Class: Puppet::Provider::PortChannel::CiscoIos

Inherits:
Object
  • Object
show all
Defined in:
lib/puppet/provider/port_channel/cisco_ios.rb

Overview

Port Channel Puppet Provider for Cisco IOS devices

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.commands_from_instance(property_hash) ⇒ Object 



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# File 'lib/puppet/provider/port_channel/cisco_ios.rb', line 72

def self.commands_from_instance(property_hash)
  if property_hash[:ensure].to_s == 'absent'
    return_commands = []
    default_command = PuppetX::CiscoIOS::Utility.value_foraged_from_command_hash(commands_hash, 'delete_command_default')
    default_command = PuppetX::CiscoIOS::Utility.insert_attribute_into_command_line(default_command, 'name', property_hash[:name], false)
    return_commands << default_command
    no_command = PuppetX::CiscoIOS::Utility.value_foraged_from_command_hash(commands_hash, 'delete_command_no')
    no_command = PuppetX::CiscoIOS::Utility.insert_attribute_into_command_line(no_command, 'name', property_hash[:name], false)
    return_commands << no_command
    return return_commands
  end

  # Convert 10m/100m/1g speed values to modelled 10/100/1000 on Cisco 6500
  unless property_hash[:speed].nil?
    property_hash[:speed] = PuppetX::CiscoIOS::Utility.convert_modelled_speed_value_to_int(property_hash[:speed])
  end
  PuppetX::CiscoIOS::Utility.build_commmands_from_attribute_set_values(property_hash, commands_hash)
end

.commands_hash ⇒ Object 



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# File 'lib/puppet/provider/port_channel/cisco_ios.rb', line 8

def self.commands_hash
  @commands_hash ||= PuppetX::CiscoIOS::Utility.load_yaml(File.expand_path(__dir__) + '/command.yaml')
end

.instances_from_cli(output) ⇒ Object 



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# File 'lib/puppet/provider/port_channel/cisco_ios.rb', line 28

def self.instances_from_cli(output)
  interface_hash = portchannel_interface_names_from_cli(output)
  new_instance_fields = []
  output.scan(%r{#{PuppetX::CiscoIOS::Utility.get_instances(commands_hash)}}).each do |raw_instance_fields|
    new_instance = PuppetX::CiscoIOS::Utility.parse_resource(raw_instance_fields, commands_hash)
    # Convert 10/100/1000 speed values to modelled 10m/100m/1g
    unless new_instance[:speed].nil?
      new_instance[:speed] = PuppetX::CiscoIOS::Utility.convert_speed_int_to_modelled_value(new_instance[:speed])
    end

    channel_number = new_instance[:name].gsub(%r{Port-channel}, '')
    if interface_hash[channel_number]
      new_instance[:interfaces] = []
      interface_hash[channel_number].each do |interface_mode|
        interface_mode.each do |interface_name, mode|
          new_instance[:interfaces] << interface_name
          if new_instance[:mode].nil?
            new_instance[:mode] = mode
          elsif new_instance[:mode] != mode
            raise "Multiple modes per PortChannel #{channel_number} found - original value #{new_instance[:mode]}, new value #{mode}"
          end
        end
      end
    end
    new_instance.delete_if { |_k, v| v.nil? }
    new_instance[:ensure] = 'present'
    new_instance_fields << new_instance
  end
  new_instance_fields
end

.interface_commands_from_instance(property_hash, delete = false) ⇒ Object 



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# File 'lib/puppet/provider/port_channel/cisco_ios.rb', line 59

def self.interface_commands_from_instance(property_hash, delete = false)
  raise 'interface requires mode to be set if setting port channel' if !property_hash[:interfaces].nil? && property_hash[:mode].nil?
  command_line = PuppetX::CiscoIOS::Utility.value_foraged_from_command_hash(commands_hash, 'set_interfaces')
  command_line = PuppetX::CiscoIOS::Utility.insert_attribute_into_command_line(command_line, 'name', property_hash[:name].gsub(%r{Port-channel}, ''), false)
  command_line = PuppetX::CiscoIOS::Utility.insert_attribute_into_command_line(command_line, 'mode', property_hash[:mode], false)
  command_line = if delete
                   PuppetX::CiscoIOS::Utility.insert_attribute_into_command_line(command_line, 'state', 'no ', false)
                 else
                   PuppetX::CiscoIOS::Utility.insert_attribute_into_command_line(command_line, 'state', '', false)
                 end
  command_line
end

