Class: Zone

Inherits:
Command show all
Includes:
ConfigReader
Defined in:
lib/zone.rb

Instance Attribute Summary

Attributes inherited from Command

#desc, #name

Instance Method Summary collapse

Methods included from ConfigReader

#config_dir, #config_file, #imkdir, #mk_config_dir, #mk_user_dir, #param, #user_file

Methods inherited from Command

#add_arg, #add_cmd, #add_flow, #add_flow_from_usage, #add_input, #add_option, #add_options, #command_name?, #get_args_used, #init, #initialize, #run, #show_help, #show_help_option

Constructor Details

This class inherits a constructor from Command

Instance Method Details

#alnum_not_command(value) ⇒ Object 



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# File 'lib/zone.rb', line 112

def alnum_not_command(value)
  test = value =~ /[[:alnum:]]+/
  if test
    if command_name? value
      return "name of command", false
    else
      return nil, true
    end
  end
  return "invalid argument", false
end

#create_args ⇒ Object 



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# File 'lib/zone.rb', line 90

def create_args
  add_cmd(ZoneList, "list", "list all owned zones")
  add_cmd(ZonePull, "pull", "retrieve local copy of zone data")
  add_cmd(ZonePush, "push", "push local changes to server")
  add_cmd(ZonePrint, "print", "print zone data.  ~~~~ online, ---- local copy")
  add_cmd(ZoneAdd, "add", "add record/group/healthcheck")
  add_cmd(ZoneCreate, "create", "create new zone")
  add_cmd(ZoneDelete, "delete", "delete zone")
  add_arg("zname", "name or id of zone", :alnum_not_command)
  add_arg("drill-down-param", "names of fields, or indexes of items, for drilling down", :alnum_not_command)
end

#create_flows ⇒ Object 



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# File 'lib/zone.rb', line 102

def create_flows
  add_flow_from_usage("list")
  add_flow_from_usage("create")
  add_flow_from_usage("<zname> pull")
  add_flow_from_usage("<zname> push")
  add_flow_from_usage("<zname> delete")
  add_flow_from_usage("<zname> [<drill-down-param>...] add")
  add_flow_from_usage("<zname> [<drill-down-param>...] [print]")
end

#delete ⇒ Object 



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# File 'lib/zone.rb', line 186

def delete
  id, name = id_and_name
  if (id.nil?)
    zone = get_zone(true)
    id = zone["ZoneId"]
  end
  puts "deleting zone with id #{id}"
  delete_local_zone_files(id)
  Route.do.delete_zone(id)
end

#delete_local_zone_files(id) ⇒ Object 



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# File 'lib/zone.rb', line 179

def delete_local_zone_files(id)
  files = Dir.glob(File.join("#{config_dir}", "zones", "*.#{id}"))
  files.each { |file| File.delete(file) }
  files = Dir.glob(File.join("zones", "*.#{id}"))
  files.each { |file| File.delete(file) }
end

#drill_down(struct, args, level) ⇒ Object 



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# File 'lib/zone.rb', line 274

def drill_down(struct, args, level)
  if struct.class == Array && struct.length > 1 && level =~ /\[\]/
    raise "too many arrays"
  end
  return struct,level if args.length == 0
  if (struct.class == Array)
    if args[0] == 'all'
      result = [ ]
      result_level = nil
      args.shift
      struct.each { |elt|
        drilled_elt, drilled_level = drill_down(elt, args, level + "[]")
        result << drilled_elt
        result_level = drilled_level
      }
      return result, result_level
    end
    if args[0] =~ /\A\d+\Z/
      index = args.shift.to_i
      if index > struct.length || index <= 0
        raise "index #{index} out of bounds"
      end
    elsif struct.length == 1
      index = 1
    else
      args.unshift "all"
      return drill_down(struct, args, level)
      # raise "argument #{args[0]} not understood"
    end
    drill_down(struct[index - 1], args, level + "[#{index}]")
  elsif (struct.class == Hash)
    args = args.clone
    key = args.shift
    fullkey = match_key(key, struct)
    raise "no (unique) key matches " + key if ! fullkey
    drill_down(struct[fullkey], args, level + ".#{fullkey}")
  else
    raise "argument #{args[0]} not understood"
  end
end

