# frozen_string_literal: true # Manages url matching for metrics dashboards. module Gitlab module Metrics module Dashboard class Url class << self include Gitlab::Utils::StrongMemoize QUERY_PATTERN = '(?\?[a-zA-Z0-9%.()+_=-]+(&[a-zA-Z0-9%.()+_=-]+)*)?' ANCHOR_PATTERN = '(?\#[a-z0-9_-]+)?' OPTIONAL_DASH_PATTERN = '(?:/-)?' # Matches urls for a metrics dashboard. This could be # either the /metrics endpoint or the /metrics_dashboard # endpoint. # # EX - https://///environments//metrics def metrics_regex strong_memoize(:metrics_regex) do regex_for_project_metrics( %r{ /environments /(?\d+) /(metrics_dashboard|metrics) }x ) end end # Matches dashboard urls for a Grafana embed. # # EX - https://///grafana/metrics_dashboard def grafana_regex strong_memoize(:grafana_regex) do regex_for_project_metrics( %r{ /grafana /metrics_dashboard }x ) end end # Parses query params out from full url string into hash. # # Ex) 'https://///metrics?title=Title&group=Group' # --> { title: 'Title', group: 'Group' } def parse_query(url) query_string = URI.parse(url).query.to_s CGI.parse(query_string) .transform_values { |value| value.first } .symbolize_keys end # Builds a metrics dashboard url based on the passed in arguments def build_dashboard_url(*args) Gitlab::Routing.url_helpers.metrics_dashboard_namespace_project_environment_url(*args) end # Matches dashboard urls for a metric chart embed # for cluster metrics # # EX - https://///-/clusters//?group=Cluster%20Health&title=Memory%20Usage&y_label=Memory%20(GiB) def clusters_regex strong_memoize(:clusters_regex) do regex_for_project_metrics( %r{ /clusters /(?\d+) /? }x ) end end private def regex_for_project_metrics(path_suffix_pattern) %r{ (? #{gitlab_host_pattern} #{project_path_pattern} #{OPTIONAL_DASH_PATTERN} #{path_suffix_pattern} #{QUERY_PATTERN} #{ANCHOR_PATTERN} ) }x end def gitlab_host_pattern Regexp.escape(Gitlab.config.gitlab.url) end def project_path_pattern "\/#{Project.reference_pattern}" end end end end end end Gitlab::Metrics::Dashboard::Url.extend_if_ee('::EE::Gitlab::Metrics::Dashboard::Url')