Class: Chef::Platform

Inherits:
Object show all
Extended by:
Mixin::ParamsValidate
Defined in:
lib/chef/platform.rb

Class Attribute Summary collapse

Class Method Summary collapse

Methods included from Mixin::ParamsValidate

set_or_return, validate

Class Attribute Details

.platforms ⇒ Object

Returns the value of attribute platforms.



121
122
123
 
# File 'lib/chef/platform.rb', line 121

def platforms
  @platforms
end

Class Method Details

.find(name, version) ⇒ Object 



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
 
# File 'lib/chef/platform.rb', line 125

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

.find_platform_and_version(node) ⇒ Object

Raises:

  • (ArgumentError) 


168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
 
# File 'lib/chef/platform.rb', line 168

def find_platform_and_version(node)
  platform = nil
  version = nil

  if node[:platform]
    platform = node[:platform]
  elsif node.attribute?("os")
    platform = node[:os]
  end

  raise ArgumentError, "Cannot find a platform for #{node}" unless platform

  if node[:platform_version]
    version = node[:platform_version]
  elsif node[:os_version]
    version = node[:os_version]
  elsif node[:os_release]
    version = node[:os_release]
  end

  raise ArgumentError, "Cannot find a version for #{node}" unless version

  return platform, version
end

.find_provider(platform, version, resource_type) ⇒ Object 



151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
 
# File 'lib/chef/platform.rb', line 151

def find_provider(platform, version, resource_type)
  pmap = Chef::Platform.find(platform, version)
  rtkey = resource_type
  if resource_type.kind_of?(Chef::Resource)
    return resource_type.provider if resource_type.provider
    rtkey = resource_type.resource_name.to_sym
  end
  if pmap.has_key?(rtkey)
    pmap[rtkey]
  else
    raise(
      ArgumentError,
      "Cannot find a provider for #{resource_type} on #{platform} version #{version}"
    )
  end
end

.find_provider_for_node(node, resource_type) ⇒ Object 



197
198
199
200
 
# File 'lib/chef/platform.rb', line 197

def find_provider_for_node(node, resource_type)
  platform, version = find_platform_and_version(node)
  provider = find_provider(platform, version, resource_type)
end

.provider_for_node(node, resource_type) ⇒ Object 



193
194
195
 
# File 'lib/chef/platform.rb', line 193

def provider_for_node(node, resource_type)
  find_provider_for_node(node, resource_type).new(node, resource_type)
end

.set(args) ⇒ Object 



202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
 
# File 'lib/chef/platform.rb', line 202

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])
        if @platforms[args[:platform]].has_key?(:default)
          @platforms[args[:platform]][:default][args[:resource].to_sym] = args[:provider]
        else
          @platforms[args[:platform]] = { :default => { args[:resource].to_sym => args[:provider] } }
        end
      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