Class: Junos::Ez::LAGports::Provider

Inherits:
Provider::Parent show all
Defined in:
lib/junos-ez/lag_ports.rb,
lib/junos-ez/lag_ports.rb,
lib/junos-ez/lag_ports.rb,
lib/junos-ez/lag_ports.rb

Overview

_PRIVATE methods

Instance Attribute Summary

Attributes inherited from Provider::Parent

#catalog, #has, #list, #name, #ndev, #parent, #properties, #providers, #should

Instance Method Summary collapse

Methods inherited from Provider::Parent

#[], #[]=, #activate!, #active?, #catalog!, #create, #create!, #create_from_hash!, #create_from_yaml!, #deactivate!, #delete!, #each, #exists?, #init_has, #initialize, #is_new?, #is_provider?, #list!, #name_decorated, #need_write?, #read!, #rename!, #reorder!, #select, #to_h, #to_h_expanded, #to_yaml, #with, #write!, #xml_at_edit, #xml_build_change, #xml_change__active, #xml_change__exist, #xml_change_admin, #xml_change_description, #xml_element_newname

Constructor Details

This class inherits a constructor from Junos::Ez::Provider::Parent

Instance Method Details

#_get_port_list(name) ⇒ Object 



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# File 'lib/junos-ez/lag_ports.rb', line 259

def _get_port_list( name )
  @ndev.rpc.get_interface_information(
    :detail => true,
    :interface_name => name + '.0'
  ).xpath('//lag-link/name').collect{ |name| 
    name.text.strip.split('.',2).first 
  }
end

#build_catalog ⇒ Object 



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# File 'lib/junos-ez/lag_ports.rb', line 233

def build_catalog
  return @catalog if list!.empty?
  
  list.each do |ae_name|
    @ndev.rpc.get_configuration{ |xml|
      xml.interfaces {
        xml.interface {
          xml.name ae_name
        }
      }
    }.xpath('interfaces/interface').each do |as_xml|
      @catalog[ae_name] = {}
      xml_read_parser( as_xml, @catalog[ae_name] )
    end
  end    
  
  @catalog
end

#build_list ⇒ Object 



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# File 'lib/junos-ez/lag_ports.rb', line 226

def build_list    
  @ndev.rpc.get_interface_information(
    :terse => true,
    :interface_name => 'ae*' 
  ).xpath('physical-interface/name').collect{ |name| name.text.strip }
end

#get_cookie_links(cfg) ⇒ Object

utilities



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# File 'lib/junos-ez/lag_ports.rb', line 46

def get_cookie_links( cfg )
  cfg.xpath( "apply-macro[name = 'netdev_lag[:links]']/data/name" ).collect { |n| n.text }
end

#set_cookie_links(cfg) ⇒ Object 



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# File 'lib/junos-ez/lag_ports.rb', line 50

def set_cookie_links( cfg )
  cfg.send(:'apply-macro', Netconf::JunosConfig::REPLACE ) {
    cfg.name 'netdev_lag[:links]'
    should[:links].each{ |ifd|
      cfg.data { cfg.name ifd }
    }
  }
end

#update_ifd_has ⇒ Object 



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# File 'lib/junos-ez/lag_ports.rb', line 108

def update_ifd_has()
  @has[:links] = @has[:links].to_a
  if @has[:links].empty?
   raise Junos::Ez::NoProviderError, "\n Either lag interface is not created or links associated with given lag interface is not supported \n"
  else
   ether_option = @has[:links][0].to_s
   @ifd_ether_options = (ether_option.start_with? 'fe-') ? 'fastether-options' : 'gigether-options'
  end  
end

#update_ifd_should ⇒ Object

XML property writers



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# File 'lib/junos-ez/lag_ports.rb', line 99

def update_ifd_should()
  if @should[:links].empty?
    raise Junos::Ez::NoProviderError, "\n *links* are compulsory for creating lag interface!!! \n"
  else
    ether_option = @should[:links][0].to_s
    @ifd_ether_options = (ether_option.start_with? 'fe-') ? 'fastether-options' : 'gigether-options'
  end
end

#xml_at_top ⇒ Object

LAG ports sit at the toplevel interface



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# File 'lib/junos-ez/lag_ports.rb', line 32

def xml_at_top
  Nokogiri::XML::Builder.new {|xml| xml.configuration {
    xml.interfaces { xml.interface {
      xml.name @name
      return xml
    }}
  }}
end

#xml_change_lacp(xml) ⇒ Object 



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# File 'lib/junos-ez/lag_ports.rb', line 150

def xml_change_lacp( xml )
  if @should[:lacp] == :disabled or @should[:lacp].nil?
    xml.send(:'aggregated-ether-options') {
      xml.lacp( Netconf::JunosConfig::DELETE )
    }
  else
    xml.send(:'aggregated-ether-options') {
      xml.lacp { xml.send @should[:lacp] }      # @@@ should validate :lacp value before doing this...
    }
  end
end

