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module Delayed
  module Plugins
    class LogErrors < Plugin
      callbacks do |lifecycle|
        lifecycle.around(:invoke_job) do |job, &block|
          begin
            block.call(job)
          rescue Exception => error
            Delayed::Worker.logger.error(error.message)
            Delayed::Worker.logger.error(error.backtrace.join("\n"))

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# some references which helped
# http://blog.salsify.com/engineering/delayed-jobs-callbacks-and-hooks-in-rails
# http://stackoverflow.com/a/16639849/109175
# example plugin: https://github.com/collectiveidea/delayed_job/blob/master/lib/delayed/plugins/clear_locks.rb
module Delayed
  module Plugins
    class Bugsnag < Plugin
      callbacks do |lifecycle|
        lifecycle.around(:invoke_job) do |job, &block|
          begin

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# ./spec/support/rake_testing_support.rb
def invoke_rake_task_in_test(task_name)
  require 'rake'
  Rails.application.load_tasks if Rake.application.tasks.count < 10
  Rake::Task[task_name].reenable
  Rake::Task[task_name].invoke
end

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Process:         ruby [1079]
Path:            /usr/bin/ruby
Identifier:      ruby
Version:         ??? (???)
Code Type:       X86 (Native)
Parent Process:  zsh [327]

Date/Time:       2009-05-13 14:26:58.435 +0100
OS Version:      Mac OS X 10.5.6 (9G55)
Report Version:  6

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Process:         ruby [4332]
Path:            /usr/bin/ruby
Identifier:      ruby
Version:         ??? (???)
Code Type:       X86 (Native)
Parent Process:  zsh [327]

Date/Time:       2009-05-15 11:15:29.213 +0100
OS Version:      Mac OS X 10.5.6 (9G55)
Report Version:  6

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# ADD this to Rakefile and run it by issuing rake roles.to_json

ROLE_DIR = File.expand_path(File.join(TOPDIR, "roles"))
namespace :roles do 
	desc "Convert ruby roles from ruby to json, creating/overwriting json files."
	task :to_json do 
	  Dir.glob(File.join(ROLE_DIR, '*.rb')) do |rb_file|
	    role = Chef::Role.new
	    role.from_file(rb_file)
	    json_file = rb_file.sub(/\.rb$/,'.json') 

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# better to use a monkeypatch - see https://gist.github.com/867960

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CHEF_REPO = "../chef_repo" # path to chef repo, 
# because Vagrantfile is normally in application repo, not in chef repo.
# see also https://gist.github.com/867960 for chef_solo patch

module Vagrant
  module Provisioners
    class ChefSolo
      class Config
        attr_accessor :data_bag_path
      end

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# save this in the library folder of a cookbook 
# (e.g. ./coookbooks/vagrant/library/chef_solo_patch.rb)
# see also https://gist.github.com/867958 for vagrant patch

# based on http://lists.opscode.com/sympa/arc/chef/2011-02/msg00000.html
if Chef::Config[:solo]
  class Chef
    module Mixin
      module Language
        def data_bag(bag)

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/usr/lib/ruby/gems/1.8/gems/chef-0.9.14/bin/../lib/chef/data_bag_item.rb:95:in `raw_data=': Data Bag Items must have an id key in the hash! {"evq"=>"https://api.opscode.com/organizations/ima_evq/data/apps/evq"} (Chef::Exceptions::ValidationFailed)
	from /usr/lib/ruby/gems/1.8/gems/chef-0.9.14/bin/../lib/chef/data_bag_item.rb:147:in `from_hash'
	from /usr/lib/ruby/gems/1.8/gems/chef-0.9.14/bin/../lib/chef/data_bag_item.rb:183:in `load'
	from /var/chef/cache/cookbooks/django/libraries/app.rb:6:in `initialize'
	from /var/chef/cache/cookbooks/django/definitions/install.rb:3:in `new'
	from /var/chef/cache/cookbooks/django/definitions/install.rb:3:in `from_file'
	from /usr/lib/ruby/gems/1.8/gems/chef-0.9.14/bin/../lib/chef/mixin/recipe_definition_dsl_core.rb:50:in `instance_eval'
	from /usr/lib/ruby/gems/1.8/gems/chef-0.9.14/bin/../lib/chef/mixin/recipe_definition_dsl_core.rb:50:in `method_missing'
	from /var/chef/cache/cookbooks/django/definitions/install.rb:42:in `from_file'
	from /usr/lib/ruby/gems/1.8/gems/chef