
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case legend
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when 'Status Code'
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[{
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label: 'status_code',
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when: [
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{ value: '2xx', color: 'green' },
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{ value: '4xx', color: 'orange' },
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{ value: '5xx', color: 'red' }
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]
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}]
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end
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end
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end
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