Commit 0e7e7c2f authored by Pawel Chojnacki's avatar Pawel Chojnacki

Test Additional metrics parser and fix query checking tests

parent f78fd3de
......@@ -75,10 +75,6 @@ class PrometheusService < MonitoringService
with_reactive_cache(Gitlab::Prometheus::Queries::MatchedMetricsQuery.name, &:itself)
end
def with_reactive_cache(*args, &block)
yield calculate_reactive_cache(*args)
end
# Cache metrics for specific environment
def calculate_reactive_cache(query_class_name, *args)
return unless active? && project && !project.pending_delete?
......
......@@ -14,22 +14,29 @@ module Gitlab
end
def metric_from_entry(entry)
missing_fields = [:title, :required_metrics, :weight, :queries].select { |key| !entry.key?(key) }
required_fields = [:title, :required_metrics, :weight, :queries]
missing_fields = required_fields.select { |key| entry[key].nil? }
raise ParsingError.new("entry missing required fields #{missing_fields}") unless missing_fields.empty?
Metric.new(entry[:title], entry[:required_metrics], entry[:weight], entry[:y_label], entry[:queries])
end
def group_from_entry(entry)
missing_fields = [:group, :priority, :metrics].select { |key| !entry.key?(key) }
raise ParsingError.new("entry missing required fields #{missing_fields}") unless missing_fields.empty?
required_fields = [:group, :priority, :metrics]
missing_fields = required_fields.select { |key| entry[key].nil? }
raise ParsingError.new("entry missing required fields #{missing_fields.map(&:to_s)}") unless missing_fields.empty?
group = MetricGroup.new(entry[:group], entry[:priority])
group.tap { |g| g.metrics = metrics_from_list(entry[:metrics]) }
end
def additional_metrics_raw
@additional_metrics_raw ||= YAML.load_file(Rails.root.join('config/additional_metrics.yml'))&.map(&:deep_symbolize_keys).freeze
@additional_metrics_raw ||= load_yaml_file&.map(&:deep_symbolize_keys).freeze
end
def load_yaml_file
YAML.load_file(Rails.root.join('config/additional_metrics.yml'))
end
end
end
......
......@@ -37,18 +37,19 @@ module Gitlab
def query_with_result(query)
query[:result]&.any? do |item|
item&.[]('values')&.any? || item&.[]('value')&.any?
item&.[](:values)&.any? || item&.[](:value)&.any?
end
end
def process_query(context, query)
query_with_result = query.dup
query_with_result[:result] =
result =
if query.key?(:query_range)
client_query_range(query[:query_range] % context, start: context[:timeframe_start], stop: context[:timeframe_end])
else
client_query(query[:query] % context, time: context[:timeframe_end])
end
query_with_result[:result] = result&.map(&:deep_symbolize_keys)
query_with_result
end
......
require 'spec_helper'
describe Gitlab::Prometheus::AdditionalMetricsParser, lib: true do
include Prometheus::MetricBuilders
let(:parser_error_class) { Gitlab::Prometheus::ParsingError }
describe '#load_groups_from_yaml' do
subject { described_class.load_groups_from_yaml }
describe 'parsing sample yaml' do
let(:sample_yaml) do
<<-EOF.strip_heredoc
- group: group_a
priority: 1
metrics:
- title: "title"
required_metrics: [ metric_a, metric_b ]
weight: 1
queries: [{ query_range: 'query_range_a', label: label, unit: unit }]
- title: "title"
required_metrics: [metric_a]
weight: 1
queries: [{ query_range: 'query_range_empty' }]
- group: group_b
priority: 1
metrics:
- title: title
required_metrics: []
weight: 1
queries: [{query_range: query_range_a}]
EOF
end
before do
described_class.instance_variable_set :@additional_metrics_raw, nil
allow(described_class).to receive(:load_yaml_file) { YAML.load(sample_yaml) }
end
it 'parses to two metric groups with 2 and 1 metric respectively' do
expect(subject.count).to eq(2)
expect(subject[0].metrics.count).to eq(2)
expect(subject[1].metrics.count).to eq(1)
end
it 'provide group data' do
expect(subject[0]).to have_attributes(name: 'group_a', priority: 1)
