49 lines
1.9 KiB
Ruby
49 lines
1.9 KiB
Ruby
# frozen_string_literal: true
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#
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# Copyright (C) 2011 - 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 MultiCache
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class << self
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delegate :fetch, :delete, :validate_consul_event, to: :cache
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def cache
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unless defined?(@multi_cache)
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ha_cache_config = YAML.safe_load(Canvas::DynamicSettings.find(tree: :private, cluster: Canvas.cluster)["ha_cache.yml"] || "{}").symbolize_keys || {}
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@multi_cache = if ha_cache_config[:cache_store]
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ha_cache_config[:url] = ha_cache_config[:servers] if ha_cache_config[:servers]
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ActiveSupport::Cache.lookup_store(ha_cache_config[:cache_store].to_sym, ha_cache_config)
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else
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config = Canvas.cache_store_config_for(Rails.env).dup || {}
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# MultiCache has to have an expiration
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config[:expires_in] ||= 300
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Canvas.lookup_cache_store(config, Rails.env)
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end
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@multi_cache.options.delete(:namespace) # remove the namespace that switchman added; MultiCache is global
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end
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@multi_cache
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end
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def reset
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remove_instance_variable(:@multi_cache) if instance_variable_defined?(:@multi_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
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