summaryrefslogtreecommitdiff
path: root/lib/chef/platform.rb
blob: 55e85ae354a981bc35dfbbf3db6770ee8b19cf49 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
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
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
#
# Author:: Adam Jacob (<adam@hjksolutions.com>)
# Copyright:: Copyright (c) 2008 HJK Solutions, LLC
# License:: GNU General Public License version 2 or later
# 
# This program and entire repository is free software; you can
# redistribute it and/or modify it under the terms of the GNU 
# General Public License as published by the Free Software 
# Foundation; either version 2 of the License, or any later version.
# 
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
# 
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
# 

Dir[File.join(File.dirname(__FILE__), 'provider/**/*.rb')].sort.each { |lib| require lib }
require File.join(File.dirname(__FILE__), 'mixin', 'params_validate')

class Chef
  class Platform
        
    @platforms = {
      :mac_os_x => {},
      :ubuntu   => {},
      :centos   => {},
      :redhat   => {},
      :gentoo   => {},
      :solaris  => {},
      :default  => {
        :file => Chef::Provider::File,
        :directory => Chef::Provider::Directory,
        :link => Chef::Provider::Link,
      }
    }

    class << self
      attr_accessor :platforms
      
      include Chef::Mixin::ParamsValidate
            
      def find(name, version)
        provider_map = @platforms[:default].clone
        
        name_sym = name
        if name.kind_of?(String)
          name.downcase!
          name.gsub!(/\s/, "_")
          name_sym = name.to_sym
        end
        
        if @platforms.has_key?(name_sym)
          if @platforms[name_sym].has_key?(version) 
            Chef::Log.debug("Platform #{name.to_s} version #{version} found")
            if @platforms[name_sym].has_key?(:default)
              provider_map.merge!(@platforms[name_sym][:default])
            end
            provider_map.merge!(@platforms[name_sym][version])
          elsif @platforms[name_sym].has_key?(:default)
            provider_map.merge!(@platforms[name_sym][:default])
          end
        else
          Chef::Log.debug("Platform #{name} not found, using all defaults. (Unsupported platform?)")
        end
        provider_map
      end
      
      def find_provider(platform, version, resource_type)
        pmap = Chef::Platform.find(platform, version)
        rtkey = resource_type
        if resource_type.kind_of?(Chef::Resource)
          rtkey = resource_type.resource_name.to_sym
        end
        if pmap.has_key?(rtkey)
          pmap[rtkey]
        else
          Chef::Log.error("#{rtkey.inspect} #{pmap.inspect}")
          raise(
            ArgumentError, 
            "Cannot find a provider for #{resource_type} on #{platform} version #{version}"
          )
        end
      end
      
      def find_provider_for_node(node, resource_type)
        platform = nil
        version = nil
        if node.attribute?("lsbdistid")
          platform = node[:lsbdistid]
        elsif node.attribute?("macosx_productname")
          platform = node[:macosx_productname]
        elsif node.attribute?("operatingsystem")
          platform = node[:operatingsystem]
        end
        raise ArgumentError, "Cannot find a platform for #{node}" unless platform
        
        if node.attribute?("lsbdistrelease")
          version = node[:lsbdistrelease]
        elsif node.attribute?("macosx_productversion")
          version = node[:macosx_productversion]
        elsif node.attribute?("operatingsystemversion")
          version = node[:operatingsystemversion]
        end
        raise ArgumentError, "Cannot find a version for #{node}" unless version
        
        provider = find_provider(platform, version, resource_type)
      end
      
      def set(args)
        validate(
          args,
          {
            :platform => {
              :kind_of => Symbol,
              :required => false,
            },
            :version => {
              :kind_of => String,
              :required => false,
            },
            :resource => {
              :kind_of => Symbol,
            },
            :provider => {
              :kind_of => [ String, Symbol, Class ],
            }
          }
        )
        if args.has_key?(:platform)          
          if args.has_key?(:version)
            if @platforms.has_key?(args[:platform])
              if @platforms[args[:platform]].has_key?(args[:version])
                @platforms[args[:platform]][args[:version]][args[:resource].to_sym] = args[:provider]
              else
                @platforms[args[:platform]][args[:version]] = {
                  args[:resource].to_sym => args[:provider] 
                }
              end
            else
              @platforms[args[:platform]] = {
                args[:version] => {
                  args[:resource].to_sym => args[:provider]
                }
              }
            end
          else
            if @platforms.has_key?(args[:platform])            
              @platforms[args[:platform]][:default][args[:resource].to_sym] = args[:provider]
            else
              @platforms[args[:platform]] = {
                :default => {
                  args[:resource].to_sym => args[:provider]
                }
              }
            end
          end
        else
          if @platforms.has_key?(:default)
            @platforms[:default][args[:resource].to_sym] = args[:provider]
          else
            @platforms[:default] = {
              args[:resource].to_sym => args[:provider]
            }
          end
        end
      end
            
    end    
    
  end
end