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-rw-r--r--lib/leap_cli/macros/files.rb89
1 files changed, 89 insertions, 0 deletions
diff --git a/lib/leap_cli/macros/files.rb b/lib/leap_cli/macros/files.rb
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+# 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 \ No newline at end of file