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Diffstat (limited to 'lib/leap_cli/macros/files.rb')
| -rw-r--r-- | lib/leap_cli/macros/files.rb | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/lib/leap_cli/macros/files.rb b/lib/leap_cli/macros/files.rb new file mode 100644 index 00000000..958958bc --- /dev/null +++ b/lib/leap_cli/macros/files.rb @@ -0,0 +1,89 @@ +# encoding: utf-8 + +## +## FILES +## + +module LeapCli + module Macro + + # + # inserts the contents of a file + # + def file(filename, options={}) + if filename.is_a? Symbol + filename = [filename, @node.name] + end + filepath = Path.find_file(filename) + if filepath + if filepath =~ /\.erb$/ + ERB.new(File.read(filepath, :encoding => 'UTF-8'), nil, '%<>').result(binding) + else + File.read(filepath, :encoding => 'UTF-8') + end + else + raise FileMissing.new(Path.named_path(filename), options) + "" + end + end + + # + # like #file, but allow missing files + # + def try_file(filename) + return file(filename) + rescue FileMissing + return nil + end + + # + # returns what the file path will be, once the file is rsynced to the server. + # an internal list of discovered file paths is saved, in order to rsync these files when needed. + # + # notes: + # + # * argument 'path' is relative to Path.provider/files or Path.provider_base/files + # * the path returned by this method is absolute + # * the path stored for use later by rsync is relative to Path.provider + # * if the path does not exist locally, but exists in provider_base, then the default file from + # provider_base is copied locally. this is required for rsync to work correctly. + # + def file_path(path, options={}) + if path.is_a? Symbol + path = [path, @node.name] + elsif path.is_a? String + # ensure it prefixed with files/ + unless path =~ /^files\// + path = "files/" + path + end + end + actual_path = Path.find_file(path) + if actual_path.nil? + if options[:missing] + raise FileMissing.new(Path.named_path(path), options) + else + Util::log 2, :skipping, "file_path(\"#{path}\") because there is no such file." + end + nil + else + if actual_path =~ /^#{Regexp.escape(Path.provider_base)}/ + # if file is under Path.provider_base, we must copy the default file to + # to Path.provider in order for rsync to be able to sync the file. + local_provider_path = actual_path.sub(/^#{Regexp.escape(Path.provider_base)}/, Path.provider) + FileUtils.mkdir_p File.dirname(local_provider_path), :mode => 0700 + FileUtils.install actual_path, local_provider_path, :mode => 0600 + Util.log :created, Path.relative_path(local_provider_path) + actual_path = local_provider_path + end + if File.directory?(actual_path) && actual_path !~ /\/$/ + actual_path += '/' # ensure directories end with /, important for building rsync command + end + relative_path = Path.relative_path(actual_path) + relative_path.sub!(/^files\//, '') # remove "files/" prefix + @node.file_paths << relative_path + File.join(Leap::Platform.files_dir, relative_path) + end + end + + end +end
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