Revision 8fcaacd6
Added by Marc Dequènes about 14 years ago
- ID 8fcaacd6b9f666dcfb94138e296b2c320fe9799f
| lib/cyborghood/services/dns.rb | ||
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require 'fileutils'
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# ensure we can find the needed programs (should be handled somewhere else)
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ENV['PATH'] = (ENV['PATH'].split(":") + ["/sbin", "/usr/sbin", "/usr/local/sbin"]).uniq.join(":")
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module CyborgHood
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module Services
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class DNS
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def initialize
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@config = Config.instance
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@zone_files_pattern = @config.dns.master_zone_pattern.gsub("#ZONE#", "*")
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@zone_files_regex = Regexp.new("^" + @config.dns.master_zone_pattern.gsub("#ZONE#", "(.*)") + "$")
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end
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def zones(zone = nil)
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if zone.nil?
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Dir.glob(@zone_files_pattern).collect do |file|
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$1 if file =~ @zone_files_regex
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end
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else
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Zone.new(zone)
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end
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end
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end
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class Zone
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attr_reader :zone
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attr_accessor :content
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| ... | ... | |
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@content = nil
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@filename = @config.dns.master_zone_pattern.gsub("#ZONE#", @zone)
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# ensure we can find the needed programs (should be handled somewhere else)
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ENV['PATH'] = (ENV['PATH'].split(":") + ["/sbin", "/usr/sbin", "/usr/local/sbin"]).uniq.join(":")
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end
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def read_zone
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| ... | ... | |
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end
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def serial
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case @config.dns.nameserver || :bind
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when :bind
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case @config.dns.software
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when 'bind'
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output = []
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begin
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IO.popen("named-checkzone -i none '#{@zone}' #{@filename}") do |fp|
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output << fp.gets.chomp! until fp.eof?
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end
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rescue
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raise CyberError.new(:unrecoverable, "services/dns", "zone serial for '#{@zone}' could not be found")
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raise CyberError.new(:unrecoverable, "services/dns", "zone serial for '#{@zone}' could not be found (I/O error)")
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end
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raise CyberError.new(:unrecoverable, "services/dns", "zone serial for '#{@zone}' could not be found (#{output.first})") unless $?.success?
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if $? == 0
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serial = nil
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| ... | ... | |
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else
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nil
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end
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else
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# TODO: should be checked at startup time
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raise CyberError.new(:unrecoverable, "services/dns", "erroneous configuration: unknown nameserver")
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end
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end
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def check_zone_file(filename)
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case @config.dns.nameserver || :bind
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when :bind
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case @config.dns.software
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when 'bind'
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output = []
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begin
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IO.popen("named-checkzone '#{@zone}' #{filename}") do |fp|
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| ... | ... | |
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else
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return {:ok => false, :errors => messages}.to_ostruct
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end
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else
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# TODO: should be checked at startup time
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raise CyberError.new(:unrecoverable, "services/dns", "erroneous configuration: unknown nameserver")
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end
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end
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Also available in: Unified diff
[evol] work on cyborg server protocol and API #7 (refs #31)