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Chef::Provider::Template

Public Instance Methods

action_create() click to toggle source
# File lib/chef/provider/template.rb, line 49
def action_create
  render_with_context(template_location) do |rendered_template|
    rendered(rendered_template)
    update = ::File.exist?(@new_resource.path)
    if update && content_matches?
      Chef::Log.debug("#{@new_resource} content has not changed.")
      set_all_access_controls
    else
      description = [] 
      action_message = update ? "update #{@current_resource} from #{short_cksum(@current_resource.checksum)} to #{short_cksum(@new_resource.checksum)}" :
        "create #{@new_resource}"
      description << action_message
      description << diff_current(rendered_template.path)
      converge_by(description) do
        backup
        FileUtils.cp(rendered_template.path, @new_resource.path)
        Chef::Log.info("#{@new_resource} updated content")
        access_controls.set_all!
        stat = ::File.stat(@new_resource.path)

        # template depends on the checksum not changing, and updates it
        # itself later in the code, so we cannot set it here, as we do with
        # all other < File child provider classes
        @new_resource.owner(stat.uid)
        @new_resource.mode(stat.mode & 07777)
        @new_resource.group(stat.gid)
      end
    end
  end  
end
content_matches?() click to toggle source
# File lib/chef/provider/template.rb, line 102
def content_matches?
  @current_resource.checksum == @new_resource.checksum
end
define_resource_requirements() click to toggle source
# File lib/chef/provider/template.rb, line 38
def define_resource_requirements
  super

  requirements.assert(:create, :create_if_missing) do |a| 
    a.assertion { ::File::exist?(template_location) } 
    a.failure_message "Template source #{template_location} could not be found."
    a.whyrun "Template source #{template_location} does not exist. Assuming it would have been created."
    a.block_action!
  end
end
load_current_resource() click to toggle source
# File lib/chef/provider/template.rb, line 33
def load_current_resource
  @current_resource = Chef::Resource::Template.new(@new_resource.name)
  super
end
rendered(rendered_template) click to toggle source
# File lib/chef/provider/template.rb, line 96
def rendered(rendered_template)
  @new_resource.checksum(checksum(rendered_template.path))
  Chef::Log.debug("Current content's checksum:  #{@current_resource.checksum}")
  Chef::Log.debug("Rendered content's checksum: #{@new_resource.checksum}")
end
resource_cookbook() click to toggle source
# File lib/chef/provider/template.rb, line 92
def resource_cookbook
  @new_resource.cookbook || @new_resource.cookbook_name
end
template_location() click to toggle source
# File lib/chef/provider/template.rb, line 81
def template_location
  @template_file_cache_location ||= begin
    if @new_resource.local
      @new_resource.source
    else
      cookbook = run_context.cookbook_collection[resource_cookbook]
      cookbook.preferred_filename_on_disk_location(node, :templates, @new_resource.source)
    end
  end
end

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