#execute(args, rest) ⇒ Object 



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# File 'lib/zone.rb', line 124

def execute(args, rest)
  @zname = args["zname"]
  command = args["command"]
  ddparams = args["drill-down-param"]
  if ddparams
    zone = get_zone
    struct, level = drill_down(zone, ddparams, "zone")
    command.add_input("struct", struct)
    command.add_input("level", level)
    command.add_input("sep_char", @sep_char)
    command.add_input("toplevel", zone)
  end
  if command
    command.add_input("zone", self)
    command.run(rest)
  else
    raise "error"
  end
end

#force_online ⇒ Object 



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# File 'lib/zone.rb', line 320

def force_online
  @force_online = true
end

#get_zone(forceRest = false) ⇒ Object 



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# File 'lib/zone.rb', line 208

def get_zone(forceRest = false)
  @sep_char = "-"
  zonedir = mk_user_dir("zones")
  zone = nil
  id, name = id_and_name
  if @zname
    if ! forceRest
      if id.nil?
        r = name + '\.\d+'
      else
        r = '.*\.' + id
      end
      regex = Regexp.new(r)
      Dir.new(zonedir).each { |file|
        if (file.full_match regex) && (! @force_online)
          path = File.join(zonedir, file)
          zone = JSON.parse(File.open(path).read)
        end
      }
    end
    if (zone.nil?)
      dputs "getting zone with id=#{id} and name=#{name}"
      @sep_char = "~"
      zone = Route.do.get_zone(id, name)
      if zone['Records'].nil?
        zone['Records'] = {
          "A"=> [ ],
          "AAAA"=> [ ],
          "CNAME"=> [ ],
          "MX"=> [ ],
          "NS"=> [ ],
          "SPF"=> [ ],
          "SRV"=> [ ],
          "TXT"=> [ ]
        }
      end
      if zone.nil?
        raise "zone doesn't exist or is empty"
      end
      if $debug
        File.open("raw.zone","w").write(zone)
      end
      Route.do.translate_zone(zone)
    end
  end
  zone
end

#id_and_name ⇒ Object 



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# File 'lib/zone.rb', line 197

def id_and_name
  id = name = nil
  if  @zname.to_s.full_match /\d+/
    id = @zname
  else
    name = @zname
  end
  name = name.sub(/\.\Z/, "") if ! name.nil?
  return id, name
end

#local_filename(zone) ⇒ Object 



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# File 'lib/zone.rb', line 154

def local_filename(zone)
  file_name = zone["DomainName"].sub(/\.\Z/, '')
  file_name = file_name + '.' + zone["ZoneId"].to_s
end

#match_key(abbrev, struct) ⇒ Object

let user lowercase and abbreviate key; abbreviation must match one key



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# File 'lib/zone.rb', line 257

def match_key(abbrev, struct)
  abbrev = abbrev.downcase
  key = nil
  struct.keys.each { |fullkey|
    testkey = fullkey.downcase
    return fullkey if abbrev == testkey
    if fullkey.downcase.start_with?(abbrev)
      if (! key)
        key = fullkey
      else
        return nil
      end
    end
  }
  key
end

#pull ⇒ Object 



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# File 'lib/zone.rb', line 173

def pull
  zone = get_zone(true)
  file_name = write_zone_file(zone, true)
  puts "'#{file_name}' saved locally"
end

#push ⇒ Object 



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# File 'lib/zone.rb', line 144

def push
  puts "pushing zone to server"
  zone = get_zone
  Route.do.untranslate_zone(zone)
  if $debug
    File.open("untranslated.zone","w").write(JSON.pretty_generate zone)
  end
  Route.do.update_zone(zone)
end

#set_format ⇒ Object 



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# File 'lib/zone.rb', line 315

def set_format
  puts "in zone.set_format"
  @format = :json
end

#write_zone_file(zone, hide_dup = false) ⇒ Object 



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# File 'lib/zone.rb', line 159

def write_zone_file(zone, hide_dup = false)
  basename = local_filename(zone)
  if hide_dup
    mk_config_dir("zones")
    file_name = config_file("zones", basename)
    File.delete(file_name) if File.exists?(file_name)
    File.open(file_name, "w").write(JSON.pretty_generate zone)
  end
  file_name = user_file("zones", basename)
  File.delete(file_name) if File.exists?(file_name)
  File.open(file_name, "w").write(JSON.pretty_generate zone)
  file_name
end