Class: Chef::Provider::Template

Inherits:
File show all
Includes:
Mixin::Checksum, Mixin::FindPreferredFile, Mixin::Template
Defined in:
lib/chef/provider/template.rb

Instance Attribute Summary

Attributes inherited from Chef::Provider

#current_resource, #new_resource, #node

Instance Method Summary collapse

Methods included from Mixin::FindPreferredFile

#find_preferred_file, #load_cookbook_files

Methods included from Mixin::Template

#render_template

Methods included from Mixin::Checksum

#checksum

Methods inherited from File

#action_delete, #action_touch, #backup, #compare_content, #compare_group, #compare_mode, #compare_owner, #generate_url, #load_current_resource, #set_content, #set_group, #set_mode, #set_owner

Methods included from Mixin::GenerateURL

#generate_cookbook_url, #generate_cookbook_url_from_uri

Methods inherited from Chef::Provider

#action_nothing, build_from_file, #initialize, #load_current_resource

Methods included from Mixin::ConvertToClassName

#convert_to_class_name, #convert_to_snake_case, #filename_to_qualified_string, #snake_case_basename

Methods included from Mixin::RecipeDefinitionDSLCore

#method_missing

Methods included from Mixin::Language

#data_bag, #data_bag_item, #platform?, #search, #value_for_platform

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_create ⇒ Object 



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# File 'lib/chef/provider/template.rb', line 37

def action_create
  raw_template_file = nil

  Chef::Log.debug("looking for template #{@new_resource.source} in cookbook #{cookbook_name.inspect}")

  cache_file_name = "cookbooks/#{cookbook_name}/templates/default/#{@new_resource.source}"
  template_cache_name = "#{cookbook_name}_#{@new_resource.source}"

  if @new_resource.local
    cache_file_name = @new_resource.source
  elsif Chef::Config[:solo]
    cache_file_name = solo_cache_file_name
  else
    raw_template_file = fetch_template_via_rest(cache_file_name, template_cache_name)
  end

  if template_updated?
    Chef::Log.debug("Updating template for #{@new_resource} in the cache")
    Chef::FileCache.move_to(raw_template_file.path, cache_file_name)
  end

  render_with_context(cache_file_name) do |template_file|

    update = false

    if ::File.exists?(@new_resource.path)
      @new_resource.checksum(checksum(template_file.path))
      if @new_resource.checksum != @current_resource.checksum
        Chef::Log.debug("#{@new_resource} changed from #{@current_resource.checksum} to #{@new_resource.checksum}")
        Chef::Log.info("Updating #{@new_resource} at #{@new_resource.path}")
        update = true
      end
    else
      Chef::Log.info("Creating #{@new_resource} at #{@new_resource.path}")
      update = true
    end

    if update
      backup
      FileUtils.cp(template_file.path, @new_resource.path)
      @new_resource.updated = true
    else
      Chef::Log.debug("#{@new_resource} is unchanged")
    end
  end

  set_owner if @new_resource.owner != nil
  set_group if @new_resource.group != nil
  set_mode if @new_resource.mode != nil
end

#action_create_if_missing ⇒ Object 



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# File 'lib/chef/provider/template.rb', line 88

def action_create_if_missing
  if ::File.exists?(@new_resource.path)
    Chef::Log.debug("Template #{@new_resource} exists, taking no action.")
  else
    action_create
  end
end