139 lines
4.2 KiB
Ruby
139 lines
4.2 KiB
Ruby
require_dependency "backup_restore"
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class Admin::BackupsController < Admin::AdminController
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skip_before_filter :check_xhr, only: [:index, :show, :logs, :check_backup_chunk, :upload_backup_chunk]
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def index
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respond_to do |format|
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format.html do
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store_preloaded("backups", MultiJson.dump(serialize_data(Backup.all, BackupSerializer)))
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store_preloaded("operations_status", MultiJson.dump(BackupRestore.operations_status))
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store_preloaded("logs", MultiJson.dump(BackupRestore.logs))
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render "default/empty"
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end
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format.json do
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render_serialized(Backup.all, BackupSerializer)
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end
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end
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end
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def status
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render_json_dump(BackupRestore.operations_status)
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end
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def create
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BackupRestore.backup!(current_user.id, true)
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rescue BackupRestore::OperationRunningError
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render json: failed_json.merge(message: I18n.t("backup.operation_already_running"))
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else
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render json: success_json
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end
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def cancel
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BackupRestore.cancel!
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rescue BackupRestore::OperationRunningError
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render json: failed_json.merge(message: I18n.t("backup.operation_already_running"))
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else
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render json: success_json
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end
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# download
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def show
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filename = params.fetch(:id)
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if backup = Backup[filename]
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send_file backup.path
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else
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render nothing: true, status: 404
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end
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end
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def destroy
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backup = Backup[params.fetch(:id)]
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if backup
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backup.remove
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render nothing: true
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else
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render nothing: true, status: 404
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end
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end
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def logs
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store_preloaded("operations_status", MultiJson.dump(BackupRestore.operations_status))
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store_preloaded("logs", MultiJson.dump(BackupRestore.logs))
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render "default/empty"
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end
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def restore
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filename = params.fetch(:id)
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BackupRestore.restore!(current_user.id, filename, true)
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rescue BackupRestore::OperationRunningError
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render json: failed_json.merge(message: I18n.t("backup.operation_already_running"))
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else
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render json: success_json
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end
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def rollback
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BackupRestore.rollback!
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rescue BackupRestore::OperationRunningError
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render json: failed_json.merge(message: I18n.t("backup.operation_already_running"))
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else
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render json: success_json
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end
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def readonly
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enable = params.fetch(:enable).to_s == "true"
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enable ? Discourse.enable_readonly_mode : Discourse.disable_readonly_mode
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render nothing: true
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end
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def check_backup_chunk
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identifier = params.fetch(:resumableIdentifier)
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filename = params.fetch(:resumableFilename)
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chunk_number = params.fetch(:resumableChunkNumber)
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current_chunk_size = params.fetch(:resumableCurrentChunkSize).to_i
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# path to chunk file
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chunk = Backup.chunk_path(identifier, filename, chunk_number)
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# check chunk upload status
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status = HandleChunkUpload.check_chunk(chunk, current_chunk_size: current_chunk_size)
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render nothing: true, status: status
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end
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def upload_backup_chunk
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filename = params.fetch(:resumableFilename)
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total_size = params.fetch(:resumableTotalSize).to_i
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return render status: 415, text: I18n.t("backup.backup_file_should_be_tar_gz") unless filename.to_s.end_with?(".tar.gz")
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return render status: 415, text: I18n.t("backup.not_enough_space_on_disk") unless has_enough_space_on_disk?(total_size)
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file = params.fetch(:file)
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identifier = params.fetch(:resumableIdentifier)
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chunk_number = params.fetch(:resumableChunkNumber).to_i
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chunk_size = params.fetch(:resumableChunkSize).to_i
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current_chunk_size = params.fetch(:resumableCurrentChunkSize).to_i
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# path to chunk file
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chunk = Backup.chunk_path(identifier, filename, chunk_number)
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# upload chunk
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HandleChunkUpload.upload_chunk(chunk, file: file)
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uploaded_file_size = chunk_number * chunk_size
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# when all chunks are uploaded
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if uploaded_file_size + current_chunk_size >= total_size
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# merge all the chunks in a background thread
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Jobs.enqueue(:backup_chunks_merger, filename: filename, identifier: identifier, chunks: chunk_number)
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end
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render nothing: true
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end
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private
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def has_enough_space_on_disk?(size)
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`df -Pk . | awk 'NR==2 {print $4 * 1024;}'`.to_i > size
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end
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end
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