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# frozen_string_literal: true
# Responsible for returning an embed containing the specified
# metrics chart for an alert. Creates panels based on the
# matching metric stored in the database.
#
# Use Gitlab::Metrics::Dashboard::Finder to retrieve dashboards.
module Metrics
module Dashboard
class GitlabAlertEmbedService < ::Metrics::Dashboard::BaseEmbedService
include Gitlab::Utils::StrongMemoize
SEQUENCE = [
STAGES::EndpointInserter,
STAGES::PanelIdsInserter
].freeze
class << self
# Determines whether the provided params are sufficient
# to uniquely identify a panel composed of user-defined
# custom metrics from the DB.
def valid_params?(params)
[
embedded?(params[:embedded]),
params[:prometheus_alert_id].is_a?(Integer)
].all?
end
end
def raw_dashboard
panels_not_found!(alert_id: alert_id) unless alert && prometheus_metric
{ 'panel_groups' => [{ 'panels' => [panel] }] }
end
private
def allowed?
Ability.allowed?(current_user, :read_prometheus_alerts, project)
end
def alert_id
params[:prometheus_alert_id]
end
def alert
strong_memoize(:alert) do
Projects::Prometheus::AlertsFinder.new(id: alert_id).execute.first
end
end
def process_params
params.merge(environment: alert.environment)
end
def prometheus_metric
strong_memoize(:prometheus_metric) do
PrometheusMetricsFinder.new(id: alert.prometheus_metric_id).execute.first
end
end
def panel
{
title: prometheus_metric.title,
y_label: prometheus_metric.y_label,
metrics: [prometheus_metric.to_metric_hash]
}
end
def sequence
SEQUENCE
end
end
end
end
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