Class: Chef::Application::Solo

Inherits:
Chef::Application show all
Defined in:
lib/chef/application/solo.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods inherited from Chef::Application

#configure_chef, #configure_logging, debug_stacktrace, exit!, fatal!, #run

Constructor Details

#initializeSolo

Returns a new instance of Solo



115
116
117
118
119
# File 'lib/chef/application/solo.rb', line 115

def initialize
  super
  @chef_solo = nil
  @chef_solo_json = nil
end

Instance Attribute Details

#chef_solo_jsonObject (readonly)

Returns the value of attribute chef_solo_json



113
114
115
# File 'lib/chef/application/solo.rb', line 113

def chef_solo_json
  @chef_solo_json
end

Instance Method Details

#reconfigureObject



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
# File 'lib/chef/application/solo.rb', line 121

def reconfigure
  super

  Chef::Config[:solo] = true

  if Chef::Config[:daemonize]
    Chef::Config[:interval] ||= 1800
  end

  if Chef::Config[:json_attribs]
    begin
      json_io = case Chef::Config[:json_attribs]
                when /^(http|https):\/\//
                  @rest = Chef::REST.new(Chef::Config[:json_attribs], nil, nil)
                  @rest.get_rest(Chef::Config[:json_attribs], true).open
                else
                  open(Chef::Config[:json_attribs])
                end
    rescue SocketError => error
      Chef::Application.fatal!("I cannot connect to #{Chef::Config[:json_attribs]}", 2)
    rescue Errno::ENOENT => error
      Chef::Application.fatal!("I cannot find #{Chef::Config[:json_attribs]}", 2)
    rescue Errno::EACCES => error
      Chef::Application.fatal!("Permissions are incorrect on #{Chef::Config[:json_attribs]}. Please chmod a+r #{Chef::Config[:json_attribs]}", 2)
    rescue Exception => error
      Chef::Application.fatal!("Got an unexpected error reading #{Chef::Config[:json_attribs]}: #{error.message}", 2)
    end

    begin
      @chef_solo_json = Chef::JSONCompat.from_json(json_io.read)
      json_io.close unless json_io.closed?
    rescue JSON::ParserError => error
      Chef::Application.fatal!("Could not parse the provided JSON file (#{Chef::Config[:json_attribs]})!: " + error.message, 2)
    end
  end

  if Chef::Config[:recipe_url]
    cookbooks_path = Array(Chef::Config[:cookbook_path]).detect{|e| e =~ /\/cookbooks\/*$/ }
    recipes_path = File.expand_path(File.join(cookbooks_path, '..'))
    target_file = File.join(recipes_path, 'recipes.tgz')

    Chef::Log.debug "Creating path #{recipes_path} to extract recipes into"
    FileUtils.mkdir_p recipes_path
    path = File.join(recipes_path, 'recipes.tgz')
    File.open(path, 'wb') do |f|
      open(Chef::Config[:recipe_url]) do |r|
        f.write(r.read)
      end
    end
    Chef::Mixin::Command.run_command(:command => "tar zxvfC #{path} #{recipes_path}")
  end
end

#run_applicationObject



178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
# File 'lib/chef/application/solo.rb', line 178

def run_application
  if Chef::Config[:daemonize]
    Chef::Daemon.daemonize("chef-client")
  end

  loop do
    begin
      if Chef::Config[:splay]
        splay = rand Chef::Config[:splay]
        Chef::Log.debug("Splay sleep #{splay} seconds")
        sleep splay
      end

      @chef_solo = Chef::Client.new(@chef_solo_json)
      @chef_solo.run
      @chef_solo = nil
      if Chef::Config[:interval]
        Chef::Log.debug("Sleeping for #{Chef::Config[:interval]} seconds")
        sleep Chef::Config[:interval]
      else
        Chef::Application.exit! "Exiting", 0
      end
    rescue SystemExit => e
      raise
    rescue Exception => e
      if Chef::Config[:interval]
        Chef::Log.error("#{e.class}: #{e}")
        Chef::Log.debug("#{e.class}: #{e}\n#{e.backtrace.join("\n")}")
        Chef::Log.fatal("Sleeping for #{Chef::Config[:interval]} seconds before trying again")
        sleep Chef::Config[:interval]
        retry
      else
        Chef::Application.debug_stacktrace(e)
        Chef::Application.fatal!("#{e.class}: #{e.message}", 1)
      end
    ensure
      GC.start
    end
  end
end

#setup_applicationObject



174
175
176
# File 'lib/chef/application/solo.rb', line 174

def setup_application
  Chef::Daemon.change_privilege
end