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# frozen_string_literal: true
module Gitlab
module Checks
class TimedLogger
TimeoutError = Class.new(StandardError)
attr_reader :start_time, :header, :log, :timeout
def initialize(start_time: Time.now, log: [], header: "", timeout:)
@start_time = start_time
@timeout = timeout
@header = header
@log = log
end
# Adds trace of method being tracked with
# the correspondent time it took to run it.
# We make use of the start default argument
# on unit tests related to this method
#
def log_timed(log_message, start = Time.now)
check_timeout_reached
timed = true
yield
append_message(log_message + time_suffix_message(start: start))
rescue GRPC::DeadlineExceeded, TimeoutError
args = { cancelled: true }
args[:start] = start if timed
append_message(log_message + time_suffix_message(**args))
raise TimeoutError
end
def check_timeout_reached
return unless time_expired?
raise TimeoutError
end
def time_left
(start_time + timeout.seconds) - Time.now
end
def full_message
header + log.join("\n")
end
# We always want to append in-place on the log
def append_message(message)
log << message
end
private
def time_expired?
time_left <= 0
end
def time_suffix_message(cancelled: false, start: nil)
return " (#{elapsed_time(start)}ms)" unless cancelled
if start
" (cancelled after #{elapsed_time(start)}ms)"
else
" (cancelled)"
end
end
def elapsed_time(start)
to_ms(Time.now - start)
end
def to_ms(elapsed)
(elapsed.to_f * 1000).round(2)
end
end
end
end
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