gitlab-org--gitlab-foss/lib/gitlab/health_checks/db_check.rb

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module Gitlab
module HealthChecks
class DbCheck
extend SimpleAbstractCheck
class << self
private
def metric_prefix
'db_ping'
end
def successful?(result)
result == '1'
end
def check
catch_timeout 10.seconds do
if Gitlab::Database.postgresql?
ActiveRecord::Base.connection.execute('SELECT 1 as ping')&.first&.[]('ping')
else
ActiveRecord::Base.connection.execute('SELECT 1 as ping')&.first&.first&.to_s
end
end
end
end
end
end
end