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# frozen_string_literal: true
module Gitlab
module HealthChecks
module SimpleAbstractCheck
include BaseAbstractCheck
def readiness
check_result = check
return if check_result.nil?
if successful?(check_result)
HealthChecks::Result.new(name, true)
elsif check_result.is_a?(Timeout::Error)
HealthChecks::Result.new(name, false, "#{human_name} check timed out")
else
HealthChecks::Result.new(name, false, "unexpected #{human_name} check result: #{check_result}")
end
rescue => e
HealthChecks::Result.new(name, false, "unexpected #{human_name} check result: #{e}")
end
def metrics
result, elapsed = with_timing(&method(:check))
return if result.nil?
Gitlab::AppLogger.error("#{human_name} check returned unexpected result #{result}") unless successful?(result)
[
metric("#{metric_prefix}_timeout", result.is_a?(Timeout::Error) ? 1 : 0),
metric("#{metric_prefix}_success", successful?(result) ? 1 : 0),
metric("#{metric_prefix}_latency_seconds", elapsed)
]
end
private
def metric_prefix
raise NotImplementedError
end
def successful?(result)
raise NotImplementedError
end
def check
raise NotImplementedError
end
end
end
end
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