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module Gitlab
module HealthChecks
module SimpleAbstractCheck
include BaseAbstractCheck
def readiness
check_result = check
if is_successful?(check_result)
HealthChecks::Result.new(true)
elsif check_result.is_a?(Timeout::Error)
HealthChecks::Result.new(false, "#{human_name} check timed out")
else
HealthChecks::Result.new(false, "unexpected #{human_name} check result: #{check_result}")
end
end
def metrics
with_timing method(:check) do |result, elapsed|
Rails.logger.error("#{human_name} check returned unexpected result #{result}") unless is_successful?(result)
[
metric("#{metric_prefix}_timeout", result.is_a?(Timeout::Error) ? 1 : 0),
metric("#{metric_prefix}_success", is_successful?(result) ? 1 : 0),
metric("#{metric_prefix}_latency", elapsed)
]
end
end
private
def metric_prefix
raise NotImplementedError
end
def is_successful?(result)
raise NotImplementedError
end
def check
raise NotImplementedError
end
end
end
end
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