166 lines
5 KiB
Ruby
166 lines
5 KiB
Ruby
# frozen_string_literal: true
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require 'spec_helper'
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RSpec.describe PrometheusMetric do
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subject { build(:prometheus_metric) }
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it_behaves_like 'having unique enum values'
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it { is_expected.to belong_to(:project) }
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it { is_expected.to validate_presence_of(:title) }
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it { is_expected.to validate_presence_of(:query) }
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it { is_expected.to validate_presence_of(:group) }
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it { is_expected.to validate_uniqueness_of(:identifier).scoped_to(:project_id).allow_nil }
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describe 'common metrics' do
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using RSpec::Parameterized::TableSyntax
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where(:common, :with_project, :result) do
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false | true | true
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false | false | false
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true | true | false
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true | false | true
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end
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with_them do
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before do
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subject.common = common
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subject.project = with_project ? build(:project) : nil
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end
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it { expect(subject.valid?).to eq(result) }
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end
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end
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describe '#query_series' do
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using RSpec::Parameterized::TableSyntax
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where(:legend, :type) do
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'Some other legend' | NilClass
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'Status Code' | Array
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end
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with_them do
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before do
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subject.legend = legend
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end
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it { expect(subject.query_series).to be_a(type) }
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end
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end
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describe '#group_title' do
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shared_examples 'group_title' do |group, title|
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subject { build(:prometheus_metric, group: group).group_title }
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it "returns text #{title} for group #{group}" do
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expect(subject).to eq(title)
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end
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end
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it_behaves_like 'group_title', :nginx_ingress_vts, 'Response metrics (NGINX Ingress VTS)'
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it_behaves_like 'group_title', :nginx_ingress, 'Response metrics (NGINX Ingress)'
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it_behaves_like 'group_title', :ha_proxy, 'Response metrics (HA Proxy)'
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it_behaves_like 'group_title', :aws_elb, 'Response metrics (AWS ELB)'
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it_behaves_like 'group_title', :nginx, 'Response metrics (NGINX)'
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it_behaves_like 'group_title', :kubernetes, 'System metrics (Kubernetes)'
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it_behaves_like 'group_title', :business, 'Business metrics (Custom)'
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it_behaves_like 'group_title', :response, 'Response metrics (Custom)'
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it_behaves_like 'group_title', :system, 'System metrics (Custom)'
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it_behaves_like 'group_title', :cluster_health, 'Cluster Health'
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end
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describe '#priority' do
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using RSpec::Parameterized::TableSyntax
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where(:group, :priority) do
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:nginx_ingress_vts | 10
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:nginx_ingress | 10
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:ha_proxy | 10
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:aws_elb | 10
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:nginx | 10
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:kubernetes | 5
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:business | 0
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:response | -5
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:system | -10
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:cluster_health | 10
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end
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with_them do
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before do
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subject.group = group
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end
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it { expect(subject.priority).to eq(priority) }
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end
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end
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describe '#required_metrics' do
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using RSpec::Parameterized::TableSyntax
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where(:group, :required_metrics) do
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:nginx_ingress_vts | %w(nginx_upstream_responses_total nginx_upstream_response_msecs_avg)
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:nginx_ingress | %w(nginx_ingress_controller_requests nginx_ingress_controller_ingress_upstream_latency_seconds_sum)
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:ha_proxy | %w(haproxy_frontend_http_requests_total haproxy_frontend_http_responses_total)
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:aws_elb | %w(aws_elb_request_count_sum aws_elb_latency_average aws_elb_httpcode_backend_5_xx_sum)
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:nginx | %w(nginx_server_requests nginx_server_requestMsec)
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:kubernetes | %w(container_memory_usage_bytes container_cpu_usage_seconds_total)
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:business | %w()
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:response | %w()
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:system | %w()
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:cluster_health | %w(container_memory_usage_bytes container_cpu_usage_seconds_total)
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end
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with_them do
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before do
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subject.group = group
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end
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it { expect(subject.required_metrics).to eq(required_metrics) }
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end
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end
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describe '#to_query_metric' do
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it 'converts to queryable metric object' do
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expect(subject.to_query_metric).to be_instance_of(Gitlab::Prometheus::Metric)
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end
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it 'queryable metric object has title' do
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expect(subject.to_query_metric.title).to eq(subject.title)
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end
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it 'queryable metric object has y_label' do
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expect(subject.to_query_metric.y_label).to eq(subject.y_label)
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end
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it 'queryable metric has no required_metric' do
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expect(subject.to_query_metric.required_metrics).to eq([])
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end
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it 'queryable metrics has query description' do
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queries = [
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{
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query_range: subject.query,
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unit: subject.unit,
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label: subject.legend
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}
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]
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expect(subject.to_query_metric.queries).to eq(queries)
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end
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end
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describe '#to_metric_hash' do
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it 'returns a hash suitable for inclusion on a metrics dashboard' do
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expected_output = {
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query_range: subject.query,
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unit: subject.unit,
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label: subject.legend,
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metric_id: subject.id
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}
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expect(subject.to_metric_hash).to eq(expected_output)
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end
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end
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end
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