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|
# frozen_string_literal: true
module Projects
module Prometheus
class MetricsController < Projects::ApplicationController
before_action :authorize_admin_project!
before_action :require_prometheus_metrics!
def active_common
respond_to do |format|
format.json do
matched_metrics = prometheus_adapter.query(:matched_metrics) || {}
if matched_metrics.any?
render json: matched_metrics
else
head :no_content
end
end
end
end
def validate_query
respond_to do |format|
format.json do
result = prometheus_adapter.query(:validate, params[:query])
if result
render json: result
else
head :accepted
end
end
end
end
def new
@metric = project.prometheus_metrics.new
end
def index
respond_to do |format|
format.json do
metrics = ::PrometheusMetricsFinder.new(
project: project,
ordered: true
).execute.to_a
response = {}
if metrics.any?
response[:metrics] = ::PrometheusMetricSerializer
.new(project: project)
.represent(metrics)
end
render json: response
end
end
end
def create
@metric = project.prometheus_metrics.create(
metrics_params.to_h.symbolize_keys
)
if @metric.persisted?
redirect_to edit_project_service_path(project, ::PrometheusService),
notice: _('Metric was successfully added.')
else
render 'new'
end
end
def update
@metric = update_metrics_service(prometheus_metric).execute
if @metric.persisted?
redirect_to edit_project_service_path(project, ::PrometheusService),
notice: _('Metric was successfully updated.')
else
render 'edit'
end
end
def edit
@metric = prometheus_metric
end
def destroy
destroy_metrics_service(prometheus_metric).execute
respond_to do |format|
format.html do
redirect_to edit_project_service_path(project, ::PrometheusService), status: :see_other
end
format.json do
head :ok
end
end
end
private
def prometheus_adapter
@prometheus_adapter ||= ::Gitlab::Prometheus::Adapter.new(project, project.deployment_platform&.cluster).prometheus_adapter
end
def require_prometheus_metrics!
render_404 unless prometheus_adapter&.can_query?
end
def prometheus_metric
@prometheus_metric ||= ::PrometheusMetricsFinder.new(id: params[:id]).execute.first
end
def update_metrics_service(metric)
::Projects::Prometheus::Metrics::UpdateService.new(metric, metrics_params)
end
def destroy_metrics_service(metric)
::Projects::Prometheus::Metrics::DestroyService.new(metric)
end
def metrics_params
params.require(:prometheus_metric).permit(:title, :query, :y_label, :unit, :legend, :group)
end
end
end
end
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