Class: OsCtld::DistConfig::Network::Ifupdown

Inherits:
Base
  • Object
show all
Defined in:
lib/osctld/dist_config/network/ifupdown.rb

Overview

ifupdown configures network using /etc/network/interfaces

Instance Attribute Summary

Attributes inherited from Base

#configurator

Instance Method Summary collapse

Methods inherited from Base

#add_netif, #initialize, #remove_netif, #rename_netif

Methods included from Helpers::Common

#systemd_service_enabled?, #systemd_service_masked?, #writable?

Constructor Details

This class inherits a constructor from OsCtld::DistConfig::Network::Base

Instance Method Details

#configure(netifs) ⇒ Object 



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# File 'lib/osctld/dist_config/network/ifupdown.rb', line 10

def configure(netifs)
  base = File.join(rootfs, 'etc', 'network')
  config = File.join(base, 'interfaces')
  return unless writable?(config)

  vars = {
    netifs:,
    head: nil,
    interfacesd: Dir.exist?(File.join(base, 'interfaces.d')),
    tail: nil
  }

  %i[head tail].each do |v|
    f = File.join(base, "interfaces.#{v}")

    begin
      # Ignore large files
      if File.size(f) > 10 * 1024 * 1024
        log(:warn, "/etc/network/interfaces.#{v} found, but is too large")
        next
      end

      vars[v] = File.read(f)
    rescue Errno::ENOENT
      next
    end
  end

  OsCtld::ErbTemplate.render_to_if_changed(
    'dist_config/network/ifupdown/interfaces',
    vars,
    config
  )
end

#usable? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/osctld/dist_config/network/ifupdown.rb', line 6

def usable?
  File.exist?(File.join(rootfs, 'etc/network/interfaces'))
end