118 lines
4.0 KiB
Ruby
118 lines
4.0 KiB
Ruby
property :plugin_name, String, name_property: true
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property :path, String
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property :source_file, String
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property :cookbook, String
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property :resource, [:cookbook_file, :template], default: :cookbook_file
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property :variables, Hash
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property :compile_time, [true, false], default: true
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action :create do
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# why create_if_missing you ask?
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# no one can agree on perms and this allows them to manage the perms elsewhere
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directory desired_plugin_path do
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action :create
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recursive true
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not_if { ::File.exist?(desired_plugin_path) }
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end
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if new_resource.resource.eql?(:cookbook_file)
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cookbook_file ::File.join(desired_plugin_path, new_resource.plugin_name + '.rb') do
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cookbook new_resource.cookbook
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source new_resource.source_file || "#{new_resource.plugin_name}.rb"
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notifies :reload, "ohai[#{new_resource.plugin_name}]", :immediately
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end
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elsif new_resource.resource.eql?(:template)
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template ::File.join(desired_plugin_path, new_resource.plugin_name + '.rb') do
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cookbook new_resource.cookbook
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source new_resource.source_file || "#{new_resource.plugin_name}.rb"
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variables new_resource.variables
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notifies :reload, "ohai[#{new_resource.plugin_name}]", :immediately
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end
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end
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# Add the plugin path to the ohai plugin path if need be and warn
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# the user that this is going to result in a reload every run
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unless in_plugin_path?(desired_plugin_path)
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plugin_path_warning
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Chef::Log.warn("Adding #{desired_plugin_path} to the Ohai plugin path for this chef-client run only")
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add_to_plugin_path(desired_plugin_path)
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reload_required = true
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end
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ohai new_resource.plugin_name do
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action :nothing
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action :reload if reload_required
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end
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end
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action :delete do
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file ::File.join(desired_plugin_path, new_resource.plugin_name + '.rb') do
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action :delete
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notifies :reload, 'ohai[reload ohai post plugin removal]'
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end
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ohai 'reload ohai post plugin removal' do
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action :nothing
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end
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end
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action_class.class_eval do
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# return the path property if specified or
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# CHEF_CONFIG_PATH/ohai/plugins if a path isn't specified
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def desired_plugin_path
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if new_resource.path
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new_resource.path
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else
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::File.join(chef_config_path, 'ohai', 'plugins')
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end
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end
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# return the chef config files dir or fail hard
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def chef_config_path
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if Chef::Config['config_file']
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::File.dirname(Chef::Config['config_file'])
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else
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Chef::Application.fatal!("No chef config file defined. Are you running \
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chef-solo? If so you will need to define a path for the ohai_plugin as the \
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path cannot be determined")
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end
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end
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# is the desired plugin dir in the ohai config plugin dir array?
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def in_plugin_path?(path)
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# get the directory where we plan to stick the plugin (not the actual file path)
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desired_dir = ::File.directory?(path) ? path : ::File.dirname(path)
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case node['platform']
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when 'windows'
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::Ohai::Config.ohai['plugin_path'].map(&:downcase).include?(desired_dir.downcase)
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else
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::Ohai::Config.ohai['plugin_path'].include?(desired_dir)
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end
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end
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def add_to_plugin_path(path)
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::Ohai::Config.ohai['plugin_path'] << path # new format
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end
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# we need to warn the user that unless the path for this plugin is in Ohai's
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# plugin path already we're going to have to reload Ohai on every Chef run.
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# Ideally in future versions of Ohai /etc/chef/ohai/plugins is in the path.
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def plugin_path_warning
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Chef::Log.warn("The Ohai plugin_path does not include #{desired_plugin_path}. \
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Ohai will reload on each chef-client run in order to add this directory to the \
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path unless you modify your client.rb configuration to add this directory to \
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plugin_path. The plugin_path can be set via the chef-client::config recipe. \
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See 'Ohai Settings' at https://docs.chef.io/config_rb_client.html#ohai-settings \
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for more details.")
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end
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end
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# this resource forces itself to run at compile_time
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def after_created
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return unless compile_time
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Array(action).each do |action|
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run_action(action)
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end
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end
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