debian-mirror-gitlab/lib/gitlab/mail_room.rb

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# frozen_string_literal: true
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require 'yaml'
require 'json'
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require 'pathname'
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require_relative 'redis/queues' unless defined?(Gitlab::Redis::Queues)
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# This service is run independently of the main Rails process,
# therefore the `Rails` class and its methods are unavailable.
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module Gitlab
module MailRoom
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RAILS_ROOT_DIR = Pathname.new('../..').expand_path(__dir__).freeze
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DEFAULT_CONFIG = {
enabled: false,
port: 143,
ssl: false,
start_tls: false,
mailbox: 'inbox',
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idle_timeout: 60,
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log_path: RAILS_ROOT_DIR.join('log', 'mail_room_json.log'),
expunge_deleted: false
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}.freeze
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# Email specific configuration which is merged with configuration
# fetched from YML config file.
ADDRESS_SPECIFIC_CONFIG = {
incoming_email: {
queue: 'email_receiver',
worker: 'EmailReceiverWorker'
},
service_desk_email: {
queue: 'service_desk_email_receiver',
worker: 'ServiceDeskEmailReceiverWorker'
}
}.freeze
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class << self
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def enabled_configs
@enabled_configs ||= configs.select { |config| enabled?(config) }
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end
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private
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def enabled?(config)
config[:enabled] && !config[:address].to_s.empty?
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end
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def configs
ADDRESS_SPECIFIC_CONFIG.keys.map { |key| fetch_config(key) }
end
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def fetch_config(config_key)
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return {} unless File.exist?(config_file)
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config = merged_configs(config_key)
config.merge!(redis_config) if enabled?(config)
config[:log_path] = File.expand_path(config[:log_path], RAILS_ROOT_DIR)
config
end
def merged_configs(config_key)
yml_config = load_yaml.fetch(config_key, {})
specific_config = ADDRESS_SPECIFIC_CONFIG.fetch(config_key, {})
DEFAULT_CONFIG.merge(specific_config, yml_config) do |_key, oldval, newval|
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newval.nil? ? oldval : newval
end
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end
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def redis_config
gitlab_redis_queues = Gitlab::Redis::Queues.new(rails_env)
config = { redis_url: gitlab_redis_queues.url }
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if gitlab_redis_queues.sentinels?
config[:sentinels] = gitlab_redis_queues.sentinels
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end
config
end
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def rails_env
@rails_env ||= ENV['RAILS_ENV'] || ENV['RACK_ENV'] || 'development'
end
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def config_file
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ENV['MAIL_ROOM_GITLAB_CONFIG_FILE'] || File.expand_path('../../config/gitlab.yml', __dir__)
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end
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def load_yaml
@yaml ||= YAML.load_file(config_file)[rails_env].deep_symbolize_keys
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end
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end
end
end