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# frozen_string_literal: true
module Gitlab
module Metrics
module Dashboard
module Stages
class ClusterEndpointInserter < BaseStage
def transform!
verify_params
for_metrics do |metric|
metric[:prometheus_endpoint_path] = endpoint_for_metric(metric)
end
end
private
def admin_url(metric)
Gitlab::Routing.url_helpers.prometheus_api_admin_cluster_path(
params[:cluster],
proxy_path: query_type(metric),
query: query_for_metric(metric)
)
end
def endpoint_for_metric(metric)
case params[:cluster_type]
when :admin
admin_url(metric)
when :group
error!(_('Group is required when cluster_type is :group')) unless params[:group]
group_url(metric)
when :project
error!(_('Project is required when cluster_type is :project')) unless project
project_url(metric)
else
error!(_('Unrecognized cluster type'))
end
end
def error!(message)
raise Errors::DashboardProcessingError, message
end
def group_url(metric)
Gitlab::Routing.url_helpers.prometheus_api_group_cluster_path(
params[:group],
params[:cluster],
proxy_path: query_type(metric),
query: query_for_metric(metric)
)
end
def project_url(metric)
Gitlab::Routing.url_helpers.prometheus_api_project_cluster_path(
project,
params[:cluster],
proxy_path: query_type(metric),
query: query_for_metric(metric)
)
end
def query_type(metric)
metric[:query] ? :query : :query_range
end
def query_for_metric(metric)
query = metric[query_type(metric)]
raise Errors::MissingQueryError, 'Each "metric" must define one of :query or :query_range' unless query
query
end
def verify_params
raise Errors::DashboardProcessingError, _('Cluster is required for Stages::ClusterEndpointInserter') unless params[:cluster]
raise Errors::DashboardProcessingError, _('Cluster type must be specificed for Stages::ClusterEndpointInserter') unless params[:cluster_type]
end
end
end
end
end
end
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