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# frozen_string_literal: true
# Responsible for determining which dashboard service should
# be used to fetch or generate a dashboard hash.
# The services can be considered in two categories - embeds
# and dashboards. Embed hashes are identical to dashboard hashes except
# that they contain a subset of panels.
module Gitlab
module Metrics
module Dashboard
class ServiceSelector
class << self
include Gitlab::Utils::StrongMemoize
SERVICES = [
::Metrics::Dashboard::ClusterMetricsEmbedService,
::Metrics::Dashboard::ClusterDashboardService,
::Metrics::Dashboard::GitlabAlertEmbedService,
::Metrics::Dashboard::CustomMetricEmbedService,
::Metrics::Dashboard::GrafanaMetricEmbedService,
::Metrics::Dashboard::TransientEmbedService,
::Metrics::Dashboard::DynamicEmbedService,
::Metrics::Dashboard::DefaultEmbedService,
::Metrics::Dashboard::SystemDashboardService,
::Metrics::Dashboard::PodDashboardService,
::Metrics::Dashboard::SelfMonitoringDashboardService,
::Metrics::Dashboard::CustomDashboardService
].freeze
# Returns a class which inherits from the BaseService
# class that can be used to obtain a dashboard for
# the provided params.
# @return [Gitlab::Metrics::Dashboard::Services::BaseService]
def call(params)
service = services.find do |service_class|
service_class.valid_params?(params)
end
service || default_service
end
private
def services
SERVICES
end
def default_service
::Metrics::Dashboard::SystemDashboardService
end
end
end
end
end
end
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