199 lines
7.1 KiB
Ruby
199 lines
7.1 KiB
Ruby
# frozen_string_literal: true
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module Gitlab
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module InstrumentationHelper
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extend self
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DURATION_PRECISION = 6 # microseconds
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def init_instrumentation_data(request_ip: nil)
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# Set `request_start_time` only if this is request
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# This is done, as `request_start_time` imply `request_deadline`
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if request_ip
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Gitlab::RequestContext.instance.client_ip = request_ip
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Gitlab::RequestContext.instance.request_start_time = Gitlab::Metrics::System.real_time
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end
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Gitlab::RequestContext.instance.start_thread_cpu_time = Gitlab::Metrics::System.thread_cpu_time
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Gitlab::RequestContext.instance.thread_memory_allocations = Gitlab::Memory::Instrumentation.start_thread_memory_allocations
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end
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def add_instrumentation_data(payload)
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instrument_gitaly(payload)
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instrument_rugged(payload)
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instrument_redis(payload)
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instrument_elasticsearch(payload)
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instrument_throttle(payload)
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instrument_active_record(payload)
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instrument_external_http(payload)
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instrument_rack_attack(payload)
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instrument_cpu(payload)
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instrument_thread_memory_allocations(payload)
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instrument_load_balancing(payload)
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instrument_pid(payload)
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instrument_uploads(payload)
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instrument_rate_limiting_gates(payload)
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end
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def instrument_gitaly(payload)
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gitaly_calls = Gitlab::GitalyClient.get_request_count
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return if gitaly_calls == 0
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payload[:gitaly_calls] = gitaly_calls
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payload[:gitaly_duration_s] = Gitlab::GitalyClient.query_time
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end
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def instrument_rugged(payload)
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rugged_calls = Gitlab::RuggedInstrumentation.query_count
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return if rugged_calls == 0
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payload[:rugged_calls] = rugged_calls
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payload[:rugged_duration_s] = Gitlab::RuggedInstrumentation.query_time
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end
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def instrument_redis(payload)
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payload.merge! ::Gitlab::Instrumentation::Redis.payload
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end
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def instrument_elasticsearch(payload)
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# Elasticsearch integration is only available in EE but instrumentation
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# only depends on the Gem which is also available in FOSS.
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elasticsearch_calls = Gitlab::Instrumentation::ElasticsearchTransport.get_request_count
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return if elasticsearch_calls == 0
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payload[:elasticsearch_calls] = elasticsearch_calls
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payload[:elasticsearch_duration_s] = Gitlab::Instrumentation::ElasticsearchTransport.query_time
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payload[:elasticsearch_timed_out_count] = Gitlab::Instrumentation::ElasticsearchTransport.get_timed_out_count
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end
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def instrument_external_http(payload)
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external_http_count = Gitlab::Metrics::Subscribers::ExternalHttp.request_count
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return if external_http_count == 0
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payload.merge! Gitlab::Metrics::Subscribers::ExternalHttp.payload
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end
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def instrument_throttle(payload)
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safelist = Gitlab::Instrumentation::Throttle.safelist
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payload[:throttle_safelist] = safelist if safelist.present?
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end
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def instrument_active_record(payload)
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db_counters = ::Gitlab::Metrics::Subscribers::ActiveRecord.db_counter_payload
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payload.merge!(db_counters)
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end
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def instrument_rack_attack(payload)
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rack_attack_redis_count = ::Gitlab::Metrics::Subscribers::RackAttack.payload[:rack_attack_redis_count]
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return if rack_attack_redis_count == 0
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payload.merge!(::Gitlab::Metrics::Subscribers::RackAttack.payload)
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end
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def instrument_cpu(payload)
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cpu_s = ::Gitlab::Metrics::System.thread_cpu_duration(
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::Gitlab::RequestContext.instance.start_thread_cpu_time)
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payload[:cpu_s] = cpu_s.round(DURATION_PRECISION) if cpu_s
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end
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def instrument_pid(payload)
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payload[:pid] = Process.pid
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end
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def instrument_thread_memory_allocations(payload)
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counters = ::Gitlab::Memory::Instrumentation.measure_thread_memory_allocations(
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::Gitlab::RequestContext.instance.thread_memory_allocations)
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payload.merge!(counters) if counters
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end
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def instrument_load_balancing(payload)
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load_balancing_payload = ::Gitlab::Metrics::Subscribers::LoadBalancing.load_balancing_payload
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payload.merge!(load_balancing_payload)
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end
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def instrument_uploads(payload)
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payload.merge! ::Gitlab::Instrumentation::Uploads.payload
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end
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def instrument_rate_limiting_gates(payload)
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payload.merge!(::Gitlab::Instrumentation::RateLimitingGates.payload)
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end
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# Returns the queuing duration for a Sidekiq job in seconds, as a float, if the
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# `enqueued_at` field or `created_at` field is available.
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#
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# * If the job doesn't contain sufficient information, returns nil
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# * If the job has a start time in the future, returns 0
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# * If the job contains an invalid start time value, returns nil
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# @param [Hash] job a Sidekiq job, represented as a hash
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def self.queue_duration_for_job(job)
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# Old gitlab-shell messages don't provide enqueued_at/created_at attributes
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enqueued_at = job['enqueued_at'] || job['created_at']
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return unless enqueued_at
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enqueued_at_time = convert_to_time(enqueued_at)
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return unless enqueued_at_time
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round_elapsed_time(enqueued_at_time)
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end
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# Returns the time it took for a scheduled job to be enqueued in seconds, as a float,
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# if the `scheduled_at` and `enqueued_at` fields are available.
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#
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# * If the job doesn't contain sufficient information, returns nil
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# * If the job has a start time in the future, returns 0
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# * If the job contains an invalid start time value, returns nil
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# @param [Hash] job a Sidekiq job, represented as a hash
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def self.enqueue_latency_for_scheduled_job(job)
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scheduled_at = job['scheduled_at']
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enqueued_at = job['enqueued_at']
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return unless scheduled_at && enqueued_at
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scheduled_at_time = convert_to_time(scheduled_at)
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enqueued_at_time = convert_to_time(enqueued_at)
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return unless scheduled_at_time && enqueued_at_time
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round_elapsed_time(scheduled_at_time, enqueued_at_time)
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end
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def self.round_elapsed_time(start, end_time = Time.now)
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# It's possible that if there is clock-skew between two nodes this
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# value may be less than zero. In that event, we record the value
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# as zero.
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[elapsed_by_absolute_time(start, end_time), 0].max.round(DURATION_PRECISION)
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end
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# Calculates the time in seconds, as a float, from
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# the provided start time until now
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#
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# @param [Time] start
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def self.elapsed_by_absolute_time(start, end_time)
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(end_time - start).to_f.round(DURATION_PRECISION)
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end
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private_class_method :elapsed_by_absolute_time
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# Convert a representation of a time into a `Time` value
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#
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# @param time_value String, Float time representation, or nil
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def self.convert_to_time(time_value)
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return time_value if time_value.is_a?(Time)
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return Time.iso8601(time_value) if time_value.is_a?(String)
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return Time.at(time_value) if time_value.is_a?(Numeric) && time_value > 0
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rescue ArgumentError
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# Swallow invalid dates. Better to loose some observability
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# than bring all background processing down because of a date
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# formatting bug in a client
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end
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private_class_method :convert_to_time
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end
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end
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