45 lines
1.5 KiB
Ruby
45 lines
1.5 KiB
Ruby
# frozen_string_literal: true
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#
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# Copyright (C) 2020 - present Instructure, Inc.
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#
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# This file is part of Canvas.
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#
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# Canvas is free software: you can redistribute it and/or modify it under
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# the terms of the GNU Affero General Public License as published by the Free
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# Software Foundation, version 3 of the License.
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#
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# Canvas is distributed in the hope that it will be useful, but WITHOUT ANY
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# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
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# A PARTICULAR PURPOSE. See the GNU Affero General Public License for more
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# details.
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#
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# You should have received a copy of the GNU Affero General Public License along
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# with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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class LocalCache
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# Useful for things that can be shared by all processes on a box, but which
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# should not be stored on the distributed redis cache. Vaulted credentials
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# are a good example.
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class << self
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delegate :clear, :delete, :delete_matched, :fetch, :fetch_without_expiration, :read, :write, :write_set, to: :cache
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def cache
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unless defined?(@local_cache)
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lc_config = ConfigFile.load("local_cache")
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if lc_config && lc_config[:store] == "redis"
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@local_cache = Canvas::Cache::LocalRedisCache.new(lc_config)
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else
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@local_cache = Canvas::Cache::FallbackMemoryCache.new
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end
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end
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@local_cache
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end
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def reset
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remove_instance_variable(:@local_cache) if instance_variable_defined?(:@local_cache)
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end
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end
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Canvas::Reloader.on_reload { reset }
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end |