99 lines
2.1 KiB
Ruby
99 lines
2.1 KiB
Ruby
# frozen_string_literal: true
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# rubocop:disable Rails/ApplicationController
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class ChaosController < ActionController::Base
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before_action :validate_chaos_secret, unless: :development_or_test?
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def leakmem
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do_chaos :leak_mem, Chaos::LeakMemWorker, memory_mb, duration_s
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end
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def cpu_spin
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do_chaos :cpu_spin, Chaos::CpuSpinWorker, duration_s
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end
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def db_spin
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do_chaos :db_spin, Chaos::DbSpinWorker, duration_s, interval_s
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end
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def sleep
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do_chaos :sleep, Chaos::SleepWorker, duration_s
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end
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def kill
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do_chaos :kill, Chaos::KillWorker, 'KILL'
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end
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def quit
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do_chaos :kill, Chaos::KillWorker, 'QUIT'
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end
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def gc
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gc_stat = Gitlab::Chaos.run_gc
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render json: {
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worker_id: ::Prometheus::PidProvider.worker_id,
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gc_stat: gc_stat
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}
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end
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private
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def do_chaos(method, worker, *args)
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if async
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worker.perform_async(*args)
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else
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Gitlab::Chaos.public_send(method, *args) # rubocop: disable GitlabSecurity/PublicSend
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end
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render plain: "OK"
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end
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def validate_chaos_secret
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unless chaos_secret_configured
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render plain: "chaos misconfigured: please configure GITLAB_CHAOS_SECRET",
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status: :internal_server_error
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return
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end
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unless Devise.secure_compare(chaos_secret_configured, chaos_secret_request)
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render plain: "To experience chaos, please set a valid `X-Chaos-Secret` header or `token` param",
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status: :unauthorized
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end
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end
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def chaos_secret_configured
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ENV['GITLAB_CHAOS_SECRET']
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end
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def chaos_secret_request
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request.headers["HTTP_X_CHAOS_SECRET"] || params[:token]
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end
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def interval_s
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interval_s = params[:interval_s] || 1
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interval_s.to_f.seconds
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end
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def duration_s
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duration_s = params[:duration_s] || 30
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duration_s.to_i.seconds
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end
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def memory_mb
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memory_mb = params[:memory_mb] || 100
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memory_mb.to_i
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end
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def async
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async = params[:async] || false
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Gitlab::Utils.to_boolean(async)
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end
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def development_or_test?
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Rails.env.development? || Rails.env.test?
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end
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end
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# rubocop:enable Rails/ApplicationController
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