135 lines
6.9 KiB
Ruby
135 lines
6.9 KiB
Ruby
# frozen_string_literal: true
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module Gitlab
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module SidekiqMiddleware
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class ServerMetrics
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include ::Gitlab::SidekiqMiddleware::MetricsHelper
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# SIDEKIQ_LATENCY_BUCKETS are latency histogram buckets better suited to Sidekiq
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# timeframes than the DEFAULT_BUCKET definition. Defined in seconds.
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SIDEKIQ_LATENCY_BUCKETS = [0.1, 0.25, 0.5, 1, 2.5, 5, 10, 60, 300, 600].freeze
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def initialize
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@metrics = init_metrics
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@metrics[:sidekiq_concurrency].set({}, Sidekiq.options[:concurrency].to_i)
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if ::Gitlab::Database::LoadBalancing.enable?
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@metrics[:sidekiq_load_balancing_count] = ::Gitlab::Metrics.counter(:sidekiq_load_balancing_count, 'Sidekiq jobs with load balancing')
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end
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end
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def call(worker, job, queue)
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# This gives all the sidekiq worker threads a name, so we can recognize them
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# in metrics and can use them in the `ThreadsSampler` for setting a label
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Thread.current.name ||= Gitlab::Metrics::Samplers::ThreadsSampler::SIDEKIQ_WORKER_THREAD_NAME
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labels = create_labels(worker.class, queue, job)
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instrument(job, labels) do
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yield
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end
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end
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protected
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attr_reader :metrics
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def instrument(job, labels)
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queue_duration = ::Gitlab::InstrumentationHelper.queue_duration_for_job(job)
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@metrics[:sidekiq_jobs_queue_duration_seconds].observe(labels, queue_duration) if queue_duration
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@metrics[:sidekiq_running_jobs].increment(labels, 1)
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if job['retry_count'].present?
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@metrics[:sidekiq_jobs_retried_total].increment(labels, 1)
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end
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job_succeeded = false
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monotonic_time_start = Gitlab::Metrics::System.monotonic_time
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job_thread_cputime_start = get_thread_cputime
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begin
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transaction = Gitlab::Metrics::BackgroundTransaction.new
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transaction.run { yield }
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job_succeeded = true
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ensure
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monotonic_time_end = Gitlab::Metrics::System.monotonic_time
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job_thread_cputime_end = get_thread_cputime
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monotonic_time = monotonic_time_end - monotonic_time_start
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job_thread_cputime = job_thread_cputime_end - job_thread_cputime_start
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# sidekiq_running_jobs, sidekiq_jobs_failed_total should not include the job_status label
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@metrics[:sidekiq_running_jobs].increment(labels, -1)
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@metrics[:sidekiq_jobs_failed_total].increment(labels, 1) unless job_succeeded
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# job_status: done, fail match the job_status attribute in structured logging
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labels[:job_status] = job_succeeded ? "done" : "fail"
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instrumentation = job[:instrumentation] || {}
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@metrics[:sidekiq_jobs_cpu_seconds].observe(labels, job_thread_cputime)
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@metrics[:sidekiq_jobs_completion_seconds].observe(labels, monotonic_time)
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@metrics[:sidekiq_jobs_db_seconds].observe(labels, ActiveRecord::LogSubscriber.runtime / 1000)
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@metrics[:sidekiq_jobs_gitaly_seconds].observe(labels, get_gitaly_time(instrumentation))
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@metrics[:sidekiq_redis_requests_total].increment(labels, get_redis_calls(instrumentation))
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@metrics[:sidekiq_redis_requests_duration_seconds].observe(labels, get_redis_time(instrumentation))
