Do a SIGQUIT (graceful shutdown, allow workers to finish current request) before doing a SIGTERM (immediate shutdown).
26 lines
625 B
Ruby
26 lines
625 B
Ruby
# https://bogomips.org/unicorn/SIGNALS.html
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namespace :unicorn do
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desc "Terminate unicorn processes (blocks until complete)"
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task :terminate do
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on roles(:app) do
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within current_path do
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kill_unicorn("SIGQUIT")
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sleep(10)
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kill_unicorn("SIGTERM")
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sleep(2)
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kill_unicorn("SIGKILL")
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end
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end
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end
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def unicorn_running?
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test("[ -f #{fetch(:unicorn_pid)} ] && pkill --count --pidfile #{fetch(:unicorn_pid)}")
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end
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def kill_unicorn(signal)
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if unicorn_running?
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execute :pkill, "--signal #{signal}", "--pidfile #{fetch(:unicorn_pid)}"
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end
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end
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end
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