module Oxidized require 'resolv' require 'ostruct' require_relative 'node/stats' class MethodNotFound < OxidizedError; end class ModelNotFound < OxidizedError; end class Node attr_reader :name, :ip, :model, :input, :output, :group, :auth, :prompt, :vars, :last, :repo attr_accessor :running, :user, :email, :msg, :from, :stats, :retry alias :running? :running def initialize opt Oxidized.logger.debug 'resolving DNS for %s...' % opt[:name] # remove the prefix if an IP Address is provided with one as IPAddr converts it to a network address. ip_addr, _ = opt[:ip].to_s.split("/") Oxidized.logger.debug 'IPADDR %s' % ip_addr.to_s @name = opt[:name] @ip = IPAddr.new(ip_addr).to_s rescue nil @ip ||= Resolv.new.getaddress(@name) if Oxidized.config.resolve_dns? @ip ||= @name @group = opt[:group] @model = resolve_model opt @input = resolve_input opt @output = resolve_output opt @auth = resolve_auth opt @prompt = resolve_prompt opt @vars = opt[:vars] @stats = Stats.new @retry = 0 @repo = resolve_repo opt # model instance needs to access node instance @model.node = self end def run status, config = :fail, nil @input.each do |input| # don't try input if model is missing config block, we may need strong config to class_name map cfg_name = input.to_s.split('::').last.downcase next unless @model.cfg[cfg_name] and not @model.cfg[cfg_name].empty? @model.input = input = input.new if config = run_input(input) Oxidized.logger.debug "lib/oxidized/node.rb: #{input.class.name} ran for #{name} successfully" status = :success break else Oxidized.logger.debug "lib/oxidized/node.rb: #{input.class.name} failed for #{name}" status = :no_connection end end @model.input = nil [status, config] end def run_input input rescue_fail = {} [input.class::RescueFail, input.class.superclass::RescueFail].each do |hash| hash.each do |level, errors| errors.each do |err| rescue_fail[err] = level end end end begin input.connect(self) and input.get rescue *rescue_fail.keys => err resc = '' if not level = rescue_fail[err.class] resc = err.class.ancestors.find { |e| rescue_fail.keys.include? e } level = rescue_fail[resc] resc = " (rescued #{resc})" end Oxidized.logger.send(level, '%s raised %s%s with msg "%s"' % [self.ip, err.class, resc, err.message]) return false rescue => err file = Oxidized::Config::Crash + '.' + self.ip.to_s open file, 'w' do |fh| fh.puts Time.now.utc fh.puts err.message + ' [' + err.class.to_s + ']' fh.puts '-' * 50 fh.puts err.backtrace end Oxidized.logger.error '%s raised %s with msg "%s", %s saved' % [self.ip, err.class, err.message, file] return false end end def serialize h = { :name => @name, :full_name => @name, :ip => @ip, :group => @group, :model => @model.class.to_s, :last => nil, :vars => @vars, :mtime => @stats.mtime, } h[:full_name] = [@group, @name].join('/') if @group if @last h[:last] = { :start => @last.start, :end => @last.end, :status => @last.status, :time => @last.time, } end h end def last= job if job ostruct = OpenStruct.new ostruct.start = job.start ostruct.end = job.end ostruct.status = job.status ostruct.time = job.time @last = ostruct else @last = nil end end def reset @user = @email = @msg = @from = nil @retry = 0 end def modified @stats.update_mtime end private def resolve_prompt opt opt[:prompt] || @model.prompt || Oxidized.config.prompt end def resolve_auth opt # Resolve configured username/password { username: resolve_key(:username, opt), password: resolve_key(:password, opt), } end def resolve_input opt inputs = resolve_key :input, opt, Oxidized.config.input.default inputs.split(/\s*,\s*/).map do |input| if not Oxidized.mgr.input[input] Oxidized.mgr.add_input input or raise MethodNotFound, "#{input} not found for node #{ip}" end Oxidized.mgr.input[input] end end def resolve_output opt output = resolve_key :output, opt, Oxidized.config.output.default if not Oxidized.mgr.output[output] Oxidized.mgr.add_output output or raise MethodNotFound, "#{output} not found for node #{ip}" end Oxidized.mgr.output[output] end def resolve_model opt model = resolve_key :model, opt if not Oxidized.mgr.model[model] Oxidized.logger.debug "lib/oxidized/node.rb: Loading model #{model.inspect}" Oxidized.mgr.add_model model or raise ModelNotFound, "#{model} not found for node #{ip}" end Oxidized.mgr.model[model].new end def resolve_repo opt type = git_type opt return nil unless type remote_repo = Oxidized.config.output.send(type).repo if remote_repo.is_a?(::String) if Oxidized.config.output.send(type).single_repo? || @group.nil? remote_repo else File.join(File.dirname(remote_repo), @group + '.git') end else remote_repo[@group] end end def resolve_key key, opt, global = nil # resolve key, first get global, then get group then get node config key_sym = key.to_sym key_str = key.to_s value = global Oxidized.logger.debug "node.rb: resolving node key '#{key}', with passed global value of '#{value}' and node value '#{opt[key_sym]}'" # global if not value and Oxidized.config.has_key?(key_str) value = Oxidized.config[key_str] Oxidized.logger.debug "node.rb: setting node key '#{key}' to value '#{value}' from global" end # group if Oxidized.config.groups.has_key?(@group) if Oxidized.config.groups[@group].has_key?(key_str) value = Oxidized.config.groups[@group][key_str] Oxidized.logger.debug "node.rb: setting node key '#{key}' to value '#{value}' from group" end end # model if Oxidized.config.models.has_key?(@model.class.name.to_s.downcase) if Oxidized.config.models[@model.class.name.to_s.downcase].has_key?(key_str) value = Oxidized.config.models[@model.class.name.to_s.downcase][key_str] Oxidized.logger.debug "node.rb: setting node key '#{key}' to value '#{value}' from model" end end # node value = opt[key_sym] || value Oxidized.logger.debug "node.rb: returning node key '#{key}' with value '#{value}'" value end def git_type type = opt[:output] || Oxidized.config.output.default return nil unless type[0..2] == "git" type end end end