# File lib/mcollective/discovery/flatfile.rb, line 7 def self.discover(filter, timeout, limit=0, client=nil) unless client.options[:discovery_options].empty? file = client.options[:discovery_options].first else raise "The flatfile discovery method needs a path to a text file" end raise "Cannot read the file %s specified as discovery source" % file unless File.readable?(file) discovered = [] hosts = [] File.readlines(file).each do |host| host = host.chomp.strip if host.empty? || host.match(/^#/) next end raise 'Identities can only match /^[\w\.\-]+$/' unless host.match(/^[\w\.\-]+$/) hosts << host end # this plugin only supports identity filters, do regex matches etc against # the list found in the flatfile if !(filter["identity"].empty?) filter["identity"].each do |identity| identity = Regexp.new(identity.gsub("\/", "")) if identity.match("^/") if identity.is_a?(Regexp) discovered = hosts.grep(identity) elsif hosts.include?(identity) discovered << identity end end else discovered = hosts end discovered end
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