diff options
Diffstat (limited to 'lib/chef/cookbook_version.rb')
| -rw-r--r-- | lib/chef/cookbook_version.rb | 32 |
1 files changed, 24 insertions, 8 deletions
diff --git a/lib/chef/cookbook_version.rb b/lib/chef/cookbook_version.rb index 4e8b2a048e..5bd0ca064c 100644 --- a/lib/chef/cookbook_version.rb +++ b/lib/chef/cookbook_version.rb @@ -265,6 +265,18 @@ class Chef end end + # Query whether a template file +template_filename+ is available. File + # specificity for the given +node+ is obeyed in the lookup. + def has_template_for_node?(node, template_filename) + !!find_preferred_manifest_record(node, :templates, template_filename) + end + + # Query whether a cookbook_file file +cookbook_filename+ is available. File + # specificity for the given +node+ is obeyed in the lookup. + def has_cookbook_file_for_node?(node, cookbook_filename) + !!find_preferred_manifest_record(node, :files, cookbook_filename) + end + # Determine the most specific manifest record for the given # segment/filename, given information in the node. Throws # FileNotFound if there is no such segment and filename in the @@ -278,14 +290,7 @@ class Chef # :checksum => "1234" # } def preferred_manifest_record(node, segment, filename) - preferences = preferences_for_path(node, segment, filename) - - # ensure that we generate the manifest, which will also generate - # @manifest_records_by_path - manifest - - # in order of prefernce, look for the filename in the manifest - found_pref = preferences.find {|preferred_filename| @manifest_records_by_path[preferred_filename] } + found_pref = find_preferred_manifest_record(node, segment, filename) if found_pref @manifest_records_by_path[found_pref] else @@ -567,6 +572,17 @@ class Chef private + def find_preferred_manifest_record(node, segment, filename) + preferences = preferences_for_path(node, segment, filename) + + # ensure that we generate the manifest, which will also generate + # @manifest_records_by_path + manifest + + # in order of prefernce, look for the filename in the manifest + preferences.find {|preferred_filename| @manifest_records_by_path[preferred_filename] } + end + # For each filename, produce a mapping of base filename (i.e. recipe name # or attribute file) to on disk location def filenames_by_name(filenames) |