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