122 lines
4 KiB
Ruby
122 lines
4 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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KEYS = %i(
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gitaly_calls
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gitaly_duration_s
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rugged_calls
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rugged_duration_s
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redis_calls
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redis_duration_s
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redis_read_bytes
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redis_write_bytes
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elasticsearch_calls
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elasticsearch_duration_s
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).freeze
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DURATION_PRECISION = 6 # microseconds
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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_redis_bytes(payload)
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instrument_elasticsearch(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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redis_calls = Gitlab::Instrumentation::Redis.get_request_count
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return if redis_calls == 0
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payload[:redis_calls] = redis_calls
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payload[:redis_duration_s] = Gitlab::Instrumentation::Redis.query_time
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end
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def instrument_redis_bytes(payload)
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redis_read_bytes = Gitlab::Instrumentation::Redis.read_bytes
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redis_write_bytes = Gitlab::Instrumentation::Redis.write_bytes
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return if redis_read_bytes == 0 && redis_write_bytes == 0
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payload[:redis_read_bytes] = redis_read_bytes
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payload[:redis_write_bytes] = redis_write_bytes
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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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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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# Its possible that if theres clock-skew between two nodes
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# this 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(enqueued_at_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)
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(Time.now - start).to_f.round(6)
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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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