request url: http://#{@sched_host}:#{@sched_port}/boot.libvirt/mac/#{@info['mac']} Signed-off-by: Xiao Shenwei <xiaoshenwei96@163.com> --- providers/libvirt/lib/consumer.rb | 85 +++++++++++++++++++++++++++++++ 1 file changed, 85 insertions(+) create mode 100644 providers/libvirt/lib/consumer.rb diff --git a/providers/libvirt/lib/consumer.rb b/providers/libvirt/lib/consumer.rb new file mode 100644 index 0000000..f1477fe --- /dev/null +++ b/providers/libvirt/lib/consumer.rb @@ -0,0 +1,85 @@ +# SPDX-License-Identifier: MulanPSL-2.0+ +# Copyright (c) 2020 Huawei Technologies Co., Ltd. All rights reserved. +# frozen_string_literal: true + +require 'set' +require 'yaml' +require 'json' +require 'rest-client' +require_relative "#{ENV['CCI_SRC']}/container/defconfig" + +# register hostname mac queues +# request scheduler +class Consumer + attr_reader :info + + def initialize(hostname, queues, logger) + @logger = logger + @info = { 'hostname' => hostname, 'queues' => queues } + host_exists + parse_mac_from_hostname + defconfig + register_info + end + + def connect + res = RestClient.get("http://#{@sched_host}:#{@sched_port}/boot.libvirt/mac/#{@info['mac']}") + if res.empty? + @logger.error('Can not connect scheduler') + raise 'Can not connect scheduler' + end + JSON.parse(res) + end + + def clean_info + RestClient.put( + "http://#{@sched_host}:#{@sched_port}/del_host_mac?mac=#{@info['mac']}", {} + ) + RestClient.put( + "http://#{@sched_host}:#{@sched_port}/del_host2queues?host=#{@info['hostname']}", {} + ) + end + + private + + def defconfig + names = Set.new %w[ + SCHED_HOST + SCHED_PORT + ] + defaults = relevant_defaults(names) + @sched_host = defaults['SCHED_HOST'] || '172.17.0.1' + @sched_port = defaults['SCHED_PORT'] || 3000 + @logger.info("SCHED_HOST: #{@sched_host}") + @logger.info("SCHED_PORT: #{@sched_port}") + end + + def parse_mac_from_hostname + # TODO + # use digest/md5 replace + cmd = %(echo #{@info['hostname']} | + md5sum | + sed "s/^\\(..\\)\\(..\\)\\(..\\)\\(..\\)\\(..\\).*$/0a-\\1-\\2-\\3-\\4-\\5/" + ) + @info['mac'] = %x(#{cmd}).chomp + @logger.info("Mac address: #{@info['mac']}") + end + + def register_info + RestClient.put( + "http://#{@sched_host}:#{@sched_port}/set_host_mac?hostname=#{@info['hostname']}&mac=#{@info['mac']}", {} + ) + RestClient.put( + "http://#{@sched_host}:#{@sched_port}/set_host2queues?host=#{@info['hostname']}&queues=#{@info['queues']}", {} + ) + end + + def host_exists + @info['host'] = @info['hostname'].split('.')[0] + host_file = "#{ENV['LKP_SRC']}/hosts/#{@info['host']}" + return if FileTest.exists?(host_file) + + @logger.error("The file does't exist: #{host_file}") + raise "The file does't exist: #{host_file}" + end +end -- 2.23.0