debian-mirror-gitlab/lib/gitlab/ci/queue/metrics.rb
2021-06-08 01:23:25 +05:30

229 lines
8.1 KiB
Ruby

# frozen_string_literal: true
module Gitlab
module Ci
module Queue
class Metrics
extend Gitlab::Utils::StrongMemoize
QUEUE_DURATION_SECONDS_BUCKETS = [1, 3, 10, 30, 60, 300, 900, 1800, 3600].freeze
QUEUE_ACTIVE_RUNNERS_BUCKETS = [1, 3, 10, 30, 60, 300, 900, 1800, 3600].freeze
QUEUE_DEPTH_TOTAL_BUCKETS = [1, 2, 3, 5, 8, 16, 32, 50, 100, 250, 500, 1000, 2000, 5000].freeze
QUEUE_SIZE_TOTAL_BUCKETS = [1, 5, 10, 50, 100, 500, 1000, 2000, 5000, 7500, 10000, 15000, 20000].freeze
QUEUE_PROCESSING_DURATION_SECONDS_BUCKETS = [0.01, 0.05, 0.1, 0.3, 0.5, 1, 5, 10, 15, 20, 30, 60].freeze
METRICS_SHARD_TAG_PREFIX = 'metrics_shard::'
DEFAULT_METRICS_SHARD = 'default'
JOBS_RUNNING_FOR_PROJECT_MAX_BUCKET = 5
OPERATION_COUNTERS = [
:build_can_pick,
:build_not_pick,
:build_not_pending,
:build_temporary_locked,
:build_conflict_lock,
:build_conflict_exception,
:build_conflict_transition,
:queue_attempt,
:queue_conflict,
:queue_iteration,
:queue_depth_limit,
:queue_replication_lag,
:runner_pre_assign_checks_failed,
:runner_pre_assign_checks_success,
:runner_queue_tick
].to_set.freeze
QUEUE_DEPTH_HISTOGRAMS = [
:found,
:not_found,
:conflict
].to_set.freeze
attr_reader :runner
def initialize(runner)
@runner = runner
end
def register_failure
self.class.failed_attempt_counter.increment
self.class.attempt_counter.increment
end
def register_success(job)
labels = { shared_runner: runner.instance_type?,
jobs_running_for_project: jobs_running_for_project(job),
shard: DEFAULT_METRICS_SHARD }
if runner.instance_type?
shard = runner.tag_list.sort.find { |name| name.starts_with?(METRICS_SHARD_TAG_PREFIX) }
labels[:shard] = shard.gsub(METRICS_SHARD_TAG_PREFIX, '') if shard
end
self.class.job_queue_duration_seconds.observe(labels, Time.current - job.queued_at) unless job.queued_at.nil?
self.class.attempt_counter.increment
end
# rubocop: disable CodeReuse/ActiveRecord
def jobs_running_for_project(job)
return '+Inf' unless runner.instance_type?
# excluding currently started job
running_jobs_count = job.project.builds.running.where(runner: ::Ci::Runner.instance_type)
.limit(JOBS_RUNNING_FOR_PROJECT_MAX_BUCKET + 1).count - 1
running_jobs_count < JOBS_RUNNING_FOR_PROJECT_MAX_BUCKET ? running_jobs_count : "#{JOBS_RUNNING_FOR_PROJECT_MAX_BUCKET}+"
end
# rubocop: enable CodeReuse/ActiveRecord
def increment_queue_operation(operation)
if !Rails.env.production? && !OPERATION_COUNTERS.include?(operation)
raise ArgumentError, "unknown queue operation: #{operation}"
end
self.class.queue_operations_total.increment(operation: operation)
end
def observe_queue_depth(queue, size)
return unless Feature.enabled?(:gitlab_ci_builds_queuing_metrics, default_enabled: false)
if !Rails.env.production? && !QUEUE_DEPTH_HISTOGRAMS.include?(queue)
raise ArgumentError, "unknown queue depth label: #{queue}"
end
self.class.queue_depth_total.observe({ queue: queue }, size.to_f)
end
def observe_queue_size(size_proc, runner_type)
return unless Feature.enabled?(:gitlab_ci_builds_queuing_metrics, default_enabled: false)
self.class.queue_size_total.observe({ runner_type: runner_type }, size_proc.call.to_f)
end
def observe_queue_time(metric, runner_type)
start_time = ::Gitlab::Metrics::System.monotonic_time
result = yield
return result unless Feature.enabled?(:gitlab_ci_builds_queuing_metrics, default_enabled: false)
seconds = ::Gitlab::Metrics::System.monotonic_time - start_time
case metric
when :process
self.class.queue_iteration_duration_seconds.observe({ runner_type: runner_type }, seconds.to_f)
when :retrieve
self.class.queue_retrieval_duration_seconds.observe({ runner_type: runner_type }, seconds.to_f)
else
raise ArgumentError unless Rails.env.production?
