90 lines
2.5 KiB
Ruby
90 lines
2.5 KiB
Ruby
# frozen_string_literal: true
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class PrometheusAlert < ApplicationRecord
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include Sortable
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include UsageStatistics
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include Presentable
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OPERATORS_MAP = {
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lt: "<",
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eq: "==",
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gt: ">"
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}.freeze
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belongs_to :environment, validate: true, inverse_of: :prometheus_alerts
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belongs_to :project, validate: true, inverse_of: :prometheus_alerts
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belongs_to :prometheus_metric, validate: true, inverse_of: :prometheus_alerts
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has_many :prometheus_alert_events, inverse_of: :prometheus_alert
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has_many :related_issues, through: :prometheus_alert_events
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has_many :alert_management_alerts, class_name: 'AlertManagement::Alert', inverse_of: :prometheus_alert
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after_save :clear_prometheus_adapter_cache!
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after_destroy :clear_prometheus_adapter_cache!
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validates :environment, :project, :prometheus_metric, :threshold, :operator, presence: true
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validates :runbook_url, length: { maximum: 255 }, allow_blank: true,
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addressable_url: { enforce_sanitization: true, ascii_only: true }
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validate :require_valid_environment_project!
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validate :require_valid_metric_project!
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enum operator: { lt: 0, eq: 1, gt: 2 }
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delegate :title, :query, to: :prometheus_metric
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scope :for_metric, -> (metric) { where(prometheus_metric: metric) }
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scope :for_project, -> (project) { where(project_id: project) }
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scope :for_environment, -> (environment) { where(environment_id: environment) }
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def self.distinct_projects
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sub_query = self.group(:project_id).select(1)
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self.from(sub_query)
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end
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def self.operator_to_enum(op)
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OPERATORS_MAP.invert.fetch(op)
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end
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def full_query
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"#{query} #{computed_operator} #{threshold}"
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end
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def computed_operator
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OPERATORS_MAP.fetch(operator.to_sym)
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end
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def to_param
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{
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"alert" => title,
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"expr" => full_query,
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"for" => "5m",
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"labels" => {
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"gitlab" => "hook",
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"gitlab_alert_id" => prometheus_metric_id,
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"gitlab_prometheus_alert_id" => id
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},
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"annotations" => {
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"runbook" => runbook_url
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}
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}
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end
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private
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def clear_prometheus_adapter_cache!
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environment.clear_prometheus_reactive_cache!(:additional_metrics_environment)
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end
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def require_valid_environment_project!
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return if project == environment&.project
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errors.add(:environment, 'invalid project')
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end
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def require_valid_metric_project!
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return if prometheus_metric&.common?
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return if project == prometheus_metric&.project
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errors.add(:prometheus_metric, 'invalid project')
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end
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end
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