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author | Thom May <thom@chef.io> | 2017-04-05 11:49:51 +0100 |
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committer | Thom May <thom@chef.io> | 2017-04-05 18:17:38 +0100 |
commit | 5c86ade466a38536186218009e32bb4db1ab3c92 (patch) | |
tree | d6e93d25ab4736a9d6f3c338971c56302c3f7708 /lib/chef/run_context | |
parent | a9d0cfb3bcb995d60e096a755e4e58fa47f40047 (diff) | |
download | chef-5c86ade466a38536186218009e32bb4db1ab3c92.tar.gz |
RFC 59: Load Ohai pluginstm/ohai_plugins_2
This adds a new phase in the compilation of the run context.
Signed-off-by: Thom May <thom@chef.io>
Diffstat (limited to 'lib/chef/run_context')
-rw-r--r-- | lib/chef/run_context/cookbook_compiler.rb | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/lib/chef/run_context/cookbook_compiler.rb b/lib/chef/run_context/cookbook_compiler.rb index 94635be03d..02ee2e3519 100644 --- a/lib/chef/run_context/cookbook_compiler.rb +++ b/lib/chef/run_context/cookbook_compiler.rb @@ -57,6 +57,7 @@ class Chef # Run the compile phase of the chef run. Loads files in the following order: # * Libraries + # * Ohai # * Attributes # * LWRPs # * Resource Definitions @@ -69,6 +70,7 @@ class Chef # #cookbook_order for more information. def compile compile_libraries + compile_ohai_plugins compile_attributes compile_lwrps compile_resource_definitions @@ -101,6 +103,26 @@ class Chef @events.library_load_complete end + # Loads Ohai Plugins from cookbooks, and ensure any old ones are + # properly cleaned out + def compile_ohai_plugins + ohai_plugin_count = count_files_by_segment(:ohai) + @events.ohai_plugin_load_start(ohai_plugin_count) + FileUtils.rm_rf(Chef::Config[:ohai_segment_plugin_path]) + + cookbook_order.each do |cookbook| + load_ohai_plugins_from_cookbook(cookbook) + end + + # Doing a full ohai system check is costly, so only do so if we've loaded additional plugins + if ohai_plugin_count > 0 + ohai = Ohai::System.new.run_additional_plugins(Chef::Config[:ohai_segment_plugin_path]) + node.consume_ohai_data(ohai) + end + + @events.ohai_plugin_load_complete + end + # Loads attributes files from cookbooks. Attributes files are loaded # according to #cookbook_order; within a cookbook, +default.rb+ is loaded # first, then the remaining attributes files in lexical sort order. @@ -226,6 +248,19 @@ class Chef raise end + def load_ohai_plugins_from_cookbook(cookbook_name) + target = Chef::Config[:ohai_segment_plugin_path] + files_in_cookbook_by_segment(cookbook_name, :ohai).each do |filename| + next unless File.extname(filename) == ".rb" + + Chef::Log.debug "Loading Ohai plugin: #{filename} from #{cookbook_name}" + target_name = File.join(target, cookbook_name.to_s, File.basename(filename)) + + FileUtils.mkdir_p(File.dirname(target_name)) + FileUtils.cp(filename, target_name) + end + end + def load_resource_definitions_from_cookbook(cookbook_name) files_in_cookbook_by_segment(cookbook_name, :definitions).each do |filename| begin |