78 lines
2.4 KiB
Ruby
78 lines
2.4 KiB
Ruby
# frozen_string_literal: true
|
|
|
|
# Responsible for returning a filtered project dashboard
|
|
# containing only the request-provided metrics. The result
|
|
# is then cached for future requests. Metrics are identified
|
|
# based on a combination of identifiers for now, but the ideal
|
|
# would be similar to the approach in DefaultEmbedService, but
|
|
# a single unique identifier is not currently available across
|
|
# all metric types (custom, project-defined, cluster, or system).
|
|
#
|
|
# Use Gitlab::Metrics::Dashboard::Finder to retrive dashboards.
|
|
module Metrics
|
|
module Dashboard
|
|
class DynamicEmbedService < ::Metrics::Dashboard::BaseEmbedService
|
|
include Gitlab::Utils::StrongMemoize
|
|
|
|
class << self
|
|
# Determines whether the provided params are sufficient
|
|
# to uniquely identify a panel from a yml-defined dashboard.
|
|
#
|
|
# See https://docs.gitlab.com/ee/user/project/integrations/prometheus.html#defining-custom-dashboards-per-project
|
|
# for additional info on defining custom dashboards.
|
|
def valid_params?(params)
|
|
[
|
|
embedded?(params[:embedded]),
|
|
params[:group].present?,
|
|
params[:title].present?,
|
|
params[:y_label]
|
|
].all?
|
|
end
|
|
end
|
|
|
|
# Returns a new dashboard with only the matching
|
|
# metrics from the system dashboard, stripped of groups.
|
|
# @return [Hash]
|
|
def get_raw_dashboard
|
|
not_found! if panels.empty?
|
|
|
|
{ 'panel_groups' => [{ 'panels' => panels }] }
|
|
end
|
|
|
|
private
|
|
|
|
def panels
|
|
strong_memoize(:panels) do
|
|
not_found! unless base_dashboard
|
|
not_found! unless groups = base_dashboard['panel_groups']
|
|
not_found! unless matching_group = find_group(groups)
|
|
not_found! unless all_panels = matching_group['panels']
|
|
|
|
find_panels(all_panels)
|
|
end
|
|
end
|
|
|
|
def base_dashboard
|
|
strong_memoize(:base_dashboard) do
|
|
Gitlab::Metrics::Dashboard::Finder.find_raw(project, dashboard_path: dashboard_path)
|
|
end
|
|
end
|
|
|
|
def find_group(groups)
|
|
groups.find do |candidate_group|
|
|
candidate_group['group'] == group
|
|
end
|
|
end
|
|
|
|
def find_panels(all_panels)
|
|
all_panels.select do |panel|
|
|
panel['title'] == title && panel['y_label'] == y_label
|
|
end
|
|
end
|
|
|
|
def not_found!
|
|
panels_not_found!(identifiers)
|
|
end
|
|
end
|
|
end
|
|
end
|