3rdparty/modules/neutron/lib/puppet/provider/neutron_l3_ovs_bridge/neutron.rb

   1 Puppet::Type.type(:neutron_l3_ovs_bridge).provide(:neutron) do
   2   desc <<-EOT
   3     Neutron provider to manage neutron_l3_ovs_bridge type.
   4
   5     The provider ensures that the gateway ip of the subnet is
   6     configured on the ovs bridge.
   7   EOT
   8
   9   commands :ip => '/sbin/ip'
  10
  11   mk_resource_methods
  12
  13   def gateway_ip
  14     if @gateway_ip == nil
  15       subnet = Puppet::Type.type('neutron_subnet').instances.find do |instance|
  16         instance.provider.name == @resource[:subnet_name]
  17       end
  18       if subnet
  19         provider = subnet.provider
  20         @gateway_ip = "#{provider.gateway_ip}/#{provider.cidr.split('/')[1]}"
  21       else
  22         fail("Unable to find subnet for name #{@resource[:subnet_name]}")
  23       end
  24     end
  25     @gateway_ip
  26   end
  27
  28   def bridge_ip_addresses
  29     addresses = []
  30     result = ip('addr', 'show', @resource[:name])
  31     (result.split("\n") || []).compact.each do |line|
  32       if match = line.match(/\sinet ([^\s]*) .*/)
  33         addresses << match.captures[0]
  34       end
  35     end
  36     return addresses
  37   end
  38
  39   def exists?
  40     bridge_ip_addresses.include?(gateway_ip)
  41   end
  42
  43   def create
  44     ip('addr', 'add', gateway_ip, 'dev', @resource[:name])
  45     ip('link', 'set', 'dev', @resource[:name], 'up')
  46     @property_hash[:ensure] = :present
  47   end
  48
  49   def destroy
  50     ip('addr', 'del', gateway_ip, 'dev', @resource[:name])
  51     @property_hash[:ensure] = :absent
  52   end
  53
  54 end