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