91 lines
2.4 KiB
Ruby
91 lines
2.4 KiB
Ruby
class Backup
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include UrlHelper
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include ActiveModel::SerializerSupport
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attr_reader :filename
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attr_accessor :size, :path, :link
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def initialize(filename)
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@filename = filename
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end
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def self.all
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backups = Dir.glob(File.join(Backup.base_directory, "*.tar.gz"))
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backups.sort.reverse.map { |backup| Backup.create_from_filename(File.basename(backup)) }
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end
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def self.[](filename)
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path = File.join(Backup.base_directory, filename)
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if File.exists?(path)
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Backup.create_from_filename(filename)
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else
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nil
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end
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end
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def remove
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File.delete(@path) if File.exists?(path)
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after_remove_hook
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end
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def after_create_hook
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upload_to_s3 if SiteSetting.enable_s3_backups?
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end
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def after_remove_hook
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remove_from_s3 if SiteSetting.enable_s3_backups?
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end
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def upload_to_s3
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return unless fog_directory
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fog_directory.files.create(key: @filename, public: false, body: File.read(@path))
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end
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def remove_from_s3
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return unless fog
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fog.delete_object(SiteSetting.s3_backup_bucket, @filename)
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end
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def self.base_directory
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File.join(Rails.root, "public", "backups", RailsMultisite::ConnectionManagement.current_db)
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end
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def self.chunk_path(identifier, filename, chunk_number)
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File.join(Backup.base_directory, "tmp", identifier, "#{filename}.part#{chunk_number}")
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end
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def self.create_from_filename(filename)
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Backup.new(filename).tap do |b|
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b.path = File.join(Backup.base_directory, b.filename)
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b.link = b.schemaless "#{Discourse.base_url}/admin/backups/#{b.filename}"
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b.size = File.size(b.path)
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end
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end
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def self.remove_old
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all_backups = Backup.all
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return unless all_backups.size > SiteSetting.maximum_backups
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all_backups[SiteSetting.maximum_backups..-1].each {|b| b.remove}
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end
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private
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def fog
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return @fog if @fog
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return unless SiteSetting.s3_access_key_id.present? &&
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SiteSetting.s3_secret_access_key.present? &&
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SiteSetting.s3_backup_bucket.present?
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require 'fog'
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@fog = Fog::Storage.new(provider: 'AWS',
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aws_access_key_id: SiteSetting.s3_access_key_id,
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aws_secret_access_key: SiteSetting.s3_secret_access_key)
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end
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def fog_directory
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return @fog_directory if @fog_directory
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return unless fog
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@fog_directory ||= fog.directories.get(SiteSetting.s3_backup_bucket)
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end
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end
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