.portchannel_interface_names_from_cli(output) ⇒ Object 



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# File 'lib/puppet/provider/port_channel/cisco_ios.rb', line 12

def self.portchannel_interface_names_from_cli(output)
  port_channels_per_interface = {}
  output.scan(%r{#{PuppetX::CiscoIOS::Utility.value_foraged_from_command_hash(commands_hash, 'get_interfaces_get_instances')}}).each do |raw_instance_fields|
    port_channel_num = PuppetX::CiscoIOS::Utility.parse_attribute(raw_instance_fields, commands_hash, 'interfaces')
    mode = PuppetX::CiscoIOS::Utility.parse_attribute(raw_instance_fields, commands_hash, 'mode')
    next unless port_channel_num
    interface_name = raw_instance_fields.scan(%r{#{PuppetX::CiscoIOS::Utility.value_foraged_from_command_hash(commands_hash, 'get_interfaces_name')}})
    if port_channels_per_interface[port_channel_num].nil?
      port_channels_per_interface[port_channel_num] = []
    end
    port_channel_hash = { interface_name.first.first => mode }
    port_channels_per_interface[port_channel_num] << port_channel_hash
  end
  port_channels_per_interface
end

Instance Method Details

#canonicalize(_context, resources) ⇒ Object 



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# File 'lib/puppet/provider/port_channel/cisco_ios.rb', line 152

def canonicalize(_context, resources)
  resources
end

#commands_hash ⇒ Object 



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# File 'lib/puppet/provider/port_channel/cisco_ios.rb', line 91

def commands_hash
  Puppet::Provider::PortChannel::CiscoIos.commands_hash
end

#delete(context, name, is) ⇒ Object 



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# File 'lib/puppet/provider/port_channel/cisco_ios.rb', line 147

def delete(context, name, is)
  should = { name: name, ensure: 'absent' }
  update(context, name, is, should)
end

#get(context, _names = nil) ⇒ Object 



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# File 'lib/puppet/provider/port_channel/cisco_ios.rb', line 95

def get(context, _names = nil)
  output = context.transport.run_command_enable_mode(PuppetX::CiscoIOS::Utility.get_values(commands_hash))
  return [] if output.nil?
  return_value = Puppet::Provider::PortChannel::CiscoIos.instances_from_cli(output)
  PuppetX::CiscoIOS::Utility.enforce_simple_types(context, return_value)
end

#set(context, changes) ⇒ Object 



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# File 'lib/puppet/provider/port_channel/cisco_ios.rb', line 102

def set(context, changes)
  changes.each do |name, change|
    should = change[:should]
    is = change[:is]
    is = { name: name, ensure: 'absent' } if is.nil?
    should = { name: name, ensure: 'absent' } if should.nil?
    if is[:ensure].to_s == 'present' && should[:ensure].to_s == 'absent'
      context.deleting(name) do
        delete(context, name, is)
      end
    else
      context.updating(name) do
        update(context, name, is, should)
      end
    end
  end
end

#update(context, name, is, should) ⇒ Object 



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# File 'lib/puppet/provider/port_channel/cisco_ios.rb', line 120

def update(context, name, is, should)
  unless should[:ensure].to_s == 'absent'
    if is.nil?
      new_interfaces = should[:interfaces]
      remove_interfaces = []
    else
      is[:interfaces] = [] if is[:interfaces].nil?
      should[:interfaces] = [] if should[:interfaces].nil?
      new_interfaces = should[:interfaces] - is[:interfaces]
      remove_interfaces = is[:interfaces] - should[:interfaces]
    end

    new_interfaces.each do |interface|
      interface_commands_to_run = Puppet::Provider::PortChannel::CiscoIos.interface_commands_from_instance(should)
      context.transport.run_command_interface_mode(interface, interface_commands_to_run)
    end
    remove_interfaces.each do |interface|
      interface_commands_to_run = Puppet::Provider::PortChannel::CiscoIos.interface_commands_from_instance(should, true)
      context.transport.run_command_interface_mode(interface, interface_commands_to_run)
    end
  end
  array_of_commands_to_run = Puppet::Provider::PortChannel::CiscoIos.commands_from_instance(should)
  array_of_commands_to_run.each do |command|
    context.transport.run_command_interface_mode(name, command)
  end
end