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module Gitlab::Prometheus::Queries
class AdditionalMetricsQuery < BaseQuery
def query(environment_id)
environment = Environment.find_by(id: environment_id)
query_context = {
environment_slug: environment.slug,
environment_filter: %{container_name!="POD",environment="#{environment.slug}"},
timeframe_start: 8.hours.ago.to_f,
timeframe_end: Time.now.to_f
}
query_metrics(query_context)
end
protected
def query_metrics(query_context)
query_processor = method(:process_query).curry[query_context]
groups = matched_metrics.map do |group|
metrics = group.metrics.map do |metric|
{
title: metric.title,
weight: metric.weight,
y_label: metric.y_label,
queries: metric.queries.map(&query_processor).select(&method(:query_with_result))
}
end
{
group: group.name,
priority: group.priority,
metrics: metrics.select(&method(:metric_with_any_queries))
}
end
groups.select(&method(:group_with_any_metrics))
end
private
def metric_with_any_queries(metric)
metric[:queries]&.count&.> 0
end
def group_with_any_metrics(group)
group[:metrics]&.count&.> 0
end
def query_with_result(query)
query[:result]&.any? do |item|
item&.[](:values)&.any? || item&.[](:value)&.any?
end
end
def process_query(context, query)
query_with_result = query.dup
query_with_result[:result] =
if query.has_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
end
def available_metrics
@available_metrics ||= client_label_values || []
end
def matched_metrics
result = Gitlab::Prometheus::MetricGroup.all.map do |group|
group.metrics.select! do |metric|
metric.required_metrics.all?(&available_metrics.method(:include?))
end
group
end
result.select { |group| group.metrics.any? }
end
end
end
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