expect(subject[1]).to have_attributes(name: 'group_b', priority: 1)
end
it 'provides metrics data' do
metrics = subject.flat_map(&:metrics)
expect(metrics.count).to eq(3)
expect(metrics[0]).to have_attributes(title: 'title', required_metrics: %w(metric_a metric_b), weight: 1)
expect(metrics[1]).to have_attributes(title: 'title', required_metrics: %w(metric_a), weight: 1)
expect(metrics[2]).to have_attributes(title: 'title', required_metrics: [], weight: 1)
end
it 'provides query data' do
queries = subject.flat_map(&:metrics).flat_map(&:queries)
expect(queries.count).to eq(3)
expect(queries[0]).to eq(query_range: 'query_range_a', label: 'label', unit: 'unit')
expect(queries[1]).to eq(query_range: 'query_range_empty')
expect(queries[2]).to eq(query_range: 'query_range_a')
end
end
shared_examples 'required field' do |field_name|
before do
described_class.instance_variable_set :@additional_metrics_raw, nil
end
context "when #{field_name} is nil" do
before do
allow(described_class).to receive(:load_yaml_file) { YAML.load(field_missing) }
end
it 'throws parsing error' do
expect { subject }.to raise_error(parser_error_class, /missing.*#{field_name}/)
end
end
context "when #{field_name} are not specified" do
before do
allow(described_class).to receive(:load_yaml_file) { YAML.load(field_nil) }
end
it 'throws parsing error' do
expect { subject }.to raise_error(parser_error_class, /missing.*#{field_name}/)
end
end
end
describe 'group required fields' do
it_behaves_like 'required field', :metrics do
let(:field_nil) do
<<-EOF.strip_heredoc
- group: group_a
priority: 1
metrics:
EOF
end
let(:field_missing) do
<<-EOF.strip_heredoc
- group: group_a
priority: 1
EOF
end
end
it_behaves_like 'required field', :group do
let(:field_nil) do
<<-EOF.strip_heredoc
- priority: 1
metrics: []
EOF
end
let(:field_missing) do
<<-EOF.strip_heredoc
- priority: 1
metrics: []
EOF
end
end
it_behaves_like 'required field', :priority do
let(:field_nil) do
<<-EOF.strip_heredoc
- group: group_a
priority:
metrics: []
EOF
end
let(:field_missing) do
<<-EOF.strip_heredoc
- group: group_a
metrics: []
EOF
end
end
end
describe 'metrics fields parsing' do
it_behaves_like 'required field', :title do
let(:field_nil) do
<<-EOF.strip_heredoc
- group: group_a
priority: 1
metrics:
- title:
required_metrics: []
weight: 1
queries: []
EOF
end
let(:field_missing) do
<<-EOF.strip_heredoc
- group: group_a
priority: 1
metrics:
- required_metrics: []
weight: 1
queries: []
EOF
end
end
it_behaves_like 'required field', :required_metrics do
let(:field_nil) do
<<-EOF.strip_heredoc
- group: group_a
priority: 1
metrics:
- title: title
required_metrics:
weight: 1
queries: []
EOF
end
let(:field_missing) do
<<-EOF.strip_heredoc
- group: group_a
priority: 1
metrics:
- title: title
weight: 1
queries: []
EOF
end
end
it_behaves_like 'required field', :weight do
let(:field_nil) do
<<-EOF.strip_heredoc
- group: group_a
priority: 1
metrics:
- title: title
required_metrics: []
weight:
queries: []
EOF
end
let(:field_missing) do
<<-EOF.strip_heredoc
- group: group_a
priority: 1
metrics:
- title: title
required_metrics: []
queries: []
EOF
end
end
it_behaves_like 'required field', :queries do
let(:field_nil) do
<<-EOF.strip_heredoc
- group: group_a
priority: 1
metrics:
- title: title
required_metrics: []
weight: 1
queries:
EOF
end
let(:field_missing) do
<<-EOF.strip_heredoc
- group: group_a
priority: 1
metrics:
- title: title
required_metrics: []
weight: 1
EOF
end
end
end
end
end
......@@ -21,7 +21,7 @@ module Prometheus
end
def simple_metric_group(name: 'name', metrics: simple_metrics)
Gitlab::Prometheus::MetricGroup.new(name: name, priority: 1, metrics: metrics)
Gitlab::Prometheus::MetricGroup.new( name, 1, metrics)
end
end
end
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