end
result
end
def self.observe_active_runners(runners_proc)
return unless Feature.enabled?(:gitlab_ci_builds_queuing_metrics, default_enabled: false)
queue_active_runners_total.observe({}, runners_proc.call.to_f)
end
def self.increment_runner_tick(runner)
self.new(runner).increment_queue_operation(:runner_queue_tick)
end
def self.failed_attempt_counter
strong_memoize(:failed_attempt_counter) do
name = :job_register_attempts_failed_total
comment = 'Counts the times a runner tries to register a job'
Gitlab::Metrics.counter(name, comment)
end
end
def self.attempt_counter
strong_memoize(:attempt_counter) do
name = :job_register_attempts_total
comment = 'Counts the times a runner tries to register a job'
Gitlab::Metrics.counter(name, comment)
end
end
def self.job_queue_duration_seconds
strong_memoize(:job_queue_duration_seconds) do
name = :job_queue_duration_seconds
comment = 'Request handling execution time'
buckets = QUEUE_DURATION_SECONDS_BUCKETS
labels = {}
Gitlab::Metrics.histogram(name, comment, labels, buckets)
end
end
def self.queue_operations_total
strong_memoize(:queue_operations_total) do
name = :gitlab_ci_queue_operations_total
comment = 'Counts all the operations that are happening inside a queue'
Gitlab::Metrics.counter(name, comment)
end
end
def self.queue_depth_total
strong_memoize(:queue_depth_total) do
name = :gitlab_ci_queue_depth_total
comment = 'Size of a CI/CD builds queue in relation to the operation result'
buckets = QUEUE_DEPTH_TOTAL_BUCKETS
labels = {}
Gitlab::Metrics.histogram(name, comment, labels, buckets)
end
end
def self.queue_size_total
strong_memoize(:queue_size_total) do
name = :gitlab_ci_queue_size_total
comment = 'Size of initialized CI/CD builds queue'
buckets = QUEUE_SIZE_TOTAL_BUCKETS
labels = {}
Gitlab::Metrics.histogram(name, comment, labels, buckets)
end
end
def self.queue_iteration_duration_seconds
strong_memoize(:queue_iteration_duration_seconds) do
name = :gitlab_ci_queue_iteration_duration_seconds
comment = 'Time it takes to find a build in CI/CD queue'
buckets = QUEUE_PROCESSING_DURATION_SECONDS_BUCKETS
labels = {}
Gitlab::Metrics.histogram(name, comment, labels, buckets)
end
end
def self.queue_retrieval_duration_seconds
strong_memoize(:queue_retrieval_duration_seconds) do
name = :gitlab_ci_queue_retrieval_duration_seconds
comment = 'Time it takes to execute a SQL query to retrieve builds queue'
buckets = QUEUE_PROCESSING_DURATION_SECONDS_BUCKETS
labels = {}
Gitlab::Metrics.histogram(name, comment, labels, buckets)
end
end
def self.queue_active_runners_total
strong_memoize(:queue_active_runners_total) do
name = :gitlab_ci_queue_active_runners_total
comment = 'The amount of active runners that can process queue in a project'
buckets = QUEUE_ACTIVE_RUNNERS_BUCKETS
labels = {}
Gitlab::Metrics.histogram(name, comment, labels, buckets)
end
end
end
end
end
end