Class: Chef::Provider::Ifconfig

Inherits:
Chef::Provider show all
Includes:
Mixin::Command
Defined in:
lib/chef/provider/ifconfig.rb

Instance Attribute Summary

Attributes inherited from Chef::Provider

#current_resource, #new_resource, #node

Instance Method Summary collapse

Methods included from Mixin::Command

handle_command_failures, not_if, only_if, output_of_command, popen4, run_command, run_command_with_systems_locale

Methods inherited from Chef::Provider

#action_nothing, build_from_file, #initialize

Methods included from Mixin::ConvertToClassName

#convert_to_class_name, #filename_to_qualified_string

Methods included from Mixin::RecipeDefinitionDSLCore

#method_missing

Constructor Details

This class inherits a constructor from Chef::Provider

Dynamic Method Handling

This class handles dynamic methods through the method_missing method in the class Chef::Mixin::RecipeDefinitionDSLCore

Instance Method Details

#action_add ⇒ Object 



69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
 
# File 'lib/chef/provider/ifconfig.rb', line 69

def action_add
  # check to see if load_current_resource found ifconfig
  unless @current_resource.inet_addr
    unless @new_resource.device == "lo"
      command = "ifconfig #{@new_resource.device} #{@new_resource.name}"
      command << " netmask #{@new_resource.mask}" if @new_resource.mask
      command << " metric #{@new_resource.metric}" if @new_resource.metric
      command << " mtu #{@new_resource.mtu}" if @new_resource.mtu
    end
  
    run_command(
      :command => command
    )
    @new_resource.updated = true

  end

  # Write out the config files
  generate_config
end

#action_delete ⇒ Object 



90
91
92
93
94
95
96
97
98
99
100
101
102
 
# File 'lib/chef/provider/ifconfig.rb', line 90

def action_delete
  # check to see if load_current_resource found the interface
  if @current_resource.device
    command = "ifconfig #{@new_resource.device} down"
  
    run_command(
      :command => command
    )
    @new_resource.updated = true
  else
    Chef::Log.debug("Ifconfig #{@current_resource} does not exist")
  end
end

#generate_config ⇒ Object

This is a little lame of me, as if any of these values aren’t filled out it leaves blank lines in the file. Can refactor later to have this nice and tight.



106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
 
# File 'lib/chef/provider/ifconfig.rb', line 106

def generate_config
  b = binding
  case node[:platform]
  when "centos","redhat","fedora"
    content = %{
<% if @new_resource.device %>DEVICE=<%= @new_resource.device %><% end %>
<% if @new_resource.onboot %>ONBOOT=<%= @new_resource.onboot %><% end %>
<% if @new_resource.bootproto %>BOOTPROTO=<%= @new_resource.bootproto %><% end %>
<% if @new_resource.target %>IPADDR=<%= @new_resource.target %><% end %>
<% if @new_resource.mask %>NETMASK=<%= @new_resource.mask %><% end %>
<% if @new_resource.network %>NETWORK=<%= @new_resource.network %><% end %>
<% if @new_resource.bcast %>BROADCAST=<%= @new_resource.bcast %><% end %>
    }
    template = ::ERB.new(content)
    network_file = ::File.new("/etc/sysconfig/network-scripts/ifcfg-#{@new_resource.device}", "w")
    network_file.puts(template.result(b))
    network_file.close
  when "debian","ubuntu"
    # template
  when "slackware"
    # template
  end
end

#load_current_resource ⇒ Object 



28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
 
# File 'lib/chef/provider/ifconfig.rb', line 28

def load_current_resource
  @current_resource = Chef::Resource::Ifconfig.new(@new_resource.name)

  @interfaces = {}

  status = popen4("ifconfig") do |pid, stdin, stdout, stderr|
    stdout.each do |line|

      if !line[0..9].strip.empty?
        @int_name = line[0..9].strip
        @interfaces[@int_name] = {"hwaddr" => (line =~ /(HWaddr)/ ? ($') : "nil").strip.chomp }
      else
        @interfaces[@int_name]["inet_addr"] = (line =~ /inet addr:(\S+)/ ? ($1) : "nil") if line =~ /inet addr:/
        @interfaces[@int_name]["bcast"] = (line =~ /Bcast:(\S+)/ ? ($1) : "nil") if line =~ /Bcast:/
        @interfaces[@int_name]["mask"] = (line =~ /Mask:(\S+)/ ? ($1) : "nil") if line =~ /Mask:/
        @interfaces[@int_name]["mtu"] = (line =~ /MTU:(\S+)/ ? ($1) : "nil") if line =~ /MTU:/
        @interfaces[@int_name]["metric"] = (line =~ /Metric:(\S+)/ ? ($1) : "nil") if line =~ /Metric:/
      end

      if @interfaces.has_key?(@new_resource.device)
        @interface = @interfaces.fetch(@new_resource.device)

        @current_resource.target(@new_resource.target)
        @current_resource.device(@int_name)
        @current_resource.inet_addr(@interface["inet_addr"])
        @current_resource.hwaddr(@interface["hwaddr"])
        @current_resource.bcast(@interface["bcast"])
        @current_resource.mask(@interface["mask"])
        @current_resource.mtu(@interface["mtu"])
        @current_resource.metric(@interface["metric"])
      end
    end
  end

  unless status.exitstatus == 0
    raise Chef::Exception::Ifconfig, "ifconfig failed - #{status.inspect}!"
  end

  @current_resource
end