#xml_change_links(xml) ⇒ Object 



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# File 'lib/junos-ez/lag_ports.rb', line 118

def xml_change_links( xml )
  update_ifd_should()  
  @should[:links] = @should[:links].to_set if @should[:links].kind_of? Array
  
  has = @has[:links] || Set.new
  should = @should[:links] || Set.new
          
  set_cookie_links( xml )

  del = has - should
  add = should - has
  
  par = xml.instance_variable_get(:@parent)
  dot_ifd = par.at_xpath('ancestor::interfaces')

  add.each{ |new_ifd| Nokogiri::XML::Builder.with( dot_ifd ) {|dot|
    dot.interface { dot.name new_ifd
      dot.send(@ifd_ether_options.to_sym) {
        dot.send(:'ieee-802.3ad') {
          dot.bundle @name
        }
      }
  }}}

  del.each{ |new_ifd| Nokogiri::XML::Builder.with( dot_ifd ) {|dot|
    dot.interface { dot.name new_ifd
      dot.send(@ifd_ether_options) {
        dot.send( :'ieee-802.3ad', Netconf::JunosConfig::DELETE )
      }
  }}} 
end

#xml_change_minimum_links(xml) ⇒ Object 



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# File 'lib/junos-ez/lag_ports.rb', line 162

def xml_change_minimum_links( xml )
  if @should[:minimum_links] 
    xml.send(:'aggregated-ether-options') {
      xml.send( :'minimum-links', @should[:minimum_links] )
    }
  else
    xml.send(:'aggregated-ether-options') {
      xml.send(:'minimum-links', Netconf::JunosConfig::DELETE )
    }
  end
end

#xml_config_read! ⇒ Object

XML property readers



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# File 'lib/junos-ez/lag_ports.rb', line 63

def xml_config_read!
  database = {'database' => 'committed'}
  @ndev.rpc.get_configuration(xml_at_top, database)
end

#xml_get_has_xml(xml) ⇒ Object 



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# File 'lib/junos-ez/lag_ports.rb', line 68

def xml_get_has_xml( xml )
  if ndev.facts[:ifd_style] == "CLASSIC"
    @ifd_ether_options = 'gigether-options'
  else
    @ifd_ether_options = 'ether-options' 
  end 
  xml.xpath('//interface')[0]    
end

#xml_on_create(xml) ⇒ Object

XML on-create



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# File 'lib/junos-ez/lag_ports.rb', line 178

def xml_on_create( xml )
  # make sure there is a 'unit 0' on the AE port
  par = xml.instance_variable_get(:@parent)
  Nokogiri::XML::Builder.with(par) do |dot|
    dot.unit {
      dot.name '0'
    }
  end
end

#xml_on_delete(xml) ⇒ Object

XML on-delete



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# File 'lib/junos-ez/lag_ports.rb', line 192

def xml_on_delete( xml )
  update_ifd_has()
  par = xml.instance_variable_get(:@parent)
  dot_ifd = par.at_xpath('ancestor::interfaces')
 
  # remove the bindings from each of the physical interfaces
  #    
  @has[:links].each do |new_ifd| Nokogiri::XML::Builder.with( dot_ifd ) do |dot|
    dot.interface { dot.name new_ifd
      dot.send(@ifd_ether_options) {
        dot.send( :'ieee-802.3ad', Netconf::JunosConfig::DELETE )
      }
    }
    end
  end
  
  # now remove the LAG interface
  #
  Nokogiri::XML::Builder.with( dot_ifd ) do |dot|
    dot.interface( Netconf::JunosConfig::DELETE ) {
      dot.name @name
    }
  end        
end

#xml_read_parser(as_xml, as_hash) ⇒ Object 



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# File 'lib/junos-ez/lag_ports.rb', line 77

def xml_read_parser( as_xml, as_hash )    
  set_has_status( as_xml, as_hash )          
      
  # property :links
  ae_name = as_xml.xpath('name').text
  as_hash[:links] = Set.new(get_cookie_links(as_xml))
  
  # property :lacp
  ae_opts = as_xml.xpath('aggregated-ether-options')
  if (lacp = ae_opts.xpath('lacp')[0])
    as_hash[:lacp] = (lacp.xpath('active')[0]) ? :active : :passive
  else
    as_hash[:lacp] = :disabled
  end      
  
  # property :minimum_links
  as_hash[:minimum_links] = (min_links = ae_opts.xpath('minimum-links')[0]) ? min_links.text.to_i : 1
end