Source code for the custom Mastodon (Glitchsoc) instance on berserker.town.
https://berserker.town/
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19 lines
749 B
19 lines
749 B
# frozen_string_literal: true
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module Lockable
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# @param [String] lock_name
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# @param [ActiveSupport::Duration] autorelease Automatically release the lock after this time
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# @param [Boolean] raise_on_failure Raise an error if a lock cannot be acquired, or fail silently
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# @raise [Mastodon::RaceConditionError]
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def with_redis_lock(lock_name, autorelease: 15.minutes, raise_on_failure: true)
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with_redis do |redis|
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RedisLock.acquire(redis: redis, key: "lock:#{lock_name}", autorelease: autorelease.seconds) do |lock|
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if lock.acquired?
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yield
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elsif raise_on_failure
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raise Mastodon::RaceConditionError, "Could not acquire lock for #{lock_name}, try again later"
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end
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end
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end
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end
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end
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