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@metrics[:sidekiq_elasticsearch_requests_total].increment(labels, get_elasticsearch_calls(instrumentation))
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@metrics[:sidekiq_elasticsearch_requests_duration_seconds].observe(labels, get_elasticsearch_time(instrumentation))
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if ::Gitlab::Database::LoadBalancing.enable? && job[:database_chosen]
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load_balancing_labels = {
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database_chosen: job[:database_chosen],
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data_consistency: job[:data_consistency]
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}
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@metrics[:sidekiq_load_balancing_count].increment(labels.merge(load_balancing_labels), 1)
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end
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end
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end
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def init_metrics
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{
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sidekiq_jobs_cpu_seconds: ::Gitlab::Metrics.histogram(:sidekiq_jobs_cpu_seconds, 'Seconds of cpu time to run Sidekiq job', {}, SIDEKIQ_LATENCY_BUCKETS),
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sidekiq_jobs_completion_seconds: ::Gitlab::Metrics.histogram(:sidekiq_jobs_completion_seconds, 'Seconds to complete Sidekiq job', {}, SIDEKIQ_LATENCY_BUCKETS),
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sidekiq_jobs_db_seconds: ::Gitlab::Metrics.histogram(:sidekiq_jobs_db_seconds, 'Seconds of database time to run Sidekiq job', {}, SIDEKIQ_LATENCY_BUCKETS),
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sidekiq_jobs_gitaly_seconds: ::Gitlab::Metrics.histogram(:sidekiq_jobs_gitaly_seconds, 'Seconds of Gitaly time to run Sidekiq job', {}, SIDEKIQ_LATENCY_BUCKETS),
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sidekiq_jobs_queue_duration_seconds: ::Gitlab::Metrics.histogram(:sidekiq_jobs_queue_duration_seconds, 'Duration in seconds that a Sidekiq job was queued before being executed', {}, SIDEKIQ_LATENCY_BUCKETS),
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sidekiq_redis_requests_duration_seconds: ::Gitlab::Metrics.histogram(:sidekiq_redis_requests_duration_seconds, 'Duration in seconds that a Sidekiq job spent requests a Redis server', {}, Gitlab::Instrumentation::Redis::QUERY_TIME_BUCKETS),
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sidekiq_elasticsearch_requests_duration_seconds: ::Gitlab::Metrics.histogram(:sidekiq_elasticsearch_requests_duration_seconds, 'Duration in seconds that a Sidekiq job spent in requests to an Elasticsearch server', {}, SIDEKIQ_LATENCY_BUCKETS),
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sidekiq_jobs_failed_total: ::Gitlab::Metrics.counter(:sidekiq_jobs_failed_total, 'Sidekiq jobs failed'),
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sidekiq_jobs_retried_total: ::Gitlab::Metrics.counter(:sidekiq_jobs_retried_total, 'Sidekiq jobs retried'),
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sidekiq_redis_requests_total: ::Gitlab::Metrics.counter(:sidekiq_redis_requests_total, 'Redis requests during a Sidekiq job execution'),
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sidekiq_elasticsearch_requests_total: ::Gitlab::Metrics.counter(:sidekiq_elasticsearch_requests_total, 'Elasticsearch requests during a Sidekiq job execution'),
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sidekiq_running_jobs: ::Gitlab::Metrics.gauge(:sidekiq_running_jobs, 'Number of Sidekiq jobs running', {}, :all),
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sidekiq_concurrency: ::Gitlab::Metrics.gauge(:sidekiq_concurrency, 'Maximum number of Sidekiq jobs', {}, :all)
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}
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end
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private
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def get_thread_cputime
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defined?(Process::CLOCK_THREAD_CPUTIME_ID) ? Process.clock_gettime(Process::CLOCK_THREAD_CPUTIME_ID) : 0
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end
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def get_redis_time(payload)
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payload.fetch(:redis_duration_s, 0)
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end
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def get_redis_calls(payload)
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payload.fetch(:redis_calls, 0)
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end
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def get_elasticsearch_time(payload)
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payload.fetch(:elasticsearch_duration_s, 0)
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end
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def get_elasticsearch_calls(payload)
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payload.fetch(:elasticsearch_calls, 0)
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end
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def get_gitaly_time(payload)
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payload.fetch(:gitaly_duration_s, 0)
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end
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end
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end
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end
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Gitlab::SidekiqMiddleware::ServerMetrics.prepend_mod_with('Gitlab::SidekiqMiddleware::ServerMetrics')
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